mirror of
https://github.com/scratchfoundation/bgfx.git
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97 lines
2.9 KiB
Text
97 lines
2.9 KiB
Text
#include <metal_stdlib>
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using namespace metal;
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struct xlatMtlShaderInput {
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half2 xlv_TEXCOORD0;
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};
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struct xlatMtlShaderOutput {
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half4 _fragData [[color(0)]];
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};
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struct xlatMtlShaderUniform {
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half _NumPasses;
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half4 _ContrastShift;
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half4 _SaturationShift;
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half4 _HueShift;
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half4 _LuminosityShift;
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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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{
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xlatMtlShaderOutput _mtl_o;
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half4 t_1;
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half4 tmpvar_2;
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tmpvar_2 = _MainTex.sample(_mtlsmp__MainTex, (float2)(_mtl_i.xlv_TEXCOORD0));
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t_1 = tmpvar_2;
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if ((_mtl_u._NumPasses > (half)0.0)) {
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half passes_3;
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passes_3 = _mtl_u._NumPasses;
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float i_4;
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half3 res_5;
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res_5 = tmpvar_2.xyz;
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i_4 = 0.0;
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while (true) {
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if ((i_4 >= 4.0)) {
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break;
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};
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if ((i_4 == (float)passes_3)) {
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break;
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};
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if ((i_4 == 0.0)) {
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half3 tmpvar_6;
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half val_7;
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val_7 = ((_mtl_u._ContrastShift.x * (half)3.0) + (half)12.0);
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half tmpvar_8;
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tmpvar_8 = pow ((cos(val_7) + (half)1.0), val_7);
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tmpvar_6 = ((res_5 - (half)0.5) * tmpvar_8);
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res_5 = tmpvar_6;
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} else {
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if ((i_4 == 1.0)) {
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half3 tmpvar_9;
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half val_10;
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val_10 = ((_mtl_u._SaturationShift.y * (half)3.0) + (half)12.0);
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half tmpvar_11;
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tmpvar_11 = pow ((cos(val_10) + (half)1.0), val_10);
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tmpvar_9 = ((res_5 - (half)0.5) * tmpvar_11);
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res_5 = tmpvar_9;
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} else {
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if ((i_4 == 2.0)) {
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half3 tmpvar_12;
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half val_13;
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val_13 = ((_mtl_u._HueShift.z * (half)3.0) + (half)12.0);
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half tmpvar_14;
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tmpvar_14 = pow ((cos(val_13) + (half)1.0), val_13);
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tmpvar_12 = ((res_5 - (half)0.5) * tmpvar_14);
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res_5 = tmpvar_12;
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} else {
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half3 tmpvar_15;
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half val_16;
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val_16 = ((_mtl_u._LuminosityShift.x * (half)3.0) + (half)12.0);
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half tmpvar_17;
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tmpvar_17 = pow ((cos(val_16) + (half)1.0), val_16);
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tmpvar_15 = ((res_5 - (half)0.5) * tmpvar_17);
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res_5 = tmpvar_15;
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};
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};
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};
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i_4 += 1.0;
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};
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t_1.xyz = res_5;
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};
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half4 tmpvar_18;
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tmpvar_18.w = half(1.0);
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tmpvar_18.xyz = t_1.xyz;
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_mtl_o._fragData = tmpvar_18;
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return _mtl_o;
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}
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// stats: 37 alu 1 tex 7 flow
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// inputs: 1
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// #0: xlv_TEXCOORD0 (medium float) 2x1 [-1]
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// uniforms: 5 (total size: 40)
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// #0: _NumPasses (medium float) 1x1 [-1] loc 0
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// #1: _ContrastShift (medium float) 4x1 [-1] loc 8
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// #2: _SaturationShift (medium float) 4x1 [-1] loc 16
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// #3: _HueShift (low float) 4x1 [-1] loc 24
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// #4: _LuminosityShift (low float) 4x1 [-1] loc 32
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// textures: 1
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// #0: _MainTex (low 2d) 0x0 [-1] loc 0
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