opengl.c
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上传日期:2009-03-27
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文件大小:22k
- /*****************************************************************************
- * opengl.c: OpenGL video output
- *****************************************************************************
- * Copyright (C) 2004 VideoLAN
- * $Id: opengl.c 8950 2004-10-07 22:05:34Z hartman $
- *
- * Authors: Cyril Deguet <asmax@videolan.org>
- * Gildas Bazin <gbazin@videolan.org>
- *
- * This program 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 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <errno.h> /* ENOMEM */
- #include <stdlib.h> /* malloc(), free() */
- #include <string.h>
- #include <vlc/vlc.h>
- #include <vlc/vout.h>
- #ifdef SYS_DARWIN
- #include <OpenGL/gl.h>
- #include <OpenGL/glext.h>
- /* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
- This allows sizes which are not powers of 2 */
- #define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
- /* OS X OpenGL supports YUV. Hehe. */
- #define VLCGL_FORMAT GL_YCBCR_422_APPLE
- #define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
- #else
- #include <GL/gl.h>
- #define VLCGL_TARGET GL_TEXTURE_2D
- /* RV16 */
- #ifndef GL_UNSIGNED_SHORT_5_6_5
- #define GL_UNSIGNED_SHORT_5_6_5 0x8363
- #endif
- //#define VLCGL_RGB_FORMAT GL_RGB
- //#define VLCGL_RGB_TYPE GL_UNSIGNED_SHORT_5_6_5
- /* RV24 */
- //#define VLCGL_RGB_FORMAT GL_RGB
- //#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
- /* RV32 */
- #define VLCGL_RGB_FORMAT GL_RGBA
- #define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
- /* Use RGB on Win32/GLX */
- #define VLCGL_FORMAT VLCGL_RGB_FORMAT
- #define VLCGL_TYPE VLCGL_RGB_TYPE
- #endif
- /* OpenGL effects */
- #define OPENGL_EFFECT_NONE 1
- #define OPENGL_EFFECT_CUBE 2
- #define OPENGL_EFFECT_TRANSPARENT_CUBE 4
- /*****************************************************************************
- * Vout interface
- *****************************************************************************/
- static int CreateVout ( vlc_object_t * );
- static void DestroyVout ( vlc_object_t * );
- static int Init ( vout_thread_t * );
- static void End ( vout_thread_t * );
- static int Manage ( vout_thread_t * );
- static void Render ( vout_thread_t *, picture_t * );
- static void DisplayVideo ( vout_thread_t *, picture_t * );
- static int Control ( vout_thread_t *, int, va_list );
- static inline int GetAlignedSize( int );
- static int InitTextures( vout_thread_t * );
- static int SendEvents( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- #define EFFECT_TEXT N_("Effect")
- #define EFFECT_LONGTEXT N_(
- "Allows you to select different visual effects.")
- static char *ppsz_effects[] = {
- "none", "cube", "transparent-cube" };
- static char *ppsz_effects_text[] = {
- N_("None"), N_("Cube"), N_("Transparent Cube") };
- vlc_module_begin();
- set_description( _("OpenGL video output") );
- #ifdef SYS_DARWIN
- set_capability( "video output", 0 );
- #else
- set_capability( "video output", 20 );
- #endif
- add_shortcut( "opengl" );
- set_callbacks( CreateVout, DestroyVout );
- add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
- EFFECT_LONGTEXT, VLC_TRUE );
- change_string_list( ppsz_effects, ppsz_effects_text, 0 );
- vlc_module_end();
- /*****************************************************************************
- * vout_sys_t: video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the OpenGL specific properties of the output thread.
- *****************************************************************************/
- struct vout_sys_t
- {
- vout_thread_t *p_vout;
- uint8_t *pp_buffer[2];
- int i_index;
- int i_tex_width;
- int i_tex_height;
- GLuint p_textures[2];
- int i_effect;
- };
- /*****************************************************************************
- * CreateVout: This function allocates and initializes the OpenGL vout method.
- *****************************************************************************/
- static int CreateVout( vlc_object_t *p_this )
- {
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys;
- /* Allocate structure */
- p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_sys == NULL )
- {
- msg_Err( p_vout, "out of memory" );
- return VLC_EGENERIC;
- }
- var_Create( p_vout, "opengl-effect", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- #ifdef SYS_DARWIN
- p_sys->i_tex_width = p_vout->render.i_width;
- p_sys->i_tex_height = p_vout->render.i_height;
- #else
- /* A texture must have a size aligned on a power of 2 */
- p_sys->i_tex_width = GetAlignedSize( p_vout->render.i_width );
- p_sys->i_tex_height = GetAlignedSize( p_vout->render.i_height );
- #endif
- msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
- p_sys->i_tex_height );
- /* Get window */
- p_sys->p_vout =
- (vout_thread_t *)vlc_object_create( p_this, VLC_OBJECT_OPENGL );
- if( p_sys->p_vout == NULL )
- {
- msg_Err( p_vout, "out of memory" );
- return VLC_ENOMEM;
- }
- vlc_object_attach( p_sys->p_vout, p_this );
- p_sys->p_vout->i_window_width = p_vout->i_window_width;
- p_sys->p_vout->i_window_height = p_vout->i_window_height;
- p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
- p_sys->p_vout->render.i_width = p_vout->render.i_width;
- p_sys->p_vout->render.i_height = p_vout->render.i_height;
- p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
- p_sys->p_vout->b_scale = p_vout->b_scale;
- p_sys->p_vout->i_alignment = p_vout->i_alignment;
- p_sys->p_vout->p_module =
- module_Need( p_sys->p_vout, "opengl provider", NULL, 0 );
- if( p_sys->p_vout->p_module == NULL )
- {
- msg_Warn( p_vout, "No OpenGL provider found" );
- vlc_object_detach( p_sys->p_vout );
- vlc_object_destroy( p_sys->p_vout );
- return VLC_ENOOBJ;
- }
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = Manage;
- p_vout->pf_render = Render;
- p_vout->pf_display = DisplayVideo;
- p_vout->pf_control = Control;
- /* Forward events from the opengl provider */
- var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
- var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "video-on-top",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Init: initialize the OpenGL video thread output method
- *****************************************************************************/
- static int Init( vout_thread_t *p_vout )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_pixel_pitch;
- vlc_value_t val;
- p_sys->p_vout->pf_init( p_sys->p_vout );
- #ifdef SYS_DARWIN
- p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
- p_vout->output.i_rmask = 0x00ff0000;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x000000ff;
- i_pixel_pitch = 2;
- #else
- #if VLCGL_RGB_FORMAT == GL_RGB
- # if VLCGL_RGB_TYPE == GL_UNSIGNED_BYTE
- p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
- p_vout->output.i_rmask = 0x000000ff;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x00ff0000;
- i_pixel_pitch = 3;
- # else
- p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
- p_vout->output.i_rmask = 0xf800;
- p_vout->output.i_gmask = 0x07e0;
- p_vout->output.i_bmask = 0x001f;
- i_pixel_pitch = 2;
- # endif
- #else
- p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
- p_vout->output.i_rmask = 0x000000ff;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x00ff0000;
- i_pixel_pitch = 4;
- #endif
- #endif
- /* Since OpenGL can do rescaling for us, stick to the default
- * coordinates and aspect. */
- p_vout->output.i_width = p_vout->render.i_width;
- p_vout->output.i_height = p_vout->render.i_height;
- p_vout->output.i_aspect = p_vout->render.i_aspect;
- /* We know the chroma, allocate one buffer which will be used
- * directly by the decoder */
- p_sys->pp_buffer[0] =
- malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
- if( !p_sys->pp_buffer[0] )
- {
- msg_Err( p_vout, "Out of memory" );
- return -1;
- }
- p_sys->pp_buffer[1] =
- malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
- if( !p_sys->pp_buffer[1] )
- {
- msg_Err( p_vout, "Out of memory" );
- return -1;
- }
- p_vout->p_picture[0].i_planes = 1;
- p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
- p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
- p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
- p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
- p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
- p_vout->p_picture[0].p->i_pixel_pitch;
- p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
- p_vout->p_picture[0].p->i_pixel_pitch;
- p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
- p_vout->p_picture[0].i_type = DIRECT_PICTURE;
- PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
- I_OUTPUTPICTURES = 1;
- InitTextures( p_vout );
- glDisable(GL_BLEND);
- glDisable(GL_DEPTH_TEST);
- glDepthMask(GL_FALSE);
- glDisable(GL_CULL_FACE);
- glClear( GL_COLOR_BUFFER_BIT );
- /* Check if the user asked for useless visual effects */
- var_Get( p_vout, "opengl-effect", &val );
- if( !val.psz_string || !strcmp( val.psz_string, "none" ))
- {
- p_sys->i_effect = OPENGL_EFFECT_NONE;
- }
- else if( !strcmp( val.psz_string, "cube" ) )
- {
- p_sys->i_effect = OPENGL_EFFECT_CUBE;
- glEnable( GL_CULL_FACE);
- //glEnable( GL_DEPTH_TEST );
- }
- else if( !strcmp( val.psz_string, "transparent-cube" ) )
- {
- p_sys->i_effect = OPENGL_EFFECT_TRANSPARENT_CUBE;
- glDisable( GL_DEPTH_TEST );
- glEnable( GL_BLEND );
- glBlendFunc( GL_SRC_ALPHA, GL_ONE );
- }
- else
- {
- msg_Warn( p_vout, "no valid opengl effect provided, using "
- ""none"" );
- p_sys->i_effect = OPENGL_EFFECT_NONE;
- }
- if( val.psz_string ) free( val.psz_string );
- if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
- OPENGL_EFFECT_TRANSPARENT_CUBE ) )
- {
- /* Set the perpective */
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, - 5.0 );
- }
- return 0;
- }
- /*****************************************************************************
- * End: terminate GLX video thread output method
- *****************************************************************************/
- static void End( vout_thread_t *p_vout )
- {
- glFinish();
- glFlush();
- }
- /*****************************************************************************
- * Destroy: destroy GLX video thread output method
- *****************************************************************************
- * Terminate an output method created by CreateVout
- *****************************************************************************/
- static void DestroyVout( vlc_object_t *p_this )
- {
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys = p_vout->p_sys;
- module_Unneed( p_sys->p_vout, p_sys->p_vout->p_module );
- vlc_object_detach( p_sys->p_vout );
- vlc_object_destroy( p_sys->p_vout );
- /* Free the texture buffer*/
- if( p_sys->pp_buffer[0] ) free( p_sys->pp_buffer[0] );
- if( p_sys->pp_buffer[1] ) free( p_sys->pp_buffer[1] );
- free( p_sys );
- }
- /*****************************************************************************
- * Manage: handle Sys events
- *****************************************************************************
- * This function should be called regularly by video output thread. It returns
- * a non null value if an error occurred.
- *****************************************************************************/
- static int Manage( vout_thread_t *p_vout )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_ret, i_fullscreen_change;
- i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
- p_sys->p_vout->i_changes = p_vout->i_changes;
- i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
- p_vout->i_changes = p_sys->p_vout->i_changes;
- #ifdef SYS_DARWIN
- /* On OS X, we create the window and the GL view when entering
- fullscreen - the textures have to be inited again */
- if( i_fullscreen_change )
- {
- InitTextures( p_vout );
- switch( p_sys->i_effect )
- {
- case OPENGL_EFFECT_CUBE:
- glEnable( GL_CULL_FACE );
- break;
- case OPENGL_EFFECT_TRANSPARENT_CUBE:
- glDisable( GL_DEPTH_TEST );
- glEnable( GL_BLEND );
- glBlendFunc( GL_SRC_ALPHA, GL_ONE );
- break;
- }
- if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
- OPENGL_EFFECT_TRANSPARENT_CUBE ) )
- {
- /* Set the perpective */
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, - 5.0 );
- }
- }
- #endif
- return i_ret;
- }
- /*****************************************************************************
- * Render: render previously calculated output
- *****************************************************************************/
- static void Render( vout_thread_t *p_vout, picture_t *p_pic )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- float f_width, f_height;
- /* glTexCoord works differently with GL_TEXTURE_2D and
- GL_TEXTURE_RECTANGLE_EXT */
- #ifdef SYS_DARWIN
- f_width = (float)p_vout->output.i_width;
- f_height = (float)p_vout->output.i_height;
- #else
- f_width = (float)p_vout->output.i_width / p_sys->i_tex_width;
- f_height = (float)p_vout->output.i_height / p_sys->i_tex_height;
- #endif
- glClear( GL_COLOR_BUFFER_BIT );
- /* On Win32/GLX, we do this the usual way:
- + Fill the buffer with new content,
- + Reload the texture,
- + Use the texture.
- On OS X with VRAM or AGP texturing, the order has to be:
- + Reload the texture,
- + Fill the buffer with new content,
- + Use the texture.
- (Thanks to gcc from the Arstechnica forums for the tip)
- Therefore, we have to use two buffers and textures. On Win32/GLX,
- we reload the texture to be displayed and use it right away. On
- OS X, we first render, then reload the texture to be used next
- time. */
- #ifdef SYS_DARWIN
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
- #else
- /* Update the texture */
- glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
- p_vout->render.i_width, p_vout->render.i_height,
- VLCGL_RGB_FORMAT, VLCGL_RGB_TYPE, p_sys->pp_buffer[0] );
- #endif
- if( p_sys->i_effect == OPENGL_EFFECT_NONE )
- {
- glEnable( VLCGL_TARGET );
- glBegin( GL_POLYGON );
- glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, 1.0 );
- glTexCoord2f( f_width, 0.0 ); glVertex2f( 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
- glTexCoord2f( 0.0, f_height ); glVertex2f( -1.0, -1.0 );
- glEnd();
- }
- else
- {
- glRotatef( 1.0, 0.3, 0.5, 0.7 );
- glEnable( VLCGL_TARGET );
- glBegin( GL_QUADS );
- /* Front */
- glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, 1.0 );
- /* Left */
- glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( - 1.0, 1.0, 1.0 );
- /* Back */
- glTexCoord2f( 0, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
- /* Right */
- glTexCoord2f( 0, 0 ); glVertex3f( 1.0, 1.0, 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
- /* Top */
- glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, 1.0, - 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, 1.0, 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, 1.0, - 1.0 );
- /* Bottom */
- glTexCoord2f( 0, 0 ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( 0, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, 0 ); glVertex3f( 1.0, - 1.0, 1.0 );
- glEnd();
- }
- glDisable( VLCGL_TARGET );
- #ifdef SYS_DARWIN
- /* Switch buffers */
- p_sys->i_index = ( p_sys->i_index + 1 ) & 1;
- p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
- /* Update the texture */
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
- glTexSubImage2D( VLCGL_TARGET, 0, 0, 0, p_sys->i_tex_width,
- p_sys->i_tex_height, VLCGL_FORMAT, VLCGL_TYPE,
- p_sys->pp_buffer[p_sys->i_index] );
- #endif
- }
- /*****************************************************************************
- * DisplayVideo: displays previously rendered output
- *****************************************************************************/
- static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- p_sys->p_vout->pf_swap( p_sys->p_vout );
- }
- int GetAlignedSize( int i_size )
- {
- /* Return the nearest power of 2 */
- int i_result = 1;
- while( i_result < i_size )
- {
- i_result *= 2;
- }
- return i_result;
- }
- /*****************************************************************************
- * Control: control facility for the vout
- *****************************************************************************/
- static int Control( vout_thread_t *p_vout, int i_query, va_list args )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- if( p_sys->p_vout->pf_control )
- return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
- else
- return vout_vaControlDefault( p_vout, i_query, args );
- }
- static int InitTextures( vout_thread_t *p_vout )
- {
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_index;
- glDeleteTextures( 2, p_sys->p_textures );
- glGenTextures( 2, p_sys->p_textures );
- for( i_index = 0; i_index < 2; i_index++ )
- {
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
-
- /* Set the texture parameters */
- glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
-
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
-
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP );
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP );
-
- glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
- #ifdef SYS_DARWIN
- /* Tell the driver not to make a copy of the texture but to use
- our buffer */
- glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
- glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
-
- #if 0
- /* Use VRAM texturing */
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
- GL_STORAGE_CACHED_APPLE );
- #else
- /* Use AGP texturing */
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
- GL_STORAGE_SHARED_APPLE );
- #endif
- #endif
- /* Call glTexImage2D only once, and use glTexSubImage2D later */
- glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
- p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
- p_sys->pp_buffer[i_index] );
- }
- return 0;
- }
- /*****************************************************************************
- * SendEvents: forward mouse and keyboard events to the parent p_vout
- *****************************************************************************/
- static int SendEvents( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
- {
- return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );
- }