This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_photon.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
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QNX Photon GUI SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
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*/
#include "SDL_config.h"
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#include "../SDL_sysvideo.h"
#include "SDL_version.h"
#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
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#include "SDL_photon.h"
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static SDL_bool photon_initialized=SDL_FALSE;
static int photon_available(void)
{
int status;
/* Check if Photon was initialized before */
if (photon_initialized==SDL_FALSE)
{
/* Initialize Photon widget library and open channel to Photon */
status=PtInit(NULL);
if (status==0)
{
photon_initialized=SDL_TRUE;
return 1;
}
else
{
photon_initialized=SDL_FALSE;
return 0;
}
}
return 1;
}
static void photon_destroy(SDL_VideoDevice* device)
{
}
static SDL_VideoDevice* photon_create(int devindex)
{
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SDL_VideoDevice* device;
SDL_VideoData* phdata;
int status;
/* Check if photon could be initialized */
status=photon_available();
if (status==0)
{
/* Photon could not be used */
return NULL;
}
/* Initialize SDL_VideoDevice structure */
device=(SDL_VideoDevice*)SDL_calloc(1, sizeof(SDL_VideoDevice));
if (device==NULL)
{
SDL_OutOfMemory();
return NULL;
}
/* Initialize internal photon specific data */
phdata=(SDL_VideoData*)SDL_calloc(1, sizeof(SDL_VideoData));
if (phdata==NULL)
{
SDL_OutOfMemory();
SDL_free(device);
return NULL;
}
device->driverdata=phdata;
/* Setup amount of available displays and current display */
device->num_displays=0;
device->current_display=0;
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}
VideoBootStrap photon_bootstrap=
{
"photon",
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"SDL QNX Photon video driver",
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photon_available,
photon_create
};
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/*****************************************************************************/
/* SDL Video and Display initialization/handling functions */
/*****************************************************************************/
int photon_videoinit(_THIS)
{
SDL_VideoData* phdata=(SDL_VideoData*)_this->driverdata;
/* Check for environment variables which could override some SDL settings */
// didata->custom_refresh=0;
// override = SDL_getenv("SDL_VIDEO_PHOTON_REFRESH_RATE");
// if (override!=NULL)
// {
// if (SDL_sscanf(override, "%u", &didata->custom_refresh)!=1)
// {
// didata->custom_refresh=0;
// }
// }
/* Add photon renderer to SDL */
photon_addrenderdriver(_this);
/* video has been initialized successfully */
return 1;
}
void photon_videoquit(_THIS)
{
SDL_DisplayData* didata;
uint32_t it;
/* SDL will restore our desktop mode on exit */
for(it=0; it<_this->num_displays; it++)
{
didata=_this->displays[it].driverdata;
}
}
void photon_getdisplaymodes(_THIS)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
SDL_DisplayMode mode;
}
int photon_setdisplaymode(_THIS, SDL_DisplayMode* mode)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
return 0;
}
int photon_setdisplaypalette(_THIS, SDL_Palette* palette)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
/* Setting display palette operation has been failed */
return -1;
}
int photon_getdisplaypalette(_THIS, SDL_Palette* palette)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
/* Getting display palette operation has been failed */
return -1;
}
int photon_setdisplaygammaramp(_THIS, Uint16* ramp)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
/* Setting display gamma ramp operation has been failed */
return -1;
}
int photon_getdisplaygammaramp(_THIS, Uint16* ramp)
{
/* Getting display gamma ramp operation has been failed */
return -1;
}
int photon_createwindow(_THIS, SDL_Window* window)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
SDL_WindowData* wdata;
/* Allocate window internal data */
wdata=(SDL_WindowData*)SDL_calloc(1, sizeof(SDL_WindowData));
if (wdata==NULL)
{
SDL_OutOfMemory();
return -1;
}
/* Setup driver data for this window */
window->driverdata=wdata;
/* Check if window must support OpenGL ES rendering */
if ((window->flags & SDL_WINDOW_OPENGL)==SDL_WINDOW_OPENGL)
{
/* Mark this window as OpenGL ES compatible */
wdata->uses_gles=SDL_TRUE;
}
/* Window has been successfully created */
return 0;
}
int photon_createwindowfrom(_THIS, SDL_Window* window, const void* data)
{
/* Failed to create window from another window */
return -1;
}
void photon_setwindowtitle(_THIS, SDL_Window* window)
{
}
void photon_setwindowicon(_THIS, SDL_Window* window, SDL_Surface* icon)
{
}
void photon_setwindowposition(_THIS, SDL_Window* window)
{
}
void photon_setwindowsize(_THIS, SDL_Window* window)
{
}
void photon_showwindow(_THIS, SDL_Window* window)
{
}
void photon_hidewindow(_THIS, SDL_Window* window)
{
}
void photon_raisewindow(_THIS, SDL_Window* window)
{
}
void photon_maximizewindow(_THIS, SDL_Window* window)
{
}
void photon_minimizewindow(_THIS, SDL_Window* window)
{
}
void photon_restorewindow(_THIS, SDL_Window* window)
{
}
void photon_setwindowgrab(_THIS, SDL_Window* window)
{
}
void photon_destroywindow(_THIS, SDL_Window* window)
{
SDL_DisplayData* didata=(SDL_DisplayData*)SDL_CurrentDisplay.driverdata;
SDL_WindowData* wdata=(SDL_WindowData*)window->driverdata;
if (wdata!=NULL)
{
}
}
/*****************************************************************************/
/* SDL Window Manager function */
/*****************************************************************************/
SDL_bool photon_getwindowwminfo(_THIS, SDL_Window* window, struct SDL_SysWMinfo* info)
{
if (info->version.major<=SDL_MAJOR_VERSION)
{
return SDL_TRUE;
}
else
{
SDL_SetError("application not compiled with SDL %d.%d\n", SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
/* Failed to get window manager information */
return SDL_FALSE;
}
/*****************************************************************************/
/* SDL OpenGL/OpenGL ES functions */
/*****************************************************************************/
int photon_gl_loadlibrary(_THIS, const char* path)
{
/* Failed to load new GL library */
return -1;
}
void* photon_gl_getprocaddres(_THIS, const char* proc)
{
/* Failed to get GL function address pointer */
return NULL;
}
void photon_gl_unloadlibrary(_THIS)
{
}
SDL_GLContext photon_gl_createcontext(_THIS, SDL_Window* window)
{
/* Failed to create GL context */
return NULL;
}
int photon_gl_makecurrent(_THIS, SDL_Window* window, SDL_GLContext context)
{
/* Failed to set current GL context */
return -1;
}
int photon_gl_setswapinterval(_THIS, int interval)
{
/* Failed to set swap interval */
return -1;
}
int photon_gl_getswapinterval(_THIS)
{
/* Failed to get default swap interval */
return -1;
}
void photon_gl_swapwindow(_THIS, SDL_Window* window)
{
}
void photon_gl_deletecontext(_THIS, SDL_GLContext context)
{
}
/*****************************************************************************/
/* SDL Event handling function */
/*****************************************************************************/
void photon_pumpevents(_THIS)
{
}
/*****************************************************************************/
/* SDL screen saver related functions */
/*****************************************************************************/
void photon_suspendscreensaver(_THIS)
{
/* There is no screensaver in pure console, it may exist when running */
/* GF under Photon, but I do not know, how to disable screensaver */
}
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/* vi: set ts=4 sw=4 expandtab: */