+++ /dev/null
-/*****************************************************************************
- * glide.c : 3dfx Glide plugin for vlc
- *****************************************************************************
- * Copyright (C) 2000, 2001 the VideoLAN team
- * $Id$
- *
- * Authors: Samuel Hocevar <sam@zoy.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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#include <errno.h> /* ENOMEM */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_interface.h>
-#include <vlc_vout.h>
-
-#ifndef __linux__
-# include <conio.h> /* for glide ? */
-#endif
-#include <glide.h>
-#include <linutil.h> /* Glide kbhit() and getch() */
-
-#define GLIDE_WIDTH 800
-#define GLIDE_HEIGHT 600
-#define GLIDE_BITS_PER_PLANE 16
-#define GLIDE_BYTES_PER_PIXEL 2
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Create ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static int Manage ( vout_thread_t * );
-static void Display ( vout_thread_t *, picture_t * );
-
-static int OpenDisplay ( vout_thread_t * );
-static void CloseDisplay ( vout_thread_t * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-vlc_module_begin();
- set_description( N_("3dfx Glide video output") );
- set_capability( "video output", 20 );
- add_shortcut( "3dfx" );
- set_callbacks( Create, Destroy );
-vlc_module_end();
-
-/*****************************************************************************
- * vout_sys_t: Glide video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the Glide specific properties of an output thread.
- *****************************************************************************/
-struct vout_sys_t
-{
- GrLfbInfo_t p_buffer_info; /* back buffer info */
-
- uint8_t * pp_buffer[2];
- int i_index;
-};
-
-/*****************************************************************************
- * Create: allocates Glide video thread output method
- *****************************************************************************
- * This function allocates and initializes a Glide vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- /* Allocate structure */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
- return( 1 );
-
- /* Open and initialize device */
- if( OpenDisplay( p_vout ) )
- {
- msg_Err( p_vout, "cannot open display" );
- free( p_vout->p_sys );
- return( 1 );
- }
-
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = Manage;
- p_vout->pf_render = NULL;
- p_vout->pf_display = Display;
-
- return( 0 );
-}
-
-/*****************************************************************************
- * Init: initialize Glide video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic;
-
- /* FIXME: we don't set i_chroma !! */
- p_vout->output.i_rmask = 0xf800;
- p_vout->output.i_gmask = 0x07e0;
- p_vout->output.i_bmask = 0x001f;
-
- I_OUTPUTPICTURES = 0;
-
- p_pic = NULL;
-
- /* Find an empty picture slot */
- for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
- {
- if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
- {
- p_pic = p_vout->p_picture + i_index;
- break;
- }
- }
-
- if( p_pic == NULL )
- {
- return -1;
- }
-
- /* We know the chroma, allocate a buffer which will be used
- * directly by the decoder */
- p_pic->i_planes = 1;
-
- p_pic->p->p_pixels = p_vout->p_sys->pp_buffer[p_vout->p_sys->i_index];
- p_pic->p->i_lines = GLIDE_HEIGHT;
- p_pic->p->i_visible_lines = GLIDE_HEIGHT;
- p_pic->p->i_pitch = p_vout->p_sys->p_buffer_info.strideInBytes;
- /*1024 * GLIDE_BYTES_PER_PIXEL*/
- p_pic->p->i_pixel_pitch = GLIDE_BYTES_PER_PIXEL;
- p_pic->p->i_visible_pitch = GLIDE_WIDTH * GLIDE_BYTES_PER_PIXEL;
-
- p_pic->i_status = DESTROYED_PICTURE;
- p_pic->i_type = DIRECT_PICTURE;
-
- PP_OUTPUTPICTURE[ 0 ] = p_pic;
-
- I_OUTPUTPICTURES = 1;
-
- return 0;
-}
-
-/*****************************************************************************
- * End: terminate Glide video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- ;
-}
-
-/*****************************************************************************
- * Destroy: destroy Glide video thread output method
- *****************************************************************************
- * Terminate an output method created by Create
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- CloseDisplay( p_vout );
- free( p_vout->p_sys );
-}
-
-/*****************************************************************************
- * Manage: handle Glide events
- *****************************************************************************
- * This function should be called regularly by video output thread. It manages
- * console events. It returns a non null value on error.
- *****************************************************************************/
-static int Manage( vout_thread_t *p_vout )
-{
- int buf;
-
- /* very Linux specific - see tlib.c in Glide for other versions */
- while( kbhit() )
- {
- buf = getch();
-
- switch( (char)buf )
- {
- case 'q':
- vlc_object_kill( p_vout->p_libvlc );
- break;
-
- default:
- break;
- }
- }
-
- return 0;
-}
-
-/*****************************************************************************
- * Display: displays previously rendered output
- *****************************************************************************/
-static void Display( vout_thread_t *p_vout, picture_t *p_pic )
-
-{
- grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
-
- grBufferSwap( 0 );
-
- if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
- GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
- &p_vout->p_sys->p_buffer_info) == FXFALSE )
- {
- msg_Err( p_vout, "cannot take 3dfx back buffer lock" );
- }
-}
-
-/* following functions are local */
-
-/*****************************************************************************
- * OpenDisplay: open and initialize 3dfx device
- *****************************************************************************/
-
-static int OpenDisplay( vout_thread_t *p_vout )
-{
- static char version[80];
- GrHwConfiguration hwconfig;
- GrScreenResolution_t resolution = GR_RESOLUTION_800x600;
- GrLfbInfo_t p_front_buffer_info; /* front buffer info */
-
- grGlideGetVersion( version );
- grGlideInit();
-
- if( !grSstQueryHardware(&hwconfig) )
- {
- msg_Err( p_vout, "cannot get 3dfx hardware config" );
- return( 1 );
- }
-
- grSstSelect( 0 );
- if( !grSstWinOpen( 0, resolution, GR_REFRESH_60Hz,
- GR_COLORFORMAT_ABGR, GR_ORIGIN_UPPER_LEFT, 2, 1 ) )
- {
- msg_Err( p_vout, "cannot open 3dfx screen" );
- return( 1 );
- }
-
- /* disable dithering */
- /*grDitherMode( GR_DITHER_DISABLE );*/
-
- /* clear both buffers */
- grRenderBuffer( GR_BUFFER_BACKBUFFER );
- grBufferClear( 0, 0, 0 );
- grRenderBuffer( GR_BUFFER_FRONTBUFFER );
- grBufferClear( 0, 0, 0 );
- grRenderBuffer( GR_BUFFER_BACKBUFFER );
-
- p_vout->p_sys->p_buffer_info.size = sizeof( GrLfbInfo_t );
- p_front_buffer_info.size = sizeof( GrLfbInfo_t );
-
- /* lock the buffers to find their adresses */
- if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_FRONTBUFFER,
- GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
- &p_front_buffer_info) == FXFALSE )
- {
- msg_Err( p_vout, "cannot take 3dfx front buffer lock" );
- grGlideShutdown();
- return( 1 );
- }
- grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_FRONTBUFFER );
-
- if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
- GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
- &p_vout->p_sys->p_buffer_info) == FXFALSE )
- {
- msg_Err( p_vout, "cannot take 3dfx back buffer lock" );
- grGlideShutdown();
- return( 1 );
- }
- grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
-
- grBufferClear( 0, 0, 0 );
-
- p_vout->p_sys->pp_buffer[0] = p_vout->p_sys->p_buffer_info.lfbPtr;
- p_vout->p_sys->pp_buffer[1] = p_front_buffer_info.lfbPtr;
- p_vout->p_sys->i_index = 0;
-
- return( 0 );
-}
-
-/*****************************************************************************
- * CloseDisplay: close and reset 3dfx device
- *****************************************************************************
- * Returns all resources allocated by OpenDisplay and restore the original
- * state of the device.
- *****************************************************************************/
-static void CloseDisplay( vout_thread_t *p_vout )
-{
- /* unlock the hidden buffer */
- grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
-
- /* shutdown Glide */
- grGlideShutdown();
-}
-
projects / vlc / commitdiff