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SDL_qnxgf.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
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slouken@libsdl.org
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QNX Graphics Framework SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
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*/
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#include "SDL_config.h"
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#include "../SDL_sysvideo.h"
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#include "SDL_version.h"
#include "SDL_syswm.h"
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#include "SDL_loadso.h"
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/* Include QNX Graphics Framework declarations */
#include <gf/gf.h>
#include "SDL_qnxgf.h"
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#include "SDL_gf_render.h"
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#include "SDL_gf_pixelfmt.h"
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#include "SDL_gf_opengles.h"
#include "SDL_gf_input.h"
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/******************************************************************************/
/* SDL Generic video modes, which could provide GF */
/* This is real pain in the ass. GF is just wrapper around a selected driver */
/* some drivers could support double scan modes, like 320x200, 512x384, etc */
/* but some drivers are not. Later we can distinguish one driver from another */
/* Feel free to add any new custom graphics mode */
/******************************************************************************/
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static const SDL_DisplayMode generic_mode[] = {
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{0, 320, 200, 70, NULL}, /* 320x200 modes are 70Hz and 85Hz */
{0, 320, 200, 85, NULL},
{0, 320, 240, 70, NULL}, /* 320x240 modes are 70Hz and 85Hz */
{0, 320, 240, 85, NULL},
{0, 400, 300, 60, NULL}, /* 400x300 mode is 60Hz only */
{0, 480, 360, 60, NULL}, /* 480x360 mode is 60Hz only */
{0, 512, 384, 60, NULL}, /* 512x384 modes are 60Hz and 70Hz */
{0, 512, 384, 70, NULL},
{0, 640, 480, 60, NULL}, /* 640x480 modes are 60Hz, 75Hz, 85Hz */
{0, 640, 480, 75, NULL},
{0, 640, 480, 85, NULL},
{0, 800, 600, 60, NULL}, /* 800x600 modes are 60Hz, 75Hz, 85Hz */
{0, 800, 600, 75, NULL},
{0, 800, 600, 85, NULL},
{0, 800, 480, 60, NULL}, /* 800x480 mode is 60Hz only */
{0, 848, 480, 60, NULL}, /* 848x480 mode is 60Hz only */
{0, 960, 600, 60, NULL}, /* 960x600 mode is 60Hz only */
{0, 1024, 640, 60, NULL}, /* 1024x640 mode is 60Hz only */
{0, 1024, 768, 60, NULL}, /* 1024x768 modes are 60Hz, 70Hz, 75Hz */
{0, 1024, 768, 70, NULL},
{0, 1024, 768, 75, NULL},
{0, 1088, 612, 60, NULL}, /* 1088x612 mode is 60Hz only */
{0, 1152, 864, 60, NULL}, /* 1152x864 modes are 60Hz, 70Hz, 72Hz */
{0, 1152, 864, 70, NULL}, /* 75Hz and 85Hz */
{0, 1152, 864, 72, NULL},
{0, 1152, 864, 75, NULL},
{0, 1152, 864, 85, NULL},
{0, 1280, 720, 60, NULL}, /* 1280x720 mode is 60Hz only */
{0, 1280, 768, 60, NULL}, /* 1280x768 mode is 60Hz only */
{0, 1280, 800, 60, NULL}, /* 1280x800 mode is 60Hz only */
{0, 1280, 960, 60, NULL}, /* 1280x960 mode is 60Hz only */
{0, 1280, 1024, 60, NULL}, /* 1280x1024 modes are 60Hz, 75Hz, 85Hz and */
{0, 1280, 1024, 75, NULL}, /* 100 Hz */
{0, 1280, 1024, 85, NULL}, /* */
{0, 1280, 1024, 100, NULL}, /* */
{0, 1360, 768, 60, NULL}, /* 1360x768 mode is 60Hz only */
{0, 1400, 1050, 60, NULL}, /* 1400x1050 mode is 60Hz only */
{0, 1440, 900, 60, NULL}, /* 1440x900 mode is 60Hz only */
{0, 1440, 960, 60, NULL}, /* 1440x960 mode is 60Hz only */
{0, 1600, 900, 60, NULL}, /* 1600x900 mode is 60Hz only */
{0, 1600, 1024, 60, NULL}, /* 1600x1024 mode is 60Hz only */
{0, 1600, 1200, 60, NULL}, /* 1600x1200 mode is 60Hz only */
{0, 1680, 1050, 60, NULL}, /* 1680x1050 mode is 60Hz only */
{0, 1920, 1080, 60, NULL}, /* 1920x1080 mode is 60Hz only */
{0, 1920, 1200, 60, NULL}, /* 1920x1200 mode is 60Hz only */
{0, 1920, 1440, 60, NULL}, /* 1920x1440 mode is 60Hz only */
{0, 2048, 1536, 60, NULL}, /* 2048x1536 mode is 60Hz only */
{0, 2048, 1080, 60, NULL}, /* 2048x1080 mode is 60Hz only */
{0, 0, 0, 0, NULL} /* End of generic mode list */
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};
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/* Low level device graphics driver names, which they are reporting */
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static const GF_DeviceCaps gf_devicename[] = {
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/* ATI Rage 128 graphics driver (devg-ati_rage128) */
{"ati_rage128", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Fujitsu Carmine graphics driver (devg-carmine.so) */
{"carmine", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* C&T graphics driver (devg-chips.so) */
{"chips", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Fujitsu Coral graphics driver (devg-coral.so) */
{"coral", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Intel integrated graphics driver (devg-extreme2.so) */
{"extreme2", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Unaccelerated FB driver (devg-flat.so) */
{"flat", SDL_GF_UNACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_NOVIDEOMEMORY},
/* NS Geode graphics driver (devg-geode.so) */
{"geode", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Geode LX graphics driver (devg-geodelx.so) */
{"geodelx", SDL_GF_ACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Intel integrated graphics driver (devg-gma9xx.so) */
{"gma", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Intel integrated graphics driver (devg-i810.so) */
{"i810", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Intel integrated graphics driver (devg-i830.so) */
{"i830", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Geode LX graphics driver (devg-lx800.so) */
{"lx800", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Matrox Gxx graphics driver (devg-matroxg.so) */
{"matroxg", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Intel Poulsbo graphics driver (devg-poulsbo.so) */
{"poulsbo", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* ATI Radeon driver (devg-radeon.so) */
{"radeon", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* ATI Rage driver (devg-rage.so) */
{"rage", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* S3 Savage graphics driver (devg-s3_savage.so) */
{"s3_savage", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* SiS630 integrated graphics driver (devg-sis630.so) */
{"sis630", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* PowerVR SGX 535 graphics driver (devg-poulsbo.so) */
{"sgx", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_ACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* SM Voyager GX graphics driver (devg-smi5xx.so) */
{"smi5xx", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* Silicon Motion graphics driver (devg-smi7xx.so) */
{"smi7xx", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* SVGA unaccelerated gfx driver (devg-svga.so) */
{"svga", SDL_GF_UNACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_NOVIDEOMEMORY},
/* nVidia TNT graphics driver (devg-tnt.so) */
{"tnt", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* VIA integrated graphics driver (devg-tvia.so) */
{"tvia", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* VIA UniChrome graphics driver (devg-unichrome.so) */
{"unichrome", SDL_GF_ACCELERATED | SDL_GF_NOLOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* VESA unaccelerated gfx driver (devg-vesa.so) */
{"vesa", SDL_GF_UNACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_NOVIDEOMEMORY},
/* VmWare graphics driver (devg-volari.so) */
{"vmware", SDL_GF_ACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_NOVIDEOMEMORY},
/* XGI XP10 graphics driver (devg-volari.so) */
{"volari", SDL_GF_ACCELERATED | SDL_GF_LOWRESOLUTION |
SDL_GF_UNACCELERATED_3D | SDL_GF_VIDEOMEMORY},
/* End of list */
{NULL, 0x00000000}
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};
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/*****************************************************************************/
/* SDL Video Device initialization functions */
/*****************************************************************************/
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static int
qnxgf_available(void)
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{
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gf_dev_t gfdev;
gf_dev_info_t gfdev_info;
int status;
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/* Try to attach to graphics device driver */
status = gf_dev_attach(&gfdev, GF_DEVICE_INDEX(0), &gfdev_info);
if (status != GF_ERR_OK) {
return 0;
}
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/* Detach from graphics device driver for now */
gf_dev_detach(gfdev);
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return 1;
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}
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static void
qnxgf_destroy(SDL_VideoDevice * device)
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{
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SDL_VideoData *gfdata = (SDL_VideoData *) device->driverdata;
/* Detach from graphics device driver, if it was initialized */
if (gfdata->gfinitialized != SDL_FALSE) {
gf_dev_detach(gfdata->gfdev);
gfdata->gfdev = NULL;
}
if (device->driverdata != NULL) {
device->driverdata = NULL;
}
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}
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static SDL_VideoDevice *
qnxgf_create(int devindex)
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{
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SDL_VideoDevice *device;
SDL_VideoData *gfdata;
int status;
/* Initialize SDL_VideoDevice structure */
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
if (device == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* Initialize internal GF specific data */
gfdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
if (gfdata == NULL) {
SDL_OutOfMemory();
SDL_free(device);
return NULL;
}
device->driverdata = gfdata;
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/* By default GF is not initialized */
gfdata->gfinitialized = SDL_FALSE;
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/* Try to attach to graphics device driver */
status =
gf_dev_attach(&gfdata->gfdev, GF_DEVICE_INDEX(devindex),
&gfdata->gfdev_info);
if (status != GF_ERR_OK) {
SDL_OutOfMemory();
SDL_free(gfdata);
SDL_free(device);
return NULL;
}
if (gfdata->gfdev_info.description == NULL) {
gf_dev_detach(gfdata->gfdev);
SDL_SetError("GF: Failed to initialize graphics driver");
return NULL;
}
/* Setup amount of available displays and current display */
device->num_displays = 0;
device->current_display = 0;
/* Setup device shutdown function */
gfdata->gfinitialized = SDL_TRUE;
device->free = qnxgf_destroy;
/* Setup all functions which we can handle */
device->VideoInit = qnxgf_videoinit;
device->VideoQuit = qnxgf_videoquit;
device->GetDisplayModes = qnxgf_getdisplaymodes;
device->SetDisplayMode = qnxgf_setdisplaymode;
device->SetDisplayPalette = qnxgf_setdisplaypalette;
device->GetDisplayPalette = qnxgf_getdisplaypalette;
device->SetDisplayGammaRamp = qnxgf_setdisplaygammaramp;
device->GetDisplayGammaRamp = qnxgf_getdisplaygammaramp;
device->CreateWindow = qnxgf_createwindow;
device->CreateWindowFrom = qnxgf_createwindowfrom;
device->SetWindowTitle = qnxgf_setwindowtitle;
device->SetWindowIcon = qnxgf_setwindowicon;
device->SetWindowPosition = qnxgf_setwindowposition;
device->SetWindowSize = qnxgf_setwindowsize;
device->ShowWindow = qnxgf_showwindow;
device->HideWindow = qnxgf_hidewindow;
device->RaiseWindow = qnxgf_raisewindow;
device->MaximizeWindow = qnxgf_maximizewindow;
device->MinimizeWindow = qnxgf_minimizewindow;
device->RestoreWindow = qnxgf_restorewindow;
device->SetWindowGrab = qnxgf_setwindowgrab;
device->DestroyWindow = qnxgf_destroywindow;
device->GetWindowWMInfo = qnxgf_getwindowwminfo;
device->GL_LoadLibrary = qnxgf_gl_loadlibrary;
device->GL_GetProcAddress = qnxgf_gl_getprocaddres;
device->GL_UnloadLibrary = qnxgf_gl_unloadlibrary;
device->GL_CreateContext = qnxgf_gl_createcontext;
device->GL_MakeCurrent = qnxgf_gl_makecurrent;
device->GL_SetSwapInterval = qnxgf_gl_setswapinterval;
device->GL_GetSwapInterval = qnxgf_gl_getswapinterval;
device->GL_SwapWindow = qnxgf_gl_swapwindow;
device->GL_DeleteContext = qnxgf_gl_deletecontext;
device->PumpEvents = qnxgf_pumpevents;
device->SuspendScreenSaver = qnxgf_suspendscreensaver;
return device;
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}
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VideoBootStrap qnxgf_bootstrap = {
"qnxgf",
"SDL QNX Graphics Framework (GF) video driver",
qnxgf_available,
qnxgf_create
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};
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/*****************************************************************************/
/* SDL Video and Display initialization/handling functions */
/*****************************************************************************/
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int
qnxgf_videoinit(_THIS)
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{
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SDL_VideoData *gfdata = (SDL_VideoData *) _this->driverdata;
uint32_t it;
uint32_t jt;
char *override;
int32_t status;
/* By default GF uses buffer swap on vsync */
gfdata->swapinterval = 1;
/* Add each detected output to SDL */
for (it = 0; it < gfdata->gfdev_info.ndisplays; it++) {
SDL_VideoDisplay display;
SDL_DisplayMode current_mode;
SDL_DisplayData *didata;
didata = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (didata == NULL) {
/* memory allocation problem */
SDL_OutOfMemory();
return -1;
}
/* Set default cursor settings, maximum 128x128 cursor */
didata->cursor_visible = SDL_FALSE;
didata->cursor.type = GF_CURSOR_BITMAP;
didata->cursor.hotspot.x = 0;
didata->cursor.hotspot.y = 0;
didata->cursor.cursor.bitmap.w = SDL_VIDEO_GF_MAX_CURSOR_SIZE;
didata->cursor.cursor.bitmap.h = SDL_VIDEO_GF_MAX_CURSOR_SIZE;
didata->cursor.cursor.bitmap.stride =
(didata->cursor.cursor.bitmap.w + 7) / (sizeof(uint8_t) * 8);
didata->cursor.cursor.bitmap.color0 = 0x00000000;
didata->cursor.cursor.bitmap.color1 = 0x00000000;
didata->cursor.cursor.bitmap.image0 =
SDL_calloc(sizeof(uint8_t),
(didata->cursor.cursor.bitmap.w +
7) * didata->cursor.cursor.bitmap.h /
(sizeof(uint8_t) * 8));
if (didata->cursor.cursor.bitmap.image0 == NULL) {
SDL_free(didata);
SDL_OutOfMemory();
return -1;
}
didata->cursor.cursor.bitmap.image1 =
SDL_calloc(sizeof(uint8_t),
(didata->cursor.cursor.bitmap.w +
7) * didata->cursor.cursor.bitmap.h /
(sizeof(uint8_t) * 8));
if (didata->cursor.cursor.bitmap.image1 == NULL) {
SDL_OutOfMemory();
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free(didata);
return -1;
}
/* Query current display settings */
status = gf_display_query(gfdata->gfdev, it, &didata->display_info);
if (status == GF_ERR_OK) {
SDL_zero(current_mode);
current_mode.w = didata->display_info.xres;
current_mode.h = didata->display_info.yres;
current_mode.refresh_rate = didata->display_info.refresh;
current_mode.format =
qnxgf_gf_to_sdl_pixelformat(didata->display_info.format);
current_mode.driverdata = NULL;
} else {
/* video initialization problem */
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
SDL_free(didata);
SDL_SetError("GF: Display query failed");
return -1;
}
/* Attach GF to selected display */
status = gf_display_attach(&didata->display, gfdata->gfdev, it, NULL);
if (status != GF_ERR_OK) {
/* video initialization problem */
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
SDL_free(didata);
SDL_SetError("GF: Couldn't attach to display");
return -1;
}
/* Initialize status variables */
didata->layer_attached = SDL_FALSE;
/* Attach to main display layer */
status =
gf_layer_attach(&didata->layer, didata->display,
didata->display_info.main_layer_index, 0);
if (status != GF_ERR_OK) {
/* Failed to attach to main layer */
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
SDL_free(didata);
SDL_SetError
("GF: Couldn't attach to main layer, it could be busy");
return -1;
}
/* Mark main display layer is attached */
didata->layer_attached = SDL_TRUE;
/* Set layer source and destination viewport */
gf_layer_set_src_viewport(didata->layer, 0, 0, current_mode.w - 1,
current_mode.h - 1);
gf_layer_set_dst_viewport(didata->layer, 0, 0, current_mode.w - 1,
current_mode.h - 1);
/* Create main visible on display surface */
status = gf_surface_create_layer(&didata->surface[0], &didata->layer,
1, 0, current_mode.w, current_mode.h,
qnxgf_sdl_to_gf_pixelformat
(current_mode.format), NULL,
GF_SURFACE_CREATE_2D_ACCESSIBLE |
GF_SURFACE_CREATE_3D_ACCESSIBLE |
GF_SURFACE_CREATE_SHAREABLE);
if (status != GF_ERR_OK) {
gf_layer_disable(didata->layer);
gf_layer_detach(didata->layer);
didata->layer_attached = SDL_FALSE;
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
SDL_free(didata);
SDL_SetError("GF: Can't create main layer surface at init (%d)\n",
status);
return -1;
}
/* Set just created surface as main visible on the layer */
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// gf_layer_set_surfaces(didata->layer, &didata->surface[0], 1);
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/* Update layer parameters */
status = gf_layer_update(didata->layer, GF_LAYER_UPDATE_NO_WAIT_IDLE);
if (status != GF_ERR_OK) {
/* Free allocated surface */
gf_surface_free(didata->surface[0]);
didata->surface[0] = NULL;
/* Disable and detach from layer */
gf_layer_disable(didata->layer);
gf_layer_detach(didata->layer);
didata->layer_attached = SDL_FALSE;
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
SDL_free(didata);
SDL_SetError("GF: Can't update layer parameters\n");
return -1;
}
/* Enable layer in case if hardware supports layer enable/disable */
gf_layer_enable(didata->layer);
/* Copy device name for each display */
SDL_strlcpy(didata->description, gfdata->gfdev_info.description,
SDL_VIDEO_GF_DEVICENAME_MAX - 1);
/* Search device capabilities and possible workarounds */
jt = 0;
do {
if (gf_devicename[jt].name == NULL) {
break;
}
if (SDL_strncmp
(gf_devicename[jt].name, didata->description,
SDL_strlen(gf_devicename[jt].name)) == 0) {
didata->caps = gf_devicename[jt].caps;
}
jt++;
} while (1);
/* Initialize display structure */
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
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_GF_REFRESH_RATE");
if (override != NULL) {
if (SDL_sscanf(override, "%u", &didata->custom_refresh) != 1) {
didata->custom_refresh = 0;
}
}
/* Get all display modes for this display */
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qnxgf_getdisplaymodes(_this, display);
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}
/* Add GF renderer to SDL */
gf_addrenderdriver(_this);
/* Add GF input devices */
status = gf_addinputdevices(_this);
if (status != 0) {
/* SDL error is set by gf_addinputdevices() function */
return -1;
}
/* video has been initialized successfully */
return 1;
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}
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void
qnxgf_videoquit(_THIS)
544
{
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SDL_VideoData *gfdata = (SDL_VideoData *) _this->driverdata;
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SDL_DisplayData *didata = NULL;
uint32_t it;
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/* Check if GF was initialized before */
if ((gfdata == NULL) || (gfdata->gfinitialized != SDL_TRUE))
{
/* If not, do not deinitialize */
return;
}
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/* Stop collecting mouse events */
hiddi_disable_mouse();
/* Delete GF input devices */
gf_delinputdevices(_this);
/* SDL will restore old desktop mode on exit */
for (it = 0; it < _this->num_displays; it++) {
didata = _this->displays[it].driverdata;
/* Free cursor image */
if (didata->cursor.cursor.bitmap.image0 != NULL) {
SDL_free((void *) didata->cursor.cursor.bitmap.image0);
didata->cursor.cursor.bitmap.image0 = NULL;
}
if (didata->cursor.cursor.bitmap.image1 != NULL) {
SDL_free((void *) didata->cursor.cursor.bitmap.image1);
didata->cursor.cursor.bitmap.image1 = NULL;
}
/* Free main surface */
if (didata->surface[0] != NULL) {
gf_surface_free(didata->surface[0]);
didata->surface[0] = NULL;
}
/* Free back surface */
if (didata->surface[1] != NULL) {
gf_surface_free(didata->surface[1]);
didata->surface[1] = NULL;
}
/* Free second back surface */
if (didata->surface[2] != NULL) {
gf_surface_free(didata->surface[2]);
didata->surface[2] = NULL;
}
/* Detach layer before quit */
if (didata->layer_attached == SDL_TRUE) {
/* Disable layer if hardware supports this */
gf_layer_disable(didata->layer);
/* Detach from layer, free it for others */
gf_layer_detach(didata->layer);
didata->layer = NULL;
/* Mark it as detached */
didata->layer_attached = SDL_FALSE;
}
/* Detach from selected display */
gf_display_detach(didata->display);
didata->display = NULL;
}
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}
612
void
613
qnxgf_getdisplaymodes(_THIS, SDL_VideoDisplay * display)
614
{
615
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
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SDL_DisplayMode mode;
gf_modeinfo_t modeinfo;
uint32_t it = 0;
uint32_t jt = 0;
uint32_t kt = 0;
int status;
do {
status = gf_display_query_mode(didata->display, it, &modeinfo);
if (status == GF_ERR_OK) {
/* Parsing current mode */
if ((modeinfo.flags & GF_MODE_GENERIC) == GF_MODE_GENERIC) {
/* This mode is generic, so we can add to SDL our resolutions */
/* Only pixel format is fixed, refresh rate could be any */
jt = 0;
do {
if (generic_mode[jt].w == 0) {
break;
}
/* Check if driver do not supports doublescan video modes */
if ((didata->caps & SDL_GF_LOWRESOLUTION) !=
SDL_GF_LOWRESOLUTION) {
if (generic_mode[jt].w < 640) {
jt++;
continue;
}
}
mode.w = generic_mode[jt].w;
mode.h = generic_mode[jt].h;
mode.refresh_rate = generic_mode[jt].refresh_rate;
mode.format =
qnxgf_gf_to_sdl_pixelformat(modeinfo.primary_format);
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 */
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if (modeinfo.primary_format == GF_FORMAT_BGRA8888) {
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mode.w = generic_mode[jt].w;
mode.h = generic_mode[jt].h;
mode.refresh_rate = generic_mode[jt].refresh_rate;
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 */
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if (modeinfo.primary_format == GF_FORMAT_PACK_ARGB1555) {
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mode.w = generic_mode[jt].w;
mode.h = generic_mode[jt].h;
mode.refresh_rate = generic_mode[jt].refresh_rate;
mode.format = SDL_PIXELFORMAT_RGB555;
mode.driverdata = NULL;
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SDL_AddDisplayMode(display, &mode);
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}
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jt++;
} while (1);
} else {
/* Add this display mode as is in case if it is non-generic */
/* But go through the each refresh rate, supported by gf */
jt = 0;
do {
if (modeinfo.refresh[jt] != 0) {
mode.w = modeinfo.xres;
mode.h = modeinfo.yres;
mode.refresh_rate = modeinfo.refresh[jt];
mode.format =
qnxgf_gf_to_sdl_pixelformat(modeinfo.
primary_format);
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 */
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if (modeinfo.primary_format == GF_FORMAT_BGRA8888) {
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mode.w = modeinfo.xres;
mode.h = modeinfo.yres;
mode.refresh_rate = modeinfo.refresh[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 */
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if (modeinfo.primary_format ==
GF_FORMAT_PACK_ARGB1555) {
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mode.w = modeinfo.xres;
mode.h = modeinfo.yres;
mode.refresh_rate = modeinfo.refresh[jt];
mode.format = SDL_PIXELFORMAT_RGB555;
mode.driverdata = NULL;
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SDL_AddDisplayMode(display, &mode);
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}
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jt++;
} else {
break;
}
} while (1);
}
} else {
if (status == GF_ERR_PARM) {
/* out of available modes, all are listed */
break;
}
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/* Error occured during mode listing */
break;
}
it++;
} while (1);
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}
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int
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qnxgf_setdisplaymode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
730
{
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SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
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uint32_t refresh_rate = 0;
int status;
/* Current display dimensions 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) {
uint32_t it;
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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{
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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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}
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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) {
uint32_t it;
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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{
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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;
}
804
}
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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;
}
}
/* Free main surface */
if (didata->surface[0] != NULL) {
gf_surface_free(didata->surface[0]);
didata->surface[0] = NULL;
}
/* Free back surface */
if (didata->surface[1] != NULL) {
gf_surface_free(didata->surface[1]);
didata->surface[1] = NULL;
}
/* Free second back surface */
if (didata->surface[2] != NULL) {
gf_surface_free(didata->surface[2]);
didata->surface[2] = NULL;
}
/* Detach layer before switch to new graphics mode */
if (didata->layer_attached == SDL_TRUE) {
/* Disable layer if hardware supports this */
gf_layer_disable(didata->layer);
/* Detach from layer, free it for others */
gf_layer_detach(didata->layer);
/* Mark it as detached */
didata->layer_attached = SDL_FALSE;
}
/* Set new display video mode */
status =
gf_display_set_mode(didata->display, mode->w, mode->h, refresh_rate,
qnxgf_sdl_to_gf_pixelformat(mode->format), 0);
if (status != GF_ERR_OK) {
/* Display mode/resolution switch has been failed */
SDL_SetError("GF: Mode is not supported by graphics driver");
return -1;
} else {
didata->current_mode = *mode;
didata->current_mode.refresh_rate = refresh_rate;
}
/* Attach to main display layer */
status =
gf_layer_attach(&didata->layer, didata->display,
didata->display_info.main_layer_index, 0);
if (status != GF_ERR_OK) {
SDL_SetError("GF: Couldn't attach to main layer, it could be busy");
/* Failed to attach to main displayable layer */
return -1;
}
/* Mark main display layer is attached */
didata->layer_attached = SDL_TRUE;
871
/* Set layer source and destination viewports */
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gf_layer_set_src_viewport(didata->layer, 0, 0, mode->w - 1, mode->h - 1);
gf_layer_set_dst_viewport(didata->layer, 0, 0, mode->w - 1, mode->h - 1);
/* Create main visible on display surface */
status =
gf_surface_create_layer(&didata->surface[0], &didata->layer, 1, 0,
mode->w, mode->h,
qnxgf_sdl_to_gf_pixelformat(mode->format),
NULL,
GF_SURFACE_CREATE_2D_ACCESSIBLE |
GF_SURFACE_CREATE_3D_ACCESSIBLE |
GF_SURFACE_CREATE_SHAREABLE);
if (status != GF_ERR_OK) {
gf_layer_disable(didata->layer);
gf_layer_detach(didata->layer);
didata->layer_attached = SDL_FALSE;
SDL_SetError
("GF: Can't create main layer surface at modeswitch (%d)\n",
status);
return -1;
}
/* Set just created surface as main visible on the layer */
gf_layer_set_surfaces(didata->layer, &didata->surface[0], 1);
/* Update layer parameters */
status = gf_layer_update(didata->layer, GF_LAYER_UPDATE_NO_WAIT_IDLE);
if (status != GF_ERR_OK) {
/* Free main surface */
gf_surface_free(didata->surface[0]);
didata->surface[0] = NULL;
/* Detach layer */
gf_layer_disable(didata->layer);
gf_layer_detach(didata->layer);
didata->layer_attached = SDL_FALSE;
SDL_SetError("GF: Can't update layer parameters\n");
return -1;
}
/* Restore cursor if it was visible */
if (didata->cursor_visible == SDL_TRUE) {
gf_cursor_set(didata->display, 0, &didata->cursor);
gf_cursor_enable(didata->display, 0);
}
/* Enable layer in case if hardware supports layer enable/disable */
gf_layer_enable(didata->layer);
return 0;
922
923
}
924
int
925
qnxgf_setdisplaypalette(_THIS, SDL_VideoDisplay * display, SDL_Palette * palette)
926
{
927
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
928
929
930
/* QNX GF doesn't have support for global palette changing, but we */
/* could store it for usage in future */
931
932
SDL_Unsupported();
933
return -1;
934
935
}
936
int
937
qnxgf_getdisplaypalette(_THIS, SDL_VideoDisplay * display, SDL_Palette * palette)
938
{
939
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
940
941
942
/* We can't provide current palette settings and looks like SDL */
/* do not call this function also, in such case this function returns -1 */
943
944
SDL_Unsupported();
945
return -1;
946
947
}
948
int
949
qnxgf_setdisplaygammaramp(_THIS, SDL_VideoDisplay * display, Uint16 * ramp)
950
{
951
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
952
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955
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961
962
963
964
int status;
/* Setup gamma ramp, for each color channel */
status =
gf_display_set_color_lut16(didata->display, (uint16_t *) ramp,
(uint16_t *) ramp + 256,
(uint16_t *) ramp + 512);
if (status != GF_ERR_OK) {
/* Setting display gamma ramp operation has been failed */
return -1;
}
return 0;
965
966
}
967
int
968
qnxgf_getdisplaygammaramp(_THIS, SDL_VideoDisplay * display, Uint16 * ramp)
969
{
970
971
/* TODO: We need to return previous gamma set */
/* Also we need some initial fake gamma to return */
972
973
SDL_Unsupported();
974
return -1;
975
976
}
977
978
int
qnxgf_createwindow(_THIS, SDL_Window * window)
979
{
980
SDL_VideoData *gfdata = (SDL_VideoData *) _this->driverdata;
981
SDL_VideoDisplay *display = window->display;
982
SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata;
983
984
985
986
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994
995
SDL_WindowData *wdata;
int32_t status;
/* QNX GF supports fullscreen window modes only */
if ((window->flags & SDL_WINDOW_FULLSCREEN) != SDL_WINDOW_FULLSCREEN) {
uint32_t it;
SDL_DisplayMode mode;
/* Clear display mode structure */
SDL_memset(&mode, 0x00, sizeof(SDL_DisplayMode));
mode.refresh_rate = 0x0000FFFF;
/* Check if window width and height matches one of our modes */
996
997
998
999
1000
for (it = 0; it < display->num_display_modes; it++) {
if ((display->display_modes[it].w == window->w) &&
(display->display_modes[it].h == window->h) &&
(display->display_modes[it].format ==
display->desktop_mode.format)) {