compositor: Don't use glClear for clearing

Draw solid color rectangles clipped to the repaint area instead.

diff --git a/compositor/compositor.c b/compositor/compositor.c
index 8a25b46..d8fc906 100644 (file)
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -687,8 +687,14 @@ fade_output(struct wlsc_output *output,
        surface.y = output->y;
        surface.width = output->width;
        surface.height = output->height;
-       surface.visual = &compositor->compositor.premultiplied_argb_visual;
        surface.texture = GL_NONE;
+
+       if (tint <= 1.0)
+               surface.visual =
+                       &compositor->compositor.premultiplied_argb_visual;
+       else
+               surface.visual = &compositor->compositor.rgb_visual;
+
        glUseProgram(compositor->solid_shader.program);
        glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
                           1, GL_FALSE, output->matrix.d);
@@ -767,8 +773,9 @@ wlsc_output_repaint(struct wlsc_output *output)
                        wlsc_surface_draw(output->background,
                                          output, &total_damage);
                else
-                       glClear(GL_COLOR_BUFFER_BIT);
+                       fade_output(output, 1.0, &total_damage);
 
+               glUseProgram(ec->texture_shader.program);
                wl_list_for_each_reverse(es, &ec->surface_list, link) {
                        if (ec->overlay == es)
                                continue;