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[Fix] (MG_Backend/DirectVulkan): pad short uniform buffer ranges

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swung0x48
2026-07-08 10:50:14 +08:00
parent fbbf3c4beb
commit 2ed96e9678
1 changed files with 7 additions and 6 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp
+7 -6
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@@ -652,13 +652,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
program.GetUniformBlockName(static_cast<Uint32>(blockIndex)).c_str()); program.GetUniformBlockName(static_cast<Uint32>(blockIndex)).c_str());
const VkDeviceSize available = rangeEnd - rangeStart; const VkDeviceSize available = rangeEnd - rangeStart;
MOBILEGL_ASSERT(available >= blockSize,
"ResolveUniformBufferPayload: bound range %zu is smaller than UBO size %zu for block '%s'",
static_cast<SizeT>(available), static_cast<SizeT>(blockSize),
program.GetUniformBlockName(static_cast<Uint32>(blockIndex)).c_str());
outData = bufferData->data() + static_cast<SizeT>(rangeStart);
outSize = blockSize; outSize = blockSize;
outData = bufferData->data() + static_cast<SizeT>(rangeStart);
if (available < blockSize) {
static thread_local Vector<Uint8> paddedUbo;
paddedUbo.assign(static_cast<SizeT>(blockSize), 0);
Memcpy(paddedUbo.data(), outData, static_cast<SizeT>(available));
outData = paddedUbo.data();
}
return true; return true;
} }