Add radio button for debug pass

Nelarius · Mar 30, 2024 · e6a4f7e · e6a4f7e
1 parent 92ae60c
commit e6a4f7e
Show file tree

Hide file tree

Showing 3 changed files with 45 additions and 0 deletions.
diff --git a/src/pt/hybrid_renderer.cpp b/src/pt/hybrid_renderer.cpp
@@ -205,6 +205,41 @@ void HybridRenderer::render(
     wgpuQueueSubmit(gpuContext.queue, 1, &cmdBuffer);
 }
 
+void HybridRenderer::renderDebug(
+    const GpuContext&     gpuContext,
+    const glm::mat4&      viewProjectionMat,
+    const WGPUTextureView textureView)
+{
+    wgpuDeviceTick(gpuContext.device);
+
+    const WGPUCommandEncoder encoder = [&gpuContext]() {
+        const WGPUCommandEncoderDescriptor cmdEncoderDesc{
+            .nextInChain = nullptr,
+            .label = "Command encoder",
+        };
+        return wgpuDeviceCreateCommandEncoder(gpuContext.device, &cmdEncoderDesc);
+    }();
+
+    mGbufferPass.render(
+        gpuContext,
+        viewProjectionMat,
+        encoder,
+        mDepthTextureView,
+        mAlbedoTextureView,
+        mNormalTextureView);
+
+    mDebugPass.render(mGbufferBindGroup, encoder, textureView);
+
+    const WGPUCommandBuffer cmdBuffer = [encoder]() {
+        const WGPUCommandBufferDescriptor cmdBufferDesc{
+            .nextInChain = nullptr,
+            .label = "HybridRenderer command buffer",
+        };
+        return wgpuCommandEncoderFinish(encoder, &cmdBufferDesc);
+    }();
+    wgpuQueueSubmit(gpuContext.queue, 1, &cmdBuffer);
+}
+
 void HybridRenderer::resize(const GpuContext& gpuContext, const Extent2u& newSize)
 {
     NLRS_ASSERT(newSize.x > 0 && newSize.y > 0);

diff --git a/src/pt/hybrid_renderer.hpp b/src/pt/hybrid_renderer.hpp
@@ -50,6 +50,7 @@ class HybridRenderer
         const glm::vec3&  cameraPosition,
         const Sky&        sky,
         WGPUTextureView   targetTextureView);
+    void renderDebug(const GpuContext&, const glm::mat4&, WGPUTextureView);
     void resize(const GpuContext&, const Extent2u&);
 
 private:

diff --git a/src/pt/main.cpp b/src/pt/main.cpp
@@ -41,6 +41,7 @@ enum RendererType
 {
     RendererType_PathTracer,
     RendererType_Hybrid,
+    RendererType_Debug,
 };
 
 struct UiState
@@ -313,6 +314,8 @@ try
             ImGui::RadioButton("path tracer", &appState.ui.rendererType, RendererType_PathTracer);
             ImGui::SameLine();
             ImGui::RadioButton("hybrid", &appState.ui.rendererType, RendererType_Hybrid);
+            ImGui::SameLine();
+            ImGui::RadioButton("debug", &appState.ui.rendererType, RendererType_Debug);
             ImGui::Separator();
 
             ImGui::Text("Renderer stats");
@@ -439,6 +442,12 @@ try
                 textureBlitter.textureView());
             break;
         }
+        case RendererType_Debug:
+        {
+            const glm::mat4 viewProjectionMat = appState.cameraController.viewProjectionMatrix();
+            hybridRenderer.renderDebug(gpuContext, viewProjectionMat, textureBlitter.textureView());
+            break;
+        }
         }
         textureBlitter.render(gpuContext, gui, swapChain);
     };