Mercurial > sdl-ios-xcode
view src/video/ps3/SDL_ps3video.c @ 3150:0cf7bff804ad gsoc2009_ps3
Code reviewed and added SPE API documentation.
author | Martin Lowinski <martin@goldtopf.org> |
---|---|
date | Sun, 19 Jul 2009 11:31:47 +0000 |
parents | 9e902f423497 |
children | 4a88137385f9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga 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 Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* SDL PS3 video driver implementation based on dummy video driver * * Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion * of this was cut-and-pasted from Stephane Peter's work in the AAlib * SDL video driver. Renamed to "DUMMY" by Sam Lantinga. */ #include "SDL_video.h" #include "SDL_mouse.h" #include "../SDL_sysvideo.h" #include "../SDL_pixels_c.h" #include "../../events/SDL_events_c.h" #include "SDL_ps3video.h" #include "SDL_ps3spe_c.h" #include "SDL_ps3events_c.h" #include "SDL_ps3render_c.h" #include <fcntl.h> #include <linux/fb.h> #include <asm/ps3fb.h> #include <sys/mman.h> #define PS3VID_DRIVER_NAME "ps3" /* Initialization/Query functions */ static int PS3_VideoInit(_THIS); static int PS3_SetDisplayMode(_THIS, SDL_DisplayMode * mode); void PS3_InitModes(_THIS); void PS3_GetDisplayModes(_THIS); static void PS3_VideoQuit(_THIS); /* Stores the SPE executable name of fb_writer_spu */ extern spe_program_handle_t fb_writer_spu; /* PS3 driver bootstrap functions */ static int PS3_Available(void) { deprintf(1, "PS3_Available()\n"); const char *envr = SDL_getenv("SDL_VIDEODRIVER"); if ((envr) && (SDL_strcmp(envr, PS3VID_DRIVER_NAME) == 0)) { return (1); } return (0); } static void PS3_DeleteDevice(SDL_VideoDevice * device) { deprintf(1, "PS3_DeleteDevice()\n"); SDL_free(device->driverdata); SDL_free(device); } static SDL_VideoDevice * PS3_CreateDevice(int devindex) { deprintf(1, "PS3_CreateDevice()\n"); SDL_VideoDevice *device; SDL_VideoData *data; /* Initialize all variables that we clean on shutdown */ device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); if (!device) { SDL_OutOfMemory(); if (device) { SDL_free(device); } return (0); } data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData)); if (!data) { SDL_OutOfMemory(); SDL_free(device); return (0); } device->driverdata = data; /* Set the function pointers */ device->VideoInit = PS3_VideoInit; device->VideoQuit = PS3_VideoQuit; device->SetDisplayMode = PS3_SetDisplayMode; device->GetDisplayModes = PS3_GetDisplayModes; device->PumpEvents = PS3_PumpEvents; device->free = PS3_DeleteDevice; return device; } VideoBootStrap PS3_bootstrap = { PS3VID_DRIVER_NAME, "SDL PS3 Cell video driver", PS3_Available, PS3_CreateDevice }; int PS3_VideoInit(_THIS) { deprintf(1, "PS3_VideoInit()\n"); SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; SDL_DisplayMode mode; #if 1 /* Use a fake 32-bpp desktop mode */ mode.format = SDL_PIXELFORMAT_RGB888; mode.w = 1920; mode.h = 1080; mode.refresh_rate = 0; mode.driverdata = NULL; SDL_AddBasicVideoDisplay(&mode); SDL_AddRenderDriver(0, &SDL_PS3_RenderDriver); //SDL_zero(mode); SDL_AddDisplayMode(0, &mode); //display.desktop_mode = mode; //display.current_mode = mode; #endif /* *PS3 stuff */ /* Create SPU fb_parms and thread structure */ data->fb_parms = (struct fb_writer_parms_t *) memalign(16, sizeof(struct fb_writer_parms_t)); data->fb_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t)); if (data->fb_parms == NULL || data->fb_thread_data == NULL) { SDL_OutOfMemory(); return -1; } data->fb_thread_data->program = fb_writer_spu; data->fb_thread_data->program_name = "fb_writer_spu"; data->fb_thread_data->argp = (void *)data->fb_parms; data->fb_thread_data->keepalive = 1; data->fb_thread_data->booted = 0; SPE_Start(data->fb_thread_data); /* Open the device */ data->fbdev = open(PS3DEV, O_RDWR); if (data->fbdev < 0) { SDL_SetError("[PS3] Unable to open device %s", PS3DEV); return -1; } /* Take control of frame buffer from kernel, for details see * http://felter.org/wesley/files/ps3/linux-20061110-docs/ApplicationProgrammingEnvironment.html * kernel will no longer flip the screen itself */ ioctl(data->fbdev, PS3FB_IOCTL_ON, 0); /* Unblank screen */ ioctl(data->fbdev, FBIOBLANK, 0); struct fb_fix_screeninfo fb_finfo; if (ioctl(data->fbdev, FBIOGET_FSCREENINFO, &fb_finfo)) { SDL_SetError("[PS3] Can't get fixed screeninfo"); return (0); } /* Note: on PS3, fb_finfo.smem_len is enough for double buffering */ if ((data->frame_buffer = (uint8_t *)mmap(0, fb_finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, data->fbdev, 0)) == (uint8_t *) - 1) { SDL_SetError("[PS3] Can't mmap for %s", PS3DEV); return (0); } else { /* Enable double buffering */ } /* Blank screen */ memset(data->frame_buffer, 0x00, fb_finfo.smem_len); #if 0 PS3_InitModes(_this); SDL_AddRenderDriver(0, &SDL_PS3_RenderDriver); #endif /* We're done! */ return 0; } static int PS3_SetDisplayMode(_THIS, SDL_DisplayMode * mode) { deprintf(1, "PS3_SetDisplayMode()\n"); SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; SDL_DisplayData *dispdata = (SDL_DisplayData *) mode->driverdata; if (ioctl(data->fbdev, PS3FB_IOCTL_SETMODE, (unsigned long)&dispdata->mode)) { SDL_SetError("Could not set videomode"); return -1; } return 0; } void PS3_GetDisplayModes(_THIS) { deprintf(1, "PS3_GetDisplayModes()\n"); } void PS3_InitModes(_THIS) { deprintf(1, "PS3_InitModes()\n"); SDL_VideoDisplay display; SDL_DisplayMode mode, mode1080p; SDL_DisplayData *displaydata; SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata)); if (!displaydata) { return; } struct ps3fb_ioctl_res res; if (ioctl(data->fbdev, PS3FB_IOCTL_SCREENINFO, &res)) { SDL_SetError("Can't get PS3FB_IOCTL_SCREENINFO"); } mode.format = SDL_PIXELFORMAT_RGB888; mode.refresh_rate = 0; mode.w = res.xres; mode.h = res.yres; int vid = 0; if (ioctl(data->fbdev, PS3FB_IOCTL_GETMODE, (unsigned long)&vid)) { SDL_SetError("Can't get PS3FB_IOCTL_GETMODE"); } printf("PS3FB_IOCTL_GETMODE = %u\n", vid); displaydata->mode = vid; mode.driverdata = displaydata; SDL_zero(display); display.desktop_mode = mode; display.current_mode = mode; SDL_AddVideoDisplay(&display); SDL_AddDisplayMode(_this->current_display, &mode); mode1080p.format = SDL_PIXELFORMAT_RGB888; mode1080p.refresh_rate = 0; mode1080p.w = 1920; mode1080p.h = 1080; displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata)); if (!displaydata) { return; } displaydata->mode = 133; mode1080p.driverdata = displaydata; SDL_AddDisplayMode(_this->current_display, &mode1080p); } void PS3_VideoQuit(_THIS) { deprintf(1, "PS3_VideoQuit()\n"); SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; /* Unmap framebuffer */ if (data->frame_buffer) { struct fb_fix_screeninfo fb_finfo; if (ioctl(data->fbdev, FBIOGET_FSCREENINFO, &fb_finfo) != -1) { munmap(data->frame_buffer, fb_finfo.smem_len); data->frame_buffer = 0; } } /* Shutdown SPE and related resources */ if (data->fb_parms) free((void *)data->fb_parms); if (data->fb_thread_data) { SPE_Shutdown(data->fb_thread_data); free((void *)data->fb_thread_data); } /* Close device */ if (data->fbdev > 0) { /* Give control of frame buffer back to kernel */ ioctl(data->fbdev, PS3FB_IOCTL_OFF, 0); close(data->fbdev); data->fbdev = -1; } } /* vi: set ts=4 sw=4 expandtab: */