Starts but segfaults sometimes, yay

res/shaders/ForwardPlus.slang

@@ -18,16 +18,16 @@ struct VertexStageOutput
 {
     ShaderAttributeInterpolation shaderAttributeInterpolation : Interpolation;
     VertexValueCache cache : ShaderCache;
-	float4 position : SV_Position;
+    float4 position : SV_Position;
 };
 
 [shader("vertex")]
 VertexStageOutput vertexMain(
-	VertexShaderInput input)
+    VertexShaderInput input)
 {
     VertexStageOutput output;
     VertexValueCache cache = input.getVertexCache();
-	float3 worldPosition = input.getWorldPosition();
+    float3 worldPosition = input.getWorldPosition();
     worldPosition += gMaterial.getWorldOffset();
     float4 clipSpacePosition;
     
@@ -50,9 +50,9 @@ float4 fragmentMain(
     ) : SV_Target
 {
     MaterialFragmentParameter materialParams = input.getMaterialParameter(position);
-	TMaterial.BRDF brdf = gMaterial.prepare(materialParams);
-	
-	float3 viewDir = normalize(materialParams.viewDir);
+    TMaterial.BRDF brdf = gMaterial.prepare(materialParams);
+    
+    float3 viewDir = normalize(materialParams.viewDir);
     
     float3 result = float3(0, 0, 0);
 
@@ -61,15 +61,15 @@ float4 fragmentMain(
         result += directionalLights[i].illuminate(materialParams, brdf, viewDir);
     }
     
-	uint2 tileIndex = uint2(floor(position.xy / BLOCK_SIZE));
+    uint2 tileIndex = uint2(floor(position.xy / BLOCK_SIZE));
     uint2 gridValue = lightGrid[tileIndex];
-	uint startOffset = gridValue.x;
-	uint lightCount = gridValue.y;
+    uint startOffset = gridValue.x;
+    uint lightCount = gridValue.y;
 
     for (int j = 0; j < lightCount; ++j)
     {
-		uint lightIndex = lightIndexList[startOffset + j];
-		PointLight pointLight = pointLights[lightIndex];
+        uint lightIndex = lightIndexList[startOffset + j];
+        PointLight pointLight = pointLights[lightIndex];
         result += pointLight.illuminate(materialParams, brdf, viewDir);
     }
     return float4(result, 1);