Diamond75/Panda3DS
1
0
Fork 0
mirror of https://github.com/wheremyfoodat/Panda3DS.git synced 2025-04-21 21:05:50 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

metal: implement texture decoder

Browse source
This commit is contained in:
Samuliak 2025-03-11 08:11:39 +01:00
parent c59ee99364
commit 3a654b3609
No known key found for this signature in database
11 changed files with 419 additions and 223 deletions
Download patch file Download diff file Expand all files Collapse all files

44
include/renderer_mtl/pica_to_mtl.hpp
View file

@ -3,49 +3,21 @@
#include <Metal/Metal.hpp>
#include "PICA/regs.hpp"
// TODO: remove dependency on OpenGL
#include "opengl.hpp"
namespace PICA {
struct PixelFormatInfo {
MTL::PixelFormat pixelFormat;
size_t bytesPerTexel;
void (*decoder)(OpenGL::uvec2, u32, u32, std::span<const u8>, std::vector<u8>&);
bool needsSwizzle{false};
// TODO: swizzle
};
// iOS, at least on simulator, doesn't support a lot of more "exotic" texture formats, so we avoid them tehre
#ifndef PANDA3DS_IOS
constexpr PixelFormatInfo pixelFormatInfos[14] = {
{MTL::PixelFormatRGBA8Unorm, 4}, // RGBA8
{MTL::PixelFormatRGBA8Unorm, 4}, // RGB8
{MTL::PixelFormatBGR5A1Unorm, 2}, // RGBA5551
{MTL::PixelFormatB5G6R5Unorm, 2}, // RGB565
{MTL::PixelFormatABGR4Unorm, 2}, // RGBA4
{MTL::PixelFormatRGBA8Unorm, 4}, // IA8
{MTL::PixelFormatRG8Unorm, 2}, // RG8
{MTL::PixelFormatRGBA8Unorm, 4}, // I8
{MTL::PixelFormatA8Unorm, 1}, // A8
{MTL::PixelFormatABGR4Unorm, 2}, // IA4
{MTL::PixelFormatABGR4Unorm, 2}, // I4
{MTL::PixelFormatA8Unorm, 1}, // A4
{MTL::PixelFormatRGBA8Unorm, 4}, // ETC1
{MTL::PixelFormatRGBA8Unorm, 4}, // ETC1A4
};
#else
constexpr PixelFormatInfo pixelFormatInfos[14] = {
{MTL::PixelFormatRGBA8Unorm, 4}, // RGBA8
{MTL::PixelFormatRGBA8Unorm, 4}, // RGB8
{MTL::PixelFormatBGR5A1Unorm, 2}, // RGBA5551
{MTL::PixelFormatRGBA8Unorm, 4}, // RGB565
{MTL::PixelFormatRGBA8Unorm, 4}, // RGBA4
{MTL::PixelFormatRGBA8Unorm, 4}, // IA8
{MTL::PixelFormatRG8Unorm, 2}, // RG8
{MTL::PixelFormatRGBA8Unorm, 4}, // I8
{MTL::PixelFormatA8Unorm, 1}, // A8
{MTL::PixelFormatRGBA8Unorm, 4}, // IA4
{MTL::PixelFormatRGBA8Unorm, 4}, // I4
{MTL::PixelFormatA8Unorm, 1}, // A4
{MTL::PixelFormatRGBA8Unorm, 4}, // ETC1
{MTL::PixelFormatRGBA8Unorm, 4}, // ETC1A4
};
#endif
extern PixelFormatInfo pixelFormatInfos[14];
void checkForPixelFormatSupport(MTL::Device* device);
inline PixelFormatInfo getPixelFormatInfo(TextureFmt format) { return pixelFormatInfos[static_cast<int>(format)]; }