/*
 * Utility functions for the WineD3D Library
 *
 * Copyright 2002-2004 Jason Edmeades
 * Copyright 2003-2004 Raphael Junqueira
 * Copyright 2004 Christian Costa
 * Copyright 2005 Oliver Stieber
 * Copyright 2006-2008 Henri Verbeet
 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
 * Copyright 2009 Henri Verbeet for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"
#include "wined3d_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d);

struct StaticPixelFormatDesc
{
    WINED3DFORMAT format;
    DWORD alphaMask, redMask, greenMask, blueMask;
    UINT bpp;
    short depthSize, stencilSize;
};

/*****************************************************************************
 * Pixel format array
 *
 * For the formats WINED3DFMT_A32B32G32R32F, WINED3DFMT_A16B16G16R16F,
 * and WINED3DFMT_A16B16G16R16 do not have correct alpha masks, because the
 * high masks do not fit into the 32 bit values needed for ddraw. It is only
 * used for ddraw mostly, and to figure out if the format has alpha at all, so
 * setting a mask like 0x1 for those surfaces is correct. The 64 and 128 bit
 * formats are not usable in 2D rendering because ddraw doesn't support them.
 */
static const struct StaticPixelFormatDesc formats[] =
{
  /* WINED3DFORMAT                       alphamask    redmask    greenmask    bluemask     bpp    depth  stencil */
    {WINED3DFMT_UNKNOWN,                    0x0,        0x0,        0x0,        0x0,        0,      0,      0},
    /* FourCC formats */
    {WINED3DFMT_UYVY,                       0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_YUY2,                       0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_YV12,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_DXT1,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_DXT2,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_DXT3,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_DXT4,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_DXT5,                       0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_MULTI2_ARGB8,               0x0,        0x0,        0x0,        0x0,        1/*?*/, 0,      0},
    {WINED3DFMT_G8R8_G8B8,                  0x0,        0x0,        0x0,        0x0,        1/*?*/, 0,      0},
    {WINED3DFMT_R8G8_B8G8,                  0x0,        0x0,        0x0,        0x0,        1/*?*/, 0,      0},
    /* IEEE formats */
    {WINED3DFMT_R32_FLOAT,                  0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R32G32_FLOAT,               0x0,        0x0,        0x0,        0x0,        8,      0,      0},
    {WINED3DFMT_R32G32B32_FLOAT,            0x0,        0x0,        0x0,        0x0,        12,     0,      0},
    {WINED3DFMT_R32G32B32A32_FLOAT,         0x1,        0x0,        0x0,        0x0,        16,     0,      0},
    /* Hmm? */
    {WINED3DFMT_R8G8_SNORM_Cx,              0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    /* Float */
    {WINED3DFMT_R16_FLOAT,                  0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_R16G16_FLOAT,               0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R16G16_SINT,                0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R16G16B16A16_FLOAT,         0x1,        0x0,        0x0,        0x0,        8,      0,      0},
    {WINED3DFMT_R16G16B16A16_SINT,          0x1,        0x0,        0x0,        0x0,        8,      0,      0},
    /* Palettized formats */
    {WINED3DFMT_P8_UINT_A8_UNORM,           0x0000ff00, 0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_P8_UINT,                    0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    /* Standard ARGB formats. */
    {WINED3DFMT_B8G8R8_UNORM,               0x0,        0x00ff0000, 0x0000ff00, 0x000000ff, 3,      0,      0},
    {WINED3DFMT_B8G8R8A8_UNORM,             0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff, 4,      0,      0},
    {WINED3DFMT_B8G8R8X8_UNORM,             0x0,        0x00ff0000, 0x0000ff00, 0x000000ff, 4,      0,      0},
    {WINED3DFMT_B5G6R5_UNORM,               0x0,        0x0000f800, 0x000007e0, 0x0000001f, 2,      0,      0},
    {WINED3DFMT_B5G5R5X1_UNORM,             0x0,        0x00007c00, 0x000003e0, 0x0000001f, 2,      0,      0},
    {WINED3DFMT_B5G5R5A1_UNORM,             0x00008000, 0x00007c00, 0x000003e0, 0x0000001f, 2,      0,      0},
    {WINED3DFMT_B4G4R4A4_UNORM,             0x0000f000, 0x00000f00, 0x000000f0, 0x0000000f, 2,      0,      0},
    {WINED3DFMT_B2G3R3_UNORM,               0x0,        0x000000e0, 0x0000001c, 0x00000003, 1,      0,      0},
    {WINED3DFMT_A8_UNORM,                   0x000000ff, 0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_B2G3R3A8_UNORM,             0x0000ff00, 0x000000e0, 0x0000001c, 0x00000003, 2,      0,      0},
    {WINED3DFMT_B4G4R4X4_UNORM,             0x0,        0x00000f00, 0x000000f0, 0x0000000f, 2,      0,      0},
    {WINED3DFMT_R10G10B10A2_UNORM,          0xc0000000, 0x000003ff, 0x000ffc00, 0x3ff00000, 4,      0,      0},
    {WINED3DFMT_R10G10B10A2_UINT,           0xc0000000, 0x000003ff, 0x000ffc00, 0x3ff00000, 4,      0,      0},
    {WINED3DFMT_R10G10B10A2_SNORM,          0xc0000000, 0x000003ff, 0x000ffc00, 0x3ff00000, 4,      0,      0},
    {WINED3DFMT_R8G8B8A8_UNORM,             0xff000000, 0x000000ff, 0x0000ff00, 0x00ff0000, 4,      0,      0},
    {WINED3DFMT_R8G8B8A8_UINT,              0xff000000, 0x000000ff, 0x0000ff00, 0x00ff0000, 4,      0,      0},
    {WINED3DFMT_R8G8B8X8_UNORM,             0x0,        0x000000ff, 0x0000ff00, 0x00ff0000, 4,      0,      0},
    {WINED3DFMT_R16G16_UNORM,               0x0,        0x0000ffff, 0xffff0000, 0x0,        4,      0,      0},
    {WINED3DFMT_B10G10R10A2_UNORM,          0xc0000000, 0x3ff00000, 0x000ffc00, 0x000003ff, 4,      0,      0},
    {WINED3DFMT_R16G16B16A16_UNORM,         0x1,        0x0000ffff, 0xffff0000, 0x0,        8,      0,      0},
    /* Luminance */
    {WINED3DFMT_L8_UNORM,                   0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_L8A8_UNORM,                 0x0000ff00, 0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_L4A4_UNORM,                 0x000000f0, 0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_L16_UNORM,                  0x0,        0x0,        0x0,        0x0,        2,      16,     0},
    /* Bump mapping stuff */
    {WINED3DFMT_R8G8_SNORM,                 0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_R5G5_SNORM_L6_UNORM,        0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_R8G8_SNORM_L8X8_UNORM,      0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R8G8B8A8_SNORM,             0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R16G16_SNORM,               0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R10G11B11_SNORM,            0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R10G10B10_SNORM_A2_UNORM,   0xb0000000, 0x0,        0x0,        0x0,        4,      0,      0},
    /* Depth stencil formats */
    {WINED3DFMT_D16_LOCKABLE,               0x0,        0x0,        0x0,        0x0,        2,      16,     0},
    {WINED3DFMT_D32_UNORM,                  0x0,        0x0,        0x0,        0x0,        4,      32,     0},
    {WINED3DFMT_S1_UINT_D15_UNORM,          0x0,        0x0,        0x0,        0x0,        2,      15,     1},
    {WINED3DFMT_D24_UNORM_S8_UINT,          0x0,        0x0,        0x0,        0x0,        4,      24,     8},
    {WINED3DFMT_X8D24_UNORM,                0x0,        0x0,        0x0,        0x0,        4,      24,     0},
    {WINED3DFMT_S4X4_UINT_D24_UNORM,        0x0,        0x0,        0x0,        0x0,        4,      24,     4},
    {WINED3DFMT_D16_UNORM,                  0x0,        0x0,        0x0,        0x0,        2,      16,     0},
    {WINED3DFMT_D32_FLOAT,                  0x0,        0x0,        0x0,        0x0,        4,      32,     0},
    {WINED3DFMT_S8_UINT_D24_FLOAT,          0x0,        0x0,        0x0,        0x0,        4,      24,     8},
    {WINED3DFMT_VERTEXDATA,                 0x0,        0x0,        0x0,        0x0,        0,      0,      0},
    {WINED3DFMT_R16_UINT,                   0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_R32_UINT,                   0x0,        0x0,        0x0,        0x0,        4,      0,      0},
    {WINED3DFMT_R16G16B16A16_SNORM,         0x0,        0x0,        0x0,        0x0,        8,      0,      0},
    /* Vendor-specific formats */
    {WINED3DFMT_ATI2N,                      0x0,        0x0,        0x0,        0x0,        1,      0,      0},
    {WINED3DFMT_NVHU,                       0x0,        0x0,        0x0,        0x0,        2,      0,      0},
    {WINED3DFMT_NVHS,                       0x0,        0x0,        0x0,        0x0,        2,      0,      0},
};

struct wined3d_format_base_flags
{
    WINED3DFORMAT format;
    DWORD flags;
};

static const struct wined3d_format_base_flags format_base_flags[] =
{
    {WINED3DFMT_UYVY,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_YUY2,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_YV12,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_DXT1,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_DXT2,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_DXT3,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_DXT4,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_DXT5,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_MULTI2_ARGB8,       WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_G8R8_G8B8,          WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_R8G8_B8G8,          WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_P8_UINT,            WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B8G8R8_UNORM,       WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B8G8R8A8_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B8G8R8X8_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B5G6R5_UNORM,       WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B5G5R5X1_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B5G5R5A1_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B4G4R4A4_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_B4G4R4X4_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_R8G8B8A8_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_R8G8B8X8_UNORM,     WINED3DFMT_FLAG_GETDC},
    {WINED3DFMT_ATI2N,              WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_NVHU,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_NVHS,               WINED3DFMT_FLAG_FOURCC},
    {WINED3DFMT_R32_FLOAT,          WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R32G32_FLOAT,       WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R32G32B32_FLOAT,    WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R32G32B32A32_FLOAT, WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R16_FLOAT,          WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R16G16_FLOAT,       WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_R16G16B16A16_FLOAT, WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_D32_FLOAT,          WINED3DFMT_FLAG_FLOAT},
    {WINED3DFMT_S8_UINT_D24_FLOAT,  WINED3DFMT_FLAG_FLOAT},
};

struct wined3d_format_compression_info
{
    WINED3DFORMAT format;
    UINT block_width;
    UINT block_height;
    UINT block_byte_count;
};

static const struct wined3d_format_compression_info format_compression_info[] =
{
    {WINED3DFMT_DXT1,   4,  4,  8},
    {WINED3DFMT_DXT2,   4,  4,  16},
    {WINED3DFMT_DXT3,   4,  4,  16},
    {WINED3DFMT_DXT4,   4,  4,  16},
    {WINED3DFMT_DXT5,   4,  4,  16},
    {WINED3DFMT_ATI2N,  1,  1,  1},
};

struct wined3d_format_vertex_info
{
    WINED3DFORMAT format;
    enum wined3d_ffp_emit_idx emit_idx;
    GLint component_count;
    GLenum gl_vtx_type;
    GLint gl_vtx_format;
    GLboolean gl_normalized;
    unsigned int component_size;
};

static const struct wined3d_format_vertex_info format_vertex_info[] =
{
    {WINED3DFMT_R32_FLOAT,          WINED3D_FFP_EMIT_FLOAT1,    1, GL_FLOAT,          1, GL_FALSE, sizeof(float)},
    {WINED3DFMT_R32G32_FLOAT,       WINED3D_FFP_EMIT_FLOAT2,    2, GL_FLOAT,          2, GL_FALSE, sizeof(float)},
    {WINED3DFMT_R32G32B32_FLOAT,    WINED3D_FFP_EMIT_FLOAT3,    3, GL_FLOAT,          3, GL_FALSE, sizeof(float)},
    {WINED3DFMT_R32G32B32A32_FLOAT, WINED3D_FFP_EMIT_FLOAT4,    4, GL_FLOAT,          4, GL_FALSE, sizeof(float)},
    {WINED3DFMT_B8G8R8A8_UNORM,     WINED3D_FFP_EMIT_D3DCOLOR,  4, GL_UNSIGNED_BYTE,  4, GL_TRUE,  sizeof(BYTE)},
    {WINED3DFMT_R8G8B8A8_UINT,      WINED3D_FFP_EMIT_UBYTE4,    4, GL_UNSIGNED_BYTE,  4, GL_FALSE, sizeof(BYTE)},
    {WINED3DFMT_R16G16_SINT,        WINED3D_FFP_EMIT_SHORT2,    2, GL_SHORT,          2, GL_FALSE, sizeof(short int)},
    {WINED3DFMT_R16G16B16A16_SINT,  WINED3D_FFP_EMIT_SHORT4,    4, GL_SHORT,          4, GL_FALSE, sizeof(short int)},
    {WINED3DFMT_R8G8B8A8_UNORM,     WINED3D_FFP_EMIT_UBYTE4N,   4, GL_UNSIGNED_BYTE,  4, GL_TRUE,  sizeof(BYTE)},
    {WINED3DFMT_R16G16_SNORM,       WINED3D_FFP_EMIT_SHORT2N,   2, GL_SHORT,          2, GL_TRUE,  sizeof(short int)},
    {WINED3DFMT_R16G16B16A16_SNORM, WINED3D_FFP_EMIT_SHORT4N,   4, GL_SHORT,          4, GL_TRUE,  sizeof(short int)},
    {WINED3DFMT_R16G16_UNORM,       WINED3D_FFP_EMIT_USHORT2N,  2, GL_UNSIGNED_SHORT, 2, GL_TRUE,  sizeof(short int)},
    {WINED3DFMT_R16G16B16A16_UNORM, WINED3D_FFP_EMIT_USHORT4N,  4, GL_UNSIGNED_SHORT, 4, GL_TRUE,  sizeof(short int)},
    {WINED3DFMT_R10G10B10A2_UINT,   WINED3D_FFP_EMIT_UDEC3,     3, GL_UNSIGNED_SHORT, 3, GL_FALSE, sizeof(short int)},
    {WINED3DFMT_R10G10B10A2_SNORM,  WINED3D_FFP_EMIT_DEC3N,     3, GL_SHORT,          3, GL_TRUE,  sizeof(short int)},
    {WINED3DFMT_R16G16_FLOAT,       WINED3D_FFP_EMIT_FLOAT16_2, 2, GL_FLOAT,          2, GL_FALSE, sizeof(GLhalfNV)},
    {WINED3DFMT_R16G16B16A16_FLOAT, WINED3D_FFP_EMIT_FLOAT16_4, 4, GL_FLOAT,          4, GL_FALSE, sizeof(GLhalfNV)}
};

struct wined3d_format_texture_info
{
    WINED3DFORMAT format;
    GLint gl_internal;
    GLint gl_srgb_internal;
    GLint gl_rt_internal;
    GLint gl_format;
    GLint gl_type;
    unsigned int conv_byte_count;
    unsigned int flags;
    GL_SupportedExt extension;
    void (*convert)(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height);
};

static void convert_l4a4_unorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    /* WINED3DFMT_L4A4_UNORM exists as an internal gl format, but for some reason there is not
     * format+type combination to load it. Thus convert it to A8L8, then load it
     * with A4L4 internal, but A8L8 format+type
     */
    unsigned int x, y;
    const unsigned char *Source;
    unsigned char *Dest;
    UINT outpitch = pitch * 2;

    for(y = 0; y < height; y++) {
        Source = src + y * pitch;
        Dest = dst + y * outpitch;
        for (x = 0; x < width; x++ ) {
            unsigned char color = (*Source++);
            /* A */ Dest[1] = (color & 0xf0) << 0;
            /* L */ Dest[0] = (color & 0x0f) << 4;
            Dest += 2;
        }
    }
}

static void convert_r5g5_snorm_l6_unorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const WORD *Source;

    for(y = 0; y < height; y++)
    {
        unsigned short *Dest_s = (unsigned short *) (dst + y * pitch);
        Source = (const WORD *)(src + y * pitch);
        for (x = 0; x < width; x++ )
        {
            short color = (*Source++);
            unsigned char l = ((color >> 10) & 0xfc);
                    short v = ((color >>  5) & 0x3e);
                    short u = ((color      ) & 0x1f);
            short v_conv = v + 16;
            short u_conv = u + 16;

            *Dest_s = ((v_conv << 11) & 0xf800) | ((l << 5) & 0x7e0) | (u_conv & 0x1f);
            Dest_s += 1;
        }
    }
}

static void convert_r5g5_snorm_l6_unorm_nv(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const WORD *Source;
    unsigned char *Dest;
    UINT outpitch = (pitch * 3)/2;

    /* This makes the gl surface bigger(24 bit instead of 16), but it works with
     * fixed function and shaders without further conversion once the surface is
     * loaded
     */
    for(y = 0; y < height; y++) {
        Source = (const WORD *)(src + y * pitch);
        Dest = dst + y * outpitch;
        for (x = 0; x < width; x++ ) {
            short color = (*Source++);
            unsigned char l = ((color >> 10) & 0xfc);
                     char v = ((color >>  5) & 0x3e);
                     char u = ((color      ) & 0x1f);

            /* 8 bits destination, 6 bits source, 8th bit is the sign. gl ignores the sign
             * and doubles the positive range. Thus shift left only once, gl does the 2nd
             * shift. GL reads a signed value and converts it into an unsigned value.
             */
            /* M */ Dest[2] = l << 1;

            /* Those are read as signed, but kept signed. Just left-shift 3 times to scale
             * from 5 bit values to 8 bit values.
             */
            /* V */ Dest[1] = v << 3;
            /* U */ Dest[0] = u << 3;
            Dest += 3;
        }
    }
}

static void convert_r8g8_snorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const short *Source;
    unsigned char *Dest;
    UINT outpitch = (pitch * 3)/2;

    for(y = 0; y < height; y++)
    {
        Source = (const short *)(src + y * pitch);
        Dest = dst + y * outpitch;
        for (x = 0; x < width; x++ )
        {
            LONG color = (*Source++);
            /* B */ Dest[0] = 0xff;
            /* G */ Dest[1] = (color >> 8) + 128; /* V */
            /* R */ Dest[2] = (color) + 128;      /* U */
            Dest += 3;
        }
    }
}

static void convert_r8g8_snorm_l8x8_unorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const DWORD *Source;
    unsigned char *Dest;

    /* Doesn't work correctly with the fixed function pipeline, but can work in
     * shaders if the shader is adjusted. (There's no use for this format in gl's
     * standard fixed function pipeline anyway).
     */
    for(y = 0; y < height; y++)
    {
        Source = (const DWORD *)(src + y * pitch);
        Dest = dst + y * pitch;
        for (x = 0; x < width; x++ )
        {
            LONG color = (*Source++);
            /* B */ Dest[0] = ((color >> 16) & 0xff);       /* L */
            /* G */ Dest[1] = ((color >> 8 ) & 0xff) + 128; /* V */
            /* R */ Dest[2] = (color         & 0xff) + 128; /* U */
            Dest += 4;
        }
    }
}

static void convert_r8g8_snorm_l8x8_unorm_nv(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const DWORD *Source;
    unsigned char *Dest;

    /* This implementation works with the fixed function pipeline and shaders
     * without further modification after converting the surface.
     */
    for(y = 0; y < height; y++)
    {
        Source = (const DWORD *)(src + y * pitch);
        Dest = dst + y * pitch;
        for (x = 0; x < width; x++ )
        {
            LONG color = (*Source++);
            /* L */ Dest[2] = ((color >> 16) & 0xff);   /* L */
            /* V */ Dest[1] = ((color >> 8 ) & 0xff);   /* V */
            /* U */ Dest[0] = (color         & 0xff);   /* U */
            /* I */ Dest[3] = 255;                      /* X */
            Dest += 4;
        }
    }
}

static void convert_r8g8b8a8_snorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const DWORD *Source;
    unsigned char *Dest;

    for(y = 0; y < height; y++)
    {
        Source = (const DWORD *)(src + y * pitch);
        Dest = dst + y * pitch;
        for (x = 0; x < width; x++ )
        {
            LONG color = (*Source++);
            /* B */ Dest[0] = ((color >> 16) & 0xff) + 128; /* W */
            /* G */ Dest[1] = ((color >> 8 ) & 0xff) + 128; /* V */
            /* R */ Dest[2] = (color         & 0xff) + 128; /* U */
            /* A */ Dest[3] = ((color >> 24) & 0xff) + 128; /* Q */
            Dest += 4;
        }
    }
}

static void convert_r16g16_snorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const DWORD *Source;
    unsigned short *Dest;
    UINT outpitch = (pitch * 3)/2;

    for(y = 0; y < height; y++)
    {
        Source = (const DWORD *)(src + y * pitch);
        Dest = (unsigned short *) (dst + y * outpitch);
        for (x = 0; x < width; x++ )
        {
            DWORD color = (*Source++);
            /* B */ Dest[0] = 0xffff;
            /* G */ Dest[1] = (color >> 16) + 32768; /* V */
            /* R */ Dest[2] = (color      ) + 32768; /* U */
            Dest += 3;
        }
    }
}

static void convert_r16g16(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const WORD *Source;
    WORD *Dest;
    UINT outpitch = (pitch * 3)/2;

    for(y = 0; y < height; y++)
    {
        Source = (const WORD *)(src + y * pitch);
        Dest = (WORD *) (dst + y * outpitch);
        for (x = 0; x < width; x++ )
        {
            WORD green = (*Source++);
            WORD red = (*Source++);
            Dest[0] = green;
            Dest[1] = red;
            /* Strictly speaking not correct for R16G16F, but it doesn't matter because the
             * shader overwrites it anyway
             */
            Dest[2] = 0xffff;
            Dest += 3;
        }
    }
}

static void convert_r32g32_float(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    const float *Source;
    float *Dest;
    UINT outpitch = (pitch * 3)/2;

    for(y = 0; y < height; y++)
    {
        Source = (const float *)(src + y * pitch);
        Dest = (float *) (dst + y * outpitch);
        for (x = 0; x < width; x++ )
        {
            float green = (*Source++);
            float red = (*Source++);
            Dest[0] = green;
            Dest[1] = red;
            Dest[2] = 1.0f;
            Dest += 3;
        }
    }
}

static void convert_s1_uint_d15_unorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    UINT outpitch = pitch * 2;

    for (y = 0; y < height; ++y)
    {
        const WORD *source = (const WORD *)(src + y * pitch);
        DWORD *dest = (DWORD *)(dst + y * outpitch);

        for (x = 0; x < width; ++x)
        {
            /* The depth data is normalized, so needs to be scaled,
             * the stencil data isn't.  Scale depth data by
             *      (2^24-1)/(2^15-1) ~~ (2^9 + 2^-6). */
            WORD d15 = source[x] >> 1;
            DWORD d24 = (d15 << 9) + (d15 >> 6);
            dest[x] = (d24 << 8) | (source[x] & 0x1);
        }
    }
}

static void convert_s4x4_uint_d24_unorm(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;

    for (y = 0; y < height; ++y)
    {
        const DWORD *source = (const DWORD *)(src + y * pitch);
        DWORD *dest = (DWORD *)(dst + y * pitch);

        for (x = 0; x < width; ++x)
        {
            /* Just need to clear out the X4 part. */
            dest[x] = source[x] & ~0xf0;
        }
    }
}

static void convert_s8_uint_d24_float(const BYTE *src, BYTE *dst, UINT pitch, UINT width, UINT height)
{
    unsigned int x, y;
    UINT outpitch = pitch * 2;

    for (y = 0; y < height; ++y)
    {
        const DWORD *source = (const DWORD *)(src + y * pitch);
        float *dest_f = (float *)(dst + y * outpitch);
        DWORD *dest_s = (DWORD *)(dst + y * outpitch);

        for (x = 0; x < width; ++x)
        {
            dest_f[x * 2] = float_24_to_32((source[x] & 0xffffff00) >> 8);
            dest_s[x * 2 + 1] = source[x] & 0xff;
        }
    }
}

static const struct wined3d_format_texture_info format_texture_info[] =
{
    /* WINED3DFORMAT                    internal                          srgbInternal                       rtInternal
            format                      type
            flags
            extension */
    /* FourCC formats */
    /* GL_APPLE_ycbcr_422 claims that its '2YUV' format, which is supported via the UNSIGNED_SHORT_8_8_REV_APPLE type
     * is equivalent to 'UYVY' format on Windows, and the 'YUVS' via UNSIGNED_SHORT_8_8_APPLE equates to 'YUY2'. The
     * d3d9 test however shows that the opposite is true. Since the extension is from 2002, it predates the x86 based
     * Macs, so probably the endianess differs. This could be tested as soon as we have a Windows and MacOS on a big
     * endian machine
     */
    {WINED3DFMT_UYVY,                   GL_LUMINANCE_ALPHA,               GL_LUMINANCE_ALPHA,                     0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_UYVY,                   GL_RGB,                           GL_RGB,                                 0,
            GL_YCBCR_422_APPLE,         UNSIGNED_SHORT_8_8_APPLE,         0,
            WINED3DFMT_FLAG_FILTERING,
            APPLE_YCBCR_422,            NULL},
    {WINED3DFMT_YUY2,                   GL_LUMINANCE_ALPHA,               GL_LUMINANCE_ALPHA,                     0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_YUY2,                   GL_RGB,                           GL_RGB,                                 0,
            GL_YCBCR_422_APPLE,         UNSIGNED_SHORT_8_8_REV_APPLE,     0,
            WINED3DFMT_FLAG_FILTERING,
            APPLE_YCBCR_422,            NULL},
    {WINED3DFMT_YV12,                   GL_ALPHA,                         GL_ALPHA,                               0,
            GL_ALPHA,                   GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_DXT1,                   GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0,
            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
    {WINED3DFMT_DXT2,                   GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0,
            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
    {WINED3DFMT_DXT3,                   GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0,
            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
    {WINED3DFMT_DXT4,                   GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0,
            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
    {WINED3DFMT_DXT5,                   GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0,
            GL_RGBA,                    GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            EXT_TEXTURE_COMPRESSION_S3TC, NULL},
    /* IEEE formats */
    {WINED3DFMT_R32_FLOAT,              GL_RGB32F_ARB,                    GL_RGB32F_ARB,                          0,
            GL_RED,                     GL_FLOAT,                         0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_FLOAT,          NULL},
    {WINED3DFMT_R32_FLOAT,              GL_R32F,                          GL_R32F,                                0,
            GL_RED,                     GL_FLOAT,                         0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_RG,             NULL},
    {WINED3DFMT_R32G32_FLOAT,           GL_RGB32F_ARB,                    GL_RGB32F_ARB,                          0,
            GL_RGB,                     GL_FLOAT,                         12,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_FLOAT,          &convert_r32g32_float},
    {WINED3DFMT_R32G32_FLOAT,           GL_RG32F,                         GL_RG32F,                               0,
            GL_RG,                      GL_FLOAT,                         0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_RG,             NULL},
    {WINED3DFMT_R32G32B32A32_FLOAT,     GL_RGBA32F_ARB,                   GL_RGBA32F_ARB,                         0,
            GL_RGBA,                    GL_FLOAT,                         0,
            WINED3DFMT_FLAG_RENDERTARGET | WINED3DFMT_FLAG_VTF,
            ARB_TEXTURE_FLOAT,          NULL},
    /* Float */
    {WINED3DFMT_R16_FLOAT,              GL_RGB16F_ARB,                    GL_RGB16F_ARB,                          0,
            GL_RED,                     GL_HALF_FLOAT_ARB,                0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_FLOAT,          NULL},
    {WINED3DFMT_R16_FLOAT,              GL_R16F,                          GL_R16F,                                0,
            GL_RED,                     GL_HALF_FLOAT_ARB,                0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_RG,             NULL},
    {WINED3DFMT_R16G16_FLOAT,           GL_RGB16F_ARB,                    GL_RGB16F_ARB,                          0,
            GL_RGB,                     GL_HALF_FLOAT_ARB,                6,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_FLOAT,          &convert_r16g16},
    {WINED3DFMT_R16G16_FLOAT,           GL_RG16F,                         GL_RG16F,                               0,
            GL_RG,                      GL_HALF_FLOAT_ARB,                0,
            WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_RG,             NULL},
    {WINED3DFMT_R16G16B16A16_FLOAT,     GL_RGBA16F_ARB,                   GL_RGBA16F_ARB,                         0,
            GL_RGBA,                    GL_HALF_FLOAT_ARB,                0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_RENDERTARGET,
            ARB_TEXTURE_FLOAT,          NULL},
    /* Palettized formats */
    {WINED3DFMT_P8_UINT,                GL_RGBA,                          GL_RGBA,                                0,
            GL_ALPHA,                   GL_UNSIGNED_BYTE,                 0,
            0,
            ARB_FRAGMENT_PROGRAM,       NULL},
    {WINED3DFMT_P8_UINT,                GL_COLOR_INDEX8_EXT,              GL_COLOR_INDEX8_EXT,                    0,
            GL_COLOR_INDEX,             GL_UNSIGNED_BYTE,                 0,
            0,
            EXT_PALETTED_TEXTURE,       NULL},
    /* Standard ARGB formats */
    {WINED3DFMT_B8G8R8_UNORM,           GL_RGB8,                          GL_RGB8,                                0,
            GL_BGR,                     GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_RENDERTARGET,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B8G8R8A8_UNORM,         GL_RGBA8,                         GL_SRGB8_ALPHA8_EXT,                    0,
            GL_BGRA,                    GL_UNSIGNED_INT_8_8_8_8_REV,      0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_RENDERTARGET
            | WINED3DFMT_FLAG_SRGB_READ | WINED3DFMT_FLAG_SRGB_WRITE,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B8G8R8X8_UNORM,         GL_RGB8,                          GL_SRGB8_EXT,                           0,
            GL_BGRA,                    GL_UNSIGNED_INT_8_8_8_8_REV,      0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_RENDERTARGET
            | WINED3DFMT_FLAG_SRGB_READ | WINED3DFMT_FLAG_SRGB_WRITE,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B5G6R5_UNORM,           GL_RGB5,                          GL_RGB5,                          GL_RGB8,
            GL_RGB,                     GL_UNSIGNED_SHORT_5_6_5,          0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_RENDERTARGET,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B5G5R5X1_UNORM,         GL_RGB5,                          GL_RGB5_A1,                             0,
            GL_BGRA,                    GL_UNSIGNED_SHORT_1_5_5_5_REV,    0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B5G5R5A1_UNORM,         GL_RGB5_A1,                       GL_RGB5_A1,                             0,
            GL_BGRA,                    GL_UNSIGNED_SHORT_1_5_5_5_REV,    0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B4G4R4A4_UNORM,         GL_RGBA4,                         GL_SRGB8_ALPHA8_EXT,                    0,
            GL_BGRA,                    GL_UNSIGNED_SHORT_4_4_4_4_REV,    0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B2G3R3_UNORM,           GL_R3_G3_B2,                      GL_R3_G3_B2,                            0,
            GL_RGB,                     GL_UNSIGNED_BYTE_3_3_2,           0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_A8_UNORM,               GL_ALPHA8,                        GL_ALPHA8,                              0,
            GL_ALPHA,                   GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_B4G4R4X4_UNORM,         GL_RGB4,                          GL_RGB4,                                0,
            GL_BGRA,                    GL_UNSIGNED_SHORT_4_4_4_4_REV,    0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_R10G10B10A2_UNORM,      GL_RGB10_A2,                      GL_RGB10_A2,                            0,
            GL_RGBA,                    GL_UNSIGNED_INT_2_10_10_10_REV,   0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_R8G8B8A8_UNORM,         GL_RGBA8,                         GL_RGBA8,                               0,
            GL_RGBA,                    GL_UNSIGNED_INT_8_8_8_8_REV,      0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_R8G8B8X8_UNORM,         GL_RGB8,                          GL_RGB8,                                0,
            GL_RGBA,                    GL_UNSIGNED_INT_8_8_8_8_REV,      0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_R16G16_UNORM,           GL_RGB16,                         GL_RGB16,                       GL_RGBA16,
            GL_RGB,                     GL_UNSIGNED_SHORT,                6,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        &convert_r16g16},
    {WINED3DFMT_B10G10R10A2_UNORM,      GL_RGB10_A2,                      GL_RGB10_A2,                            0,
            GL_BGRA,                    GL_UNSIGNED_INT_2_10_10_10_REV,   0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_R16G16B16A16_UNORM,     GL_RGBA16,                        GL_RGBA16,                              0,
            GL_RGBA,                    GL_UNSIGNED_SHORT,                0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_RENDERTARGET,
            WINED3D_GL_EXT_NONE,        NULL},
    /* Luminance */
    {WINED3DFMT_L8_UNORM,               GL_LUMINANCE8,                    GL_SLUMINANCE8_EXT,                     0,
            GL_LUMINANCE,               GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_L8A8_UNORM,             GL_LUMINANCE8_ALPHA8,             GL_SLUMINANCE8_ALPHA8_EXT,              0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_SRGB_READ,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_L4A4_UNORM,             GL_LUMINANCE4_ALPHA4,             GL_LUMINANCE4_ALPHA4,                   0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 2,
            0,
            WINED3D_GL_EXT_NONE,        &convert_l4a4_unorm},
    /* Bump mapping stuff */
    {WINED3DFMT_R8G8_SNORM,             GL_RGB8,                          GL_RGB8,                                0,
            GL_BGR,                     GL_UNSIGNED_BYTE,                 3,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            WINED3D_GL_EXT_NONE,        &convert_r8g8_snorm},
    {WINED3DFMT_R8G8_SNORM,             GL_DSDT8_NV,                      GL_DSDT8_NV,                            0,
            GL_DSDT_NV,                 GL_BYTE,                          0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            NV_TEXTURE_SHADER,          NULL},
    {WINED3DFMT_R5G5_SNORM_L6_UNORM,    GL_RGB5,                          GL_RGB5,                                0,
            GL_RGB,                     GL_UNSIGNED_SHORT_5_6_5,          2,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            WINED3D_GL_EXT_NONE,        &convert_r5g5_snorm_l6_unorm},
    {WINED3DFMT_R5G5_SNORM_L6_UNORM,    GL_DSDT8_MAG8_NV,                 GL_DSDT8_MAG8_NV,                       0,
            GL_DSDT_MAG_NV,             GL_BYTE,                          3,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            NV_TEXTURE_SHADER,          &convert_r5g5_snorm_l6_unorm_nv},
    {WINED3DFMT_R8G8_SNORM_L8X8_UNORM,  GL_RGB8,                          GL_RGB8,                                0,
            GL_BGRA,                    GL_UNSIGNED_INT_8_8_8_8_REV,      4,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            WINED3D_GL_EXT_NONE,        &convert_r8g8_snorm_l8x8_unorm},
    {WINED3DFMT_R8G8_SNORM_L8X8_UNORM,  GL_DSDT8_MAG8_INTENSITY8_NV,      GL_DSDT8_MAG8_INTENSITY8_NV,            0,
            GL_DSDT_MAG_VIB_NV,         GL_UNSIGNED_INT_8_8_S8_S8_REV_NV, 4,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            NV_TEXTURE_SHADER,          &convert_r8g8_snorm_l8x8_unorm_nv},
    {WINED3DFMT_R8G8B8A8_SNORM,         GL_RGBA8,                         GL_RGBA8,                               0,
            GL_BGRA,                    GL_UNSIGNED_BYTE,                 4,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            WINED3D_GL_EXT_NONE,        &convert_r8g8b8a8_snorm},
    {WINED3DFMT_R8G8B8A8_SNORM,         GL_SIGNED_RGBA8_NV,               GL_SIGNED_RGBA8_NV,                     0,
            GL_RGBA,                    GL_BYTE,                          0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            NV_TEXTURE_SHADER,          NULL},
    {WINED3DFMT_R16G16_SNORM,           GL_RGB16,                         GL_RGB16,                               0,
            GL_BGR,                     GL_UNSIGNED_SHORT,                6,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            WINED3D_GL_EXT_NONE,        &convert_r16g16_snorm},
    {WINED3DFMT_R16G16_SNORM,           GL_SIGNED_HILO16_NV,              GL_SIGNED_HILO16_NV,                    0,
            GL_HILO_NV,                 GL_SHORT,                         0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_BUMPMAP,
            NV_TEXTURE_SHADER,          NULL},
    /* Depth stencil formats */
    {WINED3DFMT_D16_LOCKABLE,           GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_SHORT,                0,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_D32_UNORM,              GL_DEPTH_COMPONENT32_ARB,         GL_DEPTH_COMPONENT32_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_S1_UINT_D15_UNORM,      GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_SHORT,                0,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_S1_UINT_D15_UNORM,      GL_DEPTH24_STENCIL8_EXT,          GL_DEPTH24_STENCIL8_EXT,                0,
            GL_DEPTH_STENCIL_EXT,       GL_UNSIGNED_INT_24_8_EXT,         4,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            EXT_PACKED_DEPTH_STENCIL,   &convert_s1_uint_d15_unorm},
    {WINED3DFMT_S1_UINT_D15_UNORM,      GL_DEPTH24_STENCIL8,              GL_DEPTH24_STENCIL8,                    0,
            GL_DEPTH_STENCIL,           GL_UNSIGNED_INT_24_8,             4,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            ARB_FRAMEBUFFER_OBJECT,     &convert_s1_uint_d15_unorm},
    {WINED3DFMT_D24_UNORM_S8_UINT,      GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_DEPTH
            | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_D24_UNORM_S8_UINT,      GL_DEPTH24_STENCIL8_EXT,          GL_DEPTH24_STENCIL8_EXT,                0,
            GL_DEPTH_STENCIL_EXT,       GL_UNSIGNED_INT_24_8_EXT,         0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_DEPTH
            | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            EXT_PACKED_DEPTH_STENCIL,   NULL},
    {WINED3DFMT_D24_UNORM_S8_UINT,      GL_DEPTH24_STENCIL8,              GL_DEPTH24_STENCIL8,                    0,
            GL_DEPTH_STENCIL,           GL_UNSIGNED_INT_24_8,             0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_DEPTH
            | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            ARB_FRAMEBUFFER_OBJECT,     NULL},
    {WINED3DFMT_X8D24_UNORM,            GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_DEPTH
            | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_S4X4_UINT_D24_UNORM,    GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_S4X4_UINT_D24_UNORM,    GL_DEPTH24_STENCIL8_EXT,          GL_DEPTH24_STENCIL8_EXT,                0,
            GL_DEPTH_STENCIL_EXT,       GL_UNSIGNED_INT_24_8_EXT,         4,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            EXT_PACKED_DEPTH_STENCIL,   &convert_s4x4_uint_d24_unorm},
    {WINED3DFMT_S4X4_UINT_D24_UNORM,    GL_DEPTH24_STENCIL8,              GL_DEPTH24_STENCIL8,                    0,
            GL_DEPTH_STENCIL,           GL_UNSIGNED_INT_24_8,             4,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            ARB_FRAMEBUFFER_OBJECT,     &convert_s4x4_uint_d24_unorm},
    {WINED3DFMT_D16_UNORM,              GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
            GL_DEPTH_COMPONENT,         GL_UNSIGNED_SHORT,                0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING | WINED3DFMT_FLAG_DEPTH
            | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_TEXTURE,          NULL},
    {WINED3DFMT_L16_UNORM,              GL_LUMINANCE16,                   GL_LUMINANCE16,                         0,
            GL_LUMINANCE,               GL_UNSIGNED_SHORT,                0,
            WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING,
            WINED3D_GL_EXT_NONE,        NULL},
    {WINED3DFMT_D32_FLOAT,              GL_DEPTH_COMPONENT32F,            GL_DEPTH_COMPONENT32F,                  0,
            GL_DEPTH_COMPONENT,         GL_FLOAT,                         0,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_BUFFER_FLOAT,     NULL},
    {WINED3DFMT_S8_UINT_D24_FLOAT,      GL_DEPTH32F_STENCIL8,             GL_DEPTH32F_STENCIL8,                   0,
            GL_DEPTH_STENCIL,           GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 8,
            WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
            ARB_DEPTH_BUFFER_FLOAT,     &convert_s8_uint_d24_float},
    /* Vendor-specific formats */
    {WINED3DFMT_ATI2N,                  GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 0,
            0,
            ATI_TEXTURE_COMPRESSION_3DC, NULL},
    {WINED3DFMT_ATI2N,                  GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_RED_GREEN_RGTC2_EXT,     0,
            GL_LUMINANCE_ALPHA,         GL_UNSIGNED_BYTE,                 0,
            0,
            EXT_TEXTURE_COMPRESSION_RGTC, NULL},
};

static inline int getFmtIdx(WINED3DFORMAT fmt) {
    /* First check if the format is at the position of its value.
     * This will catch the argb formats before the loop is entered
     */
    if(fmt < (sizeof(formats) / sizeof(formats[0])) && formats[fmt].format == fmt) {
        return fmt;
    } else {
        unsigned int i;
        for(i = 0; i < (sizeof(formats) / sizeof(formats[0])); i++) {
            if(formats[i].format == fmt) {
                return i;
            }
        }
    }
    return -1;
}

static BOOL init_format_base_info(struct wined3d_gl_info *gl_info)
{
    UINT format_count = sizeof(formats) / sizeof(*formats);
    UINT i;

    gl_info->gl_formats = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, format_count * sizeof(*gl_info->gl_formats));
    if (!gl_info->gl_formats)
    {
        ERR("Failed to allocate memory.\n");
        return FALSE;
    }

    for (i = 0; i < format_count; ++i)
    {
        struct wined3d_format_desc *desc = &gl_info->gl_formats[i];
        desc->format = formats[i].format;
        desc->red_mask = formats[i].redMask;
        desc->green_mask = formats[i].greenMask;
        desc->blue_mask = formats[i].blueMask;
        desc->alpha_mask = formats[i].alphaMask;
        desc->byte_count = formats[i].bpp;
        desc->depth_size = formats[i].depthSize;
        desc->stencil_size = formats[i].stencilSize;
    }

    for (i = 0; i < (sizeof(format_base_flags) / sizeof(*format_base_flags)); ++i)
    {
        int fmt_idx = getFmtIdx(format_base_flags[i].format);

        if (fmt_idx == -1)
        {
            ERR("Format %s (%#x) not found.\n",
                    debug_d3dformat(format_base_flags[i].format), format_base_flags[i].format);
            HeapFree(GetProcessHeap(), 0, gl_info->gl_formats);
            return FALSE;
        }

        gl_info->gl_formats[fmt_idx].Flags |= format_base_flags[i].flags;
    }

    return TRUE;
}

static BOOL init_format_compression_info(struct wined3d_gl_info *gl_info)
{
    unsigned int i;

    for (i = 0; i < (sizeof(format_compression_info) / sizeof(*format_compression_info)); ++i)
    {
        struct wined3d_format_desc *format_desc;
        int fmt_idx = getFmtIdx(format_compression_info[i].format);

        if (fmt_idx == -1)
        {
            ERR("Format %s (%#x) not found.\n",
                    debug_d3dformat(format_compression_info[i].format), format_compression_info[i].format);
            return FALSE;
        }

        format_desc = &gl_info->gl_formats[fmt_idx];
        format_desc->block_width = format_compression_info[i].block_width;
        format_desc->block_height = format_compression_info[i].block_height;
        format_desc->block_byte_count = format_compression_info[i].block_byte_count;
        format_desc->Flags |= WINED3DFMT_FLAG_COMPRESSED;
    }

    return TRUE;
}

/* Context activation is done by the caller. */
static void check_fbo_compat(const struct wined3d_gl_info *gl_info, struct wined3d_format_desc *format_desc)
{
    /* Check if the default internal format is supported as a frame buffer
     * target, otherwise fall back to the render target internal.
     *
     * Try to stick to the standard format if possible, this limits precision differences. */
    GLenum status;
    GLuint tex;

    ENTER_GL();

    while(glGetError());
    glDisable(GL_BLEND);

    glGenTextures(1, &tex);
    glBindTexture(GL_TEXTURE_2D, tex);

    glTexImage2D(GL_TEXTURE_2D, 0, format_desc->glInternal, 16, 16, 0,
            format_desc->glFormat, format_desc->glType, NULL);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

    gl_info->fbo_ops.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);

    status = gl_info->fbo_ops.glCheckFramebufferStatus(GL_FRAMEBUFFER);
    checkGLcall("Framebuffer format check");

    if (status == GL_FRAMEBUFFER_COMPLETE)
    {
        TRACE("Format %s is supported as FBO color attachment\n", debug_d3dformat(format_desc->format));
        format_desc->Flags |= WINED3DFMT_FLAG_FBO_ATTACHABLE;
        format_desc->rtInternal = format_desc->glInternal;
    }
    else
    {
        if (!format_desc->rtInternal)
        {
            if (format_desc->Flags & WINED3DFMT_FLAG_RENDERTARGET)
            {
                FIXME("Format %s with rendertarget flag is not supported as FBO color attachment,"
                        " and no fallback specified.\n", debug_d3dformat(format_desc->format));
                format_desc->Flags &= ~WINED3DFMT_FLAG_RENDERTARGET;
            }
            else
            {
                TRACE("Format %s is not supported as FBO color attachment.\n", debug_d3dformat(format_desc->format));
            }
            format_desc->rtInternal = format_desc->glInternal;
        }
        else
        {
            TRACE("Format %s is not supported as FBO color attachment, trying rtInternal format as fallback.\n",
                    debug_d3dformat(format_desc->format));

            while(glGetError());

            gl_info->fbo_ops.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);

            glTexImage2D(GL_TEXTURE_2D, 0, format_desc->rtInternal, 16, 16, 0,
                    format_desc->glFormat, format_desc->glType, NULL);
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

            gl_info->fbo_ops.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);

            status = gl_info->fbo_ops.glCheckFramebufferStatus(GL_FRAMEBUFFER);
            checkGLcall("Framebuffer format check");

            if (status == GL_FRAMEBUFFER_COMPLETE)
            {
                TRACE("Format %s rtInternal format is supported as FBO color attachment\n",
                        debug_d3dformat(format_desc->format));
            }
            else
            {
                FIXME("Format %s rtInternal format is not supported as FBO color attachment.\n",
                        debug_d3dformat(format_desc->format));
                format_desc->Flags &= ~WINED3DFMT_FLAG_RENDERTARGET;
            }
        }
    }

    if (status == GL_FRAMEBUFFER_COMPLETE && format_desc->Flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING)
    {
        GLuint rb;

        if (gl_info->supported[ARB_FRAMEBUFFER_OBJECT]
                || gl_info->supported[EXT_PACKED_DEPTH_STENCIL])
        {
            gl_info->fbo_ops.glGenRenderbuffers(1, &rb);
            gl_info->fbo_ops.glBindRenderbuffer(GL_RENDERBUFFER, rb);
            gl_info->fbo_ops.glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 16, 16);
            gl_info->fbo_ops.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rb);
            gl_info->fbo_ops.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, rb);
            checkGLcall("RB attachment");
        }

        glEnable(GL_BLEND);
        glClear(GL_COLOR_BUFFER_BIT);
        if (glGetError() == GL_INVALID_FRAMEBUFFER_OPERATION)
        {
            while(glGetError());
            TRACE("Format doesn't support post-pixelshader blending.\n");
            format_desc->Flags &= ~WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING;
        }

        if (gl_info->supported[ARB_FRAMEBUFFER_OBJECT]
                || gl_info->supported[EXT_PACKED_DEPTH_STENCIL])
        {
            gl_info->fbo_ops.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
            gl_info->fbo_ops.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
            gl_info->fbo_ops.glDeleteRenderbuffers(1, &rb);
            checkGLcall("RB cleanup");
        }
    }

    glDeleteTextures(1, &tex);

    LEAVE_GL();
}

/* Context activation is done by the caller. */
static void init_format_fbo_compat_info(struct wined3d_gl_info *gl_info)
{
    unsigned int i;
    GLuint fbo;

    if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
    {
        ENTER_GL();

        gl_info->fbo_ops.glGenFramebuffers(1, &fbo);
        gl_info->fbo_ops.glBindFramebuffer(GL_FRAMEBUFFER, fbo);

        LEAVE_GL();
    }

    for (i = 0; i < sizeof(formats) / sizeof(*formats); ++i)
    {
        struct wined3d_format_desc *desc = &gl_info->gl_formats[i];

        if (!desc->glInternal) continue;

        if (desc->Flags & (WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL))
        {
            TRACE("Skipping format %s because it's a depth/stencil format.\n",
                    debug_d3dformat(desc->format));
            continue;
        }

        if (desc->Flags & WINED3DFMT_FLAG_COMPRESSED)
        {
            TRACE("Skipping format %s because it's a compressed format.\n",
                    debug_d3dformat(desc->format));
            continue;
        }

        if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
        {
            TRACE("Checking if format %s is supported as FBO color attachment...\n", debug_d3dformat(desc->format));
            check_fbo_compat(gl_info, desc);
        }
        else
        {
            desc->rtInternal = desc->glInternal;
        }
    }

    if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
    {
        ENTER_GL();

        gl_info->fbo_ops.glDeleteFramebuffers(1, &fbo);

        LEAVE_GL();
    }
}

static BOOL init_format_texture_info(struct wined3d_gl_info *gl_info)
{
    unsigned int i;

    for (i = 0; i < sizeof(format_texture_info) / sizeof(*format_texture_info); ++i)
    {
        int fmt_idx = getFmtIdx(format_texture_info[i].format);
        struct wined3d_format_desc *desc;

        if (fmt_idx == -1)
        {
            ERR("Format %s (%#x) not found.\n",
                    debug_d3dformat(format_texture_info[i].format), format_texture_info[i].format);
            return FALSE;
        }

        if (!gl_info->supported[format_texture_info[i].extension]) continue;

        /* ARB_texture_rg defines floating point formats, but only if
         * ARB_texture_float is also supported. */
        if (!gl_info->supported[ARB_TEXTURE_FLOAT]
                && (desc->Flags & WINED3DFMT_FLAG_FLOAT))
            continue;

        desc = &gl_info->gl_formats[fmt_idx];
        desc->glInternal = format_texture_info[i].gl_internal;
        desc->glGammaInternal = format_texture_info[i].gl_srgb_internal;
        desc->rtInternal = format_texture_info[i].gl_rt_internal;
        desc->glFormat = format_texture_info[i].gl_format;
        desc->glType = format_texture_info[i].gl_type;
        desc->color_fixup = COLOR_FIXUP_IDENTITY;
        desc->Flags |= format_texture_info[i].flags;
        desc->heightscale = 1.0f;

        /* Texture conversion stuff */
        desc->convert = format_texture_info[i].convert;
        desc->conv_byte_count = format_texture_info[i].conv_byte_count;
    }

    return TRUE;
}

static BOOL color_match(DWORD c1, DWORD c2, BYTE max_diff)
{
    if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
    c1 >>= 8; c2 >>= 8;
    if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
    c1 >>= 8; c2 >>= 8;
    if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
    c1 >>= 8; c2 >>= 8;
    if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff) return FALSE;
    return TRUE;
}

/* A context is provided by the caller */
static BOOL check_filter(const struct wined3d_gl_info *gl_info, GLenum internal)
{
    GLuint tex, fbo, buffer;
    const DWORD data[] = {0x00000000, 0xffffffff};
    DWORD readback[16 * 1];
    BOOL ret = FALSE;

    /* Render a filtered texture and see what happens. This is intended to detect the lack of
     * float16 filtering on ATI X1000 class cards. The drivers disable filtering instead of
     * falling back to software. If this changes in the future this code will get fooled and
     * apps might hit the software path due to incorrectly advertised caps.
     *
     * Its unlikely that this changes however. GL Games like Mass Effect depend on the filter
     * disable fallback, if Apple or ATI ever change the driver behavior they will break more
     * than Wine. The Linux binary <= r500 driver is not maintained any more anyway
     */

    ENTER_GL();
    while(glGetError());

    glGenTextures(1, &buffer);
    glBindTexture(GL_TEXTURE_2D, buffer);
    memset(readback, 0x7e, sizeof(readback));
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 16, 1, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, readback);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);

    glGenTextures(1, &tex);
    glBindTexture(GL_TEXTURE_2D, tex);
    glTexImage2D(GL_TEXTURE_2D, 0, internal, 2, 1, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, data);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
    glEnable(GL_TEXTURE_2D);

    gl_info->fbo_ops.glGenFramebuffers(1, &fbo);
    gl_info->fbo_ops.glBindFramebuffer(GL_FRAMEBUFFER, fbo);
    gl_info->fbo_ops.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, buffer, 0);
    glDrawBuffer(GL_COLOR_ATTACHMENT0);

    glViewport(0, 0, 16, 1);
    glDisable(GL_LIGHTING);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();

    glClearColor(0, 1, 0, 0);
    glClear(GL_COLOR_BUFFER_BIT);

    glBegin(GL_TRIANGLE_STRIP);
    glTexCoord2f(0.0, 0.0);
    glVertex2f(-1.0f, -1.0f);
    glTexCoord2f(1.0, 0.0);
    glVertex2f(1.0f, -1.0f);
    glTexCoord2f(0.0, 1.0);
    glVertex2f(-1.0f, 1.0f);
    glTexCoord2f(1.0, 1.0);
    glVertex2f(1.0f, 1.0f);
    glEnd();

    glBindTexture(GL_TEXTURE_2D, buffer);
    memset(readback, 0x7f, sizeof(readback));
    glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, readback);
    if(color_match(readback[6], 0xffffffff, 5) || color_match(readback[6], 0x00000000, 5) ||
       color_match(readback[9], 0xffffffff, 5) || color_match(readback[9], 0x00000000, 5))
    {
        TRACE("Read back colors 0x%08x and 0x%08x close to unfiltered color, asuming no filtering\n",
              readback[6], readback[9]);
        ret = FALSE;
    }
    else
    {
        TRACE("Read back colors are 0x%08x and 0x%08x, assuming texture is filtered\n",
              readback[6], readback[9]);
        ret = TRUE;
    }

    gl_info->fbo_ops.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    gl_info->fbo_ops.glDeleteFramebuffers(1, &fbo);
    glDeleteTextures(1, &tex);
    glDeleteTextures(1, &buffer);

    if(glGetError())
    {
        FIXME("Error during filtering test for format %x, returning no filtering\n", internal);
        ret = FALSE;
    }
    LEAVE_GL();
    return ret;
}

static void init_format_filter_info(struct wined3d_gl_info *gl_info, enum wined3d_pci_vendor vendor)
{
    struct wined3d_format_desc *desc;
    unsigned int fmt_idx, i;
    WINED3DFORMAT fmts16[] = {
        WINED3DFMT_R16_FLOAT,
        WINED3DFMT_R16G16_FLOAT,
        WINED3DFMT_R16G16B16A16_FLOAT,
    };
    BOOL filtered;

    if(wined3d_settings.offscreen_rendering_mode != ORM_FBO)
    {
        WARN("No FBO support, or no FBO ORM, guessing filter info from GL caps\n");
        if (vendor == HW_VENDOR_NVIDIA && gl_info->supported[ARB_TEXTURE_FLOAT])
        {
            TRACE("Nvidia card with texture_float support: Assuming float16 blending\n");
            filtered = TRUE;
        }
        else if (gl_info->limits.glsl_varyings > 44)
        {
            TRACE("More than 44 GLSL varyings - assuming d3d10 card with float16 blending\n");
            filtered = TRUE;
        }
        else
        {
            TRACE("Assuming no float16 blending\n");
            filtered = FALSE;
        }

        if(filtered)
        {
            for(i = 0; i < (sizeof(fmts16) / sizeof(*fmts16)); i++)
            {
                fmt_idx = getFmtIdx(fmts16[i]);
                gl_info->gl_formats[fmt_idx].Flags |= WINED3DFMT_FLAG_FILTERING;
            }
        }
        return;
    }

    for(i = 0; i < (sizeof(fmts16) / sizeof(*fmts16)); i++)
    {
        fmt_idx = getFmtIdx(fmts16[i]);
        desc = &gl_info->gl_formats[fmt_idx];
        if(!desc->glInternal) continue; /* Not supported by GL */

        filtered = check_filter(gl_info, gl_info->gl_formats[fmt_idx].glInternal);
        if(filtered)
        {
            TRACE("Format %s supports filtering\n", debug_d3dformat(fmts16[i]));
            desc->Flags |= WINED3DFMT_FLAG_FILTERING;
        }
        else
        {
            TRACE("Format %s does not support filtering\n", debug_d3dformat(fmts16[i]));
        }
    }
}

static void apply_format_fixups(struct wined3d_gl_info *gl_info)
{
    int idx;

    idx = getFmtIdx(WINED3DFMT_R16_FLOAT);
    gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
            0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_W);

    idx = getFmtIdx(WINED3DFMT_R32_FLOAT);
    gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
            0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_W);

    idx = getFmtIdx(WINED3DFMT_R16G16_UNORM);
    gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
            0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_W);

    idx = getFmtIdx(WINED3DFMT_R16G16_FLOAT);
    gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
            0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_W);

    idx = getFmtIdx(WINED3DFMT_R32G32_FLOAT);
    gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
            0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_W);

    /* V8U8 is supported natively by GL_ATI_envmap_bumpmap and GL_NV_texture_shader.
     * V16U16 is only supported by GL_NV_texture_shader. The formats need fixup if
     * their extensions are not available. GL_ATI_envmap_bumpmap is not used because
     * the only driver that implements it(fglrx) has a buggy implementation.
     *
     * V8U8 and V16U16 need a fixup of the undefined blue channel. OpenGL
     * returns 0.0 when sampling from it, DirectX 1.0. So we always have in-shader
     * conversion for this format.
     */
    if (!gl_info->supported[NV_TEXTURE_SHADER])
    {
        idx = getFmtIdx(WINED3DFMT_R8G8_SNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                1, CHANNEL_SOURCE_X, 1, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);
        idx = getFmtIdx(WINED3DFMT_R16G16_SNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                1, CHANNEL_SOURCE_X, 1, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);
    }
    else
    {
        idx = getFmtIdx(WINED3DFMT_R8G8_SNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);

        idx = getFmtIdx(WINED3DFMT_R16G16_SNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);
    }

    if (!gl_info->supported[NV_TEXTURE_SHADER])
    {
        /* If GL_NV_texture_shader is not supported, those formats are converted, incompatibly
         * with each other
         */
        idx = getFmtIdx(WINED3DFMT_R5G5_SNORM_L6_UNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                1, CHANNEL_SOURCE_X, 1, CHANNEL_SOURCE_Z, 0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_ONE);
        idx = getFmtIdx(WINED3DFMT_R8G8_SNORM_L8X8_UNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                1, CHANNEL_SOURCE_X, 1, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_Z, 0, CHANNEL_SOURCE_W);
        idx = getFmtIdx(WINED3DFMT_R8G8B8A8_SNORM);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                1, CHANNEL_SOURCE_X, 1, CHANNEL_SOURCE_Y, 1, CHANNEL_SOURCE_Z, 1, CHANNEL_SOURCE_W);
    }
    else
    {
        /* If GL_NV_texture_shader is supported, WINED3DFMT_L6V5U5 and WINED3DFMT_X8L8V8U8
         * are converted at surface loading time, but they do not need any modification in
         * the shader, thus they are compatible with all WINED3DFMT_UNKNOWN group formats.
         * WINED3DFMT_Q8W8V8U8 doesn't even need load-time conversion
         */
    }

    if (gl_info->supported[EXT_TEXTURE_COMPRESSION_RGTC])
    {
        idx = getFmtIdx(WINED3DFMT_ATI2N);
        gl_info->gl_formats[idx].color_fixup = create_color_fixup_desc(
                0, CHANNEL_SOURCE_Y, 0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);
    }
    else if (gl_info->supported[ATI_TEXTURE_COMPRESSION_3DC])
    {
        idx = getFmtIdx(WINED3DFMT_ATI2N);
        gl_info->gl_formats[idx].color_fixup= create_color_fixup_desc(
                0, CHANNEL_SOURCE_X, 0, CHANNEL_SOURCE_W, 0, CHANNEL_SOURCE_ONE, 0, CHANNEL_SOURCE_ONE);
    }

    if (!gl_info->supported[APPLE_YCBCR_422])
    {
        idx = getFmtIdx(WINED3DFMT_YUY2);
        gl_info->gl_formats[idx].color_fixup = create_complex_fixup_desc(COMPLEX_FIXUP_YUY2);

        idx = getFmtIdx(WINED3DFMT_UYVY);
        gl_info->gl_formats[idx].color_fixup = create_complex_fixup_desc(COMPLEX_FIXUP_UYVY);
    }

    idx = getFmtIdx(WINED3DFMT_YV12);
    gl_info->gl_formats[idx].heightscale = 1.5f;
    gl_info->gl_formats[idx].color_fixup = create_complex_fixup_desc(COMPLEX_FIXUP_YV12);

    if (gl_info->supported[EXT_PALETTED_TEXTURE] || gl_info->supported[ARB_FRAGMENT_PROGRAM])
    {
        idx = getFmtIdx(WINED3DFMT_P8_UINT);
        gl_info->gl_formats[idx].color_fixup = create_complex_fixup_desc(COMPLEX_FIXUP_P8);
    }

    if (gl_info->supported[ARB_VERTEX_ARRAY_BGRA])
    {
        idx = getFmtIdx(WINED3DFMT_B8G8R8A8_UNORM);
        gl_info->gl_formats[idx].gl_vtx_format = GL_BGRA;
    }

    if (gl_info->supported[ARB_HALF_FLOAT_VERTEX])
    {
        /* Do not change the size of the type, it is CPU side. We have to change the GPU-side information though.
         * It is the job of the vertex buffer code to make sure that the vbos have the right format */
        idx = getFmtIdx(WINED3DFMT_R16G16_FLOAT);
        gl_info->gl_formats[idx].gl_vtx_type = GL_HALF_FLOAT; /* == GL_HALF_FLOAT_NV */

        idx = getFmtIdx(WINED3DFMT_R16G16B16A16_FLOAT);
        gl_info->gl_formats[idx].gl_vtx_type = GL_HALF_FLOAT;
    }
}

static BOOL init_format_vertex_info(struct wined3d_gl_info *gl_info)
{
    unsigned int i;

    for (i = 0; i < (sizeof(format_vertex_info) / sizeof(*format_vertex_info)); ++i)
    {
        struct wined3d_format_desc *format_desc;
        int fmt_idx = getFmtIdx(format_vertex_info[i].format);

        if (fmt_idx == -1)
        {
            ERR("Format %s (%#x) not found.\n",
                    debug_d3dformat(format_vertex_info[i].format), format_vertex_info[i].format);
            return FALSE;
        }

        format_desc = &gl_info->gl_formats[fmt_idx];
        format_desc->emit_idx = format_vertex_info[i].emit_idx;
        format_desc->component_count = format_vertex_info[i].component_count;
        format_desc->gl_vtx_type = format_vertex_info[i].gl_vtx_type;
        format_desc->gl_vtx_format = format_vertex_info[i].gl_vtx_format;
        format_desc->gl_normalized = format_vertex_info[i].gl_normalized;
        format_desc->component_size = format_vertex_info[i].component_size;
    }

    return TRUE;
}

BOOL initPixelFormatsNoGL(struct wined3d_gl_info *gl_info)
{
    if (!init_format_base_info(gl_info)) return FALSE;

    if (!init_format_compression_info(gl_info))
    {
        HeapFree(GetProcessHeap(), 0, gl_info->gl_formats);
        gl_info->gl_formats = NULL;
        return FALSE;
    }

    return TRUE;
}

/* Context activation is done by the caller. */
BOOL initPixelFormats(struct wined3d_gl_info *gl_info, enum wined3d_pci_vendor vendor)
{
    if (!init_format_base_info(gl_info)) return FALSE;

    if (!init_format_compression_info(gl_info)) goto fail;
    if (!init_format_texture_info(gl_info)) goto fail;
    if (!init_format_vertex_info(gl_info)) goto fail;

    apply_format_fixups(gl_info);
    init_format_fbo_compat_info(gl_info);
    init_format_filter_info(gl_info, vendor);

    return TRUE;

fail:
    HeapFree(GetProcessHeap(), 0, gl_info->gl_formats);
    gl_info->gl_formats = NULL;
    return FALSE;
}

const struct wined3d_format_desc *getFormatDescEntry(WINED3DFORMAT fmt, const struct wined3d_gl_info *gl_info)
{
    int idx = getFmtIdx(fmt);

    if(idx == -1) {
        FIXME("Can't find format %s(%d) in the format lookup table\n", debug_d3dformat(fmt), fmt);
        /* Get the caller a valid pointer */
        idx = getFmtIdx(WINED3DFMT_UNKNOWN);
    }

    return &gl_info->gl_formats[idx];
}

/*****************************************************************************
 * Trace formatting of useful values
 */
const char* debug_d3dformat(WINED3DFORMAT fmt) {
  switch (fmt) {
#define FMT_TO_STR(fmt) case fmt: return #fmt
    FMT_TO_STR(WINED3DFMT_UNKNOWN);
    FMT_TO_STR(WINED3DFMT_B8G8R8_UNORM);
    FMT_TO_STR(WINED3DFMT_B5G5R5X1_UNORM);
    FMT_TO_STR(WINED3DFMT_B4G4R4A4_UNORM);
    FMT_TO_STR(WINED3DFMT_B2G3R3_UNORM);
    FMT_TO_STR(WINED3DFMT_B2G3R3A8_UNORM);
    FMT_TO_STR(WINED3DFMT_B4G4R4X4_UNORM);
    FMT_TO_STR(WINED3DFMT_R8G8B8X8_UNORM);
    FMT_TO_STR(WINED3DFMT_B10G10R10A2_UNORM);
    FMT_TO_STR(WINED3DFMT_P8_UINT_A8_UNORM);
    FMT_TO_STR(WINED3DFMT_P8_UINT);
    FMT_TO_STR(WINED3DFMT_L8_UNORM);
    FMT_TO_STR(WINED3DFMT_L8A8_UNORM);
    FMT_TO_STR(WINED3DFMT_L4A4_UNORM);
    FMT_TO_STR(WINED3DFMT_R5G5_SNORM_L6_UNORM);
    FMT_TO_STR(WINED3DFMT_R8G8_SNORM_L8X8_UNORM);
    FMT_TO_STR(WINED3DFMT_R10G11B11_SNORM);
    FMT_TO_STR(WINED3DFMT_R10G10B10_SNORM_A2_UNORM);
    FMT_TO_STR(WINED3DFMT_UYVY);
    FMT_TO_STR(WINED3DFMT_YUY2);
    FMT_TO_STR(WINED3DFMT_YV12);
    FMT_TO_STR(WINED3DFMT_DXT1);
    FMT_TO_STR(WINED3DFMT_DXT2);
    FMT_TO_STR(WINED3DFMT_DXT3);
    FMT_TO_STR(WINED3DFMT_DXT4);
    FMT_TO_STR(WINED3DFMT_DXT5);
    FMT_TO_STR(WINED3DFMT_MULTI2_ARGB8);
    FMT_TO_STR(WINED3DFMT_G8R8_G8B8);
    FMT_TO_STR(WINED3DFMT_R8G8_B8G8);
    FMT_TO_STR(WINED3DFMT_D16_LOCKABLE);
    FMT_TO_STR(WINED3DFMT_D32_UNORM);
    FMT_TO_STR(WINED3DFMT_S1_UINT_D15_UNORM);
    FMT_TO_STR(WINED3DFMT_X8D24_UNORM);
    FMT_TO_STR(WINED3DFMT_S4X4_UINT_D24_UNORM);
    FMT_TO_STR(WINED3DFMT_L16_UNORM);
    FMT_TO_STR(WINED3DFMT_S8_UINT_D24_FLOAT);
    FMT_TO_STR(WINED3DFMT_VERTEXDATA);
    FMT_TO_STR(WINED3DFMT_R8G8_SNORM_Cx);
    FMT_TO_STR(WINED3DFMT_ATI2N);
    FMT_TO_STR(WINED3DFMT_NVHU);
    FMT_TO_STR(WINED3DFMT_NVHS);
    FMT_TO_STR(WINED3DFMT_R32G32B32A32_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R32G32B32A32_FLOAT);
    FMT_TO_STR(WINED3DFMT_R32G32B32A32_UINT);
    FMT_TO_STR(WINED3DFMT_R32G32B32A32_SINT);
    FMT_TO_STR(WINED3DFMT_R32G32B32_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R32G32B32_FLOAT);
    FMT_TO_STR(WINED3DFMT_R32G32B32_UINT);
    FMT_TO_STR(WINED3DFMT_R32G32B32_SINT);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_FLOAT);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_UNORM);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_UINT);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_SNORM);
    FMT_TO_STR(WINED3DFMT_R16G16B16A16_SINT);
    FMT_TO_STR(WINED3DFMT_R32G32_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R32G32_FLOAT);
    FMT_TO_STR(WINED3DFMT_R32G32_UINT);
    FMT_TO_STR(WINED3DFMT_R32G32_SINT);
    FMT_TO_STR(WINED3DFMT_R32G8X24_TYPELESS);
    FMT_TO_STR(WINED3DFMT_D32_FLOAT_S8X24_UINT);
    FMT_TO_STR(WINED3DFMT_R32_FLOAT_X8X24_TYPELESS);
    FMT_TO_STR(WINED3DFMT_X32_TYPELESS_G8X24_UINT);
    FMT_TO_STR(WINED3DFMT_R10G10B10A2_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R10G10B10A2_UNORM);
    FMT_TO_STR(WINED3DFMT_R10G10B10A2_UINT);
    FMT_TO_STR(WINED3DFMT_R10G10B10A2_SNORM);
    FMT_TO_STR(WINED3DFMT_R11G11B10_FLOAT);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_UNORM);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_UNORM_SRGB);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_UINT);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_SNORM);
    FMT_TO_STR(WINED3DFMT_R8G8B8A8_SINT);
    FMT_TO_STR(WINED3DFMT_R16G16_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R16G16_FLOAT);
    FMT_TO_STR(WINED3DFMT_R16G16_UNORM);
    FMT_TO_STR(WINED3DFMT_R16G16_UINT);
    FMT_TO_STR(WINED3DFMT_R16G16_SNORM);
    FMT_TO_STR(WINED3DFMT_R16G16_SINT);
    FMT_TO_STR(WINED3DFMT_R32_TYPELESS);
    FMT_TO_STR(WINED3DFMT_D32_FLOAT);
    FMT_TO_STR(WINED3DFMT_R32_FLOAT);
    FMT_TO_STR(WINED3DFMT_R32_UINT);
    FMT_TO_STR(WINED3DFMT_R32_SINT);
    FMT_TO_STR(WINED3DFMT_R24G8_TYPELESS);
    FMT_TO_STR(WINED3DFMT_D24_UNORM_S8_UINT);
    FMT_TO_STR(WINED3DFMT_R24_UNORM_X8_TYPELESS);
    FMT_TO_STR(WINED3DFMT_X24_TYPELESS_G8_UINT);
    FMT_TO_STR(WINED3DFMT_R8G8_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R8G8_UNORM);
    FMT_TO_STR(WINED3DFMT_R8G8_UINT);
    FMT_TO_STR(WINED3DFMT_R8G8_SNORM);
    FMT_TO_STR(WINED3DFMT_R8G8_SINT);
    FMT_TO_STR(WINED3DFMT_R16_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R16_FLOAT);
    FMT_TO_STR(WINED3DFMT_D16_UNORM);
    FMT_TO_STR(WINED3DFMT_R16_UNORM);
    FMT_TO_STR(WINED3DFMT_R16_UINT);
    FMT_TO_STR(WINED3DFMT_R16_SNORM);
    FMT_TO_STR(WINED3DFMT_R16_SINT);
    FMT_TO_STR(WINED3DFMT_R8_TYPELESS);
    FMT_TO_STR(WINED3DFMT_R8_UNORM);
    FMT_TO_STR(WINED3DFMT_R8_UINT);
    FMT_TO_STR(WINED3DFMT_R8_SNORM);
    FMT_TO_STR(WINED3DFMT_R8_SINT);
    FMT_TO_STR(WINED3DFMT_A8_UNORM);
    FMT_TO_STR(WINED3DFMT_R1_UNORM);
    FMT_TO_STR(WINED3DFMT_R9G9B9E5_SHAREDEXP);
    FMT_TO_STR(WINED3DFMT_R8G8_B8G8_UNORM);
    FMT_TO_STR(WINED3DFMT_G8R8_G8B8_UNORM);
    FMT_TO_STR(WINED3DFMT_BC1_TYPELESS);
    FMT_TO_STR(WINED3DFMT_BC1_UNORM);
    FMT_TO_STR(WINED3DFMT_BC1_UNORM_SRGB);
    FMT_TO_STR(WINED3DFMT_BC2_TYPELESS);
    FMT_TO_STR(WINED3DFMT_BC2_UNORM);
    FMT_TO_STR(WINED3DFMT_BC2_UNORM_SRGB);
    FMT_TO_STR(WINED3DFMT_BC3_TYPELESS);
    FMT_TO_STR(WINED3DFMT_BC3_UNORM);
    FMT_TO_STR(WINED3DFMT_BC3_UNORM_SRGB);
    FMT_TO_STR(WINED3DFMT_BC4_TYPELESS);
    FMT_TO_STR(WINED3DFMT_BC4_UNORM);
    FMT_TO_STR(WINED3DFMT_BC4_SNORM);
    FMT_TO_STR(WINED3DFMT_BC5_TYPELESS);
    FMT_TO_STR(WINED3DFMT_BC5_UNORM);
    FMT_TO_STR(WINED3DFMT_BC5_SNORM);
    FMT_TO_STR(WINED3DFMT_B5G6R5_UNORM);
    FMT_TO_STR(WINED3DFMT_B5G5R5A1_UNORM);
    FMT_TO_STR(WINED3DFMT_B8G8R8A8_UNORM);
    FMT_TO_STR(WINED3DFMT_B8G8R8X8_UNORM);
#undef FMT_TO_STR
  default:
    {
      char fourcc[5];
      fourcc[0] = (char)(fmt);
      fourcc[1] = (char)(fmt >> 8);
      fourcc[2] = (char)(fmt >> 16);
      fourcc[3] = (char)(fmt >> 24);
      fourcc[4] = 0;
      if( isprint(fourcc[0]) && isprint(fourcc[1]) && isprint(fourcc[2]) && isprint(fourcc[3]) )
        FIXME("Unrecognized %u (as fourcc: %s) WINED3DFORMAT!\n", fmt, fourcc);
      else
        FIXME("Unrecognized %u WINED3DFORMAT!\n", fmt);
    }
    return "unrecognized";
  }
}

const char* debug_d3ddevicetype(WINED3DDEVTYPE devtype) {
  switch (devtype) {
#define DEVTYPE_TO_STR(dev) case dev: return #dev
    DEVTYPE_TO_STR(WINED3DDEVTYPE_HAL);
    DEVTYPE_TO_STR(WINED3DDEVTYPE_REF);
    DEVTYPE_TO_STR(WINED3DDEVTYPE_SW);
#undef DEVTYPE_TO_STR
  default:
    FIXME("Unrecognized %u WINED3DDEVTYPE!\n", devtype);
    return "unrecognized";
  }
}

const char *debug_d3dusage(DWORD usage)
{
    char buf[284];

    buf[0] = '\0';
#define WINED3DUSAGE_TO_STR(u) if (usage & u) { strcat(buf, " | "#u); usage &= ~u; }
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_RENDERTARGET);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_DEPTHSTENCIL);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_WRITEONLY);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_SOFTWAREPROCESSING);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_DONOTCLIP);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_POINTS);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_RTPATCHES);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_NPATCHES);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_DYNAMIC);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_AUTOGENMIPMAP);
    WINED3DUSAGE_TO_STR(WINED3DUSAGE_DMAP);
#undef WINED3DUSAGE_TO_STR
    if (usage) FIXME("Unrecognized usage flag(s) %#x\n", usage);

    return buf[0] ? wine_dbg_sprintf("%s", &buf[3]) : "0";
}

const char *debug_d3dusagequery(DWORD usagequery)
{
    char buf[238];

    buf[0] = '\0';
#define WINED3DUSAGEQUERY_TO_STR(u) if (usagequery & u) { strcat(buf, " | "#u); usagequery &= ~u; }
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_FILTER);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_LEGACYBUMPMAP);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_SRGBREAD);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_SRGBWRITE);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_VERTEXTEXTURE);
    WINED3DUSAGEQUERY_TO_STR(WINED3DUSAGE_QUERY_WRAPANDMIP);
#undef WINED3DUSAGEQUERY_TO_STR
    if (usagequery) FIXME("Unrecognized usage query flag(s) %#x\n", usagequery);

    return buf[0] ? wine_dbg_sprintf("%s", &buf[3]) : "0";
}

const char* debug_d3ddeclmethod(WINED3DDECLMETHOD method) {
    switch (method) {
#define WINED3DDECLMETHOD_TO_STR(u) case u: return #u
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_DEFAULT);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_PARTIALU);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_PARTIALV);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_CROSSUV);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_UV);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_LOOKUP);
        WINED3DDECLMETHOD_TO_STR(WINED3DDECLMETHOD_LOOKUPPRESAMPLED);
#undef WINED3DDECLMETHOD_TO_STR
        default:
            FIXME("Unrecognized %u declaration method!\n", method);
            return "unrecognized";
    }
}

const char* debug_d3ddeclusage(BYTE usage) {
    switch (usage) {
#define WINED3DDECLUSAGE_TO_STR(u) case u: return #u
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_POSITION);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_BLENDWEIGHT);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_BLENDINDICES);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_NORMAL);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_PSIZE);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_TEXCOORD);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_TANGENT);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_BINORMAL);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_TESSFACTOR);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_POSITIONT);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_COLOR);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_FOG);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_DEPTH);
        WINED3DDECLUSAGE_TO_STR(WINED3DDECLUSAGE_SAMPLE);
#undef WINED3DDECLUSAGE_TO_STR
        default:
            FIXME("Unrecognized %u declaration usage!\n", usage);
            return "unrecognized";
    }
}

const char* debug_d3dresourcetype(WINED3DRESOURCETYPE res) {
  switch (res) {
#define RES_TO_STR(res) case res: return #res
    RES_TO_STR(WINED3DRTYPE_SURFACE);
    RES_TO_STR(WINED3DRTYPE_VOLUME);
    RES_TO_STR(WINED3DRTYPE_TEXTURE);
    RES_TO_STR(WINED3DRTYPE_VOLUMETEXTURE);
    RES_TO_STR(WINED3DRTYPE_CUBETEXTURE);
    RES_TO_STR(WINED3DRTYPE_BUFFER);
#undef  RES_TO_STR
  default:
    FIXME("Unrecognized %u WINED3DRESOURCETYPE!\n", res);
    return "unrecognized";
  }
}

const char* debug_d3dprimitivetype(WINED3DPRIMITIVETYPE PrimitiveType) {
  switch (PrimitiveType) {
#define PRIM_TO_STR(prim) case prim: return #prim
    PRIM_TO_STR(WINED3DPT_UNDEFINED);
    PRIM_TO_STR(WINED3DPT_POINTLIST);
    PRIM_TO_STR(WINED3DPT_LINELIST);
    PRIM_TO_STR(WINED3DPT_LINESTRIP);
    PRIM_TO_STR(WINED3DPT_TRIANGLELIST);
    PRIM_TO_STR(WINED3DPT_TRIANGLESTRIP);
    PRIM_TO_STR(WINED3DPT_TRIANGLEFAN);
    PRIM_TO_STR(WINED3DPT_LINELIST_ADJ);
    PRIM_TO_STR(WINED3DPT_LINESTRIP_ADJ);
    PRIM_TO_STR(WINED3DPT_TRIANGLELIST_ADJ);
    PRIM_TO_STR(WINED3DPT_TRIANGLESTRIP_ADJ);
#undef  PRIM_TO_STR
  default:
    FIXME("Unrecognized %u WINED3DPRIMITIVETYPE!\n", PrimitiveType);
    return "unrecognized";
  }
}

const char* debug_d3drenderstate(DWORD state) {
  switch (state) {
#define D3DSTATE_TO_STR(u) case u: return #u
    D3DSTATE_TO_STR(WINED3DRS_ANTIALIAS                 );
    D3DSTATE_TO_STR(WINED3DRS_TEXTUREPERSPECTIVE        );
    D3DSTATE_TO_STR(WINED3DRS_WRAPU                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAPV                     );
    D3DSTATE_TO_STR(WINED3DRS_ZENABLE                   );
    D3DSTATE_TO_STR(WINED3DRS_FILLMODE                  );
    D3DSTATE_TO_STR(WINED3DRS_SHADEMODE                 );
    D3DSTATE_TO_STR(WINED3DRS_LINEPATTERN               );
    D3DSTATE_TO_STR(WINED3DRS_MONOENABLE                );
    D3DSTATE_TO_STR(WINED3DRS_ROP2                      );
    D3DSTATE_TO_STR(WINED3DRS_PLANEMASK                 );
    D3DSTATE_TO_STR(WINED3DRS_ZWRITEENABLE              );
    D3DSTATE_TO_STR(WINED3DRS_ALPHATESTENABLE           );
    D3DSTATE_TO_STR(WINED3DRS_LASTPIXEL                 );
    D3DSTATE_TO_STR(WINED3DRS_SRCBLEND                  );
    D3DSTATE_TO_STR(WINED3DRS_DESTBLEND                 );
    D3DSTATE_TO_STR(WINED3DRS_CULLMODE                  );
    D3DSTATE_TO_STR(WINED3DRS_ZFUNC                     );
    D3DSTATE_TO_STR(WINED3DRS_ALPHAREF                  );
    D3DSTATE_TO_STR(WINED3DRS_ALPHAFUNC                 );
    D3DSTATE_TO_STR(WINED3DRS_DITHERENABLE              );
    D3DSTATE_TO_STR(WINED3DRS_ALPHABLENDENABLE          );
    D3DSTATE_TO_STR(WINED3DRS_FOGENABLE                 );
    D3DSTATE_TO_STR(WINED3DRS_SPECULARENABLE            );
    D3DSTATE_TO_STR(WINED3DRS_ZVISIBLE                  );
    D3DSTATE_TO_STR(WINED3DRS_SUBPIXEL                  );
    D3DSTATE_TO_STR(WINED3DRS_SUBPIXELX                 );
    D3DSTATE_TO_STR(WINED3DRS_STIPPLEDALPHA             );
    D3DSTATE_TO_STR(WINED3DRS_FOGCOLOR                  );
    D3DSTATE_TO_STR(WINED3DRS_FOGTABLEMODE              );
    D3DSTATE_TO_STR(WINED3DRS_FOGSTART                  );
    D3DSTATE_TO_STR(WINED3DRS_FOGEND                    );
    D3DSTATE_TO_STR(WINED3DRS_FOGDENSITY                );
    D3DSTATE_TO_STR(WINED3DRS_STIPPLEENABLE             );
    D3DSTATE_TO_STR(WINED3DRS_EDGEANTIALIAS             );
    D3DSTATE_TO_STR(WINED3DRS_COLORKEYENABLE            );
    D3DSTATE_TO_STR(WINED3DRS_MIPMAPLODBIAS             );
    D3DSTATE_TO_STR(WINED3DRS_ZBIAS                     );
    D3DSTATE_TO_STR(WINED3DRS_RANGEFOGENABLE            );
    D3DSTATE_TO_STR(WINED3DRS_ANISOTROPY                );
    D3DSTATE_TO_STR(WINED3DRS_FLUSHBATCH                );
    D3DSTATE_TO_STR(WINED3DRS_TRANSLUCENTSORTINDEPENDENT);
    D3DSTATE_TO_STR(WINED3DRS_STENCILENABLE             );
    D3DSTATE_TO_STR(WINED3DRS_STENCILFAIL               );
    D3DSTATE_TO_STR(WINED3DRS_STENCILZFAIL              );
    D3DSTATE_TO_STR(WINED3DRS_STENCILPASS               );
    D3DSTATE_TO_STR(WINED3DRS_STENCILFUNC               );
    D3DSTATE_TO_STR(WINED3DRS_STENCILREF                );
    D3DSTATE_TO_STR(WINED3DRS_STENCILMASK               );
    D3DSTATE_TO_STR(WINED3DRS_STENCILWRITEMASK          );
    D3DSTATE_TO_STR(WINED3DRS_TEXTUREFACTOR             );
    D3DSTATE_TO_STR(WINED3DRS_WRAP0                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP1                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP2                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP3                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP4                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP5                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP6                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP7                     );
    D3DSTATE_TO_STR(WINED3DRS_CLIPPING                  );
    D3DSTATE_TO_STR(WINED3DRS_LIGHTING                  );
    D3DSTATE_TO_STR(WINED3DRS_EXTENTS                   );
    D3DSTATE_TO_STR(WINED3DRS_AMBIENT                   );
    D3DSTATE_TO_STR(WINED3DRS_FOGVERTEXMODE             );
    D3DSTATE_TO_STR(WINED3DRS_COLORVERTEX               );
    D3DSTATE_TO_STR(WINED3DRS_LOCALVIEWER               );
    D3DSTATE_TO_STR(WINED3DRS_NORMALIZENORMALS          );
    D3DSTATE_TO_STR(WINED3DRS_COLORKEYBLENDENABLE       );
    D3DSTATE_TO_STR(WINED3DRS_DIFFUSEMATERIALSOURCE     );
    D3DSTATE_TO_STR(WINED3DRS_SPECULARMATERIALSOURCE    );
    D3DSTATE_TO_STR(WINED3DRS_AMBIENTMATERIALSOURCE     );
    D3DSTATE_TO_STR(WINED3DRS_EMISSIVEMATERIALSOURCE    );
    D3DSTATE_TO_STR(WINED3DRS_VERTEXBLEND               );
    D3DSTATE_TO_STR(WINED3DRS_CLIPPLANEENABLE           );
    D3DSTATE_TO_STR(WINED3DRS_SOFTWAREVERTEXPROCESSING  );
    D3DSTATE_TO_STR(WINED3DRS_POINTSIZE                 );
    D3DSTATE_TO_STR(WINED3DRS_POINTSIZE_MIN             );
    D3DSTATE_TO_STR(WINED3DRS_POINTSPRITEENABLE         );
    D3DSTATE_TO_STR(WINED3DRS_POINTSCALEENABLE          );
    D3DSTATE_TO_STR(WINED3DRS_POINTSCALE_A              );
    D3DSTATE_TO_STR(WINED3DRS_POINTSCALE_B              );
    D3DSTATE_TO_STR(WINED3DRS_POINTSCALE_C              );
    D3DSTATE_TO_STR(WINED3DRS_MULTISAMPLEANTIALIAS      );
    D3DSTATE_TO_STR(WINED3DRS_MULTISAMPLEMASK           );
    D3DSTATE_TO_STR(WINED3DRS_PATCHEDGESTYLE            );
    D3DSTATE_TO_STR(WINED3DRS_PATCHSEGMENTS             );
    D3DSTATE_TO_STR(WINED3DRS_DEBUGMONITORTOKEN         );
    D3DSTATE_TO_STR(WINED3DRS_POINTSIZE_MAX             );
    D3DSTATE_TO_STR(WINED3DRS_INDEXEDVERTEXBLENDENABLE  );
    D3DSTATE_TO_STR(WINED3DRS_COLORWRITEENABLE          );
    D3DSTATE_TO_STR(WINED3DRS_TWEENFACTOR               );
    D3DSTATE_TO_STR(WINED3DRS_BLENDOP                   );
    D3DSTATE_TO_STR(WINED3DRS_POSITIONDEGREE            );
    D3DSTATE_TO_STR(WINED3DRS_NORMALDEGREE              );
    D3DSTATE_TO_STR(WINED3DRS_SCISSORTESTENABLE         );
    D3DSTATE_TO_STR(WINED3DRS_SLOPESCALEDEPTHBIAS       );
    D3DSTATE_TO_STR(WINED3DRS_ANTIALIASEDLINEENABLE     );
    D3DSTATE_TO_STR(WINED3DRS_MINTESSELLATIONLEVEL      );
    D3DSTATE_TO_STR(WINED3DRS_MAXTESSELLATIONLEVEL      );
    D3DSTATE_TO_STR(WINED3DRS_ADAPTIVETESS_X            );
    D3DSTATE_TO_STR(WINED3DRS_ADAPTIVETESS_Y            );
    D3DSTATE_TO_STR(WINED3DRS_ADAPTIVETESS_Z            );
    D3DSTATE_TO_STR(WINED3DRS_ADAPTIVETESS_W            );
    D3DSTATE_TO_STR(WINED3DRS_ENABLEADAPTIVETESSELLATION);
    D3DSTATE_TO_STR(WINED3DRS_TWOSIDEDSTENCILMODE       );
    D3DSTATE_TO_STR(WINED3DRS_CCW_STENCILFAIL           );
    D3DSTATE_TO_STR(WINED3DRS_CCW_STENCILZFAIL          );
    D3DSTATE_TO_STR(WINED3DRS_CCW_STENCILPASS           );
    D3DSTATE_TO_STR(WINED3DRS_CCW_STENCILFUNC           );
    D3DSTATE_TO_STR(WINED3DRS_COLORWRITEENABLE1         );
    D3DSTATE_TO_STR(WINED3DRS_COLORWRITEENABLE2         );
    D3DSTATE_TO_STR(WINED3DRS_COLORWRITEENABLE3         );
    D3DSTATE_TO_STR(WINED3DRS_BLENDFACTOR               );
    D3DSTATE_TO_STR(WINED3DRS_SRGBWRITEENABLE           );
    D3DSTATE_TO_STR(WINED3DRS_DEPTHBIAS                 );
    D3DSTATE_TO_STR(WINED3DRS_WRAP8                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP9                     );
    D3DSTATE_TO_STR(WINED3DRS_WRAP10                    );
    D3DSTATE_TO_STR(WINED3DRS_WRAP11                    );
    D3DSTATE_TO_STR(WINED3DRS_WRAP12                    );
    D3DSTATE_TO_STR(WINED3DRS_WRAP13                    );
    D3DSTATE_TO_STR(WINED3DRS_WRAP14                    );
    D3DSTATE_TO_STR(WINED3DRS_WRAP15                    );
    D3DSTATE_TO_STR(WINED3DRS_SEPARATEALPHABLENDENABLE  );
    D3DSTATE_TO_STR(WINED3DRS_SRCBLENDALPHA             );
    D3DSTATE_TO_STR(WINED3DRS_DESTBLENDALPHA            );
    D3DSTATE_TO_STR(WINED3DRS_BLENDOPALPHA              );
#undef D3DSTATE_TO_STR
  default:
    FIXME("Unrecognized %u render state!\n", state);
    return "unrecognized";
  }
}

const char* debug_d3dsamplerstate(DWORD state) {
  switch (state) {
#define D3DSTATE_TO_STR(u) case u: return #u
    D3DSTATE_TO_STR(WINED3DSAMP_BORDERCOLOR  );
    D3DSTATE_TO_STR(WINED3DSAMP_ADDRESSU     );
    D3DSTATE_TO_STR(WINED3DSAMP_ADDRESSV     );
    D3DSTATE_TO_STR(WINED3DSAMP_ADDRESSW     );
    D3DSTATE_TO_STR(WINED3DSAMP_MAGFILTER    );
    D3DSTATE_TO_STR(WINED3DSAMP_MINFILTER    );
    D3DSTATE_TO_STR(WINED3DSAMP_MIPFILTER    );
    D3DSTATE_TO_STR(WINED3DSAMP_MIPMAPLODBIAS);
    D3DSTATE_TO_STR(WINED3DSAMP_MAXMIPLEVEL  );
    D3DSTATE_TO_STR(WINED3DSAMP_MAXANISOTROPY);
    D3DSTATE_TO_STR(WINED3DSAMP_SRGBTEXTURE  );
    D3DSTATE_TO_STR(WINED3DSAMP_ELEMENTINDEX );
    D3DSTATE_TO_STR(WINED3DSAMP_DMAPOFFSET   );
#undef D3DSTATE_TO_STR
  default:
    FIXME("Unrecognized %u sampler state!\n", state);
    return "unrecognized";
  }
}

const char *debug_d3dtexturefiltertype(WINED3DTEXTUREFILTERTYPE filter_type) {
    switch (filter_type) {
#define D3DTEXTUREFILTERTYPE_TO_STR(u) case u: return #u
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_NONE);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_POINT);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_LINEAR);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_ANISOTROPIC);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_FLATCUBIC);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_GAUSSIANCUBIC);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_PYRAMIDALQUAD);
        D3DTEXTUREFILTERTYPE_TO_STR(WINED3DTEXF_GAUSSIANQUAD);
#undef D3DTEXTUREFILTERTYPE_TO_STR
        default:
            FIXME("Unrecognied texture filter type 0x%08x\n", filter_type);
            return "unrecognized";
    }
}

const char* debug_d3dtexturestate(DWORD state) {
  switch (state) {
#define D3DSTATE_TO_STR(u) case u: return #u
    D3DSTATE_TO_STR(WINED3DTSS_COLOROP               );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG1             );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG2             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAOP               );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG1             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG2             );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT00          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT01          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT10          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT11          );
    D3DSTATE_TO_STR(WINED3DTSS_TEXCOORDINDEX         );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVLSCALE         );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVLOFFSET        );
    D3DSTATE_TO_STR(WINED3DTSS_TEXTURETRANSFORMFLAGS );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG0             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG0             );
    D3DSTATE_TO_STR(WINED3DTSS_RESULTARG             );
    D3DSTATE_TO_STR(WINED3DTSS_CONSTANT              );
#undef D3DSTATE_TO_STR
  default:
    FIXME("Unrecognized %u texture state!\n", state);
    return "unrecognized";
  }
}

const char* debug_d3dtop(WINED3DTEXTUREOP d3dtop) {
    switch (d3dtop) {
#define D3DTOP_TO_STR(u) case u: return #u
        D3DTOP_TO_STR(WINED3DTOP_DISABLE);
        D3DTOP_TO_STR(WINED3DTOP_SELECTARG1);
        D3DTOP_TO_STR(WINED3DTOP_SELECTARG2);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE2X);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE4X);
        D3DTOP_TO_STR(WINED3DTOP_ADD);
        D3DTOP_TO_STR(WINED3DTOP_ADDSIGNED);
        D3DTOP_TO_STR(WINED3DTOP_ADDSIGNED2X);
        D3DTOP_TO_STR(WINED3DTOP_SUBTRACT);
        D3DTOP_TO_STR(WINED3DTOP_ADDSMOOTH);
        D3DTOP_TO_STR(WINED3DTOP_BLENDDIFFUSEALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDTEXTUREALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDFACTORALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDTEXTUREALPHAPM);
        D3DTOP_TO_STR(WINED3DTOP_BLENDCURRENTALPHA);
        D3DTOP_TO_STR(WINED3DTOP_PREMODULATE);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEALPHA_ADDCOLOR);
        D3DTOP_TO_STR(WINED3DTOP_MODULATECOLOR_ADDALPHA);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEINVALPHA_ADDCOLOR);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEINVCOLOR_ADDALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BUMPENVMAP);
        D3DTOP_TO_STR(WINED3DTOP_BUMPENVMAPLUMINANCE);
        D3DTOP_TO_STR(WINED3DTOP_DOTPRODUCT3);
        D3DTOP_TO_STR(WINED3DTOP_MULTIPLYADD);
        D3DTOP_TO_STR(WINED3DTOP_LERP);
#undef D3DTOP_TO_STR
        default:
            FIXME("Unrecognized %u WINED3DTOP\n", d3dtop);
            return "unrecognized";
    }
}

const char* debug_d3dtstype(WINED3DTRANSFORMSTATETYPE tstype) {
    switch (tstype) {
#define TSTYPE_TO_STR(tstype) case tstype: return #tstype
    TSTYPE_TO_STR(WINED3DTS_VIEW);
    TSTYPE_TO_STR(WINED3DTS_PROJECTION);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE0);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE1);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE2);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE3);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE4);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE5);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE6);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE7);
    TSTYPE_TO_STR(WINED3DTS_WORLDMATRIX(0));
#undef TSTYPE_TO_STR
    default:
        if (tstype > 256 && tstype < 512) {
            FIXME("WINED3DTS_WORLDMATRIX(%u). 1..255 not currently supported\n", tstype);
            return ("WINED3DTS_WORLDMATRIX > 0");
        }
        FIXME("Unrecognized %u WINED3DTS\n", tstype);
        return "unrecognized";
    }
}

const char *debug_d3dstate(DWORD state)
{
    if (STATE_IS_RENDER(state))
        return wine_dbg_sprintf("STATE_RENDER(%s)", debug_d3drenderstate(state - STATE_RENDER(0)));
    if (STATE_IS_TEXTURESTAGE(state))
    {
        DWORD texture_stage = (state - STATE_TEXTURESTAGE(0, 0)) / (WINED3D_HIGHEST_TEXTURE_STATE + 1);
        DWORD texture_state = state - STATE_TEXTURESTAGE(texture_stage, 0);
        return wine_dbg_sprintf("STATE_TEXTURESTAGE(%#x, %s)",
                texture_stage, debug_d3dtexturestate(texture_state));
    }
    if (STATE_IS_SAMPLER(state))
        return wine_dbg_sprintf("STATE_SAMPLER(%#x)", state - STATE_SAMPLER(0));
    if (STATE_IS_PIXELSHADER(state))
        return "STATE_PIXELSHADER";
    if (STATE_IS_TRANSFORM(state))
        return wine_dbg_sprintf("STATE_TRANSFORM(%s)", debug_d3dtstype(state - STATE_TRANSFORM(0)));
    if (STATE_IS_STREAMSRC(state))
        return "STATE_STREAMSRC";
    if (STATE_IS_INDEXBUFFER(state))
        return "STATE_INDEXBUFFER";
    if (STATE_IS_VDECL(state))
        return "STATE_VDECL";
    if (STATE_IS_VSHADER(state))
        return "STATE_VSHADER";
    if (STATE_IS_VIEWPORT(state))
        return "STATE_VIEWPORT";
    if (STATE_IS_VERTEXSHADERCONSTANT(state))
        return "STATE_VERTEXSHADERCONSTANT";
    if (STATE_IS_PIXELSHADERCONSTANT(state))
        return "STATE_PIXELSHADERCONSTANT";
    if (STATE_IS_ACTIVELIGHT(state))
        return wine_dbg_sprintf("STATE_ACTIVELIGHT(%#x)", state - STATE_ACTIVELIGHT(0));
    if (STATE_IS_SCISSORRECT(state))
        return "STATE_SCISSORRECT";
    if (STATE_IS_CLIPPLANE(state))
        return wine_dbg_sprintf("STATE_CLIPPLANE(%#x)", state - STATE_CLIPPLANE(0));
    if (STATE_IS_MATERIAL(state))
        return "STATE_MATERIAL";
    if (STATE_IS_FRONTFACE(state))
        return "STATE_FRONTFACE";

    return wine_dbg_sprintf("UNKNOWN_STATE(%#x)", state);
}

const char* debug_d3dpool(WINED3DPOOL Pool) {
  switch (Pool) {
#define POOL_TO_STR(p) case p: return #p
    POOL_TO_STR(WINED3DPOOL_DEFAULT);
    POOL_TO_STR(WINED3DPOOL_MANAGED);
    POOL_TO_STR(WINED3DPOOL_SYSTEMMEM);
    POOL_TO_STR(WINED3DPOOL_SCRATCH);
#undef  POOL_TO_STR
  default:
    FIXME("Unrecognized %u WINED3DPOOL!\n", Pool);
    return "unrecognized";
  }
}

const char *debug_fbostatus(GLenum status) {
    switch(status) {
#define FBOSTATUS_TO_STR(u) case u: return #u
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_COMPLETE);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_UNSUPPORTED);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_UNDEFINED);
#undef FBOSTATUS_TO_STR
        default:
            FIXME("Unrecognied FBO status 0x%08x\n", status);
            return "unrecognized";
    }
}

const char *debug_glerror(GLenum error) {
    switch(error) {
#define GLERROR_TO_STR(u) case u: return #u
        GLERROR_TO_STR(GL_NO_ERROR);
        GLERROR_TO_STR(GL_INVALID_ENUM);
        GLERROR_TO_STR(GL_INVALID_VALUE);
        GLERROR_TO_STR(GL_INVALID_OPERATION);
        GLERROR_TO_STR(GL_STACK_OVERFLOW);
        GLERROR_TO_STR(GL_STACK_UNDERFLOW);
        GLERROR_TO_STR(GL_OUT_OF_MEMORY);
        GLERROR_TO_STR(GL_INVALID_FRAMEBUFFER_OPERATION);
#undef GLERROR_TO_STR
        default:
            FIXME("Unrecognied GL error 0x%08x\n", error);
            return "unrecognized";
    }
}

const char *debug_d3dbasis(WINED3DBASISTYPE basis) {
    switch(basis) {
        case WINED3DBASIS_BEZIER:       return "WINED3DBASIS_BEZIER";
        case WINED3DBASIS_BSPLINE:      return "WINED3DBASIS_BSPLINE";
        case WINED3DBASIS_INTERPOLATE:  return "WINED3DBASIS_INTERPOLATE";
        default:                        return "unrecognized";
    }
}

const char *debug_d3ddegree(WINED3DDEGREETYPE degree) {
    switch(degree) {
        case WINED3DDEGREE_LINEAR:      return "WINED3DDEGREE_LINEAR";
        case WINED3DDEGREE_QUADRATIC:   return "WINED3DDEGREE_QUADRATIC";
        case WINED3DDEGREE_CUBIC:       return "WINED3DDEGREE_CUBIC";
        case WINED3DDEGREE_QUINTIC:     return "WINED3DDEGREE_QUINTIC";
        default:                        return "unrecognized";
    }
}

static const char *debug_fixup_channel_source(enum fixup_channel_source source)
{
    switch(source)
    {
#define WINED3D_TO_STR(x) case x: return #x
        WINED3D_TO_STR(CHANNEL_SOURCE_ZERO);
        WINED3D_TO_STR(CHANNEL_SOURCE_ONE);
        WINED3D_TO_STR(CHANNEL_SOURCE_X);
        WINED3D_TO_STR(CHANNEL_SOURCE_Y);
        WINED3D_TO_STR(CHANNEL_SOURCE_Z);
        WINED3D_TO_STR(CHANNEL_SOURCE_W);
        WINED3D_TO_STR(CHANNEL_SOURCE_COMPLEX0);
        WINED3D_TO_STR(CHANNEL_SOURCE_COMPLEX1);
#undef WINED3D_TO_STR
        default:
            FIXME("Unrecognized fixup_channel_source %#x\n", source);
            return "unrecognized";
    }
}

static const char *debug_complex_fixup(enum complex_fixup fixup)
{
    switch(fixup)
    {
#define WINED3D_TO_STR(x) case x: return #x
        WINED3D_TO_STR(COMPLEX_FIXUP_YUY2);
        WINED3D_TO_STR(COMPLEX_FIXUP_UYVY);
        WINED3D_TO_STR(COMPLEX_FIXUP_YV12);
        WINED3D_TO_STR(COMPLEX_FIXUP_P8);
#undef WINED3D_TO_STR
        default:
            FIXME("Unrecognized complex fixup %#x\n", fixup);
            return "unrecognized";
    }
}

void dump_color_fixup_desc(struct color_fixup_desc fixup)
{
    if (is_complex_fixup(fixup))
    {
        TRACE("\tComplex: %s\n", debug_complex_fixup(get_complex_fixup(fixup)));
        return;
    }

    TRACE("\tX: %s%s\n", debug_fixup_channel_source(fixup.x_source), fixup.x_sign_fixup ? ", SIGN_FIXUP" : "");
    TRACE("\tY: %s%s\n", debug_fixup_channel_source(fixup.y_source), fixup.y_sign_fixup ? ", SIGN_FIXUP" : "");
    TRACE("\tZ: %s%s\n", debug_fixup_channel_source(fixup.z_source), fixup.z_sign_fixup ? ", SIGN_FIXUP" : "");
    TRACE("\tW: %s%s\n", debug_fixup_channel_source(fixup.w_source), fixup.w_sign_fixup ? ", SIGN_FIXUP" : "");
}

const char *debug_surflocation(DWORD flag) {
    char buf[128];

    buf[0] = 0;
    if(flag & SFLAG_INSYSMEM) strcat(buf, " | SFLAG_INSYSMEM");
    if(flag & SFLAG_INDRAWABLE) strcat(buf, " | SFLAG_INDRAWABLE");
    if(flag & SFLAG_INTEXTURE) strcat(buf, " | SFLAG_INTEXTURE");
    if(flag & SFLAG_INSRGBTEX) strcat(buf, " | SFLAG_INSRGBTEX");
    return wine_dbg_sprintf("%s", buf[0] ? buf + 3 : "0");
}

/*****************************************************************************
 * Useful functions mapping GL <-> D3D values
 */
GLenum StencilOp(DWORD op) {
    switch(op) {
    case WINED3DSTENCILOP_KEEP    : return GL_KEEP;
    case WINED3DSTENCILOP_ZERO    : return GL_ZERO;
    case WINED3DSTENCILOP_REPLACE : return GL_REPLACE;
    case WINED3DSTENCILOP_INCRSAT : return GL_INCR;
    case WINED3DSTENCILOP_DECRSAT : return GL_DECR;
    case WINED3DSTENCILOP_INVERT  : return GL_INVERT;
    case WINED3DSTENCILOP_INCR    : return GL_INCR_WRAP_EXT;
    case WINED3DSTENCILOP_DECR    : return GL_DECR_WRAP_EXT;
    default:
        FIXME("Unrecognized stencil op %d\n", op);
        return GL_KEEP;
    }
}

GLenum CompareFunc(DWORD func) {
    switch ((WINED3DCMPFUNC)func) {
    case WINED3DCMP_NEVER        : return GL_NEVER;
    case WINED3DCMP_LESS         : return GL_LESS;
    case WINED3DCMP_EQUAL        : return GL_EQUAL;
    case WINED3DCMP_LESSEQUAL    : return GL_LEQUAL;
    case WINED3DCMP_GREATER      : return GL_GREATER;
    case WINED3DCMP_NOTEQUAL     : return GL_NOTEQUAL;
    case WINED3DCMP_GREATEREQUAL : return GL_GEQUAL;
    case WINED3DCMP_ALWAYS       : return GL_ALWAYS;
    default:
        FIXME("Unrecognized WINED3DCMPFUNC value %d\n", func);
        return 0;
    }
}

BOOL is_invalid_op(IWineD3DDeviceImpl *This, int stage, WINED3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3) {
    if (op == WINED3DTOP_DISABLE) return FALSE;
    if (This->stateBlock->textures[stage]) return FALSE;

    if ((arg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE
            && op != WINED3DTOP_SELECTARG2) return TRUE;
    if ((arg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE
            && op != WINED3DTOP_SELECTARG1) return TRUE;
    if ((arg3 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE
            && (op == WINED3DTOP_MULTIPLYADD || op == WINED3DTOP_LERP)) return TRUE;

    return FALSE;
}

/* Setup this textures matrix according to the texture flags*/
/* GL locking is done by the caller (state handler) */
void set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords, BOOL transformed,
        WINED3DFORMAT vtx_fmt, BOOL ffp_proj_control)
{
    float mat[16];

    glMatrixMode(GL_TEXTURE);
    checkGLcall("glMatrixMode(GL_TEXTURE)");

    if (flags == WINED3DTTFF_DISABLE || flags == WINED3DTTFF_COUNT1 || transformed) {
        glLoadIdentity();
        checkGLcall("glLoadIdentity()");
        return;
    }

    if (flags == (WINED3DTTFF_COUNT1|WINED3DTTFF_PROJECTED)) {
        ERR("Invalid texture transform flags: WINED3DTTFF_COUNT1|WINED3DTTFF_PROJECTED\n");
        return;
    }

    memcpy(mat, smat, 16 * sizeof(float));

    if (flags & WINED3DTTFF_PROJECTED) {
        if(!ffp_proj_control) {
            switch (flags & ~WINED3DTTFF_PROJECTED) {
            case WINED3DTTFF_COUNT2:
                mat[3] = mat[1], mat[7] = mat[5], mat[11] = mat[9], mat[15] = mat[13];
                mat[1] = mat[5] = mat[9] = mat[13] = 0;
                break;
            case WINED3DTTFF_COUNT3:
                mat[3] = mat[2], mat[7] = mat[6], mat[11] = mat[10], mat[15] = mat[14];
                mat[2] = mat[6] = mat[10] = mat[14] = 0;
                break;
            }
        }
    } else { /* under directx the R/Z coord can be used for translation, under opengl we use the Q coord instead */
        if(!calculatedCoords) {
            switch(vtx_fmt)
            {
                case WINED3DFMT_R32_FLOAT:
                    /* Direct3D passes the default 1.0 in the 2nd coord, while gl passes it in the 4th.
                     * swap 2nd and 4th coord. No need to store the value of mat[12] in mat[4] because
                     * the input value to the transformation will be 0, so the matrix value is irrelevant
                     */
                    mat[12] = mat[4];
                    mat[13] = mat[5];
                    mat[14] = mat[6];
                    mat[15] = mat[7];
                    break;
                case WINED3DFMT_R32G32_FLOAT:
                    /* See above, just 3rd and 4th coord
                    */
                    mat[12] = mat[8];
                    mat[13] = mat[9];
                    mat[14] = mat[10];
                    mat[15] = mat[11];
                    break;
                case WINED3DFMT_R32G32B32_FLOAT: /* Opengl defaults match dx defaults */
                case WINED3DFMT_R32G32B32A32_FLOAT: /* No defaults apply, all app defined */

                /* This is to prevent swapping the matrix lines and put the default 4th coord = 1.0
                 * into a bad place. The division elimination below will apply to make sure the
                 * 1.0 doesn't do anything bad. The caller will set this value if the stride is 0
                 */
                case WINED3DFMT_UNKNOWN: /* No texture coords, 0/0/0/1 defaults are passed */
                    break;
                default:
                    FIXME("Unexpected fixed function texture coord input\n");
            }
        }
        if(!ffp_proj_control) {
            switch (flags & ~WINED3DTTFF_PROJECTED) {
                /* case WINED3DTTFF_COUNT1: Won't ever get here */
                case WINED3DTTFF_COUNT2: mat[2] = mat[6] = mat[10] = mat[14] = 0;
                /* OpenGL divides the first 3 vertex coord by the 4th by default,
                * which is essentially the same as D3DTTFF_PROJECTED. Make sure that
                * the 4th coord evaluates to 1.0 to eliminate that.
                *
                * If the fixed function pipeline is used, the 4th value remains unused,
                * so there is no danger in doing this. With vertex shaders we have a
                * problem. Should an app hit that problem, the code here would have to
                * check for pixel shaders, and the shader has to undo the default gl divide.
                *
                * A more serious problem occurs if the app passes 4 coordinates in, and the
                * 4th is != 1.0(opengl default). This would have to be fixed in drawStridedSlow
                * or a replacement shader
                */
                default: mat[3] = mat[7] = mat[11] = 0; mat[15] = 1;
            }
        }
    }

    glLoadMatrixf(mat);
    checkGLcall("glLoadMatrixf(mat)");
}

/* This small helper function is used to convert a bitmask into the number of masked bits */
unsigned int count_bits(unsigned int mask)
{
    unsigned int count;
    for (count = 0; mask; ++count)
    {
        mask &= mask - 1;
    }
    return count;
}

/* Helper function for retrieving color info for ChoosePixelFormat and wglChoosePixelFormatARB.
 * The later function requires individual color components. */
BOOL getColorBits(const struct wined3d_format_desc *format_desc,
        short *redSize, short *greenSize, short *blueSize, short *alphaSize, short *totalSize)
{
    TRACE("fmt: %s\n", debug_d3dformat(format_desc->format));
    switch(format_desc->format)
    {
        case WINED3DFMT_B8G8R8X8_UNORM:
        case WINED3DFMT_B8G8R8_UNORM:
        case WINED3DFMT_B8G8R8A8_UNORM:
        case WINED3DFMT_R8G8B8A8_UNORM:
        case WINED3DFMT_B10G10R10A2_UNORM:
        case WINED3DFMT_B5G5R5X1_UNORM:
        case WINED3DFMT_B5G5R5A1_UNORM:
        case WINED3DFMT_B5G6R5_UNORM:
        case WINED3DFMT_B4G4R4X4_UNORM:
        case WINED3DFMT_B4G4R4A4_UNORM:
        case WINED3DFMT_B2G3R3_UNORM:
        case WINED3DFMT_P8_UINT_A8_UNORM:
        case WINED3DFMT_P8_UINT:
            break;
        default:
            ERR("Unsupported format: %s\n", debug_d3dformat(format_desc->format));
            return FALSE;
    }

    *redSize = count_bits(format_desc->red_mask);
    *greenSize = count_bits(format_desc->green_mask);
    *blueSize = count_bits(format_desc->blue_mask);
    *alphaSize = count_bits(format_desc->alpha_mask);
    *totalSize = *redSize + *greenSize + *blueSize + *alphaSize;

    TRACE("Returning red:  %d, green: %d, blue: %d, alpha: %d, total: %d for fmt=%s\n",
            *redSize, *greenSize, *blueSize, *alphaSize, *totalSize, debug_d3dformat(format_desc->format));
    return TRUE;
}

/* Helper function for retrieving depth/stencil info for ChoosePixelFormat and wglChoosePixelFormatARB */
BOOL getDepthStencilBits(const struct wined3d_format_desc *format_desc, short *depthSize, short *stencilSize)
{
    TRACE("fmt: %s\n", debug_d3dformat(format_desc->format));
    switch(format_desc->format)
    {
        case WINED3DFMT_D16_LOCKABLE:
        case WINED3DFMT_D16_UNORM:
        case WINED3DFMT_S1_UINT_D15_UNORM:
        case WINED3DFMT_X8D24_UNORM:
        case WINED3DFMT_S4X4_UINT_D24_UNORM:
        case WINED3DFMT_D24_UNORM_S8_UINT:
        case WINED3DFMT_S8_UINT_D24_FLOAT:
        case WINED3DFMT_D32_UNORM:
        case WINED3DFMT_D32_FLOAT:
            break;
        default:
            FIXME("Unsupported stencil format: %s\n", debug_d3dformat(format_desc->format));
            return FALSE;
    }

    *depthSize = format_desc->depth_size;
    *stencilSize = format_desc->stencil_size;

    TRACE("Returning depthSize: %d and stencilSize: %d for fmt=%s\n",
            *depthSize, *stencilSize, debug_d3dformat(format_desc->format));
    return TRUE;
}

DWORD color_convert_argb_to_fmt(DWORD color, WINED3DFORMAT destfmt)
{
    unsigned int r, g, b, a;
    DWORD ret;

    if (destfmt == WINED3DFMT_B8G8R8A8_UNORM
            || destfmt == WINED3DFMT_B8G8R8X8_UNORM
            || destfmt == WINED3DFMT_B8G8R8_UNORM)
        return color;

    TRACE("Converting color %08x to format %s\n", color, debug_d3dformat(destfmt));

    a = (color & 0xff000000) >> 24;
    r = (color & 0x00ff0000) >> 16;
    g = (color & 0x0000ff00) >>  8;
    b = (color & 0x000000ff) >>  0;

    switch(destfmt)
    {
        case WINED3DFMT_B5G6R5_UNORM:
            if(r == 0xff && g == 0xff && b == 0xff) return 0xffff;
            r = (r * 32) / 256;
            g = (g * 64) / 256;
            b = (b * 32) / 256;
            ret  = r << 11;
            ret |= g << 5;
            ret |= b;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_B5G5R5X1_UNORM:
        case WINED3DFMT_B5G5R5A1_UNORM:
            a = (a *  2) / 256;
            r = (r * 32) / 256;
            g = (g * 32) / 256;
            b = (b * 32) / 256;
            ret  = a << 15;
            ret |= r << 10;
            ret |= g <<  5;
            ret |= b <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_A8_UNORM:
            TRACE("Returning %08x\n", a);
            return a;

        case WINED3DFMT_B4G4R4X4_UNORM:
        case WINED3DFMT_B4G4R4A4_UNORM:
            a = (a * 16) / 256;
            r = (r * 16) / 256;
            g = (g * 16) / 256;
            b = (b * 16) / 256;
            ret  = a << 12;
            ret |= r <<  8;
            ret |= g <<  4;
            ret |= b <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_B2G3R3_UNORM:
            r = (r * 8) / 256;
            g = (g * 8) / 256;
            b = (b * 4) / 256;
            ret  = r <<  5;
            ret |= g <<  2;
            ret |= b <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_R8G8B8X8_UNORM:
        case WINED3DFMT_R8G8B8A8_UNORM:
            ret  = a << 24;
            ret |= b << 16;
            ret |= g <<  8;
            ret |= r <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_B10G10R10A2_UNORM:
            a = (a *    4) / 256;
            r = (r * 1024) / 256;
            g = (g * 1024) / 256;
            b = (b * 1024) / 256;
            ret  = a << 30;
            ret |= r << 20;
            ret |= g << 10;
            ret |= b <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        case WINED3DFMT_R10G10B10A2_UNORM:
            a = (a *    4) / 256;
            r = (r * 1024) / 256;
            g = (g * 1024) / 256;
            b = (b * 1024) / 256;
            ret  = a << 30;
            ret |= b << 20;
            ret |= g << 10;
            ret |= r <<  0;
            TRACE("Returning %08x\n", ret);
            return ret;

        default:
            FIXME("Add a COLORFILL conversion for format %s\n", debug_d3dformat(destfmt));
            return 0;
    }
}

/* DirectDraw stuff */
WINED3DFORMAT pixelformat_for_depth(DWORD depth) {
    switch(depth) {
        case 8:  return WINED3DFMT_P8_UINT;
        case 15: return WINED3DFMT_B5G5R5X1_UNORM;
        case 16: return WINED3DFMT_B5G6R5_UNORM;
        case 24: return WINED3DFMT_B8G8R8X8_UNORM; /* Robots needs 24bit to be WINED3DFMT_B8G8R8X8_UNORM */
        case 32: return WINED3DFMT_B8G8R8X8_UNORM; /* EVE online and the Fur demo need 32bit AdapterDisplayMode to return WINED3DFMT_B8G8R8X8_UNORM */
        default: return WINED3DFMT_UNKNOWN;
    }
}

void multiply_matrix(WINED3DMATRIX *dest, const WINED3DMATRIX *src1, const WINED3DMATRIX *src2) {
    WINED3DMATRIX temp;

    /* Now do the multiplication 'by hand'.
       I know that all this could be optimised, but this will be done later :-) */
    temp.u.s._11 = (src1->u.s._11 * src2->u.s._11) + (src1->u.s._21 * src2->u.s._12) + (src1->u.s._31 * src2->u.s._13) + (src1->u.s._41 * src2->u.s._14);
    temp.u.s._21 = (src1->u.s._11 * src2->u.s._21) + (src1->u.s._21 * src2->u.s._22) + (src1->u.s._31 * src2->u.s._23) + (src1->u.s._41 * src2->u.s._24);
    temp.u.s._31 = (src1->u.s._11 * src2->u.s._31) + (src1->u.s._21 * src2->u.s._32) + (src1->u.s._31 * src2->u.s._33) + (src1->u.s._41 * src2->u.s._34);
    temp.u.s._41 = (src1->u.s._11 * src2->u.s._41) + (src1->u.s._21 * src2->u.s._42) + (src1->u.s._31 * src2->u.s._43) + (src1->u.s._41 * src2->u.s._44);

    temp.u.s._12 = (src1->u.s._12 * src2->u.s._11) + (src1->u.s._22 * src2->u.s._12) + (src1->u.s._32 * src2->u.s._13) + (src1->u.s._42 * src2->u.s._14);
    temp.u.s._22 = (src1->u.s._12 * src2->u.s._21) + (src1->u.s._22 * src2->u.s._22) + (src1->u.s._32 * src2->u.s._23) + (src1->u.s._42 * src2->u.s._24);
    temp.u.s._32 = (src1->u.s._12 * src2->u.s._31) + (src1->u.s._22 * src2->u.s._32) + (src1->u.s._32 * src2->u.s._33) + (src1->u.s._42 * src2->u.s._34);
    temp.u.s._42 = (src1->u.s._12 * src2->u.s._41) + (src1->u.s._22 * src2->u.s._42) + (src1->u.s._32 * src2->u.s._43) + (src1->u.s._42 * src2->u.s._44);

    temp.u.s._13 = (src1->u.s._13 * src2->u.s._11) + (src1->u.s._23 * src2->u.s._12) + (src1->u.s._33 * src2->u.s._13) + (src1->u.s._43 * src2->u.s._14);
    temp.u.s._23 = (src1->u.s._13 * src2->u.s._21) + (src1->u.s._23 * src2->u.s._22) + (src1->u.s._33 * src2->u.s._23) + (src1->u.s._43 * src2->u.s._24);
    temp.u.s._33 = (src1->u.s._13 * src2->u.s._31) + (src1->u.s._23 * src2->u.s._32) + (src1->u.s._33 * src2->u.s._33) + (src1->u.s._43 * src2->u.s._34);
    temp.u.s._43 = (src1->u.s._13 * src2->u.s._41) + (src1->u.s._23 * src2->u.s._42) + (src1->u.s._33 * src2->u.s._43) + (src1->u.s._43 * src2->u.s._44);

    temp.u.s._14 = (src1->u.s._14 * src2->u.s._11) + (src1->u.s._24 * src2->u.s._12) + (src1->u.s._34 * src2->u.s._13) + (src1->u.s._44 * src2->u.s._14);
    temp.u.s._24 = (src1->u.s._14 * src2->u.s._21) + (src1->u.s._24 * src2->u.s._22) + (src1->u.s._34 * src2->u.s._23) + (src1->u.s._44 * src2->u.s._24);
    temp.u.s._34 = (src1->u.s._14 * src2->u.s._31) + (src1->u.s._24 * src2->u.s._32) + (src1->u.s._34 * src2->u.s._33) + (src1->u.s._44 * src2->u.s._34);
    temp.u.s._44 = (src1->u.s._14 * src2->u.s._41) + (src1->u.s._24 * src2->u.s._42) + (src1->u.s._34 * src2->u.s._43) + (src1->u.s._44 * src2->u.s._44);

    /* And copy the new matrix in the good storage.. */
    memcpy(dest, &temp, 16 * sizeof(float));
}

DWORD get_flexible_vertex_size(DWORD d3dvtVertexType) {
    DWORD size = 0;
    int i;
    int numTextures = (d3dvtVertexType & WINED3DFVF_TEXCOUNT_MASK) >> WINED3DFVF_TEXCOUNT_SHIFT;

    if (d3dvtVertexType & WINED3DFVF_NORMAL) size += 3 * sizeof(float);
    if (d3dvtVertexType & WINED3DFVF_DIFFUSE) size += sizeof(DWORD);
    if (d3dvtVertexType & WINED3DFVF_SPECULAR) size += sizeof(DWORD);
    if (d3dvtVertexType & WINED3DFVF_PSIZE) size += sizeof(DWORD);
    switch (d3dvtVertexType & WINED3DFVF_POSITION_MASK) {
        case WINED3DFVF_XYZ:    size += 3 * sizeof(float); break;
        case WINED3DFVF_XYZRHW: size += 4 * sizeof(float); break;
        case WINED3DFVF_XYZB1:  size += 4 * sizeof(float); break;
        case WINED3DFVF_XYZB2:  size += 5 * sizeof(float); break;
        case WINED3DFVF_XYZB3:  size += 6 * sizeof(float); break;
        case WINED3DFVF_XYZB4:  size += 7 * sizeof(float); break;
        case WINED3DFVF_XYZB5:  size += 8 * sizeof(float); break;
        case WINED3DFVF_XYZW:   size += 4 * sizeof(float); break;
        default: ERR("Unexpected position mask\n");
    }
    for (i = 0; i < numTextures; i++) {
        size += GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, i) * sizeof(float);
    }

    return size;
}

void gen_ffp_frag_op(IWineD3DStateBlockImpl *stateblock, struct ffp_frag_settings *settings, BOOL ignore_textype) {
#define ARG1 0x01
#define ARG2 0x02
#define ARG0 0x04
    static const unsigned char args[WINED3DTOP_LERP + 1] = {
        /* undefined                        */  0,
        /* D3DTOP_DISABLE                   */  0,
        /* D3DTOP_SELECTARG1                */  ARG1,
        /* D3DTOP_SELECTARG2                */  ARG2,
        /* D3DTOP_MODULATE                  */  ARG1 | ARG2,
        /* D3DTOP_MODULATE2X                */  ARG1 | ARG2,
        /* D3DTOP_MODULATE4X                */  ARG1 | ARG2,
        /* D3DTOP_ADD                       */  ARG1 | ARG2,
        /* D3DTOP_ADDSIGNED                 */  ARG1 | ARG2,
        /* D3DTOP_ADDSIGNED2X               */  ARG1 | ARG2,
        /* D3DTOP_SUBTRACT                  */  ARG1 | ARG2,
        /* D3DTOP_ADDSMOOTH                 */  ARG1 | ARG2,
        /* D3DTOP_BLENDDIFFUSEALPHA         */  ARG1 | ARG2,
        /* D3DTOP_BLENDTEXTUREALPHA         */  ARG1 | ARG2,
        /* D3DTOP_BLENDFACTORALPHA          */  ARG1 | ARG2,
        /* D3DTOP_BLENDTEXTUREALPHAPM       */  ARG1 | ARG2,
        /* D3DTOP_BLENDCURRENTALPHA         */  ARG1 | ARG2,
        /* D3DTOP_PREMODULATE               */  ARG1 | ARG2,
        /* D3DTOP_MODULATEALPHA_ADDCOLOR    */  ARG1 | ARG2,
        /* D3DTOP_MODULATECOLOR_ADDALPHA    */  ARG1 | ARG2,
        /* D3DTOP_MODULATEINVALPHA_ADDCOLOR */  ARG1 | ARG2,
        /* D3DTOP_MODULATEINVCOLOR_ADDALPHA */  ARG1 | ARG2,
        /* D3DTOP_BUMPENVMAP                */  ARG1 | ARG2,
        /* D3DTOP_BUMPENVMAPLUMINANCE       */  ARG1 | ARG2,
        /* D3DTOP_DOTPRODUCT3               */  ARG1 | ARG2,
        /* D3DTOP_MULTIPLYADD               */  ARG1 | ARG2 | ARG0,
        /* D3DTOP_LERP                      */  ARG1 | ARG2 | ARG0
    };
    unsigned int i;
    DWORD ttff;
    DWORD cop, aop, carg0, carg1, carg2, aarg0, aarg1, aarg2;
    IWineD3DDeviceImpl *device = stateblock->device;
    const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;

    for (i = 0; i < gl_info->limits.texture_stages; ++i)
    {
        IWineD3DBaseTextureImpl *texture;
        settings->op[i].padding = 0;
        if(stateblock->textureState[i][WINED3DTSS_COLOROP] == WINED3DTOP_DISABLE) {
            settings->op[i].cop = WINED3DTOP_DISABLE;
            settings->op[i].aop = WINED3DTOP_DISABLE;
            settings->op[i].carg0 = settings->op[i].carg1 = settings->op[i].carg2 = ARG_UNUSED;
            settings->op[i].aarg0 = settings->op[i].aarg1 = settings->op[i].aarg2 = ARG_UNUSED;
            settings->op[i].color_fixup = COLOR_FIXUP_IDENTITY;
            settings->op[i].dst = resultreg;
            settings->op[i].tex_type = tex_1d;
            settings->op[i].projected = proj_none;
            i++;
            break;
        }

        texture = (IWineD3DBaseTextureImpl *) stateblock->textures[i];
        if(texture) {
            settings->op[i].color_fixup = texture->resource.format_desc->color_fixup;
            if(ignore_textype) {
                settings->op[i].tex_type = tex_1d;
            } else {
                switch (IWineD3DBaseTexture_GetTextureDimensions((IWineD3DBaseTexture *)texture)) {
                    case GL_TEXTURE_1D:
                        settings->op[i].tex_type = tex_1d;
                        break;
                    case GL_TEXTURE_2D:
                        settings->op[i].tex_type = tex_2d;
                        break;
                    case GL_TEXTURE_3D:
                        settings->op[i].tex_type = tex_3d;
                        break;
                    case GL_TEXTURE_CUBE_MAP_ARB:
                        settings->op[i].tex_type = tex_cube;
                        break;
                    case GL_TEXTURE_RECTANGLE_ARB:
                        settings->op[i].tex_type = tex_rect;
                        break;
                }
            }
        } else {
            settings->op[i].color_fixup = COLOR_FIXUP_IDENTITY;
            settings->op[i].tex_type = tex_1d;
        }

        cop = stateblock->textureState[i][WINED3DTSS_COLOROP];
        aop = stateblock->textureState[i][WINED3DTSS_ALPHAOP];

        carg1 = (args[cop] & ARG1) ? stateblock->textureState[i][WINED3DTSS_COLORARG1] : ARG_UNUSED;
        carg2 = (args[cop] & ARG2) ? stateblock->textureState[i][WINED3DTSS_COLORARG2] : ARG_UNUSED;
        carg0 = (args[cop] & ARG0) ? stateblock->textureState[i][WINED3DTSS_COLORARG0] : ARG_UNUSED;

        if(is_invalid_op(device, i, cop, carg1, carg2, carg0)) {
            carg0 = ARG_UNUSED;
            carg2 = ARG_UNUSED;
            carg1 = WINED3DTA_CURRENT;
            cop = WINED3DTOP_SELECTARG1;
        }

        if(cop == WINED3DTOP_DOTPRODUCT3) {
            /* A dotproduct3 on the colorop overwrites the alphaop operation and replicates
             * the color result to the alpha component of the destination
             */
            aop = cop;
            aarg1 = carg1;
            aarg2 = carg2;
            aarg0 = carg0;
        } else {
            aarg1 = (args[aop] & ARG1) ? stateblock->textureState[i][WINED3DTSS_ALPHAARG1] : ARG_UNUSED;
            aarg2 = (args[aop] & ARG2) ? stateblock->textureState[i][WINED3DTSS_ALPHAARG2] : ARG_UNUSED;
            aarg0 = (args[aop] & ARG0) ? stateblock->textureState[i][WINED3DTSS_ALPHAARG0] : ARG_UNUSED;
        }

        if (i == 0 && stateblock->textures[0] && stateblock->renderState[WINED3DRS_COLORKEYENABLE])
        {
            UINT texture_dimensions = IWineD3DBaseTexture_GetTextureDimensions(stateblock->textures[0]);

            if (texture_dimensions == GL_TEXTURE_2D || texture_dimensions == GL_TEXTURE_RECTANGLE_ARB)
            {
                IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)stateblock->textures[0];
                IWineD3DSurfaceImpl *surf = (IWineD3DSurfaceImpl *)texture->baseTexture.sub_resources[0];

                if (surf->CKeyFlags & WINEDDSD_CKSRCBLT && !surf->resource.format_desc->alpha_mask)
                {
                    if (aop == WINED3DTOP_DISABLE)
                    {
                       aarg1 = WINED3DTA_TEXTURE;
                       aop = WINED3DTOP_SELECTARG1;
                    }
                    else if (aop == WINED3DTOP_SELECTARG1 && aarg1 != WINED3DTA_TEXTURE)
                    {
                        if (stateblock->renderState[WINED3DRS_ALPHABLENDENABLE])
                        {
                            aarg2 = WINED3DTA_TEXTURE;
                            aop = WINED3DTOP_MODULATE;
                        }
                        else aarg1 = WINED3DTA_TEXTURE;
                    }
                    else if (aop == WINED3DTOP_SELECTARG2 && aarg2 != WINED3DTA_TEXTURE)
                    {
                        if (stateblock->renderState[WINED3DRS_ALPHABLENDENABLE])
                        {
                            aarg1 = WINED3DTA_TEXTURE;
                            aop = WINED3DTOP_MODULATE;
                        }
                        else aarg2 = WINED3DTA_TEXTURE;
                    }
                }
            }
        }

        if(is_invalid_op(device, i, aop, aarg1, aarg2, aarg0)) {
               aarg0 = ARG_UNUSED;
               aarg2 = ARG_UNUSED;
               aarg1 = WINED3DTA_CURRENT;
               aop = WINED3DTOP_SELECTARG1;
        }

        if(carg1 == WINED3DTA_TEXTURE || carg2 == WINED3DTA_TEXTURE || carg0 == WINED3DTA_TEXTURE ||
           aarg1 == WINED3DTA_TEXTURE || aarg2 == WINED3DTA_TEXTURE || aarg0 == WINED3DTA_TEXTURE) {
            ttff = stateblock->textureState[i][WINED3DTSS_TEXTURETRANSFORMFLAGS];
            if(ttff == (WINED3DTTFF_PROJECTED | WINED3DTTFF_COUNT3)) {
                settings->op[i].projected = proj_count3;
            } else if(ttff == (WINED3DTTFF_PROJECTED | WINED3DTTFF_COUNT4)) {
                settings->op[i].projected = proj_count4;
            } else {
                settings->op[i].projected = proj_none;
            }
        } else {
            settings->op[i].projected = proj_none;
        }

        settings->op[i].cop = cop;
        settings->op[i].aop = aop;
        settings->op[i].carg0 = carg0;
        settings->op[i].carg1 = carg1;
        settings->op[i].carg2 = carg2;
        settings->op[i].aarg0 = aarg0;
        settings->op[i].aarg1 = aarg1;
        settings->op[i].aarg2 = aarg2;

        if(stateblock->textureState[i][WINED3DTSS_RESULTARG] == WINED3DTA_TEMP) {
            settings->op[i].dst = tempreg;
        } else {
            settings->op[i].dst = resultreg;
        }
    }

    /* Clear unsupported stages */
    for(; i < MAX_TEXTURES; i++) {
        memset(&settings->op[i], 0xff, sizeof(settings->op[i]));
    }

    if(stateblock->renderState[WINED3DRS_FOGENABLE] == FALSE) {
        settings->fog = FOG_OFF;
    } else if(stateblock->renderState[WINED3DRS_FOGTABLEMODE] == WINED3DFOG_NONE) {
        if(use_vs(stateblock) || ((IWineD3DVertexDeclarationImpl *) stateblock->vertexDecl)->position_transformed) {
            settings->fog = FOG_LINEAR;
        } else {
            switch(stateblock->renderState[WINED3DRS_FOGVERTEXMODE]) {
                case WINED3DFOG_NONE:
                case WINED3DFOG_LINEAR:
                    settings->fog = FOG_LINEAR;
                    break;
                case WINED3DFOG_EXP:
                    settings->fog = FOG_EXP;
                    break;
                case WINED3DFOG_EXP2:
                    settings->fog = FOG_EXP2;
                    break;
            }
        }
    } else {
        switch(stateblock->renderState[WINED3DRS_FOGTABLEMODE]) {
            case WINED3DFOG_LINEAR:
                settings->fog = FOG_LINEAR;
                break;
            case WINED3DFOG_EXP:
                settings->fog = FOG_EXP;
                break;
            case WINED3DFOG_EXP2:
                settings->fog = FOG_EXP2;
                break;
        }
    }
    if(stateblock->renderState[WINED3DRS_SRGBWRITEENABLE]) {
        settings->sRGB_write = 1;
    } else {
        settings->sRGB_write = 0;
    }
    if(device->vs_clipping || !use_vs(stateblock) || !stateblock->renderState[WINED3DRS_CLIPPING] ||
       !stateblock->renderState[WINED3DRS_CLIPPLANEENABLE]) {
        /* No need to emulate clipplanes if GL supports native vertex shader clipping or if
         * the fixed function vertex pipeline is used(which always supports clipplanes), or
         * if no clipplane is enabled
         */
        settings->emul_clipplanes = 0;
    } else {
        settings->emul_clipplanes = 1;
    }
}

const struct ffp_frag_desc *find_ffp_frag_shader(const struct wine_rb_tree *fragment_shaders,
        const struct ffp_frag_settings *settings)
{
    struct wine_rb_entry *entry = wine_rb_get(fragment_shaders, settings);
    return entry ? WINE_RB_ENTRY_VALUE(entry, struct ffp_frag_desc, entry) : NULL;
}

void add_ffp_frag_shader(struct wine_rb_tree *shaders, struct ffp_frag_desc *desc)
{
    /* Note that the key is the implementation independent part of the ffp_frag_desc structure,
     * whereas desc points to an extended structure with implementation specific parts. */
    if (wine_rb_put(shaders, &desc->settings, &desc->entry) == -1)
    {
        ERR("Failed to insert ffp frag shader.\n");
    }
}

/* Activates the texture dimension according to the bound D3D texture.
 * Does not care for the colorop or correct gl texture unit(when using nvrc)
 * Requires the caller to activate the correct unit before
 */
/* GL locking is done by the caller (state handler) */
void texture_activate_dimensions(DWORD stage, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
{
    const struct wined3d_gl_info *gl_info = context->gl_info;

    if (stateblock->textures[stage])
    {
        switch (IWineD3DBaseTexture_GetTextureDimensions(stateblock->textures[stage])) {
            case GL_TEXTURE_2D:
                glDisable(GL_TEXTURE_3D);
                checkGLcall("glDisable(GL_TEXTURE_3D)");
                if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
                {
                    glDisable(GL_TEXTURE_CUBE_MAP_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_CUBE_MAP_ARB)");
                }
                if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
                {
                    glDisable(GL_TEXTURE_RECTANGLE_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_RECTANGLE_ARB)");
                }
                glEnable(GL_TEXTURE_2D);
                checkGLcall("glEnable(GL_TEXTURE_2D)");
                break;
            case GL_TEXTURE_RECTANGLE_ARB:
                glDisable(GL_TEXTURE_2D);
                checkGLcall("glDisable(GL_TEXTURE_2D)");
                glDisable(GL_TEXTURE_3D);
                checkGLcall("glDisable(GL_TEXTURE_3D)");
                if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
                {
                    glDisable(GL_TEXTURE_CUBE_MAP_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_CUBE_MAP_ARB)");
                }
                glEnable(GL_TEXTURE_RECTANGLE_ARB);
                checkGLcall("glEnable(GL_TEXTURE_RECTANGLE_ARB)");
                break;
            case GL_TEXTURE_3D:
                if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
                {
                    glDisable(GL_TEXTURE_CUBE_MAP_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_CUBE_MAP_ARB)");
                }
                if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
                {
                    glDisable(GL_TEXTURE_RECTANGLE_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_RECTANGLE_ARB)");
                }
                glDisable(GL_TEXTURE_2D);
                checkGLcall("glDisable(GL_TEXTURE_2D)");
                glEnable(GL_TEXTURE_3D);
                checkGLcall("glEnable(GL_TEXTURE_3D)");
                break;
            case GL_TEXTURE_CUBE_MAP_ARB:
                glDisable(GL_TEXTURE_2D);
                checkGLcall("glDisable(GL_TEXTURE_2D)");
                glDisable(GL_TEXTURE_3D);
                checkGLcall("glDisable(GL_TEXTURE_3D)");
                if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
                {
                    glDisable(GL_TEXTURE_RECTANGLE_ARB);
                    checkGLcall("glDisable(GL_TEXTURE_RECTANGLE_ARB)");
                }
                glEnable(GL_TEXTURE_CUBE_MAP_ARB);
                checkGLcall("glEnable(GL_TEXTURE_CUBE_MAP_ARB)");
              break;
        }
    } else {
        glEnable(GL_TEXTURE_2D);
        checkGLcall("glEnable(GL_TEXTURE_2D)");
        glDisable(GL_TEXTURE_3D);
        checkGLcall("glDisable(GL_TEXTURE_3D)");
        if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
        {
            glDisable(GL_TEXTURE_CUBE_MAP_ARB);
            checkGLcall("glDisable(GL_TEXTURE_CUBE_MAP_ARB)");
        }
        if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
        {
            glDisable(GL_TEXTURE_RECTANGLE_ARB);
            checkGLcall("glDisable(GL_TEXTURE_RECTANGLE_ARB)");
        }
        /* Binding textures is done by samplers. A dummy texture will be bound */
    }
}

/* GL locking is done by the caller (state handler) */
void sampler_texdim(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
{
    DWORD sampler = state - STATE_SAMPLER(0);
    DWORD mapped_stage = stateblock->device->texUnitMap[sampler];

    /* No need to enable / disable anything here for unused samplers. The tex_colorop
    * handler takes care. Also no action is needed with pixel shaders, or if tex_colorop
    * will take care of this business
    */
    if (mapped_stage == WINED3D_UNMAPPED_STAGE || mapped_stage >= context->gl_info->limits.textures) return;
    if(sampler >= stateblock->lowest_disabled_stage) return;
    if(isStateDirty(context, STATE_TEXTURESTAGE(sampler, WINED3DTSS_COLOROP))) return;

    texture_activate_dimensions(sampler, stateblock, context);
}

void *wined3d_rb_alloc(size_t size)
{
    return HeapAlloc(GetProcessHeap(), 0, size);
}

void *wined3d_rb_realloc(void *ptr, size_t size)
{
    return HeapReAlloc(GetProcessHeap(), 0, ptr, size);
}

void wined3d_rb_free(void *ptr)
{
    HeapFree(GetProcessHeap(), 0, ptr);
}

static int ffp_frag_program_key_compare(const void *key, const struct wine_rb_entry *entry)
{
    const struct ffp_frag_settings *ka = key;
    const struct ffp_frag_settings *kb = &WINE_RB_ENTRY_VALUE(entry, const struct ffp_frag_desc, entry)->settings;

    return memcmp(ka, kb, sizeof(*ka));
}

const struct wine_rb_functions wined3d_ffp_frag_program_rb_functions =
{
    wined3d_rb_alloc,
    wined3d_rb_realloc,
    wined3d_rb_free,
    ffp_frag_program_key_compare,
};

UINT wined3d_log2i(UINT32 x)
{
    static const UINT l[] =
    {
        ~0U, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
          4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
          5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
          5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    };
    UINT32 i;

    return (i = x >> 16) ? (x = i >> 8) ? l[x] + 24 : l[i] + 16 : (i = x >> 8) ? l[i] + 8 : l[x];
}

/* Set the shader type for this device, depending on the given capabilities
 * and the user preferences in wined3d_settings. */
void select_shader_mode(const struct wined3d_gl_info *gl_info, int *ps_selected, int *vs_selected)
{
    BOOL glsl = wined3d_settings.glslRequested && gl_info->glsl_version >= MAKEDWORD_VERSION(1, 20);

    if (wined3d_settings.vs_mode == VS_NONE) *vs_selected = SHADER_NONE;
    else if (gl_info->supported[ARB_VERTEX_SHADER] && glsl)
    {
        /* Geforce4 cards support GLSL but for vertex shaders only. Further its reported GLSL caps are
         * wrong. This combined with the fact that glsl won't offer more features or performance, use ARB
         * shaders only on this card. */
        if (gl_info->supported[NV_VERTEX_PROGRAM] && !gl_info->supported[NV_VERTEX_PROGRAM2]) *vs_selected = SHADER_ARB;
        else *vs_selected = SHADER_GLSL;
    }
    else if (gl_info->supported[ARB_VERTEX_PROGRAM]) *vs_selected = SHADER_ARB;
    else *vs_selected = SHADER_NONE;

    if (wined3d_settings.ps_mode == PS_NONE) *ps_selected = SHADER_NONE;
    else if (gl_info->supported[ARB_FRAGMENT_SHADER] && glsl) *ps_selected = SHADER_GLSL;
    else if (gl_info->supported[ARB_FRAGMENT_PROGRAM]) *ps_selected = SHADER_ARB;
    else if (gl_info->supported[ATI_FRAGMENT_SHADER]) *ps_selected = SHADER_ATI;
    else *ps_selected = SHADER_NONE;
}