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Fixed BlinnPhong shading

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Dynamitos
2023-02-27 13:52:57 +01:00
parent f46262b66e
commit f1062e5bcb
15 changed files with 131 additions and 316 deletions
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res/shaders/lib/MaterialParameter.slang
+6 -16
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@@ -2,7 +2,7 @@ struct MaterialVertexParameter
{
float3 worldPosition;
float3 viewPosition;
float3x3 tangentToWorld;
float3x3 worldToTangent;
#if NUM_MATERIAL_TEXCOORDS
float2 texCoords[NUM_MATERIAL_TEXCOORDS];
#endif
@@ -19,29 +19,19 @@ struct MaterialVertexParameter
struct MaterialFragmentParameter
{
float3 worldPosition;
float3 viewDir;
float3 worldNormal;
float3 worldTangent;
float3 worldBiTangent;
float4 clipPosition;
float3 position_TS;
float3 viewDir_TS;
float4 vertexColor;
float3x3 tangentToWorld;
float3x3 worldToTangent;
#ifdef USE_INSTANCING
float3 perInstanceParams;
#endif
#if NUM_MATERIAL_TEXCOORDS
float2 texCoords[NUM_MATERIAL_TEXCOORDS];
#endif
float3 transformNormalToWorld(float3 tangentSpaceNormal)
float3 transformWorldToTangent(float3 vec)
{
float3 result = mul(tangentToWorld, tangentSpaceNormal);
return result;
}
float3 transformNormalTexture(float3 rawNormal)
{
rawNormal = 2.0 * rawNormal - float3(1.0, 1.0, 1.0);
return transformNormalToWorld(rawNormal);
return mul(worldToTangent, vec);
}
};