mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
55 lines
1.8 KiB
Text
55 lines
1.8 KiB
Text
#include <metal_stdlib>
|
|
using namespace metal;
|
|
struct xlatMtlShaderInput {
|
|
float2 xlv_TEXCOORD0;
|
|
};
|
|
struct xlatMtlShaderOutput {
|
|
half4 _glesFragData_0 [[color(0)]];
|
|
};
|
|
struct xlatMtlShaderUniform {
|
|
float _RangeScale;
|
|
};
|
|
fragment xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]]
|
|
, texture2d<half> _MainTex [[texture(0)]], sampler _mtlsmp__MainTex [[sampler(0)]]
|
|
, texture2d<half> _Curve [[texture(1)]], sampler _mtlsmp__Curve [[sampler(1)]])
|
|
{
|
|
xlatMtlShaderOutput _mtl_o;
|
|
float newLum_1;
|
|
float3 cie_2;
|
|
float4 color_3;
|
|
half4 tmpvar_4;
|
|
tmpvar_4 = _MainTex.sample(_mtlsmp__MainTex, (float2)(_mtl_i.xlv_TEXCOORD0));
|
|
color_3 = float4(tmpvar_4);
|
|
float3 Yxy_5;
|
|
float3 tmpvar_6;
|
|
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);
|
|
Yxy_5.x = tmpvar_6.y;
|
|
Yxy_5.yz = (tmpvar_6.xy / dot (float3(1.0, 1.0, 1.0), tmpvar_6));
|
|
cie_2.yz = Yxy_5.yz;
|
|
float2 tmpvar_7;
|
|
tmpvar_7.y = 0.5;
|
|
tmpvar_7.x = (tmpvar_6.y * _mtl_u._RangeScale);
|
|
half tmpvar_8;
|
|
tmpvar_8 = _Curve.sample(_mtlsmp__Curve, (float2)(tmpvar_7)).x;
|
|
newLum_1 = float(tmpvar_8);
|
|
cie_2.x = newLum_1;
|
|
float3 XYZ_9;
|
|
XYZ_9.x = ((newLum_1 * Yxy_5.y) / Yxy_5.z);
|
|
XYZ_9.y = cie_2.x;
|
|
XYZ_9.z = ((newLum_1 * (
|
|
(1.0 - Yxy_5.y)
|
|
- Yxy_5.z)) / Yxy_5.z);
|
|
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);
|
|
_mtl_o._glesFragData_0 = half4(color_3);
|
|
return _mtl_o;
|
|
}
|
|
|
|
|
|
// stats: 12 alu 2 tex 0 flow
|
|
// inputs: 1
|
|
// #0: xlv_TEXCOORD0 (high float) 2x1 [-1]
|
|
// uniforms: 1 (total size: 4)
|
|
// #0: _RangeScale (high float) 1x1 [-1] loc 0
|
|
// textures: 2
|
|
// #0: _MainTex (low 2d) 0x0 [-1] loc 0
|
|
// #1: _Curve (low 2d) 0x0 [-1] loc 1
|