// Automatically generated from files in pathfinder/shaders/. Do not edit!
#pragma clang diagnostic ignored "-Wmissing-prototypes"

#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

struct spvDescriptorSetBuffer0
{
    texture2d<float> uStencilTexture [[id(0)]];
    sampler uStencilTextureSmplr [[id(1)]];
    texture2d<float> uPaintTexture [[id(2)]];
    sampler uPaintTextureSmplr [[id(3)]];
};

struct main0_out
{
    float4 oFragColor [[color(0)]];
};

struct main0_in
{
    float2 vColorTexCoord [[user(locn0)]];
    float2 vMaskTexCoord [[user(locn1)]];
    float vOpacity [[user(locn2)]];
};

float4 sampleSrcColor(thread texture2d<float> uStencilTexture, thread const sampler uStencilTextureSmplr, thread float2& vMaskTexCoord, thread texture2d<float> uPaintTexture, thread const sampler uPaintTextureSmplr, thread float2& vColorTexCoord, thread float& vOpacity)
{
    float coverage = uStencilTexture.sample(uStencilTextureSmplr, vMaskTexCoord).x;
    float4 srcRGBA = uPaintTexture.sample(uPaintTextureSmplr, vColorTexCoord);
    return float4(srcRGBA.xyz, (srcRGBA.w * coverage) * vOpacity);
}

fragment main0_out main0(main0_in in [[stage_in]], constant spvDescriptorSetBuffer0& spvDescriptorSet0 [[buffer(0)]])
{
    main0_out out = {};
    float4 srcRGBA = sampleSrcColor(spvDescriptorSet0.uStencilTexture, spvDescriptorSet0.uStencilTextureSmplr, in.vMaskTexCoord, spvDescriptorSet0.uPaintTexture, spvDescriptorSet0.uPaintTextureSmplr, in.vColorTexCoord, in.vOpacity);
    out.oFragColor = float4(srcRGBA.xyz * srcRGBA.w, srcRGBA.w);
    return out;
}