Fix regression around OpenGL swapchain optimisation for OpenXR

drivers/gles3/rasterizer_gles3.cpp

@@ -107,7 +107,7 @@ void RasterizerGLES3::end_frame(bool p_swap_buffers) {
 	utils->capture_timestamps_end();
 }
 
-void RasterizerGLES3::end_viewport(bool p_swap_buffers) {
+void RasterizerGLES3::gl_end_frame(bool p_swap_buffers) {
 	if (p_swap_buffers) {
 		DisplayServer::get_singleton()->swap_buffers();
 	} else {
@@ -491,7 +491,7 @@ void RasterizerGLES3::set_boot_image(const Ref<Image> &p_image, const Color &p_c
 	copy_effects->copy_to_rect(screenrect);
 	glBindTexture(GL_TEXTURE_2D, 0);
 
-	end_viewport(true);
+	gl_end_frame(true);
 
 	texture_storage->texture_free(texture);
 }

drivers/gles3/rasterizer_gles3.h

@@ -99,7 +99,7 @@ public:
 
 	void blit_render_targets_to_screen(DisplayServer::WindowID p_screen, const BlitToScreen *p_render_targets, int p_amount);
 
-	void end_viewport(bool p_swap_buffers);
+	void gl_end_frame(bool p_swap_buffers);
 	void end_frame(bool p_swap_buffers);
 
 	void finalize();

servers/rendering/dummy/rasterizer_dummy.h

@@ -88,7 +88,7 @@ public:
 
 	void blit_render_targets_to_screen(int p_screen, const BlitToScreen *p_render_targets, int p_amount) override {}
 
-	void end_viewport(bool p_swap_buffers) override {}
+	void gl_end_frame(bool p_swap_buffers) override {}
 
 	void end_frame(bool p_swap_buffers) override {
 		if (p_swap_buffers) {

servers/rendering/renderer_compositor.h

@@ -98,7 +98,7 @@ public:
 
 	virtual void blit_render_targets_to_screen(DisplayServer::WindowID p_screen, const BlitToScreen *p_render_targets, int p_amount) = 0;
 
-	virtual void end_viewport(bool p_swap_buffers) = 0;
+	virtual void gl_end_frame(bool p_swap_buffers) = 0;
 	virtual void end_frame(bool p_swap_buffers) = 0;
 	virtual void finalize() = 0;
 	virtual uint64_t get_frame_number() const = 0;

servers/rendering/renderer_rd/renderer_compositor_rd.h

@@ -122,7 +122,7 @@ public:
 	void begin_frame(double frame_step);
 	void blit_render_targets_to_screen(DisplayServer::WindowID p_screen, const BlitToScreen *p_render_targets, int p_amount);
 
-	void end_viewport(bool p_swap_buffers) {}
+	void gl_end_frame(bool p_swap_buffers) {}
 	void end_frame(bool p_swap_buffers);
 	void finalize();
 

servers/rendering/renderer_viewport.cpp

@@ -786,6 +786,7 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 					if (OS::get_singleton()->get_current_rendering_driver_name().begins_with("opengl3")) {
 						if (blits.size() > 0) {
 							RSG::rasterizer->blit_render_targets_to_screen(vp->viewport_to_screen, blits.ptr(), blits.size());
+							RSG::rasterizer->gl_end_frame(p_swap_buffers);
 						}
 					} else if (blits.size() > 0) {
 						if (!blit_to_screen_list.has(vp->viewport_to_screen)) {
@@ -796,7 +797,6 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 							blit_to_screen_list[vp->viewport_to_screen].push_back(blits[b]);
 						}
 					}
-					RSG::rasterizer->end_viewport(p_swap_buffers && blits.size() > 0);
 				}
 			}
 		} else
@@ -826,10 +826,10 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
 					Vector<BlitToScreen> blit_to_screen_vec;
 					blit_to_screen_vec.push_back(blit);
 					RSG::rasterizer->blit_render_targets_to_screen(vp->viewport_to_screen, blit_to_screen_vec.ptr(), 1);
+					RSG::rasterizer->gl_end_frame(p_swap_buffers);
 				} else {
 					blit_to_screen_list[vp->viewport_to_screen].push_back(blit);
 				}
-				RSG::rasterizer->end_viewport(p_swap_buffers);
 			}
 		}