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GPU: Implemented the DXN1 (BC4) texture format.

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This commit is contained in:
Subv
2018-06-02 13:17:09 -05:00
parent bbbe34429e
commit 99f9d47d16
3 changed files with 16 additions and 3 deletions
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6
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -53,6 +53,7 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
{GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT1
{GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT23
{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT45
{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, true}, // DXN1
}};
static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
@ -113,7 +114,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra:
MortonCopy<true, PixelFormat::A2B10G10R10>, MortonCopy<true, PixelFormat::A1B5G5R5>,
MortonCopy<true, PixelFormat::R8>, MortonCopy<true, PixelFormat::RGBA16F>,
MortonCopy<true, PixelFormat::DXT1>, MortonCopy<true, PixelFormat::DXT23>,
MortonCopy<true, PixelFormat::DXT45>,
MortonCopy<true, PixelFormat::DXT45>, MortonCopy<true, PixelFormat::DXN1>,
};
static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra::GPUVAddr,
@ -126,7 +127,8 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra:
MortonCopy<false, PixelFormat::A1B5G5R5>,
MortonCopy<false, PixelFormat::R8>,
MortonCopy<false, PixelFormat::RGBA16F>,
// TODO(Subv): Swizzling the DXT1/DXT23/DXT45 formats is not yet supported
// TODO(Subv): Swizzling the DXT1/DXT23/DXT45/DXN1 formats is not yet supported
nullptr,
nullptr,
nullptr,
nullptr,

7
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View File

@ -63,6 +63,7 @@ struct SurfaceParams {
DXT1 = 6,
DXT23 = 7,
DXT45 = 8,
DXN1 = 9, // This is also known as BC4
Max,
Invalid = 255,
@ -107,6 +108,7 @@ struct SurfaceParams {
4, // DXT1
4, // DXT23
4, // DXT45
4, // DXN1
}};
ASSERT(static_cast<size_t>(format) < compression_factor_table.size());
@ -130,6 +132,7 @@ struct SurfaceParams {
64, // DXT1
128, // DXT23
128, // DXT45
64, // DXN1
}};
ASSERT(static_cast<size_t>(format) < bpp_table.size());
@ -185,6 +188,8 @@ struct SurfaceParams {
return PixelFormat::DXT23;
case Tegra::Texture::TextureFormat::DXT45:
return PixelFormat::DXT45;
case Tegra::Texture::TextureFormat::DXN1:
return PixelFormat::DXN1;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
@ -212,6 +217,8 @@ struct SurfaceParams {
return Tegra::Texture::TextureFormat::DXT23;
case PixelFormat::DXT45:
return Tegra::Texture::TextureFormat::DXT45;
case PixelFormat::DXN1:
return Tegra::Texture::TextureFormat::DXN1;
default:
UNREACHABLE();
}