a2059eea4a
git-subtree-dir: external/parallel-rdp/parallel-rdp-standalone git-subtree-split: d1cc912c5c47abaf9b6b155d3cd15255df65cf5b
70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
#version 450
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/* Copyright (c) 2020 Themaister
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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layout(local_size_x_id = 0) in;
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layout(constant_id = 1) const int PAGE_STRIDE = 256;
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layout(set = 0, binding = 0, std430) buffer RDRAM
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{
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uint rdram[];
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};
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layout(set = 0, binding = 1, std430) readonly buffer StagingRDRAM
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{
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uint staging_rdram[];
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};
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layout(set = 0, binding = 2, std430) readonly buffer WriteMaskRDRAM
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{
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uint writemask[];
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};
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layout(set = 1, binding = 0, std140) uniform UBO
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{
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uvec4 offsets[1024];
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};
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void main()
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{
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uint offset = offsets[gl_WorkGroupID.x >> 2u][gl_WorkGroupID.x & 3u];
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offset *= PAGE_STRIDE;
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offset += gl_LocalInvocationIndex;
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uint mask = writemask[offset];
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if (mask == ~0u)
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{
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return;
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}
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else if (mask == 0u)
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{
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uint staging = staging_rdram[offset];
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rdram[offset] = staging;
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}
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else
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{
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uint word = rdram[offset];
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uint staging = staging_rdram[offset];
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word = (word & mask) | (staging & ~mask);
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rdram[offset] = word;
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}
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} |