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Add ‘astc’ encoder lib

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This commit is contained in:
Wojtek Figat
2023-12-15 14:33:09 +01:00
parent 3761eb5a1e
commit 799fde1a26
13 changed files with 1290 additions and 4 deletions
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13
Source/Engine/Graphics/RenderTools.cpp
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@@ -306,7 +306,6 @@ void RenderTools::ComputePitch(PixelFormat format, int32 width, int32 height, ui
slicePitch = rowPitch * nbh;
}
break;
case PixelFormat::BC2_Typeless:
case PixelFormat::BC2_UNorm:
case PixelFormat::BC2_UNorm_sRGB:
@@ -330,14 +329,22 @@ void RenderTools::ComputePitch(PixelFormat format, int32 width, int32 height, ui
slicePitch = rowPitch * nbh;
}
break;
case PixelFormat::ASTC_4x4_UNorm:
case PixelFormat::ASTC_4x4_UNorm_sRGB:
{
const int32 blockSize = 4; // TODO: use PixelFormatExtensions to get block size for a format and handle different astc
uint32 nbw = Math::Max<uint32>(1, Math::DivideAndRoundUp(width, blockSize));
uint32 nbh = Math::Max<uint32>(1, Math::DivideAndRoundUp(height, blockSize));
rowPitch = nbw * 16;
slicePitch = rowPitch * nbh;
}
break;
case PixelFormat::R8G8_B8G8_UNorm:
case PixelFormat::G8R8_G8B8_UNorm:
ASSERT(PixelFormatExtensions::IsPacked(format));
rowPitch = ((width + 1) >> 1) * 4;
slicePitch = rowPitch * height;
break;
default:
ASSERT(PixelFormatExtensions::IsValid(format));
ASSERT(!PixelFormatExtensions::IsCompressed(format) && !PixelFormatExtensions::IsPacked(format) && !PixelFormatExtensions::IsPlanar(format));