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Remove FormatElement::byteSize(), move to ResourceFormat

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baldurk
2019-11-29 13:53:44 +00:00
parent 00170e2ec3
commit 324b96c977
4 changed files with 72 additions and 23 deletions
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renderdoc/api/replay/data_types.h
+64
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@@ -284,6 +284,70 @@ Invalid values will result in 1 being set.
flags |= ResourceFormat_3Planes;
}
DOCUMENT(R"(Return the size of a single element in this format, usually a pixel. For regular sized
formats this is just :data:`compByteWidth` times :data:`compCount`, for special packed formats it's
the tightly packed size of a single element, with no padding.
Block-compressed formats define an 'element' as a whole block of texels.
YUV formats where texel size varies depending on subsampling will return the size of a decompressed
texel.
:return: The size of an element
:rtype: int
)");
uint32_t ElementSize() const
{
switch(type)
{
case ResourceFormatType::Undefined: break;
case ResourceFormatType::Regular: return compByteWidth * compCount;
case ResourceFormatType::BC1:
case ResourceFormatType::BC4:
return 8; // 8 bytes for 4x4 block
case ResourceFormatType::BC2:
case ResourceFormatType::BC3:
case ResourceFormatType::BC5:
case ResourceFormatType::BC6:
case ResourceFormatType::BC7:
return 16; // 16 bytes for 4x4 block
case ResourceFormatType::ETC2: return 8;
case ResourceFormatType::EAC:
if(compCount == 1)
return 8; // single channel R11 EAC
else if(compCount == 2)
return 16; // two channel RG11 EAC
else
return 16; // RGBA8 EAC
case ResourceFormatType::ASTC:
return 16; // ASTC is always 128 bits per block
case ResourceFormatType::R10G10B10A2:
case ResourceFormatType::R11G11B10:
case ResourceFormatType::R9G9B9E5: return 4;
case ResourceFormatType::R5G6B5:
case ResourceFormatType::R5G5B5A1:
case ResourceFormatType::R4G4B4A4: return 2;
case ResourceFormatType::R4G4: return 1;
case ResourceFormatType::D16S8:
return 3; // we define the size as tightly packed, so 3 bytes.
case ResourceFormatType::D24S8: return 4;
case ResourceFormatType::D32S8:
return 5; // we define the size as tightly packed, so 5 bytes.
case ResourceFormatType::S8:
case ResourceFormatType::A8:
return 1;
// can't give a sensible answer for YUV formats as the texel varies.
case ResourceFormatType::YUV8: return compCount;
case ResourceFormatType::YUV10:
case ResourceFormatType::YUV12:
case ResourceFormatType::YUV16: return compCount * 2;
case ResourceFormatType::PVRTC:
return 8; // our representation can't differentiate 2bpp from 4bpp, so guess
}
return 0;
}
ResourceFormatType type;
DOCUMENT("The :class:`type <CompType>` of each component.");