diff --git a/res/shaders/BasePass.slang b/res/shaders/BasePass.slang
index 4f42b91..dde24a6 100644
--- a/res/shaders/BasePass.slang
+++ b/res/shaders/BasePass.slang
@@ -46,13 +46,16 @@ 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 = float4(lightSpacePos.xy * 0.5 + 0.5, lightSpacePos.zw);
+        // Negate Y to compensate for orthographic projection's Y negation + viewport Y-flip double-inversion
+        lightSpacePos = float4(lightSpacePos.x * 0.5 + 0.5, -lightSpacePos.y * 0.5 + 0.5, lightSpacePos.zw);
         float4 shadowCoord = lightSpacePos;
+        // Convert NDC z to viewport depth space (inverse depth: near=1, far=0)
+        float currentDepth = 1.0 - shadowCoord.z;
         int3 texDim;
         pShadowMapping.shadowMaps[cascadeIndex].GetDimensions(texDim.x, texDim.y, texDim.z);
         float scale = 1.5f;
@@ -65,10 +68,10 @@ float4 fragmentMain(in FragmentParameter params) : SV_Target
         //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)
+                if (currentDepth > 0.0 && currentDepth < 1.0)
                 {
                     float dist = pShadowMapping.shadowMaps[cascadeIndex].Sample(pShadowMapping.shadowSampler, float3(shadowCoord.xy, i)).r;
-                    if (shadowCoord.w > 0 && dist < shadowCoord.z)
+                    if (shadowCoord.w > 0 && currentDepth < dist)
                     {
                         shadow = 0;
                     }
diff --git a/src/Engine/Graphics/RenderPass/ShadowPass.cpp b/src/Engine/Graphics/RenderPass/ShadowPass.cpp
index 1e5cc6b..b7c3430 100644
--- a/src/Engine/Graphics/RenderPass/ShadowPass.cpp
+++ b/src/Engine/Graphics/RenderPass/ShadowPass.cpp
@@ -64,7 +64,7 @@ void ShadowPass::beginFrame(const Component::Camera& camera, const Component::Tr
         float uniform = minZ + range * p;
         float d = cascadeSplitLambda * (log - uniform) + uniform;
         cascadeSplits[i] = (d - nearClip) / clipRange;
-        splitDepths[i] = farClip - cascadeSplits[i] * clipRange;
+        splitDepths[i] = d;
         cascades[i].viewParams.clear();
     }
     cascadeSplitsBuffer->updateContents(0, sizeof(float) * NUM_CASCADES, splitDepths);
@@ -76,8 +76,8 @@ void ShadowPass::beginFrame(const Component::Camera& camera, const Component::Tr
         float splitDist = cascadeSplits[i];
 
         Array<Vector> frustumCorners = {
-            Vector(-1.0f, 1.0f, 1.0f), Vector(1.0f, 1.0f, 1.0f), Vector(1.0f, -1.0f, 1.0f), Vector(-1.0f, -1.0f, 1.0f),
             Vector(-1.0f, 1.0f, 0.0f), Vector(1.0f, 1.0f, 0.0f), Vector(1.0f, -1.0f, 0.0f), Vector(-1.0f, -1.0f, 0.0f),
+            Vector(-1.0f, 1.0f, 1.0f), Vector(1.0f, 1.0f, 1.0f), Vector(1.0f, -1.0f, 1.0f), Vector(-1.0f, -1.0f, 1.0f),
         };
 
         for (auto& c : frustumCorners) {
@@ -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, maxExtents.z - minExtents.z, 0.0f);
+                orthographicProjection(minExtents.x, maxExtents.x, minExtents.y, maxExtents.y, 0.0f, maxExtents.z - minExtents.z);
             Matrix4 viewProjectionMatrix = projectionMatrix * viewMatrix;
             viewParams = {
                 .viewMatrix = viewMatrix,
@@ -194,7 +194,7 @@ void ShadowPass::render() {
                         .rasterizationState =
                             {
                                 .cullMode = Gfx::SE_CULL_MODE_NONE,
-                                .depthBiasEnable = false,
+                                .depthBiasEnable = true,
                                 .depthBiasConstantFactor = depthBiasConstant,
                                 .depthBiasSlopeFactor = depthBiasSlope,
                             },