metal is back, baby

5 files changed, 37 insertions, 4 deletions

diff --git a/assets/shaders/blinn_phong.vert b/assets/shaders/blinn_phong.vert
index 1d2a53e..18609b7 100644
--- a/assets/shaders/blinn_phong.vert
+++ b/assets/shaders/blinn_phong.vert
@@ -1,4 +1,4 @@
-#version 430 core
+#version 410 core
 
 struct Uniforms {
   mat4 model;
diff --git a/assets/shaders/cube.frag b/assets/shaders/cube.frag
index 292578f..88ba822 100644
--- a/assets/shaders/cube.frag
+++ b/assets/shaders/cube.frag
@@ -1,4 +1,4 @@
-#version 450
+#version 430
 
 layout(location = 0) in vec3 fragColor;
 layout(location = 1) in vec2 fragTexCoord;
diff --git a/assets/shaders/cube.vert b/assets/shaders/cube.vert
index fa9f85b..2f1d76d 100644
--- a/assets/shaders/cube.vert
+++ b/assets/shaders/cube.vert
@@ -1,4 +1,4 @@
-#version 450
+#version 430
 
 layout(binding = 0) uniform UniformBufferObject {
   mat4 model;
diff --git a/assets/shaders/triangle.metal b/assets/shaders/triangle.metal
new file mode 100644
index 0000000..6055705
--- /dev/null
+++ b/assets/shaders/triangle.metal
@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+
+struct VertexIn {
+  float2 position;
+  float3 color;
+};
+
+struct VertexOut {
+  float4 computedPosition [[position]];
+  float3 fragColor;
+};
+
+// Vertex shader
+vertex VertexOut basic_vertex(
+  const device VertexIn* vertex_array [[ buffer(0) ]],
+  unsigned int vid [[ vertex_id ]]
+  ) {
+  VertexIn v = vertex_array[vid];
+
+  VertexOut outVertex = VertexOut();
+  outVertex.computedPosition = float4(v.position.xy, 0.0, 1.0);
+  outVertex.fragColor = v.color;
+  return outVertex;
+}
+
+// Fragment shader
+fragment float4 basic_fragment(
+  VertexOut interpolated [[stage_in]]
+) { 
+  return float4(interpolated.fragColor, 1.0);
+}
\ No newline at end of file
diff --git a/assets/shaders/triangle.vert b/assets/shaders/triangle.vert
index 8030561..f98696c 100644
--- a/assets/shaders/triangle.vert
+++ b/assets/shaders/triangle.vert
@@ -1,4 +1,4 @@
-#version 450
+#version 430
 
 layout(location = 0) in vec2 inPos;
 layout(location = 1) in vec3 inColor;