37 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Metal
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Metal
		
	
	
	
| #include <metal_stdlib>
 | |
| #include <simd/simd.h>
 | |
| using namespace metal;
 | |
| struct Uniforms {
 | |
|     float4x4 colorXform;
 | |
| };
 | |
| struct Inputs {
 | |
| };
 | |
| struct Outputs {
 | |
|     half4 sk_FragColor [[color(0)]];
 | |
| };
 | |
| struct Globals {
 | |
|     texture2d<half> s;
 | |
|     sampler sSmplr;
 | |
| };
 | |
| 
 | |
| thread bool operator==(const float4x4 left, const float4x4 right);
 | |
| thread bool operator!=(const float4x4 left, const float4x4 right);
 | |
| thread bool operator==(const float4x4 left, const float4x4 right) {
 | |
|     return all(left[0] == right[0]) &&
 | |
|            all(left[1] == right[1]) &&
 | |
|            all(left[2] == right[2]) &&
 | |
|            all(left[3] == right[3]);
 | |
| }
 | |
| thread bool operator!=(const float4x4 left, const float4x4 right) {
 | |
|     return !(left == right);
 | |
| }
 | |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], texture2d<half> s[[texture(0)]], sampler sSmplr[[sampler(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
 | |
|     Globals _globals{s, sSmplr};
 | |
|     (void)_globals;
 | |
|     Outputs _out;
 | |
|     (void)_out;
 | |
|     float4 tmpColor;
 | |
|     _out.sk_FragColor = (tmpColor = float4(_globals.s.sample(_globals.sSmplr, float2(1.0))), half4(_uniforms.colorXform != float4x4(1.0) ? float4(clamp((_uniforms.colorXform * float4(tmpColor.xyz, 1.0)).xyz, 0.0, tmpColor.w), tmpColor.w) : tmpColor));
 | |
|     return _out;
 | |
| }
 |