1 /*****************************************************************************
2 * opengl.c: OpenGL video output
3 *****************************************************************************
4 * Copyright (C) 2004 VideoLAN
7 * Authors: Cyril Deguet <asmax@videolan.org>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Eric Petit <titer@m0k.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
29 #include <errno.h> /* ENOMEM */
30 #include <stdlib.h> /* malloc(), free() */
37 #include <OpenGL/gl.h>
38 #include <OpenGL/glext.h>
40 /* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
41 This allows sizes which are not powers of 2 */
42 #define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
44 /* OS X OpenGL supports YUV. Hehe. */
45 #define VLCGL_FORMAT GL_YCBCR_422_APPLE
46 #define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
50 #define VLCGL_TARGET GL_TEXTURE_2D
53 #ifndef GL_UNSIGNED_SHORT_5_6_5
54 #define GL_UNSIGNED_SHORT_5_6_5 0x8363
56 //#define VLCGL_RGB_FORMAT GL_RGB
57 //#define VLCGL_RGB_TYPE GL_UNSIGNED_SHORT_5_6_5
60 //#define VLCGL_RGB_FORMAT GL_RGB
61 //#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
64 #define VLCGL_RGB_FORMAT GL_RGBA
65 #define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
67 /* Use RGB on Win32/GLX */
68 #define VLCGL_FORMAT VLCGL_RGB_FORMAT
69 #define VLCGL_TYPE VLCGL_RGB_TYPE
73 #define OPENGL_EFFECT_NONE 1
74 #define OPENGL_EFFECT_CUBE 2
75 #define OPENGL_EFFECT_TRANSPARENT_CUBE 4
77 /*****************************************************************************
79 *****************************************************************************/
80 static int CreateVout ( vlc_object_t * );
81 static void DestroyVout ( vlc_object_t * );
82 static int Init ( vout_thread_t * );
83 static void End ( vout_thread_t * );
84 static int Manage ( vout_thread_t * );
85 static void Render ( vout_thread_t *, picture_t * );
86 static void DisplayVideo ( vout_thread_t *, picture_t * );
87 static int Control ( vout_thread_t *, int, va_list );
89 static inline int GetAlignedSize( int );
91 static int InitTextures( vout_thread_t * );
92 static int SendEvents( vlc_object_t *, char const *,
93 vlc_value_t, vlc_value_t, void * );
95 /*****************************************************************************
97 *****************************************************************************/
98 #define SPEED_TEXT N_( "OpenGL cube rotation speed" )
99 /*****************************************************************************
101 *****************************************************************************/
102 #define SPEED_TEXT N_( "OpenGL cube rotation speed" )
103 #define SPEED_LONGTEXT N_( "If the OpenGL cube effect is enabled, this " \
104 "controls its rotation speed." )
106 #define EFFECT_TEXT N_("Select effect")
107 #define EFFECT_LONGTEXT N_( \
108 "Allows you to select different visual effects.")
110 static char *ppsz_effects[] = {
111 "none", "cube", "transparent-cube" };
112 static char *ppsz_effects_text[] = {
113 N_("None"), N_("Cube"), N_("Transparent Cube") };
116 set_shortname( "OpenGL" );
117 set_category( CAT_VIDEO );
118 set_subcategory( SUBCAT_VIDEO_VOUT );
119 set_description( _("OpenGL video output") );
121 set_capability( "video output", 200 );
123 set_capability( "video output", 20 );
125 add_shortcut( "opengl" );
126 add_float( "opengl-cube-speed", 2.0, NULL, SPEED_TEXT,
127 SPEED_LONGTEXT, VLC_TRUE );
128 set_callbacks( CreateVout, DestroyVout );
129 add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
130 EFFECT_LONGTEXT, VLC_FALSE );
131 change_string_list( ppsz_effects, ppsz_effects_text, 0 );
134 /*****************************************************************************
135 * vout_sys_t: video output method descriptor
136 *****************************************************************************
137 * This structure is part of the video output thread descriptor.
138 * It describes the OpenGL specific properties of the output thread.
139 *****************************************************************************/
142 vout_thread_t *p_vout;
144 uint8_t *pp_buffer[2];
148 GLuint p_textures[2];
155 /*****************************************************************************
156 * CreateVout: This function allocates and initializes the OpenGL vout method.
157 *****************************************************************************/
158 static int CreateVout( vlc_object_t *p_this )
160 vout_thread_t *p_vout = (vout_thread_t *)p_this;
163 /* Allocate structure */
164 p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
167 msg_Err( p_vout, "out of memory" );
171 var_Create( p_vout, "opengl-effect", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
175 p_sys->i_tex_width = p_vout->render.i_width;
176 p_sys->i_tex_height = p_vout->render.i_height;
178 /* A texture must have a size aligned on a power of 2 */
179 p_sys->i_tex_width = GetAlignedSize( p_vout->render.i_width );
180 p_sys->i_tex_height = GetAlignedSize( p_vout->render.i_height );
183 msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
184 p_sys->i_tex_height );
188 (vout_thread_t *)vlc_object_create( p_this, VLC_OBJECT_OPENGL );
189 if( p_sys->p_vout == NULL )
191 msg_Err( p_vout, "out of memory" );
194 vlc_object_attach( p_sys->p_vout, p_this );
196 p_sys->p_vout->i_window_width = p_vout->i_window_width;
197 p_sys->p_vout->i_window_height = p_vout->i_window_height;
198 p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
199 p_sys->p_vout->render.i_width = p_vout->render.i_width;
200 p_sys->p_vout->render.i_height = p_vout->render.i_height;
201 p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
202 p_sys->p_vout->b_scale = p_vout->b_scale;
203 p_sys->p_vout->i_alignment = p_vout->i_alignment;
205 p_sys->p_vout->p_module =
206 module_Need( p_sys->p_vout, "opengl provider", NULL, 0 );
207 if( p_sys->p_vout->p_module == NULL )
209 msg_Warn( p_vout, "No OpenGL provider found" );
210 vlc_object_detach( p_sys->p_vout );
211 vlc_object_destroy( p_sys->p_vout );
215 p_sys->f_speed = var_CreateGetFloat( p_vout, "opengl-cube-speed" );
217 p_vout->pf_init = Init;
218 p_vout->pf_end = End;
219 p_vout->pf_manage = Manage;
220 p_vout->pf_render = Render;
221 p_vout->pf_display = DisplayVideo;
222 p_vout->pf_control = Control;
224 /* Forward events from the opengl provider */
225 var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
226 var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
227 var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
228 var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_INTEGER );
229 var_Create( p_sys->p_vout, "video-on-top",
230 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
232 var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
233 var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
234 var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
235 var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
240 /*****************************************************************************
241 * Init: initialize the OpenGL video thread output method
242 *****************************************************************************/
243 static int Init( vout_thread_t *p_vout )
245 vout_sys_t *p_sys = p_vout->p_sys;
249 p_sys->p_vout->pf_init( p_sys->p_vout );
252 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
253 p_vout->output.i_rmask = 0x00ff0000;
254 p_vout->output.i_gmask = 0x0000ff00;
255 p_vout->output.i_bmask = 0x000000ff;
258 #if VLCGL_RGB_FORMAT == GL_RGB
259 # if VLCGL_RGB_TYPE == GL_UNSIGNED_BYTE
260 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
261 p_vout->output.i_rmask = 0x000000ff;
262 p_vout->output.i_gmask = 0x0000ff00;
263 p_vout->output.i_bmask = 0x00ff0000;
266 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
267 p_vout->output.i_rmask = 0xf800;
268 p_vout->output.i_gmask = 0x07e0;
269 p_vout->output.i_bmask = 0x001f;
273 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
274 p_vout->output.i_rmask = 0x000000ff;
275 p_vout->output.i_gmask = 0x0000ff00;
276 p_vout->output.i_bmask = 0x00ff0000;
281 /* Since OpenGL can do rescaling for us, stick to the default
282 * coordinates and aspect. */
283 p_vout->output.i_width = p_vout->render.i_width;
284 p_vout->output.i_height = p_vout->render.i_height;
285 p_vout->output.i_aspect = p_vout->render.i_aspect;
287 /* We know the chroma, allocate one buffer which will be used
288 * directly by the decoder */
289 p_sys->pp_buffer[0] =
290 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
291 if( !p_sys->pp_buffer[0] )
293 msg_Err( p_vout, "Out of memory" );
296 p_sys->pp_buffer[1] =
297 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
298 if( !p_sys->pp_buffer[1] )
300 msg_Err( p_vout, "Out of memory" );
304 p_vout->p_picture[0].i_planes = 1;
305 p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
306 p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
307 p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
308 p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
309 p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
310 p_vout->p_picture[0].p->i_pixel_pitch;
311 p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
312 p_vout->p_picture[0].p->i_pixel_pitch;
314 p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
315 p_vout->p_picture[0].i_type = DIRECT_PICTURE;
317 PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
319 I_OUTPUTPICTURES = 1;
321 if( p_sys->p_vout->pf_lock &&
322 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
324 msg_Warn( p_vout, "could not lock OpenGL provider" );
328 InitTextures( p_vout );
331 glDisable(GL_DEPTH_TEST);
332 glDepthMask(GL_FALSE);
333 glDisable(GL_CULL_FACE);
334 glClear( GL_COLOR_BUFFER_BIT );
336 /* Check if the user asked for useless visual effects */
337 var_Get( p_vout, "opengl-effect", &val );
338 if( !val.psz_string || !strcmp( val.psz_string, "none" ))
340 p_sys->i_effect = OPENGL_EFFECT_NONE;
342 else if( !strcmp( val.psz_string, "cube" ) )
344 p_sys->i_effect = OPENGL_EFFECT_CUBE;
346 glEnable( GL_CULL_FACE);
347 //glEnable( GL_DEPTH_TEST );
349 else if( !strcmp( val.psz_string, "transparent-cube" ) )
351 p_sys->i_effect = OPENGL_EFFECT_TRANSPARENT_CUBE;
353 glDisable( GL_DEPTH_TEST );
354 glEnable( GL_BLEND );
355 glBlendFunc( GL_SRC_ALPHA, GL_ONE );
359 msg_Warn( p_vout, "no valid opengl effect provided, using "
361 p_sys->i_effect = OPENGL_EFFECT_NONE;
363 if( val.psz_string ) free( val.psz_string );
365 if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
366 OPENGL_EFFECT_TRANSPARENT_CUBE ) )
368 /* Set the perpective */
369 glMatrixMode( GL_PROJECTION );
371 glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
372 glMatrixMode( GL_MODELVIEW );
374 glTranslatef( 0.0, 0.0, - 5.0 );
377 if( p_sys->p_vout->pf_unlock )
379 p_sys->p_vout->pf_unlock( p_sys->p_vout );
385 /*****************************************************************************
386 * End: terminate GLX video thread output method
387 *****************************************************************************/
388 static void End( vout_thread_t *p_vout )
390 vout_sys_t *p_sys = p_vout->p_sys;
392 if( p_sys->p_vout->pf_lock &&
393 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
395 msg_Warn( p_vout, "could not lock OpenGL provider" );
402 if( p_sys->p_vout->pf_unlock )
404 p_sys->p_vout->pf_unlock( p_sys->p_vout );
408 /*****************************************************************************
409 * Destroy: destroy GLX video thread output method
410 *****************************************************************************
411 * Terminate an output method created by CreateVout
412 *****************************************************************************/
413 static void DestroyVout( vlc_object_t *p_this )
415 vout_thread_t *p_vout = (vout_thread_t *)p_this;
416 vout_sys_t *p_sys = p_vout->p_sys;
418 module_Unneed( p_sys->p_vout, p_sys->p_vout->p_module );
419 vlc_object_detach( p_sys->p_vout );
420 vlc_object_destroy( p_sys->p_vout );
422 /* Free the texture buffer*/
423 if( p_sys->pp_buffer[0] ) free( p_sys->pp_buffer[0] );
424 if( p_sys->pp_buffer[1] ) free( p_sys->pp_buffer[1] );
429 /*****************************************************************************
430 * Manage: handle Sys events
431 *****************************************************************************
432 * This function should be called regularly by video output thread. It returns
433 * a non null value if an error occurred.
434 *****************************************************************************/
435 static int Manage( vout_thread_t *p_vout )
437 vout_sys_t *p_sys = p_vout->p_sys;
438 int i_ret, i_fullscreen_change;
440 i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
442 p_sys->p_vout->i_changes = p_vout->i_changes;
443 i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
444 p_vout->i_changes = p_sys->p_vout->i_changes;
447 if( p_sys->p_vout->pf_lock &&
448 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
450 msg_Warn( p_vout, "could not lock OpenGL provider" );
454 /* On OS X, we create the window and the GL view when entering
455 fullscreen - the textures have to be inited again */
456 if( i_fullscreen_change )
458 InitTextures( p_vout );
460 switch( p_sys->i_effect )
462 case OPENGL_EFFECT_CUBE:
463 glEnable( GL_CULL_FACE );
466 case OPENGL_EFFECT_TRANSPARENT_CUBE:
467 glDisable( GL_DEPTH_TEST );
468 glEnable( GL_BLEND );
469 glBlendFunc( GL_SRC_ALPHA, GL_ONE );
473 if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
474 OPENGL_EFFECT_TRANSPARENT_CUBE ) )
476 /* Set the perpective */
477 glMatrixMode( GL_PROJECTION );
479 glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
480 glMatrixMode( GL_MODELVIEW );
482 glTranslatef( 0.0, 0.0, - 5.0 );
486 if( p_sys->p_vout->pf_unlock )
488 p_sys->p_vout->pf_unlock( p_sys->p_vout );
495 /*****************************************************************************
496 * Render: render previously calculated output
497 *****************************************************************************/
498 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
500 vout_sys_t *p_sys = p_vout->p_sys;
502 /* On Win32/GLX, we do this the usual way:
503 + Fill the buffer with new content,
504 + Reload the texture,
507 On OS X with VRAM or AGP texturing, the order has to be:
508 + Reload the texture,
509 + Fill the buffer with new content,
512 (Thanks to gcc from the Arstechnica forums for the tip)
514 Therefore, we have to use two buffers and textures. On Win32/GLX,
515 we reload the texture to be displayed and use it right away. On
516 OS X, we first render, then reload the texture to be used next
519 if( p_sys->p_vout->pf_lock &&
520 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
522 msg_Warn( p_vout, "could not lock OpenGL provider" );
528 i_new_index = ( p_sys->i_index + 1 ) & 1;
531 /* Update the texture */
532 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
533 glTexSubImage2D( VLCGL_TARGET, 0, 0, 0, p_sys->i_tex_width,
534 p_sys->i_tex_height, VLCGL_FORMAT, VLCGL_TYPE,
535 p_sys->pp_buffer[i_new_index] );
537 /* Bind to the previous texture for drawing */
538 glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
541 p_sys->i_index = i_new_index;
542 p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
545 /* Update the texture */
546 glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
547 p_vout->render.i_width, p_vout->render.i_height,
548 VLCGL_RGB_FORMAT, VLCGL_RGB_TYPE, p_sys->pp_buffer[0] );
551 if( p_sys->p_vout->pf_unlock )
553 p_sys->p_vout->pf_unlock( p_sys->p_vout );
557 /*****************************************************************************
558 * DisplayVideo: displays previously rendered output
559 *****************************************************************************/
560 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
562 vout_sys_t *p_sys = p_vout->p_sys;
563 float f_width, f_height;
565 if( p_sys->p_vout->pf_lock &&
566 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
568 msg_Warn( p_vout, "could not lock OpenGL provider" );
572 /* glTexCoord works differently with GL_TEXTURE_2D and
573 GL_TEXTURE_RECTANGLE_EXT */
575 f_width = (float)p_vout->output.i_width;
576 f_height = (float)p_vout->output.i_height;
578 f_width = (float)p_vout->output.i_width / p_sys->i_tex_width;
579 f_height = (float)p_vout->output.i_height / p_sys->i_tex_height;
582 /* Why drawing here and not in Render()? Because this way, the
583 OpenGL providers can call pf_display to force redraw. Currently,
584 the OS X provider uses it to get a smooth window resizing */
586 glClear( GL_COLOR_BUFFER_BIT );
588 if( p_sys->i_effect == OPENGL_EFFECT_NONE )
590 glEnable( VLCGL_TARGET );
591 glBegin( GL_POLYGON );
592 glTexCoord2f( 0.5, 0.5 ); glVertex2f( -1.0, 1.0 );
593 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex2f( 1.0, 1.0 );
594 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex2f( 1.0, -1.0 );
595 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex2f( -1.0, -1.0 );
600 glRotatef( 0.5 * p_sys->f_speed , 0.3, 0.5, 0.7 );
602 glEnable( VLCGL_TARGET );
606 glTexCoord2f( 0.5, 0.5 ); glVertex3f( - 1.0, 1.0, 1.0 );
607 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( - 1.0, - 1.0, 1.0 );
608 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( 1.0, - 1.0, 1.0 );
609 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex3f( 1.0, 1.0, 1.0 );
612 glTexCoord2f( 0.5, 0.5 ); glVertex3f( - 1.0, 1.0, - 1.0 );
613 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( - 1.0, - 1.0, - 1.0 );
614 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( - 1.0, - 1.0, 1.0 );
615 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex3f( - 1.0, 1.0, 1.0 );
618 glTexCoord2f( 0.5, 0.5 ); glVertex3f( 1.0, 1.0, - 1.0 );
619 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( 1.0, - 1.0, - 1.0 );
620 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( - 1.0, - 1.0, - 1.0 );
621 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex3f( - 1.0, 1.0, - 1.0 );
624 glTexCoord2f( 0.5, 0.5 ); glVertex3f( 1.0, 1.0, 1.0 );
625 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( 1.0, - 1.0, 1.0 );
626 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( 1.0, - 1.0, - 1.0 );
627 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex3f( 1.0, 1.0, - 1.0 );
630 glTexCoord2f( 0.5, 0.5 ); glVertex3f( - 1.0, 1.0, - 1.0 );
631 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( - 1.0, 1.0, 1.0 );
632 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( 1.0, 1.0, 1.0 );
633 glTexCoord2f( 0.5, f_height - 0.5 ); glVertex3f( - 1.0, - 1.0, - 1.0 );
634 glTexCoord2f( f_width - 0.5, f_height - 0.5 ); glVertex3f( 1.0, - 1.0, - 1.0 );
635 glTexCoord2f( f_width - 0.5, 0.5 ); glVertex3f( 1.0, - 1.0, 1.0 );
639 glDisable( VLCGL_TARGET );
641 p_sys->p_vout->pf_swap( p_sys->p_vout );
643 if( p_sys->p_vout->pf_unlock )
645 p_sys->p_vout->pf_unlock( p_sys->p_vout );
649 int GetAlignedSize( int i_size )
651 /* Return the nearest power of 2 */
653 while( i_result < i_size )
660 /*****************************************************************************
661 * Control: control facility for the vout
662 *****************************************************************************/
663 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
665 vout_sys_t *p_sys = p_vout->p_sys;
670 return vout_vaControlDefault( p_vout, i_query, args );
673 if( p_sys->p_vout->pf_control )
674 return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
676 return vout_vaControlDefault( p_vout, i_query, args );
680 static int InitTextures( vout_thread_t *p_vout )
682 vout_sys_t *p_sys = p_vout->p_sys;
685 glDeleteTextures( 2, p_sys->p_textures );
686 glGenTextures( 2, p_sys->p_textures );
688 for( i_index = 0; i_index < 2; i_index++ )
690 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
692 /* Set the texture parameters */
693 glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
695 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
696 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
698 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
699 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
701 glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
704 /* Tell the driver not to make a copy of the texture but to use
706 glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
707 glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
710 /* Use VRAM texturing */
711 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
712 GL_STORAGE_CACHED_APPLE );
714 /* Use AGP texturing */
715 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
716 GL_STORAGE_SHARED_APPLE );
720 /* Call glTexImage2D only once, and use glTexSubImage2D later */
721 glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
722 p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
723 p_sys->pp_buffer[i_index] );
729 /*****************************************************************************
730 * SendEvents: forward mouse and keyboard events to the parent p_vout
731 *****************************************************************************/
732 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
733 vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
735 return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );