dlls/wined3d/wined3d_private.h

/*
 * Direct3D wine internal private include file
 *
 * Copyright 2002-2003 The wine-d3d team
 * Copyright 2002-2003 Raphael Junqueira
 * Copyright 2004 Jason Edmeades
 * Copyright 2005 Oliver Stieber
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __WINE_WINED3D_PRIVATE_H
#define __WINE_WINED3D_PRIVATE_H

#include <stdarg.h>
#include <math.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "wine/unicode.h"

#include "d3d9.h"
#include "d3d9types.h"
#include "wine/wined3d_interface.h"
#include "wine/wined3d_gl.h"

/* Device caps */
#define MAX_PALETTES      256
#define MAX_STREAMS       16
#define MAX_TEXTURES      8
#define MAX_SAMPLERS      16
#define MAX_ACTIVE_LIGHTS 8
#define MAX_CLIPPLANES    D3DMAXUSERCLIPPLANES
#define MAX_LEVELS        256

#define MAX_VSHADER_CONSTANTS 96
#define MAX_PSHADER_CONSTANTS 32

/* Used for CreateStateBlock */
#define NUM_SAVEDPIXELSTATES_R     35
#define NUM_SAVEDPIXELSTATES_T     18
#define NUM_SAVEDPIXELSTATES_S     12
#define NUM_SAVEDVERTEXSTATES_R    31
#define NUM_SAVEDVERTEXSTATES_T    2
#define NUM_SAVEDVERTEXSTATES_S    1

extern const DWORD SavedPixelStates_R[NUM_SAVEDPIXELSTATES_R];
extern const DWORD SavedPixelStates_T[NUM_SAVEDPIXELSTATES_T];
extern const DWORD SavedPixelStates_S[NUM_SAVEDPIXELSTATES_S];
extern const DWORD SavedVertexStates_R[NUM_SAVEDVERTEXSTATES_R];
extern const DWORD SavedVertexStates_T[NUM_SAVEDVERTEXSTATES_T];
extern const DWORD SavedVertexStates_S[NUM_SAVEDVERTEXSTATES_S];

typedef enum _WINELOOKUP {
    WINELOOKUP_WARPPARAM = 0,
    WINELOOKUP_MAGFILTER = 1,
    MAX_LOOKUPS          = 2
} WINELOOKUP;

extern int minLookup[MAX_LOOKUPS];
extern int maxLookup[MAX_LOOKUPS];
extern DWORD *stateLookup[MAX_LOOKUPS];

extern DWORD minMipLookup[D3DTEXF_ANISOTROPIC + 1][D3DTEXF_LINEAR + 1];

/* NOTE: Make sure these are in the correct numerical order. (see /include/d3d9types.h typedef enum _D3DDECLTYPE) */
UINT static const glTypeLookup[D3DDECLTYPE_UNUSED][5] = {
                                  {D3DDECLTYPE_FLOAT1,    1, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {D3DDECLTYPE_FLOAT2,    2, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {D3DDECLTYPE_FLOAT3,    3, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {D3DDECLTYPE_FLOAT4,    4, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {D3DDECLTYPE_D3DCOLOR,  4, GL_UNSIGNED_BYTE   , GL_TRUE  ,sizeof(BYTE)},
                                  {D3DDECLTYPE_UBYTE4,    4, GL_UNSIGNED_BYTE   , GL_FALSE ,sizeof(BYTE)},
                                  {D3DDECLTYPE_SHORT2,    2, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_SHORT4,    4, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_UBYTE4N,   4, GL_UNSIGNED_BYTE   , GL_FALSE ,sizeof(BYTE)},
                                  {D3DDECLTYPE_SHORT2N,   2, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_SHORT4N,   4, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_USHORT2N,  2, GL_UNSIGNED_SHORT  , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_USHORT4N,  4, GL_UNSIGNED_SHORT  , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_UDEC3,     3, GL_UNSIGNED_SHORT  , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_DEC3N,     3, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_FLOAT16_2, 2, GL_FLOAT           , GL_FALSE ,sizeof(short int)},
                                  {D3DDECLTYPE_FLOAT16_4, 4, GL_FLOAT           , GL_FALSE ,sizeof(short int)}};

#define WINED3D_ATR_TYPE(_attribute)          glTypeLookup[sd->u.s._attribute.dwType][0]
#define WINED3D_ATR_SIZE(_attribute)          glTypeLookup[sd->u.s._attribute.dwType][1]
#define WINED3D_ATR_GLTYPE(_attribute)        glTypeLookup[sd->u.s._attribute.dwType][2]
#define WINED3D_ATR_NORMALIZED(_attribute)    glTypeLookup[sd->u.s._attribute.dwType][3]
#define WINED3D_ATR_TYPESIZE(_attribute)      glTypeLookup[sd->u.s._attribute.dwType][4]

/**
 * Settings 
 */
#define VS_NONE 0
#define VS_HW   1
#define VS_SW   2

#define PS_NONE 0
#define PS_HW   1

#define VBO_NONE 0
#define VBO_HW   1

typedef struct wined3d_settings_s {
/* vertex and pixel shader modes */
  int vs_mode;
  int ps_mode;
  int vbo_mode;
} wined3d_settings_t;

extern wined3d_settings_t wined3d_settings;

/* X11 locking */

extern void (*wine_tsx11_lock_ptr)(void);
extern void (*wine_tsx11_unlock_ptr)(void);

/* As GLX relies on X, this is needed */
extern int num_lock;

#if 0
#define ENTER_GL() ++num_lock; if (num_lock > 1) FIXME("Recursive use of GL lock to: %d\n", num_lock); wine_tsx11_lock_ptr()
#define LEAVE_GL() if (num_lock != 1) FIXME("Recursive use of GL lock: %d\n", num_lock); --num_lock; wine_tsx11_unlock_ptr()
#else
#define ENTER_GL() wine_tsx11_lock_ptr()
#define LEAVE_GL() wine_tsx11_unlock_ptr()
#endif

/*****************************************************************************
 * Defines
 */

/* GL related defines */
/* ------------------ */
#define GL_SUPPORT(ExtName)           (GLINFO_LOCATION.supported[ExtName] != 0)
#define GL_LIMITS(ExtName)            (GLINFO_LOCATION.max_##ExtName)
#define GL_EXTCALL(FuncName)          (GLINFO_LOCATION.FuncName)
#define GL_VEND(_VendName)            (GLINFO_LOCATION.gl_vendor == VENDOR_##_VendName ? TRUE : FALSE)

#define D3DCOLOR_R(dw) (((float) (((dw) >> 16) & 0xFF)) / 255.0f)
#define D3DCOLOR_G(dw) (((float) (((dw) >>  8) & 0xFF)) / 255.0f)
#define D3DCOLOR_B(dw) (((float) (((dw) >>  0) & 0xFF)) / 255.0f)
#define D3DCOLOR_A(dw) (((float) (((dw) >> 24) & 0xFF)) / 255.0f)

#define D3DCOLORTOGLFLOAT4(dw, vec) \
  (vec)[0] = D3DCOLOR_R(dw); \
  (vec)[1] = D3DCOLOR_G(dw); \
  (vec)[2] = D3DCOLOR_B(dw); \
  (vec)[3] = D3DCOLOR_A(dw);
  
/* Note: The following is purely to keep the source code as clear from #ifdefs as possible */
#if defined(GL_VERSION_1_3)
#define GLACTIVETEXTURE(textureNo)                          \
            glActiveTexture(GL_TEXTURE0 + textureNo);       \
            checkGLcall("glActiveTexture");      
#define GLCLIENTACTIVETEXTURE(textureNo)                    \
            glClientActiveTexture(GL_TEXTURE0 + textureNo);
#define GLMULTITEXCOORD1F(a,b)                              \
            glMultiTexCoord1f(GL_TEXTURE0 + a, b);
#define GLMULTITEXCOORD2F(a,b,c)                            \
            glMultiTexCoord2f(GL_TEXTURE0 + a, b, c);
#define GLMULTITEXCOORD3F(a,b,c,d)                          \
            glMultiTexCoord3f(GL_TEXTURE0 + a, b, c, d);
#define GLMULTITEXCOORD4F(a,b,c,d,e)                        \
            glMultiTexCoord4f(GL_TEXTURE0 + a, b, c, d, e);
#define GLTEXTURECUBEMAP GL_TEXTURE_CUBE_MAP
#else 
#define GLACTIVETEXTURE(textureNo)                             \
            glActiveTextureARB(GL_TEXTURE0_ARB + textureNo);   \
            checkGLcall("glActiveTextureARB");
#define GLCLIENTACTIVETEXTURE(textureNo)                    \
            glClientActiveTextureARB(GL_TEXTURE0_ARB + textureNo);
#define GLMULTITEXCOORD1F(a,b)                                 \
            glMultiTexCoord1fARB(GL_TEXTURE0_ARB + a, b);
#define GLMULTITEXCOORD2F(a,b,c)                               \
            glMultiTexCoord2fARB(GL_TEXTURE0_ARB + a, b, c);
#define GLMULTITEXCOORD3F(a,b,c,d)                             \
            glMultiTexCoord3fARB(GL_TEXTURE0_ARB + a, b, c, d);
#define GLMULTITEXCOORD4F(a,b,c,d,e)                           \
            glMultiTexCoord4fARB(GL_TEXTURE0_ARB + a, b, c, d, e);
#define GLTEXTURECUBEMAP GL_TEXTURE_CUBE_MAP_ARB
#endif

/* DirectX Device Limits */
/* --------------------- */
#define MAX_LEVELS  256  /* Maximum number of mipmap levels. Guessed at 256 */

#define MAX_STREAMS  16  /* Maximum possible streams - used for fixed size arrays
                            See MaxStreams in MSDN under GetDeviceCaps */
                         /* Maximum number of constants provided to the shaders */
#define HIGHEST_TRANSFORMSTATE 512 
                         /* Highest value in D3DTRANSFORMSTATETYPE */
#define MAX_CLIPPLANES  D3DMAXUSERCLIPPLANES

#define MAX_PALETTES      256

/* Checking of API calls */
/* --------------------- */
#define checkGLcall(A) \
{ \
    GLint err = glGetError();   \
    if (err != GL_NO_ERROR) { \
       FIXME(">>>>>>>>>>>>>>>>> %x from %s @ %s / %d\n", err, A, __FILE__, __LINE__); \
    } else { \
       TRACE("%s call ok %s / %d\n", A, __FILE__, __LINE__); \
    } \
}

/* Trace routines / diagnostics */
/* ---------------------------- */

/* Dump out a matrix and copy it */
#define conv_mat(mat,gl_mat)                                                                \
do {                                                                                        \
    TRACE("%f %f %f %f\n", (mat)->u.s._11, (mat)->u.s._12, (mat)->u.s._13, (mat)->u.s._14); \
    TRACE("%f %f %f %f\n", (mat)->u.s._21, (mat)->u.s._22, (mat)->u.s._23, (mat)->u.s._24); \
    TRACE("%f %f %f %f\n", (mat)->u.s._31, (mat)->u.s._32, (mat)->u.s._33, (mat)->u.s._34); \
    TRACE("%f %f %f %f\n", (mat)->u.s._41, (mat)->u.s._42, (mat)->u.s._43, (mat)->u.s._44); \
    memcpy(gl_mat, (mat), 16 * sizeof(float));                                              \
} while (0)

/* Macro to dump out the current state of the light chain */
#define DUMP_LIGHT_CHAIN()                    \
{                                             \
  PLIGHTINFOEL *el = This->stateBlock->lights;\
  while (el) {                                \
    TRACE("Light %p (glIndex %ld, d3dIndex %ld, enabled %d)\n", el, el->glIndex, el->OriginalIndex, el->lightEnabled);\
    el = el->next;                            \
  }                                           \
}

/* Trace vector and strided data information */
#define TRACE_VECTOR(name) TRACE( #name "=(%f, %f, %f, %f)\n", name.x, name.y, name.z, name.w);
#define TRACE_STRIDED(sd,name) TRACE( #name "=(data:%p, stride:%ld, type:%ld)\n", sd->u.s.name.lpData, sd->u.s.name.dwStride, sd->u.s.name.dwType);

/* Defines used for optimizations */

/*    Only reapply what is necessary */
#define REAPPLY_ALPHAOP  0x0001
#define REAPPLY_ALL      0xFFFF

/* Advance declaration of structures to satisfy compiler */
typedef struct IWineD3DStateBlockImpl IWineD3DStateBlockImpl;
typedef struct IWineD3DSurfaceImpl    IWineD3DSurfaceImpl;

/* Tracking */

/* TODO: Move some of this to the device */
long globalChangeGlRam(long glram);

/* Memory and object tracking */

/*Structure for holding information on all direct3d objects
useful for making sure tracking is ok and when release is called on a device!
and probably quite handy for debugging and dumping states out
*/
typedef struct WineD3DGlobalStatistics {
    int glsurfaceram; /* The aproximate amount of glTexture memory allocated for textures */
} WineD3DGlobalStatistics;

extern WineD3DGlobalStatistics* wineD3DGlobalStatistics;

/* Global variables */
extern const float identity[16];

/*****************************************************************************
 * Compilable extra diagnostics
 */

/* Trace information per-vertex: (extremely high amount of trace) */
#if 0 /* NOTE: Must be 0 in cvs */
# define VTRACE(A) TRACE A
#else 
# define VTRACE(A) 
#endif

/* Checking of per-vertex related GL calls */
#define vcheckGLcall(A) \
{ \
    GLint err = glGetError();   \
    if (err != GL_NO_ERROR) { \
       FIXME(">>>>>>>>>>>>>>>>> %x from %s @ %s / %d\n", err, A, __FILE__, __LINE__); \
    } else { \
       VTRACE(("%s call ok %s / %d\n", A, __FILE__, __LINE__)); \
    } \
}

/* TODO: Confirm each of these works when wined3d move completed */
#if 0 /* NOTE: Must be 0 in cvs */
  /* To avoid having to get gigabytes of trace, the following can be compiled in, and at the start
     of each frame, a check is made for the existence of C:\D3DTRACE, and if if exists d3d trace
     is enabled, and if it doesn't exists it is disabled.                                           */
# define FRAME_DEBUGGING
  /*  Adding in the SINGLE_FRAME_DEBUGGING gives a trace of just what makes up a single frame, before
      the file is deleted                                                                            */
# if 1 /* NOTE: Must be 1 in cvs, as this is mostly more useful than a trace from program start */
#  define SINGLE_FRAME_DEBUGGING
# endif  
  /* The following, when enabled, lets you see the makeup of the frame, by drawprimitive calls.
     It can only be enabled when FRAME_DEBUGGING is also enabled                               
     The contents of the back buffer are written into /tmp/backbuffer_* after each primitive 
     array is drawn.                                                                            */
# if 0 /* NOTE: Must be 0 in cvs, as this give a lot of ppm files when compiled in */                                                                                       
#  define SHOW_FRAME_MAKEUP 1
# endif  
  /* The following, when enabled, lets you see the makeup of the all the textures used during each
     of the drawprimitive calls. It can only be enabled when SHOW_FRAME_MAKEUP is also enabled.
     The contents of the textures assigned to each stage are written into 
     /tmp/texture_*_<Stage>.ppm after each primitive array is drawn.                            */
# if 0 /* NOTE: Must be 0 in cvs, as this give a lot of ppm files when compiled in */
#  define SHOW_TEXTURE_MAKEUP 0
# endif  
extern BOOL isOn;
extern BOOL isDumpingFrames;
extern LONG primCounter;
#endif

/*****************************************************************************
 * Prototypes
 */

/* Routine common to the draw primitive and draw indexed primitive routines */
void drawPrimitive(IWineD3DDevice *iface,
                    int PrimitiveType,
                    long NumPrimitives,
                    /* for Indexed: */
                    long  StartVertexIndex,
                    UINT  numberOfVertices,
                    long  StartIdx,
                    short idxBytes,
                    const void *idxData,
                    int   minIndex);

/*****************************************************************************
 * Structures required to draw primitives 
 */

typedef struct Direct3DStridedData {
    BYTE     *lpData;        /* Pointer to start of data               */
    DWORD     dwStride;      /* Stride between occurances of this data */
    DWORD     dwType;        /* Type (as in D3DVSDT_TYPE)              */
} Direct3DStridedData;

typedef struct Direct3DVertexStridedData {
    union {
        struct {
             Direct3DStridedData  position;
             Direct3DStridedData  blendWeights;
             Direct3DStridedData  blendMatrixIndices;
             Direct3DStridedData  normal;
             Direct3DStridedData  pSize;
             Direct3DStridedData  diffuse;
             Direct3DStridedData  specular;
             Direct3DStridedData  texCoords[MAX_TEXTURES];
             Direct3DStridedData  position2; /* tween data */
             Direct3DStridedData  normal2;   /* tween data */
             Direct3DStridedData  tangent;
             Direct3DStridedData  binormal;
             Direct3DStridedData  tessFactor;
             Direct3DStridedData  fog;
             Direct3DStridedData  depth;
             Direct3DStridedData  sample;
        } s;
        Direct3DStridedData input[16];  /* Indexed by constants in D3DVSDE_REGISTER */
    } u;
} Direct3DVertexStridedData;

/*****************************************************************************
 * Internal representation of a light
 */
typedef struct PLIGHTINFOEL PLIGHTINFOEL;
struct PLIGHTINFOEL {
    WINED3DLIGHT OriginalParms; /* Note D3D8LIGHT == D3D9LIGHT */
    DWORD        OriginalIndex;
    LONG         glIndex;
    BOOL         lightEnabled;
    BOOL         changed;
    BOOL         enabledChanged;

    /* Converted parms to speed up swapping lights */
    float                         lightPosn[4];
    float                         lightDirn[4];
    float                         exponent;
    float                         cutoff;

    PLIGHTINFOEL *next;
    PLIGHTINFOEL *prev;
};

/*****************************************************************************
 * IWineD3D implementation structure
 */
typedef struct IWineD3DImpl
{
    /* IUnknown fields */
    const IWineD3DVtbl     *lpVtbl;
    LONG                    ref;     /* Note: Ref counting not required */

    /* WineD3D Information */
    IUnknown               *parent;
    UINT                    dxVersion;

    /* GL Information */
    BOOL                    isGLInfoValid;
    WineD3D_GL_Info         gl_info;
} IWineD3DImpl;

extern const IWineD3DVtbl IWineD3D_Vtbl;

typedef struct SwapChainList {
    IWineD3DSwapChain         *swapchain;
    struct SwapChainList      *next;
} SwapChainList;

/** Hacked out start of a context manager!! **/
typedef struct glContext {
    int Width;
    int Height;
    int usedcount;
    GLXContext context;

    Drawable drawable;
    IWineD3DSurface *pSurface;
#if 0 /* TODO: someway to represent the state of the context */
    IWineD3DStateBlock *pStateBlock;
#endif
/* a few other things like format */
} glContext;

/* TODO: setup some flags in the regestry to enable, disable pbuffer support
(since it will break quite a few things until contexts are managed properly!) */
extern BOOL pbuffer_support;
/* allocate one pbuffer per surface */
extern BOOL pbuffer_per_surface;

/* Maximum number of contexts/pbuffers to keep in cache,
set to 100 because ATI's drivers don't support deleting pBuffers properly
this needs to be migrated to a list and some option availalbe for controle the cache size.
*/
#define CONTEXT_CACHE 100

typedef struct ResourceList {
    IWineD3DResource         *resource;
    struct ResourceList      *next;
} ResourceList;

/*****************************************************************************
 * IWineD3DDevice implementation structure
 */
typedef struct IWineD3DDeviceImpl
{
    /* IUnknown fields      */
    const IWineD3DDeviceVtbl *lpVtbl;
    LONG                    ref;     /* Note: Ref counting not required */

    /* WineD3D Information  */
    IUnknown               *parent;
    IWineD3D               *wineD3D;

    /* X and GL Information */
    GLint                   maxConcurrentLights;

    /* Optimization */
    BOOL                    modelview_valid;
    BOOL                    proj_valid;
    BOOL                    view_ident;        /* true iff view matrix is identity                */
    BOOL                    last_was_rhw;      /* true iff last draw_primitive was in xyzrhw mode */
    GLenum                  tracking_parm;     /* Which source is tracking current colour         */
    LONG                    tracking_color;    /* used iff GL_COLOR_MATERIAL was enabled          */
#define                         DISABLED_TRACKING  0  /* Disabled                                 */
#define                         IS_TRACKING        1  /* tracking_parm is tracking diffuse color  */
#define                         NEEDS_TRACKING     2  /* Tracking needs to be enabled when needed */
#define                         NEEDS_DISABLE      3  /* Tracking needs to be disabled when needed*/
    UINT                    srcBlend;
    UINT                    dstBlend;
    UINT                    alphafunc;
    UINT                    stencilfunc;
    BOOL                    texture_shader_active;  /* TODO: Confirm use is correct */

    /* State block related */
    BOOL                    isRecordingState;
    IWineD3DStateBlockImpl *stateBlock;
    IWineD3DStateBlockImpl *updateStateBlock;

    /* Internal use fields  */
    D3DDEVICE_CREATION_PARAMETERS   createParms;
    UINT                            adapterNo;
    D3DDEVTYPE                      devType;

    SwapChainList          *swapchains;

    ResourceList           *resources; /* a linked list to track resources created by the device */

    /* Render Target Support */
    IWineD3DSurface        *depthStencilBuffer;

    IWineD3DSurface        *renderTarget;
    IWineD3DSurface        *stencilBufferTarget;

    /* palettes texture management */
    PALETTEENTRY            palettes[MAX_PALETTES][256];
    UINT                    currentPalette;

    /* For rendering to a texture using glCopyTexImage */
    BOOL                    renderUpsideDown;

    /* Cursor management */
    BOOL                    bCursorVisible;
    UINT                    xHotSpot;
    UINT                    yHotSpot;
    UINT                    xScreenSpace;
    UINT                    yScreenSpace;

    /* Textures for when no other textures are mapped */
    UINT                          dummyTextureName[MAX_TEXTURES];

    /* Debug stream management */
    BOOL                     debug;

    /* Device state management */
    HRESULT                 state;

    /* Screen buffer resources */
    glContext contextCache[CONTEXT_CACHE];

    /* A flag to check if endscene has been called before changing the render tartet */
    BOOL sceneEnded;
} IWineD3DDeviceImpl;

extern const IWineD3DDeviceVtbl IWineD3DDevice_Vtbl;

/* Support for IWineD3DResource ::Set/Get/FreePrivateData. I don't think
 * anybody uses it for much so a good implementation is optional. */
typedef struct PrivateData
{
    struct PrivateData* next;

    GUID tag;
    DWORD flags; /* DDSPD_* */
    DWORD uniqueness_value;

    union
    {
        LPVOID data;
        LPUNKNOWN object;
    } ptr;

    DWORD size;
} PrivateData;

/*****************************************************************************
 * IWineD3DResource implementation structure
 */
typedef struct IWineD3DResourceClass
{
    /* IUnknown fields */
    LONG                    ref;     /* Note: Ref counting not required */

    /* WineD3DResource Information */
    IUnknown               *parent;
    D3DRESOURCETYPE         resourceType;
    IWineD3DDeviceImpl     *wineD3DDevice;
    D3DPOOL                 pool;
    UINT                    size;
    DWORD                   usage;
    WINED3DFORMAT           format;
    BYTE                   *allocatedMemory;
    PrivateData            *privateData;

} IWineD3DResourceClass;

typedef struct IWineD3DResourceImpl
{
    /* IUnknown & WineD3DResource Information     */
    const IWineD3DResourceVtbl *lpVtbl;
    IWineD3DResourceClass   resource;
} IWineD3DResourceImpl;


/*****************************************************************************
 * IWineD3DVertexBuffer implementation structure (extends IWineD3DResourceImpl)
 */
typedef struct IWineD3DVertexBufferImpl
{
    /* IUnknown & WineD3DResource Information     */
    const IWineD3DVertexBufferVtbl *lpVtbl;
    IWineD3DResourceClass     resource;

    /* WineD3DVertexBuffer specifics */
    DWORD                     fvf;

} IWineD3DVertexBufferImpl;

extern const IWineD3DVertexBufferVtbl IWineD3DVertexBuffer_Vtbl;


/*****************************************************************************
 * IWineD3DIndexBuffer implementation structure (extends IWineD3DResourceImpl)
 */
typedef struct IWineD3DIndexBufferImpl
{
    /* IUnknown & WineD3DResource Information     */
    const IWineD3DIndexBufferVtbl *lpVtbl;
    IWineD3DResourceClass     resource;

    /* WineD3DVertexBuffer specifics */
} IWineD3DIndexBufferImpl;

extern const IWineD3DIndexBufferVtbl IWineD3DIndexBuffer_Vtbl;

/*****************************************************************************
 * IWineD3DBaseTexture D3D- > openGL state map lookups
 */
#define WINED3DFUNC_NOTSUPPORTED  -2
#define WINED3DFUNC_UNIMPLEMENTED -1

typedef enum winetexturestates {
    WINED3DTEXSTA_ADDRESSU       = 0,
    WINED3DTEXSTA_ADDRESSV       = 1,
    WINED3DTEXSTA_ADDRESSW       = 2,
    WINED3DTEXSTA_BORDERCOLOR    = 3,
    WINED3DTEXSTA_MAGFILTER      = 4,
    WINED3DTEXSTA_MINFILTER      = 5,
    WINED3DTEXSTA_MIPFILTER      = 6,
    WINED3DTEXSTA_MAXMIPLEVEL    = 7,
    WINED3DTEXSTA_MAXANISOTROPY  = 8,
    WINED3DTEXSTA_SRGBTEXTURE    = 9,
    WINED3DTEXSTA_ELEMENTINDEX   = 10,
    WINED3DTEXSTA_DMAPOFFSET     = 11,
    WINED3DTEXSTA_TSSADDRESSW    = 12,
    MAX_WINETEXTURESTATES        = 13,
} winetexturestates;

typedef struct Wined3dTextureStateMap {
    CONST int state;
    int function;
} Wined3dTextureStateMap;

/*****************************************************************************
 * IWineD3DBaseTexture implementation structure (extends IWineD3DResourceImpl)
 */
typedef struct IWineD3DBaseTextureClass
{
    UINT                    levels;
    BOOL                    dirty;
    D3DFORMAT               format;
    DWORD                   usage;
    UINT                    textureName;
    UINT                    LOD;
    D3DTEXTUREFILTERTYPE    filterType;
    DWORD                   states[MAX_WINETEXTURESTATES];

} IWineD3DBaseTextureClass;

typedef struct IWineD3DBaseTextureImpl
{
    /* IUnknown & WineD3DResource Information     */
    const IWineD3DBaseTextureVtbl *lpVtbl;
    IWineD3DResourceClass     resource;
    IWineD3DBaseTextureClass  baseTexture;

} IWineD3DBaseTextureImpl;

/*****************************************************************************
 * IWineD3DTexture implementation structure (extends IWineD3DBaseTextureImpl)
 */
typedef struct IWineD3DTextureImpl
{
    /* IUnknown & WineD3DResource/WineD3DBaseTexture Information     */
    const IWineD3DTextureVtbl *lpVtbl;
    IWineD3DResourceClass     resource;
    IWineD3DBaseTextureClass  baseTexture;

    /* IWineD3DTexture */
    IWineD3DSurface          *surfaces[MAX_LEVELS];
    
    UINT                      width;
    UINT                      height;
    float                     pow2scalingFactorX;
    float                     pow2scalingFactorY;

} IWineD3DTextureImpl;

extern const IWineD3DTextureVtbl IWineD3DTexture_Vtbl;

/*****************************************************************************
 * IWineD3DCubeTexture implementation structure (extends IWineD3DBaseTextureImpl)
 */
typedef struct IWineD3DCubeTextureImpl
{
    /* IUnknown & WineD3DResource/WineD3DBaseTexture Information     */
    const IWineD3DCubeTextureVtbl *lpVtbl;
    IWineD3DResourceClass     resource;
    IWineD3DBaseTextureClass  baseTexture;

    /* IWineD3DCubeTexture */
    IWineD3DSurface          *surfaces[6][MAX_LEVELS];

    UINT                      edgeLength;
    float                     pow2scalingFactor;

} IWineD3DCubeTextureImpl;

extern const IWineD3DCubeTextureVtbl IWineD3DCubeTexture_Vtbl;

/*****************************************************************************
 * IWineD3DVolume implementation structure (extends IUnknown)
 */
typedef struct IWineD3DVolumeImpl
{
    /* IUnknown & WineD3DResource fields */
    const IWineD3DVolumeVtbl  *lpVtbl;
    IWineD3DResourceClass      resource;

    /* WineD3DVolume Information */
    D3DVOLUME_DESC          currentDesc;
    IUnknown               *container;
    UINT                    bytesPerPixel;

    BOOL                    lockable;
    BOOL                    locked;
    D3DBOX                  lockedBox;
    D3DBOX                  dirtyBox;
    BOOL                    dirty;


} IWineD3DVolumeImpl;

extern const IWineD3DVolumeVtbl IWineD3DVolume_Vtbl;

/*****************************************************************************
 * IWineD3DVolumeTexture implementation structure (extends IWineD3DBaseTextureImpl)
 */
typedef struct IWineD3DVolumeTextureImpl
{
    /* IUnknown & WineD3DResource/WineD3DBaseTexture Information     */
    const IWineD3DVolumeTextureVtbl *lpVtbl;
    IWineD3DResourceClass     resource;
    IWineD3DBaseTextureClass  baseTexture;

    /* IWineD3DVolumeTexture */
    IWineD3DVolume           *volumes[MAX_LEVELS];

    UINT                      width;
    UINT                      height;
    UINT                      depth;
} IWineD3DVolumeTextureImpl;

extern const IWineD3DVolumeTextureVtbl IWineD3DVolumeTexture_Vtbl;

typedef struct _WINED3DSURFACET_DESC
{
    D3DMULTISAMPLE_TYPE MultiSampleType;
    DWORD               MultiSampleQuality;
    UINT                Width;
    UINT                Height;
} WINED3DSURFACET_DESC;

/*****************************************************************************
 * IWineD3DSurface implementation structure
 */
struct IWineD3DSurfaceImpl
{
    /* IUnknown & IWineD3DResource Information     */
    const IWineD3DSurfaceVtbl *lpVtbl;
    IWineD3DResourceClass     resource;

    /* IWineD3DSurface fields */
    IUnknown                 *container;
    WINED3DSURFACET_DESC      currentDesc;

    UINT                      textureName;
    UINT                      bytesPerPixel;

    /* TODO: move this off into a management class(maybe!) */
    BOOL                      nonpow2;

    UINT                      pow2Width;
    UINT                      pow2Height;
    UINT                      pow2Size;

#if 0
    /* precalculated x and y scalings for texture coords */
    float                     pow2scalingFactorX; /* =  (Width  / pow2Width ) */
    float                     pow2scalingFactorY; /* =  (Height / pow2Height) */
#endif

    BOOL                      lockable;
    BOOL                      discard;
    BOOL                      locked;
    BOOL                      activeLock;
    
    RECT                      lockedRect;
    RECT                      dirtyRect;
    BOOL                      Dirty;
    
    BOOL                      inTexture;
    BOOL                      inPBuffer;

    glDescriptor              glDescription;
};

extern const IWineD3DSurfaceVtbl IWineD3DSurface_Vtbl;

/*****************************************************************************
 * IWineD3DVertexDeclaration implementation structure
 */
typedef struct IWineD3DVertexDeclarationImpl {
 /* IUnknown  Information     */
  const IWineD3DVertexDeclarationVtbl *lpVtbl;
  LONG                    ref;     /* Note: Ref counting not required */

  IUnknown               *parent;
  /** precomputed fvf if simple declaration */
  IWineD3DDeviceImpl     *wineD3DDevice;
  DWORD   fvf[MAX_STREAMS];
  DWORD   allFVF;

  /** dx8 compatible Declaration fields */
  DWORD*  pDeclaration8;
  DWORD   declaration8Length;

  /** dx9+ */
  D3DVERTEXELEMENT9* pDeclaration9;
  UINT               declaration9NumElements;
} IWineD3DVertexDeclarationImpl;

extern const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl;

/*****************************************************************************
 * IWineD3DStateBlock implementation structure
 */

/* Internal state Block for Begin/End/Capture/Create/Apply info  */
/*   Note: Very long winded but gl Lists are not flexible enough */
/*   to resolve everything we need, so doing it manually for now */
typedef struct SAVEDSTATES {
        BOOL                      indices;
        BOOL                      material;
        BOOL                      fvf;
        BOOL                      streamSource[MAX_STREAMS];
        BOOL                      streamFreq[MAX_STREAMS];
        BOOL                      textures[MAX_TEXTURES];
        BOOL                      transform[HIGHEST_TRANSFORMSTATE + 1];
        BOOL                      viewport;
        BOOL                      renderState[WINEHIGHEST_RENDER_STATE + 1];
        BOOL                      textureState[MAX_TEXTURES][WINED3D_HIGHEST_TEXTURE_STATE + 1];
        BOOL                      samplerState[MAX_SAMPLERS][WINED3D_HIGHEST_SAMPLER_STATE + 1];
        BOOL                      clipplane[MAX_CLIPPLANES];
        BOOL                      vertexDecl;
        BOOL                      pixelShader;
        BOOL                      vertexShader;
        BOOL                      vertexShaderConstants[MAX_VSHADER_CONSTANTS];
} SAVEDSTATES;

typedef enum {
    WINESHADERCNST_FLOAT    = 0,
    WINESHADERCNST_INTEGER  = 1,
    WINESHADERCNST_BOOL     = 2
} WINESHADERCNST;

struct IWineD3DStateBlockImpl
{
    /* IUnknown fields */
    const IWineD3DStateBlockVtbl *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */

    /* IWineD3DStateBlock information */
    IUnknown                 *parent;
    IWineD3DDeviceImpl       *wineD3DDevice;
    WINED3DSTATEBLOCKTYPE     blockType;

    /* Array indicating whether things have been set or changed */
    SAVEDSTATES               changed;
    SAVEDSTATES               set;

    /* Drawing - Vertex Shader or FVF related */
    DWORD                     fvf;
    /* Vertex Shader Declaration */
    IWineD3DVertexDeclaration *vertexDecl;

    IWineD3DVertexShader      *vertexShader; /* @TODO: Replace void * with IWineD3DVertexShader * */

    /* Vertex Shader Constants */
    BOOL                       vertexShaderConstantB[MAX_VSHADER_CONSTANTS];
    INT                        vertexShaderConstantI[MAX_VSHADER_CONSTANTS * 4];
    float                      vertexShaderConstantF[MAX_VSHADER_CONSTANTS * 4];
    WINESHADERCNST             vertexShaderConstantT[MAX_VSHADER_CONSTANTS]; /* TODO: Think about changing this to a char to possibly save a little memory */

    BOOL                       softwareVertexProcessing;

    /* Stream Source */
    BOOL                      streamIsUP;
    UINT                      streamStride[MAX_STREAMS];
    UINT                      streamOffset[MAX_STREAMS];
    IWineD3DVertexBuffer     *streamSource[MAX_STREAMS];
    UINT                      streamFreq[MAX_STREAMS];
    UINT                      streamFlags[MAX_STREAMS];     /*0 | D3DSTREAMSOURCE_INSTANCEDATA | D3DSTREAMSOURCE_INDEXEDDATA  */

    /* Indices */
    IWineD3DIndexBuffer*      pIndexData;
    UINT                      baseVertexIndex; /* Note: only used for d3d8 */

    /* Transform */
    D3DMATRIX                 transforms[HIGHEST_TRANSFORMSTATE + 1];

    /* Lights */
    PLIGHTINFOEL             *lights; /* NOTE: active GL lights must be front of the chain */

    /* Clipping */
    double                    clipplane[MAX_CLIPPLANES][4];
    WINED3DCLIPSTATUS         clip_status;

    /* ViewPort */
    WINED3DVIEWPORT           viewport;

    /* Material */
    WINED3DMATERIAL           material;

    /* Pixel Shader */
    IWineD3DPixelShader      *pixelShader; /* TODO: Replace void * with IWineD3DPixelShader */

    /* Pixel Shader Constants */
    BOOL                       pixelShaderConstantB[MAX_PSHADER_CONSTANTS];
    UINT                       pixelShaderConstantI[MAX_PSHADER_CONSTANTS * 4];
    float                      pixelShaderConstantF[MAX_PSHADER_CONSTANTS * 4];

    /* Indexed Vertex Blending */
    D3DVERTEXBLENDFLAGS       vertex_blend;
    FLOAT                     tween_factor;

    /* RenderState */
    DWORD                     renderState[WINEHIGHEST_RENDER_STATE + 1];

    /* Texture */
    IWineD3DBaseTexture      *textures[MAX_TEXTURES];
    int                       textureDimensions[MAX_SAMPLERS];

    /* Texture State Stage */
    DWORD                     textureState[MAX_TEXTURES][WINED3D_HIGHEST_TEXTURE_STATE + 1];
    /* Sampler States */
    DWORD                     samplerState[MAX_SAMPLERS][WINED3D_HIGHEST_SAMPLER_STATE + 1];

};

extern const IWineD3DStateBlockVtbl IWineD3DStateBlock_Vtbl;

/*****************************************************************************
 * IWineD3DQueryImpl implementation structure (extends IUnknown)
 */
typedef struct IWineD3DQueryImpl
{
    const IWineD3DQueryVtbl  *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */
    
    IUnknown                 *parent;
    /*TODO: replace with iface usage */
#if 0
    IWineD3DDevice         *wineD3DDevice;
#else
    IWineD3DDeviceImpl       *wineD3DDevice;
#endif
    /* IWineD3DQuery fields */

    D3DQUERYTYPE              type;
    /* TODO: Think about using a IUnknown instead of a void* */
    void                     *extendedData;
    
  
} IWineD3DQueryImpl;

extern const IWineD3DQueryVtbl IWineD3DQuery_Vtbl;

/* Datastructures for IWineD3DQueryImpl.extendedData */
typedef struct  WineQueryOcclusionData {
       unsigned int queryId;
} WineQueryOcclusionData;


/*****************************************************************************
 * IWineD3DSwapChainImpl implementation structure (extends IUnknown)
 */

typedef struct IWineD3DSwapChainImpl
{
    /*IUnknown part*/
    IWineD3DSwapChainVtbl    *lpVtbl;
    LONG                      ref;     /* Note: Ref counting not required */

    IUnknown                 *parent;
    IWineD3DDeviceImpl       *wineD3DDevice;

    /* IWineD3DSwapChain fields */
    IWineD3DSurface          *backBuffer;
    IWineD3DSurface          *frontBuffer;
    BOOL                      wantsDepthStencilBuffer;
    D3DPRESENT_PARAMETERS     presentParms;

    /* TODO: move everything upto drawable off into a context manager
      and store the 'data' in the contextManagerData interface.
    IUnknown                  *contextManagerData;
    */

    HWND                    win_handle;
    Window                  win;
    Display                *display;

    GLXContext              glCtx;
    XVisualInfo            *visInfo;
    GLXContext              render_ctx;
    /* This has been left in device for now, but needs moving off into a rendertarget management class and separated out from swapchains and devices. */
    Drawable                drawable;
} IWineD3DSwapChainImpl;

extern IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl;

/*****************************************************************************
 * Utility function prototypes 
 */

/* Trace routines */
const char* debug_d3dformat(WINED3DFORMAT fmt);
const char* debug_d3ddevicetype(D3DDEVTYPE devtype);
const char* debug_d3dresourcetype(D3DRESOURCETYPE res);
const char* debug_d3dusage(DWORD usage);
const char* debug_d3dprimitivetype(D3DPRIMITIVETYPE PrimitiveType);
const char* debug_d3drenderstate(DWORD state);
const char* debug_d3dtexturestate(DWORD state);
const char* debug_d3dpool(D3DPOOL pool);

/* Routines for GL <-> D3D values */
GLenum StencilOp(DWORD op);
void   set_tex_op(IWineD3DDevice *iface, BOOL isAlpha, int Stage, D3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3);
void   set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords);
void   GetSrcAndOpFromValue(DWORD iValue, BOOL isAlphaArg, GLenum* source, GLenum* operand);

SHORT  D3DFmtGetBpp(IWineD3DDeviceImpl* This, D3DFORMAT fmt);
GLenum D3DFmt2GLFmt(IWineD3DDeviceImpl* This, D3DFORMAT fmt);
GLenum D3DFmt2GLType(IWineD3DDeviceImpl *This, D3DFORMAT fmt);
GLint  D3DFmt2GLIntFmt(IWineD3DDeviceImpl* This, D3DFORMAT fmt);

int D3DFmtMakeGlCfg(D3DFORMAT BackBufferFormat, D3DFORMAT StencilBufferFormat, int *attribs, int* nAttribs, BOOL alternate);


/*****************************************************************************
 * To enable calling of inherited functions, requires prototypes 
 *
 * Note: Only require classes which are subclassed, ie resource, basetexture, 
 */
    /*** IUnknown methods ***/
    extern HRESULT WINAPI IWineD3DResourceImpl_QueryInterface(IWineD3DResource *iface, REFIID riid, void** ppvObject);
    extern ULONG WINAPI IWineD3DResourceImpl_AddRef(IWineD3DResource *iface);
    extern ULONG WINAPI IWineD3DResourceImpl_Release(IWineD3DResource *iface);
    /*** IWineD3DResource methods ***/
    extern HRESULT WINAPI IWineD3DResourceImpl_GetParent(IWineD3DResource *iface, IUnknown **pParent);
    extern HRESULT WINAPI IWineD3DResourceImpl_GetDevice(IWineD3DResource *iface, IWineD3DDevice ** ppDevice);
    extern HRESULT WINAPI IWineD3DResourceImpl_SetPrivateData(IWineD3DResource *iface, REFGUID  refguid, CONST void * pData, DWORD  SizeOfData, DWORD  Flags);
    extern HRESULT WINAPI IWineD3DResourceImpl_GetPrivateData(IWineD3DResource *iface, REFGUID  refguid, void * pData, DWORD * pSizeOfData);
    extern HRESULT WINAPI IWineD3DResourceImpl_FreePrivateData(IWineD3DResource *iface, REFGUID  refguid);
    extern DWORD WINAPI IWineD3DResourceImpl_SetPriority(IWineD3DResource *iface, DWORD  PriorityNew);
    extern DWORD WINAPI IWineD3DResourceImpl_GetPriority(IWineD3DResource *iface);
    extern void WINAPI IWineD3DResourceImpl_PreLoad(IWineD3DResource *iface);
    extern D3DRESOURCETYPE WINAPI IWineD3DResourceImpl_GetType(IWineD3DResource *iface);
    /*** class static members ***/
    void IWineD3DResourceImpl_CleanUp(IWineD3DResource *iface);

    /*** IUnknown methods ***/
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_QueryInterface(IWineD3DBaseTexture *iface, REFIID riid, void** ppvObject);
    extern ULONG WINAPI IWineD3DBaseTextureImpl_AddRef(IWineD3DBaseTexture *iface);
    extern ULONG WINAPI IWineD3DBaseTextureImpl_Release(IWineD3DBaseTexture *iface);
    /*** IWineD3DResource methods ***/
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_GetParent(IWineD3DBaseTexture *iface, IUnknown **pParent);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_GetDevice(IWineD3DBaseTexture *iface, IWineD3DDevice ** ppDevice);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_SetPrivateData(IWineD3DBaseTexture *iface, REFGUID  refguid, CONST void * pData, DWORD  SizeOfData, DWORD  Flags);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_GetPrivateData(IWineD3DBaseTexture *iface, REFGUID  refguid, void * pData, DWORD * pSizeOfData);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_FreePrivateData(IWineD3DBaseTexture *iface, REFGUID  refguid);
    extern DWORD WINAPI IWineD3DBaseTextureImpl_SetPriority(IWineD3DBaseTexture *iface, DWORD  PriorityNew);
    extern DWORD WINAPI IWineD3DBaseTextureImpl_GetPriority(IWineD3DBaseTexture *iface);
    extern void WINAPI IWineD3DBaseTextureImpl_PreLoad(IWineD3DBaseTexture *iface);
    extern D3DRESOURCETYPE WINAPI IWineD3DBaseTextureImpl_GetType(IWineD3DBaseTexture *iface);
    /*** IWineD3DBaseTexture methods ***/
    extern DWORD WINAPI IWineD3DBaseTextureImpl_SetLOD(IWineD3DBaseTexture *iface, DWORD LODNew);
    extern DWORD WINAPI IWineD3DBaseTextureImpl_GetLOD(IWineD3DBaseTexture *iface);
    extern DWORD WINAPI IWineD3DBaseTextureImpl_GetLevelCount(IWineD3DBaseTexture *iface);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_SetAutoGenFilterType(IWineD3DBaseTexture *iface, D3DTEXTUREFILTERTYPE FilterType);
    extern D3DTEXTUREFILTERTYPE WINAPI IWineD3DBaseTextureImpl_GetAutoGenFilterType(IWineD3DBaseTexture *iface);
    extern void WINAPI IWineD3DBaseTextureImpl_GenerateMipSubLevels(IWineD3DBaseTexture *iface);
    extern BOOL WINAPI IWineD3DBaseTextureImpl_SetDirty(IWineD3DBaseTexture *iface, BOOL);
    extern BOOL WINAPI IWineD3DBaseTextureImpl_GetDirty(IWineD3DBaseTexture *iface);

    extern BYTE* WINAPI IWineD3DVertexBufferImpl_GetMemory(IWineD3DVertexBuffer* iface, DWORD iOffset);
    extern HRESULT WINAPI IWineD3DVertexBufferImpl_ReleaseMemory(IWineD3DVertexBuffer* iface);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_BindTexture(IWineD3DBaseTexture *iface);
    extern HRESULT WINAPI IWineD3DBaseTextureImpl_UnBindTexture(IWineD3DBaseTexture *iface);
    extern void WINAPI IWineD3DBaseTextureImpl_ApplyStateChanges(IWineD3DBaseTexture *iface, const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1], const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1]);
    /*** class static members ***/
    void IWineD3DBaseTextureImpl_CleanUp(IWineD3DBaseTexture *iface);

/* an emul for the type of constants that are used... adressing causes problems with being able to work out what's used and what's not.. so maybe we'll have to rely on the server vertex shader const functions? */
enum vsConstantsEnum {
    VS_CONSTANT_NOT_USED = 0,
    VS_CONSTANT_CONSTANT,
    VS_CONSTANT_INTEGER,
    VS_CONSTANT_BOOLEAN,
    VS_CONSTANT_FLOAT
};

/*****************************************************************************
 * IDirect3DVertexShader implementation structure
 */
typedef struct IWineD3DVertexShaderImpl {
    /* IUnknown parts*/   
    const IWineD3DVertexShaderVtbl *lpVtbl;
    LONG                        ref;     /* Note: Ref counting not required */

    IUnknown                    *parent;
    IWineD3DDeviceImpl          *wineD3DDevice;

    /* IWineD3DVertexShaderImpl */
    CONST DWORD                 *function;
    UINT                         functionLength;

    DWORD usage;
    DWORD version;

    /* vertex declaration array mapping */
    BOOL                        namedArrays;    /* don't map use named functions */
    BOOL                        declaredArrays; /* mapping requires */
    INT                         arrayUsageMap[WINED3DSHADERDECLUSAGE_MAX_USAGE];    /* lookup table for the maps */
    INT                         highestConstant;
    CHAR                        constantsUsedBitmap[256];
    /* FIXME: This needs to be populated with some flags of VS_CONSTANT_NOT_USED, VS_CONSTANT_CONSTANT, VS_CONSTANT_INTEGER, VS_CONSTANT_BOOLEAN, VS_CONSTANT_FLOAT, a half byte bitmap will be the best option, but I'll keep it as chards for siplicity */
    /* run time datas...  */
    VSHADERDATA* data;
    GLuint                      prgId;
#if 0 /* needs reworking */
    /* run time datas */
    VSHADERINPUTDATA input;
    VSHADEROUTPUTDATA output;
#endif
} IWineD3DVertexShaderImpl;
extern const IWineD3DVertexShaderVtbl IWineD3DVertexShader_Vtbl;

/*****************************************************************************
 * IDirect3DPixelShader implementation structure
 */
typedef struct IWineD3DPixelShaderImpl {
    /* IUnknown parts*/   
    const IWineD3DPixelShaderVtbl *lpVtbl;
    LONG                        ref;     /* Note: Ref counting not required */
    
    IUnknown                   *parent;
    IWineD3DDeviceImpl         *wineD3DDevice;

    
    /* IWineD3DPixelShaderImpl */
    CONST DWORD                *function;
    UINT                        functionLength;
        
#if 0 /* needs reworking */
    /* run time datas */
    PSHADERDATA* data;
    PSHADERINPUTDATA input;
    PSHADEROUTPUTDATA output;
#endif
} IWineD3DPixelShaderImpl;

extern const IWineD3DPixelShaderVtbl IWineD3DPixelShader_Vtbl;
#endif