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[Fix]: fix Vulkan depth mipmap fallback

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- add shader fallback for depth-only mipmap generation when format blit is unsupported

- choose native blit or shader path from Vulkan format features

- clean up temporary depth mipmap render resources per frame
This commit is contained in:
swung0x48
2026-06-20 18:10:13 +08:00
parent 2660e1669c
commit 3736e1fc38
2 changed files with 494 additions and 3 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+30
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@@ -180,6 +180,22 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Uint32 samplerBinding = 0;
};
struct DepthMipmapResources {
SharedPtr<MG_State::GLState::ProgramObject> program;
Int srcRectLocation = -1;
Int dstRectLocation = -1;
Int surfaceTransformLocation = -1;
Int srcTexelSizeLocation = -1;
Uint32 samplerBinding = 0;
};
struct DeferredDepthMipmapCleanup {
Vector<VkImageView> imageViews;
Vector<VkFramebuffer> framebuffers;
Vector<VkRenderPass> renderPasses;
Vector<VkPipeline> pipelines;
};
void QueueClearBufferPayload(GLenum buffer, GLint drawbuffer, const ClearAttachmentPayload& clearPayload);
void QueueClearBufferPayloadForFramebuffer(const MG_State::GLState::FramebufferObject& framebuffer,
GLenum buffer, GLint drawbuffer,
@@ -238,6 +254,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
UniquePtr<VkTextureManager> m_textureManager;
UniquePtr<VkSamplerManager> m_samplerManager;
BlitResources m_blitResources;
DepthMipmapResources m_depthMipmapResources;
Vector<DeferredDepthMipmapCleanup> m_deferredDepthMipmapCleanup;
void CreateInstance();
VkResult SetupDebugMessenger();
@@ -267,7 +285,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
const MG_State::GLState::VertexArrayObject& vao,
const IndexBufferView* pIndexBufferView = nullptr);
Bool InitializeBlitResources();
Bool InitializeDepthMipmapResources();
void ShutdownBlitResources();
void ShutdownDepthMipmapResources();
void CollectDeferredDepthMipmapCleanup(Uint32 frameIndex);
void DestroyDeferredDepthMipmapCleanup();
Bool TryBlitToDefaultFramebufferWithShader(FrameContext::FrameData& frame,
MG_State::GLState::FramebufferObject& readFbo,
MG_State::GLState::FramebufferObject& drawFbo,
@@ -277,6 +299,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Bool MaterializePendingClearForTexture(VkCommandBuffer commandBuffer,
MG_State::GLState::ITextureObject& texture);
VkPipeline GetOrCreateBlitPipeline(const RenderPassEntry& renderPassEntry);
Bool GenerateDepthMipmapWithShader(FrameContext::FrameData& frame,
MG_State::GLState::ITextureObject& texture,
VkTextureManager::TextureResource& resource,
Uint32 baseMipLevel,
Uint32 generateMipLevelCount,
const IntVec3& storageBaseTexelSize,
VkImageLayout originalLayout,
VkImageLayout finalLayout);
Bool SubmitReadbackCommandsAndWait(FrameContext::FrameData& frame);
void ShutdownSwapchain();