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https://github.com/xenia-project/xenia.git
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30 lines
1.4 KiB
HLSL
30 lines
1.4 KiB
HLSL
#include "texture_load.hlsli"
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[numthreads(8, 32, 1)]
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void main(uint3 xe_thread_id : SV_DispatchThreadID) {
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// 1 thread = 4 uint4 blocks.
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uint3 block_index = xe_thread_id;
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block_index.x <<= 2u;
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[branch] if (any(block_index >= xe_texture_load_size_blocks)) {
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return;
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}
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uint4 block_offsets_guest =
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XeTextureLoadGuestBlockOffsets(block_index, 16u, 4u);
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uint4 block_0 = xe_texture_load_source.Load4(block_offsets_guest.x);
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uint4 block_1 = xe_texture_load_source.Load4(block_offsets_guest.y);
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uint4 block_2 = xe_texture_load_source.Load4(block_offsets_guest.z);
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uint4 block_3 = xe_texture_load_source.Load4(block_offsets_guest.w);
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block_0 = XeByteSwap(block_0, xe_texture_load_endianness);
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block_1 = XeByteSwap(block_1, xe_texture_load_endianness);
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block_2 = XeByteSwap(block_2, xe_texture_load_endianness);
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block_3 = XeByteSwap(block_3, xe_texture_load_endianness);
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uint block_offset_host = XeTextureHostLinearOffset(
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block_index, xe_texture_load_size_blocks.y, xe_texture_load_host_pitch,
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16u) + xe_texture_load_host_base;
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uint4 block_offsets_host = uint4(0u, 16u, 32u, 48u) + block_offset_host;
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xe_texture_load_dest.Store4(block_offsets_host.x, block_0);
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xe_texture_load_dest.Store4(block_offsets_host.y, block_1);
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xe_texture_load_dest.Store4(block_offsets_host.z, block_2);
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xe_texture_load_dest.Store4(block_offsets_host.w, block_3);
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}
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