feat: add uniform ring buffer for viewport

Signed-off-by: Michael Pollind <[email protected]>
OSS-Cosmic · Jan 5, 2024 · fd98e2b · fd98e2b
1 parent a7d80c7
commit fd98e2b
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Showing 3 changed files with 16 additions and 0 deletions.
diff --git a/HPL2/include/graphics/RendererDeferred2.h b/HPL2/include/graphics/RendererDeferred2.h
@@ -107,6 +107,8 @@ namespace hpl {
         static constexpr uint32_t LightClusterSlices = 24;
         static constexpr uint32_t TransientImagePoolCount = 256;
 
+        static constexpr uint32_t ViewportRingBufferSize = 2048;
+
         static constexpr uint32_t IndirectArgumentSize = 8 * sizeof(uint32_t);
 
         struct RootConstantDrawIndexArguments {
@@ -225,6 +227,8 @@ namespace hpl {
 
         cRenderList m_rendererList;
 
+         GPURingBuffer m_viewPortUniformBuffer{};
+
         SharedRootSignature m_lightClusterRootSignature;
         std::array<SharedDescriptorSet, ForgeRenderer::SwapChainLength> m_lightDescriptorPerFrameSet;
         SharedShader m_lightClusterShader;
@@ -312,6 +316,7 @@ namespace hpl {
             uint32_t m_objectIndex = 0;
             uint32_t m_indirectIndex = 0;
             uint32_t m_particleIndex = 0;
+            uint32_t m_viewportIndex = 0;
         };
         ResetFrameHandler m_resetHandler;
         TransientFrameVariable<TransientFrameVars> m_variables;

diff --git a/HPL2/resource/scene_resource.h.fsl b/HPL2/resource/scene_resource.h.fsl
@@ -22,6 +22,10 @@ CBUFFER(sceneInfo, UPDATE_FREQ_PER_FRAME, b1, binding = 4) {
   DATA(ViewportInfo, viewports[64], None);
 };
 
+CBUFFER(viewportBlock, UPDATE_FREQ_PER_BATCH, b2, binding = 5) {
+  DATA(ViewportInfo, viewport, None);
+};
+
 RES(Buffer(UniformObject), sceneObjects, UPDATE_FREQ_PER_FRAME, t0, binding = 5);
 RES(Buffer(Light), lights,               UPDATE_FREQ_PER_FRAME, t1, binding = 6);
 RES(Buffer(Particle), particles,         UPDATE_FREQ_PER_FRAME, t2, binding = 7);

diff --git a/HPL2/sources/graphics/RendererDeferred2.cpp b/HPL2/sources/graphics/RendererDeferred2.cpp
@@ -1274,6 +1274,9 @@ namespace hpl {
         m_diffuseIndexPool = IndexPool(resource::MaxSolidDiffuseMaterials);
         m_translucencyIndexPool = IndexPool(resource::MaxTranslucenctMaterials);
         m_waterIndexPool = IndexPool(resource::MaxWaterMaterials);
+
+        addUniformGPURingBuffer(forgeRenderer->Rend(), ViewportRingBufferSize, &m_viewPortUniformBuffer);
+
 
         // create Descriptor sets
         m_sceneDescriptorConstSet.Load(forgeRenderer->Rend(), [&](DescriptorSet** descSet) {
@@ -1481,6 +1484,7 @@ namespace hpl {
             vars.m_objectIndex = 0;
             vars.m_indirectIndex = 0;
             vars.m_particleIndex = 0;
+            vars.m_viewportIndex = 0;
             vars.m_objectSlotIndex.clear();
         });
 
@@ -1618,6 +1622,9 @@ namespace hpl {
             updateDescriptorSet(
                 forgeRenderer->Rend(), 0, m_sceneDescriptorPerFrameSet[frame.m_frameIndex].m_handle, params.size(), params.data());
         }
+
+
+
         {
             BufferUpdateDesc updateDesc = { m_perSceneInfoBuffer[frame.m_frameIndex].m_handle, 0, sizeof(resource::SceneInfoResource) };
             beginUpdateResource(&updateDesc);