52 lines
1.5 KiB
HLSL
52 lines
1.5 KiB
HLSL
#ifndef UNITY_VISUAL_EFFECT_MATRICES_OVERRIDE_INCLUDED
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#define UNITY_VISUAL_EFFECT_MATRICES_OVERRIDE_INCLUDED
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#ifndef HAVE_VFX_MODIFICATION
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#error HAVE_VFX_MODIFICATION is expected at this point (ShaderGraph code generation for VFX)
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#endif
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#ifdef UNITY_SPACE_TRANSFORMS_INCLUDED
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#error VisualEffectMatrices must be included *before* space transform
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#endif
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#ifdef SHADER_STAGE_COMPUTE
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#undef UNITY_MATRIX_M
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static float4x4 vfxLocalToWorld;
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#ifdef MODIFY_MATRIX_FOR_CAMERA_RELATIVE_RENDERING
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#define UNITY_MATRIX_M ApplyCameraTranslationToMatrix(vfxLocalToWorld)
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#else
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#define UNITY_MATRIX_M vfxLocalToWorld
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#endif
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#undef UNITY_MATRIX_I_M
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static float4x4 vfxWorldToLocal;
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#ifdef MODIFY_MATRIX_FOR_CAMERA_RELATIVE_RENDERING
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#define UNITY_MATRIX_I_M ApplyCameraTranslationToInverseMatrix(vfxWorldToLocal)
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#else
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#define UNITY_MATRIX_I_M vfxWorldToLocal
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#endif
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#else //SHADER_STAGE_COMPUTE
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//Store the previous definition of UNITY_MATRIX_M/I_M
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float4x4 GetSGVFXUnityObjectToWorldBackup() { return UNITY_MATRIX_M; }
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float4x4 GetSGVFXUnityWorldToObjectBackup() { return UNITY_MATRIX_I_M; }
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float4x4 GetSGVFXUnityObjectToWorld() { return GetSGVFXUnityObjectToWorldBackup(); }
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float4x4 GetSGVFXUnityWorldToObject() { return GetSGVFXUnityWorldToObjectBackup(); }
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// Abstraction of Unity matrices for VFX element/particles.
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#undef UNITY_MATRIX_M
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static float4x4 elementToWorld;
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#define UNITY_MATRIX_M elementToWorld
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#undef UNITY_MATRIX_I_M
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static float4x4 worldToElement;
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#define UNITY_MATRIX_I_M worldToElement
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#endif //SHADER_STAGE_COMPUTE
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#endif
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