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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| #include "graphicsApp.h" | ||
| #include "quadric/include/torus.h" | ||
|
|
||
| class DebugTangents : public GraphicsApp | ||
| { | ||
| struct alignas(16) Wireframe | ||
| { | ||
| rapid::float3 color; | ||
| float lineWidth; | ||
| }; | ||
|
|
||
| std::unique_ptr<quadric::Torus> torus; | ||
| std::shared_ptr<magma::UniformBuffer<Wireframe>> wireframe; | ||
| std::shared_ptr<magma::GraphicsPipeline> depthPipeline; | ||
| std::shared_ptr<magma::GraphicsPipeline> wireframePipeline; | ||
| std::shared_ptr<magma::GraphicsPipeline> tangentsPipeline; | ||
| DescriptorSet wireframeDescriptor; | ||
| DescriptorSet transformDescriptor; | ||
|
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| bool showTangents = true; | ||
|
|
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| public: | ||
| explicit DebugTangents(const AppEntry& entry): | ||
| GraphicsApp(entry, TEXT("Debug tangents"), 1280, 720, false) | ||
| { | ||
| setupViewProjection(); | ||
| createMesh(); | ||
| createTransformBuffer(1); | ||
| createUniformBuffer(); | ||
| setupDescriptorSets(); | ||
| setupGraphicsPipelines(); | ||
|
|
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| renderScene(drawCmdBuffer); | ||
| blit(msaaFramebuffer->getColorView(), FrontBuffer); | ||
| blit(msaaFramebuffer->getColorView(), BackBuffer); | ||
| } | ||
|
|
||
| virtual void render(uint32_t bufferIndex) override | ||
| { | ||
| updateTransforms(); | ||
| submitCommandBuffers(bufferIndex); | ||
| sleep(2); // Cap fps | ||
| } | ||
|
|
||
| virtual void onKeyDown(char key, int repeat, uint32_t flags) override | ||
| { | ||
| constexpr float step = 0.1f; | ||
| switch (key) | ||
| { | ||
| case AppKey::Space: | ||
| showTangents = !showTangents; | ||
| renderScene(drawCmdBuffer); | ||
| break; | ||
| } | ||
| VulkanApp::onKeyDown(key, repeat, flags); | ||
| } | ||
|
|
||
| virtual void onMouseWheel(float distance) override | ||
| { | ||
| float step = distance * 0.2f; | ||
| float z = viewProj->getPosition().z; | ||
| if ((z + step < -2.5f) && (z + step > -15.f)) | ||
| viewProj->translate(0.f, 0.f, step); | ||
| updateViewProjTransforms(); | ||
| } | ||
|
|
||
| void setupViewProjection() | ||
| { | ||
| viewProj = std::make_unique<LeftHandedViewProjection>(); | ||
| viewProj->setPosition(0.f, 0.f, -4.f); | ||
| viewProj->setFocus(0.f, 0.f, 0.f); | ||
| viewProj->setFieldOfView(60.f); | ||
| viewProj->setNearZ(1.f); | ||
| viewProj->setFarZ(100.f); | ||
| viewProj->setAspectRatio(width/(float)height); | ||
| viewProj->updateView(); | ||
| viewProj->updateProjection(); | ||
|
|
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| updateViewProjTransforms(); | ||
| } | ||
|
|
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| void updateTransforms() | ||
| { | ||
| const std::vector<rapid::matrix, core::aligned_allocator<rapid::matrix>> transforms = { | ||
| arcball->transform() | ||
| }; | ||
| updateObjectTransforms(transforms); | ||
| } | ||
|
|
||
| void createMesh() | ||
| { | ||
| torus = std::make_unique<quadric::Torus>(0.4f, 1.0f, 16, 32, true, cmdCopyBuf); | ||
| } | ||
|
|
||
| void createUniformBuffer() | ||
| { | ||
| wireframe = std::make_shared<magma::UniformBuffer<Wireframe>>(device); | ||
| magma::helpers::mapScoped(wireframe, | ||
| [](auto *wireframe) | ||
| { | ||
| wireframe->color = rapid::float3(0.4f, 0.4f, 0.4f); | ||
| wireframe->lineWidth = 1.2f; | ||
| }); | ||
| } | ||
|
|
||
| void setupDescriptorSets() | ||
| { | ||
| using namespace magma::bindings; | ||
| using namespace magma::descriptors; | ||
| // 1. Wireframe pass | ||
| wireframeDescriptor.layout = std::shared_ptr<magma::DescriptorSetLayout>(new magma::DescriptorSetLayout(device, | ||
| { | ||
| VertexStageBinding(0, DynamicUniformBuffer(1)), | ||
| FragmentStageBinding(1, UniformBuffer(1)), | ||
| })); | ||
| wireframeDescriptor.set = descriptorPool->allocateDescriptorSet(wireframeDescriptor.layout); | ||
| wireframeDescriptor.set->update(0, transforms); | ||
| wireframeDescriptor.set->update(1, wireframe); | ||
| // 2. Tangents pass | ||
| transformDescriptor.layout = std::shared_ptr<magma::DescriptorSetLayout>(new magma::DescriptorSetLayout(device, | ||
| VertexGeometryStageBinding(0, DynamicUniformBuffer(1)))); | ||
| transformDescriptor.set = descriptorPool->allocateDescriptorSet(transformDescriptor.layout); | ||
| transformDescriptor.set->update(0, transforms); | ||
| } | ||
|
|
||
| void setupGraphicsPipelines() | ||
| { | ||
| depthPipeline = createDepthOnlyPipeline("transform.o", | ||
| torus->getVertexInput(), | ||
| transformDescriptor.layout); | ||
| auto pipelineLayout = std::make_shared<magma::PipelineLayout>(wireframeDescriptor.layout); | ||
| wireframePipeline = std::make_shared<magma::GraphicsPipeline>(device, | ||
| std::vector<magma::PipelineShaderStage>{ | ||
| loadShaderStage("transform.o"), | ||
| loadShaderStage("barycentric.o"), | ||
| loadShaderStage("wireframe.o") | ||
| }, | ||
| torus->getVertexInput(), | ||
| magma::renderstates::triangleList, | ||
| magma::TesselationState(), | ||
| magma::ViewportState(0.f, 0.f, msaaFramebuffer->getExtent()), | ||
| magma::renderstates::fillCullBackCW, | ||
| msaaFramebuffer->getMultisampleState(), | ||
| magma::renderstates::depthEqual, | ||
| magma::renderstates::blendNormalRgb, | ||
| std::initializer_list<VkDynamicState>{}, | ||
| std::move(pipelineLayout), | ||
| msaaFramebuffer->getRenderPass(), | ||
| 0, | ||
| pipelineCache, | ||
| nullptr, nullptr, 0); | ||
| pipelineLayout = std::make_shared<magma::PipelineLayout>(transformDescriptor.layout); | ||
| tangentsPipeline = std::make_shared<magma::GraphicsPipeline>(device, | ||
| std::vector<magma::PipelineShaderStage>{ | ||
| loadShaderStage("transform.o"), | ||
| loadShaderStage("tangents.o"), | ||
| loadShaderStage("fill.o") | ||
| }, | ||
| torus->getVertexInput(), | ||
| magma::renderstates::triangleList, | ||
| magma::TesselationState(), | ||
| magma::ViewportState(0.f, 0.f, msaaFramebuffer->getExtent()), | ||
| magma::renderstates::fillCullBackCW, | ||
| msaaFramebuffer->getMultisampleState(), | ||
| magma::renderstates::depthLessOrEqual, | ||
| magma::renderstates::dontBlendRgb, | ||
| std::initializer_list<VkDynamicState>{VK_DYNAMIC_STATE_LINE_WIDTH}, | ||
| std::move(pipelineLayout), | ||
| msaaFramebuffer->getRenderPass(), | ||
| 0, | ||
| pipelineCache, | ||
| nullptr, nullptr, 0); | ||
| } | ||
|
|
||
| void renderScene(std::shared_ptr<magma::CommandBuffer> cmdBuffer) | ||
| { | ||
| cmdBuffer->begin(); | ||
| { | ||
| cmdBuffer->beginRenderPass(msaaFramebuffer->getRenderPass(), msaaFramebuffer->getFramebuffer(), | ||
| { | ||
| magma::clears::blackColor, | ||
| magma::clears::depthOne | ||
| }); | ||
| { // 1. Depth pre-pass | ||
| cmdBuffer->bindPipeline(depthPipeline); | ||
| cmdBuffer->bindDescriptorSet(depthPipeline, transformDescriptor.set, transforms->getDynamicOffset(0)); | ||
| torus->draw(cmdBuffer); | ||
| // 2. Wireframe mesh | ||
| cmdBuffer->bindPipeline(wireframePipeline); | ||
| cmdBuffer->bindDescriptorSet(wireframePipeline, wireframeDescriptor.set, transforms->getDynamicOffset(0)); | ||
| torus->draw(cmdBuffer); | ||
| // 3. Debug tangents | ||
| if (showTangents) | ||
| { | ||
| cmdBuffer->bindPipeline(tangentsPipeline); | ||
| cmdBuffer->bindDescriptorSet(tangentsPipeline, transformDescriptor.set, transforms->getDynamicOffset(0)); | ||
| cmdBuffer->setLineWidth(3.f); | ||
| torus->draw(cmdBuffer); | ||
| } | ||
| } | ||
| cmdBuffer->endRenderPass(); | ||
| } | ||
| cmdBuffer->end(); | ||
| } | ||
| }; | ||
|
|
||
| std::unique_ptr<IApplication> appFactory(const AppEntry& entry) | ||
| { | ||
| return std::unique_ptr<DebugTangents>(new DebugTangents(entry)); | ||
| } |
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