SDL_ph_video.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
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slouken@libsdl.org
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*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include "SDL.h"
#include "SDL_error.h"
#include "SDL_timer.h"
#include "SDL_thread.h"
#include "SDL_video.h"
#include "SDL_mouse.h"
#include "SDL_endian.h"
#include "SDL_sysvideo.h"
#include "SDL_pixels_c.h"
#include "SDL_events_c.h"
#include "SDL_ph_video.h"
#include "SDL_ph_modes_c.h"
#include "SDL_ph_image_c.h"
#include "SDL_ph_events_c.h"
#include "SDL_ph_mouse_c.h"
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#include "SDL_ph_wm_c.h"
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#include "SDL_phyuv_c.h"
#include "blank_cursor.h"
static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags);
static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
static void ph_VideoQuit(_THIS);
static void ph_DeleteDevice(SDL_VideoDevice *device);
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static void ph_UpdateMouse(_THIS);
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#ifdef HAVE_OPENGL
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static int ph_SetupOpenGLContext(_THIS, int width, int height, int bpp, Uint32 flags);
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static void ph_GL_SwapBuffers(_THIS);
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static int ph_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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static int ph_GL_LoadLibrary(_THIS, const char* path);
static void* ph_GL_GetProcAddress(_THIS, const char* proc);
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#endif /* HAVE_OPENGL */
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static int ph_Available(void)
{
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int phstat=-1;
phstat=PtInit(0);
if (phstat==0)
{
return 1;
}
else
{
return 0;
}
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}
static SDL_VideoDevice *ph_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* Initialize all variables that we clean on shutdown */
device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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if (device) {
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memset(device, 0, (sizeof *device));
device->hidden = (struct SDL_PrivateVideoData *)
malloc((sizeof *device->hidden));
device->gl_data = NULL;
}
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if ((device == NULL) || (device->hidden == NULL)) {
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SDL_OutOfMemory();
ph_DeleteDevice(device);
return(0);
}
memset(device->hidden, 0, (sizeof *device->hidden));
/* Set the driver flags */
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device->handles_any_size = 1; /* JB not true for fullscreen */
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/* Set the function pointers */
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device->CreateYUVOverlay = ph_CreateYUVOverlay;
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device->VideoInit = ph_VideoInit;
device->ListModes = ph_ListModes;
device->SetVideoMode = ph_SetVideoMode;
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device->ToggleFullScreen = ph_ToggleFullScreen;
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device->UpdateMouse = ph_UpdateMouse;
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device->SetColors = ph_SetColors;
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device->UpdateRects = NULL; /* set up in ph_SetupUpdateFunction */
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device->VideoQuit = ph_VideoQuit;
device->AllocHWSurface = ph_AllocHWSurface;
device->CheckHWBlit = NULL;
device->FillHWRect = NULL;
device->SetHWColorKey = NULL;
device->SetHWAlpha = NULL;
device->LockHWSurface = ph_LockHWSurface;
device->UnlockHWSurface = ph_UnlockHWSurface;
device->FlipHWSurface = ph_FlipHWSurface;
device->FreeHWSurface = ph_FreeHWSurface;
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device->SetCaption = ph_SetCaption;
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device->SetIcon = NULL;
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device->IconifyWindow = ph_IconifyWindow;
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device->GrabInput = ph_GrabInput;
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device->GetWMInfo = ph_GetWMInfo;
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device->FreeWMCursor = ph_FreeWMCursor;
device->CreateWMCursor = ph_CreateWMCursor;
device->ShowWMCursor = ph_ShowWMCursor;
device->WarpWMCursor = ph_WarpWMCursor;
device->CheckMouseMode = ph_CheckMouseMode;
device->InitOSKeymap = ph_InitOSKeymap;
device->PumpEvents = ph_PumpEvents;
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/* OpenGL support. */
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device->GL_MakeCurrent = NULL;
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#ifdef HAVE_OPENGL
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device->GL_SwapBuffers = ph_GL_SwapBuffers;
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device->GL_GetAttribute = ph_GL_GetAttribute;
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device->GL_LoadLibrary = ph_GL_LoadLibrary;
device->GL_GetProcAddress = ph_GL_GetProcAddress;
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#else
device->GL_SwapBuffers = NULL;
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device->GL_GetAttribute = NULL;
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device->GL_LoadLibrary = NULL;
device->GL_GetProcAddress = NULL;
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#endif /* HAVE_OPENGL */
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device->free = ph_DeleteDevice;
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return device;
}
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VideoBootStrap ph_bootstrap = {
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"photon", "QNX Photon video output",
ph_Available, ph_CreateDevice
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};
static void ph_DeleteDevice(SDL_VideoDevice *device)
{
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if (device)
{
if (device->hidden)
{
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free(device->hidden);
device->hidden = NULL;
}
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if (device->gl_data)
{
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free(device->gl_data);
device->gl_data = NULL;
}
free(device);
device = NULL;
}
}
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static PtWidget_t *ph_CreateWindow(_THIS)
{
PtWidget_t *widget;
widget = PtCreateWidget(PtWindow, NULL, 0, 0);
return widget;
}
static int ph_SetupWindow(_THIS, int w, int h, int flags)
{
PtArg_t args[32];
PhPoint_t pos = {0, 0};
PhDim_t dim = {w, h};
int nargs = 0;
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const char* windowpos;
const char* iscentered;
int x, y;
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PtSetArg(&args[nargs++], Pt_ARG_DIM, &dim, 0);
if ((flags & SDL_RESIZABLE) == SDL_RESIZABLE)
{
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_RESIZE | Ph_WM_CLOSE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_MAX | Ph_WM_RESTORE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_RESIZE | Ph_WM_MOVE | Ph_WM_MAX | Ph_WM_RESTORE | Ph_WM_CLOSE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX | Ph_WM_RENDER_COLLAPSE | Ph_WM_RENDER_RETURN);
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}
else
{
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_RESIZE | Ph_WM_MAX | Ph_WM_RESTORE | Ph_WM_CLOSE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_FALSE, Ph_WM_RESIZE | Ph_WM_MAX | Ph_WM_RESTORE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_MOVE | Ph_WM_CLOSE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX | Ph_WM_RENDER_COLLAPSE | Ph_WM_RENDER_RETURN);
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}
if (((flags & SDL_NOFRAME)==SDL_NOFRAME) || ((flags & SDL_FULLSCREEN)==SDL_FULLSCREEN))
{
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if ((flags & SDL_RESIZABLE) != SDL_RESIZABLE)
{
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Pt_TRUE);
}
else
{
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Pt_TRUE);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_BORDER);
}
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}
else
{
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE |
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Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_MENU | Ph_WM_RENDER_MIN);
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if ((flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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{
PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
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PtSetArg(&args[nargs++], Pt_ARG_BASIC_FLAGS, Pt_TRUE, Pt_BASIC_PREVENT_FILL);
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_FFRONT | Ph_WM_MAX);
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISFOCUS | Ph_WM_STATE_ISALTKEY);
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}
else
{
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windowpos = getenv("SDL_VIDEO_WINDOW_POS");
iscentered = getenv("SDL_VIDEO_CENTERED");
if ((iscentered) || ((windowpos) && (strcmp(windowpos, "center")==0)))
{
pos.x = (desktop_mode.width - w)/2;
pos.y = (desktop_mode.height - h)/2;
PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
}
else
{
if (windowpos)
{
if (sscanf(windowpos, "%d,%d", &x, &y) == 2 )
{
pos.x=x;
pos.y=y;
PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
}
}
}
PtSetArg(&args[nargs++], Pt_ARG_FILL_COLOR, Pg_BLACK, 0);
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_FALSE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISMAX | Ph_WM_STATE_ISALTKEY);
PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_HIDE);
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PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_HIDE);
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PtSetArg(&args[nargs++], Pt_ARG_RESIZE_FLAGS, Pt_FALSE, Pt_RESIZE_XY_AS_REQUIRED);
}
PtSetResources(window, nargs, args);
PtRealizeWidget(window);
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PtWindowToFront(window);
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return 0;
}
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static const struct ColourMasks* ph_GetColourMasks(int bpp)
{
/* The alpha mask doesn't appears to be needed */
static const struct ColourMasks phColorMasks[5] = {
/* 8 bit */ {0, 0, 0, 0, 8},
/* 15 bit ARGB */ {0x7C00, 0x03E0, 0x001F, 0x8000, 15},
/* 16 bit RGB */ {0xF800, 0x07E0, 0x001F, 0x0000, 16},
/* 24 bit RGB */ {0xFF0000, 0x00FF00, 0x0000FF, 0x000000, 24},
/* 32 bit ARGB */ {0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, 32},
};
switch (bpp)
{
case 8:
return &phColorMasks[0];
case 15:
return &phColorMasks[1];
case 16:
return &phColorMasks[2];
case 24:
return &phColorMasks[3];
case 32:
return &phColorMasks[4];
}
return NULL;
}
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static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
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PgHWCaps_t my_hwcaps;
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int i;
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window=NULL;
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desktoppal=SDLPH_PAL_NONE;
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#ifdef HAVE_OPENGL
oglctx=NULL;
#endif /* HAVE_OPENGL */
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old_video_mode=-1;
old_refresh_rate=-1;
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if (NULL == (event = malloc(EVENT_SIZE)))
{
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SDL_OutOfMemory();
return -1;
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memset(event, 0x00, EVENT_SIZE);
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window = ph_CreateWindow(this);
if (window == NULL)
{
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SDL_SetError("ph_VideoInit(): Couldn't create video window !\n");
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return -1;
}
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/* Create the blank cursor */
SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask,
(int)BLANK_CWIDTH, (int)BLANK_CHEIGHT,
(int)BLANK_CHOTX, (int)BLANK_CHOTY);
if (SDL_BlankCursor == NULL)
{
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return -1;
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}
if (PgGetGraphicsHWCaps(&my_hwcaps) < 0)
{
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SDL_SetError("ph_VideoInit(): GetGraphicsHWCaps function failed !\n");
this->FreeWMCursor(this, SDL_BlankCursor);
return -1;
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}
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if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, &desktop_mode) < 0)
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SDL_SetError("ph_VideoInit(): PgGetVideoModeInfo function failed !\n");
this->FreeWMCursor(this, SDL_BlankCursor);
return -1;
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}
/* We need to return BytesPerPixel as it in used by CreateRGBsurface */
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vformat->BitsPerPixel = desktop_mode.bits_per_pixel;
vformat->BytesPerPixel = desktop_mode.bytes_per_scanline/desktop_mode.width;
desktopbpp = desktop_mode.bits_per_pixel;
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/* save current palette */
if (desktopbpp==8)
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PgGetPalette(savedpal);
PgGetPalette(syspalph);
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else
{
for(i=0; i<_Pg_MAX_PALETTE; i++)
{
savedpal[i]=PgRGB(0, 0, 0);
syspalph[i]=PgRGB(0, 0, 0);
}
}
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currently_fullscreen = 0;
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currently_hided = 0;
current_overlay = NULL;
OCImage.direct_context = NULL;
OCImage.offscreen_context = NULL;
OCImage.offscreen_backcontext = NULL;
OCImage.oldDC = NULL;
OCImage.CurrentFrameData = NULL;
OCImage.FrameData0 = NULL;
OCImage.FrameData1 = NULL;
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this->info.wm_available = 1;
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return 0;
}
static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
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const struct ColourMasks* mask;
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/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
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current->flags = flags;
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/* if we do not have desired fullscreen mode, then fallback into window mode */
if (((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && (ph_GetVideoMode(width, height, bpp)==0))
{
current->flags &= ~SDL_FULLSCREEN;
current->flags &= ~SDL_NOFRAME;
current->flags &= ~SDL_RESIZABLE;
}
ph_SetupWindow(this, width, height, current->flags);
mask = ph_GetColourMasks(bpp);
if (mask != NULL)
{
SDL_ReallocFormat(current, mask->bpp, mask->red, mask->green, mask->blue, 0);
}
else
{
SDL_SetError("ph_SetVideoMode(): desired bpp is not supported by photon !\n");
return NULL;
}
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#ifdef HAVE_OPENGL
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if (current->flags & SDL_OPENGL)
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{
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/* ph_SetupOpenGLContext creates also window as need */
if (ph_SetupOpenGLContext(this, width, height, bpp, flags)==0)
{
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ph_SetupUpdateFunction(this, current, flags);
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}
else
{
/* if context creation fail, report no OpenGL to high level */
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current->flags &= ~SDL_OPENGL;
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return NULL;
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if (current->flags & SDL_OPENGL) /* if no built-in OpenGL support */
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SDL_SetError("ph_SetVideoMode(): no OpenGL support, try to recompile library.\n");
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current->flags &= ~SDL_OPENGL;
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return NULL;
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#endif /* HAVE_OPENGL */
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}
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else
{
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/* Initialize internal variables */
if ((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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if (bpp==8)
{
desktoppal=SDLPH_PAL_SYSTEM;
}
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current->flags &= ~SDL_RESIZABLE; /* no resize for Direct Context */
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current->flags |= SDL_HWSURFACE;
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else
{
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/* remove this if we'll support non-fullscreen sw/hw+doublebuf */
current->flags &= ~SDL_DOUBLEBUF;
/* Use offscreen memory if SDL_HWSURFACE flag is set */
if ((current->flags & SDL_HWSURFACE) == SDL_HWSURFACE)
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if (desktopbpp!=bpp)
{
current->flags &= ~SDL_HWSURFACE;
}
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/* using palette emulation code in window mode */
if (bpp==8)
{
if (desktopbpp>=15)
{
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desktoppal = SDLPH_PAL_EMULATE;
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}
else
{
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desktoppal = SDLPH_PAL_SYSTEM;
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}
}
else
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desktoppal = SDLPH_PAL_NONE;
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}
current->w = width;
current->h = height;
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if (desktoppal==SDLPH_PAL_SYSTEM)
{
current->flags|=SDL_HWPALETTE;
}
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/* Must call at least once for setup image planes */
if (ph_SetupUpdateFunction(this, current, current->flags)==-1)
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{
return NULL;
}
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/* finish window drawing, if we are not in fullscreen, of course */
if ((current->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN)
{
PtFlush();
}
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else
{
PgFlush();
}
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SDL_Unlock_EventThread();
/* We're done! */
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return (current);
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}
static void ph_VideoQuit(_THIS)
{
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#ifdef HAVE_OPENGL
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PhRegion_t region_info;
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#endif /* HAVE_OPENGL */
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/* restore palette */
if (desktopbpp==8)
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PgSetPalette(syspalph, 0, -1, 0, 0, 0);
PgSetPalette(savedpal, 0, 0, _Pg_MAX_PALETTE, Pg_PALSET_GLOBAL | Pg_PALSET_FORCE_EXPOSE, 0);
PgFlush();
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ph_DestroyImage(this, SDL_VideoSurface);
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#ifdef HAVE_OPENGL
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/* prevent double SEGFAULT during parachute mode */
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if (this->screen)
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if (((this->screen->flags & SDL_FULLSCREEN)==SDL_FULLSCREEN) &&
((this->screen->flags & SDL_OPENGL)==SDL_OPENGL))
{
region_info.cursor_type=Ph_CURSOR_POINTER;
region_info.rid=PtWidgetRid(window);
PhRegionChange(Ph_REGION_CURSOR, 0, ®ion_info, NULL, NULL);
}
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}
PtFlush();
#endif /* HAVE_OPENGL */
if (window)
{
PtUnrealizeWidget(window);
PtDestroyWidget(window);
window=NULL;
}
#ifdef HAVE_OPENGL
if (oglctx)
{
PhDCSetCurrent(NULL);
PhDCRelease(oglctx);
oglctx=NULL;
}
#endif /* HAVE_OPENGL */
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if (event!=NULL)
{
free(event);
event=NULL;
}
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static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
{
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int i;
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SDL_Rect updaterect;
updaterect.x = updaterect.y = 0;
updaterect.w = this->screen->w;
updaterect.h = this->screen->h;
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/* palette emulation code, using palette of the PhImage_t struct */
if (desktoppal==SDLPH_PAL_EMULATE)
{
if ((SDL_Image) && (SDL_Image->palette))
{
for (i=firstcolor; i<firstcolor+ncolors; i++)
{
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syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b);
SDL_Image->palette[i] = syspalph[i];
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/* image needs to be redrawn */
this->UpdateRects(this, 1, &updaterect);
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}
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else
{
if (desktoppal==SDLPH_PAL_SYSTEM)
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{
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for (i=firstcolor; i<firstcolor+ncolors; i++)
{
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syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b);
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}
if ((this->screen->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN)
{
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/* window mode must use soft palette */
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PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0);
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/* image needs to be redrawn */
this->UpdateRects(this, 1, &updaterect);
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}
else
{
/* fullscreen mode must use hardware palette */
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PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0);
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}
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{
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/* SDLPH_PAL_NONE do nothing */
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}
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}
return 1;
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}
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#ifdef HAVE_OPENGL
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int ph_SetupOpenGLContext(_THIS, int width, int height, int bpp, Uint32 flags)
{
PhDim_t dim;
uint64_t OGLAttrib[PH_OGL_MAX_ATTRIBS];
int OGLargc;
dim.w=width;
dim.h=height;
if (oglctx!=NULL)
{
PhDCSetCurrent(NULL);
PhDCRelease(oglctx);
oglctx=NULL;
}
OGLargc=0;
if (this->gl_config.depth_size)
{
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_DEPTH_BITS;
OGLAttrib[OGLargc++]=this->gl_config.depth_size;
}
if (this->gl_config.stencil_size)
{
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_STENCIL_BITS;
OGLAttrib[OGLargc++]=this->gl_config.stencil_size;
}
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_FORCE_SW;
if (flags & SDL_FULLSCREEN)
{
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_FULLSCREEN;
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_DIRECT;
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_FULLSCREEN_BEST;
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_FULLSCREEN_CENTER;
}
OGLAttrib[OGLargc++]=PHOGL_ATTRIB_NONE;
if (this->gl_config.double_buffer)
{
oglctx=PdCreateOpenGLContext(2, &dim, 0, OGLAttrib);
}
else
{
oglctx=PdCreateOpenGLContext(1, &dim, 0, OGLAttrib);
}
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if (oglctx==NULL)
{
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SDL_SetError("ph_SetupOpenGLContext(): cannot create OpenGL context !\n");
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return (-1);
}
PhDCSetCurrent(oglctx);
/* disable mouse for fullscreen */
if (flags & SDL_FULLSCREEN)
{
PhRegion_t region_info;
region_info.cursor_type=Ph_CURSOR_NONE;
region_info.rid=PtWidgetRid(window);
PhRegionChange(Ph_REGION_CURSOR, 0, ®ion_info, NULL, NULL);
}
PtFlush();
return 0;
}
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void ph_GL_SwapBuffers(_THIS)
{
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PgSetRegion(PtWidgetRid(window));
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PdOpenGLContextSwapBuffers(oglctx);
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int ph_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
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{
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switch (attrib)
{
case SDL_GL_DOUBLEBUFFER:
*value=this->gl_config.double_buffer;
break;
case SDL_GL_STENCIL_SIZE:
*value=this->gl_config.stencil_size;
break;
case SDL_GL_DEPTH_SIZE:
*value=this->gl_config.depth_size;
break;
default:
*value=0;
return(-1);
}
return 0;
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}
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int ph_GL_LoadLibrary(_THIS, const char* path)
{
/* if code compiled with HAVE_OPENGL, the library already linked */
this->gl_config.driver_loaded = 1;
return 0;
}
void* ph_GL_GetProcAddress(_THIS, const char* proc)
{
return NULL;
}
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#endif /* HAVE_OPENGL */
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static void ph_UpdateMouse(_THIS)
{
PhCursorInfo_t phcursor;
short abs_x;
short abs_y;
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
/* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */
PtGetAbsPosition(window, &abs_x, &abs_y);
PhQueryCursor(PhInputGroup(NULL), &phcursor);
if (((phcursor.pos.x >= abs_x) && (phcursor.pos.x <= abs_x + this->screen->w)) &&
((phcursor.pos.y >= abs_y) && (phcursor.pos.y <= abs_y + this->screen->h)))
{
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
SDL_PrivateMouseMotion(0, 0, phcursor.pos.x-abs_x, phcursor.pos.y-abs_y);
}
else
{
SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
}
/* Unlock the event thread, in multi-threading environments */
SDL_Unlock_EventThread();
}