[Xfce4-commits] [xfce/xfwm4] 02/07: compositor: Draw to back buffer

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   in repository xfce/xfwm4.

commit 97c051b865623cf7133d74d0281ed6ad1cf4c3d6
Author: Olivier Fourdan <fourdan at xfce.org>
Date:   Tue May 7 20:25:01 2019 +0200

    compositor: Draw to back buffer
    
    Draw the texture to the back buffer instead of the front buffer and
    `glXSwapBuffers()` will take care of swapping the back to front.
    
    Signed-off-by: Olivier Fourdan <fourdan at xfce.org>
---
 src/compositor.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/compositor.c b/src/compositor.c
index de15816..7ad9ef7 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1429,7 +1429,7 @@ unbind_glx_texture (ScreenInfo *screen_info)
     {
         TRACE ("unbinding GLX drawable 0x%lx", screen_info->glx_drawable);
         glXReleaseTexImageEXT (myScreenGetXDisplay (screen_info),
-                               screen_info->glx_drawable, GLX_FRONT_EXT);
+                               screen_info->glx_drawable, GLX_BACK_EXT);
         glXDestroyPixmap(myScreenGetXDisplay (screen_info), screen_info->glx_drawable);
         screen_info->glx_drawable = None;
     }
@@ -1497,7 +1497,7 @@ bind_glx_texture (ScreenInfo *screen_info, Pixmap pixmap)
            screen_info->glx_drawable, screen_info->rootTexture);
     enable_glx_texture (screen_info);
     glXBindTexImageEXT (myScreenGetXDisplay (screen_info),
-                        screen_info->glx_drawable, GLX_FRONT_EXT, NULL);
+                        screen_info->glx_drawable, GLX_BACK_EXT, NULL);
     glTexParameteri(screen_info->texture_type,
                     GL_TEXTURE_MIN_FILTER,
                     screen_info->texture_filter);
@@ -1573,7 +1573,7 @@ redraw_glx_texture (ScreenInfo *screen_info)
     TRACE ("releasing bind GLX pixmap 0x%lx to texture 0x%x",
            screen_info->glx_drawable, screen_info->rootTexture);
     glXReleaseTexImageEXT (myScreenGetXDisplay (screen_info),
-                           screen_info->glx_drawable, GLX_FRONT_EXT);
+                           screen_info->glx_drawable, GLX_BACK_EXT);
 
     glXWaitGL();
 

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