Synchronize after subtracting damage from windows

[geometrycompositor.git] / source / main.c

diff --git a/source/main.c b/source/main.c
index 30833db0cf7854cc1749a2c789e71a8a71506020..185c6b4b7bd609e35cfaaa8f28cd7e77fda2e87b 100644 (file)
--- a/source/main.c
+++ b/source/main.c
@@ -271,13 +271,11 @@ unsigned create_2d_texture()
        return texture;
 }
 
-int create_gl_resources(Compositor *compositor, CompositedScreen *screen)
+int create_gl_resources(CompositedScreen *screen)
 {
        unsigned stride;
        int loc;
 
-       use_gl(compositor, screen);
-
        screen->shaders[0] = compile_shader(GL_VERTEX_SHADER, vshader_src);
        screen->shaders[1] = compile_shader(GL_FRAGMENT_SHADER, fshader_src);
        screen->shaders[2] = compile_shader(GL_FRAGMENT_SHADER, masked_fshader_src);
@@ -830,7 +828,9 @@ int initialize_screen(Compositor *compositor, unsigned number)
        if(!initialize_gl(compositor, screen))
                return 0;
 
-       if(!create_gl_resources(compositor, screen))
+       use_gl(compositor, screen);
+
+       if(!create_gl_resources(screen))
                return 0;
 
        xrr_res = XRRGetScreenResources(compositor->display, screen->root);
@@ -1007,7 +1007,10 @@ void process_destroy_window_event(Compositor *compositor, XDestroyWindowEvent *e
 
        if((screen = find_screen_by_root(compositor, event->event)))
                if((window = find_window(screen, event->window)))
+               {
+                       use_gl(compositor, screen);
                        remove_window(compositor, screen, window, 1);
+               }
 }
 
 void process_map_event(Compositor *compositor, XMapEvent *event)
@@ -1192,6 +1195,11 @@ void refresh_screen(Compositor *compositor, CompositedScreen *screen)
        unsigned i;
        int use_mask;
 
+       for(i=0; i<screen->nwindows; ++i)
+               if(screen->windows[i].map_state==IsViewable)
+                       XDamageSubtract(compositor->display, screen->windows[i].damage, None, None);
+       glXWaitX();
+
        use_gl(compositor, screen);
 
        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, screen->framebuffer);
@@ -1222,8 +1230,6 @@ void refresh_screen(Compositor *compositor, CompositedScreen *screen)
                        glActiveTexture(GL_TEXTURE0);
                }
 
-               XDamageSubtract(compositor->display, window->damage, None, None);
-
                if(window->recreate_pixmap)
                        create_window_pixmap(compositor, screen, window);
                if(window->recreate_mask)