This repository has been archived by the owner on Feb 11, 2021.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
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Copyright (C) 1997-2010 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 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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/* SDL internals */
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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_loadso.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_keyboard_c.h"
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/* Photon declarations */
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#include "SDL_photon.h"
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/* Pixel format conversion routines */
#include "SDL_photon_pixelfmt.h"
/* Use GF's pixel format functions for OpenGL ES context creation */
#if defined(SDL_VIDEO_OPENGL_ES)
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#include "../qnxgf/SDL_gf_pixelfmt.h"
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/* If GF driver is not compiled in, include some of usefull functions */
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#if !defined(SDL_VIDEO_DRIVER_QNXGF)
#include "../qnxgf/SDL_gf_pixelfmt.c"
#endif /* SDL_VIDEO_DRIVER_QNXGF */
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#endif /* SDL_VIDEO_OPENGL_ES */
/* Use GF's OpenGL ES 1.1 functions emulation */
#if defined(SDL_VIDEO_OPENGL_ES)
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#include "../qnxgf/SDL_gf_opengles.h"
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/* If GF driver is not compiled in, include some of usefull functions */
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#if !defined(SDL_VIDEO_DRIVER_QNXGF)
#include "../qnxgf/SDL_gf_opengles.c"
#endif /* SDL_VIDEO_DRIVER_QNXGF */
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#endif /* SDL_VIDEO_OPENGL_ES */
/* Low level device graphics driver names, which they are reporting */
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static const Photon_DeviceCaps photon_devicename[] = {
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/* ATI Rage 128 graphics driver (devg-ati_rage128) */
{"ati_rage128", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Fujitsu Carmine graphics driver (devg-carmine.so) */
{"carmine", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* C&T graphics driver (devg-chips.so) */
{"chips", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Fujitsu Coral graphics driver (devg-coral.so) */
{"coral", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* Intel integrated graphics driver (devg-extreme2.so) */
{"extreme2", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* Unaccelerated FB driver (devg-flat.so) */
{"flat", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* NS Geode graphics driver (devg-geode.so) */
{"geode", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Geode LX graphics driver (devg-geodelx.so) */
{"geodelx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Intel integrated graphics driver (devg-gma9xx.so) */
{"gma", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* Intel integrated graphics driver (devg-i810.so) */
{"i810", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Intel integrated graphics driver (devg-i830.so) */
{"i830", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Geode LX graphics driver (devg-lx800.so) */
{"lx800", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Matrox Gxx graphics driver (devg-matroxg.so) */
{"matroxg", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Intel Poulsbo graphics driver (devg-poulsbo.so) */
{"poulsbo", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* ATI Radeon driver (devg-radeon.so) */
{"radeon", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* ATI Rage driver (devg-rage.so) */
{"rage", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* S3 Savage graphics driver (devg-s3_savage.so) */
{"s3_savage", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* SiS630 integrated graphics driver (devg-sis630.so) */
{"sis630", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* PowerVR SGX 535 graphics driver (devg-poulsbo.so) */
{"sgx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
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/* SM Voyager GX graphics driver (devg-smi5xx.so) */
{"smi5xx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* Silicon Motion graphics driver (devg-smi7xx.so) */
{"smi7xx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* SVGA unaccelerated gfx driver (devg-svga.so) */
{"svga", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* nVidia TNT graphics driver (devg-tnt.so) */
{"tnt", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* VIA integrated graphics driver (devg-tvia.so) */
{"tvia", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* VIA UniChrome graphics driver (devg-unichrome.so) */
{"unichrome", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* VESA unaccelerated gfx driver (devg-vesabios.so) */
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{"vesa", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* VmWare graphics driver (devg-volari.so) */
{"vmware", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* XGI XP10 graphics driver (devg-volari.so), OpenGL 1.5 */
{"volari", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
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/* End of list */
{NULL, 0x00000000}
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static SDL_bool photon_initialized = SDL_FALSE;
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static int
photon_available(void)
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int32_t status;
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/* 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;
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static void
photon_destroy(SDL_VideoDevice * device)
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SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata;
#if defined(SDL_VIDEO_OPENGL_ES)
if (phdata->gfinitialized != SDL_FALSE) {
gf_dev_detach(phdata->gfdev);
}
#endif /* SDL_VIDEO_OPENGL_ES */
if (device->driverdata != NULL) {
device->driverdata = NULL;
}
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static SDL_VideoDevice *
photon_create(int devindex)
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SDL_VideoDevice *device;
SDL_VideoData *phdata;
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int32_t status;
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/* Check if photon could be initialized */
status = photon_available();
if (status == 0) {
/* Photon could not be used */
return NULL;
}
/* Photon agregates all video devices to one with multiple heads */
if (devindex != 0) {
/* devindex could be zero only in Photon SDL driver */
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;
/* Get all photon display devices */
phdata->avail_rids =
PdGetDevices(&phdata->rid[0], SDL_VIDEO_PHOTON_MAX_RIDS);
if (phdata->avail_rids > SDL_VIDEO_PHOTON_MAX_RIDS) {
phdata->avail_rids = SDL_VIDEO_PHOTON_MAX_RIDS;
}
#if defined(SDL_VIDEO_OPENGL_ES)
/* TODO: add real device detection versus multiple heads */
status =
gf_dev_attach(&phdata->gfdev, GF_DEVICE_INDEX(0),
&phdata->gfdev_info);
if (status != GF_ERR_OK) {
/* Do not fail right now, if GF can't be attached */
phdata->gfinitialized = SDL_FALSE;
} else {
phdata->gfinitialized = SDL_TRUE;
}
#endif /* SDL_VIDEO_OPENGL_ES */
/* Set default target device */
status = PdSetTargetDevice(NULL, phdata->rid[0]);
if (status == -1) {
SDL_SetError("Photon: Can't set default target device");
#if defined(SDL_VIDEO_OPENGL_ES)
gf_dev_detach(phdata->gfdev);
#endif /* SDL_VIDEO_OPENGL_ES */
SDL_free(phdata);
SDL_free(device);
return NULL;
}
phdata->current_device_id = 0;
/* Setup amount of available displays and current display */
device->num_displays = 0;
device->current_display = 0;
/* Set device free function */
device->free = photon_destroy;
/* Setup all functions which we can handle */
device->VideoInit = photon_videoinit;
device->VideoQuit = photon_videoquit;
device->GetDisplayModes = photon_getdisplaymodes;
device->SetDisplayMode = photon_setdisplaymode;
device->CreateWindow = photon_createwindow;
device->CreateWindowFrom = photon_createwindowfrom;
device->SetWindowTitle = photon_setwindowtitle;
device->SetWindowIcon = photon_setwindowicon;
device->SetWindowPosition = photon_setwindowposition;
device->SetWindowSize = photon_setwindowsize;
device->ShowWindow = photon_showwindow;
device->HideWindow = photon_hidewindow;
device->RaiseWindow = photon_raisewindow;
device->MaximizeWindow = photon_maximizewindow;
device->MinimizeWindow = photon_minimizewindow;
device->RestoreWindow = photon_restorewindow;
device->SetWindowGrab = photon_setwindowgrab;
device->DestroyWindow = photon_destroywindow;
device->GetWindowWMInfo = photon_getwindowwminfo;
device->GL_LoadLibrary = photon_gl_loadlibrary;
device->GL_GetProcAddress = photon_gl_getprocaddres;
device->GL_UnloadLibrary = photon_gl_unloadlibrary;
device->GL_CreateContext = photon_gl_createcontext;
device->GL_MakeCurrent = photon_gl_makecurrent;
device->GL_SetSwapInterval = photon_gl_setswapinterval;
device->GL_GetSwapInterval = photon_gl_getswapinterval;
device->GL_SwapWindow = photon_gl_swapwindow;
device->GL_DeleteContext = photon_gl_deletecontext;
device->PumpEvents = photon_pumpevents;
device->SuspendScreenSaver = photon_suspendscreensaver;
return device;
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VideoBootStrap photon_bootstrap = {
"photon",
"SDL QNX Photon video driver",
photon_available,
photon_create
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/*****************************************************************************/
/* SDL Video and Display initialization/handling functions */
/*****************************************************************************/
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int
photon_videoinit(_THIS)
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SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
PgHWCaps_t hwcaps;
PgVideoModeInfo_t modeinfo;
int32_t status;
SDL_VideoDisplay display;
SDL_DisplayMode current_mode;
SDL_DisplayData *didata;
uint32_t it;
uint32_t jt;
char *override;
/* By default Photon do not uses swap on VSYNC */
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#if defined(SDL_VIDEO_OPENGL_ES)
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phdata->swapinterval = 0;
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#endif /* SDL_VIDEO_OPENGL_ES */
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for (it = 0; it < phdata->avail_rids; it++) {
didata = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (didata == NULL) {
/* memory allocation error */
SDL_OutOfMemory();
return -1;
}
/* Allocate two cursors with SDL_VIDEO_PHOTON_MAX_CURSOR_SIZE size */
/* and 128 bytes of spare place */
didata->cursor_size =
((SDL_VIDEO_PHOTON_MAX_CURSOR_SIZE * 4) >> 3) + 128;
didata->cursor = (PhCursorDef_t *) SDL_calloc(1, didata->cursor_size);
if (didata->cursor == NULL) {
/* memory allocation error */
SDL_OutOfMemory();
SDL_free(didata);
return -1;
}
/* Initialize GF in case of OpenGL ES support is compiled in */
#if defined(SDL_VIDEO_OPENGL_ES)
/* TODO: add real device detection versus multiple heads */
if (phdata->gfinitialized == SDL_TRUE) {
status =
gf_display_attach(&didata->display, phdata->gfdev, it,
&didata->display_info);
if (status != GF_ERR_OK) {
/* Just shutdown GF, do not fail */
gf_dev_detach(phdata->gfdev);
phdata->gfinitialized = SDL_FALSE;
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}
#endif /* SDL_VIDEO_OPENGL_ES */
/* Check if current device is not the same as target */
if (phdata->current_device_id != it) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[it]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
phdata->current_device_id = it;
}
/* Store device id */
didata->device_id = it;
/* Query photon about graphics hardware caps and current video mode */
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SDL_memset(&hwcaps, 0x00, sizeof(PgHWCaps_t));
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status = PgGetGraphicsHWCaps(&hwcaps);
if (status != 0) {
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PhRect_t extent;
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PdOffscreenContext_t* curctx;
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/* If error happens, this also could mean, that photon is working */
/* under custom (not listed by photon) video mode */
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status=PhWindowQueryVisible(Ph_QUERY_GRAPHICS, 0, 0, &extent);
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if (status != 0) {
SDL_SetError("Photon: Can't get graphics driver region");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
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modeinfo.width=extent.lr.x+1;
modeinfo.height=extent.lr.y+1;
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/* Hardcode 60Hz, as the base refresh rate frequency */
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hwcaps.current_rrate=60;
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/* Clear current video driver name, no way to get it somehow */
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hwcaps.chip_name[0]=0x00;
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/* Create offscreen context from video memory, which is currently */
/* displayed on the screen */
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curctx=PdCreateOffscreenContext(0, 0, 0, Pg_OSC_MAIN_DISPLAY);
if (curctx==NULL)
{
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SDL_SetError("Photon: Can't get display area capabilities");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
/* Retrieve current bpp */
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modeinfo.type=curctx->format;
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PhDCRelease(curctx);
} else {
/* Get current video mode details */
status = PgGetVideoModeInfo(hwcaps.current_video_mode, &modeinfo);
if (status != 0) {
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SDL_SetError("Photon: Can't get current video mode information");
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SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
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/* Get current video mode 2D capabilities for the renderer */
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didata->mode_2dcaps=0;
if ((modeinfo.mode_capabilities2 & PgVM_MODE_CAP2_ALPHA_BLEND)==PgVM_MODE_CAP2_ALPHA_BLEND)
{
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didata->mode_2dcaps|=SDL_VIDEO_PHOTON_CAP_ALPHA_BLEND;
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}
if ((modeinfo.mode_capabilities2 & PgVM_MODE_CAP2_SCALED_BLIT)==PgVM_MODE_CAP2_SCALED_BLIT)
{
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didata->mode_2dcaps|=SDL_VIDEO_PHOTON_CAP_SCALED_BLIT;
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}
/* Setup current desktop mode for SDL */
SDL_zero(current_mode);
current_mode.w = modeinfo.width;
current_mode.h = modeinfo.height;
current_mode.refresh_rate = hwcaps.current_rrate;
current_mode.format = photon_image_to_sdl_pixelformat(modeinfo.type);
current_mode.driverdata = NULL;
/* Copy device name */
SDL_strlcpy(didata->description, hwcaps.chip_name,
SDL_VIDEO_PHOTON_DEVICENAME_MAX - 1);
/* Search device capabilities and possible workarounds */
jt = 0;
do {
if (photon_devicename[jt].name == NULL) {
break;
}
if (SDL_strncmp
(photon_devicename[jt].name, didata->description,
SDL_strlen(photon_devicename[jt].name)) == 0) {
didata->caps = photon_devicename[jt].caps;
}
jt++;
} while (1);
/* Initialize display structure */
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
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display.fullscreen_mode = current_mode;
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display.driverdata = didata;
didata->current_mode = current_mode;
SDL_AddVideoDisplay(&display);
/* 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 input devices */
status = photon_addinputdevices(_this);
if (status != 0) {
/* SDL error is set by photon_addinputdevices() function */
return -1;
}
/* Add photon renderer to SDL */
photon_addrenderdriver(_this);
/* video has been initialized successfully */
return 1;
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void
photon_videoquit(_THIS)
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SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
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;
if (didata->cursor != NULL) {
SDL_free(didata->cursor);
}
#if defined(SDL_VIDEO_OPENGL_ES)
if (phdata->gfinitialized == SDL_TRUE) {
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/* Detach GF display */
gf_display_detach(didata->display);
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}
#endif /* SDL_VIDEO_OPENGL_ES */
}
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void
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photon_getdisplaymodes(_THIS, SDL_VideoDisplay * display)
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SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
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SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
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SDL_DisplayMode mode;
PgVideoModes_t modes;
PgVideoModeInfo_t modeinfo;
int32_t status;
uint32_t it;
uint32_t jt;
/* Check if current device is not the same as target */
if (phdata->current_device_id != didata->device_id) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[didata->device_id]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
return;
}
phdata->current_device_id = didata->device_id;
}
/* Get array of available video modes */
status = PgGetVideoModeList(&modes);
if (status != 0) {
SDL_SetError("Photon: Can't get video mode list");
return;
}
for (it = 0; it < modes.num_modes; it++) {
status = PgGetVideoModeInfo(modes.modes[it], &modeinfo);
if (status != 0) {
/* Maybe something wrong with this particular mode, skip it */
continue;
}
jt = 0;
do {
if (modeinfo.refresh_rates[jt] != 0) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = photon_image_to_sdl_pixelformat(modeinfo.type);
mode.driverdata = NULL;
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SDL_AddDisplayMode(display, &mode);
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/* If mode is RGBA8888, add the same mode as RGBx888 */
if (modeinfo.type == Pg_IMAGE_DIRECT_8888) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = SDL_PIXELFORMAT_RGB888;
mode.driverdata = NULL;
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SDL_AddDisplayMode(display, &mode);
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}
/* If mode is RGBA1555, add the same mode as RGBx555 */
if (modeinfo.type == Pg_IMAGE_DIRECT_1555) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = SDL_PIXELFORMAT_RGB555;
mode.driverdata = NULL;
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SDL_AddDisplayMode(display, &mode);
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jt++;
} else {
break;
}
} while (1);
}
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int
598
photon_setdisplaymode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
600
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
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SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
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PgVideoModes_t modes;
PgVideoModeInfo_t modeinfo;
PgDisplaySettings_t modesettings;
uint32_t refresh_rate = 0;
int32_t status;
uint32_t it;
/* Check if current device is not the same as target */
if (phdata->current_device_id != didata->device_id) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[didata->device_id]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
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return -1;
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}
phdata->current_device_id = didata->device_id;
}
/* Get array of available video modes */
status = PgGetVideoModeList(&modes);
if (status != 0) {
SDL_SetError("Photon: Can't get video mode list");
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return -1;
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}
/* Current display dimension and bpp are no more valid */
didata->current_mode.format = SDL_PIXELFORMAT_UNKNOWN;
didata->current_mode.w = 0;
didata->current_mode.h = 0;
/* Check if custom refresh rate requested */
if (didata->custom_refresh != 0) {
refresh_rate = didata->custom_refresh;
} else {
refresh_rate = mode->refresh_rate;
}
/* Check if SDL GF driver needs to find appropriate refresh rate itself */
if (refresh_rate == 0) {
SDL_DisplayMode tempmode;
/* Clear display mode structure */
SDL_memset(&tempmode, 0x00, sizeof(SDL_DisplayMode));
tempmode.refresh_rate = 0x0000FFFF;
/* Check if window width and height matches one of our modes */
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for (it = 0; it < display->num_display_modes; it++) {
if ((display->display_modes[it].w == mode->w) &&
(display->display_modes[it].h == mode->h) &&
(display->display_modes[it].format == mode->format))
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/* Find the lowest refresh rate available */
if (tempmode.refresh_rate >
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display->display_modes[it].refresh_rate) {
tempmode = display->display_modes[it];
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}
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}
if (tempmode.refresh_rate != 0x0000FFFF) {
refresh_rate = tempmode.refresh_rate;
} else {
/* Let video driver decide what to do with this */
refresh_rate = 0;
}
}
/* Check if SDL GF driver needs to check custom refresh rate */
if (didata->custom_refresh != 0) {
SDL_DisplayMode tempmode;
/* Clear display mode structure */
SDL_memset(&tempmode, 0x00, sizeof(SDL_DisplayMode));
tempmode.refresh_rate = 0x0000FFFF;
/* Check if window width and height matches one of our modes */
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for (it = 0; it < display->num_display_modes; it++) {
if ((display->display_modes[it].w == mode->w) &&
(display->display_modes[it].h == mode->h) &&
(display->display_modes[it].format == mode->format))
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/* Find the lowest refresh rate available */
if (tempmode.refresh_rate >
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display->display_modes[it].refresh_rate) {
tempmode = display->display_modes[it];
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}
/* Check if requested refresh rate found */
if (refresh_rate ==
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display->display_modes[it].refresh_rate) {
tempmode = display->display_modes[it];
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break;
}
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}
if (tempmode.refresh_rate != 0x0000FFFF) {
refresh_rate = tempmode.refresh_rate;
} else {
/* Let video driver decide what to do with this */
refresh_rate = 0;
}
}
/* Find photon's video mode number */
for (it = 0; it < modes.num_modes; it++) {
uint32_t jt;
uint32_t foundrefresh;
/* Get current video mode details */
status = PgGetVideoModeInfo(modes.modes[it], &modeinfo);
if (status != 0) {
/* Maybe something wrong with this particular mode, skip it */
continue;
}
if ((modeinfo.width == mode->w) && (modeinfo.height == mode->h) &&
(modeinfo.type == photon_sdl_to_image_pixelformat(mode->format)))
{
/* Mode is found, find requested refresh rate, this case is for */
/* video drivers, which provide non-generic video modes. */
jt = 0;
foundrefresh = 0;
do {
if (modeinfo.refresh_rates[jt] != 0) {
if (modeinfo.refresh_rates[jt] == refresh_rate) {
foundrefresh = 1;
break;
}
jt++;
} else {
break;
}
} while (1);
if (foundrefresh != 0) {
break;
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}
}
/* Check if video mode has not been found */
if (it == modes.num_modes) {
SDL_SetError("Photon: Can't find appropriate video mode");
return -1;
}
/* Fill mode settings */
modesettings.flags = 0x00000000;
modesettings.mode = modes.modes[it];
modesettings.refresh = refresh_rate;
/* Finally set new video mode */
status = PgSetVideoMode(&modesettings);
if (status != 0) {
SDL_SetError("Photon: Can't set new video mode");
return -1;
}
/* Store new video mode parameters */
didata->current_mode = *mode;
didata->current_mode.refresh_rate = refresh_rate;
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/* Get current video mode 2D capabilities for the renderer */
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didata->mode_2dcaps=0;
if ((modeinfo.mode_capabilities2 & PgVM_MODE_CAP2_ALPHA_BLEND)==PgVM_MODE_CAP2_ALPHA_BLEND)
{
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didata->mode_2dcaps|=SDL_VIDEO_PHOTON_CAP_ALPHA_BLEND;
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}
if ((modeinfo.mode_capabilities2 & PgVM_MODE_CAP2_SCALED_BLIT)==PgVM_MODE_CAP2_SCALED_BLIT)
{
769
didata->mode_2dcaps|=SDL_VIDEO_PHOTON_CAP_SCALED_BLIT;
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return 0;
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int
photon_createwindow(_THIS, SDL_Window * window)
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SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata =
780
(SDL_DisplayData *) window->display->driverdata;
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SDL_WindowData *wdata;
PhDim_t winsize;
PhPoint_t winpos;
PtArg_t winargs[32];
uint32_t winargc = 0;
int32_t status;
PhRegion_t wregion;
/* 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;
/* Set initial window title */
if (window->title != NULL) {
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_TITLE, window->title, 0);
} else {
803
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_TITLE, "SDL unnamed application", 0);
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}
/* TODO: handle SDL_WINDOW_INPUT_GRABBED */
/* Disable default window filling on redraw */
PtSetArg(&winargs[winargc++], Pt_ARG_BASIC_FLAGS, Pt_TRUE,
Pt_BASIC_PREVENT_FILL);
/* Reset default managed flags to disabled state */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE,
Ph_WM_APP_DEF_MANAGED);
/* Set which events we will not handle, let WM to handle them */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE,
Ph_WM_BACKDROP | Ph_WM_TOFRONT | Ph_WM_COLLAPSE | Ph_WM_FFRONT |
Ph_WM_FOCUS | Ph_WM_HELP | Ph_WM_HIDE | Ph_WM_MAX |
Ph_WM_MENU | Ph_WM_MOVE | Ph_WM_RESTORE | Ph_WM_TASKBAR |
Ph_WM_TOBACK | Ph_WM_RESIZE);
/* Reset default notify events to disable */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_FALSE,
Ph_WM_RESIZE | Ph_WM_CLOSE | Ph_WM_HELP);
/* Set which events we will handle */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
Ph_WM_CLOSE | Ph_WM_COLLAPSE | Ph_WM_FOCUS | Ph_WM_MAX |
Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_RESTORE | Ph_WM_HIDE);
/* Borderless window can't be resizeable */
if ((window->flags & SDL_WINDOW_BORDERLESS) == SDL_WINDOW_BORDERLESS) {
window->flags &= ~(SDL_WINDOW_RESIZABLE);
}
/* Reset all default decorations */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE,
Ph_WM_APP_DEF_RENDER);
/* Fullscreen window has its own decorations */
if ((window->flags & SDL_WINDOW_FULLSCREEN) == SDL_WINDOW_FULLSCREEN) {
window->flags |= SDL_WINDOW_BORDERLESS;
window->flags &= ~(SDL_WINDOW_RESIZABLE);
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE,
Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_TITLE);
} else {
uint32_t decorations =
Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_MENU | Ph_WM_RENDER_MIN |
Ph_WM_RENDER_TITLE | Ph_WM_RENDER_MOVE;
if ((window->flags & SDL_WINDOW_RESIZABLE) == SDL_WINDOW_RESIZABLE) {
decorations |=
Ph_WM_RENDER_BORDER | Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX;
PtSetArg(&winargs[winargc++], Pt_ARG_RESIZE_FLAGS, Pt_TRUE,
Pt_RESIZE_XY_AS_REQUIRED);
}
if ((window->flags & SDL_WINDOW_BORDERLESS) != SDL_WINDOW_BORDERLESS) {
decorations |= Ph_WM_RENDER_BORDER;
}
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE,
decorations);
}
/* Set initial window state */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_STATE, Pt_FALSE,
Ph_WM_STATE_ISFOCUS);
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_STATE, Pt_TRUE,
Ph_WM_STATE_ISALTKEY);
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/* Special case, do not handle maximize events, if window can't be resized */
if ((window->flags & SDL_WINDOW_RESIZABLE) != SDL_WINDOW_RESIZABLE)
{
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE,
Ph_WM_MAX | Ph_WM_RESTORE | Ph_WM_RESIZE);
}
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/* Set window dimension */
winsize.w = window->w;
winsize.h = window->h;
PtSetArg(&winargs[winargc++], Pt_ARG_DIM, &winsize, 0);
/* Check if upper level requests WM to position window */
if ((window->x == SDL_WINDOWPOS_UNDEFINED)
&& (window->y == SDL_WINDOWPOS_UNDEFINED)) {
/* Do not set widget position, let WM to set it */
} else {
if (window->x == SDL_WINDOWPOS_UNDEFINED) {
window->x = 0;
}
if (window->y == SDL_WINDOWPOS_UNDEFINED) {
window->y = 0;
}
if (window->x == SDL_WINDOWPOS_CENTERED) {
window->x = (didata->current_mode.w - window->w) / 2;
}
if (window->y == SDL_WINDOWPOS_CENTERED) {
window->y = (didata->current_mode.h - window->h) / 2;
}
/* Now set window position */
winpos.x = window->x;
winpos.y = window->y;
PtSetArg(&winargs[winargc++], Pt_ARG_POS, &winpos, 0);
}
/* Check if window must support OpenGL ES rendering */
if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) {
#if defined(SDL_VIDEO_OPENGL_ES)
EGLBoolean initstatus;
/* Check if GF was initialized correctly */
if (phdata->gfinitialized == SDL_FALSE) {
SDL_SetError
("Photon: GF initialization failed, no OpenGL ES support");
914
return -1;
915
}
917
918
/* Mark this window as OpenGL ES compatible */
wdata->uses_gles = SDL_TRUE;
920
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925
/* Create connection to OpenGL ES */
if (phdata->egldisplay == EGL_NO_DISPLAY) {
phdata->egldisplay = eglGetDisplay(phdata->gfdev);
if (phdata->egldisplay == EGL_NO_DISPLAY) {
SDL_SetError("Photon: Can't get connection to OpenGL ES");
return -1;
926
927
928
}
/* Initialize OpenGL ES library, ignore EGL version */
929
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931
932
initstatus = eglInitialize(phdata->egldisplay, NULL, NULL);
if (initstatus != EGL_TRUE) {
SDL_SetError("Photon: Can't init OpenGL ES library");
return -1;
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}
/* Increment GL ES reference count usage */
phdata->egl_refcount++;
#else
SDL_SetError("Photon: OpenGL ES support is not compiled in");
return -1;
#endif /* SDL_VIDEO_OPENGL_ES */
}
/* Finally create the window */
wdata->window = PtCreateWidget(PtWindow, Pt_NO_PARENT, winargc, winargs);
if (wdata->window == NULL) {
SDL_SetError("Photon: Can't create window widget");
SDL_free(wdata);
return -1;
}
/* Show widget */
status = PtRealizeWidget(wdata->window);
if (status != 0) {
SDL_SetError("Photon: Can't realize window widget");
PtDestroyWidget(wdata->window);
SDL_free(wdata);
return;
}
/* Just created SDL window always gets focus */
window->flags |= SDL_WINDOW_INPUT_FOCUS;
/* Create window-specific cursor after creation */
if (didata->cursor_visible == SDL_TRUE) {
/* Setup cursor type. shape and default color */
PtSetResource(wdata->window, Pt_ARG_CURSOR_COLOR,
Ph_CURSOR_DEFAULT_COLOR, 0);
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
PtSetResource(wdata->window, Pt_ARG_BITMAP_CURSOR, didata->cursor,
didata->cursor->hdr.len + sizeof(PhRegionDataHdr_t));
} else {
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
}
/* Set window region sensible to mouse motion events */
status =
PhRegionQuery(PtWidgetRid(wdata->window), &wregion, NULL, NULL, 0);
if (status != 0) {
SDL_SetError
("Photon: Can't set region sensivity to mouse motion events");
PtDestroyWidget(wdata->window);
SDL_free(wdata);
return -1;
}
wregion.events_sense |=
Ph_EV_PTR_MOTION_BUTTON | Ph_EV_PTR_MOTION_NOBUTTON;
status = PhRegionChange(Ph_REGION_EV_SENSE, 0, &wregion, NULL, NULL);
if (status < 0) {
SDL_SetError("Photon: Can't change region sensivity");
PtDestroyWidget(wdata->window);
SDL_free(wdata);
return -1;
}
/* Flush all widget operations again */
PtFlush();
/* By default last created window got a input focus */
1000
SDL_SetKeyboardFocus(0, window);