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https://github.com/wheremyfoodat/Panda3DS.git
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71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#pragma once
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#include <Metal/Metal.hpp>
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#include <array>
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#include <string>
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#include "PICA/regs.hpp"
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#include "boost/icl/interval.hpp"
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#include "helpers.hpp"
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#include "math_util.hpp"
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#include "renderer_mtl/pica_to_mtl.hpp"
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// TODO: remove dependency on OpenGL
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#include "opengl.hpp"
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template <typename T>
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using Interval = boost::icl::right_open_interval<T>;
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namespace Metal {
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struct Texture {
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MTL::Device* device;
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u32 location;
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u32 config; // Magnification/minification filter, wrapping configs, etc
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PICA::TextureFmt format;
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OpenGL::uvec2 size;
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bool valid;
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// Range of VRAM taken up by buffer
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Interval<u32> range;
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PICA::PixelFormatInfo formatInfo;
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MTL::Texture* texture = nullptr;
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MTL::SamplerState* sampler = nullptr;
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Texture() : valid(false) {}
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Texture(MTL::Device* dev, u32 loc, PICA::TextureFmt format, u32 x, u32 y, u32 config, bool valid = true)
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: device(dev), location(loc), format(format), size({x, y}), config(config), valid(valid) {
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u64 endLoc = (u64)loc + sizeInBytes();
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// Check if start and end are valid here
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range = Interval<u32>(loc, (u32)endLoc);
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}
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// For 2 textures to "match" we only care about their locations, formats, and dimensions to match
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// For other things, such as filtering mode, etc, we can just switch the attributes of the cached texture
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bool matches(Texture& other) {
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return location == other.location && format == other.format && size.x() == other.size.x() && size.y() == other.size.y();
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}
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void allocate();
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void setNewConfig(u32 newConfig);
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void decodeTexture(std::span<const u8> data);
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void free();
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u64 sizeInBytes();
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u8 decodeTexelBGR8ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelA1BGR5ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelB5G6R5ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelABGR4ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelAI8ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelI8ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelAI4ToRGBA4(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelAI4ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelI4ToRGBA4(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelI4ToRGBA8(u32 u, u32 v, std::span<const u8> data);
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u8 decodeTexelA4ToA8(u32 u, u32 v, std::span<const u8> data);
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// Returns the format of this texture as a string
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std::string_view formatToString() { return PICA::textureFormatToString(format); }
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};
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} // namespace Metal
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