使用Vulkan画出第一个三角形

shaders/triangle.frag

@@ -0,0 +1,9 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+layout(location = 0) out vec4 outColor;
+
+
+void main() {
+    outColor = vec4(fragColor, 1.0);
+}

shaders/triangle.vert

@@ -0,0 +1,20 @@
+#version 450
+
+layout (location = 0) out vec3 fragColor;
+
+vec2 positions[3] = vec2[](
+        vec2(0.0,-0.5),
+        vec2(0.5,0.5),
+        vec2(-0.5,0.5)
+        );
+
+vec3 colors[3] = vec3[] (
+        vec3(1.0, 0.0, 0.0),
+        vec3(0.0, 1.0, 0.0),
+        vec3(0.0, 0.0, 1.0)
+        );
+
+void main() {
+    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    fragColor = colors[gl_VertexIndex];
+}