3 files changed, 13 insertions, 3 deletions
diff --git a/client/x11/platform.cpp b/client/x11/platform.cpp
index da6b6342..475ee6a9 100644
--- a/client/x11/platform.cpp
+++ b/client/x11/platform.cpp
@@ -3224,7 +3224,7 @@ void Platform::init()
         int num_configs;
         int attrlist[] = {
             GLX_RENDER_TYPE, GLX_RGBA_BIT,
-            GLX_DOUBLEBUFFER, False,
+            GLX_DOUBLEBUFFER, True,
             GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT | GLX_WINDOW_BIT,
             GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR,
             GLX_RED_SIZE, 8,
diff --git a/client/x11/red_pixmap_gl.cpp b/client/x11/red_pixmap_gl.cpp
index 693b67d1..1a586286 100644
--- a/client/x11/red_pixmap_gl.cpp
+++ b/client/x11/red_pixmap_gl.cpp
@@ -79,8 +79,6 @@ RedPixmapGL::RedPixmapGL(int width, int height, RedDrawable::Format format,
             glXDestroyContext(XPlatform::get_display(), _glcont);
             THROW("no GL_EXT_framebuffer_object extension");
         }
-        glDrawBuffer(GL_FRONT);
-        glReadBuffer(GL_FRONT);
 
         glGenTextures(1, &tex);
         glBindTexture(GL_TEXTURE_2D, tex);
diff --git a/client/x11/red_window.cpp b/client/x11/red_window.cpp
index 83144a54..b6e11e14 100644
--- a/client/x11/red_window.cpp
+++ b/client/x11/red_window.cpp
@@ -2122,6 +2122,18 @@ void RedWindow::untouch_context()
     glXMakeCurrent(x_display, 0, 0);
 }
 
+void RedWindow::swap_gl()
+{
+    PixelsSource_p *pix_source = (PixelsSource_p*)get_opaque();
+    RedGlContext context = pix_source->x_drawable.context;
+
+    if (!context)
+        return;
+
+    glXMakeCurrent(x_display, get_window(), context);
+    glXSwapBuffers(x_display, get_window());
+}
+
 void RedWindow::set_type_gl()
 {
     PixelsSource_p *pix_source = (PixelsSource_p*)get_opaque();