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SDL_DirectFB_video.c
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SDL_DirectFB_video.c
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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
SDL1.3 implementation by couriersud@arcor.de
*/
#include "SDL_config.h"
/* DirectFB video driver implementation.
*/
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <directfb.h>
#include <directfb_version.h>
#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_DirectFB_video.h"
#include "SDL_DirectFB_events.h"
#include "SDL_DirectFB_render.h"
#include "SDL_DirectFB_mouse.h"
/* Initialization/Query functions */
static int DirectFB_VideoInit(_THIS);
static void DirectFB_VideoQuit(_THIS);
static int DirectFB_Available(void);
static SDL_VideoDevice *DirectFB_CreateDevice(int devindex);
static int DirectFB_SetDisplayGammaRamp(_THIS, Uint16 * ramp);
static int DirectFB_GetDisplayGammaRamp(_THIS, Uint16 * ramp);
VideoBootStrap DirectFB_bootstrap = {
"directfb", "DirectFB",
DirectFB_Available, DirectFB_CreateDevice
};
/* DirectFB driver bootstrap functions */
static int
DirectFB_Available(void)
{
return 1;
}
static void
DirectFB_DeleteDevice(SDL_VideoDevice * device)
{
SDL_free(device->driverdata);
SDL_free(device);
}
static SDL_VideoDevice *
DirectFB_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* Initialize all variables that we clean on shutdown */
SDL_DFB_CALLOC(device, 1, sizeof(SDL_VideoDevice));
/* Set the function pointers */
/* Set the function pointers */
device->VideoInit = DirectFB_VideoInit;
device->VideoQuit = DirectFB_VideoQuit;
device->GetDisplayModes = DirectFB_GetDisplayModes;
device->SetDisplayMode = DirectFB_SetDisplayMode;
#if 0
device->SetDisplayGammaRamp = DirectFB_SetDisplayGammaRamp;
device->GetDisplayGammaRamp = DirectFB_GetDisplayGammaRamp;
#else
device->SetDisplayGammaRamp = NULL;
device->GetDisplayGammaRamp = NULL;
#endif
device->PumpEvents = DirectFB_PumpEventsWindow;
device->CreateWindow = DirectFB_CreateWindow;
device->CreateWindowFrom = DirectFB_CreateWindowFrom;
device->SetWindowTitle = DirectFB_SetWindowTitle;
device->SetWindowPosition = DirectFB_SetWindowPosition;
device->SetWindowSize = DirectFB_SetWindowSize;
device->ShowWindow = DirectFB_ShowWindow;
device->HideWindow = DirectFB_HideWindow;
device->RaiseWindow = DirectFB_RaiseWindow;
device->MaximizeWindow = DirectFB_MaximizeWindow;
device->MinimizeWindow = DirectFB_MinimizeWindow;
device->RestoreWindow = DirectFB_RestoreWindow;
device->SetWindowGrab = DirectFB_SetWindowGrab;
device->DestroyWindow = DirectFB_DestroyWindow;
device->GetWindowWMInfo = DirectFB_GetWindowWMInfo;
#if SDL_DIRECTFB_OPENGL
device->GL_LoadLibrary = DirectFB_GL_LoadLibrary;
device->GL_GetProcAddress = DirectFB_GL_GetProcAddress;
device->GL_MakeCurrent = DirectFB_GL_MakeCurrent;
device->GL_CreateContext = DirectFB_GL_CreateContext;
device->GL_SetSwapInterval = DirectFB_GL_SetSwapInterval;
device->GL_GetSwapInterval = DirectFB_GL_GetSwapInterval;
device->GL_SwapWindow = DirectFB_GL_SwapWindow;
device->GL_DeleteContext = DirectFB_GL_DeleteContext;
#endif
device->free = DirectFB_DeleteDevice;
return device;
error:
if (device)
free(device);
return (0);
}
static int
DirectFB_VideoInit(_THIS)
{
IDirectFB *dfb = NULL;
DFB_DeviceData *devdata;
char *stemp;
DFBResult ret;
SDL_DFB_CHECKERR(DirectFBInit(NULL, NULL));
SDL_DFB_CHECKERR(DirectFBCreate(&dfb));
SDL_DFB_CALLOC(devdata, 1, sizeof(*devdata));
devdata->use_yuv_underlays = 0; /* default: off */
stemp = getenv(DFBENV_USE_YUV_UNDERLAY);
if (stemp)
devdata->use_yuv_underlays = atoi(stemp);
/* Create global Eventbuffer for axis events */
SDL_DFB_CHECKERR(dfb->
CreateInputEventBuffer(dfb, DICAPS_AXES /*DICAPS_ALL */ ,
DFB_TRUE, &devdata->events));
devdata->initialized = 1;
devdata->dfb = dfb;
devdata->firstwin = NULL;
_this->driverdata = devdata;
DirectFB_InitModes(_this);
#if SDL_DIRECTFB_OPENGL
DirectFB_GL_Initialize(_this);
#endif
DirectFB_AddRenderDriver(_this);
DirectFB_InitMouse(_this);
DirectFB_InitKeyboard(_this);
return 0;
error:
SDL_DFB_RELEASE(dfb);
return -1;
}
static void
DirectFB_VideoQuit(_THIS)
{
DFB_DeviceData *devdata = (DFB_DeviceData *) _this->driverdata;
DirectFB_QuitModes(_this);
DirectFB_QuitKeyboard(_this);
DirectFB_QuitMouse(_this);
SDL_DFB_RELEASE(devdata->events);
SDL_DFB_RELEASE(devdata->dfb);
SDL_DFB_FREE(_this->driverdata);
#if SDL_DIRECTFB_OPENGL
DirectFB_GL_Shutdown(_this);
#endif
devdata->initialized = 0;
}
static int
DirectFB_SetDisplayGammaRamp(_THIS, Uint16 * ramp)
{
return -1;
}
static int
DirectFB_GetDisplayGammaRamp(_THIS, Uint16 * ramp)
{
return -1;
}