/*
 * Copyright 2008 Luis Busquets
 *
 * 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 "wine/test.h"
#include "d3dx9.h"

static const DWORD simple_vs[] = {
    0xfffe0101,                                                             /* vs_1_1                       */
    0x0000001f, 0x80000000, 0x900f0000,                                     /* dcl_position0 v0             */
    0x00000009, 0xc0010000, 0x90e40000, 0xa0e40000,                         /* dp4 oPos.x, v0, c0           */
    0x00000009, 0xc0020000, 0x90e40000, 0xa0e40001,                         /* dp4 oPos.y, v0, c1           */
    0x00000009, 0xc0040000, 0x90e40000, 0xa0e40002,                         /* dp4 oPos.z, v0, c2           */
    0x00000009, 0xc0080000, 0x90e40000, 0xa0e40003,                         /* dp4 oPos.w, v0, c3           */
    0x0000ffff};                                                            /* END                          */

static const DWORD simple_ps[] = {
    0xffff0101,                                                             /* ps_1_1                       */
    0x00000051, 0xa00f0001, 0x3f800000, 0x00000000, 0x00000000, 0x00000000, /* def c1 = 1.0, 0.0, 0.0, 0.0  */
    0x00000042, 0xb00f0000,                                                 /* tex t0                       */
    0x00000008, 0x800f0000, 0xa0e40001, 0xa0e40000,                         /* dp3 r0, c1, c0               */
    0x00000005, 0x800f0000, 0x90e40000, 0x80e40000,                         /* mul r0, v0, r0               */
    0x00000005, 0x800f0000, 0xb0e40000, 0x80e40000,                         /* mul r0, t0, r0               */
    0x0000ffff};                                                            /* END                          */

#define FCC_TEXT MAKEFOURCC('T','E','X','T')
#define FCC_CTAB MAKEFOURCC('C','T','A','B')

static const DWORD shader_with_ctab[] = {
    0xfffe0300,                                                             /* vs_3_0                       */
    0x0002fffe, FCC_TEXT,   0x00000000,                                     /* TEXT comment                 */
    0x0008fffe, FCC_CTAB,   0x0000001c, 0x00000010, 0xfffe0300, 0x00000000, /* CTAB comment                 */
                0x00000000, 0x00000000, 0x00000000,
    0x0004fffe, FCC_TEXT,   0x00000000, 0x00000000, 0x00000000,             /* TEXT comment                 */
    0x0000ffff};                                                            /* END                          */

static const DWORD shader_with_invalid_ctab[] = {
    0xfffe0300,                                                             /* vs_3_0                       */
    0x0005fffe, FCC_CTAB,                                                   /* CTAB comment                 */
                0x0000001c, 0x000000a9, 0xfffe0300,
                0x00000000, 0x00000000,
    0x0000ffff};                                                            /* END                          */

static void test_get_shader_size(void)
{
    UINT shader_size, expected;

    shader_size = D3DXGetShaderSize(simple_vs);
    expected = sizeof(simple_vs);
    ok(shader_size == expected, "Got shader size %u, expected %u\n", shader_size, expected);

    shader_size = D3DXGetShaderSize(simple_ps);
    expected = sizeof(simple_ps);
    ok(shader_size == expected, "Got shader size %u, expected %u\n", shader_size, expected);

    shader_size = D3DXGetShaderSize(NULL);
    ok(shader_size == 0, "Got shader size %u, expected 0\n", shader_size);
}

static void test_get_shader_version(void)
{
    DWORD shader_version;

    shader_version = D3DXGetShaderVersion(simple_vs);
    ok(shader_version == D3DVS_VERSION(1, 1), "Got shader version 0x%08x, expected 0x%08x\n",
            shader_version, D3DVS_VERSION(1, 1));

    shader_version = D3DXGetShaderVersion(simple_ps);
    ok(shader_version == D3DPS_VERSION(1, 1), "Got shader version 0x%08x, expected 0x%08x\n",
            shader_version, D3DPS_VERSION(1, 1));

    shader_version = D3DXGetShaderVersion(NULL);
    ok(shader_version == 0, "Got shader version 0x%08x, expected 0\n", shader_version);
}

static void test_find_shader_comment(void)
{
    HRESULT hr;
    LPCVOID data;
    UINT size;

    hr = D3DXFindShaderComment(NULL, MAKEFOURCC('C','T','A','B'), &data, &size);
    ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);

    hr = D3DXFindShaderComment(shader_with_ctab, MAKEFOURCC('C','T','A','B'), NULL, &size);
    ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);

    hr = D3DXFindShaderComment(shader_with_ctab, MAKEFOURCC('C','T','A','B'), &data, NULL);
    ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);

    hr = D3DXFindShaderComment(shader_with_ctab, 0, &data, &size);
    ok(hr == S_FALSE, "Got result %x, expected 1 (S_FALSE)\n", hr);

    hr = D3DXFindShaderComment(shader_with_ctab, MAKEFOURCC('X','X','X','X'), &data, &size);
    ok(hr == S_FALSE, "Got result %x, expected 1 (S_FALSE)\n", hr);

    hr = D3DXFindShaderComment(shader_with_ctab, MAKEFOURCC('C','T','A','B'), &data, &size);
    ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);
    ok(data == (LPCVOID)(shader_with_ctab + 6), "Got result %p, expected %p\n", data, shader_with_ctab + 6);
    ok(size == 28, "Got result %d, expected 28\n", size);
}

static void test_get_shader_constant_table_ex(void)
{
    LPD3DXCONSTANTTABLE constant_table = NULL;
    HRESULT hr;
    LPVOID data;
    DWORD size;
    D3DXCONSTANTTABLE_DESC desc;

    hr = D3DXGetShaderConstantTableEx(NULL, 0, &constant_table);
    ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);

    /* No CTAB data */
    hr = D3DXGetShaderConstantTableEx(simple_ps, 0, &constant_table);
    ok(hr == D3DXERR_INVALIDDATA, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DXERR_INVALIDDATA);

    /* With invalid CTAB data */
    hr = D3DXGetShaderConstantTableEx(shader_with_invalid_ctab, 0, &constant_table);
    ok(hr == D3DXERR_INVALIDDATA, "Got result %x, expected %x (D3DXERR_INVALIDDATA)\n", hr, D3DXERR_INVALIDDATA);
    if (constant_table) ID3DXConstantTable_Release(constant_table);

    hr = D3DXGetShaderConstantTableEx(shader_with_ctab, 0, &constant_table);
    ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);

    if (constant_table)
    {
        size = ID3DXConstantTable_GetBufferSize(constant_table);
        ok(size == 28, "Got result %x, expected 28\n", size);

        data = ID3DXConstantTable_GetBufferPointer(constant_table);
        ok(!memcmp(data, shader_with_ctab + 6, size), "Retreived wrong CTAB data\n");

        hr = ID3DXConstantTable_GetDesc(constant_table, NULL);
        ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);

        hr = ID3DXConstantTable_GetDesc(constant_table, &desc);
        ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);
        ok(desc.Creator == (LPCSTR)data + 0x10, "Got result %p, expected %p\n", desc.Creator, (LPCSTR)data + 0x10);
        ok(desc.Version == D3DVS_VERSION(3, 0), "Got result %x, expected %x\n", desc.Version, D3DVS_VERSION(3, 0));
        ok(desc.Constants == 0, "Got result %x, expected 0\n", desc.Constants);

        ID3DXConstantTable_Release(constant_table);
    }
}

START_TEST(shader)
{
    test_get_shader_size();
    test_get_shader_version();
    test_find_shader_comment();
    test_get_shader_constant_table_ex();
}