DepthStencil Blits

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

@@ -0,0 +1,27 @@
+#include <metal_stdlib>
+
+using namespace metal;
+
+struct CopyVertexOut {
+    float4 position [[position]];
+    float2 uv;
+};
+
+struct Textures
+{
+    texture2d<float, access::sample> texture;
+    sampler sampler;
+};
+
+struct FragmentOut {
+    float depth [[depth(any)]];
+};
+
+fragment FragmentOut fragmentMain(CopyVertexOut in [[stage_in]],
+                             constant Textures &textures [[buffer(22)]]) {
+    FragmentOut out;
+
+    out.depth = textures.texture.sample(textures.sampler, in.uv).r;
+
+    return out;
+}