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Fix RGBA8 encoding.

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This commit is contained in:
magumagu 2015-01-25 22:53:30 -08:00
parent 1ee09ced0a
commit 92189823f3
1 changed files with 6 additions and 5 deletions
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11
Source/Core/VideoCommon/TextureConversionShader.cpp
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@ -90,14 +90,15 @@ static void WriteSwizzler(char*& p, u32 format, API_TYPE ApiType)
WRITE(p, " int x_block_position = (uv1.x >> %d) << %d;\n", IntLog2(blkH * blkW / samples), IntLog2(blkW));
WRITE(p, " int y_block_position = uv1.y << %d;\n", IntLog2(blkH));
if (samples == 1)
{
// With samples == 1, we write out pairs of blocks; one A8R8, one G8B8.
WRITE(p, " bool first = !(uv1.x & %d);\n", blkH * blkW / 2);
samples = 2;
}
WRITE(p, " int offset_in_block = uv1.x & %d;\n", (blkH * blkW / samples) - 1);
WRITE(p, " int y_offset_in_block = offset_in_block >> %d;\n", IntLog2(blkW / samples));
WRITE(p, " int x_offset_in_block = (offset_in_block & %d) << %d;\n", (blkW / samples) - 1, IntLog2(samples));
if (samples == 1)
{
WRITE(p, " bool first = 0 == (x_block_position & %d);\n", blkW);
WRITE(p, " x_block_position >>= 1;\n", blkW);
}
WRITE(p, " sampleUv.x = x_block_position + x_offset_in_block;\n");
WRITE(p, " sampleUv.y = y_block_position + y_offset_in_block;\n");