| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| float4 sk_RTAdjust; |
| }; |
| struct Inputs { |
| float4 pos; |
| }; |
| struct Outputs { |
| float4 sk_Position [[position]]; |
| float sk_PointSize [[point_size]]; |
| }; |
| |
| |
| vertex Outputs vertexMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], uint sk_VertexID [[vertex_id]], uint sk_InstanceID [[instance_id]]) { |
| Outputs _outputStruct; |
| thread Outputs* _out = &_outputStruct; |
| _out->sk_Position = _in.pos; |
| _out->sk_Position = float4(_out->sk_Position.xy * _uniforms.sk_RTAdjust.xz + _out->sk_Position.ww * _uniforms.sk_RTAdjust.yw, 0.0, _out->sk_Position.w); |
| _out->sk_Position.y = -_out->sk_Position.y; |
| return *_out; |
| } |