present

src/Cafe/HW/Latte/Renderer/Metal/ShaderSourcePresent.h

@@ -0,0 +1,23 @@
+#include <cmath>
+const char* presentLibrarySource = \
+"#include <metal_stdlib>\n" \
+"using namespace metal;\n" \
+"\n" \
+"constant float2 positions[] = {float2(-1.0, -3.0), float2(-1.0, 1.0), float2(3.0, 1.0)};\n"
+"\n" \
+"struct VertexOut {\n" \
+"   float4 position [[position]];\n" \
+"   float2 texCoord;\n" \
+"};\n" \
+"\n" \
+"vertex VertexOut presentVertex(ushort vid [[vertex_id]]) {\n" \
+"   VertexOut out;\n" \
+"   out.position = float4(positions[vid], 0.0, 1.0);\n" \
+"   out.texCoord = positions[vid] * 0.5 + 0.5;\n" \
+"\n" \
+"   return out;\n" \
+"}\n" \
+"\n" \
+"fragment float4 presentFragment(VertexOut in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler samplr [[sampler(0)]]) {\n" \
+"   return tex.sample(samplr, in.texCoord);\n" \
+"}\n";