sys/glsink/: Rename glvideo.[ch] to gstgldisplay.[ch].

Original commit message from CVS:
* sys/glsink/Makefile.am:
* sys/glsink/glimagesink.h:
* sys/glsink/glvideo.c:
* sys/glsink/glvideo.h:
* sys/glsink/gstglbuffer.c:
* sys/glsink/gstglbuffer.h:
* sys/glsink/gstgldisplay.c:
* sys/glsink/gstgldisplay.h:
Rename glvideo.[ch] to gstgldisplay.[ch].

1 files changed, 870 insertions, 0 deletions

diff --git a/sys/glsink/gstgldisplay.c b/sys/glsink/gstgldisplay.c
new file mode 100644
index 00000000..7b1c39b2
--- /dev/null
+++ b/sys/glsink/gstgldisplay.c
@@ -0,0 +1,870 @@
+/* gstgldisplay.c
+ * Copyright (C) 2007 David A. Schleef <ds@schleef.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstgldisplay.h"
+#include "glextensions.h"
+#include <gst/gst.h>
+
+#include <string.h>
+
+static void gst_gl_display_finalize (GObject * object);
+static void gst_gl_display_init_tmp_window (GstGLDisplay * display);
+
+GST_BOILERPLATE (GstGLDisplay, gst_gl_display, GObject, G_TYPE_OBJECT);
+
+static void
+gst_gl_display_base_init (gpointer g_class)
+{
+
+}
+
+static void
+gst_gl_display_class_init (GstGLDisplayClass * klass)
+{
+  G_OBJECT_CLASS (klass)->finalize = gst_gl_display_finalize;
+}
+
+static void
+gst_gl_display_init (GstGLDisplay * display, GstGLDisplayClass * klass)
+{
+
+  display->lock = g_mutex_new ();
+
+}
+
+static void
+gst_gl_display_finalize (GObject * object)
+{
+  GstGLDisplay *display = GST_GL_DISPLAY (object);
+
+  if (display->assigned_window == None) {
+    XDestroyWindow (display->display, display->window);
+  }
+  if (display->context) {
+    glXDestroyContext (display->display, display->context);
+  }
+  if (display->visinfo) {
+    XFree (display->visinfo);
+  }
+  if (display->display) {
+    XCloseDisplay (display->display);
+  }
+
+  if (display->lock) {
+    g_mutex_free (display->lock);
+  }
+}
+
+static gboolean gst_gl_display_check_features (GstGLDisplay * display);
+
+GstGLDisplay *
+gst_gl_display_new (void)
+{
+  return g_object_new (GST_TYPE_GL_DISPLAY, NULL);
+}
+
+#define HANDLE_X_ERRORS
+#ifdef HANDLE_X_ERRORS
+static int
+x_error_handler (Display * display, XErrorEvent * event)
+{
+  g_assert_not_reached ();
+}
+#endif
+
+gboolean
+gst_gl_display_connect (GstGLDisplay * display, const char *display_name)
+{
+  gboolean usable;
+  XGCValues values;
+  XPixmapFormatValues *px_formats;
+  int n_formats;
+  int i;
+
+  display->display = XOpenDisplay (display_name);
+  if (display->display == NULL) {
+    return FALSE;
+  }
+#ifdef HANDLE_X_ERRORS
+  XSynchronize (display->display, True);
+  XSetErrorHandler (x_error_handler);
+#endif
+
+  usable = gst_gl_display_check_features (display);
+  if (!usable) {
+    return FALSE;
+  }
+
+  display->screen = DefaultScreenOfDisplay (display->display);
+  display->screen_num = DefaultScreen (display->display);
+  display->visual = DefaultVisual (display->display, display->screen_num);
+  display->root = DefaultRootWindow (display->display);
+  display->white = XWhitePixel (display->display, display->screen_num);
+  display->black = XBlackPixel (display->display, display->screen_num);
+  display->depth = DefaultDepthOfScreen (display->screen);
+
+  display->gc = XCreateGC (display->display,
+      DefaultRootWindow (display->display), 0, &values);
+
+  px_formats = XListPixmapFormats (display->display, &n_formats);
+  for (i = 0; i < n_formats; i++) {
+    GST_DEBUG ("%d: depth %d bpp %d pad %d", i,
+        px_formats[i].depth,
+        px_formats[i].bits_per_pixel, px_formats[i].scanline_pad);
+  }
+
+  gst_gl_display_init_tmp_window (display);
+
+  return TRUE;
+}
+
+static gboolean
+gst_gl_display_check_features (GstGLDisplay * display)
+{
+  gboolean ret;
+  XVisualInfo *visinfo;
+  Screen *screen;
+  Window root;
+  int scrnum;
+  int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 8,
+    GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, None
+  };
+  XSetWindowAttributes attr;
+  int error_base;
+  int event_base;
+  int mask;
+  const char *extstring;
+  Window window;
+
+  screen = XDefaultScreenOfDisplay (display->display);
+  scrnum = XScreenNumberOfScreen (screen);
+  root = XRootWindow (display->display, scrnum);
+
+  ret = glXQueryExtension (display->display, &error_base, &event_base);
+  if (!ret) {
+    GST_DEBUG ("No GLX extension");
+    return FALSE;
+  }
+
+  visinfo = glXChooseVisual (display->display, scrnum, attrib);
+  if (visinfo == NULL) {
+    GST_DEBUG ("No usable visual");
+    return FALSE;
+  }
+
+  display->visinfo = visinfo;
+
+  display->context = glXCreateContext (display->display, visinfo, NULL, True);
+
+  attr.background_pixel = 0;
+  attr.border_pixel = 0;
+  attr.colormap = XCreateColormap (display->display, root,
+      visinfo->visual, AllocNone);
+  attr.event_mask = StructureNotifyMask | ExposureMask;
+  attr.override_redirect = True;
+
+  mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
+
+  window = XCreateWindow (display->display, root, 0, 0,
+      100, 100, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
+
+  XSync (display->display, FALSE);
+
+  glXMakeCurrent (display->display, window, display->context);
+
+  glGetIntegerv (GL_MAX_TEXTURE_SIZE, &display->max_texture_size);
+
+  extstring = (const char *) glGetString (GL_EXTENSIONS);
+
+  display->have_ycbcr_texture = FALSE;
+#ifdef GL_YCBCR_MESA
+  if (strstr (extstring, "GL_MESA_ycbcr_texture")) {
+    display->have_ycbcr_texture = TRUE;
+  }
+#endif
+
+  display->have_color_matrix = FALSE;
+#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
+  if (strstr (extstring, "GL_SGI_color_matrix")) {
+    display->have_color_matrix = TRUE;
+  }
+#endif
+
+  display->have_texture_rectangle = FALSE;
+#ifdef GL_TEXTURE_RECTANGLE_ARB
+  if (strstr (extstring, "GL_ARB_texture_rectangle")) {
+    display->have_texture_rectangle = TRUE;
+  }
+#endif
+
+  glXMakeCurrent (display->display, None, NULL);
+  XDestroyWindow (display->display, window);
+
+  return TRUE;
+}
+
+gboolean
+gst_gl_display_can_handle_type (GstGLDisplay * display, GstVideoFormat type)
+{
+  switch (type) {
+    case GST_VIDEO_FORMAT_RGBx:
+    case GST_VIDEO_FORMAT_BGRx:
+    case GST_VIDEO_FORMAT_xRGB:
+    case GST_VIDEO_FORMAT_xBGR:
+      return TRUE;
+    case GST_VIDEO_FORMAT_YUY2:
+    case GST_VIDEO_FORMAT_UYVY:
+      return display->have_ycbcr_texture;
+    case GST_VIDEO_FORMAT_AYUV:
+      return display->have_color_matrix;
+    default:
+      return FALSE;
+  }
+}
+
+void
+gst_gl_display_lock (GstGLDisplay * display)
+{
+  g_mutex_lock (display->lock);
+  glXMakeCurrent (display->display, display->window, display->context);
+  gst_gl_display_check_error (display, __LINE__);
+}
+
+void
+gst_gl_display_unlock (GstGLDisplay * display)
+{
+  gst_gl_display_check_error (display, __LINE__);
+  glXMakeCurrent (display->display, None, NULL);
+  g_mutex_unlock (display->lock);
+}
+
+static void
+gst_gl_display_init_tmp_window (GstGLDisplay * display)
+{
+  XSetWindowAttributes attr = { 0 };
+  int scrnum;
+  int mask;
+  Window root;
+  Screen *screen;
+
+  GST_ERROR ("creating temp window");
+
+  screen = XDefaultScreenOfDisplay (display->display);
+  scrnum = XScreenNumberOfScreen (screen);
+  root = XRootWindow (display->display, scrnum);
+
+  attr.background_pixel = 0;
+  attr.border_pixel = 0;
+  attr.colormap = XCreateColormap (display->display, root,
+      display->visinfo->visual, AllocNone);
+  attr.override_redirect = False;
+#if 0
+  if (display->parent_window) {
+    attr.override_redirect = True;
+  }
+#endif
+
+  mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
+
+  display->window = XCreateWindow (display->display,
+      root, 0, 0, 100, 100,
+      0, display->visinfo->depth, InputOutput,
+      display->visinfo->visual, mask, &attr);
+  XMapWindow (display->display, display->window);
+  XSync (display->display, FALSE);
+}
+
+static void
+gst_gl_display_destroy_tmp_window (GstGLDisplay * display)
+{
+  XDestroyWindow (display->display, display->window);
+}
+
+void
+gst_gl_display_set_window (GstGLDisplay * display, Window window)
+{
+  g_mutex_lock (display->lock);
+
+  if (window != display->assigned_window) {
+    if (display->assigned_window == None) {
+      gst_gl_display_destroy_tmp_window (display);
+    }
+    display->assigned_window = window;
+    if (display->assigned_window == None) {
+      gst_gl_display_init_tmp_window (display);
+    } else {
+      display->window = window;
+    }
+  }
+
+  g_mutex_unlock (display->lock);
+}
+
+void
+gst_gl_display_update_attributes (GstGLDisplay * display)
+{
+  XWindowAttributes attr;
+
+  if (display->window != None) {
+    XGetWindowAttributes (display->display, display->window, &attr);
+    display->win_width = attr.width;
+    display->win_height = attr.height;
+  } else {
+    display->win_width = 0;
+    display->win_height = 0;
+  }
+}
+
+void
+gst_gl_display_clear (GstGLDisplay * display)
+{
+  gst_gl_display_lock (display);
+
+  glDepthFunc (GL_LESS);
+  glEnable (GL_DEPTH_TEST);
+  glClearColor (0.2, 0.2, 0.2, 1.0);
+  glViewport (0, 0, display->win_width, display->win_height);
+
+  gst_gl_display_unlock (display);
+}
+
+void
+gst_gl_display_check_error (GstGLDisplay * display, int line)
+{
+  GLenum err = glGetError ();
+
+  if (err) {
+    GST_ERROR ("GL Error 0x%x at line %d", (int) err, line);
+    g_assert (0);
+  }
+}
+
+
+GLuint
+gst_gl_display_upload_texture_rectangle (GstGLDisplay * display,
+    GstVideoFormat type, void *data, int width, int height)
+{
+  GLuint texture;
+
+  glGenTextures (1, &texture);
+  glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
+
+  switch (type) {
+    case GST_VIDEO_FORMAT_RGBx:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_BGRx:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_xRGB:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_xBGR:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_YUY2:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    default:
+      g_assert_not_reached ();
+  }
+
+  return texture;
+}
+
+
+static void
+draw_rect_texture (GstGLDisplay * display, GstVideoFormat type,
+    void *data, int width, int height)
+{
+  GLuint texture;
+
+  GST_DEBUG ("using rectangular texture");
+
+#ifdef GL_TEXTURE_RECTANGLE_ARB
+  glEnable (GL_TEXTURE_RECTANGLE_ARB);
+  //glGenTextures (1, &texture);
+  //glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
+
+  texture = gst_gl_display_upload_texture_rectangle (display, type,
+      data, width, height);
+
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+#if 0
+  switch (type) {
+    case GST_VIDEO_FORMAT_RGBx:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_BGRx:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_xRGB:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_xBGR:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_YUY2:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    default:
+      g_assert_not_reached ();
+  }
+
+#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
+  if (type == GST_VIDEO_FORMAT_AYUV) {
+    const double matrix[16] = {
+      1, 1, 1, 0,
+      0, -0.344 * 1, 1.770 * 1, 0,
+      1.403 * 1, -0.714 * 1, 0, 0,
+      0, 0, 0, 1
+    };
+    glMatrixMode (GL_COLOR);
+    glLoadMatrixd (matrix);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
+  }
+#endif
+#endif
+
+  glColor4f (1, 0, 1, 1);
+  glBegin (GL_QUADS);
+
+  glNormal3f (0, 0, -1);
+
+  glTexCoord2f (width, 0);
+  glVertex3f (1.0, 1.0, 0);
+  glTexCoord2f (0, 0);
+  glVertex3f (-1.0, 1.0, 0);
+  glTexCoord2f (0, height);
+  glVertex3f (-1.0, -1.0, 0);
+  glTexCoord2f (width, height);
+  glVertex3f (1.0, -1.0, 0);
+  glEnd ();
+  glDeleteTextures (1, &texture);
+#else
+  g_assert_not_reached ();
+#endif
+}
+
+static void
+draw_pow2_texture (GstGLDisplay * display, GstVideoFormat type,
+    void *data, int width, int height)
+{
+  int pow2_width;
+  int pow2_height;
+  double x, y;
+  GLuint texture;
+
+  GST_DEBUG ("using power-of-2 texture");
+
+  for (pow2_height = 64;
+      pow2_height < height && pow2_height > 0; pow2_height <<= 1);
+  for (pow2_width = 64; pow2_width < width && pow2_width > 0; pow2_width <<= 1);
+
+  glEnable (GL_TEXTURE_2D);
+  glGenTextures (1, &texture);
+  glBindTexture (GL_TEXTURE_2D, texture);
+  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+  switch (type) {
+    case GST_VIDEO_FORMAT_RGBx:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_BGRx:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_BYTE, data);
+      break;
+    case GST_VIDEO_FORMAT_xRGB:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_xBGR:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    case GST_VIDEO_FORMAT_YUY2:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
+          0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
+          0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
+          GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
+      break;
+    default:
+      g_assert_not_reached ();
+  }
+
+#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
+  if (type == GST_VIDEO_FORMAT_AYUV) {
+    const double matrix[16] = {
+      1, 1, 1, 0,
+      0, -0.344 * 1, 1.770 * 1, 0,
+      1.403 * 1, -0.714 * 1, 0, 0,
+      0, 0, 0, 1
+    };
+    glMatrixMode (GL_COLOR);
+    glLoadMatrixd (matrix);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
+    glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
+  }
+#endif
+
+  glColor4f (1, 0, 1, 1);
+  glBegin (GL_QUADS);
+
+  glNormal3f (0, 0, -1);
+
+  x = (double) width / pow2_width;
+  y = (double) height / pow2_height;
+
+  glTexCoord2f (x, 0);
+  glVertex3f (1.0, 1.0, 0);
+  glTexCoord2f (0, 0);
+  glVertex3f (-1.0, 1.0, 0);
+  glTexCoord2f (0, y);
+  glVertex3f (-1.0, -1.0, 0);
+  glTexCoord2f (x, y);
+  glVertex3f (1.0, -1.0, 0);
+  glEnd ();
+  glDeleteTextures (1, &texture);
+}
+
+void
+gst_gl_display_draw_image (GstGLDisplay * display, GstVideoFormat type,
+    void *data, int width, int height)
+{
+  g_return_if_fail (data != NULL);
+  g_return_if_fail (width > 0);
+  g_return_if_fail (height > 0);
+
+  gst_gl_display_lock (display);
+
+#if 0
+  /* Doesn't work */
+  {
+    int64_t ust = 1234;
+    int64_t mst = 1234;
+    int64_t sbc = 1234;
+    gboolean ret;
+
+    ret = glXGetSyncValuesOML (display->display, display->window,
+        &ust, &mst, &sbc);
+    GST_DEBUG ("sync values %d %lld %lld %lld", ret, ust, mst, sbc);
+  }
+#endif
+
+#if 0
+  /* Does work, but is not relevant */
+  {
+    int32_t num = 1234;
+    int32_t den = 1234;
+    gboolean ret;
+
+    ret = glXGetMscRateOML (display->display, display->window, &num, &den);
+    GST_DEBUG ("rate %d %d %d", ret, num, den);
+  }
+#endif
+
+  gst_gl_display_update_attributes (display);
+
+  //glXSwapIntervalSGI (1);
+  glViewport (0, 0, display->win_width, display->win_height);
+
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glMatrixMode (GL_PROJECTION);
+  glLoadIdentity ();
+
+  glMatrixMode (GL_MODELVIEW);
+  glLoadIdentity ();
+
+  glDisable (GL_CULL_FACE);
+  glEnableClientState (GL_TEXTURE_COORD_ARRAY);
+
+  glColor4f (1, 1, 1, 1);
+
+  if (display->have_texture_rectangle) {
+    draw_rect_texture (display, type, data, width, height);
+  } else {
+    draw_pow2_texture (display, type, data, width, height);
+  }
+
+  glXSwapBuffers (display->display, display->window);
+#if 0
+  /* Doesn't work */
+  {
+    ret = glXSwapBuffersMscOML (display->display, display->window, 0, 1, 0);
+    if (ret == 0) {
+      GST_DEBUG ("glXSwapBuffersMscOML failed");
+    }
+  }
+#endif
+
+  gst_gl_display_unlock (display);
+}
+
+void
+gst_gl_display_draw_rbo (GstGLDisplay * display, GLuint rbo,
+    int width, int height)
+{
+  GLuint texture;
+  GLuint fbo;
+
+  g_return_if_fail (width > 0);
+  g_return_if_fail (height > 0);
+  g_return_if_fail (rbo != None);
+
+  gst_gl_display_lock (display);
+
+  g_assert (display->window != None);
+  g_assert (display->context != NULL);
+
+  gst_gl_display_update_attributes (display);
+
+  glViewport (0, 0, display->win_width, display->win_height);
+
+  glClearColor (0.3, 0.3, 0.3, 1.0);
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glMatrixMode (GL_PROJECTION);
+  glLoadIdentity ();
+
+  glMatrixMode (GL_MODELVIEW);
+  glLoadIdentity ();
+
+  glDisable (GL_CULL_FACE);
+  glEnableClientState (GL_TEXTURE_COORD_ARRAY);
+
+  glColor4f (1, 1, 1, 1);
+
+  glGenFramebuffersEXT (1, &fbo);
+  glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
+
+  glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT,
+      GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, rbo);
+
+  glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
+  glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
+
+  g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
+      GL_FRAMEBUFFER_COMPLETE_EXT);
+
+#if 1
+  {
+    void *buffer;
+
+    buffer = malloc (320 * 240 * 4);
+    memset (buffer, random (), 320 * 240 * 4);
+    free (buffer);
+  }
+#endif
+
+  glEnable (GL_TEXTURE_RECTANGLE_ARB);
+  glGenTextures (1, &texture);
+  glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
+  glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, width, height, 0,
+      GL_RGB, GL_UNSIGNED_BYTE, NULL);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+  glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+      GL_TEXTURE_RECTANGLE_ARB, texture, 0);
+
+  glDrawBuffer (0);
+  glReadBuffer (0);
+  glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0);
+  glColor4f (1, 0, 1, 1);
+  gst_gl_display_check_error (display, __LINE__);
+//glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0);
+  glBegin (GL_QUADS);
+
+  glNormal3f (0, 0, -1);
+
+  glTexCoord2f (width, 0);
+  glVertex3f (0.9, 0.9, 0);
+  glTexCoord2f (0, 0);
+  glVertex3f (-0.9, 0.9, 0);
+  glTexCoord2f (0, height);
+  glVertex3f (-0.9, -0.9, 0);
+  glTexCoord2f (width, height);
+  glVertex3f (0.9, -0.9, 0);
+  glEnd ();
+  gst_gl_display_check_error (display, __LINE__);
+  glDeleteTextures (1, &texture);
+
+  glDeleteFramebuffersEXT (1, &fbo);
+  gst_gl_display_check_error (display, __LINE__);
+
+  glXSwapBuffers (display->display, display->window);
+
+  gst_gl_display_unlock (display);
+}
+
+void
+gst_gl_display_draw_texture (GstGLDisplay * display, GLuint texture,
+    int width, int height)
+{
+  g_return_if_fail (width > 0);
+  g_return_if_fail (height > 0);
+  g_return_if_fail (texture != None);
+
+  gst_gl_display_lock (display);
+
+  g_assert (display->window != None);
+  g_assert (display->context != NULL);
+
+  gst_gl_display_update_attributes (display);
+
+  glViewport (0, 0, display->win_width, display->win_height);
+
+  glClearColor (0.3, 0.3, 0.3, 1.0);
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glMatrixMode (GL_PROJECTION);
+  glLoadIdentity ();
+
+  glMatrixMode (GL_MODELVIEW);
+  glLoadIdentity ();
+
+  glDisable (GL_CULL_FACE);
+  glEnableClientState (GL_TEXTURE_COORD_ARRAY);
+
+  glColor4f (1, 1, 1, 1);
+
+  glEnable (GL_TEXTURE_RECTANGLE_ARB);
+  glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+  glColor4f (1, 0, 1, 1);
+  gst_gl_display_check_error (display, __LINE__);
+  glBegin (GL_QUADS);
+
+  glNormal3f (0, 0, -1);
+
+  glTexCoord2f (width, 0);
+  glVertex3f (0.9, 0.9, 0);
+  glTexCoord2f (0, 0);
+  glVertex3f (-0.9, 0.9, 0);
+  glTexCoord2f (0, height);
+  glVertex3f (-0.9, -0.9, 0);
+  glTexCoord2f (width, height);
+  glVertex3f (0.9, -0.9, 0);
+  glEnd ();
+  gst_gl_display_check_error (display, __LINE__);
+
+  glXSwapBuffers (display->display, display->window);
+
+  gst_gl_display_unlock (display);
+}