mirror of
https://github.com/scratchfoundation/bgfx.git
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56 lines
1.9 KiB
Text
56 lines
1.9 KiB
Text
#include <metal_stdlib>
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#pragma clang diagnostic ignored "-Wparentheses-equality"
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using namespace metal;
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struct xlatMtlShaderInput {
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float2 xlv_TEXCOORD0;
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};
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struct xlatMtlShaderOutput {
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half4 _glesFragData_0 [[color(0)]];
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};
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struct xlatMtlShaderUniform {
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float _RangeScale;
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};
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fragment xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]]
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, texture2d<half> _MainTex [[texture(0)]], sampler _mtlsmp__MainTex [[sampler(0)]]
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, texture2d<half> _Curve [[texture(1)]], sampler _mtlsmp__Curve [[sampler(1)]])
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{
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xlatMtlShaderOutput _mtl_o;
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float newLum_1;
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float3 cie_2;
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float4 color_3;
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half4 tmpvar_4;
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tmpvar_4 = _MainTex.sample(_mtlsmp__MainTex, (float2)(_mtl_i.xlv_TEXCOORD0));
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color_3 = float4(tmpvar_4);
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float3 Yxy_5;
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float3 tmpvar_6;
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tmpvar_6 = (float3x3(float3(0.514136, 0.265068, 0.0241188), float3(0.323879, 0.670234, 0.122818), float3(0.160364, 0.0640916, 0.844427)) * color_3.xyz);
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Yxy_5.x = tmpvar_6.y;
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Yxy_5.yz = (tmpvar_6.xy / dot (float3(1.0, 1.0, 1.0), tmpvar_6));
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cie_2.yz = Yxy_5.yz;
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float2 tmpvar_7;
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tmpvar_7.y = 0.5;
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tmpvar_7.x = (tmpvar_6.y * _mtl_u._RangeScale);
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half tmpvar_8;
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tmpvar_8 = _Curve.sample(_mtlsmp__Curve, (float2)(tmpvar_7)).x;
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newLum_1 = float(tmpvar_8);
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cie_2.x = newLum_1;
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float3 XYZ_9;
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XYZ_9.x = ((newLum_1 * Yxy_5.y) / Yxy_5.z);
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XYZ_9.y = cie_2.x;
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XYZ_9.z = ((newLum_1 * (
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(1.0 - Yxy_5.y)
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- Yxy_5.z)) / Yxy_5.z);
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color_3.xyz = (float3x3(float3(2.5651, -1.0217, 0.0753), float3(-1.1665, 1.9777, -0.2543), float3(-0.3986, 0.0439, 1.1892)) * XYZ_9);
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_mtl_o._glesFragData_0 = half4(color_3);
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return _mtl_o;
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}
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// stats: 12 alu 2 tex 0 flow
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// inputs: 1
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// #0: xlv_TEXCOORD0 (high float) 2x1 [-1]
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// uniforms: 1 (total size: 4)
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// #0: _RangeScale (high float) 1x1 [-1] loc 0
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// textures: 2
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// #0: _MainTex (low 2d) 0x0 [-1] loc 0
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// #1: _Curve (low 2d) 0x0 [-1] loc 1
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