212 lines
11 KiB
C++
212 lines
11 KiB
C++
#include "CachedDepthPass.h"
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#include "Graphics/Pipeline.h"
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#include "Graphics/Shader.h"
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using namespace Seele;
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CachedDepthPass::CachedDepthPass(Gfx::PGraphics graphics, PScene scene) : RenderPass(graphics), scene(scene) {
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depthPrepassLayout = graphics->createPipelineLayout("CachedDepthLayout");
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depthPrepassLayout->addDescriptorLayout(viewParamsLayout);
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depthPrepassLayout->addPushConstants(Gfx::SePushConstantRange{
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.stageFlags = Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT,
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.offset = 0,
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.size = sizeof(VertexData::DrawCallOffsets),
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});
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if (graphics->supportMeshShading()) {
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graphics->getShaderCompiler()->registerRenderPass("CachedDepthPass", Gfx::PassConfig{
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.baseLayout = depthPrepassLayout,
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.taskFile = "DrawListTask",
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.mainFile = "DrawListMesh",
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.fragmentFile = "VisibilityPass",
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.hasFragmentShader = true,
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.useMeshShading = true,
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.hasTaskShader = true,
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.useMaterial = false,
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.useVisibility = true,
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});
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} else {
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graphics->getShaderCompiler()->registerRenderPass("CachedDepthPass", Gfx::PassConfig{
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.baseLayout = depthPrepassLayout,
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.taskFile = "",
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.mainFile = "LegacyPass",
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.fragmentFile = "VisibilityPass",
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.hasFragmentShader = true,
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.useMeshShading = false,
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.hasTaskShader = false,
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.useMaterial = false,
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.useVisibility = true,
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});
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}
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}
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CachedDepthPass::~CachedDepthPass() {}
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void CachedDepthPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
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viewParamsSet = createViewParamsSet(cam, transform);
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}
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void CachedDepthPass::render() {
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graphics->beginDebugRegion("CachedDepth");
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query->beginQuery();
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timestamps->write(Gfx::SE_PIPELINE_STAGE_TOP_OF_PIPE_BIT, "CachedBegin");
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graphics->beginRenderPass(renderPass);
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Array<Gfx::ORenderCommand> commands;
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Gfx::ShaderPermutation permutation = graphics->getShaderCompiler()->getTemplate("CachedDepthPass");
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permutation.setPositionOnly(getGlobals().usePositionOnly);
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permutation.setDepthCulling(true);
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for (VertexData* vertexData : VertexData::getList()) {
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permutation.setVertexData(vertexData->getTypeName());
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vertexData->getInstanceDataSet()->updateBuffer(VertexData::CULLINGDATA_NAME, 0, cullingBuffer);
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vertexData->getInstanceDataSet()->writeChanges();
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// Create Pipeline(VertexData)
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// Descriptors:
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// ViewData => global, static
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// VertexData => per meshtype
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// SceneData => per meshtype
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Gfx::PermutationId id(permutation);
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Gfx::ORenderCommand command = graphics->createRenderCommand("CullingRender");
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command->setViewport(viewport);
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const Gfx::ShaderCollection* collection = graphics->getShaderCompiler()->findShaders(id);
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assert(collection != nullptr);
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if (graphics->supportMeshShading()) {
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Gfx::MeshPipelineCreateInfo pipelineInfo = {
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.taskShader = collection->taskShader,
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.meshShader = collection->meshShader,
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.fragmentShader = collection->fragmentShader,
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.renderPass = renderPass,
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.pipelineLayout = collection->pipelineLayout,
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.rasterizationState =
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{
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.cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
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},
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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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Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
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command->bindPipeline(pipeline);
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} else {
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Gfx::LegacyPipelineCreateInfo pipelineInfo = {
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.vertexShader = collection->vertexShader,
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.fragmentShader = collection->fragmentShader,
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.renderPass = renderPass,
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.pipelineLayout = collection->pipelineLayout,
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.rasterizationState =
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{
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.cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
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},
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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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Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
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command->bindPipeline(pipeline);
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}
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command->bindDescriptor({viewParamsSet, vertexData->getVertexDataSet(), vertexData->getInstanceDataSet()});
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VertexData::DrawCallOffsets offsets = {
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.instanceOffset = 0,
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};
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command->pushConstants(Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT, 0, sizeof(VertexData::DrawCallOffsets),
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&offsets);
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if (graphics->supportMeshShading()) {
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command->drawMesh((uint32)vertexData->getNumInstances(), 1, 1);
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} else {
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const auto& materials = vertexData->getMaterialData();
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for (const auto& materialData : materials) {
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// material not used for any active meshes, skip
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if (materialData.instances.size() == 0)
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continue;
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for (const auto& drawCall : materialData.instances) {
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command->bindIndexBuffer(vertexData->getIndexBuffer());
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uint32 inst = drawCall.offsets.instanceOffset;
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for (const auto& meshData : drawCall.instanceMeshData) {
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// all meshlets of a mesh share the same indices offset
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command->drawIndexed(meshData.indicesRange.size, 1, meshData.indicesRange.offset,
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vertexData->getIndicesOffset(meshData.meshletRange.offset), inst++);
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}
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}
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}
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}
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commands.add(std::move(command));
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}
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graphics->executeCommands(std::move(commands));
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graphics->endRenderPass();
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timestamps->write(Gfx::SE_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, "CachedEnd");
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query->endQuery();
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graphics->endDebugRegion();
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}
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void CachedDepthPass::endFrame() {}
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void CachedDepthPass::publishOutputs() {
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// If we render to a part of an image, the depth buffer itself must
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// still match the size of the whole image or their coordinate systems go out of sync
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TextureCreateInfo depthBufferInfo = {
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.format = Gfx::SE_FORMAT_D32_SFLOAT,
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.width = viewport->getOwner()->getFramebufferWidth(),
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.height = viewport->getOwner()->getFramebufferHeight(),
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.usage = Gfx::SE_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
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};
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depthBuffer = graphics->createTexture2D(depthBufferInfo);
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depthAttachment =
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Gfx::RenderTargetAttachment(depthBuffer, Gfx::SE_IMAGE_LAYOUT_UNDEFINED, Gfx::SE_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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Gfx::SE_ATTACHMENT_LOAD_OP_CLEAR, Gfx::SE_ATTACHMENT_STORE_OP_STORE);
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resources->registerRenderPassOutput("DEPTHPREPASS_DEPTH", depthAttachment);
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TextureCreateInfo visibilityInfo = {
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.format = Gfx::SE_FORMAT_R32_UINT,
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.width = viewport->getOwner()->getFramebufferWidth(),
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.height = viewport->getOwner()->getFramebufferHeight(),
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.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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};
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visibilityBuffer = graphics->createTexture2D(visibilityInfo);
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visibilityAttachment =
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Gfx::RenderTargetAttachment(visibilityBuffer, Gfx::SE_IMAGE_LAYOUT_UNDEFINED, Gfx::SE_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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Gfx::SE_ATTACHMENT_LOAD_OP_CLEAR, Gfx::SE_ATTACHMENT_STORE_OP_STORE);
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resources->registerRenderPassOutput("VISIBILITY", visibilityAttachment);
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query = graphics->createPipelineStatisticsQuery("CachedPipelineStatistics");
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resources->registerQueryOutput("CACHED_QUERY", query);
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timestamps = graphics->createTimestampQuery(7, "CachedTS");
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resources->registerTimestampQueryOutput("TIMESTAMPS", timestamps);
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}
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void CachedDepthPass::createRenderPass() {
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cullingBuffer = resources->requestBuffer("CULLINGBUFFER");
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Gfx::RenderTargetLayout layout = Gfx::RenderTargetLayout{
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.colorAttachments = {visibilityAttachment},
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.depthAttachment = depthAttachment,
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};
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Array<Gfx::SubPassDependency> dependency = {
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{
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.srcSubpass = ~0U,
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.dstSubpass = 0,
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.srcStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
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.dstStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT,
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.srcAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
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Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
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.dstAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
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Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
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},
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{
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.srcSubpass = 0,
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.dstSubpass = ~0U,
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.srcStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
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.dstStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT,
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.srcAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
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Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
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.dstAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
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Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
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},
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};
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renderPass = graphics->createRenderPass(std::move(layout), std::move(dependency), viewport->getRenderArea(), "CachedDepthPass");
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}
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