26 lines
1.1 KiB
HLSL
26 lines
1.1 KiB
HLSL
#include "texture_copy.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 ushort 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_copy_size_blocks)) {
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return;
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}
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uint4 block_offsets_guest =
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XeTextureCopyGuestBlockOffsets(block_index, 2u, 1u);
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uint4 dword_offsets_guest = block_offsets_guest & ~3u;
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uint4 blocks = uint4(xe_texture_copy_source.Load(dword_offsets_guest.x),
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xe_texture_copy_source.Load(dword_offsets_guest.y),
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xe_texture_copy_source.Load(dword_offsets_guest.z),
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xe_texture_copy_source.Load(dword_offsets_guest.w));
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blocks = (blocks >> ((block_offsets_guest & 2u) << 3u)) & 0xFFFFu;
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blocks = XeByteSwap16(blocks, xe_texture_copy_endianness);
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uint block_offset_host = XeTextureHostLinearOffset(
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block_index, xe_texture_copy_size_blocks.y, xe_texture_copy_host_pitch,
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2u) + xe_texture_copy_host_base;
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xe_texture_copy_dest.Store2(block_offset_host,
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blocks.xz | (blocks.yw << 16u));
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}
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