Switch to 3D geometry

main.c

@@ -13,13 +13,15 @@
 #define H 600
 
 static const vertex_t vertices[] = {
-	{ { -1, -1 }, { 1, 0, 0 } },
-	{ { 1, -1 }, { 0, 1, 0 } },
-	{ { 1, 1 }, { 0, 0, 1 } },
-	{ { -1, 1 }, { 1, 1, 1 } },
+	{ { 0.000, 0.612, 0.000 }, { 1, 0, 0 } },
+	{ { -0.500, -0.204, -0.289 }, { 0, 1, 0 } },
+	{ { 0.500, -0.204, -0.289 }, { 0, 0, 1 } },
+	{ { 0.000, -0.204, 0.577 }, { 1, 1, 1 } },
 };
 
-static const uint16_t indices[] = { 0, 1, 2, 2, 3, 0 };
+static const uint16_t indices[] = {
+	0, 3, 1, 0, 1, 2, 0, 2, 3, 3, 2, 1,
+};
 
 typedef enum {
 	AXIS_X,
@@ -159,7 +161,7 @@ int main()
 	gpu_init(&gpu, &gpu_config);
 
 	mvp_t mvp = {
-		.model = ID,
+		.model = SCALE(2),
 		.view = TRANSLATE(0, 0, 4.0),
 	};
 	persp(mvp.proj, (float)W / H, M_PI / 6, 0.1, 10.0);