Basic shadow mapping rendering

res/shaders/DrawListTask.slang

@@ -26,7 +26,7 @@ void taskMain(
         uint cull = p.cullingOffset + i;
         MeshletDescription meshlet = pScene.meshletInfos[m];
         MeshletCullingInfo culling = pScene.cullingInfos[cull];
-        if(culling.wasVisible())
+        //if(culling.wasVisible())
         {
             uint index;
             InterlockedAdd(head, 1, index);

slangdconfig.json

@@ -0,0 +1,8 @@
+{
+  "slang.predefinedMacros": [
+  ],
+  "slang.additionalSearchPaths": [
+    "res/shaders/lib",
+    "c:\\Program Files\\Seele\\res\\shaders\\lib"
+  ]
+}

src/Editor/Asset/EnvironmentLoader.cpp

@@ -129,18 +129,22 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
     });
     Gfx::ORenderPass cubeRenderPass = graphics->createRenderPass(
         Gfx::RenderTargetLayout{
-            .colorAttachments = {Gfx::RenderTargetAttachment(cubeMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
+            .colorAttachments =
-                                                             Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
+                {
-                                                             Gfx::SE_ATTACHMENT_LOAD_OP_DONT_CARE, Gfx::SE_ATTACHMENT_STORE_OP_STORE)},
+                    Gfx::RenderTargetAttachment(cubeMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED, Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
+                                                Gfx::SE_ATTACHMENT_LOAD_OP_DONT_CARE, Gfx::SE_ATTACHMENT_STORE_OP_STORE),
                 },
-        {Gfx::SubPassDependency{
+        },
+        {
+            Gfx::SubPassDependency{
                 .srcSubpass = 0,
                 .dstSubpass = ~0U,
                 .srcStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
                 .dstStage = Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
                 .srcAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
                 .dstAccess = Gfx::SE_ACCESS_SHADER_READ_BIT,
-        }},
+            },
+        },
         {
             .size = {SOURCE_RESOLUTION, SOURCE_RESOLUTION},
             .offset = {0, 0},

src/Editor/Asset/MeshLoader.cpp

@@ -155,7 +155,6 @@ void MeshLoader::loadMaterials(const aiScene* scene, const Array<PTextureAsset>&
             if (material->GetTexture(type, index, &texPath, &mapping, &uvIndex, &blend, &op, &mapMode) != AI_SUCCESS) {
                 std::cout << "fuck" << std::endl;
             }
-            uvIndex = 1;
             std::string textureKey = fmt::format("{0}Texture{1}", paramKey, index);
             auto texFilename = std::filesystem::path(texPath.C_Str());
             PTextureAsset texture;

src/Engine/Actor/DirectionalLightActor.cpp

@@ -5,7 +5,7 @@ using namespace Seele;
 DirectionalLightActor::DirectionalLightActor(PScene scene) : Actor(scene) { attachComponent<Component::DirectionalLight>(); }
 
 DirectionalLightActor::DirectionalLightActor(PScene scene, Vector color, float intensity, Vector direction) : Actor(scene) {
-    attachComponent<Component::DirectionalLight>(Vector4(color, intensity), Vector4(direction, 0));
+    attachComponent<Component::DirectionalLight>(Vector4(color, intensity), Vector4(glm::normalize(direction), 0));
 }
 
 DirectionalLightActor::~DirectionalLightActor() {}

src/Engine/Component/Camera.h

@@ -6,7 +6,8 @@
 namespace Seele {
 namespace Component {
 struct Camera {
-    Matrix4 viewMatrix;
+    float nearPlane = 0.001f;
+    float farPlane = 10000.0f;
     bool mainCamera = false;
 };
 } // namespace Component

src/Engine/Graphics/Initializer.h

@@ -35,6 +35,11 @@ struct WindowCreateInfo {
 struct ViewportCreateInfo {
     URect dimensions;
     float fieldOfView = glm::radians(70.0f);
+    // ortho params
+    float left = 0;
+    float right = 0;
+    float top = 0;
+    float bottom = 0;
 };
 // doesnt own the data, only proxy it
 struct DataSource {

src/Engine/Graphics/RenderPass/BasePass.cpp

@@ -89,7 +89,7 @@ BasePass::BasePass(Gfx::PGraphics graphics, PScene scene) : RenderPass(graphics)
 BasePass::~BasePass() {}
 
 void BasePass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
-    RenderPass::beginFrame(cam, transform);
+    viewParamsSet = createViewParamsSet(cam, transform);
 
     cameraPos = transform.getPosition();
     cameraForward = transform.getForward();
@@ -136,6 +136,7 @@ void BasePass::beginFrame(const Component::Camera& cam, const Component::Transfo
 }
 
 void BasePass::render() {
+    graphics->beginDebugRegion("BasePass");
     opaqueCulling->updateBuffer(LIGHTINDEX_NAME, 0, oLightIndexList);
     opaqueCulling->updateTexture(LIGHTGRID_NAME, 0, oLightGrid);
     transparentCulling->updateBuffer(LIGHTINDEX_NAME, 0, tLightIndexList);
@@ -151,6 +152,8 @@ void BasePass::render() {
     permutation.setDepthCulling(true); // always use the culling info
     permutation.setPositionOnly(false);
     Array<VertexData::TransparentDraw> transparentData;
+    {
+        graphics->beginDebugRegion("Opaque");
         // Base Rendering
         for (VertexData* vertexData : VertexData::getList()) {
             transparentData.addAll(vertexData->getTransparentData());
@@ -211,7 +214,7 @@ void BasePass::render() {
                             },
                         .rasterizationState =
                             {
-                            .cullMode = Gfx::SeCullModeFlags(twoSided ? Gfx::SE_CULL_MODE_NONE : Gfx::SE_CULL_MODE_BACK_BIT),
+                                .cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
                             },
                         .colorBlend =
                             {
@@ -240,21 +243,27 @@ void BasePass::render() {
                 commands.add(std::move(command));
             }
         }
+        graphics->endDebugRegion();
+    }
+    
     
     //commands.add(waterRenderer->render(viewParamsSet));
     //commands.add(terrainRenderer->render(viewParamsSet));
     
     // Skybox
     {
+        graphics->beginDebugRegion("Skybox");
         Gfx::ORenderCommand skyboxCommand = graphics->createRenderCommand("SkyboxRender");
         skyboxCommand->setViewport(viewport);
         skyboxCommand->bindPipeline(skyboxPipeline);
         skyboxCommand->bindDescriptor({viewParamsSet, skyboxDataSet, textureSet});
         skyboxCommand->draw(36, 1, 0, 0);
         graphics->executeCommands(std::move(skyboxCommand));
+        graphics->endDebugRegion();
     }
     // Transparent rendering
     {
+        graphics->beginDebugRegion("Transparent");
         permutation.setDepthCulling(false); // ignore visibility infos for transparency
         Map<float, VertexData::TransparentDraw> sortedDraws;
         for (const auto& t : transparentData) {
@@ -352,9 +361,11 @@ void BasePass::render() {
             }
         }
         commands.add(std::move(transparentCommand));
+        graphics->endDebugRegion();
     }
     // Debug vertices
     if (gDebugVertices.size() > 0) {
+        graphics->beginDebugRegion("Debug");
         Gfx::ORenderCommand debugCommand = graphics->createRenderCommand("DebugRender");
         debugCommand->setViewport(viewport);
         debugCommand->bindPipeline(debugPipeline);
@@ -362,6 +373,7 @@ void BasePass::render() {
         debugCommand->bindVertexBuffer({debugVertices});
         debugCommand->draw((uint32)gDebugVertices.size(), 1, 0, 0);
         commands.add(std::move(debugCommand));
+        graphics->endDebugRegion();
     }
 
     graphics->executeCommands(std::move(commands));
@@ -369,6 +381,7 @@ void BasePass::render() {
     query->endQuery();
     timestamps->write(Gfx::SE_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, "BaseEnd");
     gDebugVertices.clear();
+    graphics->endDebugRegion();
 }
 
 void BasePass::endFrame() {}

src/Engine/Graphics/RenderPass/BasePass.h

@@ -44,6 +44,7 @@ class BasePass : public RenderPass {
     // used for transparency sorting
     Vector cameraPos;
     Vector cameraForward;
+    Gfx::PDescriptorSet viewParamsSet;
 
     PCameraActor source;
     Gfx::OPipelineLayout basePassLayout;

src/Engine/Graphics/RenderPass/CMakeLists.txt

@@ -15,6 +15,8 @@ target_sources(Engine
         RenderGraphResources.cpp
         RenderPass.h
         RenderPass.cpp
+        ShadowPass.h
+        ShadowPass.cpp
         #TerrainRenderer.h
         #TerrainRenderer.cpp
         ToneMappingPass.h
@@ -38,6 +40,7 @@ target_sources(Engine
             RenderGraph.h
             RenderGraphResources.h
             RenderPass.h
+            ShadowPass.h
             #TerrainRenderer.h
             UIPass.h
             VisibilityPass.h)

src/Engine/Graphics/RenderPass/CachedDepthPass.cpp

@@ -1,6 +1,6 @@
 #include "CachedDepthPass.h"
-#include "Graphics/Shader.h"
 #include "Graphics/Pipeline.h"
+#include "Graphics/Shader.h"
 
 using namespace Seele;
 
@@ -41,9 +41,12 @@ CachedDepthPass::CachedDepthPass(Gfx::PGraphics graphics, PScene scene) : Render
 
 CachedDepthPass::~CachedDepthPass() {}
 
-void CachedDepthPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) { RenderPass::beginFrame(cam, transform); }
+void CachedDepthPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
+    viewParamsSet = createViewParamsSet(cam, transform);
+}
 
 void CachedDepthPass::render() {
+    graphics->beginDebugRegion("CachedDepth");
     query->beginQuery();
     timestamps->write(Gfx::SE_PIPELINE_STAGE_TOP_OF_PIPE_BIT, "CachedBegin");
     graphics->beginRenderPass(renderPass);
@@ -78,7 +81,7 @@ void CachedDepthPass::render() {
                 .pipelineLayout = collection->pipelineLayout,
                 .rasterizationState =
                     {
-                        .cullMode = Gfx::SE_CULL_MODE_NONE,
+                        .cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
                     },
                 .colorBlend =
                     {
@@ -95,7 +98,7 @@ void CachedDepthPass::render() {
                 .pipelineLayout = collection->pipelineLayout,
                 .rasterizationState =
                     {
-                        .cullMode = Gfx::SE_CULL_MODE_NONE,
+                        .cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
                     },
                 .colorBlend =
                     {
@@ -137,6 +140,7 @@ void CachedDepthPass::render() {
     graphics->endRenderPass();
     timestamps->write(Gfx::SE_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, "CachedEnd");
     query->endQuery();
+    graphics->endDebugRegion();
 }
 
 void CachedDepthPass::endFrame() {}

src/Engine/Graphics/RenderPass/CachedDepthPass.h

@@ -24,6 +24,7 @@ class CachedDepthPass : public RenderPass {
     Gfx::OPipelineStatisticsQuery query;
     Gfx::OTimestampQuery timestamps;
 
+    Gfx::PDescriptorSet viewParamsSet;
     Gfx::PShaderBuffer cullingBuffer;
     PScene scene;
 };

src/Engine/Graphics/RenderPass/DepthCullingPass.cpp

@@ -65,9 +65,14 @@ DepthCullingPass::DepthCullingPass(Gfx::PGraphics graphics, PScene scene) : Rend
 
 DepthCullingPass::~DepthCullingPass() {}
 
-void DepthCullingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) { RenderPass::beginFrame(cam, transform); }
+void DepthCullingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
+    viewParamsSet = createViewParamsSet(cam, transform);
+}
 
 void DepthCullingPass::render() {
+    graphics->beginDebugRegion("DepthCullingPass");
+    {
+        graphics->beginDebugRegion("MipGeneration");
         query->beginQuery();
         depthAttachment.getTexture()->changeLayout(Gfx::SE_IMAGE_LAYOUT_GENERAL, Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
                                                    Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT, Gfx::SE_ACCESS_SHADER_READ_BIT,
@@ -85,11 +90,10 @@ void DepthCullingPass::render() {
         Gfx::OComputeCommand computeCommand = graphics->createComputeCommand("MipGen");
         computeCommand->bindPipeline(depthSourceCopy);
         computeCommand->bindDescriptor({viewParamsSet, set});
-    computeCommand->dispatch((viewport->getWidth() + BLOCK_SIZE - 1) / BLOCK_SIZE, (viewport->getHeight() + BLOCK_SIZE - 1) / BLOCK_SIZE,
+        computeCommand->dispatch((viewport->getWidth() + BLOCK_SIZE - 1) / BLOCK_SIZE,
-                             1);
+                                 (viewport->getHeight() + BLOCK_SIZE - 1) / BLOCK_SIZE, 1);
         graphics->executeCommands(std::move(computeCommand));
-    for (uint32 i = 0; i < mipOffsets.size() - 1; ++i)
+        for (uint32 i = 0; i < mipOffsets.size() - 1; ++i) {
-    {
             depthMipBuffer->pipelineBarrier(Gfx::SE_ACCESS_SHADER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
                                             Gfx::SE_ACCESS_SHADER_READ_BIT | Gfx::SE_ACCESS_SHADER_WRITE_BIT,
                                             Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
@@ -117,9 +121,16 @@ void DepthCullingPass::render() {
             Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT);
 
         timestamps->write(Gfx::SE_PIPELINE_STAGE_TOP_OF_PIPE_BIT, "CullingBegin");
+        graphics->endDebugRegion();
+    }
+    {
+        graphics->beginDebugRegion("DepthCulling");
         graphics->beginRenderPass(renderPass);
         Array<Gfx::ORenderCommand> commands;
-
+        Gfx::PDescriptorSet set = depthAttachmentLayout->allocateDescriptorSet();
+        set->updateTexture(DEPTHTEXTURE_NAME, 0, depthAttachment.getTexture());
+        set->updateBuffer(DEPTHMIP_NAME, 0, depthMipBuffer);
+        set->writeChanges();
         Gfx::ShaderPermutation permutation = graphics->getShaderCompiler()->getTemplate("DepthPass");
         permutation.setPositionOnly(true);
         permutation.setDepthCulling(getGlobals().useDepthCulling);
@@ -146,7 +157,7 @@ void DepthCullingPass::render() {
                     .pipelineLayout = collection->pipelineLayout,
                     .rasterizationState =
                         {
-                        .cullMode = Gfx::SE_CULL_MODE_NONE,
+                            .cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
                         },
                     .colorBlend =
                         {
@@ -163,7 +174,7 @@ void DepthCullingPass::render() {
                     .pipelineLayout = collection->pipelineLayout,
                     .rasterizationState =
                         {
-                        .cullMode = Gfx::SE_CULL_MODE_NONE,
+                            .cullMode = Gfx::SE_CULL_MODE_BACK_BIT,
                         },
                     .colorBlend =
                         {
@@ -180,8 +191,8 @@ void DepthCullingPass::render() {
                 .samplerOffset = 0,
                 .floatOffset = 0,
             };
-        command->pushConstants(Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT, 0, sizeof(VertexData::DrawCallOffsets),
+            command->pushConstants(Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT, 0,
-                               &offsets);
+                                   sizeof(VertexData::DrawCallOffsets), &offsets);
             if (graphics->supportMeshShading()) {
                 command->drawMesh((uint32)vertexData->getNumInstances(), 1, 1);
             } else {
@@ -214,8 +225,11 @@ void DepthCullingPass::render() {
             Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT, Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
         // Sync visibility write with compute read
         visibilityAttachment.getTexture()->pipelineBarrier(Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
-                                                       Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, Gfx::SE_ACCESS_SHADER_READ_BIT,
+                                                           Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
-                                                       Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
+                                                           Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
+        graphics->endDebugRegion();
+    }
+    graphics->endDebugRegion();
 }
 
 void DepthCullingPass::endFrame() {}

src/Engine/Graphics/RenderPass/DepthCullingPass.h

@@ -44,6 +44,7 @@ class DepthCullingPass : public RenderPass {
     Gfx::PComputePipeline depthSourceCopy;
     Gfx::OComputeShader depthReduceLevelShader;
     Gfx::PComputePipeline depthReduceLevel;
+    Gfx::PDescriptorSet viewParamsSet;
 
     Gfx::PShaderBuffer cullingBuffer;
     PScene scene;

src/Engine/Graphics/RenderPass/LightCullingPass.cpp

@@ -15,7 +15,7 @@ LightCullingPass::LightCullingPass(Gfx::PGraphics graphics, PScene scene) : Rend
 LightCullingPass::~LightCullingPass() {}
 
 void LightCullingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
-    RenderPass::beginFrame(cam, transform);
+    viewParamsSet = createViewParamsSet(cam, transform);
 
     oLightIndexCounter->pipelineBarrier(Gfx::SE_ACCESS_MEMORY_WRITE_BIT | Gfx::SE_ACCESS_MEMORY_READ_BIT,
                                         Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT, Gfx::SE_ACCESS_MEMORY_WRITE_BIT,
@@ -38,6 +38,7 @@ void LightCullingPass::beginFrame(const Component::Camera& cam, const Component:
 }
 
 void LightCullingPass::render() {
+    graphics->beginDebugRegion("LightCulling");
     query->beginQuery();
     timestamps->write(Gfx::SE_PIPELINE_STAGE_TOP_OF_PIPE_BIT, "LightCullBegin");
     oLightGrid->pipelineBarrier(Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, Gfx::SE_ACCESS_SHADER_WRITE_BIT,
@@ -74,6 +75,7 @@ void LightCullingPass::render() {
                                 Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
     tLightGrid->pipelineBarrier(Gfx::SE_ACCESS_SHADER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT, Gfx::SE_ACCESS_SHADER_READ_BIT,
                                 Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
+    graphics->endDebugRegion();
 }
 
 void LightCullingPass::endFrame() {}
@@ -223,13 +225,14 @@ void LightCullingPass::createRenderPass() {
 }
 
 void LightCullingPass::setupFrustums() {
+    graphics->beginDebugRegion("SetupFrustums");
     uint32_t viewportWidth = viewport->getWidth();
     uint32_t viewportHeight = viewport->getHeight();
 
     numThreads = glm::ceil(glm::vec4(viewportWidth / (float)BLOCK_SIZE, viewportHeight / (float)BLOCK_SIZE, 1, 0));
     numThreadGroups = glm::ceil(glm::vec4(numThreads.x / (float)BLOCK_SIZE, numThreads.y / (float)BLOCK_SIZE, 1, 0));
 
-    RenderPass::beginFrame(Component::Camera(), Component::Transform());
+    viewParamsSet = createViewParamsSet(Component::Camera(), Component::Transform());
 
     dispatchParamsLayout = graphics->createDescriptorLayout("pDispatchParams");
     dispatchParamsLayout->addDescriptorBinding(Gfx::DescriptorBinding{
@@ -294,4 +297,5 @@ void LightCullingPass::setupFrustums() {
     graphics->executeCommands(std::move(commands));
     frustumBuffer->pipelineBarrier(Gfx::SE_ACCESS_SHADER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
                                    Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);    
+    graphics->endDebugRegion();
 }

src/Engine/Graphics/RenderPass/LightCullingPass.h

@@ -33,6 +33,7 @@ class LightCullingPass : public RenderPass {
     Gfx::OComputeShader frustumShader;
     Gfx::PComputePipeline frustumPipeline;
     Gfx::OPipelineLayout frustumLayout;
+    Gfx::PDescriptorSet viewParamsSet;
 
     PLightEnvironment lightEnv;
     Gfx::PTexture2D depthAttachment;

src/Engine/Graphics/RenderPass/RayTracingPass.cpp

@@ -67,7 +67,7 @@ RayTracingPass::RayTracingPass(Gfx::PGraphics graphics, PScene scene) : RenderPa
 static uint32 pass = 0;
 static Component::Transform lastCam;
 void RayTracingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
-    RenderPass::beginFrame(cam, transform);
+    viewParamsSet = createViewParamsSet(cam, transform);
     if (lastCam.getPosition() != transform.getPosition() || lastCam.getForward() != transform.getForward()) {
         lastCam = transform;
         pass = 0;
@@ -75,6 +75,7 @@ void RayTracingPass::beginFrame(const Component::Camera& cam, const Component::T
 }
 
 void RayTracingPass::render() {
+    graphics->beginDebugRegion("RayTracingPass");
     texture->changeLayout(Gfx::SE_IMAGE_LAYOUT_GENERAL, Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
                           Gfx::SE_ACCESS_SHADER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR);
     Array<Gfx::RayTracingHitGroup> callableGroups;
@@ -185,6 +186,7 @@ void RayTracingPass::render() {
     Array<Gfx::ORenderCommand> commands;
     commands.add(std::move(command));
     graphics->executeCommands(std::move(commands));
+    graphics->endDebugRegion();
 }
 
 void RayTracingPass::endFrame() {}

src/Engine/Graphics/RenderPass/RayTracingPass.h

@@ -32,6 +32,7 @@ class RayTracingPass : public RenderPass {
     Gfx::OAnyHitShader anyhit;
     Gfx::OMissShader miss;
     Gfx::PRayTracingPipeline pipeline;
+    Gfx::PDescriptorSet viewParamsSet;
     PScene scene;
 };
 } // namespace Seele

src/Engine/Graphics/RenderPass/RenderPass.cpp

@@ -23,10 +23,17 @@ RenderPass::RenderPass(Gfx::PGraphics graphics) : graphics(graphics) {
 
 RenderPass::~RenderPass() {}
 
-void RenderPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
+void RenderPass::setResources(PRenderGraphResources _resources) { resources = _resources; }
+
+void RenderPass::setViewport(Gfx::PViewport _viewport) { viewport = _viewport; }
+
+Gfx::PDescriptorSet RenderPass::createViewParamsSet(const Component::Camera& cam, const Component::Transform& transform)
+{
     auto screenDim = Vector2(static_cast<float>(viewport->getWidth()), static_cast<float>(viewport->getHeight()));
-    Matrix4 cameraMatrix = cam.viewMatrix;
+    Vector eyePos = transform.getPosition();
-    Matrix4 projectionMatrix = viewport->getProjectionMatrix();
+    Vector lookAt = eyePos + transform.getForward();
+    Matrix4 cameraMatrix = glm::lookAt(eyePos, lookAt, Vector(0, 1, 0));
+    Matrix4 projectionMatrix = viewport->getProjectionMatrix(cam.nearPlane, cam.farPlane);
     viewParams = {
         .viewMatrix = cameraMatrix,
         .inverseViewMatrix = glm::inverse(cameraMatrix),
@@ -60,10 +67,10 @@ void RenderPass::beginFrame(const Component::Camera& cam, const Component::Trans
         corners[i] = world / world.w;
     }
 
-    //extract_planes_from_view_projection_matrix(viewParams.viewProjectionMatrix, viewParams.viewFrustum);
+    // extract_planes_from_view_projection_matrix(viewParams.viewProjectionMatrix, viewParams.viewFrustum);
 
     viewParamsLayout->reset();
-    viewParamsSet = viewParamsLayout->allocateDescriptorSet();
+    Gfx::PDescriptorSet viewParamsSet = viewParamsLayout->allocateDescriptorSet();
     viewParamsSet->updateConstants("viewMatrix", 0, &viewParams.viewMatrix);
     viewParamsSet->updateConstants("inverseViewMatrix", 0, &viewParams.inverseViewMatrix);
     viewParamsSet->updateConstants("projectionMatrix", 0, &viewParams.projectionMatrix);
@@ -79,12 +86,9 @@ void RenderPass::beginFrame(const Component::Camera& cam, const Component::Trans
     viewParamsSet->updateConstants("pad0", 0, &viewParams.pad0);
     viewParamsSet->updateConstants("pad1", 0, &viewParams.pad1);
     viewParamsSet->writeChanges();
+    return viewParamsSet;
 }
 
-void RenderPass::setResources(PRenderGraphResources _resources) { resources = _resources; }
-
-void RenderPass::setViewport(Gfx::PViewport _viewport) { viewport = _viewport; }
-
 void RenderPass::normalize_plane(Plane& plane) {
     float l = sqrtf(plane.n.x * plane.n.x + plane.n.y * plane.n.y + plane.n.z * plane.n.z);
     plane.n.x /= l;

src/Engine/Graphics/RenderPass/RenderPass.h

@@ -18,7 +18,7 @@ class RenderPass {
     RenderPass(RenderPass&&) = default;
     RenderPass& operator=(RenderPass&&) = default;
     virtual ~RenderPass();
-    virtual void beginFrame(const Component::Camera& cam, const Component::Transform& transform);
+    virtual void beginFrame(const Component::Camera& cam, const Component::Transform& transform) = 0;
     virtual void render() = 0;
     virtual void endFrame() = 0;
     virtual void publishOutputs() = 0;
@@ -27,6 +27,7 @@ class RenderPass {
     void setViewport(Gfx::PViewport _viewport);
 
   protected:
+    Gfx::PDescriptorSet createViewParamsSet(const Component::Camera& cam, const Component::Transform& transform);
     struct Plane {
         Vector n;
         float d;
@@ -67,7 +68,6 @@ class RenderPass {
     } viewParams;
     PRenderGraphResources resources;
     Gfx::ODescriptorLayout viewParamsLayout;
-    Gfx::PDescriptorSet viewParamsSet;
     Gfx::ORenderPass renderPass;
     Gfx::PGraphics graphics;
     Gfx::PViewport viewport;

src/Engine/Graphics/RenderPass/ShadowPass.cpp

@@ -0,0 +1,202 @@
+#include "ShadowPass.h"
+#include "Graphics/Graphics.h"
+#include "Graphics/Shader.h"
+
+using namespace Seele;
+
+ShadowPass::ShadowPass(Gfx::PGraphics graphics, PScene scene) : RenderPass(graphics), scene(scene) {
+    shadowLayout = graphics->createPipelineLayout("ShadowLayout");
+    shadowLayout->addDescriptorLayout(viewParamsLayout);
+    shadowLayout->addPushConstants(Gfx::SePushConstantRange{
+        .stageFlags = Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT,
+        .offset = 0,
+        .size = sizeof(VertexData::DrawCallOffsets),
+    });
+    if (graphics->supportMeshShading()) {
+        graphics->getShaderCompiler()->registerRenderPass("ShadowPass", Gfx::PassConfig{
+                                                                            .baseLayout = shadowLayout,
+                                                                            .taskFile = "DrawListTask",
+                                                                            .mainFile = "DrawListMesh",
+                                                                            .hasFragmentShader = false,
+                                                                            .useMeshShading = true,
+                                                                            .hasTaskShader = true,
+                                                                            .useMaterial = false,
+                                                                            .useVisibility = false,
+                                                                        });
+    } else {
+        graphics->getShaderCompiler()->registerRenderPass("ShadowPass", Gfx::PassConfig{
+                                                                            .baseLayout = shadowLayout,
+                                                                            .taskFile = "",
+                                                                            .mainFile = "LegacyPass",
+                                                                            .hasFragmentShader = false,
+                                                                            .useMeshShading = false,
+                                                                            .hasTaskShader = false,
+                                                                            .useMaterial = false,
+                                                                            .useVisibility = false,
+                                                                        });
+    }
+}
+
+ShadowPass::~ShadowPass() {}
+
+void ShadowPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {}
+
+void ShadowPass::render() {
+    graphics->beginDebugRegion("ShadowPass");
+    Gfx::ShaderPermutation permutation = graphics->getShaderCompiler()->getTemplate("ShadowPass");
+    permutation.setDepthCulling(true);
+    permutation.setPositionOnly(true);
+    const auto& shadowMaps = scene->getLightEnvironment()->getShadowMaps();
+    for (uint32 shadowIndex = 0; shadowIndex < scene->getLightEnvironment()->getNumDirectionalLights(); ++shadowIndex) {
+        Array<Gfx::ORenderCommand> commands;
+        renderPass = graphics->createRenderPass(
+            Gfx::RenderTargetLayout{
+                .depthAttachment = Gfx::RenderTargetAttachment(shadowMaps[shadowIndex], Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
+                                                               Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
+                                                               Gfx::SE_ATTACHMENT_LOAD_OP_CLEAR, Gfx::SE_ATTACHMENT_STORE_OP_STORE),
+
+            },
+            {
+                Gfx::SubPassDependency{
+                    .srcSubpass = ~0U,
+                    .dstSubpass = 0,
+                    .srcStage = Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
+                    .dstStage = Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
+                    .srcAccess = Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
+                    .dstAccess = Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
+                },
+                Gfx::SubPassDependency{
+                    .srcSubpass = 0,
+                    .dstSubpass = ~0U,
+                    .srcStage = Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
+                    .dstStage = Gfx::SE_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | Gfx::SE_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
+                    .srcAccess = Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
+                    .dstAccess = Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | Gfx::SE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
+                },
+            },
+            {
+                .size = {shadowMaps[shadowIndex]->getWidth(), shadowMaps[shadowIndex]->getHeight()},
+                .offset = {0, 0},
+            },
+            "Shadow");
+        graphics->beginRenderPass(renderPass);
+        auto light = scene->getLightEnvironment()->getDirectionalLight(shadowIndex);
+        Vector lightDirection = Vector(light.direction);
+        Vector lightPosition = -light.direction * 100.0f;
+        float dot = glm::dot(lightDirection, Math::Transform::FORWARD);
+        Quaternion rotation = Quaternion(1, 0, 0, 0);
+        // Handle the edge cases first
+        if (glm::epsilonEqual(dot, 1.0f, 0.00001f)) {
+            // Vectors are the same, no rotation
+        } else if (glm::epsilonEqual(dot, -1.0f, 0.00001f)) {
+            // Vectors are opposite need 180-degree rotation around any perpendicular axis
+            rotation = glm::angleAxis(glm::pi<float>(), Vector(0, 1, 0));
+        } else {
+            // Normal case
+            Vector axis = glm::normalize(glm::cross(lightDirection, Math::Transform::FORWARD));
+            float angle = std::acos(dot); // angle between vectors
+            rotation = glm::angleAxis(angle, axis);
+        }
+        Component::Transform lightTransform = Component::Transform{
+            .transform = Math::Transform(lightPosition, rotation),
+        };
+
+        Component::Camera lightCamera = Component::Camera{
+            .nearPlane = -1000.f,
+            .farPlane = 1000.0f,
+        };
+        Gfx::PDescriptorSet viewParamsSet = createViewParamsSet(lightCamera, lightTransform);
+        for (VertexData* vertexData : VertexData::getList()) {
+            permutation.setVertexData(vertexData->getTypeName());
+            Gfx::PermutationId id(permutation);
+
+            Gfx::ORenderCommand command = graphics->createRenderCommand("ShadowRender");
+            command->setViewport(shadowViewport);
+
+            const Gfx::ShaderCollection* collection = graphics->getShaderCompiler()->findShaders(id);
+            if (graphics->supportMeshShading()) {
+                Gfx::MeshPipelineCreateInfo pipelineInfo = {
+                    .taskShader = collection->taskShader,
+                    .meshShader = collection->meshShader,
+                    .fragmentShader = collection->fragmentShader,
+                    .renderPass = renderPass,
+                    .pipelineLayout = collection->pipelineLayout,
+                    .rasterizationState =
+                        {
+                            .cullMode = Gfx::SE_CULL_MODE_NONE,
+                        },
+                    .colorBlend =
+                        {
+                            .attachmentCount = 1,
+                        },
+                };
+                Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
+                command->bindPipeline(pipeline);
+            } else {
+                Gfx::LegacyPipelineCreateInfo pipelineInfo = {
+                    .vertexShader = collection->vertexShader,
+                    .fragmentShader = collection->fragmentShader,
+                    .renderPass = renderPass,
+                    .pipelineLayout = collection->pipelineLayout,
+                    .rasterizationState =
+                        {
+                            .cullMode = Gfx::SE_CULL_MODE_NONE,
+                        },
+                    .colorBlend =
+                        {
+                            .attachmentCount = 1,
+                        },
+                };
+                Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
+                command->bindPipeline(pipeline);
+            }
+            command->bindDescriptor({viewParamsSet, vertexData->getVertexDataSet(), vertexData->getInstanceDataSet()});
+            VertexData::DrawCallOffsets offsets = {
+                .instanceOffset = 0,
+            };
+            command->pushConstants(Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT, 0,
+                                   sizeof(VertexData::DrawCallOffsets), &offsets);
+            if (graphics->supportMeshShading()) {
+                command->drawMesh((uint32)vertexData->getNumInstances(), 1, 1);
+            } else {
+                const auto& materials = vertexData->getMaterialData();
+                for (const auto& materialData : materials) {
+                    // material not used for any active meshes, skip
+                    if (materialData.instances.size() == 0)
+                        continue;
+                    for (const auto& drawCall : materialData.instances) {
+                        command->bindIndexBuffer(vertexData->getIndexBuffer());
+                        uint32 inst = drawCall.offsets.instanceOffset;
+                        for (const auto& meshData : drawCall.instanceMeshData) {
+                            // all meshlets of a mesh share the same indices offset
+                            command->drawIndexed(meshData.indicesRange.size, 1, meshData.indicesRange.offset,
+                                                 vertexData->getIndicesOffset(meshData.meshletRange.offset), inst++);
+                        }
+                    }
+                }
+            }
+            commands.add(std::move(command));
+        }
+        graphics->executeCommands(std::move(commands));
+        graphics->endRenderPass();
+    }
+    graphics->endDebugRegion();
+}
+
+void ShadowPass::endFrame() {}
+
+void ShadowPass::publishOutputs() {
+    shadowViewport = graphics->createViewport(nullptr, ViewportCreateInfo{.dimensions =
+                                                                              {
+                                                                                  .size = {2048, 2048},
+                                                                                  .offset = {0, 0},
+                                                                              },
+                                                                          .fieldOfView = 0,
+                                                                          .left = -10,
+                                                                          .right = 10,
+                                                                          .top = -10,
+                                                                          .bottom = 10});
+    viewport = shadowViewport;
+}
+
+void ShadowPass::createRenderPass() { cullingBuffer = resources->requestBuffer("CULLINGBUFFER"); }

src/Engine/Graphics/RenderPass/ShadowPass.h

@@ -0,0 +1,24 @@
+#pragma once
+#include "RenderPass.h"
+
+namespace Seele {
+class ShadowPass : public RenderPass {
+  public:
+    ShadowPass(Gfx::PGraphics graphics, PScene scene);
+    ShadowPass(ShadowPass&& other) = default;
+    ShadowPass& operator=(ShadowPass&& other) = default;
+    virtual ~ShadowPass();
+    virtual void beginFrame(const Component::Camera& cam, const Component::Transform& transform) override;
+    virtual void render() override;
+    virtual void endFrame() override;
+    virtual void publishOutputs() override;
+    virtual void createRenderPass() override;
+  private:
+    AABB cameraFrustumBox;
+    Gfx::OPipelineLayout shadowLayout;
+    Gfx::PShaderBuffer cullingBuffer;
+    Gfx::OViewport shadowViewport;
+    PScene scene;
+};
+DEFINE_REF(ShadowPass)
+} // namespace Seele

src/Engine/Graphics/RenderPass/ToneMappingPass.cpp

@@ -123,9 +123,12 @@ ToneMappingPass::ToneMappingPass(Gfx::PGraphics graphics) : RenderPass(graphics)
 
 ToneMappingPass::~ToneMappingPass() {}
 
-void ToneMappingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) { RenderPass::beginFrame(cam, transform); }
+void ToneMappingPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
+    viewParamsSet = createViewParamsSet(cam, transform);
+}
 
 void ToneMappingPass::render() {
+    graphics->beginDebugRegion("ToneMapping");
     hdrInputTexture.getTexture()->changeLayout(Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
                                                Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, Gfx::SE_ACCESS_SHADER_READ_BIT,
                                                Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
@@ -181,6 +184,7 @@ void ToneMappingPass::render() {
     command->draw(3, 1, 0, 0);
     graphics->executeCommands(std::move(command));
     graphics->endRenderPass();
+    graphics->endDebugRegion();
 }
 
 void ToneMappingPass::endFrame() {}

src/Engine/Graphics/RenderPass/ToneMappingPass.h

@@ -47,5 +47,7 @@ class ToneMappingPass : public RenderPass {
     Gfx::OVertexShader vert;
     Gfx::OFragmentShader frag;
     Gfx::PGraphicsPipeline pipeline;
+
+    Gfx::PDescriptorSet viewParamsSet;
 };
 }

src/Engine/Graphics/RenderPass/UIPass.cpp

@@ -54,7 +54,7 @@ UIPass::UIPass(Gfx::PGraphics graphics, UI::PSystem system) : RenderPass(graphic
 UIPass::~UIPass() {}
 
 void UIPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
-    RenderPass::beginFrame(cam, transform);
+    viewParamsSet = createViewParamsSet(cam, transform);
     glyphs.clear();
     usedTextures.clear();
     elements.clear();

src/Engine/Graphics/RenderPass/UIPass.h

@@ -62,6 +62,8 @@ class UIPass : public RenderPass {
     Gfx::ODescriptorLayout uiDescriptorLayout;
     Gfx::PDescriptorSet uiDescriptorSet;
 
+    Gfx::PDescriptorSet viewParamsSet;
+
     Gfx::OVertexShader uiVertexShader;
     Gfx::OFragmentShader uiFragmentShader;
     Gfx::OPipelineLayout uiPipelineLayout;

src/Engine/Graphics/RenderPass/VisibilityPass.cpp

@@ -8,11 +8,12 @@ VisibilityPass::VisibilityPass(Gfx::PGraphics graphics) : RenderPass(graphics) {
 VisibilityPass::~VisibilityPass() {}
 
 void VisibilityPass::beginFrame(const Component::Camera& cam, const Component::Transform& transform) {
-    RenderPass::beginFrame(cam, transform);
+    viewParamsSet = createViewParamsSet(cam, transform);
     cullingBuffer->rotateBuffer(VertexData::getMeshletCount() * sizeof(VertexData::MeshletCullingInfo), true);
 }
 
 void VisibilityPass::render() {
+    graphics->beginDebugRegion("VisibilityPass");
     cullingBuffer->pipelineBarrier(Gfx::SE_ACCESS_SHADER_READ_BIT, Gfx::SE_PIPELINE_STAGE_MESH_SHADER_BIT_EXT,
                                    Gfx::SE_ACCESS_TRANSFER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_TRANSFER_BIT);
     cullingBuffer->clear();
@@ -40,6 +41,7 @@ void VisibilityPass::render() {
     cullingBuffer->pipelineBarrier(Gfx::SE_ACCESS_SHADER_WRITE_BIT, Gfx::SE_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
                                    Gfx::SE_ACCESS_SHADER_READ_BIT,
                                    Gfx::SE_PIPELINE_STAGE_TASK_SHADER_BIT_EXT | Gfx::SE_PIPELINE_STAGE_MESH_SHADER_BIT_EXT);
+    graphics->endDebugRegion();
 }
 
 void VisibilityPass::endFrame() {}

src/Engine/Graphics/RenderPass/VisibilityPass.h

@@ -26,6 +26,7 @@ class VisibilityPass : public RenderPass {
     Gfx::PComputePipeline visibilityPipeline;
     Gfx::OPipelineStatisticsQuery query;
     Gfx::PTimestampQuery timestamps;
+    Gfx::PDescriptorSet viewParamsSet;
 
     constexpr static const char* VISIBILITY_NAME = "visibilityTexture";
     // Holds culling information for every meshlet for each instance

src/Engine/Graphics/RenderTarget.cpp

@@ -6,19 +6,20 @@ using namespace Seele::Gfx;
 RenderTargetAttachment::RenderTargetAttachment(PTexture2D texture, SeImageLayout initialLayout, SeImageLayout finalLayout,
                                                SeAttachmentLoadOp loadOp, SeAttachmentStoreOp storeOp, SeAttachmentLoadOp stencilLoadOp,
                                                SeAttachmentStoreOp stencilStoreOp)
-    : clear(), componentFlags(0), texture(texture), initialLayout(initialLayout), finalLayout(finalLayout), loadOp(loadOp),
+    : componentFlags(0), texture(texture), initialLayout(initialLayout), finalLayout(finalLayout),
+      loadOp(loadOp),
       storeOp(storeOp), stencilLoadOp(stencilLoadOp), stencilStoreOp(stencilStoreOp) {}
 
 RenderTargetAttachment::RenderTargetAttachment(PTextureCube texture, SeImageLayout initialLayout, SeImageLayout finalLayout,
                                                SeAttachmentLoadOp loadOp, SeAttachmentStoreOp storeOp, SeAttachmentLoadOp stencilLoadOp,
                                                SeAttachmentStoreOp stencilStoreOp)
-    : clear(), componentFlags(0), texture(texture), initialLayout(initialLayout), finalLayout(finalLayout), loadOp(loadOp),
+    : componentFlags(0), texture(texture), initialLayout(initialLayout), finalLayout(finalLayout), loadOp(loadOp),
       storeOp(storeOp), stencilLoadOp(stencilLoadOp), stencilStoreOp(stencilStoreOp) {}
 
 RenderTargetAttachment::RenderTargetAttachment(PViewport viewport, SeImageLayout initialLayout, SeImageLayout finalLayout,
                                                SeAttachmentLoadOp loadOp, SeAttachmentStoreOp storeOp, SeAttachmentLoadOp stencilLoadOp,
                                                SeAttachmentStoreOp stencilStoreOp)
-    : clear(), componentFlags(0), viewport(viewport), initialLayout(initialLayout), finalLayout(finalLayout), loadOp(loadOp),
+    : componentFlags(0), viewport(viewport), initialLayout(initialLayout), finalLayout(finalLayout), loadOp(loadOp),
       storeOp(storeOp), stencilLoadOp(stencilLoadOp), stencilStoreOp(stencilStoreOp) {}
 
 RenderTargetAttachment::~RenderTargetAttachment() {}

src/Engine/Graphics/Texture.h

@@ -12,7 +12,6 @@ class Texture : public QueueOwnedResource {
     virtual uint32 getWidth() const = 0;
     virtual uint32 getHeight() const = 0;
     virtual uint32 getDepth() const = 0;
-    virtual uint32 getNumFaces() const { return 1; }
     virtual SeSampleCountFlags getNumSamples() const = 0;
     virtual uint32 getMipLevels() const = 0;
     virtual void changeLayout(SeImageLayout newLayout, SeAccessFlags srcAccess, SePipelineStageFlags srcStage, SeAccessFlags dstAccess,
@@ -36,6 +35,7 @@ class Texture2D : public Texture {
     virtual uint32 getWidth() const = 0;
     virtual uint32 getHeight() const = 0;
     virtual uint32 getDepth() const = 0;
+    virtual uint32 getNumLayers() const = 0; 
     virtual SeSampleCountFlags getNumSamples() const = 0;
     virtual uint32 getMipLevels() const = 0;
     virtual void changeLayout(SeImageLayout newLayout, SeAccessFlags srcAccess, SePipelineStageFlags srcStage, SeAccessFlags dstAccess,
@@ -59,6 +59,7 @@ class Texture3D : public Texture {
     virtual uint32 getWidth() const = 0;
     virtual uint32 getHeight() const = 0;
     virtual uint32 getDepth() const = 0;
+    virtual uint32 getNumLayers() const = 0;
     virtual SeSampleCountFlags getNumSamples() const = 0;
     virtual uint32 getMipLevels() const = 0;
     virtual void changeLayout(SeImageLayout newLayout, SeAccessFlags srcAccess, SePipelineStageFlags srcStage, SeAccessFlags dstAccess,
@@ -82,7 +83,7 @@ class TextureCube : public Texture {
     virtual uint32 getWidth() const = 0;
     virtual uint32 getHeight() const = 0;
     virtual uint32 getDepth() const = 0;
-    virtual uint32 getNumFaces() const { return 6; }
+    virtual uint32 getNumLayers() const = 0;
     virtual SeSampleCountFlags getNumSamples() const = 0;
     virtual uint32 getMipLevels() const = 0;
     virtual void changeLayout(SeImageLayout newLayout, SeAccessFlags srcAccess, SePipelineStageFlags srcStage, SeAccessFlags dstAccess,

src/Engine/Graphics/Vulkan/RenderPass.cpp

@@ -9,9 +9,9 @@
 using namespace Seele;
 using namespace Seele::Vulkan;
 
-RenderPass::RenderPass(PGraphics graphics, Gfx::RenderTargetLayout _layout, Array<Gfx::SubPassDependency> _dependencies,
+RenderPass::RenderPass(PGraphics graphics, Gfx::RenderTargetLayout _layout, Array<Gfx::SubPassDependency> _dependencies, std::string name,
-                       std::string name, Array<uint32> viewMasks, Array<uint32> correlationMasks)
+                       Array<uint32> viewMasks, Array<uint32> correlationMasks)
-    : Gfx::RenderPass(std::move(_layout), std::move(_dependencies)), graphics(graphics) {
+    : Gfx::RenderPass(std::move(_layout), std::move(_dependencies)), name(name), graphics(graphics) {
     subpassContents = VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS;
     Array<VkAttachmentDescription2> attachments;
     Array<VkAttachmentReference2> inputRefs;

src/Engine/Graphics/Vulkan/RenderPass.h

@@ -15,8 +15,10 @@ class RenderPass : public Gfx::RenderPass {
     constexpr size_t getClearValueCount() const { return clearValues.size(); }
     constexpr VkClearValue* getClearValues() const { return clearValues.data(); }
     constexpr VkSubpassContents getSubpassContents() const { return subpassContents; }
+    constexpr const std::string& getName() const { return name; }
 
   private:
+    std::string name;
     PGraphics graphics;
     VkRenderPass renderPass;
     Array<VkClearValue> clearValues;

src/Engine/Graphics/Vulkan/Texture.h

@@ -83,6 +83,7 @@ class Texture2D : public Gfx::Texture2D, public TextureBase {
     virtual uint32 getWidth() const override { return handle->width; }
     virtual uint32 getHeight() const override { return handle->height; }
     virtual uint32 getDepth() const override { return handle->depth; }
+    virtual uint32 getNumLayers() const override { return handle->layerCount; }
     virtual Gfx::SeFormat getFormat() const override { return handle->format; }
     virtual Gfx::SeSampleCountFlags getNumSamples() const override { return handle->samples; }
     virtual uint32 getMipLevels() const override { return handle->mipLevels; }
@@ -106,6 +107,7 @@ class Texture3D : public Gfx::Texture3D, public TextureBase {
     virtual uint32 getWidth() const override { return handle->width; }
     virtual uint32 getHeight() const override { return handle->height; }
     virtual uint32 getDepth() const override { return handle->depth; }
+    virtual uint32 getNumLayers() const override { return handle->layerCount; }
     virtual Gfx::SeFormat getFormat() const override { return handle->format; }
     virtual Gfx::SeSampleCountFlags getNumSamples() const override { return handle->samples; }
     virtual uint32 getMipLevels() const override { return handle->mipLevels; }
@@ -129,6 +131,7 @@ class TextureCube : public Gfx::TextureCube, public TextureBase {
     virtual uint32 getWidth() const override { return handle->width; }
     virtual uint32 getHeight() const override { return handle->height; }
     virtual uint32 getDepth() const override { return handle->depth; }
+    virtual uint32 getNumLayers() const override { return handle->layerCount; }
     virtual Gfx::SeFormat getFormat() const override { return handle->format; }
     virtual Gfx::SeSampleCountFlags getNumSamples() const override { return handle->samples; }
     virtual uint32 getMipLevels() const override { return handle->mipLevels; }

src/Engine/Graphics/Window.cpp

@@ -9,7 +9,9 @@ Window::~Window() {}
 
 Viewport::Viewport(PWindow owner, const ViewportCreateInfo& viewportInfo)
     : sizeX(viewportInfo.dimensions.size.x), sizeY(viewportInfo.dimensions.size.y), offsetX(viewportInfo.dimensions.offset.x),
-      offsetY(viewportInfo.dimensions.offset.y), fieldOfView(viewportInfo.fieldOfView), owner(owner) {
+      offsetY(viewportInfo.dimensions.offset.y), fieldOfView(viewportInfo.fieldOfView), orthoLeft(viewportInfo.left),
+      orthoRight(viewportInfo.right), orthoTop(viewportInfo.top), orthoBottom(viewportInfo.bottom),
+      owner(owner) {
     if (owner != nullptr) {
         sizeX = std::min(owner->getFramebufferWidth(), sizeX);
         sizeY = std::min(owner->getFramebufferHeight(), sizeY);
@@ -18,16 +20,12 @@ Viewport::Viewport(PWindow owner, const ViewportCreateInfo& viewportInfo)
 
 Viewport::~Viewport() {}
 
-Matrix4 Viewport::getProjectionMatrix() const {
+Matrix4 Viewport::getProjectionMatrix(float nearPlane, float farPlane) const {
     if (fieldOfView > 0.0f) {
-        Matrix4 projectionMatrix = glm::perspective(fieldOfView, sizeX / static_cast<float>(sizeY), 0.1f, 1000.0f);
+        Matrix4 projectionMatrix = glm::perspective(fieldOfView, sizeX / static_cast<float>(sizeY), nearPlane, farPlane);
-        Matrix4 correctionMatrix = Matrix4(
+        Matrix4 correctionMatrix = Matrix4(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1 / 2.f, 0, 0, 0, 1 / 2.f, 1);
-            1, 0, 0, 0,
-            0, -1, 0, 0,
-            0, 0, 1 / 2.f, 0, 
-            0, 0, 1 / 2.f, 1);
         return correctionMatrix * projectionMatrix;
     } else {
-        return glm::ortho(0.0f, (float)sizeX, (float)sizeY, 0.0f);
+        return glm::ortho(orthoLeft, orthoRight, orthoTop, orthoBottom, nearPlane, farPlane);
     }
 }

src/Engine/Graphics/Window.h

@@ -52,7 +52,7 @@ class Viewport {
     constexpr uint32 getOffsetY() const { return offsetY; }
     constexpr float getContentScaleX() const { return owner->getContentScaleX(); }
     constexpr float getContentScaleY() const { return owner->getContentScaleY(); }
-    Matrix4 getProjectionMatrix() const;
+    Matrix4 getProjectionMatrix(float nearPlane, float farPlane) const;
     URect getRenderArea() const {
         return URect{
             .size = {sizeX, sizeY},
@@ -66,6 +66,10 @@ class Viewport {
     uint32 offsetX;
     uint32 offsetY;
     float fieldOfView;
+    float orthoLeft;
+    float orthoRight;
+    float orthoTop;
+    float orthoBottom;
     PWindow owner;
 };
 DEFINE_REF(Viewport)

src/Engine/Math/Transform.h

@@ -30,6 +30,10 @@ class Transform {
     Vector getRight() const;
     Vector getUp() const;
 
+    constexpr static Vector FORWARD = Vector(0, 0, 1);
+    constexpr static Vector RIGHT = Vector(-1, 0, 0);
+    constexpr static Vector UP = Vector(0, 1, 0);
+
     bool equals(const Transform& other, float tolerance = 0.000000001f);
     static void multiply(Transform* outTransform, const Transform* a, const Transform* b);
     static void add(Transform* outTransform, const Transform* a, const Transform* b);

src/Engine/Scene/LightEnvironment.cpp

@@ -1,7 +1,7 @@
 #include "LightEnvironment.h"
+#include "Asset/AssetRegistry.h"
 #include "Asset/EnvironmentMapAsset.h"
 #include "Graphics/Graphics.h"
-#include "Asset/AssetRegistry.h"
 
 using namespace Seele;
 
@@ -84,6 +84,17 @@ void LightEnvironment::commit() {
     set->updateTexture("irradianceMap", 0, environment->getIrradianceMap());
     set->updateSampler("irradianceSampler", 0, environmentSampler);
     set->writeChanges();
+
+    while (shadowMapArray.size() < dirs.size()) {
+        shadowMapArray.add(graphics->createTexture2D(TextureCreateInfo{
+            .format = Gfx::SE_FORMAT_D32_SFLOAT,
+            .width = 2048,
+            .height = 2048,
+            .elements = (uint32)dirs.size(),
+            .usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | Gfx::SE_IMAGE_USAGE_SAMPLED_BIT,
+            .name = "ShadowMap",
+        }));
+    }
 }
 
 const Gfx::PDescriptorLayout LightEnvironment::getDescriptorLayout() const { return layout; }

src/Engine/Scene/LightEnvironment.h

@@ -15,11 +15,15 @@ class LightEnvironment {
     void addPointLight(Component::PointLight pointLight);
     void commit();
     const Gfx::PDescriptorLayout getDescriptorLayout() const;
+    const Component::DirectionalLight& getDirectionalLight(uint32 lightIndex) const { return dirs[lightIndex]; }
     Gfx::PDescriptorSet getDescriptorSet();
     PEnvironmentMapAsset getEnvironmentMap() { return environment; }
+    uint64 getNumDirectionalLights() const { return dirs.size(); }
+    const Array<Gfx::OTexture2D>& getShadowMaps() const { return shadowMapArray; }
 
   private:
     Gfx::OShaderBuffer directionalLights;
+    Array<Gfx::OTexture2D> shadowMapArray;
     Gfx::OShaderBuffer pointLights;
     Array<Component::DirectionalLight> dirs;
     Array<Component::PointLight> points;

src/Engine/System/CameraUpdater.cpp

@@ -10,5 +10,4 @@ CameraUpdater::~CameraUpdater() {}
 void CameraUpdater::update(Component::Camera& camera, Component::Transform& transform) {
     Vector eyePos = transform.getPosition();
     Vector lookAt = eyePos + transform.getForward();
-    camera.viewMatrix = glm::lookAt(eyePos, lookAt, Vector(0, 1, 0));
 }

src/Engine/Window/GameView.cpp

@@ -12,6 +12,7 @@
 #include "Graphics/RenderPass/RenderGraphResources.h"
 #include "Graphics/RenderPass/ToneMappingPass.h"
 #include "Graphics/RenderPass/VisibilityPass.h"
+#include "Graphics/RenderPass/ShadowPass.h"
 #include "System/CameraUpdater.h"
 #include "System/LightGather.h"
 #include "System/MeshUpdater.h"
@@ -26,6 +27,7 @@ GameView::GameView(Gfx::PGraphics graphics, PWindow window, const ViewportCreate
     renderGraph.addPass(new DepthCullingPass(graphics, scene));
     renderGraph.addPass(new VisibilityPass(graphics));
     renderGraph.addPass(new LightCullingPass(graphics, scene));
+    renderGraph.addPass(new ShadowPass(graphics, scene));
     renderGraph.addPass(new BasePass(graphics, scene));
     renderGraph.addPass(new ToneMappingPass(graphics));
     renderGraph.setViewport(viewport);