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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/BackendObject_DirectVulkan.cpp
+1 -1
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@@ -125,7 +125,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
V_OpenGL33, E_GL_ARB_draw_buffers_blend, E_GL_ARB_compute_shader,
E_GL_ARB_shader_storage_buffer_object, E_GL_ARB_shader_image_load_store,
E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object,
E_GL_EXT_framebuffer_object, E_GL_ARB_depth_texture},
E_GL_EXT_framebuffer_object, E_GL_ARB_depth_texture, E_GL_ARB_buffer_storage},
.IsCompatibilityProfile = false // Is Compatibility Profile
},
.StaticBackendCapability = {.AllowVSOnlyPrograms = false} // Backend Capability
MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp
+1
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@@ -615,6 +615,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MOBILEGL_ASSERT(bufferObject != nullptr,
"ResolveUniformBufferPayload: no UBO bound at frontend binding %u for block '%s'",
frontendBinding, program.GetUniformBlockName(static_cast<Uint32>(blockIndex)).c_str());
bufferObject->MarkPersistentMappedRangeDirty();
const auto bufferData = bufferObject->GetDataReadOnly();
MOBILEGL_ASSERT(bufferData != nullptr && !bufferData->empty(),
MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.cpp
+1
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@@ -86,6 +86,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
const auto* bufferData = bufferObject->GetDataReadOnly().get();
MOBILEGL_ASSERT(bufferData != nullptr, "VkBufferManager::SyncResidentBuffer requires frontend buffer data");
bufferObject->MarkPersistentMappedRangeDirty();
const VkDeviceSize bufferSize = static_cast<VkDeviceSize>(bufferObject->GetSize());
if (bufferSize == 0) {
MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.cpp
+8
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@@ -140,6 +140,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
Memcpy(static_cast<Uint8*>(mapped) + offset, data, static_cast<SizeT>(size));
const VkResult flushResult = vmaFlushAllocation(m_allocator, m_allocation, offset, size);
if (flushResult != VK_SUCCESS) {
MGLOG_E("VkBufferObject::Upload failed: vmaFlushAllocation returned %d", flushResult);
if (!wasMapped) {
Unmap();
}
return false;
}
if (!wasMapped) {
Unmap();
}
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();