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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| #include "graphicsApp.h" | ||
| #include "colorTable.h" | ||
| #include "textureLoader.h" | ||
| #include "quadric/include/cube.h" | ||
| #include "quadric/include/sphere.h" | ||
|
|
||
| class SelfShadowing : public GraphicsApp | ||
| { | ||
| struct Constants | ||
| { | ||
| VkBool32 selfShadowing; | ||
| }; | ||
|
|
||
| std::unique_ptr<quadric::Cube> box; | ||
| std::unique_ptr<quadric::Sphere> sphere; | ||
| std::shared_ptr<magma::ImageView> diffuseMap; | ||
| std::shared_ptr<magma::ImageView> normalMap; | ||
| std::shared_ptr<magma::ImageView> specularMap; | ||
| std::shared_ptr<magma::GraphicsPipeline> phongPipeline; | ||
| std::shared_ptr<magma::GraphicsPipeline> spherePipeline; | ||
| DescriptorSet phongDescriptor; | ||
| DescriptorSet fillDescriptor; | ||
|
|
||
| Constants constants = {false}; | ||
|
|
||
| public: | ||
| explicit SelfShadowing(const AppEntry& entry): | ||
| GraphicsApp(entry, TEXT("Self-shadowing"), 1280, 720, true) | ||
| { | ||
| setupViewProjection(); | ||
| createTransformBuffer(2); | ||
| createMeshObjects(); | ||
| loadTexture(); | ||
| setupDescriptorSets(); | ||
| setupGraphicsPipelines(); | ||
|
|
||
| renderScene(drawCmdBuffer); | ||
| blit(msaaFramebuffer->getColorView(), FrontBuffer); | ||
| blit(msaaFramebuffer->getColorView(), BackBuffer); | ||
| } | ||
|
|
||
| virtual void render(uint32_t bufferIndex) override | ||
| { | ||
| updateTransforms(); | ||
| submitCommandBuffers(bufferIndex); | ||
| std::this_thread::sleep_for(std::chrono::milliseconds(2)); // Cap fps | ||
| } | ||
|
|
||
| virtual void onKeyDown(char key, int repeat, uint32_t flags) override | ||
| { | ||
| switch (key) | ||
| { | ||
| case AppKey::Space: | ||
| constants.selfShadowing = !constants.selfShadowing; | ||
| setupGraphicsPipelines(); | ||
| renderScene(drawCmdBuffer); | ||
| break; | ||
| } | ||
| updateTransforms(); | ||
| updateLightSource(); | ||
| VulkanApp::onKeyDown(key, repeat, flags); | ||
| } | ||
|
|
||
| virtual void onMouseWheel(float distance) override | ||
| { | ||
| float step = distance * 0.2f; | ||
| float z = viewProj->getPosition().z; | ||
| if ((z + step < -3.3f) && (z + step > -15.f)) | ||
| viewProj->translate(0.f, 0.f, step); | ||
| updateViewProjTransforms(); | ||
| } | ||
|
|
||
| virtual void updateLightSource() | ||
| { | ||
| magma::helpers::mapScoped<LightSource>(lightSource, | ||
| [this](auto *light) | ||
| { | ||
| constexpr float ambientFactor = 0.2f; | ||
| light->viewPosition = viewProj->getView() * lightViewProj->getPosition(); | ||
| light->ambient = ivory * ambientFactor; | ||
| light->diffuse = ivory; | ||
| light->specular = old_lace; | ||
| }); | ||
| } | ||
|
|
||
| void setupViewProjection() | ||
| { | ||
| viewProj = std::make_unique<LeftHandedViewProjection>(); | ||
| viewProj->setPosition(0.f, 0.f, -5.f); | ||
| viewProj->setFocus(0.f, 0.f, 0.f); | ||
| viewProj->setFieldOfView(45.f); | ||
| viewProj->setNearZ(1.f); | ||
| viewProj->setFarZ(100.f); | ||
| viewProj->setAspectRatio(width / (float)height); | ||
| viewProj->updateView(); | ||
| viewProj->updateProjection(); | ||
|
|
||
| lightViewProj = std::make_unique<LeftHandedViewProjection>(); | ||
| lightViewProj->setPosition(-1.f, 1.f, -2.f); | ||
|
|
||
| updateViewProjTransforms(); | ||
| } | ||
|
|
||
| void updateTransforms() | ||
| { | ||
| rapid::matrix lightTransform = rapid::translation(rapid::vector3(lightViewProj->getPosition())); | ||
| const std::vector<rapid::matrix, core::aligned_allocator<rapid::matrix>> transforms = { | ||
| arcball->transform(), | ||
| lightTransform | ||
| }; | ||
| updateObjectTransforms(transforms); | ||
| } | ||
|
|
||
| void createMeshObjects() | ||
| { | ||
| box = std::make_unique<quadric::Cube>(cmdCopyBuf); | ||
| sphere = std::make_unique<quadric::Sphere>(0.02f, 8, 8, true, cmdCopyBuf); | ||
| } | ||
|
|
||
| void loadTexture() | ||
| { // https://freepbr.com/materials/storage-container2/ | ||
| diffuseMap = loadDxtTexture(cmdCopyImg, "storage-container2/storage-container2-albedo.dds", true); | ||
| normalMap = loadDxtTexture(cmdCopyImg, "storage-container2/storage-container2-normal-dx.dds"); | ||
| specularMap = loadDxtTexture(cmdCopyImg, "storage-container2/storage-container2-roughness.dds"); | ||
| } | ||
|
|
||
| void setupDescriptorSets() | ||
| { | ||
| using namespace magma::bindings; | ||
| using namespace magma::descriptors; | ||
| // Bump shader | ||
| phongDescriptor.layout = std::shared_ptr<magma::DescriptorSetLayout>(new magma::DescriptorSetLayout(device, | ||
| { | ||
| VertexFragmentStageBinding(0, DynamicUniformBuffer(1)), | ||
| FragmentStageBinding(1, UniformBuffer(1)), | ||
| FragmentStageBinding(2, UniformBuffer(1)), | ||
| FragmentStageBinding(3, CombinedImageSampler(1)), | ||
| FragmentStageBinding(4, CombinedImageSampler(1)), | ||
| FragmentStageBinding(5, CombinedImageSampler(1)) | ||
| })); | ||
| phongDescriptor.set = descriptorPool->allocateDescriptorSet(phongDescriptor.layout); | ||
| phongDescriptor.set->update(0, transforms); | ||
| phongDescriptor.set->update(1, viewProjTransforms); | ||
| phongDescriptor.set->update(2, lightSource); | ||
| phongDescriptor.set->update(3, diffuseMap, anisotropicClampToEdge); | ||
| phongDescriptor.set->update(4, normalMap, anisotropicClampToEdge); | ||
| phongDescriptor.set->update(5, specularMap, anisotropicClampToEdge); | ||
| // Fill shader | ||
| fillDescriptor.layout = std::shared_ptr<magma::DescriptorSetLayout>(new magma::DescriptorSetLayout(device, | ||
| { | ||
| VertexStageBinding(0, DynamicUniformBuffer(1)) | ||
| })); | ||
| fillDescriptor.set = descriptorPool->allocateDescriptorSet(fillDescriptor.layout); | ||
| fillDescriptor.set->update(0, transforms); | ||
| } | ||
|
|
||
| void setupGraphicsPipelines() | ||
| { | ||
| auto specialization(std::make_shared<magma::Specialization>(constants, | ||
| magma::SpecializationEntry(0, &Constants::selfShadowing))); | ||
| phongPipeline = createCommonSpecializedPipeline( | ||
| "transform.o", "phong.o", | ||
| std::move(specialization), | ||
| box->getVertexInput(), | ||
| phongDescriptor.layout); | ||
| if (!spherePipeline) | ||
| { | ||
| spherePipeline = createCommonPipeline( | ||
| "transform.o", "fill.o", | ||
| sphere->getVertexInput(), | ||
| fillDescriptor.layout); | ||
| } | ||
| } | ||
|
|
||
| void renderScene(std::shared_ptr<magma::CommandBuffer> cmdBuffer) | ||
| { | ||
| cmdBuffer->begin(); | ||
| { | ||
| cmdBuffer->beginRenderPass(msaaFramebuffer->getRenderPass(), msaaFramebuffer->getFramebuffer(), | ||
| { | ||
| magma::ClearColor(0.1f, 0.243f, 0.448f, 1.f), | ||
| magma::clears::depthOne | ||
| }); | ||
| { | ||
| cmdBuffer->bindPipeline(phongPipeline); | ||
| cmdBuffer->bindDescriptorSet(phongPipeline, phongDescriptor.set, transforms->getDynamicOffset(0)); | ||
| box->draw(cmdBuffer); | ||
| cmdBuffer->bindPipeline(spherePipeline); | ||
| cmdBuffer->bindDescriptorSet(spherePipeline, fillDescriptor.set, transforms->getDynamicOffset(1)); | ||
| sphere->draw(cmdBuffer); | ||
| } | ||
| cmdBuffer->endRenderPass(); | ||
| } | ||
| cmdBuffer->end(); | ||
| } | ||
| }; | ||
|
|
||
| std::unique_ptr<IApplication> appFactory(const AppEntry& entry) | ||
| { | ||
| return std::unique_ptr<SelfShadowing>(new SelfShadowing(entry)); | ||
| } |
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