ScriptableRenderPipeline/com.unity.shadergraph/ShaderGraphLibrary/Functions.hlsl

// UNITY_SHADER_NO_UPGRADE
#ifndef UNITY_GRAPHFUNCTIONS_INCLUDED
#define UNITY_GRAPHFUNCTIONS_INCLUDED

// ----------------------------------------------------------------------------
// Included in generated graph shaders
// ----------------------------------------------------------------------------

bool IsGammaSpace()
{
    #ifdef UNITY_COLORSPACE_GAMMA
        return true;
    #else
        return false;
    #endif
}

float4 ComputeScreenPos (float4 pos, float projectionSign)
{
  float4 o = pos * 0.5f;
  o.xy = float2(o.x, o.y * projectionSign) + o.w;
  o.zw = pos.zw;
  return o;
}

struct Gradient
{
    int type;
    int colorsLength;
    int alphasLength;
    float4 colors[8];
    float2 alphas[8];
};

#ifndef SHADERGRAPH_SAMPLE_SCENE_DEPTH
    #define SHADERGRAPH_SAMPLE_SCENE_DEPTH(uv) shadergraph_SampleSceneDepth(uv);
#endif

#ifndef SHADERGRAPH_SAMPLE_SCENE_COLOR
    #define SHADERGRAPH_SAMPLE_SCENE_COLOR(uv) shadergraph_SampleSceneColor(uv);
#endif

float shadergraph_SampleSceneDepth(float2 uv)
{
    return 1;
}

float3 shadergraph_SampleSceneColor(float2 uv)
{
    return 0;
}

#endif // UNITY_GRAPHFUNCTIONS_INCLUDED