Break everything :D

src/Ryujinx.Graphics.Metal/Shaders/Blit.metal

@@ -0,0 +1,39 @@
+#include <metal_stdlib>
+
+using namespace metal;
+
+// ------------------
+// Simple Blit Shader
+// ------------------
+
+constant float2 quadVertices[] = {
+    float2(-1, -1),
+    float2(-1,  1),
+    float2( 1,  1),
+    float2(-1, -1),
+    float2( 1,  1),
+    float2( 1, -1)
+};
+
+struct CopyVertexOut {
+    float4 position [[position]];
+    float2 uv;
+};
+
+vertex CopyVertexOut vertexMain(unsigned short vid [[vertex_id]]) {
+    float2 position = quadVertices[vid];
+
+    CopyVertexOut out;
+
+    out.position = float4(position, 0, 1);
+    out.position.y = -out.position.y;
+    out.uv = position * 0.5f + 0.5f;
+
+    return out;
+}
+
+fragment float4 fragmentMain(CopyVertexOut in [[stage_in]],
+                             texture2d<float, access::sample> texture [[texture(0)]],
+                             sampler sampler [[sampler(0)]]) {
+    return texture.sample(sampler, in.uv);
+}