test/benchmark/bloom-vertical-blur.wgsl.expected.msl

#include <metal_stdlib>

using namespace metal;
struct tint_array_wrapper {
  float arr[3];
};
struct BloomUniforms {
  /* 0x0000 */ float radius;
  /* 0x0004 */ float dim;
};
struct FragmentInput {
  float2 texCoord;
};
struct tint_symbol_1 {
  float2 texCoord [[user(locn0)]];
};
struct tint_symbol_2 {
  float4 value [[color(0)]];
};

constant float2 bloomDir = float2(0.0f, 1.0f);
float4 getGaussianBlur(float2 texCoord, const constant BloomUniforms* const tint_symbol_4, texture2d<float, access::sample> tint_symbol_5, sampler tint_symbol_6, thread tint_array_wrapper* const tint_symbol_7) {
  float2 const texelRadius = (float2((*(tint_symbol_4)).radius) / float2(int2(tint_symbol_5.get_width(), tint_symbol_5.get_height())));
  float2 const step = (bloomDir * texelRadius);
  float4 sum = float4(0.0f);
  sum = (sum + (tint_symbol_5.sample(tint_symbol_6, texCoord) * (*(tint_symbol_7)).arr[0]));
  sum = (sum + (tint_symbol_5.sample(tint_symbol_6, (texCoord + (step * 1.0f))) * (*(tint_symbol_7)).arr[1]));
  sum = (sum + (tint_symbol_5.sample(tint_symbol_6, (texCoord - (step * 1.0f))) * (*(tint_symbol_7)).arr[1]));
  sum = (sum + (tint_symbol_5.sample(tint_symbol_6, (texCoord + (step * 2.0f))) * (*(tint_symbol_7)).arr[2]));
  sum = (sum + (tint_symbol_5.sample(tint_symbol_6, (texCoord - (step * 2.0f))) * (*(tint_symbol_7)).arr[2]));
  return float4(float4(sum).rgb, 1.0f);
}

float4 fragmentMain_inner(FragmentInput input, const constant BloomUniforms* const tint_symbol_8, texture2d<float, access::sample> tint_symbol_9, sampler tint_symbol_10, thread tint_array_wrapper* const tint_symbol_11, texture2d<float, access::sample> tint_symbol_12) {
  float4 const blurColor = getGaussianBlur(input.texCoord, tint_symbol_8, tint_symbol_9, tint_symbol_10, tint_symbol_11);
  float4 const dimColor = (tint_symbol_12.sample(tint_symbol_10, input.texCoord) * (*(tint_symbol_8)).dim);
  return (blurColor + dimColor);
}

fragment tint_symbol_2 fragmentMain(const constant BloomUniforms* tint_symbol_13 [[buffer(0)]], texture2d<float, access::sample> tint_symbol_14 [[texture(0)]], sampler tint_symbol_15 [[sampler(0)]], texture2d<float, access::sample> tint_symbol_17 [[texture(1)]], tint_symbol_1 tint_symbol [[stage_in]]) {
  thread tint_array_wrapper tint_symbol_16 = {.arr={0.227027029f, 0.31621623f, 0.07027027f}};
  FragmentInput const tint_symbol_3 = {.texCoord=tint_symbol.texCoord};
  float4 const inner_result = fragmentMain_inner(tint_symbol_3, tint_symbol_13, tint_symbol_14, tint_symbol_15, &(tint_symbol_16), tint_symbol_17);
  tint_symbol_2 wrapper_result = {};
  wrapper_result.value = inner_result;
  return wrapper_result;
}