Graphics pipeline

Signed-off-by: Slendi <slendi@socopon.com>

shaders/triangle.vert

@@ -0,0 +1,21 @@
+#version 450
+
+layout (location = 0) out vec3 out_color;
+
+void main() {
+	const vec3 positions[3] = vec3[3](
+		vec3( 1.0f,  1.0f, 0.0f),
+		vec3(-1.0f,  1.0f, 0.0f),
+		vec3( 0.0f, -1.0f, 0.0f)
+	);
+
+	const vec3 colors[3] = vec3[3](
+		vec3(1.0f, 0.0f, 0.0f),
+		vec3(0.0f, 1.0f, 0.0f),
+		vec3(0.0f, 0.0f, 1.0f)
+	);
+
+	gl_Position = vec4(positions[gl_VertexIndex], 1.0f);
+	out_color = colors[gl_VertexIndex];
+}
+