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metal: check for format support

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Samuliak 2025-03-11 08:18:55 +01:00
parent 3a654b3609
commit 2111c94f1e
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3 changed files with 16 additions and 3 deletions
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1
include/renderer_mtl/texture_decoder.hpp
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@ -16,6 +16,7 @@ void decodeTexelAI8ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> i
void decodeTexelGR8ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelGR8ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelI8ToR8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelI8ToR8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelA8ToA8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelA8ToA8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelAI4ToABGR4(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelAI4ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelAI4ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelI4ToR8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelI4ToR8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);
void decodeTexelA4ToA8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData); void decodeTexelA4ToA8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData);

8
src/core/renderer_mtl/pica_to_mtl.cpp
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@ -16,7 +16,7 @@ namespace PICA {
{MTL::PixelFormatRG8Unorm, 2, decodeTexelGR8ToRG8}, // RG8 {MTL::PixelFormatRG8Unorm, 2, decodeTexelGR8ToRG8}, // RG8
{MTL::PixelFormatR8Unorm, 1, decodeTexelI8ToR8}, // I8 {MTL::PixelFormatR8Unorm, 1, decodeTexelI8ToR8}, // I8
{MTL::PixelFormatA8Unorm, 1, decodeTexelA8ToA8}, // A8 {MTL::PixelFormatA8Unorm, 1, decodeTexelA8ToA8}, // A8
{MTL::PixelFormatRG8Unorm, 2, decodeTexelAI4ToRG8}, // IA4 {MTL::PixelFormatABGR4Unorm, 2, decodeTexelAI4ToABGR4}, // IA4
{MTL::PixelFormatR8Unorm, 1, decodeTexelI4ToR8}, // I4 {MTL::PixelFormatR8Unorm, 1, decodeTexelI4ToR8}, // I4
{MTL::PixelFormatA8Unorm, 1, decodeTexelA4ToA8}, // A4 {MTL::PixelFormatA8Unorm, 1, decodeTexelA4ToA8}, // A4
{MTL::PixelFormatRGBA8Unorm, 4, decodeTexelETC1ToRGBA8}, // ETC1 {MTL::PixelFormatRGBA8Unorm, 4, decodeTexelETC1ToRGBA8}, // ETC1
@ -25,8 +25,10 @@ namespace PICA {
void checkForPixelFormatSupport(MTL::Device* device) { void checkForPixelFormatSupport(MTL::Device* device) {
if (!device->supportsFamily(MTL::GPUFamilyApple1)) { if (!device->supportsFamily(MTL::GPUFamilyApple1)) {
// TODO pixelFormatInfos[2] = {MTL::PixelFormatRGBA8Unorm, 4, decodeTexelA1BGR5ToRGBA8};
throw; pixelFormatInfos[3] = {MTL::PixelFormatRGBA8Unorm, 4, decodeTexelB5G6R5ToRGBA8};
pixelFormatInfos[4] = {MTL::PixelFormatRGBA8Unorm, 4, decodeTexelABGR4ToRGBA8};
pixelFormatInfos[9] = {MTL::PixelFormatRG8Unorm, 2, decodeTexelAI4ToRG8};
} }
} }

10
src/core/renderer_mtl/texture_decoder.cpp
View file

@ -176,6 +176,16 @@ void decodeTexelA8ToA8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inD
outData.push_back(alpha); outData.push_back(alpha);
} }
void decodeTexelAI4ToABGR4(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData) {
const u32 offset = getSwizzledOffset(u, v, size.u(), 1);
const u8 texel = inData[offset];
const u8 alpha = texel & 0xf;
const u8 intensity = texel >> 4;
outData.push_back((intensity << 4) | intensity);
outData.push_back((alpha << 4) | intensity);
}
void decodeTexelAI4ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData) { void decodeTexelAI4ToRG8(OpenGL::uvec2 size, u32 u, u32 v, std::span<const u8> inData, std::vector<u8>& outData) {
const u32 offset = getSwizzledOffset(u, v, size.u(), 1); const u32 offset = getSwizzledOffset(u, v, size.u(), 1);
const u8 texel = inData[offset]; const u8 texel = inData[offset];