Send view and project matrices in push constant

main.c

@@ -62,32 +62,28 @@ int main(int argc, char *argv[])
 
 	const vec3_t cam = { 0, 4, -4 };
 	const vec3_t tgt = { 0, 0.5, 0 };
-	mvp_t mvp1 = {
-		.model = mat4_mul(
-		    MAT4_TRANSLATE(1, 0, 0),
-		    (mat4_t) {
-		        { 0, 0, -1, 0 },
-		        { -1, 0, 0, 0 },
-		        { 0, 1, 0, 0 },
-		        { 0, 0, 0, 1 },
-		    }),
-		.view = mat4_lookat(cam, tgt, (vec3_t) { 0, 1, 0 }),
-		.proj = mat4_perspective((float)W / H, PI / 8, 0.1, 10.0),
-	};
-	mvp_t mvp2 = {
-		.model = mat4_mul(
-		    MAT4_TRANSLATE(2, 0, 0),
-		    mat4_mul(
-		        MAT4_ROTATE_Y(PI),
-		        (mat4_t) {
-		            { 0, 0, -1, 0 },
-		            { -1, 0, 0, 0 },
-		            { 0, 1, 0, 0 },
-		            { 0, 0, 0, 1 },
-		        })),
+	const vp_t vp = {
 		.view = mat4_lookat(cam, tgt, (vec3_t) { 0, 1, 0 }),
 		.proj = mat4_perspective((float)W / H, PI / 8, 0.1, 10.0),
 	};
+	mat4_t transform1 = mat4_mul(
+	    MAT4_TRANSLATE(1, 0, 0),
+	    (mat4_t) {
+	        { 0, 0, -1, 0 },
+	        { -1, 0, 0, 0 },
+	        { 0, 1, 0, 0 },
+	        { 0, 0, 0, 1 },
+	    });
+	mat4_t transform2 = mat4_mul(
+	    MAT4_TRANSLATE(2, 0, 0),
+	    mat4_mul(
+	        MAT4_ROTATE_Y(PI),
+	        (mat4_t) {
+	            { 0, 0, -1, 0 },
+	            { -1, 0, 0, 0 },
+	            { 0, 1, 0, 0 },
+	            { 0, 0, 0, 1 },
+	        }));
 
 	const mat4_t rot1 = MAT4_ROTATE_Y(PI / 170);
 	const mat4_t rot2 = MAT4_ROTATE_Y(-PI / 340);
@@ -96,13 +92,13 @@ int main(int argc, char *argv[])
 	while (!glfwWindowShouldClose(window)) {
 		glfwPollEvents();
 
-		mvp1.model = mat4_mul(rot1, mvp1.model);
-		mvp2.model = mat4_mul(rot2, mvp2.model);
+		transform1 = mat4_mul(rot1, transform1);
+		transform2 = mat4_mul(rot2, transform2);
 		animation_update(&anim, &model, DT);
 
-		gpu_render_begin(&gpu);
-		gpu_render_model(&gpu, &gpu_model1, &mvp1, anim.bone_matrices);
-		gpu_render_model(&gpu, &gpu_model2, &mvp2, anim.bone_matrices);
+		gpu_render_begin(&gpu, vp);
+		gpu_render_model(&gpu, &gpu_model1, anim.bone_matrices, transform1);
+		gpu_render_model(&gpu, &gpu_model2, anim.bone_matrices, transform2);
 		gpu_render_submit(&gpu);
 	}