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Starting to add cascading shadow maps

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Dynamitos
2025-07-14 21:10:07 +02:00
parent cc22f10565
commit 9bd1ca1b09
18 changed files with 282 additions and 172 deletions
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res/shaders/lib/LightEnv.slang
-2
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@@ -10,7 +10,6 @@ struct DirectionalLight : ILightEnv
{
float4 color;
float4 direction;
float4x4 lightSpaceMatrix;
float3 illuminate<B:IBRDF>(LightingParameter params, B brdf)
{
@@ -369,4 +368,3 @@ struct CookTorrance : IBRDF
}
[mutating] void setNormal(float3 n) { normal = n; }
};
res/shaders/lib/MaterialParameter.slang
+8 -4
View File
@@ -63,7 +63,8 @@ struct FragmentParameter
float3 normal_WS : NORMALWS;
float3 tangent_WS : TANGENTWS;
float3 biTangent_WS : BITANGENTWS;
float3 position_WS : POSITIONWS;
float3 position_WS : POSITIONWS;
float3 position_VS : POSITIONVS;
float3 vertexColor : COLOR;
float4 texCoords0 : TEXCOORDS0;
float4 texCoords1 : TEXCOORDS1;
@@ -109,7 +110,8 @@ struct FragmentParameter
result.normal_WS = f0.normal_WS * barycentricCoords.x + f1.normal_WS * barycentricCoords.y + f2.normal_WS * barycentricCoords.z;
result.tangent_WS = f0.tangent_WS * barycentricCoords.x + f1.tangent_WS * barycentricCoords.y + f2.tangent_WS * barycentricCoords.z;
result.biTangent_WS = f0.biTangent_WS * barycentricCoords.x + f1.biTangent_WS * barycentricCoords.y + f2.biTangent_WS * barycentricCoords.z;
result.position_WS = f0.position_WS * barycentricCoords.x + f1.position_WS * barycentricCoords.y + f2.position_WS * barycentricCoords.z;
result.position_WS = f0.position_WS * barycentricCoords.x + f1.position_WS * barycentricCoords.y + f2.position_WS * barycentricCoords.z;
result.position_VS = f0.position_VS * barycentricCoords.x + f1.position_VS * barycentricCoords.y + f2.position_VS * barycentricCoords.z;
result.vertexColor = f0.vertexColor * barycentricCoords.x + f1.vertexColor * barycentricCoords.y + f2.vertexColor * barycentricCoords.z;
result.texCoords0 = f0.texCoords0 * barycentricCoords.x + f1.texCoords0 * barycentricCoords.y + f2.texCoords0 * barycentricCoords.z;
result.texCoords1 = f0.texCoords1 * barycentricCoords.x + f1.texCoords1 * barycentricCoords.y + f2.texCoords1 * barycentricCoords.z;
@@ -135,7 +137,8 @@ struct VertexAttributes
FragmentParameter getParameter(float4x4 transformMatrix, float4x4 inverseTransformMatrix)
{
float4 modelPos = float4(position_MS, 1);
float4 worldPos = mul(transformMatrix, modelPos);
float4 worldPos = mul(transformMatrix, modelPos);
float4 viewPos = mul(pViewParams.viewMatrix, worldPos);
float4 clipPos = mul(pViewParams.viewProjectionMatrix, worldPos);
FragmentParameter result;
result.position_CS = clipPos;
@@ -145,7 +148,8 @@ struct VertexAttributes
result.biTangent_WS = mul(transformMatrix, float4(biTangent_MS, 0)).xyz;
result.normal_WS = mul(transformMatrix, float4(normal_MS, 0)).xyz;
result.vertexColor = vertexColor;
result.position_WS = worldPos.xyz;
result.position_WS = worldPos.xyz;
result.position_VS = viewPos.xyz;
result.texCoords0 = float4(texCoords[0], texCoords[1]);
result.texCoords1 = float4(texCoords[2], texCoords[3]);
result.texCoords2 = float4(texCoords[4], texCoords[5]);