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Validate that intra-buffer copy has non-overlapping ranges;

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bjorn 2024-01-29 21:28:00 -08:00
parent 5bd48f16f5
commit 06bfbbaa6b
1 changed files with 1 additions and 0 deletions
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src/modules/graphics/graphics.c
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@ -1968,6 +1968,7 @@ void lovrBufferCopy(Buffer* src, Buffer* dst, uint32_t srcOffset, uint32_t dstOf
beginFrame();
lovrCheck(srcOffset + extent <= src->info.size, "Buffer copy range goes past the end of the source Buffer");
lovrCheck(dstOffset + extent <= dst->info.size, "Buffer copy range goes past the end of the destination Buffer");
lovrCheck(src != dst || (srcOffset >= dstOffset + extent || dstOffset >= srcOffset + extent), "Copying part of a Buffer to itself requires non-overlapping copy regions");
gpu_barrier barriers[2];
barriers[0] = syncTransfer(&src->sync, GPU_PHASE_COPY, GPU_CACHE_TRANSFER_READ);
barriers[1] = syncTransfer(&dst->sync, GPU_PHASE_COPY, GPU_CACHE_TRANSFER_WRITE);