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graphics: preserve full tiled array backing in image-to-buffer copies

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Claxten
2026-10-07 20:03:59 +04:00
committed by nmzik
parent 743fdc6990
commit dd754065d8
2 changed files with 80 additions and 7 deletions
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src/graphics/host_gpu/renderer/cache/textureCache.cpp
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+4 -6
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@@ -1792,14 +1792,12 @@ bool BufferCache::SynchronizeBufferFromImage(Buffer& buffer, uint64_t vaddr, uin
const auto available = buffer.Size() - buf_offset;
uint32_t levels = 0;
uint64_t copy_size = 0;
if (image.info.IsVolume()) {
// Volume mips contain strided block slices, so a mip's linear span cannot prove that
// every retained slice fits. Keep volume synchronization whole-image only.
if (!buffer.IsInBounds(image.info.data.address, image.info.data.size)) {
return false;
}
if (buffer.IsInBounds(image.info.data.address, image.info.data.size)) {
levels = image.info.resources.levels;
copy_size = image.info.data.size;
} else if (image.info.IsVolume() || image.info.resources.layers > 1) {
// Array and volume slices are strided across the full mip chain.
return false;
} else {
for (; levels < image.info.resources.levels; ++levels) {
const auto& mip = image.info.mip_layout[levels];