* @brief GLX video output module for VLC media player
*/
/*****************************************************************************
- * Copyright © 2004 the VideoLAN team
+ * Copyright © 2004 VLC authors and VideoLAN
* Copyright © 2009 Rémi Denis-Courmont
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * This program 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 General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- ****************************************************************************/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#include <assert.h>
#include <xcb/xcb.h>
-#include <X11/Xlib-xcb.h>
-#include <GL/glx.h>
-#include <GL/glxext.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_xlib.h>
#include <vlc_vout_display.h>
#include <vlc_opengl.h>
#include "../opengl.h"
-#include "xcb_vlc.h"
+#include "events.h"
static int Open (vlc_object_t *);
static void Close (vlc_object_t *);
*/
vlc_module_begin ()
set_shortname (N_("GLX"))
- set_description (N_("GLX video output (XCB)"))
+ set_description (N_("OpenGL GLX video output (XCB)"))
set_category (CAT_VIDEO)
set_subcategory (SUBCAT_VIDEO_VOUT)
set_capability ("vout display", 150)
struct vout_display_sys_t
{
- Display *display; /* Xlib instance */
+ xcb_connection_t *conn; /**< XCB connection */
vout_window_t *embed; /* VLC window (when windowed) */
+ vlc_gl_t *gl;
xcb_cursor_t cursor; /* blank cursor */
- xcb_window_t window; /* drawable X window */
- xcb_window_t glwin; /* GLX window */
bool visible; /* whether to draw */
- bool v1_3; /* whether GLX >= 1.3 is available */
- GLXContext ctx;
- vlc_gl_t gl;
vout_display_opengl_t *vgl;
picture_pool_t *pool; /* picture pool */
};
static int Control (vout_display_t *, int, va_list);
static void Manage (vout_display_t *);
-static void SwapBuffers (vlc_gl_t *gl);
-static void *GetProcAddress (vlc_gl_t *gl, const char *);
-
-static vout_window_t *MakeWindow (vout_display_t *vd)
-{
- vout_window_cfg_t wnd_cfg;
-
- memset (&wnd_cfg, 0, sizeof (wnd_cfg));
- wnd_cfg.type = VOUT_WINDOW_TYPE_XID;
- wnd_cfg.x = var_InheritInteger (vd, "video-x");
- wnd_cfg.y = var_InheritInteger (vd, "video-y");
- wnd_cfg.width = vd->cfg->display.width;
- wnd_cfg.height = vd->cfg->display.height;
-
- vout_window_t *wnd = vout_display_NewWindow (vd, &wnd_cfg);
- if (wnd == NULL)
- msg_Err (vd, "parent window not available");
- return wnd;
-}
-
-static const xcb_screen_t *
-FindWindow (vout_display_t *vd, xcb_connection_t *conn,
- unsigned *restrict pnum, uint8_t *restrict pdepth,
- uint16_t *restrict pwidth, uint16_t *restrict pheight)
-{
- vout_display_sys_t *sys = vd->sys;
-
- xcb_get_geometry_reply_t *geo =
- xcb_get_geometry_reply (conn,
- xcb_get_geometry (conn, sys->embed->handle.xid), NULL);
- if (geo == NULL)
- {
- msg_Err (vd, "parent window not valid");
- return NULL;
- }
-
- xcb_window_t root = geo->root;
- *pdepth = geo->depth;
- *pwidth = geo->width;
- *pheight = geo->height;
- free (geo);
-
- /* Find the selected screen */
- const xcb_setup_t *setup = xcb_get_setup (conn);
- const xcb_screen_t *screen = NULL;
- unsigned num = 0;
-
- for (xcb_screen_iterator_t i = xcb_setup_roots_iterator (setup);
- i.rem > 0;
- xcb_screen_next (&i))
- {
- if (i.data->root == root)
- {
- screen = i.data;
- break;
- }
- num++;
- }
-
- if (screen == NULL)
- {
- msg_Err (vd, "parent window screen not found");
- return NULL;
- }
- msg_Dbg (vd, "using screen 0x%"PRIx32 " (number: %u)", root, num);
- *pnum = num;
- return screen;
-}
-
-static bool CheckGLX (vout_display_t *vd, Display *dpy, bool *restrict pv13)
-{
- int major, minor;
- bool ok = false;
-
- if (!glXQueryVersion (dpy, &major, &minor))
- msg_Dbg (vd, "GLX extension not available");
- else
- if (major != 1)
- msg_Dbg (vd, "GLX extension version %d.%d unknown", major, minor);
- else
- if (minor < 2)
- msg_Dbg (vd, "GLX extension version %d.%d too old", major, minor);
- else
- {
- msg_Dbg (vd, "using GLX extension version %d.%d", major, minor);
- ok = true;
- *pv13 = minor >= 3;
- }
- return ok;
-}
-
-static int CreateWindow (vout_display_t *vd, xcb_connection_t *conn,
- uint_fast8_t depth, xcb_visualid_t vid,
- uint_fast16_t width, uint_fast16_t height)
-{
- vout_display_sys_t *sys = vd->sys;
- const uint32_t mask = XCB_CW_EVENT_MASK;
- const uint32_t values[] = {
- /* XCB_CW_EVENT_MASK */
- XCB_EVENT_MASK_VISIBILITY_CHANGE,
- };
- xcb_void_cookie_t cc, cm;
-
- cc = xcb_create_window_checked (conn, depth, sys->window,
- sys->embed->handle.xid, 0, 0,
- width, height, 0,
- XCB_WINDOW_CLASS_INPUT_OUTPUT,
- vid, mask, values);
- cm = xcb_map_window_checked (conn, sys->window);
- if (CheckError (vd, conn, "cannot create X11 window", cc)
- || CheckError (vd, conn, "cannot map X11 window", cm))
- return VLC_EGENERIC;
-
- msg_Dbg (vd, "using X11 window %08"PRIx32, sys->window);
- return VLC_SUCCESS;
-}
-
/**
* Probe the X server.
*/
static int Open (vlc_object_t *obj)
{
- if (!vlc_xlib_init (obj))
- return VLC_EGENERIC;
-
vout_display_t *vd = (vout_display_t *)obj;
vout_display_sys_t *sys = malloc (sizeof (*sys));
if (sys == NULL)
return VLC_ENOMEM;
- vd->sys = sys;
+ sys->vgl = NULL;
sys->pool = NULL;
- sys->gl.sys = NULL;
- /* Get window */
- sys->embed = MakeWindow (vd);
+ /* Get window, connect to X server (via XCB) */
+ xcb_connection_t *conn;
+ const xcb_screen_t *scr;
+ uint16_t width, height;
+ sys->embed = XCB_parent_Create (vd, &conn, &scr, &width, &height);
if (sys->embed == NULL)
{
free (sys);
return VLC_EGENERIC;
}
- /* Connect to X server */
- Display *dpy = XOpenDisplay (sys->embed->display.x11);
- if (dpy == NULL)
- {
- vout_display_DeleteWindow (vd, sys->embed);
- free (sys);
- return VLC_EGENERIC;
- }
- sys->display = dpy;
- sys->ctx = NULL;
- XSetEventQueueOwner (dpy, XCBOwnsEventQueue);
-
- if (!CheckGLX (vd, dpy, &sys->v1_3))
+ sys->conn = conn;
+ sys->gl = vlc_gl_Create (sys->embed, VLC_OPENGL, "glx");
+ if (sys->gl == NULL)
goto error;
- xcb_connection_t *conn = XGetXCBConnection (dpy);
- assert (conn);
- RegisterMouseEvents (obj, conn, sys->embed->handle.xid);
+ const vlc_fourcc_t *spu_chromas;
- /* Find window parameters */
- unsigned snum;
- uint8_t depth;
- uint16_t width, height;
- const xcb_screen_t *scr = FindWindow (vd, conn, &snum, &depth,
- &width, &height);
- if (scr == NULL)
+ if (vlc_gl_MakeCurrent (sys->gl))
goto error;
- sys->window = xcb_generate_id (conn);
-
- /* Determine our pixel format */
- if (sys->v1_3)
- { /* GLX 1.3 */
- static const int attr[] = {
- GLX_RED_SIZE, 5,
- GLX_GREEN_SIZE, 5,
- GLX_BLUE_SIZE, 5,
- GLX_DOUBLEBUFFER, True,
- GLX_X_RENDERABLE, True,
- GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
- None };
-
- xcb_get_window_attributes_reply_t *wa =
- xcb_get_window_attributes_reply (conn,
- xcb_get_window_attributes (conn, sys->embed->handle.xid),
- NULL);
- if (wa == NULL)
- goto error;
- xcb_visualid_t visual = wa->visual;
- free (wa);
-
- int nelem;
- GLXFBConfig *confs = glXChooseFBConfig (dpy, snum, attr, &nelem);
- if (confs == NULL)
- {
- msg_Err (vd, "no GLX frame bufer configurations");
- goto error;
- }
-
- GLXFBConfig conf;
- bool found = false;
-
- for (int i = 0; i < nelem && !found; i++)
- {
- conf = confs[i];
-
- XVisualInfo *vi = glXGetVisualFromFBConfig (dpy, conf);
- if (vi == NULL)
- continue;
-
- if (vi->visualid == visual)
- found = true;
- XFree (vi);
- }
- XFree (confs);
-
- if (!found)
- {
- msg_Err (vd, "no matching GLX frame buffer configuration");
- goto error;
- }
-
- sys->glwin = None;
- if (!CreateWindow (vd, conn, depth, 0 /* ??? */, width, height))
- sys->glwin = glXCreateWindow (dpy, conf, sys->window, NULL );
- if (sys->glwin == None)
- {
- msg_Err (vd, "cannot create GLX window");
- goto error;
- }
-
- /* Create an OpenGL context */
- sys->ctx = glXCreateNewContext (dpy, conf, GLX_RGBA_TYPE, NULL,
- True);
- if (sys->ctx == NULL)
- {
- msg_Err (vd, "cannot create GLX context");
- goto error;
- }
-
- if (!glXMakeContextCurrent (dpy, sys->glwin, sys->glwin, sys->ctx))
- goto error;
- }
- else
- { /* GLX 1.2 */
- int attr[] = {
- GLX_RGBA,
- GLX_RED_SIZE, 5,
- GLX_GREEN_SIZE, 5,
- GLX_BLUE_SIZE, 5,
- GLX_DOUBLEBUFFER,
- None };
-
- XVisualInfo *vi = glXChooseVisual (dpy, snum, attr);
- if (vi == NULL)
- {
- msg_Err (vd, "cannot find GLX 1.2 visual" );
- goto error;
- }
- msg_Dbg (vd, "using GLX visual ID 0x%"PRIx32, (uint32_t)vi->visualid);
-
- if (CreateWindow (vd, conn, depth, 0 /* ??? */, width, height) == 0)
- sys->ctx = glXCreateContext (dpy, vi, 0, True);
- XFree (vi);
- if (sys->ctx == NULL)
- {
- msg_Err (vd, "cannot create GLX context");
- goto error;
- }
-
- if (glXMakeCurrent (dpy, sys->window, sys->ctx) == False)
- goto error;
- sys->glwin = sys->window;
- }
-
- const char *glx_extensions = glXQueryExtensionsString (dpy, snum);
-
- bool is_swap_interval_set = false;
-#ifdef GLX_SGI_swap_control
- if (HasExtension (glx_extensions, "GLX_SGI_swap_control")) {
- PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)GetProcAddress (NULL, "glXSwapIntervalSGI");
- if (!is_swap_interval_set && SwapIntervalSGI)
- is_swap_interval_set = !SwapIntervalSGI (1);
- }
-#endif
-#ifdef GLX_EXT_swap_control
- if (HasExtension (glx_extensions, "GLX_EXT_swap_control")) {
- PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)GetProcAddress (NULL, "glXSwapIntervalEXT");
- if (!is_swap_interval_set && SwapIntervalEXT)
- is_swap_interval_set = !SwapIntervalEXT (dpy, sys->glwin, 1);
- }
-#endif
-
- /* Initialize common OpenGL video display */
- sys->gl.lock = NULL;
- sys->gl.unlock = NULL;
- sys->gl.swap = SwapBuffers;
- sys->gl.getProcAddress = GetProcAddress;
- sys->gl.sys = sys;
-
- const vlc_fourcc_t *subpicture_chromas;
- sys->vgl = vout_display_opengl_New (&vd->fmt, &subpicture_chromas, &sys->gl);
- if (!sys->vgl)
- {
- sys->gl.sys = NULL;
+ sys->vgl = vout_display_opengl_New (&vd->fmt, &spu_chromas, sys->gl);
+ vlc_gl_ReleaseCurrent (sys->gl);
+ if (sys->vgl == NULL)
goto error;
- }
- sys->cursor = CreateBlankCursor (conn, scr);
+ sys->cursor = XCB_cursor_Create (conn, scr);
sys->visible = false;
- /* */
- vout_display_info_t info = vd->info;
- info.has_pictures_invalid = false;
- info.has_event_thread = true;
- info.subpicture_chromas = subpicture_chromas;
-
/* Setup vout_display_t once everything is fine */
- vd->info = info;
-
+ vd->sys = sys;
+ vd->info.has_pictures_invalid = false;
+ vd->info.has_event_thread = true;
+ vd->info.subpicture_chromas = spu_chromas;
vd->pool = Pool;
vd->prepare = PictureRender;
vd->display = PictureDisplay;
return VLC_SUCCESS;
error:
- Close (obj);
+ if (sys->gl != NULL)
+ vlc_gl_Destroy (sys->gl);
+ xcb_disconnect (sys->conn);
+ vout_display_DeleteWindow (vd, sys->embed);
+ free (sys);
return VLC_EGENERIC;
}
{
vout_display_t *vd = (vout_display_t *)obj;
vout_display_sys_t *sys = vd->sys;
- Display *dpy = sys->display;
- if (sys->gl.sys != NULL)
- vout_display_opengl_Delete (sys->vgl);
-
- if (sys->ctx != NULL)
- {
- if (sys->v1_3)
- glXMakeContextCurrent (dpy, None, None, NULL);
- else
- glXMakeCurrent (dpy, None, NULL);
- glXDestroyContext (dpy, sys->ctx);
- if (sys->v1_3)
- glXDestroyWindow (dpy, sys->glwin);
- }
+ vlc_gl_MakeCurrent (sys->gl);
+ vout_display_opengl_Delete (sys->vgl);
+ vlc_gl_ReleaseCurrent (sys->gl);
+ vlc_gl_Destroy (sys->gl);
/* show the default cursor */
- xcb_change_window_attributes (XGetXCBConnection (sys->display),
- sys->embed->handle.xid, XCB_CW_CURSOR,
- &(uint32_t) { XCB_CURSOR_NONE });
- xcb_flush (XGetXCBConnection (sys->display));
+ xcb_change_window_attributes (sys->conn, sys->embed->handle.xid,
+ XCB_CW_CURSOR, &(uint32_t) { XCB_CURSOR_NONE });
+ xcb_flush (sys->conn);
+ xcb_disconnect (sys->conn);
- XCloseDisplay (dpy);
vout_display_DeleteWindow (vd, sys->embed);
free (sys);
}
-static void SwapBuffers (vlc_gl_t *gl)
-{
- vout_display_sys_t *sys = gl->sys;
-
- glXSwapBuffers (sys->display, sys->glwin);
-}
-
-static void *GetProcAddress (vlc_gl_t *gl, const char *name)
-{
- (void)gl;
-#ifdef GLX_ARB_get_proc_address
- return glXGetProcAddressARB ((const GLubyte *)name);
-#else
- return NULL;
-#endif
-}
-
/**
* Return a direct buffer
*/
vout_display_sys_t *sys = vd->sys;
if (!sys->pool)
+ {
+ vlc_gl_MakeCurrent (sys->gl);
sys->pool = vout_display_opengl_GetPool (sys->vgl, requested_count);
+ vlc_gl_ReleaseCurrent (sys->gl);
+ }
return sys->pool;
}
{
vout_display_sys_t *sys = vd->sys;
+ vlc_gl_MakeCurrent (sys->gl);
vout_display_opengl_Prepare (sys->vgl, pic, subpicture);
+ vlc_gl_ReleaseCurrent (sys->gl);
}
static void PictureDisplay (vout_display_t *vd, picture_t *pic, subpicture_t *subpicture)
{
vout_display_sys_t *sys = vd->sys;
+ vlc_gl_MakeCurrent (sys->gl);
vout_display_opengl_Display (sys->vgl, &vd->source);
+ vlc_gl_ReleaseCurrent (sys->gl);
+
picture_Release (pic);
if (subpicture)
subpicture_Delete(subpicture);
case VOUT_DISPLAY_CHANGE_SOURCE_ASPECT:
case VOUT_DISPLAY_CHANGE_SOURCE_CROP:
{
- xcb_connection_t *conn = XGetXCBConnection (sys->display);
const vout_display_cfg_t *cfg;
const video_format_t *source;
- bool is_forced = false;
if (query == VOUT_DISPLAY_CHANGE_SOURCE_ASPECT
|| query == VOUT_DISPLAY_CHANGE_SOURCE_CROP)
{
source = &vd->source;
cfg = (const vout_display_cfg_t*)va_arg (ap, const vout_display_cfg_t *);
- if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE)
- is_forced = (bool)va_arg (ap, int);
}
/* */
- if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE
- && is_forced
- && (cfg->display.width != vd->cfg->display.width
- ||cfg->display.height != vd->cfg->display.height)
- && vout_window_SetSize (sys->embed,
- cfg->display.width, cfg->display.height))
- return VLC_EGENERIC;
+ if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE && va_arg (ap, int))
+ {
+ vout_window_SetSize (sys->embed,
+ cfg->display.width, cfg->display.height);
+ return VLC_EGENERIC; /* Always fail. See x11.c for rationale. */
+ }
vout_display_place_t place;
vout_display_PlacePicture (&place, source, cfg, false);
- /* Move the picture within the window */
- const uint32_t values[] = { place.x, place.y,
- place.width, place.height, };
- xcb_void_cookie_t ck =
- xcb_configure_window_checked (conn, sys->window,
- XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y
- | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
- values);
- if (CheckError (vd, conn, "cannot resize X11 window", ck))
- return VLC_EGENERIC;
-
- glViewport (0, 0, place.width, place.height);
+ vlc_gl_MakeCurrent (sys->gl);
+ glViewport (place.x, place.y, place.width, place.height);
+ vlc_gl_ReleaseCurrent (sys->gl);
return VLC_SUCCESS;
}
/* Hide the mouse. It will be send when
* vout_display_t::info.b_hide_mouse is false */
case VOUT_DISPLAY_HIDE_MOUSE:
- {
- xcb_connection_t *conn = XGetXCBConnection (sys->display);
-
- xcb_change_window_attributes (conn, sys->embed->handle.xid,
+ xcb_change_window_attributes (sys->conn, sys->embed->handle.xid,
XCB_CW_CURSOR, &(uint32_t){ sys->cursor });
- xcb_flush (conn);
+ xcb_flush (sys->conn);
return VLC_SUCCESS;
- }
case VOUT_DISPLAY_GET_OPENGL:
{
vlc_gl_t **gl = va_arg (ap, vlc_gl_t **);
- *gl = &sys->gl;
+ *gl = sys->gl;
return VLC_SUCCESS;
}
static void Manage (vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
- xcb_connection_t *conn = XGetXCBConnection (sys->display);
- ManageEvent (vd, conn, &sys->visible);
+ XCB_Manage (vd, sys->conn, &sys->visible);
}