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https://github.com/scratchfoundation/bgfx.git
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77 lines
2.3 KiB
Text
77 lines
2.3 KiB
Text
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#include <metal_stdlib>
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using namespace metal;
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struct xlatMtlShaderInput {
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float4 _uv0;
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half3 _uv1;
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half3 _uv2;
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half3 _uv3;
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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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half4 _Color;
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half4 _LightColor0;
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float _Shininess;
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half4 _SpecColor;
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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> _BumpMap [[texture(0)]], sampler _mtlsmp__BumpMap [[sampler(0)]]
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, texture2d<half> _MainTex [[texture(1)]], sampler _mtlsmp__MainTex [[sampler(1)]])
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{
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xlatMtlShaderOutput _mtl_o;
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half4 c_1;
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half3 tmpvar_2;
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half tmpvar_3;
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half4 tmpvar_4;
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tmpvar_4 = _MainTex.sample(_mtlsmp__MainTex, (float2)(_mtl_i._uv0.xy));
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tmpvar_2 = (tmpvar_4.xyz * _mtl_u._Color.xyz);
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tmpvar_3 = (tmpvar_4.w * _mtl_u._Color.w);
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half4 tmpvar_5;
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tmpvar_5 = _BumpMap.sample(_mtlsmp__BumpMap, (float2)(_mtl_i._uv0.zw));
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half4 packednormal_6;
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packednormal_6 = tmpvar_5;
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half4 normal_7;
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normal_7.xy = ((packednormal_6.wy * (half)2.0) - (half)1.0);
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normal_7.z = sqrt((((half)1.0 -
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(normal_7.x * normal_7.x)
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) - (normal_7.y * normal_7.y)));
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half4 c_8;
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half spec_9;
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half tmpvar_10;
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float y_11;
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y_11 = (_mtl_u._Shininess * 128.0);
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tmpvar_10 = ((half)pow ((float)max ((half)0.0, dot (normal_7.xyz,
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normalize((_mtl_i._uv2 + normalize(_mtl_i._uv1)))
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)), y_11));
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spec_9 = (tmpvar_10 * tmpvar_4.w);
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c_8.xyz = (((
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(tmpvar_2 * _mtl_u._LightColor0.xyz)
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*
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max ((half)0.0, dot (normal_7.xyz, _mtl_i._uv2))
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) + (
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(_mtl_u._LightColor0.xyz * _mtl_u._SpecColor.xyz)
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* spec_9)) * (half)2.0);
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c_8.w = (tmpvar_3 + ((_mtl_u._LightColor0.w * _mtl_u._SpecColor.w) * spec_9));
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c_1.xyz = (c_8.xyz + (tmpvar_2 * _mtl_i._uv3));
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c_1.w = tmpvar_3;
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_mtl_o._fragData = c_1;
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return _mtl_o;
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}
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// stats: 30 alu 2 tex 0 flow
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// inputs: 4
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// #0: _uv0 (high float) 4x1 [-1]
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// #1: _uv1 (medium float) 3x1 [-1]
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// #2: _uv2 (medium float) 3x1 [-1]
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// #3: _uv3 (medium float) 3x1 [-1]
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// uniforms: 4 (total size: 32)
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// #0: _Color (medium float) 4x1 [-1] loc 0
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// #1: _LightColor0 (medium float) 4x1 [-1] loc 8
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// #2: _Shininess (high float) 1x1 [-1] loc 16
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// #3: _SpecColor (medium float) 4x1 [-1] loc 24
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// textures: 2
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// #0: _BumpMap (low 2d) 0x0 [-1] loc 0
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// #1: _MainTex (low 2d) 0x0 [-1] loc 1
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