Irradiance works
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@@ -14,6 +14,20 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
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.offset = {0, 0},
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},
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});
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convolutionViewport = graphics->createViewport(nullptr, ViewportCreateInfo{
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.dimensions =
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{
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.size = {32, 32},
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.offset = {0, 0},
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},
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});
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cubeSampler = graphics->createSampler({
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.magFilter = Gfx::SE_FILTER_LINEAR,
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.minFilter = Gfx::SE_FILTER_LINEAR,
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.addressModeU = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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.addressModeV = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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.addressModeW = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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});
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cubeRenderLayout = graphics->createDescriptorLayout("pViewParams");
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cubeRenderLayout->addDescriptorBinding(Gfx::DescriptorBinding{
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@@ -32,6 +46,10 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
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.name = "sampler",
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.descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLER,
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});
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cubeRenderLayout->addDescriptorBinding(Gfx::DescriptorBinding{
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.name = "cubeMap",
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.descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
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});
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cubeRenderLayout->create();
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cubePipelineLayout = graphics->createPipelineLayout("CubeRenderLayout");
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@@ -43,7 +61,8 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
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.entryPoints =
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{
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{"vertMain", "EnvironmentMapping"},
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{"fragMain", "EnvironmentMapping"},
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{"computeCubemap", "EnvironmentMapping"},
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{"convolveCubemap", "EnvironmentMapping"},
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},
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.rootSignature = cubePipelineLayout,
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});
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@@ -51,14 +70,7 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
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cubeRenderVertex = graphics->createVertexShader({0});
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cubeRenderFrag = graphics->createFragmentShader({1});
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cubeSampler = graphics->createSampler({
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.magFilter = Gfx::SE_FILTER_LINEAR,
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.minFilter = Gfx::SE_FILTER_LINEAR,
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.addressModeU = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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.addressModeV = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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.addressModeW = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
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});
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convolutionFrag = graphics->createFragmentShader({2});
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}
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EnvironmentLoader::~EnvironmentLoader() {}
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@@ -93,12 +105,12 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
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});
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Matrix4 captureProjection = glm::perspective(glm::radians(90.0f), 1.0f, 0.1f, 10.0f);
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Matrix4 captureViews[] = {
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(-1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f), Vector(0.0f, 0.0f, 1.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, -1.0f, 0.0f), Vector(0.0f, 0.0f, -1.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 0.0f, 1.0f), Vector(0.0f, 1.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 0.0f, -1.0f), Vector(0.0f, 1.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, -1.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(-1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
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glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
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};
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Gfx::PDescriptorSet set = cubeRenderLayout->allocateDescriptorSet();
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set->updateConstants("view", 0, captureViews);
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@@ -110,9 +122,9 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
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.format = Gfx::SE_FORMAT_R32G32B32A32_SFLOAT,
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.width = 1024,
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.height = 1024,
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.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | Gfx::SE_IMAGE_USAGE_SAMPLED_BIT,
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});
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cubeRenderPass = graphics->createRenderPass(
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Gfx::ORenderPass cubeRenderPass = graphics->createRenderPass(
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Gfx::RenderTargetLayout{
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.colorAttachments = {Gfx::RenderTargetAttachment(cubeMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
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Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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@@ -139,9 +151,57 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
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renderCommand->bindPipeline(cubeRenderPipeline);
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renderCommand->bindDescriptor({set});
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renderCommand->setViewport(cubeRenderViewport);
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renderCommand->draw(6, 1, 0, 0);
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renderCommand->draw(36, 1, 0, 0);
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graphics->executeCommands(std::move(renderCommand));
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graphics->endRenderPass();
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Gfx::OTextureCube convolutedMap = graphics->createTextureCube(TextureCreateInfo{
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.format = Gfx::SE_FORMAT_R32G32B32A32_SFLOAT,
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.width = 32,
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.height = 32,
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.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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});
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Gfx::ORenderPass convolutionPass = graphics->createRenderPass(
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Gfx::RenderTargetLayout{
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.colorAttachments = {Gfx::RenderTargetAttachment(convolutedMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
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Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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Gfx::SE_ATTACHMENT_LOAD_OP_DONT_CARE, Gfx::SE_ATTACHMENT_STORE_OP_STORE)},
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},
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{},
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URect{
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.size = {32, 32},
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.offset = {0, 0},
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},
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"EnvironmentRenderPass", {0b111111}, {0b111111});
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convolutionPipeline = graphics->createGraphicsPipeline(Gfx::LegacyPipelineCreateInfo{
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.vertexShader = cubeRenderVertex,
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.fragmentShader = convolutionFrag,
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.renderPass = convolutionPass,
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.pipelineLayout = cubePipelineLayout,
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.colorBlend =
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{
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.attachmentCount = 1,
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},
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});
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set = cubeRenderLayout->allocateDescriptorSet();
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set->updateConstants("view", 0, captureViews);
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set->updateConstants("projection", 0, &captureProjection);
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set->updateSampler("sampler", 0, cubeSampler);
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set->updateTexture("cubeMap", 0, Gfx::PTextureCube(cubeMap));
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set->writeChanges();
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graphics->beginRenderPass(convolutionPass);
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Gfx::ORenderCommand cmd = graphics->createRenderCommand("ConvolutionPass");
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cmd->bindPipeline(convolutionPipeline);
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cmd->bindDescriptor({set});
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cmd->setViewport(convolutionViewport);
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cmd->draw(36, 1, 0, 0);
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graphics->executeCommands(std::move(cmd));
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graphics->endRenderPass();
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asset->skybox = std::move(cubeMap);
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asset->irradianceMap = std::move(convolutedMap);
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asset->specularMap = std::move(cubeMap);
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graphics->waitDeviceIdle();
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asset->diffuseMap = std::move(cubeMap);
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}
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