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Vulkan backend: render-pass cache, tessellation overlay, and code dedup #12

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Merged
brianmk merged 2 commits into from
Sep 9, 2026
Merged

Vulkan backend: render-pass cache, tessellation overlay, and code dedup #12

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78a4546
Vulkan backend: render-pass cache, tessellation overlay, and code dedup
brianmk Sep 9, 2026
a34e357
nodes: drop execinfo.h backtrace debug helper from removeChild
brianmk Sep 9, 2026
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2 changes: 2 additions & 0 deletions include/Inventor/rendering/SoVulkanRenderManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -151,9 +151,11 @@ class COIN_DLL_API SoVulkanRenderManager {
*/
void setWireframeOverlay(SbBool enabled);
void setPointsOverlay(SbBool enabled);
void setTessellationOverlay(SbBool enabled);
void setEdgeColor(const SbColor4f & color);
SbBool getWireframeOverlay(void) const;
SbBool getPointsOverlay(void) const;
SbBool getTessellationOverlay(void) const;
const SbColor4f & getEdgeColor(void) const;

void setClearEnabled(SbBool clearwindow, SbBool clearzbuffer);
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2 changes: 2 additions & 0 deletions src/rendering/CMakeLists.txt
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Expand Up @@ -14,6 +14,7 @@ set(COIN_RENDERING_FILES
if(COIN_BUILD_VULKAN_RENDERER)
list(APPEND COIN_RENDERING_FILES
SoVulkanRenderBackend/SoVulkanRenderBackendCore.cpp
SoVulkanRenderBackend/SoVulkanRenderPassCache.cpp
SoVulkanRenderBackend/SoVulkanMemPool.cpp
SoVulkanRenderBackend/SoVulkanRenderBackendPipeline.cpp
SoVulkanRenderBackend/SoVulkanRenderBackendGeometry.cpp
Expand Down Expand Up @@ -74,6 +75,7 @@ set(COIN_RENDERING_INTERNAL_FILES
SoGLRenderBackend.h
SoVulkanRenderBackend.h
SoVulkanRenderBackend/SoVulkanRenderBackendP.h
SoVulkanRenderBackend/SoVulkanRenderPassCache.h
SoVulkanShared.h
SoVulkanRenderManager.h
SoRTXRenderBackend.h
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16 changes: 16 additions & 0 deletions src/rendering/SoRTXRenderBackend.h
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Expand Up @@ -394,6 +394,9 @@ class SoRTXRenderBackend : public SoRenderBackend {
VkCommandBuffer cmd);
bool refitBlas(RTXCachedGeometry & entry, const SoRenderCommand & command,
VkCommandBuffer cmd);
bool blasBuildOrRefit(RTXCachedGeometry & entry,
const SoRenderCommand & command, VkCommandBuffer cmd,
bool refit);
void destroyCacheEntry(RTXCachedGeometry & entry);
bool buildTlas(const SoDrawList & drawlist, const SoRenderParams & params,
VkCommandBuffer cmd);
Expand Down Expand Up @@ -847,6 +850,14 @@ class SoRTXRenderBackend : public SoRenderBackend {
bool ensureNeePoolCapacity(VkDeviceSize bytes);
void buildNeePool(const SoDrawList & drawlist);

// Shared grow-only pool (re)allocation used by ensureNormalPoolCapacity()
// and ensureNeePoolCapacity(): double the host-visible pool until the
// requested size fits, preserving the existing contents and used count.
bool ensurePoolCapacity(VkDeviceSize bytes, VkBuffer & poolBuffer,
VkDeviceMemory & poolMemory, void *& poolMapped,
VkDeviceSize & poolCapacity, VkDeviceSize & poolUsed,
bool refreshDescriptors);

// --- Cache bookkeeping ---------------------------------------------------
std::vector<RTXCachedGeometry> geometryCache;
std::unordered_map<const SoRenderCommand *, size_t> commandToCache;
Expand Down Expand Up @@ -1167,6 +1178,11 @@ class SoRTXRenderBackend : public SoRenderBackend {
void updateDenoise();
//! Read the already-traced storage image back to a PPM (FC_VULKAN_PT_DUMP).
void dumpStorageImageIfRequested();
//! Read the float accumulation buffer back to a PPM (FC_VULKAN_PT_DUMP_ACCUM).
void dumpAccumBufferIfRequested();
//! Read the per-pixel G-buffers (normal/position) back to PPMs
//! (FC_VULKAN_PT_DUMP_GBUF=<dir>).
void dumpGbuffersIfRequested();
//! After publishing a denoised result at target: clear the denoise latch and
//! transition to converged-idle so the viewport keeps the denoised image and
//! stops the continuous-update loop. Also used on the failure paths (with a
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