29 lines
1.2 KiB
HLSL
29 lines
1.2 KiB
HLSL
#include "texture_load.hlsli"
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Buffer<uint4> xe_texture_load_source : register(t0);
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RWBuffer<uint4> xe_texture_load_dest : register(u0);
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[numthreads(2, 32, 1)]
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void main(uint3 xe_thread_id : SV_DispatchThreadID) {
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// 1 thread = 16 blocks passed through an externally provided
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// uint4 transformation function (XE_TEXTURE_LOAD_16BPB_TRANSFORM).
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uint3 block_index = xe_thread_id << uint3(4u, 0u, 0u);
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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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int block_offset_host =
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(XeTextureHostLinearOffset(int3(block_index), xe_texture_load_host_pitch,
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xe_texture_load_size_blocks.y, 2u) +
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xe_texture_load_host_offset) >> 4u;
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uint block_offset_guest =
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XeTextureLoadGuestBlockOffset(block_index, 2u, 1u) >> 4u;
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uint endian = XeTextureLoadEndian32();
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xe_texture_load_dest[block_offset_host] = XE_TEXTURE_LOAD_16BPB_TRANSFORM(
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XeEndianSwap16(xe_texture_load_source[block_offset_guest], endian));
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++block_offset_host;
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block_offset_guest +=
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XeTextureLoadRightConsecutiveBlocksOffset(block_index.x, 1u) >> 4u;
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xe_texture_load_dest[block_offset_host] = XE_TEXTURE_LOAD_16BPB_TRANSFORM(
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XeEndianSwap16(xe_texture_load_source[block_offset_guest], endian));
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}
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