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 #define SPEED_LONGTEXT N_( "If the OpenGL cube effect is enabled, this " \
100 "controls its rotation speed." )
102 #define EFFECT_TEXT N_("Select effect")
103 #define EFFECT_LONGTEXT N_( \
104 "Allows you to select different visual effects.")
106 static char *ppsz_effects[] = {
107 "none", "cube", "transparent-cube" };
108 static char *ppsz_effects_text[] = {
109 N_("None"), N_("Cube"), N_("Transparent Cube") };
112 set_description( _("OpenGL video output") );
114 set_capability( "video output", 200 );
116 set_capability( "video output", 20 );
118 add_shortcut( "opengl" );
119 add_float( "opengl-cube-speed", 2.0, NULL, SPEED_TEXT,
120 SPEED_LONGTEXT, VLC_FALSE );
121 set_callbacks( CreateVout, DestroyVout );
122 add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
123 EFFECT_LONGTEXT, VLC_TRUE );
124 change_string_list( ppsz_effects, ppsz_effects_text, 0 );
127 /*****************************************************************************
128 * vout_sys_t: video output method descriptor
129 *****************************************************************************
130 * This structure is part of the video output thread descriptor.
131 * It describes the OpenGL specific properties of the output thread.
132 *****************************************************************************/
135 vout_thread_t *p_vout;
137 uint8_t *pp_buffer[2];
141 GLuint p_textures[2];
148 /*****************************************************************************
149 * CreateVout: This function allocates and initializes the OpenGL vout method.
150 *****************************************************************************/
151 static int CreateVout( vlc_object_t *p_this )
153 vout_thread_t *p_vout = (vout_thread_t *)p_this;
156 /* Allocate structure */
157 p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
160 msg_Err( p_vout, "out of memory" );
164 var_Create( p_vout, "opengl-effect", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
168 p_sys->i_tex_width = p_vout->render.i_width;
169 p_sys->i_tex_height = p_vout->render.i_height;
171 /* A texture must have a size aligned on a power of 2 */
172 p_sys->i_tex_width = GetAlignedSize( p_vout->render.i_width );
173 p_sys->i_tex_height = GetAlignedSize( p_vout->render.i_height );
176 msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
177 p_sys->i_tex_height );
181 (vout_thread_t *)vlc_object_create( p_this, VLC_OBJECT_OPENGL );
182 if( p_sys->p_vout == NULL )
184 msg_Err( p_vout, "out of memory" );
187 vlc_object_attach( p_sys->p_vout, p_this );
189 p_sys->p_vout->i_window_width = p_vout->i_window_width;
190 p_sys->p_vout->i_window_height = p_vout->i_window_height;
191 p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
192 p_sys->p_vout->render.i_width = p_vout->render.i_width;
193 p_sys->p_vout->render.i_height = p_vout->render.i_height;
194 p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
195 p_sys->p_vout->b_scale = p_vout->b_scale;
196 p_sys->p_vout->i_alignment = p_vout->i_alignment;
198 p_sys->p_vout->p_module =
199 module_Need( p_sys->p_vout, "opengl provider", NULL, 0 );
200 if( p_sys->p_vout->p_module == NULL )
202 msg_Warn( p_vout, "No OpenGL provider found" );
203 vlc_object_detach( p_sys->p_vout );
204 vlc_object_destroy( p_sys->p_vout );
208 p_sys->f_speed = var_CreateGetFloat( p_vout, "opengl-cube-speed" );
210 p_vout->pf_init = Init;
211 p_vout->pf_end = End;
212 p_vout->pf_manage = Manage;
213 p_vout->pf_render = Render;
214 p_vout->pf_display = DisplayVideo;
215 p_vout->pf_control = Control;
217 /* Forward events from the opengl provider */
218 var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
219 var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
220 var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
221 var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_INTEGER );
222 var_Create( p_sys->p_vout, "video-on-top",
223 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
225 var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
226 var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
227 var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
228 var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
233 /*****************************************************************************
234 * Init: initialize the OpenGL video thread output method
235 *****************************************************************************/
236 static int Init( vout_thread_t *p_vout )
238 vout_sys_t *p_sys = p_vout->p_sys;
242 p_sys->p_vout->pf_init( p_sys->p_vout );
245 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
246 p_vout->output.i_rmask = 0x00ff0000;
247 p_vout->output.i_gmask = 0x0000ff00;
248 p_vout->output.i_bmask = 0x000000ff;
251 #if VLCGL_RGB_FORMAT == GL_RGB
252 # if VLCGL_RGB_TYPE == GL_UNSIGNED_BYTE
253 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
254 p_vout->output.i_rmask = 0x000000ff;
255 p_vout->output.i_gmask = 0x0000ff00;
256 p_vout->output.i_bmask = 0x00ff0000;
259 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
260 p_vout->output.i_rmask = 0xf800;
261 p_vout->output.i_gmask = 0x07e0;
262 p_vout->output.i_bmask = 0x001f;
266 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
267 p_vout->output.i_rmask = 0x000000ff;
268 p_vout->output.i_gmask = 0x0000ff00;
269 p_vout->output.i_bmask = 0x00ff0000;
274 /* Since OpenGL can do rescaling for us, stick to the default
275 * coordinates and aspect. */
276 p_vout->output.i_width = p_vout->render.i_width;
277 p_vout->output.i_height = p_vout->render.i_height;
278 p_vout->output.i_aspect = p_vout->render.i_aspect;
280 /* We know the chroma, allocate one buffer which will be used
281 * directly by the decoder */
282 p_sys->pp_buffer[0] =
283 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
284 if( !p_sys->pp_buffer[0] )
286 msg_Err( p_vout, "Out of memory" );
289 p_sys->pp_buffer[1] =
290 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
291 if( !p_sys->pp_buffer[1] )
293 msg_Err( p_vout, "Out of memory" );
297 p_vout->p_picture[0].i_planes = 1;
298 p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
299 p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
300 p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
301 p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
302 p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
303 p_vout->p_picture[0].p->i_pixel_pitch;
304 p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
305 p_vout->p_picture[0].p->i_pixel_pitch;
307 p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
308 p_vout->p_picture[0].i_type = DIRECT_PICTURE;
310 PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
312 I_OUTPUTPICTURES = 1;
314 if( p_sys->p_vout->pf_lock &&
315 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
317 msg_Warn( p_vout, "could not lock OpenGL provider" );
321 InitTextures( p_vout );
324 glDisable(GL_DEPTH_TEST);
325 glDepthMask(GL_FALSE);
326 glDisable(GL_CULL_FACE);
327 glClear( GL_COLOR_BUFFER_BIT );
329 /* Check if the user asked for useless visual effects */
330 var_Get( p_vout, "opengl-effect", &val );
331 if( !val.psz_string || !strcmp( val.psz_string, "none" ))
333 p_sys->i_effect = OPENGL_EFFECT_NONE;
335 else if( !strcmp( val.psz_string, "cube" ) )
337 p_sys->i_effect = OPENGL_EFFECT_CUBE;
339 glEnable( GL_CULL_FACE);
340 //glEnable( GL_DEPTH_TEST );
342 else if( !strcmp( val.psz_string, "transparent-cube" ) )
344 p_sys->i_effect = OPENGL_EFFECT_TRANSPARENT_CUBE;
346 glDisable( GL_DEPTH_TEST );
347 glEnable( GL_BLEND );
348 glBlendFunc( GL_SRC_ALPHA, GL_ONE );
352 msg_Warn( p_vout, "no valid opengl effect provided, using "
354 p_sys->i_effect = OPENGL_EFFECT_NONE;
356 if( val.psz_string ) free( val.psz_string );
358 if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
359 OPENGL_EFFECT_TRANSPARENT_CUBE ) )
361 /* Set the perpective */
362 glMatrixMode( GL_PROJECTION );
364 glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
365 glMatrixMode( GL_MODELVIEW );
367 glTranslatef( 0.0, 0.0, - 5.0 );
370 if( p_sys->p_vout->pf_unlock )
372 p_sys->p_vout->pf_unlock( p_sys->p_vout );
378 /*****************************************************************************
379 * End: terminate GLX video thread output method
380 *****************************************************************************/
381 static void End( vout_thread_t *p_vout )
383 vout_sys_t *p_sys = p_vout->p_sys;
385 if( p_sys->p_vout->pf_lock &&
386 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
388 msg_Warn( p_vout, "could not lock OpenGL provider" );
395 if( p_sys->p_vout->pf_unlock )
397 p_sys->p_vout->pf_unlock( p_sys->p_vout );
401 /*****************************************************************************
402 * Destroy: destroy GLX video thread output method
403 *****************************************************************************
404 * Terminate an output method created by CreateVout
405 *****************************************************************************/
406 static void DestroyVout( vlc_object_t *p_this )
408 vout_thread_t *p_vout = (vout_thread_t *)p_this;
409 vout_sys_t *p_sys = p_vout->p_sys;
411 module_Unneed( p_sys->p_vout, p_sys->p_vout->p_module );
412 vlc_object_detach( p_sys->p_vout );
413 vlc_object_destroy( p_sys->p_vout );
415 /* Free the texture buffer*/
416 if( p_sys->pp_buffer[0] ) free( p_sys->pp_buffer[0] );
417 if( p_sys->pp_buffer[1] ) free( p_sys->pp_buffer[1] );
422 /*****************************************************************************
423 * Manage: handle Sys events
424 *****************************************************************************
425 * This function should be called regularly by video output thread. It returns
426 * a non null value if an error occurred.
427 *****************************************************************************/
428 static int Manage( vout_thread_t *p_vout )
430 vout_sys_t *p_sys = p_vout->p_sys;
431 int i_ret, i_fullscreen_change;
433 i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
435 p_sys->p_vout->i_changes = p_vout->i_changes;
436 i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
437 p_vout->i_changes = p_sys->p_vout->i_changes;
440 if( p_sys->p_vout->pf_lock &&
441 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
443 msg_Warn( p_vout, "could not lock OpenGL provider" );
447 /* On OS X, we create the window and the GL view when entering
448 fullscreen - the textures have to be inited again */
449 if( i_fullscreen_change )
451 InitTextures( p_vout );
453 switch( p_sys->i_effect )
455 case OPENGL_EFFECT_CUBE:
456 glEnable( GL_CULL_FACE );
459 case OPENGL_EFFECT_TRANSPARENT_CUBE:
460 glDisable( GL_DEPTH_TEST );
461 glEnable( GL_BLEND );
462 glBlendFunc( GL_SRC_ALPHA, GL_ONE );
466 if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
467 OPENGL_EFFECT_TRANSPARENT_CUBE ) )
469 /* Set the perpective */
470 glMatrixMode( GL_PROJECTION );
472 glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
473 glMatrixMode( GL_MODELVIEW );
475 glTranslatef( 0.0, 0.0, - 5.0 );
479 if( p_sys->p_vout->pf_unlock )
481 p_sys->p_vout->pf_unlock( p_sys->p_vout );
488 /*****************************************************************************
489 * Render: render previously calculated output
490 *****************************************************************************/
491 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
493 vout_sys_t *p_sys = p_vout->p_sys;
495 /* On Win32/GLX, we do this the usual way:
496 + Fill the buffer with new content,
497 + Reload the texture,
500 On OS X with VRAM or AGP texturing, the order has to be:
501 + Reload the texture,
502 + Fill the buffer with new content,
505 (Thanks to gcc from the Arstechnica forums for the tip)
507 Therefore, we have to use two buffers and textures. On Win32/GLX,
508 we reload the texture to be displayed and use it right away. On
509 OS X, we first render, then reload the texture to be used next
512 if( p_sys->p_vout->pf_lock &&
513 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
515 msg_Warn( p_vout, "could not lock OpenGL provider" );
521 i_new_index = ( p_sys->i_index + 1 ) & 1;
524 /* Update the texture */
525 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
526 glTexSubImage2D( VLCGL_TARGET, 0, 0, 0, p_sys->i_tex_width,
527 p_sys->i_tex_height, VLCGL_FORMAT, VLCGL_TYPE,
528 p_sys->pp_buffer[i_new_index] );
530 /* Bind to the previous texture for drawing */
531 glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
534 p_sys->i_index = i_new_index;
535 p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
538 /* Update the texture */
539 glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
540 p_vout->render.i_width, p_vout->render.i_height,
541 VLCGL_RGB_FORMAT, VLCGL_RGB_TYPE, p_sys->pp_buffer[0] );
544 if( p_sys->p_vout->pf_unlock )
546 p_sys->p_vout->pf_unlock( p_sys->p_vout );
550 /*****************************************************************************
551 * DisplayVideo: displays previously rendered output
552 *****************************************************************************/
553 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
555 vout_sys_t *p_sys = p_vout->p_sys;
556 float f_width, f_height;
558 /* glTexCoord works differently with GL_TEXTURE_2D and
559 GL_TEXTURE_RECTANGLE_EXT */
561 f_width = (float)p_vout->output.i_width;
562 f_height = (float)p_vout->output.i_height;
564 f_width = (float)p_vout->output.i_width / p_sys->i_tex_width;
565 f_height = (float)p_vout->output.i_height / p_sys->i_tex_height;
568 /* Why drawing here and not in Render()? Because this way, the
569 OpenGL providers can call pf_display to force redraw. Currently,
570 the OS X provider uses it to get a smooth window resizing */
572 if( p_sys->p_vout->pf_lock &&
573 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
575 msg_Warn( p_vout, "could not lock OpenGL provider" );
579 glClear( GL_COLOR_BUFFER_BIT );
581 if( p_sys->i_effect == OPENGL_EFFECT_NONE )
583 glEnable( VLCGL_TARGET );
584 glBegin( GL_POLYGON );
585 glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, 1.0 );
586 glTexCoord2f( f_width, 0.0 ); glVertex2f( 1.0, 1.0 );
587 glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
588 glTexCoord2f( 0.0, f_height ); glVertex2f( -1.0, -1.0 );
593 glRotatef( 0.5 * p_sys->f_speed , 0.3, 0.5, 0.7 );
595 glEnable( VLCGL_TARGET );
599 glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, 1.0 );
600 glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
601 glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
602 glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, 1.0 );
605 glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
606 glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
607 glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
608 glTexCoord2f( f_width, 0 ); glVertex3f( - 1.0, 1.0, 1.0 );
611 glTexCoord2f( 0, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
612 glTexCoord2f( 0, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
613 glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
614 glTexCoord2f( f_width, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
617 glTexCoord2f( 0, 0 ); glVertex3f( 1.0, 1.0, 1.0 );
618 glTexCoord2f( 0, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
619 glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
620 glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
623 glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
624 glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, 1.0, 1.0 );
625 glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, 1.0, 1.0 );
626 glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
629 glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, - 1.0, 1.0 );
630 glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
631 glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
632 glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, - 1.0, 1.0 );
636 glDisable( VLCGL_TARGET );
638 p_sys->p_vout->pf_swap( p_sys->p_vout );
640 if( p_sys->p_vout->pf_unlock )
642 p_sys->p_vout->pf_unlock( p_sys->p_vout );
646 int GetAlignedSize( int i_size )
648 /* Return the nearest power of 2 */
650 while( i_result < i_size )
657 /*****************************************************************************
658 * Control: control facility for the vout
659 *****************************************************************************/
660 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
662 vout_sys_t *p_sys = p_vout->p_sys;
667 return vout_vaControlDefault( p_vout, i_query, args );
670 if( p_sys->p_vout->pf_control )
671 return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
673 return vout_vaControlDefault( p_vout, i_query, args );
677 static int InitTextures( vout_thread_t *p_vout )
679 vout_sys_t *p_sys = p_vout->p_sys;
682 glDeleteTextures( 2, p_sys->p_textures );
683 glGenTextures( 2, p_sys->p_textures );
685 for( i_index = 0; i_index < 2; i_index++ )
687 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
689 /* Set the texture parameters */
690 glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
692 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
693 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
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 glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
701 /* Tell the driver not to make a copy of the texture but to use
703 glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
704 glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
707 /* Use VRAM texturing */
708 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
709 GL_STORAGE_CACHED_APPLE );
711 /* Use AGP texturing */
712 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
713 GL_STORAGE_SHARED_APPLE );
717 /* Call glTexImage2D only once, and use glTexSubImage2D later */
718 glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
719 p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
720 p_sys->pp_buffer[i_index] );
726 /*****************************************************************************
727 * SendEvents: forward mouse and keyboard events to the parent p_vout
728 *****************************************************************************/
729 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
730 vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
732 return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );