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https://github.com/encounter/aurora.git
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Luke Street
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
#pragma once
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#include "common.hpp"
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#include "texture.hpp"
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#include "../webgpu/gpu.hpp"
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namespace aurora::gfx {
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inline bool is_pc_texture_format(u32 gxFormat) noexcept {
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return (gxFormat & _GX_TF_PC) != 0;
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}
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inline bool uses_direct_texture_upload(u32 gxFormat) noexcept {
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switch (gxFormat) {
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case GX_TF_R8_PC:
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case GX_TF_RG8_PC:
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return webgpu::g_textureComponentSwizzleSupported;
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case GX_TF_RGBA8_PC:
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return true;
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case GX_TF_BC1_PC:
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return webgpu::g_bcTexturesSupported;
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default:
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return false;
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}
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}
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inline wgpu::TextureFormat to_wgpu(u32 gxFormat) noexcept {
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switch (gxFormat) {
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case GX_TF_R8_PC:
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return uses_direct_texture_upload(gxFormat) ? wgpu::TextureFormat::R8Unorm : wgpu::TextureFormat::RGBA8Unorm;
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case GX_TF_RG8_PC:
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return uses_direct_texture_upload(gxFormat) ? wgpu::TextureFormat::RG8Unorm : wgpu::TextureFormat::RGBA8Unorm;
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case GX_TF_C4:
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case GX_TF_C8:
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case GX_TF_C14X2:
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return wgpu::TextureFormat::R16Sint;
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case GX_TF_BC1_PC:
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return uses_direct_texture_upload(gxFormat) ? wgpu::TextureFormat::BC1RGBAUnorm : wgpu::TextureFormat::RGBA8Unorm;
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default:
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return wgpu::TextureFormat::RGBA8Unorm;
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}
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}
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struct ConvertedTexture {
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wgpu::TextureFormat format;
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uint32_t width;
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uint32_t height;
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uint32_t mips = 1;
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ByteBuffer data;
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bool hasArbitraryMips = false;
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};
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// Returns converted bytes when Aurora must transform the source layout before upload.
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// Empty data means callers should upload the original bytes directly using to_wgpu(format).
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// hasArbitraryMips is only meaningful for decoded RGBA8 GC formats; PC formats skip that check.
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ConvertedTexture convert_texture(u32 format, uint32_t width, uint32_t height, uint32_t mips, ArrayRef<uint8_t> data);
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ConvertedTexture convert_texture_palette(u32 textureFormat, uint32_t width, uint32_t height, uint32_t mips,
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ArrayRef<uint8_t> textureData, GXTlutFmt tlutFormat, uint16_t tlutEntries,
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ArrayRef<uint8_t> tlutData);
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ConvertedTexture convert_tlut(u32 format, uint32_t width, ArrayRef<uint8_t> data);
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GXTexFmt tlut_texture_format(GXTlutFmt format) noexcept;
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} // namespace aurora::gfx
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