mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
1108 lines
39 KiB
C
1108 lines
39 KiB
C
/*****************************************************************************
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* opengl.c: OpenGL video output
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*****************************************************************************
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* Copyright (C) 2004 the VideoLAN team
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* $Id$
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*
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* Authors: Cyril Deguet <asmax@videolan.org>
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* Gildas Bazin <gbazin@videolan.org>
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* Eric Petit <titer@m0k.org>
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* Cedric Cocquebert <cedric.cocquebert@supelec.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <errno.h> /* ENOMEM */
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#include <vlc/vlc.h>
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#include <vlc_vout.h>
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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/* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
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This allows sizes which are not powers of 2 */
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#define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
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/* OS X OpenGL supports YUV. Hehe. */
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#define VLCGL_FORMAT GL_YCBCR_422_APPLE
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#define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
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#else
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#include <GL/gl.h>
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#define VLCGL_TARGET GL_TEXTURE_2D
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/* RV16 */
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#ifndef GL_UNSIGNED_SHORT_5_6_5
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#define GL_UNSIGNED_SHORT_5_6_5 0x8363
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#endif
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//#define VLCGL_RGB_FORMAT GL_RGB
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//#define VLCGL_RGB_TYPE GL_UNSIGNED_SHORT_5_6_5
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/* RV24 */
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//#define VLCGL_RGB_FORMAT GL_RGB
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//#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
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/* RV32 */
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#define VLCGL_RGB_FORMAT GL_RGBA
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#define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
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/* YUY2 */
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#ifndef YCBCR_MESA
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#define YCBCR_MESA 0x8757
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#endif
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#ifndef UNSIGNED_SHORT_8_8_MESA
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#define UNSIGNED_SHORT_8_8_MESA 0x85BA
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#endif
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#define VLCGL_YUV_FORMAT YCBCR_MESA
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#define VLCGL_YUV_TYPE UNSIGNED_SHORT_8_8_MESA
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/* Use RGB on Win32/GLX */
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#define VLCGL_FORMAT VLCGL_RGB_FORMAT
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#define VLCGL_TYPE VLCGL_RGB_TYPE
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//#define VLCGL_FORMAT VLCGL_YUV_FORMAT
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//#define VLCGL_TYPE VLCGL_YUV_TYPE
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#endif
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#ifndef GL_CLAMP_TO_EDGE
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# define GL_CLAMP_TO_EDGE 0x812F
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#endif
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/* OpenGL effects */
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#define OPENGL_EFFECT_NONE 1
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#define OPENGL_EFFECT_CUBE 2
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#define OPENGL_EFFECT_TRANSPARENT_CUBE 4
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#if defined( HAVE_GL_GLU_H ) || defined( __APPLE__ )
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#define OPENGL_MORE_EFFECT 8
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#endif
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#ifdef OPENGL_MORE_EFFECT
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#include <math.h>
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#ifdef __APPLE__
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#include <OpenGL/glu.h>
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#else
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#include <GL/glu.h>
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#endif
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/* 3D MODEL */
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#define CYLINDER 8
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#define TORUS 16
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#define SPHERE 32
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/*GRID2D TRANSFORMATION */
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#define SQUAREXY 64
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#define SQUARER 128
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#define ASINXY 256
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#define ASINR 512
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#define SINEXY 1024
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#define SINER 2048
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#define INIFILE 4096 // not used, just for mark end ...
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#define SIGN(x) (x < 0 ? (-1) : 1)
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#define PID2 1.570796326794896619231322
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static const char *ppsz_effects[] = {
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"none", "cube", "transparent-cube", "cylinder", "torus", "sphere","SQUAREXY","SQUARER", "ASINXY", "ASINR", "SINEXY", "SINER" };
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static const char *ppsz_effects_text[] = {
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N_("None"), N_("Cube"), N_("Transparent Cube"),
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N_("Cylinder"), N_("Torus"), N_("Sphere"), N_("SQUAREXY"),N_("SQUARER"), N_("ASINXY"), N_("ASINR"), N_("SINEXY"), N_("SINER") };
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#endif
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/*****************************************************************************
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* Vout interface
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*****************************************************************************/
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static int CreateVout ( vlc_object_t * );
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static void DestroyVout ( vlc_object_t * );
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static int Init ( vout_thread_t * );
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static void End ( vout_thread_t * );
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static int Manage ( vout_thread_t * );
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static void Render ( vout_thread_t *, picture_t * );
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static void DisplayVideo ( vout_thread_t *, picture_t * );
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static int Control ( vout_thread_t *, int, va_list );
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static inline int GetAlignedSize( int );
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static int InitTextures ( vout_thread_t * );
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static int SendEvents ( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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#ifdef OPENGL_MORE_EFFECT
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static float Z_Compute ( float, int, float, float );
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static void Transform ( float, int, float, float, int, int, int, int, double *, double * );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define ACCURACY_TEXT N_( "OpenGL sampling accuracy " )
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#define ACCURACY_LONGTEXT N_( "Select the accuracy of 3D object sampling(1 = min and 10 = max)" )
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#define RADIUS_TEXT N_( "OpenGL Cylinder radius" )
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#define RADIUS_LONGTEXT N_( "Radius of the OpenGL cylinder effect, if enabled" )
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#define POV_X_TEXT N_("Point of view x-coordinate")
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#define POV_X_LONGTEXT N_("Point of view (X coordinate) of the cube/cylinder "\
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"effect, if enabled.")
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#define POV_Y_TEXT N_("Point of view y-coordinate")
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#define POV_Y_LONGTEXT N_("Point of view (Y coordinate) of the cube/cylinder "\
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"effect, if enabled.")
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#define POV_Z_TEXT N_("Point of view z-coordinate")
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#define POV_Z_LONGTEXT N_("Point of view (Z coordinate) of the cube/cylinder "\
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"effect, if enabled.")
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#endif
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#define PROVIDER_TEXT N_("OpenGL Provider")
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#define PROVIDER_LONGTEXT N_("Allows you to modify what OpenGL provider should be used")
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#define SPEED_TEXT N_( "OpenGL cube rotation speed" )
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#define SPEED_LONGTEXT N_( "Rotation speed of the OpenGL cube effect, if " \
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"enabled." )
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#define EFFECT_TEXT N_("Effect")
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#define EFFECT_LONGTEXT N_( \
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"Several visual OpenGL effects are available." )
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#ifndef OPENGL_MORE_EFFECT
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static const char *ppsz_effects[] = {
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"none", "cube", "transparent-cube" };
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static const char *ppsz_effects_text[] = {
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N_("None"), N_("Cube"), N_("Transparent Cube") };
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#endif
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vlc_module_begin();
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set_shortname( "OpenGL" );
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set_category( CAT_VIDEO );
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set_subcategory( SUBCAT_VIDEO_VOUT );
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set_description( _("OpenGL video output") );
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#ifdef __APPLE__
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set_capability( "video output", 200 );
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#else
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set_capability( "video output", 20 );
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#endif
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add_shortcut( "opengl" );
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add_float( "opengl-cube-speed", 2.0, NULL, SPEED_TEXT,
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SPEED_LONGTEXT, VLC_TRUE );
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#ifdef OPENGL_MORE_EFFECT
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add_integer_with_range( "opengl-accuracy", 4, 1, 10, NULL, ACCURACY_TEXT,
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ACCURACY_LONGTEXT, VLC_TRUE );
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add_float_with_range( "opengl-pov-x", 0.0, -1.0, 1.0, NULL, POV_X_TEXT,
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POV_X_LONGTEXT, VLC_TRUE );
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add_float_with_range( "opengl-pov-y", 0.0, -1.0, 1.0, NULL, POV_Y_TEXT,
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POV_Y_LONGTEXT, VLC_TRUE );
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add_float_with_range( "opengl-pov-z", -1.0, -1.0, 1.0, NULL, POV_Z_TEXT,
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POV_Z_LONGTEXT, VLC_TRUE );
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add_float( "opengl-cylinder-radius", -100.0, NULL, RADIUS_TEXT,
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RADIUS_LONGTEXT, VLC_TRUE );
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#endif
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/* Allow opengl provider plugin selection */
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add_string( "opengl-provider", "default", NULL, PROVIDER_TEXT,
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PROVIDER_LONGTEXT, VLC_TRUE );
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set_callbacks( CreateVout, DestroyVout );
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add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
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EFFECT_LONGTEXT, VLC_FALSE );
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change_string_list( ppsz_effects, ppsz_effects_text, 0 );
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vlc_module_end();
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/*****************************************************************************
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* vout_sys_t: video output method descriptor
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*****************************************************************************
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* This structure is part of the video output thread descriptor.
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* It describes the OpenGL specific properties of the output thread.
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*****************************************************************************/
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struct vout_sys_t
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{
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vout_thread_t *p_vout;
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uint8_t *pp_buffer[2];
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int i_index;
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int i_tex_width;
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int i_tex_height;
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GLuint p_textures[2];
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int i_effect;
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float f_speed;
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float f_radius;
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};
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/*****************************************************************************
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* CreateVout: This function allocates and initializes the OpenGL vout method.
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*****************************************************************************/
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static int CreateVout( vlc_object_t *p_this )
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{
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vout_thread_t *p_vout = (vout_thread_t *)p_this;
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vout_sys_t *p_sys;
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char * psz;
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/* Allocate structure */
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p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
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if( p_sys == NULL )
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{
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msg_Err( p_vout, "out of memory" );
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return VLC_EGENERIC;
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}
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var_Create( p_vout, "opengl-effect", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
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p_sys->i_index = 0;
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#ifdef __APPLE__
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p_sys->i_tex_width = p_vout->fmt_in.i_width;
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p_sys->i_tex_height = p_vout->fmt_in.i_height;
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#else
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/* A texture must have a size aligned on a power of 2 */
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p_sys->i_tex_width = GetAlignedSize( p_vout->fmt_in.i_width );
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p_sys->i_tex_height = GetAlignedSize( p_vout->fmt_in.i_height );
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#endif
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msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
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p_sys->i_tex_height );
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/* Get window */
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p_sys->p_vout =
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(vout_thread_t *)vlc_object_create( p_this, VLC_OBJECT_OPENGL );
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if( p_sys->p_vout == NULL )
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{
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msg_Err( p_vout, "out of memory" );
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return VLC_ENOMEM;
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}
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vlc_object_attach( p_sys->p_vout, p_this );
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p_sys->p_vout->i_window_width = p_vout->i_window_width;
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p_sys->p_vout->i_window_height = p_vout->i_window_height;
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p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
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p_sys->p_vout->render.i_width = p_vout->render.i_width;
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p_sys->p_vout->render.i_height = p_vout->render.i_height;
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p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
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p_sys->p_vout->fmt_render = p_vout->fmt_render;
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p_sys->p_vout->fmt_in = p_vout->fmt_in;
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p_sys->p_vout->b_scale = p_vout->b_scale;
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p_sys->p_vout->i_alignment = p_vout->i_alignment;
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psz = config_GetPsz( p_vout, "opengl-provider" );
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msg_Dbg( p_vout, "requesting \"%s\" opengl provider",
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psz ? psz : "default" );
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p_sys->p_vout->p_module =
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module_Need( p_sys->p_vout, "opengl provider", psz, 0 );
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free( psz );
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if( p_sys->p_vout->p_module == NULL )
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{
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msg_Warn( p_vout, "No OpenGL provider found" );
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vlc_object_detach( p_sys->p_vout );
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vlc_object_destroy( p_sys->p_vout );
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return VLC_ENOOBJ;
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}
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p_sys->f_speed = var_CreateGetFloat( p_vout, "opengl-cube-speed" );
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p_sys->f_radius = var_CreateGetFloat( p_vout, "opengl-cylinder-radius" );
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p_vout->pf_init = Init;
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p_vout->pf_end = End;
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p_vout->pf_manage = Manage;
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p_vout->pf_render = Render;
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p_vout->pf_display = DisplayVideo;
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p_vout->pf_control = Control;
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/* Forward events from the opengl provider */
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var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
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var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
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var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
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var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_INTEGER );
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var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
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var_Create( p_sys->p_vout, "video-on-top",
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VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
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var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
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var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
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var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
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var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
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var_AddCallback( p_sys->p_vout, "mouse-button-down", SendEvents, p_vout );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Init: initialize the OpenGL video thread output method
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*****************************************************************************/
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static int Init( vout_thread_t *p_vout )
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{
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vout_sys_t *p_sys = p_vout->p_sys;
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int i_pixel_pitch;
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vlc_value_t val;
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p_sys->p_vout->pf_init( p_sys->p_vout );
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/* TODO: We use YCbCr on Mac which is Y422, but on OSX it seems to == YUY2. Verify */
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#if ( defined( WORDS_BIGENDIAN ) && VLCGL_FORMAT == GL_YCBCR_422_APPLE ) || (VLCGL_FORMAT == YCBCR_MESA)
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p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
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i_pixel_pitch = 2;
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#elif (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
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p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
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i_pixel_pitch = 2;
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#elif VLCGL_FORMAT == GL_RGB
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# if VLCGL_TYPE == GL_UNSIGNED_BYTE
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p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
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# if defined( WORDS_BIGENDIAN )
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p_vout->output.i_rmask = 0x00ff0000;
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p_vout->output.i_gmask = 0x0000ff00;
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p_vout->output.i_bmask = 0x000000ff;
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# else
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p_vout->output.i_rmask = 0x000000ff;
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p_vout->output.i_gmask = 0x0000ff00;
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p_vout->output.i_bmask = 0x00ff0000;
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# endif
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i_pixel_pitch = 3;
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# else
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p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
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# if defined( WORDS_BIGENDIAN )
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p_vout->output.i_rmask = 0x001f;
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p_vout->output.i_gmask = 0x07e0;
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p_vout->output.i_bmask = 0xf800;
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# else
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p_vout->output.i_rmask = 0xf800;
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p_vout->output.i_gmask = 0x07e0;
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p_vout->output.i_bmask = 0x001f;
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# endif
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i_pixel_pitch = 2;
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# endif
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#else
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p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
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# if defined( WORDS_BIGENDIAN )
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p_vout->output.i_rmask = 0xff000000;
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p_vout->output.i_gmask = 0x00ff0000;
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p_vout->output.i_bmask = 0x0000ff00;
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# else
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p_vout->output.i_rmask = 0x000000ff;
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p_vout->output.i_gmask = 0x0000ff00;
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p_vout->output.i_bmask = 0x00ff0000;
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# endif
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i_pixel_pitch = 4;
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#endif
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/* Since OpenGL can do rescaling for us, stick to the default
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* coordinates and aspect. */
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p_vout->output.i_width = p_vout->render.i_width;
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p_vout->output.i_height = p_vout->render.i_height;
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p_vout->output.i_aspect = p_vout->render.i_aspect;
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p_vout->fmt_out = p_vout->fmt_in;
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p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
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/* We know the chroma, allocate one buffer which will be used
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* directly by the decoder */
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p_sys->pp_buffer[0] =
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malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
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if( !p_sys->pp_buffer[0] )
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{
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msg_Err( p_vout, "out of memory" );
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return -1;
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}
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p_sys->pp_buffer[1] =
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malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
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if( !p_sys->pp_buffer[1] )
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{
|
|
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;
|
|
|
|
if( p_sys->p_vout->pf_lock &&
|
|
p_sys->p_vout->pf_lock( p_sys->p_vout ) )
|
|
{
|
|
msg_Warn( p_vout, "could not lock OpenGL provider" );
|
|
return 0;
|
|
}
|
|
|
|
InitTextures( p_vout );
|
|
|
|
glDisable(GL_BLEND);
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDepthMask(GL_FALSE);
|
|
glDisable(GL_CULL_FACE);
|
|
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
|
|
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);
|
|
}
|
|
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
|
|
{
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
p_sys->i_effect = 3;
|
|
while (( strcmp( val.psz_string, ppsz_effects[p_sys->i_effect]) ) && (pow(2,p_sys->i_effect) < INIFILE))
|
|
{
|
|
p_sys->i_effect ++;
|
|
}
|
|
if (pow(2,p_sys->i_effect) < INIFILE)
|
|
p_sys->i_effect = pow(2,p_sys->i_effect);
|
|
else if ( strcmp( val.psz_string, ppsz_effects[p_sys->i_effect]))
|
|
{
|
|
msg_Warn( p_vout, "no valid opengl effect provided, using "
|
|
"\"none\"" );
|
|
p_sys->i_effect = OPENGL_EFFECT_NONE;
|
|
}
|
|
#else
|
|
msg_Warn( p_vout, "no valid opengl effect provided, using "
|
|
"\"none\"" );
|
|
p_sys->i_effect = OPENGL_EFFECT_NONE;
|
|
#endif
|
|
}
|
|
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 );
|
|
}
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
else
|
|
{
|
|
/* 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, -3.0 );
|
|
|
|
float f_pov_x, f_pov_y, f_pov_z;
|
|
f_pov_x = var_CreateGetFloat( p_vout, "opengl-pov-x");
|
|
f_pov_y = var_CreateGetFloat( p_vout, "opengl-pov-y");
|
|
f_pov_z = var_CreateGetFloat( p_vout, "opengl-pov-z");
|
|
gluLookAt(0, 0, 0, f_pov_x, f_pov_y, f_pov_z, 0, 1, 0);
|
|
}
|
|
#endif
|
|
if( p_sys->p_vout->pf_unlock )
|
|
{
|
|
p_sys->p_vout->pf_unlock( p_sys->p_vout );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* End: terminate GLX video thread output method
|
|
*****************************************************************************/
|
|
static void End( vout_thread_t *p_vout )
|
|
{
|
|
vout_sys_t *p_sys = p_vout->p_sys;
|
|
|
|
if( p_sys->p_vout->pf_lock &&
|
|
p_sys->p_vout->pf_lock( p_sys->p_vout ) )
|
|
{
|
|
msg_Warn( p_vout, "could not lock OpenGL provider" );
|
|
return;
|
|
}
|
|
|
|
glFinish();
|
|
glFlush();
|
|
|
|
/* Free the texture buffer*/
|
|
glDeleteTextures( 2, p_sys->p_textures );
|
|
if( p_sys->pp_buffer[0] ) free( p_sys->pp_buffer[0] );
|
|
if( p_sys->pp_buffer[1] ) free( p_sys->pp_buffer[1] );
|
|
|
|
if( p_sys->p_vout->pf_unlock )
|
|
{
|
|
p_sys->p_vout->pf_unlock( p_sys->p_vout );
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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( 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_vout->fmt_out.i_x_offset = p_sys->p_vout->fmt_in.i_x_offset =
|
|
p_vout->fmt_in.i_x_offset;
|
|
p_vout->fmt_out.i_y_offset = p_sys->p_vout->fmt_in.i_y_offset =
|
|
p_vout->fmt_in.i_y_offset;
|
|
p_vout->fmt_out.i_visible_width = p_sys->p_vout->fmt_in.i_visible_width =
|
|
p_vout->fmt_in.i_visible_width;
|
|
p_vout->fmt_out.i_visible_height = p_sys->p_vout->fmt_in.i_visible_height =
|
|
p_vout->fmt_in.i_visible_height;
|
|
p_vout->fmt_out.i_aspect = p_sys->p_vout->fmt_in.i_aspect =
|
|
p_vout->fmt_in.i_aspect;
|
|
p_vout->fmt_out.i_sar_num = p_sys->p_vout->fmt_in.i_sar_num =
|
|
p_vout->fmt_in.i_sar_num;
|
|
p_vout->fmt_out.i_sar_den = p_sys->p_vout->fmt_in.i_sar_den =
|
|
p_vout->fmt_in.i_sar_den;
|
|
p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
|
|
|
|
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 __APPLE__
|
|
if( p_sys->p_vout->pf_lock &&
|
|
p_sys->p_vout->pf_lock( p_sys->p_vout ) )
|
|
{
|
|
msg_Warn( p_vout, "could not lock OpenGL provider" );
|
|
return i_ret;
|
|
}
|
|
|
|
/* 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:
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
case CYLINDER:
|
|
case TORUS:
|
|
case SPHERE:
|
|
case SQUAREXY:
|
|
case SQUARER:
|
|
case ASINXY:
|
|
case ASINR:
|
|
case SINEXY:
|
|
case SINER:
|
|
#endif
|
|
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 );
|
|
}
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
else
|
|
{
|
|
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, -3.0 );
|
|
|
|
float f_pov_x, f_pov_y, f_pov_z;
|
|
f_pov_x = var_CreateGetFloat( p_vout, "opengl-pov-x");
|
|
f_pov_y = var_CreateGetFloat( p_vout, "opengl-pov-y");
|
|
f_pov_z = var_CreateGetFloat( p_vout, "opengl-pov-z");
|
|
gluLookAt(0, 0, 0, f_pov_x, f_pov_y, f_pov_z, 0, 1, 0);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if( p_sys->p_vout->pf_unlock )
|
|
{
|
|
p_sys->p_vout->pf_unlock( p_sys->p_vout );
|
|
}
|
|
#endif
|
|
// to align in real time in OPENGL
|
|
if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
|
|
{
|
|
p_vout->i_changes = VOUT_CROP_CHANGE; //to force change
|
|
p_sys->p_vout->i_alignment = p_vout->i_alignment;
|
|
}
|
|
|
|
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;
|
|
|
|
/* 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. */
|
|
|
|
if( p_sys->p_vout->pf_lock &&
|
|
p_sys->p_vout->pf_lock( p_sys->p_vout ) )
|
|
{
|
|
msg_Warn( p_vout, "could not lock OpenGL provider" );
|
|
return;
|
|
}
|
|
|
|
#ifdef __APPLE__
|
|
int i_new_index;
|
|
i_new_index = ( p_sys->i_index + 1 ) & 1;
|
|
|
|
|
|
/* Update the texture */
|
|
glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
|
|
glTexSubImage2D( VLCGL_TARGET, 0, 0, 0,
|
|
p_vout->fmt_out.i_width,
|
|
p_vout->fmt_out.i_height,
|
|
VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[i_new_index] );
|
|
|
|
/* Bind to the previous texture for drawing */
|
|
glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
|
|
|
|
/* Switch buffers */
|
|
p_sys->i_index = i_new_index;
|
|
p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
|
|
|
|
#else
|
|
/* Update the texture */
|
|
glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
|
|
p_vout->fmt_out.i_width,
|
|
p_vout->fmt_out.i_height,
|
|
VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[0] );
|
|
#endif
|
|
|
|
if( p_sys->p_vout->pf_unlock )
|
|
{
|
|
p_sys->p_vout->pf_unlock( p_sys->p_vout );
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
/*****************************************************************************
|
|
* Transform: Calculate the distorted grid coordinates
|
|
*****************************************************************************/
|
|
static void Transform(float p, int distortion, float width, float height,int i, int j, int i_visible_width, int i_visible_height, double *ix,double *iy)
|
|
{
|
|
double x,y,xnew,ynew;
|
|
double r,theta,rnew,thetanew;
|
|
|
|
x = (double)i * (width / ((double)i_visible_width));
|
|
y = (double)j * (height / ((double)i_visible_height));
|
|
|
|
x = (2.0 * (double)x / width) - 1;
|
|
y = (2.0 * (double)y / height) - 1;
|
|
xnew = x;
|
|
ynew = y;
|
|
r = sqrt(x*x+y*y);
|
|
theta = atan2(y,x);
|
|
|
|
switch (distortion)
|
|
{
|
|
/* GRID2D TRANSFORMATION */
|
|
case SINEXY:
|
|
xnew = sin(PID2*x);
|
|
ynew = sin(PID2*y);
|
|
break;
|
|
case SINER:
|
|
rnew = sin(PID2*r);
|
|
thetanew = theta;
|
|
xnew = rnew * cos(thetanew);
|
|
ynew = rnew * sin(thetanew);
|
|
break;
|
|
case SQUAREXY:
|
|
xnew = x*x*SIGN(x);
|
|
ynew = y*y*SIGN(y);
|
|
break;
|
|
case SQUARER:
|
|
rnew = r*r;
|
|
thetanew = theta;
|
|
xnew = rnew * cos(thetanew);
|
|
ynew = rnew * sin(thetanew);
|
|
break;
|
|
case ASINXY:
|
|
xnew = asin(x) / PID2;
|
|
ynew = asin(y) / PID2;
|
|
break;
|
|
case ASINR:
|
|
rnew = asin(r) / PID2;
|
|
thetanew = theta;
|
|
xnew = rnew * cos(thetanew);
|
|
ynew = rnew * sin(thetanew);
|
|
break;
|
|
/* OTHER WAY: 3D MODEL */
|
|
default:
|
|
xnew = x;
|
|
ynew = y;
|
|
}
|
|
|
|
*ix = width * (xnew + 1) / (2.0);
|
|
*iy = height * (ynew + 1) / (2.0);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Z_Compute: Calculate the Z-coordinate
|
|
*****************************************************************************/
|
|
static float Z_Compute(float p, int distortion, float x, float y)
|
|
{
|
|
float f_z = 0.0;
|
|
double d_p = p / 100.0;
|
|
|
|
switch (distortion)
|
|
{
|
|
/* 3D MODEL */
|
|
case CYLINDER:
|
|
if (d_p > 0)
|
|
f_z = (1 - d_p * d_p) / (2 * d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x));
|
|
else
|
|
f_z = (1 - d_p * d_p) / (2 * d_p) + d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x));
|
|
break;
|
|
case TORUS:
|
|
if (d_p > 0)
|
|
f_z = (1 - d_p * d_p) / (d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x)) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - y * y));
|
|
else
|
|
f_z = (1 - d_p * d_p) / (d_p) + 2 * d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x)) + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - y * y));
|
|
break;
|
|
case SPHERE:
|
|
if (d_p > 0)
|
|
f_z = (1 - d_p * d_p) / (2 * d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x - y * y));
|
|
else
|
|
f_z = (1 - d_p * d_p) / (2 * d_p) + d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x - y * y));
|
|
break;
|
|
/* OTHER WAY: GRID2D TRANSFORMATION */
|
|
case SINEXY:;
|
|
case SINER:
|
|
case SQUAREXY:
|
|
case SQUARER:;
|
|
case ASINXY:
|
|
case ASINR:
|
|
f_z = 0.0;
|
|
break;
|
|
default:
|
|
f_z = 0.0;
|
|
}
|
|
return f_z;
|
|
}
|
|
#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;
|
|
float f_width, f_height, f_x, f_y;
|
|
|
|
if( p_sys->p_vout->pf_lock &&
|
|
p_sys->p_vout->pf_lock( p_sys->p_vout ) )
|
|
{
|
|
msg_Warn( p_vout, "could not lock OpenGL provider" );
|
|
return;
|
|
}
|
|
|
|
/* glTexCoord works differently with GL_TEXTURE_2D and
|
|
GL_TEXTURE_RECTANGLE_EXT */
|
|
#ifdef __APPLE__
|
|
f_x = (float)p_vout->fmt_out.i_x_offset;
|
|
f_y = (float)p_vout->fmt_out.i_y_offset;
|
|
f_width = (float)p_vout->fmt_out.i_x_offset +
|
|
(float)p_vout->fmt_out.i_visible_width;
|
|
f_height = (float)p_vout->fmt_out.i_y_offset +
|
|
(float)p_vout->fmt_out.i_visible_height;
|
|
#else
|
|
f_x = (float)p_vout->fmt_out.i_x_offset / p_sys->i_tex_width;
|
|
f_y = (float)p_vout->fmt_out.i_y_offset / p_sys->i_tex_height;
|
|
f_width = ( (float)p_vout->fmt_out.i_x_offset +
|
|
p_vout->fmt_out.i_visible_width ) / p_sys->i_tex_width;
|
|
f_height = ( (float)p_vout->fmt_out.i_y_offset +
|
|
p_vout->fmt_out.i_visible_height ) / p_sys->i_tex_height;
|
|
#endif
|
|
|
|
/* Why drawing here and not in Render()? Because this way, the
|
|
OpenGL providers can call pf_display to force redraw. Currently,
|
|
the OS X provider uses it to get a smooth window resizing */
|
|
|
|
glClear( GL_COLOR_BUFFER_BIT );
|
|
|
|
if( p_sys->i_effect == OPENGL_EFFECT_NONE )
|
|
{
|
|
glEnable( VLCGL_TARGET );
|
|
glBegin( GL_POLYGON );
|
|
glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
|
|
glEnd();
|
|
}
|
|
else
|
|
#ifdef OPENGL_MORE_EFFECT
|
|
if ((p_sys->i_effect > OPENGL_EFFECT_TRANSPARENT_CUBE) ||
|
|
((p_sys->i_effect == OPENGL_EFFECT_NONE)))
|
|
{
|
|
unsigned int i_i, i_j;
|
|
unsigned int i_accuracy = config_GetInt( p_vout, "opengl-accuracy");
|
|
unsigned int i_n = pow(2, i_accuracy);
|
|
unsigned int i_n_x = (p_vout->fmt_out.i_visible_width / (i_n * 2));
|
|
unsigned int i_n_y = (p_vout->fmt_out.i_visible_height / i_n);
|
|
double d_x, d_y;
|
|
int i_distortion = p_sys->i_effect;
|
|
float f_p = p_sys->f_radius;
|
|
|
|
glEnable( VLCGL_TARGET );
|
|
glBegin(GL_QUADS);
|
|
for (i_i = 0; i_i < p_vout->fmt_out.i_visible_width; i_i += i_n_x)
|
|
{
|
|
if ( i_i == i_n_x * i_n / 2) i_n_x += p_vout->fmt_out.i_visible_width % i_n;
|
|
if ((i_i == (p_vout->fmt_out.i_visible_width / i_n) * i_n / 2 + i_n_x) &&
|
|
(p_vout->fmt_out.i_visible_width / i_n != i_n_x))
|
|
i_n_x -= p_vout->fmt_out.i_visible_width % i_n;
|
|
|
|
int i_m;
|
|
int i_index_max = 0;
|
|
|
|
for (i_j = 0; i_j < p_vout->fmt_out.i_visible_height; i_j += i_n_y)
|
|
{
|
|
if ( i_j == i_n_y * i_n / 2) i_n_y += p_vout->fmt_out.i_visible_height % i_n;
|
|
if ((i_j == (p_vout->fmt_out.i_visible_height / i_n) * i_n / 2 + i_n_y) &&
|
|
(p_vout->fmt_out.i_visible_height / i_n != i_n_y))
|
|
i_n_y -= p_vout->fmt_out.i_visible_height % i_n;
|
|
|
|
for (i_m = i_index_max; i_m < i_index_max + 4; i_m++)
|
|
{
|
|
int i_k = ((i_m % 4) == 1) || ((i_m % 4) == 2);
|
|
int i_l = ((i_m % 4) == 2) || ((i_m % 4) == 3);
|
|
|
|
Transform(f_p, i_distortion, f_width, f_height, i_i + i_k * i_n_x, i_j + i_l * i_n_y, p_vout->fmt_out.i_visible_width, p_vout->fmt_out.i_visible_height, &d_x, &d_y);
|
|
glTexCoord2f(f_x + d_x, f_y + d_y);
|
|
d_x = - 1.0 + 2.0 * ((double)(i_k * i_n_x + i_i) / (double)p_vout->fmt_out.i_visible_width);
|
|
d_y = 1.0 - 2.0 * (((double)i_l * i_n_y + i_j) / (double)p_vout->fmt_out.i_visible_height);
|
|
glVertex3f((float)d_x, (float)d_y, Z_Compute(f_p, i_distortion, (float)d_x, (float)d_y));
|
|
}
|
|
}
|
|
}
|
|
glEnd();
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
glRotatef( 0.5 * p_sys->f_speed , 0.3, 0.5, 0.7 );
|
|
|
|
glEnable( VLCGL_TARGET );
|
|
glBegin( GL_QUADS );
|
|
|
|
/* Front */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, 1.0 );
|
|
|
|
/* Left */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( - 1.0, 1.0, 1.0 );
|
|
|
|
/* Back */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
|
|
|
|
/* Right */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( 1.0, 1.0, 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
|
|
|
|
/* Top */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, 1.0, 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
|
|
|
|
/* Bottom */
|
|
glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, - 1.0, 1.0 );
|
|
glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
|
|
glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, - 1.0, 1.0 );
|
|
glEnd();
|
|
}
|
|
|
|
glDisable( VLCGL_TARGET );
|
|
|
|
p_sys->p_vout->pf_swap( p_sys->p_vout );
|
|
|
|
if( p_sys->p_vout->pf_unlock )
|
|
{
|
|
p_sys->p_vout->pf_unlock( 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;
|
|
|
|
switch( i_query )
|
|
{
|
|
case VOUT_SNAPSHOT:
|
|
return vout_vaControlDefault( p_vout, i_query, args );
|
|
|
|
default:
|
|
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_WRAP_S, GL_CLAMP_TO_EDGE );
|
|
glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
|
|
|
|
glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
|
|
glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
|
|
|
|
glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
|
|
#ifdef __APPLE__
|
|
/* 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 );
|
|
}
|