all: implement output transforms

src/gfx_apis/gl/renderer/framebuffer.rs

@@ -97,7 +97,7 @@ impl GfxFramebuffer for Framebuffer {
         ops
     }
 
-    fn size(&self) -> (i32, i32) {
+    fn physical_size(&self) -> (i32, i32) {
         (self.gl.width, self.gl.height)
     }
 

src/gfx_apis/vulkan/image.rs

@@ -524,7 +524,7 @@ impl GfxFramebuffer for VulkanImage {
         self.render_ops.take()
     }
 
-    fn size(&self) -> (i32, i32) {
+    fn physical_size(&self) -> (i32, i32) {
         (self.width as _, self.height as _)
     }