2 * SDL - Simple DirectMedia Layer
3 * CELL BE Support for PS3 Framebuffer
4 * Copyright (C) 2008, 2009 International Business Machines Corporation
6 * This library is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
21 * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
22 * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
23 * SPE code based on research by:
28 #include "SDL_config.h"
29 #include "../SDL_sysvideo.h"
30 #include "SDL_mouse.h"
31 #include "SDL_mutex.h"
32 #include "spulibs/spu_common.h"
36 #include <linux/types.h>
38 #include <asm/ps3fb.h>
42 #ifndef _SDL_ps3video_h
43 #define _SDL_ps3video_h
46 * 0: No debug messages
47 * 1: Video debug messages
48 * 2: SPE debug messages
54 #define deprintf( level, fmt, args... ) \
57 if ( (unsigned)(level) <= DEBUG_LEVEL ) \
59 fprintf( stdout, fmt, ##args ); \
64 #define deprintf( level, fmt, args... )
67 /* Framebuffer device */
68 #define PS3_DEV_FB "/dev/fb0"
70 /* Hidden "this" pointer for the video functions */
71 #define _THIS SDL_VideoDevice * this
74 typedef struct spu_data {
75 spe_context_ptr_t ctx;
77 spe_program_handle_t program;
80 unsigned int keepalive;
86 /* Private video driver data needed for Cell support */
87 struct SDL_PrivateVideoData
89 const char * const fb_dev_name; /* FB-device name */
90 int fb_dev_fd; /* Descriptor-handle for fb_dev_name */
91 uint8_t * frame_buffer; /* mmap'd access to fbdev */
93 /* SPE threading stuff */
94 spu_data_t * fb_thread_data;
95 spu_data_t * scaler_thread_data;
96 spu_data_t * converter_thread_data;
98 /* screeninfo (from linux/fb.h) */
99 struct fb_fix_screeninfo fb_finfo;
100 struct fb_var_screeninfo fb_vinfo;
101 struct fb_var_screeninfo fb_orig_vinfo;
103 /* screeninfo (from asm/ps3fb.h) */
104 struct ps3fb_ioctl_res res;
106 unsigned int double_buffering;
107 uint32_t real_width; // real width of screen
108 uint32_t real_height; // real height of screen
110 uint32_t s_fb_pixel_size; // 32: 4 24: 3 16: 2 15: 2
111 uint32_t fb_bits_per_pixel; // 32: 32 24: 24 16: 16 15: 15
113 uint32_t config_count;
115 uint32_t s_input_line_length; // precalculated: input_width * fb_pixel_size
116 uint32_t s_bounded_input_width; // width of input (bounded by writeable width)
117 uint32_t s_bounded_input_height;// height of input (bounded by writeable height)
118 uint32_t s_bounded_input_width_offset; // offset from the left side (used for centering)
119 uint32_t s_bounded_input_height_offset; // offset from the upper side (used for centering)
120 uint32_t s_writeable_width; // width of screen which is writeable
121 uint32_t s_writeable_height; // height of screen which is writeable
123 uint8_t * s_center[2]; // where to begin writing our image (centered?)
124 uint32_t s_center_index;
126 volatile void * s_pixels __attribute__((aligned(128)));
128 /* Framebuffer data */
129 volatile struct fb_writer_parms_t * fb_parms __attribute__((aligned(128)));
132 #define fb_dev_name (this->hidden->fb_dev_name)
133 #define fb_dev_fd (this->hidden->fb_dev_fd)
134 #define frame_buffer (this->hidden->frame_buffer)
135 #define fb_thread_data (this->hidden->fb_thread_data)
136 #define scaler_thread_data (this->hidden->scaler_thread_data)
137 #define converter_thread_data (this->hidden->converter_thread_data)
138 #define fb_parms (this->hidden->fb_parms)
139 #define SDL_nummodes (this->hidden->SDL_nummodes)
140 #define SDL_modelist (this->hidden->SDL_modelist)
141 #define SDL_videomode (this->hidden->SDL_videomode)
142 #define fb_finfo (this->hidden->fb_finfo)
143 #define fb_vinfo (this->hidden->fb_vinfo)
144 #define fb_orig_vinfo (this->hidden->fb_orig_vinfo)
145 #define res (this->hidden->res)
146 #define double_buffering (this->hidden->double_buffering)
147 #define real_width (this->hidden->real_width)
148 #define real_height (this->hidden->real_height)
149 #define s_fb_pixel_size (this->hidden->s_fb_pixel_size)
150 #define fb_bits_per_pixel (this->hidden->fb_bits_per_pixel)
151 #define config_count (this->hidden->config_count)
152 #define s_input_line_length (this->hidden->s_input_line_length)
153 #define s_bounded_input_width (this->hidden->s_bounded_input_width)
154 #define s_bounded_input_height (this->hidden->s_bounded_input_height)
155 #define s_bounded_input_width_offset (this->hidden->s_bounded_input_width_offset)
156 #define s_bounded_input_height_offset (this->hidden->s_bounded_input_height_offset)
157 #define s_writeable_width (this->hidden->s_writeable_width)
158 #define s_writeable_height (this->hidden->s_writeable_height)
159 #define s_center (this->hidden->s_center)
160 #define s_center_index (this->hidden->s_center_index)
161 #define s_pixels (this->hidden->s_pixels)
163 #endif /* _SDL_ps3video_h */