d3dx9: Handle compressed surfaces in D3DXLoadSurfaceFromMemory.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=24983
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2019-09-26 20:53:59 +02:00 committed by Alexandre Julliard
parent 1f9243c757
commit 376182062f
29 changed files with 1420 additions and 129 deletions

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -78,7 +78,7 @@ extern const struct ID3DXIncludeVtbl d3dx_include_from_file_vtbl DECLSPEC_HIDDEN
static inline BOOL is_conversion_from_supported(const struct pixel_format_desc *format)
{
if (format->type == FORMAT_ARGB || format->type == FORMAT_ARGBF16
|| format->type == FORMAT_ARGBF)
|| format->type == FORMAT_ARGBF || format->type == FORMAT_DXT)
return TRUE;
return !!format->to_rgba;
}
@ -86,7 +86,7 @@ static inline BOOL is_conversion_from_supported(const struct pixel_format_desc *
static inline BOOL is_conversion_to_supported(const struct pixel_format_desc *format)
{
if (format->type == FORMAT_ARGB || format->type == FORMAT_ARGBF16
|| format->type == FORMAT_ARGBF)
|| format->type == FORMAT_ARGBF || format->type == FORMAT_DXT)
return TRUE;
return !!format->from_rgba;
}

View File

@ -25,6 +25,8 @@
#include "ole2.h"
#include "wincodec.h"
#include "txc_dxtn.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
HRESULT WINAPI WICCreateImagingFactory_Proxy(UINT, IWICImagingFactory**);
@ -1927,6 +1929,11 @@ HRESULT WINAPI D3DXLoadSurfaceFromMemory(IDirect3DSurface9 *dst_surface,
}
else /* Stretching or format conversion. */
{
const struct pixel_format_desc *dst_format;
DWORD *src_uncompressed = NULL;
unsigned int dst_pitch;
BYTE *dst_mem;
if (!is_conversion_from_supported(srcformatdesc)
|| !is_conversion_to_supported(destformatdesc))
{
@ -1935,10 +1942,76 @@ HRESULT WINAPI D3DXLoadSurfaceFromMemory(IDirect3DSurface9 *dst_surface,
return E_NOTIMPL;
}
if (srcformatdesc->type == FORMAT_DXT)
{
void (*fetch_dxt_texel)(int srcRowStride, const BYTE *pixdata,
int i, int j, void *texel);
unsigned int x, y;
src_uncompressed = heap_alloc(src_size.width * src_size.height * sizeof(DWORD));
if (!src_uncompressed)
{
unlock_surface(dst_surface, dst_rect, surface, FALSE);
return E_OUTOFMEMORY;
}
switch(src_format)
{
case D3DFMT_DXT1:
fetch_dxt_texel = fetch_2d_texel_rgba_dxt1;
break;
case D3DFMT_DXT2:
case D3DFMT_DXT3:
fetch_dxt_texel = fetch_2d_texel_rgba_dxt3;
break;
case D3DFMT_DXT4:
case D3DFMT_DXT5:
fetch_dxt_texel = fetch_2d_texel_rgba_dxt5;
break;
default:
FIXME("Unexpected compressed texture format %u.\n", src_format);
fetch_dxt_texel = NULL;
}
TRACE("Uncompressing DXTn surface.\n");
for (y = 0; y < src_size.height; ++y)
{
DWORD *ptr = &src_uncompressed[y * src_size.width];
for (x = 0; x < src_size.width; ++x)
{
fetch_dxt_texel(src_pitch / sizeof(DWORD), src_memory,
x + src_rect->left, y + src_rect->top, ptr);
++ptr;
}
}
src_memory = src_uncompressed;
src_pitch = src_size.width * sizeof(DWORD);
srcformatdesc = get_format_info(D3DFMT_A8B8G8R8);
}
if (destformatdesc->type == FORMAT_DXT)
{
dst_mem = heap_alloc(dst_size.width * dst_size.height * sizeof(DWORD));
if (!dst_mem)
{
heap_free(src_uncompressed);
unlock_surface(dst_surface, dst_rect, surface, FALSE);
return E_OUTOFMEMORY;
}
dst_pitch = dst_size.width * sizeof(DWORD);
dst_format = get_format_info(D3DFMT_A8B8G8R8);
}
else
{
dst_mem = lockrect.pBits;
dst_pitch = lockrect.Pitch;
dst_format = destformatdesc;
}
if ((filter & 0xf) == D3DX_FILTER_NONE)
{
convert_argb_pixels(src_memory, src_pitch, 0, &src_size, srcformatdesc,
lockrect.pBits, lockrect.Pitch, 0, &dst_size, destformatdesc, color_key, src_palette);
dst_mem, dst_pitch, 0, &dst_size, dst_format, color_key, src_palette);
}
else /* if ((filter & 0xf) == D3DX_FILTER_POINT) */
{
@ -1948,7 +2021,42 @@ HRESULT WINAPI D3DXLoadSurfaceFromMemory(IDirect3DSurface9 *dst_surface,
/* Always apply a point filter until D3DX_FILTER_LINEAR,
* D3DX_FILTER_TRIANGLE and D3DX_FILTER_BOX are implemented. */
point_filter_argb_pixels(src_memory, src_pitch, 0, &src_size, srcformatdesc,
lockrect.pBits, lockrect.Pitch, 0, &dst_size, destformatdesc, color_key, src_palette);
dst_mem, dst_pitch, 0, &dst_size, dst_format, color_key, src_palette);
}
heap_free(src_uncompressed);
if (destformatdesc->type == FORMAT_DXT)
{
if (dst_rect && (dst_rect->left || dst_rect->top))
{
FIXME("Not implemented for destination rect left / top != 0.\n");
}
else
{
GLenum gl_format = 0;
TRACE("Compressing DXTn surface.\n");
switch(surfdesc.Format)
{
case D3DFMT_DXT1:
gl_format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
break;
case D3DFMT_DXT2:
case D3DFMT_DXT3:
gl_format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
break;
case D3DFMT_DXT4:
case D3DFMT_DXT5:
gl_format = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
default:
ERR("Unexpected destination compressed format %u.\n", surfdesc.Format);
}
tx_compress_dxtn(4, dst_size.width, dst_size.height,
dst_mem, gl_format, lockrect.pBits, lockrect.Pitch);
}
heap_free(dst_mem);
}
}

View File

@ -950,7 +950,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
else {
PALETTEENTRY palette;
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8r3g3b2, D3DFMT_A8R3G3B2, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8r3g3b2,
D3DFMT_A8R3G3B2, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_4bpp(&lockrect, 0, 0, 0x57dbffff);
@ -959,7 +960,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_4bpp(&lockrect, 1, 1, 0xc8929255);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a1r5g5b5, D3DFMT_A1R5G5B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a1r5g5b5,
D3DFMT_A1R5G5B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_4bpp(&lockrect, 0, 0, 0x008cadad);
@ -968,7 +970,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_4bpp(&lockrect, 1, 1, 0xff29088c);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_r5g6b5, D3DFMT_R5G6B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_r5g6b5,
D3DFMT_R5G6B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_4bpp(&lockrect, 0, 0, 0xff9cdfb5);
@ -977,7 +980,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_4bpp(&lockrect, 1, 1, 0xff425d73);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_g16r16, D3DFMT_G16R16, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_g16r16,
D3DFMT_G16R16, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
todo_wine {
@ -988,8 +992,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_4bpp(&lockrect, 1, 1, 0xfffe9aff);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8b8g8r8, D3DFMT_A8B8G8R8,
8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8b8g8r8,
D3DFMT_A8B8G8R8, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
@ -1001,8 +1005,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
SetRect(&rect, 0, 0, 1, 1);
SetRect(&destrect, 1, 1, 2, 2);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, &destrect, pixdata_a8b8g8r8, D3DFMT_A8B8G8R8,
8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, &destrect, pixdata_a8b8g8r8,
D3DFMT_A8B8G8R8, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_4bpp(&lockrect, 0, 0, 0xc3f04c39);
@ -1013,8 +1017,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
SetRect(&rect, 0, 0, 2, 2);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a2r10g10b10, D3DFMT_A2R10G10B10,
8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a2r10g10b10,
D3DFMT_A2R10G10B10, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_4bpp(&lockrect, 0, 0, 0x555c95bf);
@ -1050,7 +1054,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
ok(hr == D3D_OK, "D3DXLoadSurfaceFromFileInMemory returned %#x, expected %#x\n", hr, D3D_OK);
hr = IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
ok(SUCCEEDED(hr), "Failed to lock surface, hr %#x\n", hr);
ok(*(DWORD*)lockrect.pBits == 0x80f3f2f1, "Pixel color mismatch: got %#x, expected 0x80f3f2f1\n", *(DWORD*)lockrect.pBits);
ok(*(DWORD*)lockrect.pBits == 0x80f3f2f1,
"Pixel color mismatch: got %#x, expected 0x80f3f2f1\n", *(DWORD*)lockrect.pBits);
hr = IDirect3DSurface9_UnlockRect(surf);
ok(SUCCEEDED(hr), "Failed to unlock surface, hr %#x\n", hr);
}
@ -1071,7 +1076,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DDevice9_CreateOffscreenPlainSurface(device, 2, 2, D3DFMT_A1R5G5B5, D3DPOOL_DEFAULT, &surf, NULL);
if(FAILED(hr)) skip("Failed to create a surface (%#x)\n", hr);
else {
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8r3g3b2, D3DFMT_A8R3G3B2, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8r3g3b2,
D3DFMT_A8R3G3B2, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_2bpp(&lockrect, 0, 0, 0x6fff);
@ -1080,7 +1086,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_2bpp(&lockrect, 1, 1, 0xca4a);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a1r5g5b5, D3DFMT_A1R5G5B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a1r5g5b5,
D3DFMT_A1R5G5B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_2bpp(&lockrect, 0, 0, 0x46b5);
@ -1089,7 +1096,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_2bpp(&lockrect, 1, 1, 0x9431);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_r5g6b5, D3DFMT_R5G6B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_r5g6b5,
D3DFMT_R5G6B5, 4, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_2bpp(&lockrect, 0, 0, 0xcf76);
@ -1098,7 +1106,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_2bpp(&lockrect, 1, 1, 0xa16e);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_g16r16, D3DFMT_G16R16, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_g16r16,
D3DFMT_G16R16, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
todo_wine {
@ -1109,7 +1118,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_2bpp(&lockrect, 1, 1, 0xfe7f);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8b8g8r8, D3DFMT_A8B8G8R8, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a8b8g8r8,
D3DFMT_A8B8G8R8, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
todo_wine {
@ -1120,7 +1130,8 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
check_pixel_2bpp(&lockrect, 1, 1, 0xf8b8);
IDirect3DSurface9_UnlockRect(surf);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a2r10g10b10, D3DFMT_A2R10G10B10, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
hr = D3DXLoadSurfaceFromMemory(surf, NULL, NULL, pixdata_a2r10g10b10,
D3DFMT_A2R10G10B10, 8, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "D3DXLoadSurfaceFromMemory returned %#x, expected %#x\n", hr, D3D_OK);
IDirect3DSurface9_LockRect(surf, &lockrect, NULL, D3DLOCK_READONLY);
check_pixel_2bpp(&lockrect, 0, 0, 0x2e57);
@ -1246,7 +1257,7 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
/* DXT1, DXT2, DXT3, DXT4, DXT5 */
hr = IDirect3DDevice9_CreateOffscreenPlainSurface(device, 4, 4, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &surf, NULL);
if (FAILED(hr))
skip("Failed to create R8G8B8 surface, hr %#x.\n", hr);
skip("Failed to create A8R8G8B8 surface, hr %#x.\n", hr);
else
{
hr = D3DXLoadSurfaceFromFileInMemory(surf, NULL, NULL, dds_24bit, sizeof(dds_24bit), NULL, D3DX_FILTER_NONE, 0, NULL);
@ -1260,7 +1271,7 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DTexture9_GetSurfaceLevel(tex, 0, &newsurf);
ok(SUCCEEDED(hr), "Failed to get the surface, hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, NULL, surf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels to DXT2 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels to DXT2 format.\n");
check_release((IUnknown*)newsurf, 1);
check_release((IUnknown*)tex, 0);
}
@ -1273,7 +1284,7 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DTexture9_GetSurfaceLevel(tex, 0, &newsurf);
ok(SUCCEEDED(hr), "Failed to get the surface, hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, NULL, surf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels to DXT3 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels to DXT3 format.\n");
check_release((IUnknown*)newsurf, 1);
check_release((IUnknown*)tex, 0);
}
@ -1286,7 +1297,7 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DTexture9_GetSurfaceLevel(tex, 0, &newsurf);
ok(SUCCEEDED(hr), "Failed to get the surface, hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, NULL, surf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels to DXT4 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels to DXT4 format.\n");
check_release((IUnknown*)newsurf, 1);
check_release((IUnknown*)tex, 0);
}
@ -1299,11 +1310,11 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DTexture9_GetSurfaceLevel(tex, 0, &newsurf);
ok(SUCCEEDED(hr), "Failed to get the surface, hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, NULL, surf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels to DXT5 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels to DXT5 format.\n");
SetRect(&rect, 0, 0, 4, 2);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, &rect, surf, NULL, &rect, D3DX_FILTER_NONE, 0);
todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromMemory(newsurf, NULL, &rect, &dds_dxt5[128],
D3DFMT_DXT5, 16, NULL, &rect, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
@ -1332,7 +1343,7 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
SetRect(&rect, 2, 2, 6, 6);
hr = D3DXLoadSurfaceFromMemory(newsurf, NULL, NULL, &dds_dxt5_8_8[128],
D3DFMT_DXT5, 16 * 2, NULL, &rect, D3DX_FILTER_POINT, 0);
todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromMemory(newsurf, NULL, &rect, &dds_dxt5_8_8[128],
D3DFMT_DXT5, 16 * 2, NULL, NULL, D3DX_FILTER_POINT, 0);
@ -1354,10 +1365,10 @@ static void test_D3DXLoadSurface(IDirect3DDevice9 *device)
hr = IDirect3DTexture9_GetSurfaceLevel(tex, 0, &newsurf);
ok(SUCCEEDED(hr), "Failed to get the surface, hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(newsurf, NULL, NULL, surf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels to DXT1 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels to DXT1 format.\n");
hr = D3DXLoadSurfaceFromSurface(surf, NULL, NULL, newsurf, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(SUCCEEDED(hr), "Failed to convert pixels from DXT1 format.\n");
ok(SUCCEEDED(hr), "Failed to convert pixels from DXT1 format.\n");
check_release((IUnknown*)newsurf, 1);
check_release((IUnknown*)tex, 0);

View File

@ -636,7 +636,7 @@ static void test_D3DXCheckVolumeTextureRequirements(IDirect3DDevice9 *device)
if (has_3d_dxt3)
ok(format == D3DFMT_DXT3, "Returned format %u, expected %u\n", format, D3DFMT_DXT3);
else
todo_wine ok(format == D3DFMT_A8R8G8B8, "Returned format %u, expected %u\n", format, D3DFMT_A8R8G8B8);
ok(format == D3DFMT_A8R8G8B8, "Returned format %u, expected %u\n", format, D3DFMT_A8R8G8B8);
/* mipmaps */
if (!(caps.TextureCaps & D3DPTEXTURECAPS_MIPVOLUMEMAP))
@ -1628,16 +1628,16 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
/* Check that D3DXCreateTextureFromFileInMemory accepts cube texture dds file (only first face texture is loaded) */
hr = D3DXCreateTextureFromFileInMemory(device, dds_cube_map, sizeof(dds_cube_map), &texture);
todo_wine_if (!has_2d_dxt5)
ok(hr == D3D_OK, "D3DXCreateTextureFromFileInMemory returned %#x, expected %#x.\n", hr, D3D_OK);
if (SUCCEEDED(hr))
{
type = IDirect3DTexture9_GetType(texture);
ok(type == D3DRTYPE_TEXTURE, "IDirect3DTexture9_GetType returned %u, expected %u\n", type, D3DRTYPE_TEXTURE);
ok(type == D3DRTYPE_TEXTURE, "IDirect3DTexture9_GetType returned %u, expected %u.\n", type, D3DRTYPE_TEXTURE);
hr = IDirect3DTexture9_GetLevelDesc(texture, 0, &desc);
ok(hr == D3D_OK, "IDirect3DTexture9_GetLevelDesc returned %#x, expected %#x\n", hr, D3D_OK);
ok(desc.Width == 4, "Width is %u, expected 4\n", desc.Width);
ok(desc.Height == 4, "Height is %u, expected 4\n", desc.Height);
ok(hr == D3D_OK, "IDirect3DTexture9_GetLevelDesc returned %#x, expected %#x.\n", hr, D3D_OK);
ok(desc.Width == 4, "Width is %u, expected 4.\n", desc.Width);
ok(desc.Height == 4, "Height is %u, expected 4.\n", desc.Height);
if (has_cube_dxt5)
{
ok(desc.Format == D3DFMT_DXT5, "Unexpected texture format %#x.\n", desc.Format);
hr = IDirect3DTexture9_LockRect(texture, 0, &lock_rect, NULL, D3DLOCK_READONLY);
ok(hr == D3D_OK, "IDirect3DTexture9_LockRect returned %#x, expected %#x\n", hr, D3D_OK);
if (SUCCEEDED(hr))
@ -1648,12 +1648,17 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
i, ((BYTE *)lock_rect.pBits)[i], dds_cube_map[128 + i]);
IDirect3DTexture9_UnlockRect(texture, 0);
}
IDirect3DTexture9_Release(texture);
}
else
{
ok(desc.Format == D3DFMT_A8R8G8B8, "Unexpected texture format %#x.\n", desc.Format);
skip("D3DFMT_DXT5 textures are not supported, skipping a test.\n");
}
IDirect3DTexture9_Release(texture);
/* Test with a DXT5 texture smaller than the block size. */
hr = D3DXCreateTextureFromFileInMemory(device, dds_dxt5, sizeof(dds_dxt5), &texture);
todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
if (SUCCEEDED(hr) && has_2d_dxt5)
{
type = IDirect3DTexture9_GetType(texture);
@ -1709,7 +1714,7 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
D3DPOOL_DEFAULT, &uncompressed_surface, NULL);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(uncompressed_surface, NULL, NULL, surface, NULL, NULL, D3DX_FILTER_NONE, 0);
todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
if (SUCCEEDED(hr))
{
hr = IDirect3DSurface9_LockRect(uncompressed_surface, &lock_rect, NULL, D3DLOCK_READONLY);
@ -1739,9 +1744,7 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
SetRect(&rect, 2, 2, 6, 6);
hr = D3DXLoadSurfaceFromMemory(surface, NULL, NULL, &dds_dxt5_8_8[128],
D3DFMT_DXT5, 16 * 2, NULL, &rect, D3DX_FILTER_POINT, 0);
todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
if (SUCCEEDED(hr))
{
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
hr = D3DXLoadSurfaceFromSurface(uncompressed_surface, NULL, NULL, surface, NULL, NULL, D3DX_FILTER_NONE, 0);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
@ -1760,7 +1763,6 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
}
hr = IDirect3DSurface9_UnlockRect(uncompressed_surface);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
}
hr = IDirect3DSurface9_LockRect(surface, &lock_rect, NULL, D3DLOCK_READONLY);
ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
@ -1804,10 +1806,7 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
/* Volume textures work too. */
hr = D3DXCreateTextureFromFileInMemory(device, dds_volume_map, sizeof(dds_volume_map), &texture);
todo_wine_if (!has_2d_dxt3)
ok(hr == D3D_OK, "D3DXCreateTextureFromFileInMemory returned %#x, expected %#x.\n", hr, D3D_OK);
if (SUCCEEDED(hr))
{
type = IDirect3DTexture9_GetType(texture);
ok(type == D3DRTYPE_TEXTURE, "IDirect3DTexture9_GetType returned %u, expected %u.\n", type, D3DRTYPE_TEXTURE);
level_count = IDirect3DBaseTexture9_GetLevelCount((IDirect3DBaseTexture9 *)texture);
@ -1817,6 +1816,9 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
ok(desc.Width == 4, "Width is %u, expected 4.\n", desc.Width);
ok(desc.Height == 4, "Height is %u, expected 4.\n", desc.Height);
if (has_2d_dxt3)
{
ok(desc.Format == D3DFMT_DXT3, "Unexpected texture format %#x.\n", desc.Format);
hr = IDirect3DTexture9_LockRect(texture, 0, &lock_rect, NULL, D3DLOCK_READONLY);
ok(hr == D3D_OK, "IDirect3DTexture9_LockRect returned %#x, expected %#x.\n", hr, D3D_OK);
if (SUCCEEDED(hr))
@ -1827,11 +1829,16 @@ static void test_D3DXCreateTextureFromFileInMemory(IDirect3DDevice9 *device)
i, ((BYTE *)lock_rect.pBits)[i], dds_volume_map[128 + i]);
IDirect3DTexture9_UnlockRect(texture, 0);
}
}
else
{
ok(desc.Format == D3DFMT_A8R8G8B8, "Unexpected texture format %#x.\n", desc.Format);
skip("D3DFMT_DXT3 volume textures are not supported, skipping a test.\n");
}
/* The lower texture levels are apparently generated by filtering the level 0 surface
* I.e. following levels from the file are ignored. */
IDirect3DTexture9_Release(texture);
}
}
static void test_D3DXCreateTextureFromFileInMemoryEx(IDirect3DDevice9 *device)
{
@ -1985,7 +1992,7 @@ static void test_D3DXCreateCubeTextureFromFileInMemory(IDirect3DDevice9 *device)
if (SUCCEEDED(hr))
{
levelcount = IDirect3DCubeTexture9_GetLevelCount(cube_texture);
todo_wine ok(levelcount == 3, "GetLevelCount returned %u, expected 3\n", levelcount);
ok(levelcount == 3, "GetLevelCount returned %u, expected 3\n", levelcount);
hr = IDirect3DCubeTexture9_GetLevelDesc(cube_texture, 0, &surface_desc);
ok(hr == D3D_OK, "GetLevelDesc returned %#x, expected %#x\n", hr, D3D_OK);
@ -2010,7 +2017,6 @@ static void test_D3DXCreateCubeTextureFromFileInMemoryEx(IDirect3DDevice9 *devic
hr = D3DXCreateCubeTextureFromFileInMemoryEx(device, dds_cube_map, sizeof(dds_cube_map), D3DX_DEFAULT, D3DX_DEFAULT,
D3DUSAGE_DYNAMIC | D3DUSAGE_AUTOGENMIPMAP, D3DFMT_UNKNOWN, D3DPOOL_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, 0, NULL, NULL, &cube_texture);
todo_wine_if (!has_cube_dxt5)
ok(hr == D3D_OK, "D3DXCreateCubeTextureFromFileInMemoryEx returned %#x, expected %#x.\n", hr, D3D_OK);
if (SUCCEEDED(hr)) IDirect3DCubeTexture9_Release(cube_texture);
}
@ -2036,29 +2042,25 @@ static void test_D3DXCreateVolumeTextureFromFileInMemory(IDirect3DDevice9 *devic
ok(hr == D3DERR_INVALIDCALL, "D3DXCreateVolumeTextureFromFileInMemory returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
hr = D3DXCreateVolumeTextureFromFileInMemory(device, dds_volume_map, sizeof(dds_volume_map), &volume_texture);
todo_wine_if (!has_3d_dxt3)
ok(hr == D3D_OK, "D3DXCreateVolumeTextureFromFileInMemory returned %#x, expected %#x\n", hr, D3D_OK);
if (SUCCEEDED(hr))
{
ok(hr == D3D_OK, "D3DXCreateVolumeTextureFromFileInMemory returned %#x, expected %#x.\n", hr, D3D_OK);
levelcount = IDirect3DVolumeTexture9_GetLevelCount(volume_texture);
ok(levelcount == 3, "GetLevelCount returned %u, expected 3\n", levelcount);
ok(levelcount == 3, "GetLevelCount returned %u, expected 3.\n", levelcount);
hr = IDirect3DVolumeTexture9_GetLevelDesc(volume_texture, 0, &volume_desc);
ok(hr == D3D_OK, "GetLevelDesc returned %#x, expected %#x\n", hr, D3D_OK);
ok(volume_desc.Width == 4, "Got width %u, expected 4\n", volume_desc.Width);
ok(volume_desc.Height == 4, "Got height %u, expected 4\n", volume_desc.Height);
ok(volume_desc.Depth == 2, "Got depth %u, expected 2\n", volume_desc.Depth);
ok(volume_desc.Pool == D3DPOOL_MANAGED, "Got pool %u, expected D3DPOOL_MANAGED\n", volume_desc.Pool);
ok(hr == D3D_OK, "GetLevelDesc returned %#x, expected %#x.\n", hr, D3D_OK);
ok(volume_desc.Width == 4, "Got width %u, expected 4.\n", volume_desc.Width);
ok(volume_desc.Height == 4, "Got height %u, expected 4.\n", volume_desc.Height);
ok(volume_desc.Depth == 2, "Got depth %u, expected 2.\n", volume_desc.Depth);
ok(volume_desc.Pool == D3DPOOL_MANAGED, "Got pool %u, expected D3DPOOL_MANAGED.\n", volume_desc.Pool);
hr = IDirect3DVolumeTexture9_GetLevelDesc(volume_texture, 1, &volume_desc);
ok(hr == D3D_OK, "GetLevelDesc returned %#x, expected %#x\n", hr, D3D_OK);
ok(volume_desc.Width == 2, "Got width %u, expected 2\n", volume_desc.Width);
ok(volume_desc.Height == 2, "Got height %u, expected 2\n", volume_desc.Height);
ok(volume_desc.Depth == 1, "Got depth %u, expected 1\n", volume_desc.Depth);
ok(hr == D3D_OK, "GetLevelDesc returned %#x, expected %#x.\n", hr, D3D_OK);
ok(volume_desc.Width == 2, "Got width %u, expected 2.\n", volume_desc.Width);
ok(volume_desc.Height == 2, "Got height %u, expected 2.\n", volume_desc.Height);
ok(volume_desc.Depth == 1, "Got depth %u, expected 1.\n", volume_desc.Depth);
ref = IDirect3DVolumeTexture9_Release(volume_texture);
ok(ref == 0, "Invalid reference count. Got %u, expected 0\n", ref);
}
ok(ref == 0, "Invalid reference count. Got %u, expected 0.\n", ref);
}
/* fills positive x face with red color */
@ -2511,14 +2513,14 @@ START_TEST(texture)
/* Check whether DXTn textures are supported. */
has_2d_dxt3 = SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_TEXTURE, D3DFMT_DXT3));
hr = IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_TEXTURE, D3DFMT_DXT5);
has_2d_dxt5 = SUCCEEDED(hr);
hr = IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_CUBETEXTURE, D3DFMT_DXT5);
has_cube_dxt5 = SUCCEEDED(hr);
has_2d_dxt5 = SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_TEXTURE, D3DFMT_DXT5));
has_cube_dxt5 = SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_CUBETEXTURE, D3DFMT_DXT5));
has_3d_dxt3 = SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
D3DFMT_X8R8G8B8, 0, D3DRTYPE_VOLUMETEXTURE, D3DFMT_DXT3));
trace("DXTn texture support: 2D DXT3 %#x, 2D DXT5 %#x, cube DXT5 %#x, 3D dxt3 %#x.\n",
has_2d_dxt3, has_2d_dxt5, has_cube_dxt5, has_3d_dxt3);
test_D3DXCheckTextureRequirements(device);
test_D3DXCheckCubeTextureRequirements(device);

View File

@ -183,24 +183,30 @@ HRESULT WINAPI D3DXFilterTexture(IDirect3DBaseTexture9 *texture,
}
}
static D3DFORMAT get_luminance_replacement_format(D3DFORMAT format)
static D3DFORMAT get_replacement_format(D3DFORMAT format)
{
static const struct
{
D3DFORMAT luminance_format;
D3DFORMAT format;
D3DFORMAT replacement_format;
} luminance_replacements[] =
}
replacements[] =
{
{D3DFMT_L8, D3DFMT_X8R8G8B8},
{D3DFMT_A8L8, D3DFMT_A8R8G8B8},
{D3DFMT_A4L4, D3DFMT_A4R4G4B4},
{D3DFMT_L16, D3DFMT_A16B16G16R16}
{D3DFMT_L16, D3DFMT_A16B16G16R16},
{D3DFMT_DXT1, D3DFMT_A8R8G8B8},
{D3DFMT_DXT2, D3DFMT_A8R8G8B8},
{D3DFMT_DXT3, D3DFMT_A8R8G8B8},
{D3DFMT_DXT4, D3DFMT_A8R8G8B8},
{D3DFMT_DXT5, D3DFMT_A8R8G8B8},
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(luminance_replacements); ++i)
if (format == luminance_replacements[i].luminance_format)
return luminance_replacements[i].replacement_format;
for (i = 0; i < ARRAY_SIZE(replacements); ++i)
if (format == replacements[i].format)
return replacements[i].replacement_format;
return format;
}
@ -275,7 +281,7 @@ HRESULT WINAPI D3DXCheckTextureRequirements(struct IDirect3DDevice9 *device, UIN
FIXME("Pixel format %x not handled\n", usedformat);
goto cleanup;
}
fmt = get_format_info(get_luminance_replacement_format(usedformat));
fmt = get_format_info(get_replacement_format(usedformat));
allow_24bits = fmt->bytes_per_pixel == 3;
channels = !!fmt->bits[0] + !!fmt->bits[1] + !!fmt->bits[2] + !!fmt->bits[3];
@ -564,12 +570,12 @@ HRESULT WINAPI D3DXCreateTextureFromFileInMemoryEx(struct IDirect3DDevice9 *devi
D3DPOOL pool, DWORD filter, DWORD mipfilter, D3DCOLOR colorkey, D3DXIMAGE_INFO *srcinfo,
PALETTEENTRY *palette, struct IDirect3DTexture9 **texture)
{
BOOL dynamic_texture, format_specified = FALSE;
unsigned int loaded_miplevels, skip_levels;
IDirect3DSurface9 *surface;
IDirect3DTexture9 **texptr;
IDirect3DTexture9 *buftex;
IDirect3DSurface9 *surface;
BOOL dynamic_texture, format_specified = FALSE;
D3DXIMAGE_INFO imginfo;
UINT loaded_miplevels, skip_levels;
D3DCAPS9 caps;
HRESULT hr;
@ -656,15 +662,10 @@ HRESULT WINAPI D3DXCreateTextureFromFileInMemoryEx(struct IDirect3DDevice9 *devi
if (colorkey && !format_specified)
format = get_alpha_replacement_format(format);
if (imginfo.MipLevels < miplevels && (D3DFMT_DXT1 <= imginfo.Format && imginfo.Format <= D3DFMT_DXT5))
{
FIXME("Generation of mipmaps for compressed pixel formats is not implemented yet.\n");
miplevels = imginfo.MipLevels;
}
if (imginfo.ResourceType == D3DRTYPE_VOLUMETEXTURE
&& D3DFMT_DXT1 <= imginfo.Format && imginfo.Format <= D3DFMT_DXT5 && miplevels > 1)
{
FIXME("Generation of mipmaps for compressed pixel formats is not implemented yet.\n");
FIXME("Generation of mipmaps for compressed volume textures is not implemented yet.\n");
miplevels = 1;
}
@ -1475,12 +1476,6 @@ HRESULT WINAPI D3DXCreateCubeTextureFromFileInMemoryEx(IDirect3DDevice9 *device,
if (FAILED(hr))
return D3DERR_INVALIDCALL;
if (mip_levels > img_info.MipLevels && (D3DFMT_DXT1 <= img_info.Format && img_info.Format <= D3DFMT_DXT5))
{
FIXME("Generation of mipmaps for compressed pixel formats is not supported yet.\n");
mip_levels = img_info.MipLevels;
}
dynamic_texture = (caps.Caps2 & D3DCAPS2_DYNAMICTEXTURES) && (usage & D3DUSAGE_DYNAMIC);
if (pool == D3DPOOL_DEFAULT && !dynamic_texture)
{

View File

@ -0,0 +1,841 @@
/*
* libtxc_dxtn
* Version: 1.0
*
* Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "txc_dxtn.h"
/* weights used for error function, basically weights (unsquared 2/4/1) according to rgb->luminance conversion
not sure if this really reflects visual perception */
#define REDWEIGHT 4
#define GREENWEIGHT 16
#define BLUEWEIGHT 1
#define ALPHACUT 127
static void fancybasecolorsearch( GLubyte *blkaddr, GLubyte srccolors[4][4][4], GLubyte *bestcolor[2],
GLint numxpixels, GLint numypixels, GLint type, GLboolean haveAlpha)
{
/* use same luminance-weighted distance metric to determine encoding as for finding the base colors */
/* TODO could also try to find a better encoding for the 3-color-encoding type, this really should be done
if it's rgba_dxt1 and we have alpha in the block, currently even values which will be mapped to black
due to their alpha value will influence the result */
GLint i, j, colors, z;
GLuint pixerror, pixerrorred, pixerrorgreen, pixerrorblue, pixerrorbest;
GLint colordist, blockerrlin[2][3];
GLubyte nrcolor[2];
GLint pixerrorcolorbest[3];
GLubyte enc = 0;
GLubyte cv[4][4];
GLubyte testcolor[2][3];
/* fprintf(stderr, "color begin 0 r/g/b %d/%d/%d, 1 r/g/b %d/%d/%d\n",
bestcolor[0][0], bestcolor[0][1], bestcolor[0][2], bestcolor[1][0], bestcolor[1][1], bestcolor[1][2]);*/
if (((bestcolor[0][0] & 0xf8) << 8 | (bestcolor[0][1] & 0xfc) << 3 | bestcolor[0][2] >> 3) <
((bestcolor[1][0] & 0xf8) << 8 | (bestcolor[1][1] & 0xfc) << 3 | bestcolor[1][2] >> 3)) {
testcolor[0][0] = bestcolor[0][0];
testcolor[0][1] = bestcolor[0][1];
testcolor[0][2] = bestcolor[0][2];
testcolor[1][0] = bestcolor[1][0];
testcolor[1][1] = bestcolor[1][1];
testcolor[1][2] = bestcolor[1][2];
}
else {
testcolor[1][0] = bestcolor[0][0];
testcolor[1][1] = bestcolor[0][1];
testcolor[1][2] = bestcolor[0][2];
testcolor[0][0] = bestcolor[1][0];
testcolor[0][1] = bestcolor[1][1];
testcolor[0][2] = bestcolor[1][2];
}
for (i = 0; i < 3; i ++) {
cv[0][i] = testcolor[0][i];
cv[1][i] = testcolor[1][i];
cv[2][i] = (testcolor[0][i] * 2 + testcolor[1][i]) / 3;
cv[3][i] = (testcolor[0][i] + testcolor[1][i] * 2) / 3;
}
blockerrlin[0][0] = 0;
blockerrlin[0][1] = 0;
blockerrlin[0][2] = 0;
blockerrlin[1][0] = 0;
blockerrlin[1][1] = 0;
blockerrlin[1][2] = 0;
nrcolor[0] = 0;
nrcolor[1] = 0;
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
pixerrorbest = 0xffffffff;
for (colors = 0; colors < 4; colors++) {
colordist = srccolors[j][i][0] - (cv[colors][0]);
pixerror = colordist * colordist * REDWEIGHT;
pixerrorred = colordist;
colordist = srccolors[j][i][1] - (cv[colors][1]);
pixerror += colordist * colordist * GREENWEIGHT;
pixerrorgreen = colordist;
colordist = srccolors[j][i][2] - (cv[colors][2]);
pixerror += colordist * colordist * BLUEWEIGHT;
pixerrorblue = colordist;
if (pixerror < pixerrorbest) {
enc = colors;
pixerrorbest = pixerror;
pixerrorcolorbest[0] = pixerrorred;
pixerrorcolorbest[1] = pixerrorgreen;
pixerrorcolorbest[2] = pixerrorblue;
}
}
if (enc == 0) {
for (z = 0; z < 3; z++) {
blockerrlin[0][z] += 3 * pixerrorcolorbest[z];
}
nrcolor[0] += 3;
}
else if (enc == 2) {
for (z = 0; z < 3; z++) {
blockerrlin[0][z] += 2 * pixerrorcolorbest[z];
}
nrcolor[0] += 2;
for (z = 0; z < 3; z++) {
blockerrlin[1][z] += 1 * pixerrorcolorbest[z];
}
nrcolor[1] += 1;
}
else if (enc == 3) {
for (z = 0; z < 3; z++) {
blockerrlin[0][z] += 1 * pixerrorcolorbest[z];
}
nrcolor[0] += 1;
for (z = 0; z < 3; z++) {
blockerrlin[1][z] += 2 * pixerrorcolorbest[z];
}
nrcolor[1] += 2;
}
else if (enc == 1) {
for (z = 0; z < 3; z++) {
blockerrlin[1][z] += 3 * pixerrorcolorbest[z];
}
nrcolor[1] += 3;
}
}
}
if (nrcolor[0] == 0) nrcolor[0] = 1;
if (nrcolor[1] == 0) nrcolor[1] = 1;
for (j = 0; j < 2; j++) {
for (i = 0; i < 3; i++) {
GLint newvalue = testcolor[j][i] + blockerrlin[j][i] / nrcolor[j];
if (newvalue <= 0)
testcolor[j][i] = 0;
else if (newvalue >= 255)
testcolor[j][i] = 255;
else testcolor[j][i] = newvalue;
}
}
if ((abs(testcolor[0][0] - testcolor[1][0]) < 8) &&
(abs(testcolor[0][1] - testcolor[1][1]) < 4) &&
(abs(testcolor[0][2] - testcolor[1][2]) < 8)) {
/* both colors are so close they might get encoded as the same 16bit values */
GLubyte coldiffred, coldiffgreen, coldiffblue, coldiffmax, factor, ind0, ind1;
coldiffred = abs(testcolor[0][0] - testcolor[1][0]);
coldiffgreen = 2 * abs(testcolor[0][1] - testcolor[1][1]);
coldiffblue = abs(testcolor[0][2] - testcolor[1][2]);
coldiffmax = coldiffred;
if (coldiffmax < coldiffgreen) coldiffmax = coldiffgreen;
if (coldiffmax < coldiffblue) coldiffmax = coldiffblue;
if (coldiffmax > 0) {
if (coldiffmax > 4) factor = 2;
else if (coldiffmax > 2) factor = 3;
else factor = 4;
/* Won't do much if the color value is near 255... */
/* argh so many ifs */
if (testcolor[1][1] >= testcolor[0][1]) {
ind1 = 1; ind0 = 0;
}
else {
ind1 = 0; ind0 = 1;
}
if ((testcolor[ind1][1] + factor * coldiffgreen) <= 255)
testcolor[ind1][1] += factor * coldiffgreen;
else testcolor[ind1][1] = 255;
if ((testcolor[ind1][0] - testcolor[ind0][1]) > 0) {
if ((testcolor[ind1][0] + factor * coldiffred) <= 255)
testcolor[ind1][0] += factor * coldiffred;
else testcolor[ind1][0] = 255;
}
else {
if ((testcolor[ind0][0] + factor * coldiffred) <= 255)
testcolor[ind0][0] += factor * coldiffred;
else testcolor[ind0][0] = 255;
}
if ((testcolor[ind1][2] - testcolor[ind0][2]) > 0) {
if ((testcolor[ind1][2] + factor * coldiffblue) <= 255)
testcolor[ind1][2] += factor * coldiffblue;
else testcolor[ind1][2] = 255;
}
else {
if ((testcolor[ind0][2] + factor * coldiffblue) <= 255)
testcolor[ind0][2] += factor * coldiffblue;
else testcolor[ind0][2] = 255;
}
}
}
if (((testcolor[0][0] & 0xf8) << 8 | (testcolor[0][1] & 0xfc) << 3 | testcolor[0][2] >> 3) <
((testcolor[1][0] & 0xf8) << 8 | (testcolor[1][1] & 0xfc) << 3 | testcolor[1][2]) >> 3) {
for (i = 0; i < 3; i++) {
bestcolor[0][i] = testcolor[0][i];
bestcolor[1][i] = testcolor[1][i];
}
}
else {
for (i = 0; i < 3; i++) {
bestcolor[0][i] = testcolor[1][i];
bestcolor[1][i] = testcolor[0][i];
}
}
/* fprintf(stderr, "color end 0 r/g/b %d/%d/%d, 1 r/g/b %d/%d/%d\n",
bestcolor[0][0], bestcolor[0][1], bestcolor[0][2], bestcolor[1][0], bestcolor[1][1], bestcolor[1][2]);*/
}
static void storedxtencodedblock( GLubyte *blkaddr, GLubyte srccolors[4][4][4], GLubyte *bestcolor[2],
GLint numxpixels, GLint numypixels, GLuint type, GLboolean haveAlpha)
{
/* use same luminance-weighted distance metric to determine encoding as for finding the base colors */
GLint i, j, colors;
GLuint testerror, testerror2, pixerror, pixerrorbest;
GLint colordist;
GLushort color0, color1, tempcolor;
GLuint bits = 0, bits2 = 0;
GLubyte *colorptr;
GLubyte enc = 0;
GLubyte cv[4][4];
bestcolor[0][0] = bestcolor[0][0] & 0xf8;
bestcolor[0][1] = bestcolor[0][1] & 0xfc;
bestcolor[0][2] = bestcolor[0][2] & 0xf8;
bestcolor[1][0] = bestcolor[1][0] & 0xf8;
bestcolor[1][1] = bestcolor[1][1] & 0xfc;
bestcolor[1][2] = bestcolor[1][2] & 0xf8;
color0 = bestcolor[0][0] << 8 | bestcolor[0][1] << 3 | bestcolor[0][2] >> 3;
color1 = bestcolor[1][0] << 8 | bestcolor[1][1] << 3 | bestcolor[1][2] >> 3;
if (color0 < color1) {
tempcolor = color0; color0 = color1; color1 = tempcolor;
colorptr = bestcolor[0]; bestcolor[0] = bestcolor[1]; bestcolor[1] = colorptr;
}
for (i = 0; i < 3; i++) {
cv[0][i] = bestcolor[0][i];
cv[1][i] = bestcolor[1][i];
cv[2][i] = (bestcolor[0][i] * 2 + bestcolor[1][i]) / 3;
cv[3][i] = (bestcolor[0][i] + bestcolor[1][i] * 2) / 3;
}
testerror = 0;
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
pixerrorbest = 0xffffffff;
for (colors = 0; colors < 4; colors++) {
colordist = srccolors[j][i][0] - cv[colors][0];
pixerror = colordist * colordist * REDWEIGHT;
colordist = srccolors[j][i][1] - cv[colors][1];
pixerror += colordist * colordist * GREENWEIGHT;
colordist = srccolors[j][i][2] - cv[colors][2];
pixerror += colordist * colordist * BLUEWEIGHT;
if (pixerror < pixerrorbest) {
pixerrorbest = pixerror;
enc = colors;
}
}
testerror += pixerrorbest;
bits |= enc << (2 * (j * 4 + i));
}
}
/* some hw might disagree but actually decoding should always use 4-color encoding
for non-dxt1 formats */
if (type == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || type == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
for (i = 0; i < 3; i++) {
cv[2][i] = (bestcolor[0][i] + bestcolor[1][i]) / 2;
/* this isn't used. Looks like the black color constant can only be used
with RGB_DXT1 if I read the spec correctly (note though that the radeon gpu disagrees,
it will decode 3 to black even with DXT3/5), and due to how the color searching works
it won't get used even then */
cv[3][i] = 0;
}
testerror2 = 0;
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
pixerrorbest = 0xffffffff;
if ((type == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) && (srccolors[j][i][3] <= ALPHACUT)) {
enc = 3;
pixerrorbest = 0; /* don't calculate error */
}
else {
/* we're calculating the same what we have done already for colors 0-1 above... */
for (colors = 0; colors < 3; colors++) {
colordist = srccolors[j][i][0] - cv[colors][0];
pixerror = colordist * colordist * REDWEIGHT;
colordist = srccolors[j][i][1] - cv[colors][1];
pixerror += colordist * colordist * GREENWEIGHT;
colordist = srccolors[j][i][2] - cv[colors][2];
pixerror += colordist * colordist * BLUEWEIGHT;
if (pixerror < pixerrorbest) {
pixerrorbest = pixerror;
/* need to exchange colors later */
if (colors > 1) enc = colors;
else enc = colors ^ 1;
}
}
}
testerror2 += pixerrorbest;
bits2 |= enc << (2 * (j * 4 + i));
}
}
} else {
testerror2 = 0xffffffff;
}
/* finally we're finished, write back colors and bits */
if ((testerror > testerror2) || (haveAlpha)) {
*blkaddr++ = color1 & 0xff;
*blkaddr++ = color1 >> 8;
*blkaddr++ = color0 & 0xff;
*blkaddr++ = color0 >> 8;
*blkaddr++ = bits2 & 0xff;
*blkaddr++ = ( bits2 >> 8) & 0xff;
*blkaddr++ = ( bits2 >> 16) & 0xff;
*blkaddr = bits2 >> 24;
}
else {
*blkaddr++ = color0 & 0xff;
*blkaddr++ = color0 >> 8;
*blkaddr++ = color1 & 0xff;
*blkaddr++ = color1 >> 8;
*blkaddr++ = bits & 0xff;
*blkaddr++ = ( bits >> 8) & 0xff;
*blkaddr++ = ( bits >> 16) & 0xff;
*blkaddr = bits >> 24;
}
}
static void encodedxtcolorblockfaster( GLubyte *blkaddr, GLubyte srccolors[4][4][4],
GLint numxpixels, GLint numypixels, GLuint type )
{
/* simplistic approach. We need two base colors, simply use the "highest" and the "lowest" color
present in the picture as base colors */
/* define lowest and highest color as shortest and longest vector to 0/0/0, though the
vectors are weighted similar to their importance in rgb-luminance conversion
doesn't work too well though...
This seems to be a rather difficult problem */
GLubyte *bestcolor[2];
GLubyte basecolors[2][3];
GLubyte i, j;
GLuint lowcv, highcv, testcv;
GLboolean haveAlpha = GL_FALSE;
lowcv = highcv = srccolors[0][0][0] * srccolors[0][0][0] * REDWEIGHT +
srccolors[0][0][1] * srccolors[0][0][1] * GREENWEIGHT +
srccolors[0][0][2] * srccolors[0][0][2] * BLUEWEIGHT;
bestcolor[0] = bestcolor[1] = srccolors[0][0];
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
/* don't use this as a base color if the pixel will get black/transparent anyway */
if ((type != GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) || (srccolors[j][i][3] > ALPHACUT)) {
testcv = srccolors[j][i][0] * srccolors[j][i][0] * REDWEIGHT +
srccolors[j][i][1] * srccolors[j][i][1] * GREENWEIGHT +
srccolors[j][i][2] * srccolors[j][i][2] * BLUEWEIGHT;
if (testcv > highcv) {
highcv = testcv;
bestcolor[1] = srccolors[j][i];
}
else if (testcv < lowcv) {
lowcv = testcv;
bestcolor[0] = srccolors[j][i];
}
}
else haveAlpha = GL_TRUE;
}
}
/* make sure the original color values won't get touched... */
for (j = 0; j < 2; j++) {
for (i = 0; i < 3; i++) {
basecolors[j][i] = bestcolor[j][i];
}
}
bestcolor[0] = basecolors[0];
bestcolor[1] = basecolors[1];
/* try to find better base colors */
fancybasecolorsearch(blkaddr, srccolors, bestcolor, numxpixels, numypixels, type, haveAlpha);
/* find the best encoding for these colors, and store the result */
storedxtencodedblock(blkaddr, srccolors, bestcolor, numxpixels, numypixels, type, haveAlpha);
}
static void writedxt5encodedalphablock( GLubyte *blkaddr, GLubyte alphabase1, GLubyte alphabase2,
GLubyte alphaenc[16])
{
*blkaddr++ = alphabase1;
*blkaddr++ = alphabase2;
*blkaddr++ = alphaenc[0] | (alphaenc[1] << 3) | ((alphaenc[2] & 3) << 6);
*blkaddr++ = (alphaenc[2] >> 2) | (alphaenc[3] << 1) | (alphaenc[4] << 4) | ((alphaenc[5] & 1) << 7);
*blkaddr++ = (alphaenc[5] >> 1) | (alphaenc[6] << 2) | (alphaenc[7] << 5);
*blkaddr++ = alphaenc[8] | (alphaenc[9] << 3) | ((alphaenc[10] & 3) << 6);
*blkaddr++ = (alphaenc[10] >> 2) | (alphaenc[11] << 1) | (alphaenc[12] << 4) | ((alphaenc[13] & 1) << 7);
*blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
}
static void encodedxt5alpha(GLubyte *blkaddr, GLubyte srccolors[4][4][4],
GLint numxpixels, GLint numypixels)
{
GLubyte alphabase[2], alphause[2];
GLshort alphatest[2];
GLuint alphablockerror1, alphablockerror2, alphablockerror3;
GLubyte i, j, aindex, acutValues[7];
GLubyte alphaenc1[16], alphaenc2[16], alphaenc3[16];
GLboolean alphaabsmin = GL_FALSE;
GLboolean alphaabsmax = GL_FALSE;
GLshort alphadist;
/* find lowest and highest alpha value in block, alphabase[0] lowest, alphabase[1] highest */
alphabase[0] = 0xff; alphabase[1] = 0x0;
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
if (srccolors[j][i][3] == 0)
alphaabsmin = GL_TRUE;
else if (srccolors[j][i][3] == 255)
alphaabsmax = GL_TRUE;
else {
if (srccolors[j][i][3] > alphabase[1])
alphabase[1] = srccolors[j][i][3];
if (srccolors[j][i][3] < alphabase[0])
alphabase[0] = srccolors[j][i][3];
}
}
}
if ((alphabase[0] > alphabase[1]) && !(alphaabsmin && alphaabsmax)) { /* one color, either max or min */
/* shortcut here since it is a very common case (and also avoids later problems) */
/* || (alphabase[0] == alphabase[1] && !alphaabsmin && !alphaabsmax) */
/* could also thest for alpha0 == alpha1 (and not min/max), but probably not common, so don't bother */
*blkaddr++ = srccolors[0][0][3];
blkaddr++;
*blkaddr++ = 0;
*blkaddr++ = 0;
*blkaddr++ = 0;
*blkaddr++ = 0;
*blkaddr++ = 0;
*blkaddr++ = 0;
/* fprintf(stderr, "enc0 used\n");*/
return;
}
/* find best encoding for alpha0 > alpha1 */
/* it's possible this encoding is better even if both alphaabsmin and alphaabsmax are true */
alphablockerror1 = 0x0;
alphablockerror2 = 0xffffffff;
alphablockerror3 = 0xffffffff;
if (alphaabsmin) alphause[0] = 0;
else alphause[0] = alphabase[0];
if (alphaabsmax) alphause[1] = 255;
else alphause[1] = alphabase[1];
/* calculate the 7 cut values, just the middle between 2 of the computed alpha values */
for (aindex = 0; aindex < 7; aindex++) {
/* don't forget here is always rounded down */
acutValues[aindex] = (alphause[0] * (2*aindex + 1) + alphause[1] * (14 - (2*aindex + 1))) / 14;
}
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
/* maybe it's overkill to have the most complicated calculation just for the error
calculation which we only need to figure out if encoding1 or encoding2 is better... */
if (srccolors[j][i][3] > acutValues[0]) {
alphaenc1[4*j + i] = 0;
alphadist = srccolors[j][i][3] - alphause[1];
}
else if (srccolors[j][i][3] > acutValues[1]) {
alphaenc1[4*j + i] = 2;
alphadist = srccolors[j][i][3] - (alphause[1] * 6 + alphause[0] * 1) / 7;
}
else if (srccolors[j][i][3] > acutValues[2]) {
alphaenc1[4*j + i] = 3;
alphadist = srccolors[j][i][3] - (alphause[1] * 5 + alphause[0] * 2) / 7;
}
else if (srccolors[j][i][3] > acutValues[3]) {
alphaenc1[4*j + i] = 4;
alphadist = srccolors[j][i][3] - (alphause[1] * 4 + alphause[0] * 3) / 7;
}
else if (srccolors[j][i][3] > acutValues[4]) {
alphaenc1[4*j + i] = 5;
alphadist = srccolors[j][i][3] - (alphause[1] * 3 + alphause[0] * 4) / 7;
}
else if (srccolors[j][i][3] > acutValues[5]) {
alphaenc1[4*j + i] = 6;
alphadist = srccolors[j][i][3] - (alphause[1] * 2 + alphause[0] * 5) / 7;
}
else if (srccolors[j][i][3] > acutValues[6]) {
alphaenc1[4*j + i] = 7;
alphadist = srccolors[j][i][3] - (alphause[1] * 1 + alphause[0] * 6) / 7;
}
else {
alphaenc1[4*j + i] = 1;
alphadist = srccolors[j][i][3] - alphause[0];
}
alphablockerror1 += alphadist * alphadist;
}
}
/* for (i = 0; i < 16; i++) {
fprintf(stderr, "%d ", alphaenc1[i]);
}
fprintf(stderr, "cutVals ");
for (i = 0; i < 8; i++) {
fprintf(stderr, "%d ", acutValues[i]);
}
fprintf(stderr, "srcVals ");
for (j = 0; j < numypixels; j++)
for (i = 0; i < numxpixels; i++) {
fprintf(stderr, "%d ", srccolors[j][i][3]);
}
fprintf(stderr, "\n");
}*/
/* it's not very likely this encoding is better if both alphaabsmin and alphaabsmax
are false but try it anyway */
if (alphablockerror1 >= 32) {
/* don't bother if encoding is already very good, this condition should also imply
we have valid alphabase colors which we absolutely need (alphabase[0] <= alphabase[1]) */
alphablockerror2 = 0;
for (aindex = 0; aindex < 5; aindex++) {
/* don't forget here is always rounded down */
acutValues[aindex] = (alphabase[0] * (10 - (2*aindex + 1)) + alphabase[1] * (2*aindex + 1)) / 10;
}
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
/* maybe it's overkill to have the most complicated calculation just for the error
calculation which we only need to figure out if encoding1 or encoding2 is better... */
if (srccolors[j][i][3] == 0) {
alphaenc2[4*j + i] = 6;
alphadist = 0;
}
else if (srccolors[j][i][3] == 255) {
alphaenc2[4*j + i] = 7;
alphadist = 0;
}
else if (srccolors[j][i][3] <= acutValues[0]) {
alphaenc2[4*j + i] = 0;
alphadist = srccolors[j][i][3] - alphabase[0];
}
else if (srccolors[j][i][3] <= acutValues[1]) {
alphaenc2[4*j + i] = 2;
alphadist = srccolors[j][i][3] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;
}
else if (srccolors[j][i][3] <= acutValues[2]) {
alphaenc2[4*j + i] = 3;
alphadist = srccolors[j][i][3] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;
}
else if (srccolors[j][i][3] <= acutValues[3]) {
alphaenc2[4*j + i] = 4;
alphadist = srccolors[j][i][3] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;
}
else if (srccolors[j][i][3] <= acutValues[4]) {
alphaenc2[4*j + i] = 5;
alphadist = srccolors[j][i][3] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;
}
else {
alphaenc2[4*j + i] = 1;
alphadist = srccolors[j][i][3] - alphabase[1];
}
alphablockerror2 += alphadist * alphadist;
}
}
/* skip this if the error is already very small
this encoding is MUCH better on average than #2 though, but expensive! */
if ((alphablockerror2 > 96) && (alphablockerror1 > 96)) {
GLshort blockerrlin1 = 0;
GLshort blockerrlin2 = 0;
GLubyte nralphainrangelow = 0;
GLubyte nralphainrangehigh = 0;
alphatest[0] = 0xff;
alphatest[1] = 0x0;
/* if we have large range it's likely there are values close to 0/255, try to map them to 0/255 */
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
if ((srccolors[j][i][3] > alphatest[1]) && (srccolors[j][i][3] < (255 -(alphabase[1] - alphabase[0]) / 28)))
alphatest[1] = srccolors[j][i][3];
if ((srccolors[j][i][3] < alphatest[0]) && (srccolors[j][i][3] > (alphabase[1] - alphabase[0]) / 28))
alphatest[0] = srccolors[j][i][3];
}
}
/* shouldn't happen too often, don't really care about those degenerated cases */
if (alphatest[1] <= alphatest[0]) {
alphatest[0] = 1;
alphatest[1] = 254;
/* fprintf(stderr, "only 1 or 0 colors for encoding!\n");*/
}
for (aindex = 0; aindex < 5; aindex++) {
/* don't forget here is always rounded down */
acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
}
/* find the "average" difference between the alpha values and the next encoded value.
This is then used to calculate new base values.
Should there be some weighting, i.e. those values closer to alphatest[x] have more weight,
since they will see more improvement, and also because the values in the middle are somewhat
likely to get no improvement at all (because the base values might move in different directions)?
OTOH it would mean the values in the middle are even less likely to get an improvement
*/
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
if (srccolors[j][i][3] <= alphatest[0] / 2) {
}
else if (srccolors[j][i][3] > ((255 + alphatest[1]) / 2)) {
}
else if (srccolors[j][i][3] <= acutValues[0]) {
blockerrlin1 += (srccolors[j][i][3] - alphatest[0]);
nralphainrangelow += 1;
}
else if (srccolors[j][i][3] <= acutValues[1]) {
blockerrlin1 += (srccolors[j][i][3] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
blockerrlin2 += (srccolors[j][i][3] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
nralphainrangelow += 1;
nralphainrangehigh += 1;
}
else if (srccolors[j][i][3] <= acutValues[2]) {
blockerrlin1 += (srccolors[j][i][3] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
blockerrlin2 += (srccolors[j][i][3] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
nralphainrangelow += 1;
nralphainrangehigh += 1;
}
else if (srccolors[j][i][3] <= acutValues[3]) {
blockerrlin1 += (srccolors[j][i][3] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
blockerrlin2 += (srccolors[j][i][3] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
nralphainrangelow += 1;
nralphainrangehigh += 1;
}
else if (srccolors[j][i][3] <= acutValues[4]) {
blockerrlin1 += (srccolors[j][i][3] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
blockerrlin2 += (srccolors[j][i][3] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
nralphainrangelow += 1;
nralphainrangehigh += 1;
}
else {
blockerrlin2 += (srccolors[j][i][3] - alphatest[1]);
nralphainrangehigh += 1;
}
}
}
/* shouldn't happen often, needed to avoid div by zero */
if (nralphainrangelow == 0) nralphainrangelow = 1;
if (nralphainrangehigh == 0) nralphainrangehigh = 1;
alphatest[0] = alphatest[0] + (blockerrlin1 / nralphainrangelow);
/* fprintf(stderr, "block err lin low %d, nr %d\n", blockerrlin1, nralphainrangelow);
fprintf(stderr, "block err lin high %d, nr %d\n", blockerrlin2, nralphainrangehigh);*/
/* again shouldn't really happen often... */
if (alphatest[0] < 0) {
alphatest[0] = 0;
/* fprintf(stderr, "adj alpha base val to 0\n");*/
}
alphatest[1] = alphatest[1] + (blockerrlin2 / nralphainrangehigh);
if (alphatest[1] > 255) {
alphatest[1] = 255;
/* fprintf(stderr, "adj alpha base val to 255\n");*/
}
alphablockerror3 = 0;
for (aindex = 0; aindex < 5; aindex++) {
/* don't forget here is always rounded down */
acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
}
for (j = 0; j < numypixels; j++) {
for (i = 0; i < numxpixels; i++) {
/* maybe it's overkill to have the most complicated calculation just for the error
calculation which we only need to figure out if encoding1 or encoding2 is better... */
if (srccolors[j][i][3] <= alphatest[0] / 2) {
alphaenc3[4*j + i] = 6;
alphadist = srccolors[j][i][3];
}
else if (srccolors[j][i][3] > ((255 + alphatest[1]) / 2)) {
alphaenc3[4*j + i] = 7;
alphadist = 255 - srccolors[j][i][3];
}
else if (srccolors[j][i][3] <= acutValues[0]) {
alphaenc3[4*j + i] = 0;
alphadist = srccolors[j][i][3] - alphatest[0];
}
else if (srccolors[j][i][3] <= acutValues[1]) {
alphaenc3[4*j + i] = 2;
alphadist = srccolors[j][i][3] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;
}
else if (srccolors[j][i][3] <= acutValues[2]) {
alphaenc3[4*j + i] = 3;
alphadist = srccolors[j][i][3] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;
}
else if (srccolors[j][i][3] <= acutValues[3]) {
alphaenc3[4*j + i] = 4;
alphadist = srccolors[j][i][3] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;
}
else if (srccolors[j][i][3] <= acutValues[4]) {
alphaenc3[4*j + i] = 5;
alphadist = srccolors[j][i][3] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;
}
else {
alphaenc3[4*j + i] = 1;
alphadist = srccolors[j][i][3] - alphatest[1];
}
alphablockerror3 += alphadist * alphadist;
}
}
}
}
/* write the alpha values and encoding back. */
if ((alphablockerror1 <= alphablockerror2) && (alphablockerror1 <= alphablockerror3)) {
/* if (alphablockerror1 > 96) fprintf(stderr, "enc1 used, error %d\n", alphablockerror1);*/
writedxt5encodedalphablock( blkaddr, alphause[1], alphause[0], alphaenc1 );
}
else if (alphablockerror2 <= alphablockerror3) {
/* if (alphablockerror2 > 96) fprintf(stderr, "enc2 used, error %d\n", alphablockerror2);*/
writedxt5encodedalphablock( blkaddr, alphabase[0], alphabase[1], alphaenc2 );
}
else {
/* fprintf(stderr, "enc3 used, error %d\n", alphablockerror3);*/
writedxt5encodedalphablock( blkaddr, (GLubyte)alphatest[0], (GLubyte)alphatest[1], alphaenc3 );
}
}
static void extractsrccolors( GLubyte srcpixels[4][4][4], const GLchan *srcaddr,
GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
{
GLubyte i, j, c;
const GLchan *curaddr;
for (j = 0; j < numypixels; j++) {
curaddr = srcaddr + j * srcRowStride * comps;
for (i = 0; i < numxpixels; i++) {
for (c = 0; c < comps; c++) {
srcpixels[j][i][c] = *curaddr++ / (CHAN_MAX / 255);
}
}
}
}
void tx_compress_dxtn(GLint srccomps, GLint width, GLint height, const GLubyte *srcPixData,
GLenum destFormat, GLubyte *dest, GLint dstRowStride)
{
GLubyte *blkaddr = dest;
GLubyte srcpixels[4][4][4];
const GLchan *srcaddr = srcPixData;
GLint numxpixels, numypixels;
GLint i, j;
GLint dstRowDiff;
switch (destFormat) {
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
/* hmm we used to get called without dstRowStride... */
dstRowDiff = dstRowStride >= (width * 2) ? dstRowStride - (((width + 3) & ~3) * 2) : 0;
/* fprintf(stderr, "dxt1 tex width %d tex height %d dstRowStride %d\n",
width, height, dstRowStride); */
for (j = 0; j < height; j += 4) {
if (height > j + 3) numypixels = 4;
else numypixels = height - j;
srcaddr = srcPixData + j * width * srccomps;
for (i = 0; i < width; i += 4) {
if (width > i + 3) numxpixels = 4;
else numxpixels = width - i;
extractsrccolors(srcpixels, srcaddr, width, numxpixels, numypixels, srccomps);
encodedxtcolorblockfaster(blkaddr, srcpixels, numxpixels, numypixels, destFormat);
srcaddr += srccomps * numxpixels;
blkaddr += 8;
}
blkaddr += dstRowDiff;
}
break;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
dstRowDiff = dstRowStride >= (width * 4) ? dstRowStride - (((width + 3) & ~3) * 4) : 0;
/* fprintf(stderr, "dxt3 tex width %d tex height %d dstRowStride %d\n",
width, height, dstRowStride); */
for (j = 0; j < height; j += 4) {
if (height > j + 3) numypixels = 4;
else numypixels = height - j;
srcaddr = srcPixData + j * width * srccomps;
for (i = 0; i < width; i += 4) {
if (width > i + 3) numxpixels = 4;
else numxpixels = width - i;
extractsrccolors(srcpixels, srcaddr, width, numxpixels, numypixels, srccomps);
*blkaddr++ = (srcpixels[0][0][3] >> 4) | (srcpixels[0][1][3] & 0xf0);
*blkaddr++ = (srcpixels[0][2][3] >> 4) | (srcpixels[0][3][3] & 0xf0);
*blkaddr++ = (srcpixels[1][0][3] >> 4) | (srcpixels[1][1][3] & 0xf0);
*blkaddr++ = (srcpixels[1][2][3] >> 4) | (srcpixels[1][3][3] & 0xf0);
*blkaddr++ = (srcpixels[2][0][3] >> 4) | (srcpixels[2][1][3] & 0xf0);
*blkaddr++ = (srcpixels[2][2][3] >> 4) | (srcpixels[2][3][3] & 0xf0);
*blkaddr++ = (srcpixels[3][0][3] >> 4) | (srcpixels[3][1][3] & 0xf0);
*blkaddr++ = (srcpixels[3][2][3] >> 4) | (srcpixels[3][3][3] & 0xf0);
encodedxtcolorblockfaster(blkaddr, srcpixels, numxpixels, numypixels, destFormat);
srcaddr += srccomps * numxpixels;
blkaddr += 8;
}
blkaddr += dstRowDiff;
}
break;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
dstRowDiff = dstRowStride >= (width * 4) ? dstRowStride - (((width + 3) & ~3) * 4) : 0;
/* fprintf(stderr, "dxt5 tex width %d tex height %d dstRowStride %d\n",
width, height, dstRowStride); */
for (j = 0; j < height; j += 4) {
if (height > j + 3) numypixels = 4;
else numypixels = height - j;
srcaddr = srcPixData + j * width * srccomps;
for (i = 0; i < width; i += 4) {
if (width > i + 3) numxpixels = 4;
else numxpixels = width - i;
extractsrccolors(srcpixels, srcaddr, width, numxpixels, numypixels, srccomps);
encodedxt5alpha(blkaddr, srcpixels, numxpixels, numypixels);
encodedxtcolorblockfaster(blkaddr + 8, srcpixels, numxpixels, numypixels, destFormat);
srcaddr += srccomps * numxpixels;
blkaddr += 16;
}
blkaddr += dstRowDiff;
}
break;
default:
/* fprintf(stderr, "libdxtn: Bad dstFormat %d in tx_compress_dxtn\n", destFormat); */
return;
}
}

52
dlls/d3dx9_36/txc_dxtn.h Normal file
View File

@ -0,0 +1,52 @@
/*
* libtxc_dxtn
* Version: 1.0
*
* Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _TXC_DXTN_H
#define _TXC_DXTN_H
#include "winternl.h"
#include "wine/wgl.h"
typedef GLubyte GLchan;
#define UBYTE_TO_CHAN(b) (b)
#define CHAN_MAX 255
#define RCOMP 0
#define GCOMP 1
#define BCOMP 2
#define ACOMP 3
void fetch_2d_texel_rgb_dxt1(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel);
void fetch_2d_texel_rgba_dxt1(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel);
void fetch_2d_texel_rgba_dxt3(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel);
void fetch_2d_texel_rgba_dxt5(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel);
void tx_compress_dxtn(GLint srccomps, GLint width, GLint height,
const GLubyte *srcPixData, GLenum destformat,
GLubyte *dest, GLint dstRowStride);
#endif /* _TXC_DXTN_H */

View File

@ -0,0 +1,243 @@
/*
* libtxc_dxtn
* Version: 1.0
*
* Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include "txc_dxtn.h"
#define EXP5TO8R(packedcol) \
((((packedcol) >> 8) & 0xf8) | (((packedcol) >> 13) & 0x7))
#define EXP6TO8G(packedcol) \
((((packedcol) >> 3) & 0xfc) | (((packedcol) >> 9) & 0x3))
#define EXP5TO8B(packedcol) \
((((packedcol) << 3) & 0xf8) | (((packedcol) >> 2) & 0x7))
#define EXP4TO8(col) \
((col) | ((col) << 4))
/* inefficient. To be efficient, it would be necessary to decode 16 pixels at once */
static void dxt135_decode_imageblock ( const GLubyte *img_block_src,
GLint i, GLint j, GLuint dxt_type, GLvoid *texel ) {
GLchan *rgba = (GLchan *) texel;
const GLushort color0 = img_block_src[0] | (img_block_src[1] << 8);
const GLushort color1 = img_block_src[2] | (img_block_src[3] << 8);
const GLuint bits = img_block_src[4] | (img_block_src[5] << 8) |
(img_block_src[6] << 16) | (img_block_src[7] << 24);
/* What about big/little endian? */
GLubyte bit_pos = 2 * (j * 4 + i) ;
GLubyte code = (GLubyte) ((bits >> bit_pos) & 3);
rgba[ACOMP] = CHAN_MAX;
switch (code) {
case 0:
rgba[RCOMP] = UBYTE_TO_CHAN( EXP5TO8R(color0) );
rgba[GCOMP] = UBYTE_TO_CHAN( EXP6TO8G(color0) );
rgba[BCOMP] = UBYTE_TO_CHAN( EXP5TO8B(color0) );
break;
case 1:
rgba[RCOMP] = UBYTE_TO_CHAN( EXP5TO8R(color1) );
rgba[GCOMP] = UBYTE_TO_CHAN( EXP6TO8G(color1) );
rgba[BCOMP] = UBYTE_TO_CHAN( EXP5TO8B(color1) );
break;
case 2:
if ((dxt_type > 1) || (color0 > color1)) {
rgba[RCOMP] = UBYTE_TO_CHAN( ((EXP5TO8R(color0) * 2 + EXP5TO8R(color1)) / 3) );
rgba[GCOMP] = UBYTE_TO_CHAN( ((EXP6TO8G(color0) * 2 + EXP6TO8G(color1)) / 3) );
rgba[BCOMP] = UBYTE_TO_CHAN( ((EXP5TO8B(color0) * 2 + EXP5TO8B(color1)) / 3) );
}
else {
rgba[RCOMP] = UBYTE_TO_CHAN( ((EXP5TO8R(color0) + EXP5TO8R(color1)) / 2) );
rgba[GCOMP] = UBYTE_TO_CHAN( ((EXP6TO8G(color0) + EXP6TO8G(color1)) / 2) );
rgba[BCOMP] = UBYTE_TO_CHAN( ((EXP5TO8B(color0) + EXP5TO8B(color1)) / 2) );
}
break;
case 3:
if ((dxt_type > 1) || (color0 > color1)) {
rgba[RCOMP] = UBYTE_TO_CHAN( ((EXP5TO8R(color0) + EXP5TO8R(color1) * 2) / 3) );
rgba[GCOMP] = UBYTE_TO_CHAN( ((EXP6TO8G(color0) + EXP6TO8G(color1) * 2) / 3) );
rgba[BCOMP] = UBYTE_TO_CHAN( ((EXP5TO8B(color0) + EXP5TO8B(color1) * 2) / 3) );
}
else {
rgba[RCOMP] = 0;
rgba[GCOMP] = 0;
rgba[BCOMP] = 0;
if (dxt_type == 1) rgba[ACOMP] = UBYTE_TO_CHAN(0);
}
break;
default:
/* CANNOT happen (I hope) */
break;
}
}
void fetch_2d_texel_rgb_dxt1(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel)
{
/* Extract the (i,j) pixel from pixdata and return it
* in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP].
*/
const GLubyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8);
dxt135_decode_imageblock(blksrc, (i&3), (j&3), 0, texel);
}
void fetch_2d_texel_rgba_dxt1(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel)
{
/* Extract the (i,j) pixel from pixdata and return it
* in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP].
*/
const GLubyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8);
dxt135_decode_imageblock(blksrc, (i&3), (j&3), 1, texel);
}
void fetch_2d_texel_rgba_dxt3(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel) {
/* Extract the (i,j) pixel from pixdata and return it
* in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP].
*/
GLchan *rgba = (GLchan *) texel;
const GLubyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 16);
#if 0
/* Simple 32bit version. */
/* that's pretty brain-dead for a single pixel, isn't it? */
const GLubyte bit_pos = 4 * ((j&3) * 4 + (i&3));
const GLuint alpha_low = blksrc[0] | (blksrc[1] << 8) | (blksrc[2] << 16) | (blksrc[3] << 24);
const GLuint alpha_high = blksrc[4] | (blksrc[5] << 8) | (blksrc[6] << 16) | (blksrc[7] << 24);
dxt135_decode_imageblock(blksrc + 8, (i&3), (j&3), 2, texel);
if (bit_pos < 32)
rgba[ACOMP] = UBYTE_TO_CHAN( (GLubyte)(EXP4TO8((alpha_low >> bit_pos) & 15)) );
else
rgba[ACOMP] = UBYTE_TO_CHAN( (GLubyte)(EXP4TO8((alpha_high >> (bit_pos - 32)) & 15)) );
#endif
#if 1
/* TODO test this! */
const GLubyte anibble = (blksrc[((j&3) * 4 + (i&3)) / 2] >> (4 * (i&1))) & 0xf;
dxt135_decode_imageblock(blksrc + 8, (i&3), (j&3), 2, texel);
rgba[ACOMP] = UBYTE_TO_CHAN( (GLubyte)(EXP4TO8(anibble)) );
#endif
}
void fetch_2d_texel_rgba_dxt5(GLint srcRowStride, const GLubyte *pixdata,
GLint i, GLint j, GLvoid *texel) {
/* Extract the (i,j) pixel from pixdata and return it
* in texel[RCOMP], texel[GCOMP], texel[BCOMP], texel[ACOMP].
*/
GLchan *rgba = (GLchan *) texel;
const GLubyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 16);
const GLubyte alpha0 = blksrc[0];
const GLubyte alpha1 = blksrc[1];
#if 0
const GLubyte bit_pos = 3 * ((j&3) * 4 + (i&3));
/* simple 32bit version */
const GLuint bits_low = blksrc[2] | (blksrc[3] << 8) | (blksrc[4] << 16) | (blksrc[5] << 24);
const GLuint bits_high = blksrc[6] | (blksrc[7] << 8);
GLubyte code;
if (bit_pos < 30)
code = (GLubyte) ((bits_low >> bit_pos) & 7);
else if (bit_pos == 30)
code = (GLubyte) ((bits_low >> 30) & 3) | ((bits_high << 2) & 4);
else
code = (GLubyte) ((bits_high >> (bit_pos - 32)) & 7);
#endif
#if 1
/* TODO test this! */
const GLubyte bit_pos = ((j&3) * 4 + (i&3)) * 3;
const GLubyte acodelow = blksrc[2 + bit_pos / 8];
const GLubyte acodehigh = blksrc[3 + bit_pos / 8];
const GLubyte code = (acodelow >> (bit_pos & 0x7) |
(acodehigh << (8 - (bit_pos & 0x7)))) & 0x7;
#endif
dxt135_decode_imageblock(blksrc + 8, (i&3), (j&3), 2, texel);
#if 0
if (alpha0 > alpha1) {
switch (code) {
case 0:
rgba[ACOMP] = UBYTE_TO_CHAN( alpha0 );
break;
case 1:
rgba[ACOMP] = UBYTE_TO_CHAN( alpha1 );
break;
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
rgba[ACOMP] = UBYTE_TO_CHAN( ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7) );
break;
}
}
else {
switch (code) {
case 0:
rgba[ACOMP] = UBYTE_TO_CHAN( alpha0 );
break;
case 1:
rgba[ACOMP] = UBYTE_TO_CHAN( alpha1 );
break;
case 2:
case 3:
case 4:
case 5:
rgba[ACOMP] = UBYTE_TO_CHAN( ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5) );
break;
case 6:
rgba[ACOMP] = 0;
break;
case 7:
rgba[ACOMP] = CHAN_MAX;
break;
}
}
#endif
/* not sure. Which version is faster? */
#if 1
/* TODO test this */
if (code == 0)
rgba[ACOMP] = UBYTE_TO_CHAN( alpha0 );
else if (code == 1)
rgba[ACOMP] = UBYTE_TO_CHAN( alpha1 );
else if (alpha0 > alpha1)
rgba[ACOMP] = UBYTE_TO_CHAN( ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7) );
else if (code < 6)
rgba[ACOMP] = UBYTE_TO_CHAN( ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5) );
else if (code == 6)
rgba[ACOMP] = 0;
else
rgba[ACOMP] = CHAN_MAX;
#endif
}

View File

@ -185,7 +185,6 @@ HRESULT WINAPI D3DXLoadVolumeFromMemory(IDirect3DVolume9 *dst_volume,
{
const BYTE *src_addr;
if (!is_conversion_from_supported(src_format_desc)
|| !is_conversion_to_supported(dst_format_desc))
{

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c

View File

@ -22,6 +22,8 @@ C_SRCS = \
sprite.c \
surface.c \
texture.c \
txc_compress_dxtn.c \
txc_fetch_dxtn.c \
util.c \
volume.c \
xfile.c