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wined3d: Implement a A8R8G8B8 to X8R8G8B8 surface format converter.

This commit is contained in:
Henri Verbeet 2009-07-08 09:49:25 +02:00 committed by Alexandre Julliard
parent 8b93076819
commit 7089128d2a
1 changed files with 20 additions and 0 deletions
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20
dlls/wined3d/surface_base.c
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@ -724,6 +724,25 @@ static void convert_r5g6b5_x8r8g8b8(const BYTE *src, BYTE *dst,
}
}
static void convert_a8r8g8b8_x8r8g8b8(const BYTE *src, BYTE *dst,
DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
{
unsigned int x, y;
TRACE("Converting %ux%u pixels, pitches %u %u\n", w, h, pitch_in, pitch_out);
for (y = 0; y < h; ++y)
{
const DWORD *src_line = (const DWORD *)(src + y * pitch_in);
DWORD *dst_line = (DWORD *)(dst + y * pitch_out);
for (x = 0; x < w; ++x)
{
dst_line[x] = 0xff000000 | (src_line[x] & 0xffffff);
}
}
}
struct d3dfmt_convertor_desc {
WINED3DFORMAT from, to;
void (*convert)(const BYTE *src, BYTE *dst, DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h);
@ -733,6 +752,7 @@ static const struct d3dfmt_convertor_desc convertors[] =
{
{WINED3DFMT_R32_FLOAT, WINED3DFMT_R16_FLOAT, convert_r32_float_r16_float},
{WINED3DFMT_R5G6B5, WINED3DFMT_X8R8G8B8, convert_r5g6b5_x8r8g8b8},
{WINED3DFMT_A8R8G8B8, WINED3DFMT_X8R8G8B8, convert_a8r8g8b8_x8r8g8b8},
};
static inline const struct d3dfmt_convertor_desc *find_convertor(WINED3DFORMAT from, WINED3DFORMAT to)