bgfx/3rdparty/glsl-optimizer/tests/fragment/texProj-outES3Metal.txt

#include <metal_stdlib>
using namespace metal;
constexpr sampler _mtl_xl_shadow_sampler(address::clamp_to_edge, filter::linear, compare_func::less);
struct xlatMtlShaderInput {
  float4 uv;
};
struct xlatMtlShaderOutput {
  half4 _fragData [[color(0)]];
};
struct xlatMtlShaderUniform {
};
fragment xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]]
  ,   texture2d<half> tex [[texture(0)]], sampler _mtlsmp_tex [[sampler(0)]]
  ,   depth2d<float> shadowmap [[texture(1)]], sampler _mtlsmp_shadowmap [[sampler(1)]])
{
  xlatMtlShaderOutput _mtl_o;
  half4 c_1;
  c_1 = (tex.sample(_mtlsmp_tex, ((float2)(_mtl_i.uv).xy / (float)(_mtl_i.uv).w)) + tex.sample(_mtlsmp_tex, ((float2)(_mtl_i.uv.xyz).xy / (float)(_mtl_i.uv.xyz).z)));
  c_1 = (c_1 + tex.sample(_mtlsmp_tex, ((float2)(_mtl_i.uv).xy / (float)(_mtl_i.uv).w), level(1.0)));
  c_1 = (c_1 + tex.sample(_mtlsmp_tex, ((float2)(_mtl_i.uv.xyz).xy / (float)(_mtl_i.uv.xyz).z), level(1.0)));
  c_1 = (c_1 + half4(shadowmap.sample_compare(_mtl_xl_shadow_sampler, (float2)(_mtl_i.uv.xyz).xy, (float)(_mtl_i.uv.xyz).z)));
  c_1 = (c_1 + half4(shadowmap.sample_compare(_mtl_xl_shadow_sampler, (float2)(_mtl_i.uv).xy / (float)(_mtl_i.uv).w, (float)(_mtl_i.uv).z / (float)(_mtl_i.uv).w)));
  _mtl_o._fragData = c_1;
  return _mtl_o;
}


// stats: 5 alu 6 tex 0 flow
// inputs: 1
//  #0: uv (high float) 4x1 [-1]
// textures: 2
//  #0: tex (low 2d) 0x0 [-1] loc 0
//  #1: shadowmap (low 2dshadow) 0x0 [-1] loc 1