1 /*****************************************************************************
2 * opengl.c: OpenGL video output
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@videolan.org>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Eric Petit <titer@m0k.org>
10 * Cedric Cocquebert <cedric.cocquebert@supelec.fr>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
35 #include <errno.h> /* ENOMEM */
37 #include <vlc_common.h>
38 #include <vlc_plugin.h>
42 #include <OpenGL/gl.h>
43 #include <OpenGL/glext.h>
45 /* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
46 This allows sizes which are not powers of 2 */
47 #define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
49 /* OS X OpenGL supports YUV. Hehe. */
50 #define VLCGL_FORMAT GL_YCBCR_422_APPLE
51 #define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
55 #define VLCGL_TARGET GL_TEXTURE_2D
58 #ifndef GL_UNSIGNED_SHORT_5_6_5
59 #define GL_UNSIGNED_SHORT_5_6_5 0x8363
61 //#define VLCGL_RGB_FORMAT GL_RGB
62 //#define VLCGL_RGB_TYPE GL_UNSIGNED_SHORT_5_6_5
65 //#define VLCGL_RGB_FORMAT GL_RGB
66 //#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
69 #define VLCGL_RGB_FORMAT GL_RGBA
70 #define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
74 #define YCBCR_MESA 0x8757
76 #ifndef UNSIGNED_SHORT_8_8_MESA
77 #define UNSIGNED_SHORT_8_8_MESA 0x85BA
79 #define VLCGL_YUV_FORMAT YCBCR_MESA
80 #define VLCGL_YUV_TYPE UNSIGNED_SHORT_8_8_MESA
82 /* Use RGB on Win32/GLX */
83 #define VLCGL_FORMAT VLCGL_RGB_FORMAT
84 #define VLCGL_TYPE VLCGL_RGB_TYPE
85 //#define VLCGL_FORMAT VLCGL_YUV_FORMAT
86 //#define VLCGL_TYPE VLCGL_YUV_TYPE
89 #ifndef GL_CLAMP_TO_EDGE
90 # define GL_CLAMP_TO_EDGE 0x812F
93 /*****************************************************************************
95 *****************************************************************************/
96 static int CreateVout ( vlc_object_t * );
97 static void DestroyVout ( vlc_object_t * );
98 static int Init ( vout_thread_t * );
99 static void End ( vout_thread_t * );
100 static int Manage ( vout_thread_t * );
101 static void Render ( vout_thread_t *, picture_t * );
102 static void DisplayVideo ( vout_thread_t *, picture_t * );
103 static int Control ( vout_thread_t *, int, va_list );
105 static inline int GetAlignedSize( int );
107 static int InitTextures ( vout_thread_t * );
108 static int SendEvents ( vlc_object_t *, char const *,
109 vlc_value_t, vlc_value_t, void * );
111 #define PROVIDER_TEXT N_("OpenGL Provider")
112 #define PROVIDER_LONGTEXT N_("Allows you to modify what OpenGL provider should be used")
115 set_shortname( "OpenGL" )
116 set_category( CAT_VIDEO )
117 set_subcategory( SUBCAT_VIDEO_VOUT )
118 set_description( N_("OpenGL video output") )
120 set_capability( "video output", 200 )
122 set_capability( "video output", 20 )
124 add_shortcut( "opengl" )
125 /* Allow opengl provider plugin selection */
126 add_module( "opengl-provider", "opengl provider", NULL, NULL,
127 PROVIDER_TEXT, PROVIDER_LONGTEXT, true )
128 set_callbacks( CreateVout, DestroyVout )
131 /*****************************************************************************
132 * vout_sys_t: video output method descriptor
133 *****************************************************************************
134 * This structure is part of the video output thread descriptor.
135 * It describes the OpenGL specific properties of the output thread.
136 *****************************************************************************/
139 vout_thread_t *p_vout;
141 uint8_t *pp_buffer[2];
145 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;
157 /* Allocate structure */
158 p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
164 p_sys->i_tex_width = p_vout->fmt_in.i_width;
165 p_sys->i_tex_height = p_vout->fmt_in.i_height;
167 /* A texture must have a size aligned on a power of 2 */
168 p_sys->i_tex_width = GetAlignedSize( p_vout->fmt_in.i_width );
169 p_sys->i_tex_height = GetAlignedSize( p_vout->fmt_in.i_height );
172 msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
173 p_sys->i_tex_height );
177 (vout_thread_t *)vlc_object_create( p_this, sizeof( vout_thread_t ) );
178 if( p_sys->p_vout == NULL )
183 vlc_object_attach( p_sys->p_vout, p_this );
185 p_sys->p_vout->i_window_width = p_vout->i_window_width;
186 p_sys->p_vout->i_window_height = p_vout->i_window_height;
187 p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
188 p_sys->p_vout->render.i_width = p_vout->render.i_width;
189 p_sys->p_vout->render.i_height = p_vout->render.i_height;
190 p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
191 p_sys->p_vout->fmt_render = p_vout->fmt_render;
192 p_sys->p_vout->fmt_in = p_vout->fmt_in;
193 p_sys->p_vout->b_autoscale = p_vout->b_autoscale;
194 p_sys->p_vout->i_zoom = p_vout->i_zoom;
195 p_sys->p_vout->i_alignment = p_vout->i_alignment;
197 psz = var_CreateGetString( p_vout, "opengl-provider" );
198 p_sys->p_vout->p_module =
199 module_need( p_sys->p_vout, "opengl provider", psz, false );
201 if( p_sys->p_vout->p_module == NULL )
203 msg_Warn( p_vout, "No OpenGL provider found" );
204 vlc_object_detach( p_sys->p_vout );
205 vlc_object_release( p_sys->p_vout );
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_BOOL );
222 var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
223 var_Create( p_sys->p_vout, "video-on-top",
224 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
225 var_Create( p_sys->p_vout, "autoscale",
226 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
227 var_Create( p_sys->p_vout, "scale",
228 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
230 var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
231 var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
232 var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
233 var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
234 var_AddCallback( p_sys->p_vout, "mouse-button-down", SendEvents, p_vout );
235 var_AddCallback( p_vout, "autoscale", SendEvents, p_sys->p_vout );
236 var_AddCallback( p_vout, "scale", SendEvents, p_sys->p_vout );
241 /*****************************************************************************
242 * Init: initialize the OpenGL video thread output method
243 *****************************************************************************/
244 static int Init( vout_thread_t *p_vout )
246 vout_sys_t *p_sys = p_vout->p_sys;
249 p_sys->p_vout->pf_init( p_sys->p_vout );
251 /* TODO: We use YCbCr on Mac which is Y422, but on OSX it seems to == YUY2. Verify */
252 #if ( defined( WORDS_BIGENDIAN ) && VLCGL_FORMAT == GL_YCBCR_422_APPLE ) || (VLCGL_FORMAT == YCBCR_MESA)
253 p_vout->output.i_chroma = VLC_CODEC_YUYV;
256 #elif (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
257 p_vout->output.i_chroma = VLC_CODEC_UYVY;
260 #elif VLCGL_FORMAT == GL_RGB
261 # if VLCGL_TYPE == GL_UNSIGNED_BYTE
262 p_vout->output.i_chroma = VLC_CODEC_RGB24;
263 # if defined( WORDS_BIGENDIAN )
264 p_vout->output.i_rmask = 0x00ff0000;
265 p_vout->output.i_gmask = 0x0000ff00;
266 p_vout->output.i_bmask = 0x000000ff;
268 p_vout->output.i_rmask = 0x000000ff;
269 p_vout->output.i_gmask = 0x0000ff00;
270 p_vout->output.i_bmask = 0x00ff0000;
274 p_vout->output.i_chroma = VLC_CODEC_RGB16;
275 # if defined( WORDS_BIGENDIAN )
276 p_vout->output.i_rmask = 0x001f;
277 p_vout->output.i_gmask = 0x07e0;
278 p_vout->output.i_bmask = 0xf800;
280 p_vout->output.i_rmask = 0xf800;
281 p_vout->output.i_gmask = 0x07e0;
282 p_vout->output.i_bmask = 0x001f;
287 p_vout->output.i_chroma = VLC_CODEC_RGB32;
288 # if defined( WORDS_BIGENDIAN )
289 p_vout->output.i_rmask = 0xff000000;
290 p_vout->output.i_gmask = 0x00ff0000;
291 p_vout->output.i_bmask = 0x0000ff00;
293 p_vout->output.i_rmask = 0x000000ff;
294 p_vout->output.i_gmask = 0x0000ff00;
295 p_vout->output.i_bmask = 0x00ff0000;
300 /* Since OpenGL can do rescaling for us, stick to the default
301 * coordinates and aspect. */
302 p_vout->output.i_width = p_vout->render.i_width;
303 p_vout->output.i_height = p_vout->render.i_height;
304 p_vout->output.i_aspect = p_vout->render.i_aspect;
306 p_vout->fmt_out = p_vout->fmt_in;
307 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
309 /* We know the chroma, allocate one buffer which will be used
310 * directly by the decoder */
311 p_sys->pp_buffer[0] =
312 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
313 if( !p_sys->pp_buffer[0] )
315 p_sys->pp_buffer[1] =
316 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
317 if( !p_sys->pp_buffer[1] )
320 p_vout->p_picture[0].i_planes = 1;
321 p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
322 p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
323 p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
324 p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
325 p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
326 p_vout->p_picture[0].p->i_pixel_pitch;
327 p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
328 p_vout->p_picture[0].p->i_pixel_pitch;
330 p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
331 p_vout->p_picture[0].i_type = DIRECT_PICTURE;
333 PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
335 I_OUTPUTPICTURES = 1;
337 if( p_sys->p_vout->pf_lock &&
338 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
340 msg_Warn( p_vout, "could not lock OpenGL provider" );
344 InitTextures( p_vout );
347 glDisable(GL_DEPTH_TEST);
348 glDepthMask(GL_FALSE);
349 glDisable(GL_CULL_FACE);
350 glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
351 glClear( GL_COLOR_BUFFER_BIT );
353 if( p_sys->p_vout->pf_unlock )
355 p_sys->p_vout->pf_unlock( p_sys->p_vout );
361 /*****************************************************************************
362 * End: terminate GLX video thread output method
363 *****************************************************************************/
364 static void End( vout_thread_t *p_vout )
366 vout_sys_t *p_sys = p_vout->p_sys;
368 if( p_sys->p_vout->pf_lock &&
369 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
371 msg_Warn( p_vout, "could not lock OpenGL provider" );
378 /* Free the texture buffer*/
379 glDeleteTextures( 2, p_sys->p_textures );
380 free( p_sys->pp_buffer[0] );
381 free( p_sys->pp_buffer[1] );
383 if( p_sys->p_vout->pf_unlock )
385 p_sys->p_vout->pf_unlock( p_sys->p_vout );
389 /*****************************************************************************
390 * Destroy: destroy GLX video thread output method
391 *****************************************************************************
392 * Terminate an output method created by CreateVout
393 *****************************************************************************/
394 static void DestroyVout( vlc_object_t *p_this )
396 vout_thread_t *p_vout = (vout_thread_t *)p_this;
397 vout_sys_t *p_sys = p_vout->p_sys;
399 module_unneed( p_sys->p_vout, p_sys->p_vout->p_module );
400 vlc_object_release( p_sys->p_vout );
405 /*****************************************************************************
406 * Manage: handle Sys events
407 *****************************************************************************
408 * This function should be called regularly by video output thread. It returns
409 * a non null value if an error occurred.
410 *****************************************************************************/
411 static int Manage( vout_thread_t *p_vout )
413 vout_sys_t *p_sys = p_vout->p_sys;
414 int i_ret, i_fullscreen_change;
416 i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
418 p_vout->fmt_out.i_x_offset = p_sys->p_vout->fmt_in.i_x_offset =
419 p_vout->fmt_in.i_x_offset;
420 p_vout->fmt_out.i_y_offset = p_sys->p_vout->fmt_in.i_y_offset =
421 p_vout->fmt_in.i_y_offset;
422 p_vout->fmt_out.i_visible_width = p_sys->p_vout->fmt_in.i_visible_width =
423 p_vout->fmt_in.i_visible_width;
424 p_vout->fmt_out.i_visible_height = p_sys->p_vout->fmt_in.i_visible_height =
425 p_vout->fmt_in.i_visible_height;
426 p_vout->fmt_out.i_aspect = p_sys->p_vout->fmt_in.i_aspect =
427 p_vout->fmt_in.i_aspect;
428 p_vout->fmt_out.i_sar_num = p_sys->p_vout->fmt_in.i_sar_num =
429 p_vout->fmt_in.i_sar_num;
430 p_vout->fmt_out.i_sar_den = p_sys->p_vout->fmt_in.i_sar_den =
431 p_vout->fmt_in.i_sar_den;
432 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
434 p_sys->p_vout->i_changes = p_vout->i_changes;
435 i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
436 p_vout->i_changes = p_sys->p_vout->i_changes;
439 if( p_sys->p_vout->pf_lock &&
440 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
442 msg_Warn( p_vout, "could not lock OpenGL provider" );
446 /* On OS X, we create the window and the GL view when entering
447 fullscreen - the textures have to be inited again */
448 if( i_fullscreen_change )
450 InitTextures( p_vout );
453 if( p_sys->p_vout->pf_unlock )
455 p_sys->p_vout->pf_unlock( p_sys->p_vout );
458 // to align in real time in OPENGL
459 if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
461 p_vout->i_changes |= VOUT_CROP_CHANGE; //to force change
462 p_sys->p_vout->i_alignment = p_vout->i_alignment;
465 /* forward signal that autoscale toggle has changed */
466 if (p_vout->i_changes & VOUT_SCALE_CHANGE )
468 p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
470 p_sys->p_vout->i_changes |= VOUT_SCALE_CHANGE;
473 /* forward signal that scale has changed */
474 if (p_vout->i_changes & VOUT_ZOOM_CHANGE )
476 p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
478 p_sys->p_vout->i_changes |= VOUT_ZOOM_CHANGE;
485 /*****************************************************************************
486 * Render: render previously calculated output
487 *****************************************************************************/
488 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
491 vout_sys_t *p_sys = p_vout->p_sys;
493 /* On Win32/GLX, we do this the usual way:
494 + Fill the buffer with new content,
495 + Reload the texture,
498 On OS X with VRAM or AGP texturing, the order has to be:
499 + Reload the texture,
500 + Fill the buffer with new content,
503 (Thanks to gcc from the Arstechnica forums for the tip)
505 Therefore, we have to use two buffers and textures. On Win32/GLX,
506 we reload the texture to be displayed and use it right away. On
507 OS X, we first render, then reload the texture to be used next
510 if( p_sys->p_vout->pf_lock &&
511 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
513 msg_Warn( p_vout, "could not lock OpenGL provider" );
519 i_new_index = ( p_sys->i_index + 1 ) & 1;
522 /* Update the texture */
523 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
524 glTexSubImage2D( VLCGL_TARGET, 0, 0, 0,
525 p_vout->fmt_out.i_width,
526 p_vout->fmt_out.i_height,
527 VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[i_new_index] );
529 /* Bind to the previous texture for drawing */
530 glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
533 p_sys->i_index = i_new_index;
534 p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
537 /* Update the texture */
538 glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
539 p_vout->fmt_out.i_width,
540 p_vout->fmt_out.i_height,
541 VLCGL_FORMAT, VLCGL_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 )
556 vout_sys_t *p_sys = p_vout->p_sys;
557 float f_width, f_height, f_x, f_y;
559 if( p_sys->p_vout->pf_lock &&
560 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
562 msg_Warn( p_vout, "could not lock OpenGL provider" );
566 /* glTexCoord works differently with GL_TEXTURE_2D and
567 GL_TEXTURE_RECTANGLE_EXT */
569 f_x = (float)p_vout->fmt_out.i_x_offset;
570 f_y = (float)p_vout->fmt_out.i_y_offset;
571 f_width = (float)p_vout->fmt_out.i_x_offset +
572 (float)p_vout->fmt_out.i_visible_width;
573 f_height = (float)p_vout->fmt_out.i_y_offset +
574 (float)p_vout->fmt_out.i_visible_height;
576 f_x = (float)p_vout->fmt_out.i_x_offset / p_sys->i_tex_width;
577 f_y = (float)p_vout->fmt_out.i_y_offset / p_sys->i_tex_height;
578 f_width = ( (float)p_vout->fmt_out.i_x_offset +
579 p_vout->fmt_out.i_visible_width ) / p_sys->i_tex_width;
580 f_height = ( (float)p_vout->fmt_out.i_y_offset +
581 p_vout->fmt_out.i_visible_height ) / p_sys->i_tex_height;
584 /* Why drawing here and not in Render()? Because this way, the
585 OpenGL providers can call pf_display to force redraw. Currently,
586 the OS X provider uses it to get a smooth window resizing */
588 glClear( GL_COLOR_BUFFER_BIT );
590 glEnable( VLCGL_TARGET );
591 glBegin( GL_POLYGON );
592 glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
593 glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
594 glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
595 glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
598 glDisable( VLCGL_TARGET );
600 p_sys->p_vout->pf_swap( p_sys->p_vout );
602 if( p_sys->p_vout->pf_unlock )
604 p_sys->p_vout->pf_unlock( p_sys->p_vout );
608 int GetAlignedSize( int i_size )
610 /* Return the nearest power of 2 */
612 while( i_result < i_size )
619 /*****************************************************************************
620 * Control: control facility for the vout
621 *****************************************************************************/
622 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
624 vout_sys_t *p_sys = p_vout->p_sys;
626 if( p_sys->p_vout->pf_control )
627 return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
631 static int InitTextures( vout_thread_t *p_vout )
633 vout_sys_t *p_sys = p_vout->p_sys;
636 glDeleteTextures( 2, p_sys->p_textures );
637 glGenTextures( 2, p_sys->p_textures );
639 for( i_index = 0; i_index < 2; i_index++ )
641 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
643 /* Set the texture parameters */
644 glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
646 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
647 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
649 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
650 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
652 glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
655 /* Tell the driver not to make a copy of the texture but to use
657 glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
658 glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
661 /* Use VRAM texturing */
662 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
663 GL_STORAGE_CACHED_APPLE );
665 /* Use AGP texturing */
666 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
667 GL_STORAGE_SHARED_APPLE );
671 /* Call glTexImage2D only once, and use glTexSubImage2D later */
672 glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
673 p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
674 p_sys->pp_buffer[i_index] );
680 /*****************************************************************************
681 * SendEvents: forward mouse and keyboard events to the parent p_vout
682 *****************************************************************************/
683 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
684 vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
686 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
687 return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );