VSYNC

renderer.odin

@@ -14,6 +14,7 @@ RENDER_BACKEND_METAL        :: #config(RENDER_BACKEND_METAL,        false)
 Renderer :: struct {
     viewport: Viewport,
     surface_ptr: rawptr,
+    vsync: bool,
     backend: rawptr,
 
     pipeline: Pipeline,
@@ -62,6 +63,8 @@ create :: proc(surface_ptr: rawptr) -> (^Renderer, bool) {
         return nil, false
     }
 
+    set_vsync(renderer, true)
+
     { // Create the fullscreen shaders, material and mesh.
         fs_vertex_shader, fs_vertex_shader_ok := create_shader(renderer, .Vertex, "fs_vertex.glsl")
         assert(fs_vertex_shader_ok)
@@ -114,6 +117,24 @@ set_viewport :: proc(renderer: ^Renderer, x, y, width, height: u16) {
     }
 }
 
+set_vsync :: proc(renderer: ^Renderer, on: bool) {
+    assert(renderer != nil)
+
+    if renderer.vsync == on {
+        return
+    }
+
+    success := false
+
+    when RENDER_BACKEND_OPENGL {
+        success = opengl_set_vsync(renderer, on)
+    }
+
+    if success {
+        renderer.vsync = on
+    }
+}
+
 @(private="file") set_clear_color :: proc(renderer: ^Renderer, color: Color) {
     when RENDER_BACKEND_OPENGL {
         opengl_set_clear_color(renderer, color)