mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-05 16:06:43 +00:00
3e13fc4f88
The FBConfig's were being leaked. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6160>
1053 lines
32 KiB
C
1053 lines
32 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#define GLIB_DISABLE_DEPRECATION_WARNINGS
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* FIXME: Sharing contexts requires the Display to be the same.
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* May need to box it
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*/
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#include <gst/gst.h>
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#include "../gstgl_fwd.h"
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#include <gst/gl/gstglcontext.h>
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#include <gst/gl/gl.h>
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#include "gstglcontext_glx.h"
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#include "../utils/opengl_versions.h"
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#include "../gstglcontext_private.h"
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#define GST_CAT_DEFAULT gst_gl_context_debug
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static guintptr gst_gl_context_glx_get_gl_context (GstGLContext * context);
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static void gst_gl_context_glx_swap_buffers (GstGLContext * context);
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static gboolean gst_gl_context_glx_activate (GstGLContext * context,
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gboolean activate);
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static gboolean gst_gl_context_glx_create_context (GstGLContext *
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context, GstGLAPI gl_api, GstGLContext * other_context, GError ** error);
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static void gst_gl_context_glx_destroy_context (GstGLContext * context);
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static gboolean gst_gl_context_glx_choose_format (GstGLContext *
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context, GError ** error);
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static GstGLAPI gst_gl_context_glx_get_gl_api (GstGLContext * context);
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static GstGLPlatform gst_gl_context_glx_get_gl_platform (GstGLContext *
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context);
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static void gst_gl_context_glx_get_gl_platform_version (GstGLContext * context,
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gint * major, gint * minor);
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static GstStructure *gst_gl_context_glx_get_config (GstGLContext * context);
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static gboolean gst_gl_context_glx_request_config (GstGLContext * context,
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GstStructure * config);
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struct _GstGLContextGLXPrivate
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{
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int glx_major;
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int glx_minor;
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GstGLAPI context_api;
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GLXFBConfig *fbconfigs;
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GLXContext (*glXCreateContextAttribsARB) (Display *, GLXFBConfig,
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GLXContext, Bool, const int *);
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GstStructure *requested_config;
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};
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#define gst_gl_context_glx_parent_class parent_class
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G_DEFINE_TYPE_WITH_PRIVATE (GstGLContextGLX, gst_gl_context_glx,
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GST_TYPE_GL_CONTEXT);
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static void
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gst_gl_context_glx_class_init (GstGLContextGLXClass * klass)
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{
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GstGLContextClass *context_class = (GstGLContextClass *) klass;
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context_class->get_gl_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_gl_context);
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context_class->activate = GST_DEBUG_FUNCPTR (gst_gl_context_glx_activate);
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context_class->create_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_create_context);
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context_class->destroy_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_destroy_context);
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context_class->choose_format =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_choose_format);
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context_class->swap_buffers =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_swap_buffers);
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context_class->get_gl_api = GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_gl_api);
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context_class->get_gl_platform =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_gl_platform);
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context_class->get_proc_address =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_proc_address);
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context_class->get_current_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_current_context);
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context_class->get_gl_platform_version =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_gl_platform_version);
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context_class->get_config = GST_DEBUG_FUNCPTR (gst_gl_context_glx_get_config);
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context_class->request_config =
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GST_DEBUG_FUNCPTR (gst_gl_context_glx_request_config);
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}
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static void
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gst_gl_context_glx_init (GstGLContextGLX * context)
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{
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context->priv = gst_gl_context_glx_get_instance_private (context);
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}
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GstGLContextGLX *
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gst_gl_context_glx_new (GstGLDisplay * display)
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{
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GstGLContextGLX *context;
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if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_X11) == 0)
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/* we require an x11 display handle to create GLX contexts */
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return NULL;
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context = g_object_new (GST_TYPE_GL_CONTEXT_GLX, NULL);
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gst_object_ref_sink (context);
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return context;
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}
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static GstGLConfigSurfaceType
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glx_drawable_type_to_gst (int drawable_type)
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{
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GstGLConfigSurfaceType ret = GST_GL_CONFIG_SURFACE_TYPE_NONE;
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if (drawable_type & GLX_WINDOW_BIT)
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ret |= GST_GL_CONFIG_SURFACE_TYPE_WINDOW;
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if (drawable_type & GLX_PIXMAP_BIT)
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ret |= GST_GL_CONFIG_SURFACE_TYPE_PIXMAP;
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if (drawable_type & GLX_PBUFFER_BIT)
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ret |= GST_GL_CONFIG_SURFACE_TYPE_PBUFFER;
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return ret;
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}
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static GstGLConfigCaveat
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glx_caveat_to_gst (int caveat)
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{
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switch (caveat) {
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case GLX_NONE:
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return GST_GL_CONFIG_CAVEAT_NONE;
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case GLX_SLOW_CONFIG:
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return GST_GL_CONFIG_CAVEAT_SLOW;
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case GLX_NON_CONFORMANT_CONFIG:
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return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT;
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default:
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GST_WARNING ("unknown GLX caveat value %u (0x%x)", caveat, caveat);
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return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT;
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}
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}
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static GstStructure *
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fb_config_to_structure (GstGLContext * context,
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Display * dpy, GLXFBConfig fbconfig)
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{
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GstStructure *ret;
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int val, render_type;
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ret = gst_structure_new (GST_GL_CONFIG_STRUCTURE_NAME,
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GST_GL_CONFIG_STRUCTURE_SET_ARGS (PLATFORM, GstGLPlatform,
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GST_GL_PLATFORM_GLX), "platform-sub-type", G_TYPE_STRING, "fbconfig",
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NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_FBCONFIG_ID, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CONFIG_ID, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_VISUAL_ID, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_VISUAL_ID,
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guint, val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_CONFIG_CAVEAT, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CAVEAT,
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GstGLConfigCaveat, glx_caveat_to_gst (val)), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_DRAWABLE_TYPE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SURFACE_TYPE,
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GstGLConfigSurfaceType, glx_drawable_type_to_gst (val)), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_X_RENDERABLE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_RENDERABLE,
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gboolean, val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_LEVEL, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (LEVEL, int, val),
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NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_RENDER_TYPE,
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&render_type))
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goto failure;
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if (render_type & GLX_RGBA_BIT) {
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_RED_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (RED_SIZE, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_GREEN_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (GREEN_SIZE, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_BLUE_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (BLUE_SIZE, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ALPHA_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (ALPHA_SIZE, int,
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val), NULL);
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}
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_DEPTH_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (DEPTH_SIZE, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_STENCIL_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (STENCIL_SIZE, int,
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val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_WIDTH,
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&val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_WIDTH,
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int, val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_HEIGHT,
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&val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_HEIGHT,
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int, val), NULL);
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_PIXELS,
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&val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_PIXELS,
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int, val), NULL);
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return ret;
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failure:
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gst_structure_free (ret);
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return NULL;
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}
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static void
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gst_gl_context_glx_dump_fb_config (GstGLContextGLX * glx,
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Display * dpy, GLXFBConfig fbconfig)
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{
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#define SIMPLE_STRING_ASSIGN(res_str,value,to_check,str) \
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if (res_str == NULL && value == to_check) \
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res_str = str
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int fb_id, render_type;
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{
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int visual_id;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_FBCONFIG_ID,
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&fb_id))
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return;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_VISUAL_ID,
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&visual_id))
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return;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_RENDER_TYPE,
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&render_type))
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return;
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GST_DEBUG_OBJECT (glx, "dumping GLXFBConfig %p with id 0x%x and "
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"visual id 0x%x", fbconfig, fb_id, visual_id);
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}
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{
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#define MAX_RENDER_TYPE 8
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#define MAX_DRAWABLE_TYPE 8
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int x_renderable, visual_type, drawable_type, caveat, i = 0;
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const char *render_values[MAX_RENDER_TYPE] = { NULL, };
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const char *drawable_values[MAX_DRAWABLE_TYPE] = { NULL, };
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const char *caveat_str = NULL;
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const char *visual_type_str = NULL;
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char *render_type_str = NULL;
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char *drawable_type_str = NULL;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_X_RENDERABLE,
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&x_renderable))
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return;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_CONFIG_CAVEAT,
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&caveat))
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return;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_X_VISUAL_TYPE,
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&visual_type))
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return;
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if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_DRAWABLE_TYPE,
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&drawable_type))
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return;
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_TRUE_COLOR,
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"TrueColor");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_DIRECT_COLOR,
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"DirectColor");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_PSEUDO_COLOR,
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"PseudoColor");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_STATIC_COLOR,
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"StaticColor");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_GRAY_SCALE,
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"GrayScale");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_STATIC_GRAY,
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"StaticGray");
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SIMPLE_STRING_ASSIGN (visual_type_str, visual_type, GLX_NONE, "None");
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SIMPLE_STRING_ASSIGN (caveat_str, caveat, GLX_NONE, "None");
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SIMPLE_STRING_ASSIGN (caveat_str, caveat, GLX_SLOW_CONFIG, "SlowConfig");
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SIMPLE_STRING_ASSIGN (caveat_str, caveat, GLX_NON_CONFORMANT_CONFIG,
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"NonConformantConfig");
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i = 0;
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if (render_type & GLX_RGBA_BIT)
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render_values[i++] = "RGBA";
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if (render_type & GLX_COLOR_INDEX_BIT)
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render_values[i++] = "Color Index";
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/* bad things have happened if this fails: we haven't allocated enough
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* space to hold all the values */
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g_assert (i < MAX_RENDER_TYPE);
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|
|
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i = 0;
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if (drawable_type & GLX_WINDOW_BIT)
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drawable_values[i++] = "Window";
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if (drawable_type & GLX_PIXMAP_BIT)
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drawable_values[i++] = "Pixmap";
|
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if (drawable_type & GLX_PBUFFER_BIT)
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drawable_values[i++] = "PBuffer";
|
|
|
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/* bad things have happened if this fails: we haven't allocated enough
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* space to hold all the values */
|
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g_assert (i < MAX_DRAWABLE_TYPE);
|
|
|
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render_type_str = g_strjoinv ("|", (char **) render_values);
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drawable_type_str = g_strjoinv ("|", (char **) drawable_values);
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GST_DEBUG_OBJECT (glx, "Is XRenderable?: %s, visual type: (0x%x) %s, "
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"render type: (0x%x) %s, drawable type: (0x%x) %s, caveat: (0x%x) %s",
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x_renderable ? "YES" : "NO", visual_type, visual_type_str, render_type,
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render_type_str, drawable_type, drawable_type_str, caveat, caveat_str);
|
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g_free (render_type_str);
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g_free (drawable_type_str);
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#undef MAX_RENDER_TYPE
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#undef MAX_DRAWABLE_TYPE
|
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}
|
|
|
|
{
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int buffer_size, level, double_buffered, stereo, aux_buffers;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_BUFFER_SIZE,
|
|
&buffer_size))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_LEVEL, &level))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_DOUBLEBUFFER,
|
|
&double_buffered))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_STEREO, &stereo))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_AUX_BUFFERS,
|
|
&aux_buffers))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx, "Level: %i, buffer size: %i, double buffered: %i, "
|
|
"stereo: %i, aux buffers: %i", level, buffer_size, double_buffered,
|
|
stereo, aux_buffers);
|
|
}
|
|
|
|
if (render_type & GLX_RGBA_BIT) {
|
|
int r, g, b, a;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_RED_SIZE, &r))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_GREEN_SIZE, &g))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_BLUE_SIZE, &b))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ALPHA_SIZE, &a))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx, "[R, G, B, A] = [%i, %i, %i, %i]", r, g, b, a);
|
|
}
|
|
|
|
{
|
|
int d, s;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_DEPTH_SIZE, &d))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_STENCIL_SIZE, &s))
|
|
return;
|
|
|
|
GST_DEBUG_OBJECT (glx, "[D, S] = [%i, %i]", d, s);
|
|
}
|
|
|
|
{
|
|
int r, g, b, a;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ACCUM_RED_SIZE, &r))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ACCUM_GREEN_SIZE,
|
|
&g))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ACCUM_BLUE_SIZE,
|
|
&b))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_ACCUM_ALPHA_SIZE,
|
|
&a))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx, "Accumulation [R, G, B, A] = [%i, %i, %i, %i]", r, g,
|
|
b, a);
|
|
}
|
|
|
|
{
|
|
int transparent_type;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_TRANSPARENT_TYPE,
|
|
&transparent_type))
|
|
return;
|
|
|
|
if (transparent_type == GLX_NONE) {
|
|
GST_DEBUG_OBJECT (glx, "Is opaque");
|
|
} else if (transparent_type == GLX_TRANSPARENT_INDEX) {
|
|
int transparent_index;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_TRANSPARENT_INDEX,
|
|
&transparent_index))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx, "Is transparent for index value 0x%x",
|
|
transparent_index);
|
|
} else if (transparent_type == GLX_TRANSPARENT_RGB) {
|
|
int r, g, b, a;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig,
|
|
GLX_TRANSPARENT_RED_VALUE, &r))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig,
|
|
GLX_TRANSPARENT_GREEN_VALUE, &g))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig,
|
|
GLX_TRANSPARENT_BLUE_VALUE, &b))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig,
|
|
GLX_TRANSPARENT_ALPHA_VALUE, &a))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx, "Is transparent for value [R, G, B, A] = "
|
|
"[0x%x, 0x%x, 0x%x, 0x%x]", r, g, b, a);
|
|
} else {
|
|
GST_DEBUG_OBJECT (glx, "Unknown transparent type 0x%x", transparent_type);
|
|
}
|
|
}
|
|
|
|
{
|
|
int w, h, pixels;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_WIDTH,
|
|
&w))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_HEIGHT,
|
|
&h))
|
|
return;
|
|
if (Success != glXGetFBConfigAttrib (dpy, fbconfig, GLX_MAX_PBUFFER_PIXELS,
|
|
&pixels))
|
|
return;
|
|
GST_DEBUG_OBJECT (glx,
|
|
"PBuffer maximum dimensions are [%i, %i]. Max pixels are %i", w,
|
|
h, pixels);
|
|
}
|
|
#undef SIMPLE_STRING_ASSIGN
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_glx_dump_all_fb_configs (GstGLContextGLX * glx,
|
|
Display * dpy, int screen)
|
|
{
|
|
int i, n;
|
|
GLXFBConfig *configs;
|
|
|
|
configs = glXGetFBConfigs (dpy, screen, &n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
gst_gl_context_glx_dump_fb_config (glx, dpy, configs[i]);
|
|
}
|
|
|
|
XFree (configs);
|
|
}
|
|
|
|
static int *
|
|
fb_config_attributes_from_structure (GstStructure * config)
|
|
{
|
|
guint i = 0, n;
|
|
int *ret;
|
|
|
|
if (!config) {
|
|
gint attribs[] = {
|
|
GLX_RENDER_TYPE, GLX_RGBA_BIT,
|
|
GLX_RED_SIZE, 1,
|
|
GLX_GREEN_SIZE, 1,
|
|
GLX_BLUE_SIZE, 1,
|
|
GLX_DEPTH_SIZE, 16,
|
|
GLX_DOUBLEBUFFER, True,
|
|
None
|
|
};
|
|
|
|
return g_memdup2 (attribs, sizeof (attribs));
|
|
}
|
|
|
|
n = gst_structure_n_fields (config) * 2 + 1;
|
|
ret = g_new0 (gint, n);
|
|
|
|
#define TRANSFORM_VALUE(GL_CONF_NAME,GLX_ATTR_NAME) \
|
|
G_STMT_START { \
|
|
if (gst_structure_has_field_typed (config, \
|
|
GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \
|
|
GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME))) { \
|
|
int val; \
|
|
if (gst_structure_get (config, \
|
|
GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \
|
|
GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME), &val, NULL)) { \
|
|
ret[i++] = GLX_ATTR_NAME; \
|
|
ret[i++] = (int) val; \
|
|
} \
|
|
} \
|
|
} G_STMT_END
|
|
|
|
TRANSFORM_VALUE (CONFIG_ID, GLX_FBCONFIG_ID);
|
|
TRANSFORM_VALUE (RED_SIZE, GLX_RED_SIZE);
|
|
TRANSFORM_VALUE (GREEN_SIZE, GLX_GREEN_SIZE);
|
|
TRANSFORM_VALUE (BLUE_SIZE, GLX_BLUE_SIZE);
|
|
TRANSFORM_VALUE (ALPHA_SIZE, GLX_ALPHA_SIZE);
|
|
TRANSFORM_VALUE (DEPTH_SIZE, GLX_DEPTH_SIZE);
|
|
TRANSFORM_VALUE (STENCIL_SIZE, GLX_STENCIL_SIZE);
|
|
/* TODO: more values */
|
|
|
|
#undef TRANSFORM_VALUE
|
|
|
|
ret[i++] = None;
|
|
g_assert (i <= n);
|
|
return ret;
|
|
}
|
|
|
|
static GLXContext
|
|
_create_context_with_flags (GstGLContextGLX * context_glx, Display * dpy,
|
|
GLXFBConfig fbconfig, GLXContext share_context, gint major, gint minor,
|
|
gint contextFlags, gint profileMask)
|
|
{
|
|
GLXContext ret;
|
|
#define N_ATTRIBS 20
|
|
gint attribs[N_ATTRIBS];
|
|
int x_error = 0;
|
|
gint n = 0;
|
|
|
|
if (major) {
|
|
attribs[n++] = GLX_CONTEXT_MAJOR_VERSION_ARB;
|
|
attribs[n++] = major;
|
|
}
|
|
if (minor) {
|
|
attribs[n++] = GLX_CONTEXT_MINOR_VERSION_ARB;
|
|
attribs[n++] = minor;
|
|
}
|
|
if (contextFlags) {
|
|
attribs[n++] = GLX_CONTEXT_FLAGS_ARB;
|
|
attribs[n++] = contextFlags;
|
|
}
|
|
#ifdef GLX_ARB_create_context_profile
|
|
if (profileMask) {
|
|
attribs[n++] = GLX_CONTEXT_PROFILE_MASK_ARB;
|
|
attribs[n++] = profileMask;
|
|
}
|
|
#endif
|
|
attribs[n++] = None;
|
|
|
|
g_assert (n < N_ATTRIBS);
|
|
#undef N_ATTRIBS
|
|
|
|
gst_gl_window_x11_trap_x_errors ();
|
|
ret = context_glx->priv->glXCreateContextAttribsARB (dpy, fbconfig,
|
|
share_context, True, attribs);
|
|
x_error = gst_gl_window_x11_untrap_x_errors ();
|
|
|
|
if (x_error)
|
|
ret = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_glx_create_context (GstGLContext * context,
|
|
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
|
|
{
|
|
GstGLContextGLX *context_glx;
|
|
GstGLWindow *window;
|
|
GstGLWindowX11 *window_x11;
|
|
GstGLDisplay *display = NULL;
|
|
gboolean create_context;
|
|
const char *glx_exts;
|
|
Display *device;
|
|
guintptr external_gl_context = 0;
|
|
|
|
context_glx = GST_GL_CONTEXT_GLX (context);
|
|
window = gst_gl_context_get_window (context);
|
|
|
|
if (!GST_IS_GL_WINDOW_X11 (window)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Cannot create an GLX context from a non-X11 window");
|
|
goto failure;
|
|
}
|
|
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
display = gst_gl_context_get_display (context);
|
|
|
|
if (other_context) {
|
|
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_GLX) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Cannot share context with non-GLX context");
|
|
goto failure;
|
|
}
|
|
|
|
external_gl_context = gst_gl_context_get_gl_context (other_context);
|
|
}
|
|
|
|
device = (Display *) gst_gl_display_get_handle (display);
|
|
if (!device) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "Invalid Display handle");
|
|
goto failure;
|
|
}
|
|
|
|
glx_exts = glXQueryExtensionsString (device, DefaultScreen (device));
|
|
|
|
create_context = gst_gl_check_extension ("GLX_ARB_create_context", glx_exts);
|
|
context_glx->priv->glXCreateContextAttribsARB =
|
|
(gpointer) glXGetProcAddressARB ((const GLubyte *)
|
|
"glXCreateContextAttribsARB");
|
|
|
|
if (!context_glx->glx_context && gl_api & GST_GL_API_OPENGL3 && create_context
|
|
&& context_glx->priv->glXCreateContextAttribsARB) {
|
|
gint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) {
|
|
gint profileMask = 0;
|
|
gint contextFlags = 0;
|
|
|
|
if ((opengl_versions[i].major > 3
|
|
|| (opengl_versions[i].major == 3
|
|
&& opengl_versions[i].minor >= 2))) {
|
|
profileMask |= GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
|
|
contextFlags |= GLX_CONTEXT_DEBUG_BIT_ARB;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (context, "trying to create a GL %d.%d context",
|
|
opengl_versions[i].major, opengl_versions[i].minor);
|
|
|
|
context_glx->glx_context = _create_context_with_flags (context_glx,
|
|
device, context_glx->priv->fbconfigs[0],
|
|
(GLXContext) external_gl_context, opengl_versions[i].major,
|
|
opengl_versions[i].minor, contextFlags, profileMask);
|
|
|
|
if (context_glx->glx_context) {
|
|
context_glx->priv->context_api = GST_GL_API_OPENGL3;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!context_glx->glx_context && gl_api & GST_GL_API_OPENGL) {
|
|
context_glx->glx_context =
|
|
glXCreateContext (device, window_x11->visual_info,
|
|
(GLXContext) external_gl_context, TRUE);
|
|
context_glx->priv->context_api = GST_GL_API_OPENGL;
|
|
}
|
|
|
|
if (!context_glx->glx_context) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, "Failed to create opengl context");
|
|
goto failure;
|
|
}
|
|
|
|
GST_LOG ("gl context id: %ld", (gulong) context_glx->glx_context);
|
|
|
|
gst_object_unref (window);
|
|
gst_object_unref (display);
|
|
|
|
return TRUE;
|
|
|
|
failure:
|
|
if (window)
|
|
gst_object_unref (window);
|
|
if (display)
|
|
gst_object_unref (display);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_glx_destroy_context (GstGLContext * context)
|
|
{
|
|
GstGLWindow *window;
|
|
GstGLContextGLX *context_glx;
|
|
Display *device;
|
|
|
|
context_glx = GST_GL_CONTEXT_GLX (context);
|
|
window = gst_gl_context_get_window (context);
|
|
device = (Display *) gst_gl_display_get_handle (window->display);
|
|
|
|
if (context_glx->priv->fbconfigs)
|
|
XFree (context_glx->priv->fbconfigs);
|
|
context_glx->priv->fbconfigs = NULL;
|
|
|
|
glXDestroyContext (device, context_glx->glx_context);
|
|
|
|
context_glx->glx_context = 0;
|
|
|
|
if (context_glx->priv->requested_config)
|
|
gst_structure_free (context_glx->priv->requested_config);
|
|
context_glx->priv->requested_config = NULL;
|
|
|
|
gst_object_unref (window);
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_glx_choose_format (GstGLContext * context, GError ** error)
|
|
{
|
|
GstGLContextGLX *context_glx;
|
|
GstGLWindow *window;
|
|
GstGLWindowX11 *window_x11;
|
|
gint error_base;
|
|
gint event_base;
|
|
Display *device;
|
|
|
|
context_glx = GST_GL_CONTEXT_GLX (context);
|
|
window = gst_gl_context_get_window (context);
|
|
|
|
if (!GST_IS_GL_WINDOW_X11 (window)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Cannot create an GLX context from a non-X11 window");
|
|
goto failure;
|
|
}
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
device = (Display *) gst_gl_display_get_handle (window->display);
|
|
if (!device) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "Invalid Display handle");
|
|
goto failure;
|
|
}
|
|
|
|
if (!glXQueryExtension (device, &error_base, &event_base)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "No GLX extension");
|
|
goto failure;
|
|
}
|
|
|
|
if (!glXQueryVersion (device, &context_glx->priv->glx_major,
|
|
&context_glx->priv->glx_minor)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
|
|
"Failed to query GLX version (glXQueryVersion failed)");
|
|
goto failure;
|
|
}
|
|
|
|
GST_INFO ("GLX Version: %d.%d", context_glx->priv->glx_major,
|
|
context_glx->priv->glx_minor);
|
|
|
|
/* legacy case */
|
|
if (context_glx->priv->glx_major < 1 || (context_glx->priv->glx_major == 1
|
|
&& context_glx->priv->glx_minor < 3)) {
|
|
gint attribs[] = {
|
|
GLX_RGBA,
|
|
GLX_RED_SIZE, 1,
|
|
GLX_GREEN_SIZE, 1,
|
|
GLX_BLUE_SIZE, 1,
|
|
GLX_DEPTH_SIZE, 16,
|
|
GLX_DOUBLEBUFFER,
|
|
None
|
|
};
|
|
|
|
window_x11->visual_info = glXChooseVisual (device,
|
|
window_x11->screen_num, attribs);
|
|
|
|
if (!window_x11->visual_info) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Bad attributes in glXChooseVisual");
|
|
goto failure;
|
|
}
|
|
} else {
|
|
int fbcount;
|
|
int *attribs;
|
|
|
|
attribs =
|
|
fb_config_attributes_from_structure (context_glx->
|
|
priv->requested_config);
|
|
|
|
gst_gl_context_glx_dump_all_fb_configs (context_glx, device,
|
|
DefaultScreen (device));
|
|
|
|
context_glx->priv->fbconfigs = glXChooseFBConfig (device,
|
|
DefaultScreen (device), attribs, &fbcount);
|
|
|
|
g_free (attribs);
|
|
|
|
if (!context_glx->priv->fbconfigs) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Could not find any FBConfig's to use (check attributes?)");
|
|
goto failure;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (context_glx, "Chosen GLXFBConfig:");
|
|
gst_gl_context_glx_dump_fb_config (context_glx, device,
|
|
context_glx->priv->fbconfigs[0]);
|
|
|
|
window_x11->visual_info = glXGetVisualFromFBConfig (device,
|
|
context_glx->priv->fbconfigs[0]);
|
|
|
|
if (!window_x11->visual_info) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Bad attributes in FBConfig");
|
|
goto failure;
|
|
}
|
|
}
|
|
|
|
gst_gl_window_x11_create_window ((GstGLWindowX11 *) window);
|
|
|
|
gst_object_unref (window);
|
|
|
|
return TRUE;
|
|
|
|
failure:
|
|
if (window)
|
|
gst_object_unref (window);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_glx_swap_buffers (GstGLContext * context)
|
|
{
|
|
GstGLWindow *window = gst_gl_context_get_window (context);
|
|
Display *device = (Display *) gst_gl_display_get_handle (window->display);
|
|
Window window_handle = (Window) gst_gl_window_get_window_handle (window);
|
|
|
|
glXSwapBuffers (device, window_handle);
|
|
|
|
gst_object_unref (window);
|
|
}
|
|
|
|
static guintptr
|
|
gst_gl_context_glx_get_gl_context (GstGLContext * context)
|
|
{
|
|
return (guintptr) GST_GL_CONTEXT_GLX (context)->glx_context;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_glx_activate (GstGLContext * context, gboolean activate)
|
|
{
|
|
GstGLWindow *window = gst_gl_context_get_window (context);
|
|
Display *device = (Display *) gst_gl_display_get_handle (window->display);
|
|
Window window_handle = (Window) gst_gl_window_get_window_handle (window);
|
|
gboolean result;
|
|
|
|
if (activate) {
|
|
result = glXMakeCurrent (device, window_handle,
|
|
GST_GL_CONTEXT_GLX (context)->glx_context);
|
|
} else {
|
|
result = glXMakeCurrent (device, None, NULL);
|
|
}
|
|
|
|
gst_object_unref (window);
|
|
|
|
return result;
|
|
}
|
|
|
|
GstGLAPI
|
|
gst_gl_context_glx_get_gl_api (GstGLContext * context)
|
|
{
|
|
GstGLContextGLX *context_glx;
|
|
|
|
context_glx = GST_GL_CONTEXT_GLX (context);
|
|
|
|
return context_glx->priv->context_api;
|
|
}
|
|
|
|
static GstGLPlatform
|
|
gst_gl_context_glx_get_gl_platform (GstGLContext * context)
|
|
{
|
|
return GST_GL_PLATFORM_GLX;
|
|
}
|
|
|
|
gpointer
|
|
gst_gl_context_glx_get_proc_address (GstGLAPI gl_api, const gchar * name)
|
|
{
|
|
gpointer result;
|
|
|
|
if (!(result = gst_gl_context_default_get_proc_address (gl_api, name))) {
|
|
result = glXGetProcAddressARB ((const GLubyte *) name);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
guintptr
|
|
gst_gl_context_glx_get_current_context (void)
|
|
{
|
|
return (guintptr) glXGetCurrentContext ();
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_glx_get_gl_platform_version (GstGLContext * context,
|
|
gint * major, gint * minor)
|
|
{
|
|
GstGLContextGLX *context_glx = GST_GL_CONTEXT_GLX (context);
|
|
|
|
*major = context_glx->priv->glx_major;
|
|
*minor = context_glx->priv->glx_minor;
|
|
}
|
|
|
|
static GstStructure *
|
|
gst_gl_context_glx_get_config (GstGLContext * context)
|
|
{
|
|
GstGLContextGLX *glx = GST_GL_CONTEXT_GLX (context);
|
|
GstGLWindow *window;
|
|
GstGLWindowX11 *window_x11;
|
|
Display *device;
|
|
GstStructure *ret;
|
|
|
|
window = gst_gl_context_get_window (context);
|
|
device = (Display *) gst_gl_display_get_handle (window->display);
|
|
window_x11 = GST_GL_WINDOW_X11 (window);
|
|
|
|
g_return_val_if_fail (glx->priv->fbconfigs || window_x11->visual_info, NULL);
|
|
|
|
if (glx->priv->fbconfigs) {
|
|
ret = fb_config_to_structure (context, device, glx->priv->fbconfigs[0]);
|
|
} else {
|
|
/*TODO: XVisualInfo for really old GLX/X11 versions, */
|
|
ret = NULL;
|
|
}
|
|
gst_object_unref (window);
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_glx_request_config (GstGLContext * context,
|
|
GstStructure * config)
|
|
{
|
|
GstGLContextGLX *glx = GST_GL_CONTEXT_GLX (context);
|
|
|
|
if (glx->priv->requested_config)
|
|
gst_structure_free (glx->priv->requested_config);
|
|
glx->priv->requested_config = config;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
gst_gl_context_glx_fill_info (GstGLContext * context, GError ** error)
|
|
{
|
|
GLXContext glx_context = (GLXContext) gst_gl_context_get_gl_context (context);
|
|
GstStructure *config;
|
|
Display *device;
|
|
GLXFBConfig *fbconfigs;
|
|
int fbconfig_id, n_fbconfigs;
|
|
int glx_major, glx_minor;
|
|
int attrs[3];
|
|
|
|
if (!glx_context) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "No GLX context");
|
|
return FALSE;
|
|
}
|
|
|
|
device = (Display *) gst_gl_display_get_handle (context->display);
|
|
|
|
if (!glXQueryVersion (device, &glx_major, &glx_minor)) {
|
|
GST_WARNING_OBJECT (context, "could not retrieve GLX version");
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
|
|
"could not retrieve GLX version");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!GST_GL_CHECK_GL_VERSION (glx_major, glx_minor, 1, 4)) {
|
|
GST_FIXME_OBJECT (context, "No support for retrieving the "
|
|
"GstGLContextConfig from GLX < 1.4, have %u.%u", glx_major, glx_minor);
|
|
return TRUE;
|
|
}
|
|
|
|
if (Success != glXQueryContext (device, glx_context, GLX_FBCONFIG_ID,
|
|
&fbconfig_id)) {
|
|
GST_WARNING_OBJECT (context,
|
|
"could not retrieve fbconfig id from glx context");
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not retrieve fbconfig id from glx context");
|
|
goto failure;
|
|
}
|
|
|
|
attrs[0] = GLX_FBCONFIG_ID;
|
|
attrs[1] = fbconfig_id;
|
|
attrs[2] = None;
|
|
|
|
fbconfigs = glXChooseFBConfig (device, DefaultScreen (device), attrs,
|
|
&n_fbconfigs);
|
|
if (!fbconfigs || n_fbconfigs <= 0) {
|
|
GST_WARNING_OBJECT (context,
|
|
"could not retrieve fbconfig from its ID 0x%x. "
|
|
"Wrong Display or Screen?", fbconfig_id);
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not retrieve fbconfig from its ID 0x%x. "
|
|
"Wrong Display or Screen?", fbconfig_id);
|
|
goto failure;
|
|
}
|
|
|
|
config = fb_config_to_structure (context, device, fbconfigs[0]);
|
|
if (!config) {
|
|
GST_WARNING_OBJECT (context, "could not transform fbconfig id 0x%x into "
|
|
"GstStructure.", fbconfig_id);
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not transform fbconfig id 0x%x into GstStructure.", fbconfig_id);
|
|
goto failure;
|
|
}
|
|
|
|
GST_INFO_OBJECT (context, "found config %" GST_PTR_FORMAT, config);
|
|
|
|
g_object_set_data_full (G_OBJECT (context),
|
|
GST_GL_CONTEXT_WRAPPED_GL_CONFIG_NAME, config,
|
|
(GDestroyNotify) gst_structure_free);
|
|
|
|
XFree (fbconfigs);
|
|
|
|
return TRUE;
|
|
|
|
failure:
|
|
return FALSE;
|
|
}
|