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Some legay DDS formats should only be used for non-SRGB data

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baldurk
2022-12-15 15:17:05 +00:00
parent 3bd97a3b82
commit 013527b59c
1 changed files with 4 additions and 5 deletions
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renderdoc/common/dds_readwrite.cpp
+4 -5
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@@ -810,8 +810,7 @@ RDResult write_dds_to_file(FILE *f, const write_dds_data &data)
// special case a couple of formats to write out non-DX10 style, for
// backwards compatibility
if(data.format.compByteWidth * data.format.compCount <= 4 &&
data.format.type == ResourceFormatType::Regular &&
(data.format.compType == CompType::UNorm || data.format.compType == CompType::UNormSRGB))
data.format.type == ResourceFormatType::Regular && data.format.compType == CompType::UNorm)
{
uint32_t bits = data.format.compByteWidth * 8;
@@ -856,17 +855,17 @@ RDResult write_dds_to_file(FILE *f, const write_dds_data &data)
header.ddspf.dwBBitMask = 0x001f;
header.ddspf.dwABitMask = 0x0000;
}
else if(data.format.type == ResourceFormatType::BC1)
else if(data.format.type == ResourceFormatType::BC1 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '1');
}
else if(data.format.type == ResourceFormatType::BC2)
else if(data.format.type == ResourceFormatType::BC2 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '3');
}
else if(data.format.type == ResourceFormatType::BC3)
else if(data.format.type == ResourceFormatType::BC3 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '5');