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SDL_ps3video.h
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SDL_ps3video.h
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/*
* SDL - Simple DirectMedia Layer
* CELL BE Support for PS3 Framebuffer
* Copyright (C) 2008, 2009 International Business Machines Corporation
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*
* Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
* Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
* SPE code based on research by:
* Rene Becker
* Thimo Emmerich
*/
#include "SDL_config.h"
#include "../SDL_sysvideo.h"
#include "SDL_mouse.h"
#include "SDL_mutex.h"
#include "spulibs/spu_common.h"
#include <libspe2.h>
#include <pthread.h>
#include <linux/types.h>
#include <linux/fb.h>
#include <asm/ps3fb.h>
#include <linux/vt.h>
#include <termios.h>
#ifndef _SDL_ps3video_h
#define _SDL_ps3video_h
/* Debugging
* 0: No debug messages
* 1: Video debug messages
* 2: SPE debug messages
* 3: Memory adresses
*/
#define DEBUG_LEVEL 0
#ifdef DEBUG_LEVEL
#define deprintf( level, fmt, args... ) \
do \
{ \
if ( (unsigned)(level) <= DEBUG_LEVEL ) \
{ \
fprintf( stdout, fmt, ##args ); \
fflush( stdout ); \
} \
} while ( 0 )
#else
#define deprintf( level, fmt, args... )
#endif
/* Framebuffer device */
#define PS3_DEV_FB "/dev/fb0"
/* Hidden "this" pointer for the video functions */
#define _THIS SDL_VideoDevice * this
/* SPU thread data */
typedef struct spu_data {
spe_context_ptr_t ctx;
pthread_t thread;
spe_program_handle_t program;
char * program_name;
unsigned int booted;
unsigned int keepalive;
unsigned int entry;
int error_code;
void * argp;
} spu_data_t;
/* Private video driver data needed for Cell support */
struct SDL_PrivateVideoData
{
const char * const fb_dev_name; /* FB-device name */
int fb_dev_fd; /* Descriptor-handle for fb_dev_name */
uint8_t * frame_buffer; /* mmap'd access to fbdev */
/* SPE threading stuff */
spu_data_t * fb_thread_data;
spu_data_t * scaler_thread_data;
spu_data_t * converter_thread_data;
/* screeninfo (from linux/fb.h) */
struct fb_fix_screeninfo fb_finfo;
struct fb_var_screeninfo fb_vinfo;
struct fb_var_screeninfo fb_orig_vinfo;
/* screeninfo (from asm/ps3fb.h) */
struct ps3fb_ioctl_res res;
unsigned int double_buffering;
uint32_t real_width; // real width of screen
uint32_t real_height; // real height of screen
uint32_t s_fb_pixel_size; // 32: 4 24: 3 16: 2 15: 2
uint32_t fb_bits_per_pixel; // 32: 32 24: 24 16: 16 15: 15
uint32_t config_count;
uint32_t s_input_line_length; // precalculated: input_width * fb_pixel_size
uint32_t s_bounded_input_width; // width of input (bounded by writeable width)
uint32_t s_bounded_input_height;// height of input (bounded by writeable height)
uint32_t s_bounded_input_width_offset; // offset from the left side (used for centering)
uint32_t s_bounded_input_height_offset; // offset from the upper side (used for centering)
uint32_t s_writeable_width; // width of screen which is writeable
uint32_t s_writeable_height; // height of screen which is writeable
uint8_t * s_center[2]; // where to begin writing our image (centered?)
uint32_t s_center_index;
volatile void * s_pixels __attribute__((aligned(128)));
/* Framebuffer data */
volatile struct fb_writer_parms_t * fb_parms __attribute__((aligned(128)));
};
#define fb_dev_name (this->hidden->fb_dev_name)
#define fb_dev_fd (this->hidden->fb_dev_fd)
#define frame_buffer (this->hidden->frame_buffer)
#define fb_thread_data (this->hidden->fb_thread_data)
#define scaler_thread_data (this->hidden->scaler_thread_data)
#define converter_thread_data (this->hidden->converter_thread_data)
#define fb_parms (this->hidden->fb_parms)
#define SDL_nummodes (this->hidden->SDL_nummodes)
#define SDL_modelist (this->hidden->SDL_modelist)
#define SDL_videomode (this->hidden->SDL_videomode)
#define fb_finfo (this->hidden->fb_finfo)
#define fb_vinfo (this->hidden->fb_vinfo)
#define fb_orig_vinfo (this->hidden->fb_orig_vinfo)
#define res (this->hidden->res)
#define double_buffering (this->hidden->double_buffering)
#define real_width (this->hidden->real_width)
#define real_height (this->hidden->real_height)
#define s_fb_pixel_size (this->hidden->s_fb_pixel_size)
#define fb_bits_per_pixel (this->hidden->fb_bits_per_pixel)
#define config_count (this->hidden->config_count)
#define s_input_line_length (this->hidden->s_input_line_length)
#define s_bounded_input_width (this->hidden->s_bounded_input_width)
#define s_bounded_input_height (this->hidden->s_bounded_input_height)
#define s_bounded_input_width_offset (this->hidden->s_bounded_input_width_offset)
#define s_bounded_input_height_offset (this->hidden->s_bounded_input_height_offset)
#define s_writeable_width (this->hidden->s_writeable_width)
#define s_writeable_height (this->hidden->s_writeable_height)
#define s_center (this->hidden->s_center)
#define s_center_index (this->hidden->s_center_index)
#define s_pixels (this->hidden->s_pixels)
#endif /* _SDL_ps3video_h */