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[Feat] (MG_Impl/GL_Buffer, MG_State/BufferState, MG_Backend): implement persistent mapping

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swung0x48
2026-06-08 14:08:35 +08:00
parent be3c3eb9bb
commit d553e363a7
18 changed files with 1098 additions and 128 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+3 -1
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@@ -1316,7 +1316,7 @@ void main() {
.minUploadBytes = 4 * 1024 * 1024,
.transientMemoryUsage = VMA_MEMORY_USAGE_AUTO,
.transientAllocationFlags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT,
.transientPersistentMapping = false,
.transientPersistentMapping = true,
});
MOBILEGL_ASSERT(succeeded, "VkBufferManager initialization failed.");
m_textureManager = MakeUnique<VkTextureManager>();
@@ -1537,6 +1537,7 @@ void main() {
auto sourceBufferShared = MG_State::pGLContext->GetBufferObject(sourceBuffer->GetExternalIndex());
MOBILEGL_ASSERT(sourceBufferShared != nullptr,
"UploadAndBindVertexStreams failed to resolve shared source buffer");
sourceBufferShared->MarkPersistentMappedRangeDirty();
BufferSlice slice{};
const Bool isDirty = (sourceBufferShared->GetChangeBits() & BufferChangeBits::DirtyBit);
const Uint64 changeSerial = sourceBufferShared->GetChangeSerial();
@@ -1641,6 +1642,7 @@ void main() {
BufferSlice slice{};
auto indexBufferShared = MG_State::pGLContext->GetBufferObject(indexBuffer->GetExternalIndex());
MOBILEGL_ASSERT(indexBufferShared != nullptr, "UploadAndBindIndexBuffer failed to resolve shared EBO");
indexBufferShared->MarkPersistentMappedRangeDirty();
const Bool isDirty = (indexBufferShared->GetChangeBits() & BufferChangeBits::DirtyBit);
const Uint64 changeSerial = indexBufferShared->GetChangeSerial();
const SizeT indexBufferSize = indexBufferShared->GetSize();