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Support raw buffer writes to sampled textures

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nmzik committed 2026-07-17 07:26:42 +02:00
1 parent 3726b0ae22
commit 13499502c9
3 files changed
+29 -9
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src/graphics/host_gpu/renderer/imageInfo.h
+9 -4
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@@ -442,11 +442,16 @@ ClassifyBufferImageWrite(uint64_t buffer_address, uint64_t buffer_size, uint64_t
if (!ImagePageRangesOverlap(buffer_address, buffer_size, image_address, image_size)) {
return BufferImageWrite::None;
}
const bool exact = buffer_address == image_address && buffer_size == image_size;
const bool page_aligned = ((buffer_address | buffer_size) & (TRACKER_PAGE_SIZE - 1)) == 0;
const bool exact = buffer_address == image_address && buffer_size == image_size;
const auto offset = buffer_address >= image_address ? buffer_address - image_address : UINT64_MAX;
const bool contained = offset <= image_size && buffer_size <= image_size - offset;
const bool buffer_page_aligned =
((buffer_address | buffer_size) & (TRACKER_PAGE_SIZE - 1)) == 0;
const bool image_page_aligned =
((image_address | image_size) & (TRACKER_PAGE_SIZE - 1)) == 0;
switch (binding) {
case BufferImageBinding::Texture:
return exact && page_aligned && !image_gpu_modified
return contained && image_page_aligned && !image_gpu_modified
? BufferImageWrite::InvalidateTexture
: BufferImageWrite::Unsupported;
case BufferImageBinding::VideoOut:
@@ -454,7 +459,7 @@ ClassifyBufferImageWrite(uint64_t buffer_address, uint64_t buffer_size, uint64_t
? BufferImageWrite::InvalidateVideoOut
: BufferImageWrite::Unsupported;
case BufferImageBinding::RenderTarget:
return exact && page_aligned && buffer_formatted && image_gpu_modified
return exact && buffer_page_aligned && buffer_formatted && image_gpu_modified
? BufferImageWrite::SynchronizeRenderTarget
: BufferImageWrite::Unsupported;
case BufferImageBinding::Unsupported: return BufferImageWrite::Unsupported;