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;
196 var_Create( p_sys->p_vout, "video-deco",
197 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
199 psz = var_CreateGetString( p_vout, "opengl-provider" );
200 p_sys->p_vout->p_module =
201 module_need( p_sys->p_vout, "opengl provider", psz, false );
203 if( p_sys->p_vout->p_module == NULL )
205 msg_Warn( p_vout, "No OpenGL provider found" );
206 vlc_object_detach( p_sys->p_vout );
207 vlc_object_release( p_sys->p_vout );
212 p_vout->pf_init = Init;
213 p_vout->pf_end = End;
214 p_vout->pf_manage = Manage;
215 p_vout->pf_render = Render;
216 p_vout->pf_display = DisplayVideo;
217 p_vout->pf_control = Control;
219 /* Forward events from the opengl provider */
220 var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
221 var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
222 var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
223 var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_BOOL );
224 var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
225 var_Create( p_sys->p_vout, "video-on-top",
226 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
227 var_Create( p_sys->p_vout, "autoscale",
228 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
229 var_Create( p_sys->p_vout, "scale",
230 VLC_VAR_FLOAT | 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 );
236 var_AddCallback( p_sys->p_vout, "mouse-button-down", SendEvents, p_vout );
237 var_AddCallback( p_vout, "autoscale", SendEvents, p_sys->p_vout );
238 var_AddCallback( p_vout, "scale", SendEvents, p_sys->p_vout );
243 /*****************************************************************************
244 * Init: initialize the OpenGL video thread output method
245 *****************************************************************************/
246 static int Init( vout_thread_t *p_vout )
248 vout_sys_t *p_sys = p_vout->p_sys;
251 p_sys->p_vout->pf_init( p_sys->p_vout );
253 /* TODO: We use YCbCr on Mac which is Y422, but on OSX it seems to == YUY2. Verify */
254 #if ( defined( WORDS_BIGENDIAN ) && VLCGL_FORMAT == GL_YCBCR_422_APPLE ) || (VLCGL_FORMAT == YCBCR_MESA)
255 p_vout->output.i_chroma = VLC_CODEC_YUYV;
258 #elif (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
259 p_vout->output.i_chroma = VLC_CODEC_UYVY;
262 #elif VLCGL_FORMAT == GL_RGB
263 # if VLCGL_TYPE == GL_UNSIGNED_BYTE
264 p_vout->output.i_chroma = VLC_CODEC_RGB24;
265 # if defined( WORDS_BIGENDIAN )
266 p_vout->output.i_rmask = 0x00ff0000;
267 p_vout->output.i_gmask = 0x0000ff00;
268 p_vout->output.i_bmask = 0x000000ff;
270 p_vout->output.i_rmask = 0x000000ff;
271 p_vout->output.i_gmask = 0x0000ff00;
272 p_vout->output.i_bmask = 0x00ff0000;
276 p_vout->output.i_chroma = VLC_CODEC_RGB16;
277 # if defined( WORDS_BIGENDIAN )
278 p_vout->output.i_rmask = 0x001f;
279 p_vout->output.i_gmask = 0x07e0;
280 p_vout->output.i_bmask = 0xf800;
282 p_vout->output.i_rmask = 0xf800;
283 p_vout->output.i_gmask = 0x07e0;
284 p_vout->output.i_bmask = 0x001f;
289 p_vout->output.i_chroma = VLC_CODEC_RGB32;
290 # if defined( WORDS_BIGENDIAN )
291 p_vout->output.i_rmask = 0xff000000;
292 p_vout->output.i_gmask = 0x00ff0000;
293 p_vout->output.i_bmask = 0x0000ff00;
295 p_vout->output.i_rmask = 0x000000ff;
296 p_vout->output.i_gmask = 0x0000ff00;
297 p_vout->output.i_bmask = 0x00ff0000;
302 /* Since OpenGL can do rescaling for us, stick to the default
303 * coordinates and aspect. */
304 p_vout->output.i_width = p_vout->render.i_width;
305 p_vout->output.i_height = p_vout->render.i_height;
306 p_vout->output.i_aspect = p_vout->render.i_aspect;
308 p_vout->fmt_out = p_vout->fmt_in;
309 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
311 /* We know the chroma, allocate one buffer which will be used
312 * directly by the decoder */
313 p_sys->pp_buffer[0] =
314 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
315 if( !p_sys->pp_buffer[0] )
317 p_sys->pp_buffer[1] =
318 malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
319 if( !p_sys->pp_buffer[1] )
322 p_vout->p_picture[0].i_planes = 1;
323 p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
324 p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
325 p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
326 p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
327 p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
328 p_vout->p_picture[0].p->i_pixel_pitch;
329 p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
330 p_vout->p_picture[0].p->i_pixel_pitch;
332 p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
333 p_vout->p_picture[0].i_type = DIRECT_PICTURE;
335 PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
337 I_OUTPUTPICTURES = 1;
339 if( p_sys->p_vout->pf_lock &&
340 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
342 msg_Warn( p_vout, "could not lock OpenGL provider" );
346 InitTextures( p_vout );
349 glDisable(GL_DEPTH_TEST);
350 glDepthMask(GL_FALSE);
351 glDisable(GL_CULL_FACE);
352 glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
353 glClear( GL_COLOR_BUFFER_BIT );
355 if( p_sys->p_vout->pf_unlock )
357 p_sys->p_vout->pf_unlock( p_sys->p_vout );
363 /*****************************************************************************
364 * End: terminate GLX video thread output method
365 *****************************************************************************/
366 static void End( vout_thread_t *p_vout )
368 vout_sys_t *p_sys = p_vout->p_sys;
370 if( p_sys->p_vout->pf_lock &&
371 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
373 msg_Warn( p_vout, "could not lock OpenGL provider" );
380 /* Free the texture buffer*/
381 glDeleteTextures( 2, p_sys->p_textures );
382 free( p_sys->pp_buffer[0] );
383 free( p_sys->pp_buffer[1] );
385 if( p_sys->p_vout->pf_unlock )
387 p_sys->p_vout->pf_unlock( p_sys->p_vout );
391 /*****************************************************************************
392 * Destroy: destroy GLX video thread output method
393 *****************************************************************************
394 * Terminate an output method created by CreateVout
395 *****************************************************************************/
396 static void DestroyVout( vlc_object_t *p_this )
398 vout_thread_t *p_vout = (vout_thread_t *)p_this;
399 vout_sys_t *p_sys = p_vout->p_sys;
401 module_unneed( p_sys->p_vout, p_sys->p_vout->p_module );
402 vlc_object_release( p_sys->p_vout );
407 /*****************************************************************************
408 * Manage: handle Sys events
409 *****************************************************************************
410 * This function should be called regularly by video output thread. It returns
411 * a non null value if an error occurred.
412 *****************************************************************************/
413 static int Manage( vout_thread_t *p_vout )
415 vout_sys_t *p_sys = p_vout->p_sys;
416 int i_ret, i_fullscreen_change;
418 i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
420 p_vout->fmt_out.i_x_offset = p_sys->p_vout->fmt_in.i_x_offset =
421 p_vout->fmt_in.i_x_offset;
422 p_vout->fmt_out.i_y_offset = p_sys->p_vout->fmt_in.i_y_offset =
423 p_vout->fmt_in.i_y_offset;
424 p_vout->fmt_out.i_visible_width = p_sys->p_vout->fmt_in.i_visible_width =
425 p_vout->fmt_in.i_visible_width;
426 p_vout->fmt_out.i_visible_height = p_sys->p_vout->fmt_in.i_visible_height =
427 p_vout->fmt_in.i_visible_height;
428 p_vout->fmt_out.i_aspect = p_sys->p_vout->fmt_in.i_aspect =
429 p_vout->fmt_in.i_aspect;
430 p_vout->fmt_out.i_sar_num = p_sys->p_vout->fmt_in.i_sar_num =
431 p_vout->fmt_in.i_sar_num;
432 p_vout->fmt_out.i_sar_den = p_sys->p_vout->fmt_in.i_sar_den =
433 p_vout->fmt_in.i_sar_den;
434 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
436 p_sys->p_vout->i_changes = p_vout->i_changes;
437 i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
438 p_vout->i_changes = p_sys->p_vout->i_changes;
441 if( p_sys->p_vout->pf_lock &&
442 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
444 msg_Warn( p_vout, "could not lock OpenGL provider" );
448 /* On OS X, we create the window and the GL view when entering
449 fullscreen - the textures have to be inited again */
450 if( i_fullscreen_change )
452 InitTextures( p_vout );
455 if( p_sys->p_vout->pf_unlock )
457 p_sys->p_vout->pf_unlock( p_sys->p_vout );
460 // to align in real time in OPENGL
461 if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
463 p_vout->i_changes |= VOUT_CROP_CHANGE; //to force change
464 p_sys->p_vout->i_alignment = p_vout->i_alignment;
467 /* forward signal that autoscale toggle has changed */
468 if (p_vout->i_changes & VOUT_SCALE_CHANGE )
470 p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
472 p_sys->p_vout->i_changes |= VOUT_SCALE_CHANGE;
475 /* forward signal that scale has changed */
476 if (p_vout->i_changes & VOUT_ZOOM_CHANGE )
478 p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
480 p_sys->p_vout->i_changes |= VOUT_ZOOM_CHANGE;
487 /*****************************************************************************
488 * Render: render previously calculated output
489 *****************************************************************************/
490 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,
527 p_vout->fmt_out.i_width,
528 p_vout->fmt_out.i_height,
529 VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[i_new_index] );
531 /* Bind to the previous texture for drawing */
532 glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
535 p_sys->i_index = i_new_index;
536 p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
539 /* Update the texture */
540 glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
541 p_vout->fmt_out.i_width,
542 p_vout->fmt_out.i_height,
543 VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[0] );
546 if( p_sys->p_vout->pf_unlock )
548 p_sys->p_vout->pf_unlock( p_sys->p_vout );
552 /*****************************************************************************
553 * DisplayVideo: displays previously rendered output
554 *****************************************************************************/
555 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
558 vout_sys_t *p_sys = p_vout->p_sys;
559 float f_width, f_height, f_x, f_y;
561 if( p_sys->p_vout->pf_lock &&
562 p_sys->p_vout->pf_lock( p_sys->p_vout ) )
564 msg_Warn( p_vout, "could not lock OpenGL provider" );
568 /* glTexCoord works differently with GL_TEXTURE_2D and
569 GL_TEXTURE_RECTANGLE_EXT */
571 f_x = (float)p_vout->fmt_out.i_x_offset;
572 f_y = (float)p_vout->fmt_out.i_y_offset;
573 f_width = (float)p_vout->fmt_out.i_x_offset +
574 (float)p_vout->fmt_out.i_visible_width;
575 f_height = (float)p_vout->fmt_out.i_y_offset +
576 (float)p_vout->fmt_out.i_visible_height;
578 f_x = (float)p_vout->fmt_out.i_x_offset / p_sys->i_tex_width;
579 f_y = (float)p_vout->fmt_out.i_y_offset / p_sys->i_tex_height;
580 f_width = ( (float)p_vout->fmt_out.i_x_offset +
581 p_vout->fmt_out.i_visible_width ) / p_sys->i_tex_width;
582 f_height = ( (float)p_vout->fmt_out.i_y_offset +
583 p_vout->fmt_out.i_visible_height ) / p_sys->i_tex_height;
586 /* Why drawing here and not in Render()? Because this way, the
587 OpenGL providers can call pf_display to force redraw. Currently,
588 the OS X provider uses it to get a smooth window resizing */
590 glClear( GL_COLOR_BUFFER_BIT );
592 glEnable( VLCGL_TARGET );
593 glBegin( GL_POLYGON );
594 glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
595 glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
596 glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
597 glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
600 glDisable( VLCGL_TARGET );
602 p_sys->p_vout->pf_swap( p_sys->p_vout );
604 if( p_sys->p_vout->pf_unlock )
606 p_sys->p_vout->pf_unlock( p_sys->p_vout );
610 int GetAlignedSize( int i_size )
612 /* Return the nearest power of 2 */
614 while( i_result < i_size )
621 /*****************************************************************************
622 * Control: control facility for the vout
623 *****************************************************************************/
624 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
626 vout_sys_t *p_sys = p_vout->p_sys;
628 if( p_sys->p_vout->pf_control )
629 return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
633 static int InitTextures( vout_thread_t *p_vout )
635 vout_sys_t *p_sys = p_vout->p_sys;
638 glDeleteTextures( 2, p_sys->p_textures );
639 glGenTextures( 2, p_sys->p_textures );
641 for( i_index = 0; i_index < 2; i_index++ )
643 glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
645 /* Set the texture parameters */
646 glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
648 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
649 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
651 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
652 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
654 glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
657 /* Tell the driver not to make a copy of the texture but to use
659 glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
660 glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
663 /* Use VRAM texturing */
664 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
665 GL_STORAGE_CACHED_APPLE );
667 /* Use AGP texturing */
668 glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
669 GL_STORAGE_SHARED_APPLE );
673 /* Call glTexImage2D only once, and use glTexSubImage2D later */
674 glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
675 p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
676 p_sys->pp_buffer[i_index] );
682 /*****************************************************************************
683 * SendEvents: forward mouse and keyboard events to the parent p_vout
684 *****************************************************************************/
685 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
686 vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
688 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
689 return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );