Changes to shadowpass

res/shaders/BasePass.slang

@@ -46,12 +46,12 @@ float4 fragmentMain(in FragmentParameter params) : SV_Target
     {
         uint cascadeIndex = 0;
         for (uint c = 0; c < NUM_CASCADES - 1; ++c) {
-            if (params.position_VS.z < pShadowMapping.cascadeSplits[c]) {
+            if (params.position_VS.z > pShadowMapping.cascadeSplits[c]) {
                 cascadeIndex = c + 1;
             }
         }
         float4 lightSpacePos = mul(pShadowMapping.lightSpaceMatrices[cascadeIndex][i], float4(params.position_WS, 1));
-        lightSpacePos = mul(biasMat, lightSpacePos);
+        lightSpacePos = float4(lightSpacePos.xy * 0.5 + 0.5, lightSpacePos.zw);
         float4 shadowCoord = lightSpacePos;
         int3 texDim;
         pShadowMapping.shadowMaps[cascadeIndex].GetDimensions(texDim.x, texDim.y, texDim.z);
@@ -62,12 +62,12 @@ float4 fragmentMain(in FragmentParameter params) : SV_Target
         float shadowFactor = 0.0f;
         int count = 0;
         int range = 1;
-        for (int x = -range; x <= range; ++x) {
-            for (int y = -range; y <= range; ++y) {
+        //for (int x = -range; x <= range; ++x) {
+        //    for (int y = -range; y <= range; ++y) {
                 float shadow = 1.0f;
                 if (shadowCoord.z > 0.0 && shadowCoord.z < 1.0)
                 {
-                    float dist = pShadowMapping.shadowMaps[cascadeIndex].Sample(pShadowMapping.shadowSampler, float3(shadowCoord.xy + float2(dx * x, dy * y), i)).r;
+                    float dist = pShadowMapping.shadowMaps[cascadeIndex].Sample(pShadowMapping.shadowSampler, float3(shadowCoord.xy, i)).r;
                     if (shadowCoord.w > 0 && dist < shadowCoord.z)
                     {
                         shadow = 0;
@@ -75,8 +75,8 @@ float4 fragmentMain(in FragmentParameter params) : SV_Target
                 }
                 shadowFactor += shadow;
                 count++;
-            }
-        }
+        //    }
+        //}
 
         result = (shadowFactor / count) * pLightEnv.directionalLights[i].illuminate(lightingParams, brdf);
     }

res/shaders/Skybox.slang

@@ -78,6 +78,7 @@ VertexShaderOutput vertexMain(
     float4 worldPos = float4(mul(cameraRotation, vertices[vertexIndex]), 1.0f);
     //clip(dot(worldPos, clipPlane));
     output.clipPos = mul(pViewParams.projectionMatrix, worldPos);
+    output.clipPos.z = output.clipPos.w - 0.0001f; // Push to far plane
     output.texCoords = normalize(vertices[vertexIndex]);
     return output;
 }

src/Editor/main.cpp

@@ -63,6 +63,10 @@ int main() {
         //    .filePath = sourcePath / "import" / "models" / "main1_sponza" / "sponza.gltf",
         //    .importPath = "sponza",
         //});
+        AssetImporter::importMesh(MeshImportArgs{
+            .filePath = sourcePath / "import" / "models" / "cube.fbx",
+            .importPath = "",
+        });
         AssetImporter::importMesh(MeshImportArgs{
             .filePath = sourcePath / "import" / "models" / "rttest.gltf",
             .importPath = "rttest",

src/Engine/Graphics/RenderPass/BasePass.cpp

@@ -673,6 +673,10 @@ void BasePass::createRenderPass() {
                 {
                     .polygonMode = Gfx::SE_POLYGON_MODE_FILL,
                 },
+            .depthStencilState = {
+                .depthTestEnable = true,
+                .depthCompareOp = Gfx::SE_COMPARE_OP_GREATER,
+            },
             .colorBlend =
                 {
                     .attachmentCount = 1,

src/Engine/Graphics/RenderPass/ShadowPass.cpp

@@ -50,10 +50,10 @@ void ShadowPass::beginFrame(const Component::Camera& camera, const Component::Tr
 
     float nearClip = camera.nearPlane;
     float farClip = camera.farPlane;
-    float clipRange = nearClip - farClip;
+    float clipRange = farClip - nearClip;
 
-    float minZ = farClip;
-    float maxZ = nearClip;
+    float minZ = nearClip;
+    float maxZ = farClip;
 
     float range = maxZ - minZ;
     float ratio = maxZ / minZ;
@@ -63,8 +63,8 @@ void ShadowPass::beginFrame(const Component::Camera& camera, const Component::Tr
         float log = minZ * std::pow(ratio, p);
         float uniform = minZ + range * p;
         float d = cascadeSplitLambda * (log - uniform) + uniform;
-        cascadeSplits[i] = (d - farClip) / clipRange;
-        splitDepths[i] = farClip + cascadeSplits[i] * clipRange;
+        cascadeSplits[i] = (d - nearClip) / clipRange;
+        splitDepths[i] = farClip - cascadeSplits[i] * clipRange;
         cascades[i].viewParams.clear();
     }
     cascadeSplitsBuffer->updateContents(0, sizeof(float) * NUM_CASCADES, splitDepths);
@@ -111,7 +111,7 @@ void ShadowPass::beginFrame(const Component::Camera& camera, const Component::Tr
             Vector cameraPos = frustumCenter - lightDir * -minExtents.z;
             Matrix4 viewMatrix = glm::lookAt(cameraPos, frustumCenter, Vector(0, 1, 0));
             Matrix4 projectionMatrix =
-                orthographicProjection(minExtents.x, maxExtents.x, minExtents.y, maxExtents.y, 0.0f, maxExtents.z - minExtents.z);
+                orthographicProjection(minExtents.x, maxExtents.x, minExtents.y, maxExtents.y, maxExtents.z - minExtents.z, 0.0f);
             Matrix4 viewProjectionMatrix = projectionMatrix * viewMatrix;
             viewParams = {
                 .viewMatrix = viewMatrix,

src/Engine/Graphics/VertexData.cpp

@@ -619,7 +619,7 @@ void VertexData::loadMeshlets(MeshId id, const Array<Vector>& loadedPositions, c
         // todo: use meshopt for bb generation
         m.bounding = AABB();
         for (size_t j = 0; j < m.vertexIndices.size; ++j) {
-            m.bounding.adjust(loadedPositions[vertexIndices[meshoptMeshlets[i].vertex_offset + j]]);
+            m.bounding.adjust(loadedPositions[vertexIndices[meshoptMeshlets[i].vertex_offset + j + m.indicesOffset]]);
         }
     }
     registeredMeshes[id].meshData = MeshData{

src/Engine/Graphics/Vulkan/Descriptor.h

@@ -38,7 +38,6 @@ public:
     DescriptorSetHandle(PGraphics graphics, const std::string& name);
     virtual ~DescriptorSetHandle();
     constexpr VkDescriptorSet getHandle() const { return handle; }
-    PGraphics graphics;
     VkDescriptorSet handle = VK_NULL_HANDLE;
     OBufferAllocation constantsBuffer;
     bool isUsed = false;