src/video/pandora/SDL_pandora.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 31 May 2009 11:53:12 +0000
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/*
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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,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    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
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    License along with this library; if not, write to the Free Software
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    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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    Open Pandora SDL driver
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    Copyright (C) 2009 David Carré
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    (cpasjuste@gmail.com)
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*/
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/* SDL internals */
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#include "SDL_config.h"
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#include "../SDL_sysvideo.h"
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#include "SDL_version.h"
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#include "SDL_syswm.h"
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#include "SDL_loadso.h"
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#include "SDL_events.h"
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#include "../../events/SDL_mouse_c.h"
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#include "../../events/SDL_keyboard_c.h"
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/* PND declarations */
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#include "SDL_pandora.h"
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#include "SDL_pandora_events.h"
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static SDL_bool PND_initialized = SDL_FALSE;
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static int
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PND_available(void)
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{
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    return 1;
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}
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static void
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PND_destroy(SDL_VideoDevice * device)
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{
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    SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata;
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    if (device->driverdata != NULL) {
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        device->driverdata = NULL;
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    }
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}
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static SDL_VideoDevice *
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PND_create()
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{
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    SDL_VideoDevice *device;
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    SDL_VideoData *phdata;
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    int status;
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    /* Check if pandora could be initialized */
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    status = PND_available();
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    if (status == 0) {
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        /* PND could not be used */
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        return NULL;
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    }
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    /* Initialize SDL_VideoDevice structure */
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    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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    if (device == NULL) {
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    /* Initialize internal Pandora specific data */
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    phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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    if (phdata == NULL) {
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        SDL_OutOfMemory();
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        SDL_free(device);
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        return NULL;
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    }
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    device->driverdata = phdata;
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    phdata->egl_initialized = SDL_TRUE;
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    /* Setup amount of available displays and current display */
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    device->num_displays = 1;
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    device->current_display = 1;
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    /* Set device free function */
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    device->free = PND_destroy;
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    /* Setup all functions which we can handle */
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    device->VideoInit = PND_videoinit;
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    device->VideoQuit = PND_videoquit;
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    device->GetDisplayModes = PND_getdisplaymodes;
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    device->SetDisplayMode = PND_setdisplaymode;
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    device->SetDisplayPalette = PND_setdisplaypalette;
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    device->GetDisplayPalette = PND_getdisplaypalette;
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    device->SetDisplayGammaRamp = PND_setdisplaygammaramp;
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    device->GetDisplayGammaRamp = PND_getdisplaygammaramp;
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    device->CreateWindow = PND_createwindow;
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    device->CreateWindowFrom = PND_createwindowfrom;
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    device->SetWindowTitle = PND_setwindowtitle;
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    device->SetWindowIcon = PND_setwindowicon;
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    device->SetWindowPosition = PND_setwindowposition;
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    device->SetWindowSize = PND_setwindowsize;
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    device->ShowWindow = PND_showwindow;
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    device->HideWindow = PND_hidewindow;
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    device->RaiseWindow = PND_raisewindow;
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    device->MaximizeWindow = PND_maximizewindow;
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    device->MinimizeWindow = PND_minimizewindow;
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    device->RestoreWindow = PND_restorewindow;
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    device->SetWindowGrab = PND_setwindowgrab;
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    device->DestroyWindow = PND_destroywindow;
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    device->GetWindowWMInfo = PND_getwindowwminfo;
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    device->GL_LoadLibrary = PND_gl_loadlibrary;
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    device->GL_GetProcAddress = PND_gl_getprocaddres;
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    device->GL_UnloadLibrary = PND_gl_unloadlibrary;
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    device->GL_CreateContext = PND_gl_createcontext;
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    device->GL_MakeCurrent = PND_gl_makecurrent;
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    device->GL_SetSwapInterval = PND_gl_setswapinterval;
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    device->GL_GetSwapInterval = PND_gl_getswapinterval;
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    device->GL_SwapWindow = PND_gl_swapwindow;
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    device->GL_DeleteContext = PND_gl_deletecontext;
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    device->PumpEvents = PND_PumpEvents;
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    return device;
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}
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VideoBootStrap PND_bootstrap = {
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    "pandora",
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    "SDL Pandora Video Driver",
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    PND_available,
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    PND_create
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};
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/*****************************************************************************/
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/* SDL Video and Display initialization/handling functions                   */
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/*****************************************************************************/
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int
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PND_videoinit(_THIS)
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{
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    SDL_VideoDisplay display;
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    SDL_DisplayMode current_mode;
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    SDL_zero(current_mode);
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    current_mode.w = 800;
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    current_mode.h = 480;
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    current_mode.refresh_rate = 60;
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    current_mode.format = SDL_PIXELFORMAT_RGB565;
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    current_mode.driverdata = NULL;
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    SDL_zero(display);
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    display.desktop_mode = current_mode;
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    display.current_mode = current_mode;
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    display.driverdata = NULL;
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    SDL_AddVideoDisplay(&display);
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   167
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    return 1;
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}
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void
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PND_videoquit(_THIS)
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{
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}
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void
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PND_getdisplaymodes(_THIS)
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{
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}
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int
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PND_setdisplaymode(_THIS, SDL_DisplayMode * mode)
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{
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    return 0;
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}
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int
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PND_setdisplaypalette(_THIS, SDL_Palette * palette)
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{
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    SDL_DisplayData *didata =
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        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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    /* Setting display palette operation has been failed */
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    return -1;
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}
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int
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PND_getdisplaypalette(_THIS, SDL_Palette * palette)
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{
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    SDL_DisplayData *didata =
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        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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    /* Getting display palette operation has been failed */
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    return -1;
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}
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int
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PND_setdisplaygammaramp(_THIS, Uint16 * ramp)
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{
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    SDL_DisplayData *didata =
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        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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    /* Setting display gamma ramp operation has been failed */
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    return -1;
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}
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   218
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int
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PND_getdisplaygammaramp(_THIS, Uint16 * ramp)
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{
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    /* Getting display gamma ramp operation has been failed */
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    return -1;
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}
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int
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PND_createwindow(_THIS, SDL_Window * window)
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{
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    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
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   230
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    SDL_WindowData *wdata;
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   232
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   233
    uint32_t winargc = 0;
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    int32_t status;
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   235
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   236
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   237
    /* Allocate window internal data */
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   238
    wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
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   239
    if (wdata == NULL) {
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   240
        SDL_OutOfMemory();
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   241
        return -1;
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   242
    }
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   243
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   244
    /* Setup driver data for this window */
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   245
    window->driverdata = wdata;
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   246
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   247
    /* Check if window must support OpenGL ES rendering */
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   248
    if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) {
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   249
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   250
        EGLBoolean initstatus;
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   251
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   252
        /* Mark this window as OpenGL ES compatible */
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   253
        wdata->uses_gles = SDL_TRUE;
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   254
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   255
        /* Create connection to OpenGL ES */
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   256
        if (phdata->egl_display == EGL_NO_DISPLAY) {
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   257
            phdata->egl_display = eglGetDisplay((NativeDisplayType) 0);
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   258
            if (phdata->egl_display == EGL_NO_DISPLAY) {
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   259
                SDL_SetError("PND: Can't get connection to OpenGL ES");
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   260
                return -1;
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   261
            }
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   262
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   263
            initstatus = eglInitialize(phdata->egl_display, NULL, NULL);
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   264
            if (initstatus != EGL_TRUE) {
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   265
                SDL_SetError("PND: Can't init OpenGL ES library");
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   266
                return -1;
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   267
            }
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   268
        }
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   269
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   270
        phdata->egl_refcount++;
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   271
    }
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   272
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   273
    /* Window has been successfully created */
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   274
    return 0;
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   275
}
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   276
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   277
int
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   278
PND_createwindowfrom(_THIS, SDL_Window * window, const void *data)
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   279
{
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    return -1;
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   281
}
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   282
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   283
void
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   284
PND_setwindowtitle(_THIS, SDL_Window * window)
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   285
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   286
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   287
void
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   288
PND_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   289
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   290
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
PND_setwindowposition(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   294
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   295
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
PND_setwindowsize(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   297
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   298
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   299
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   300
PND_showwindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   302
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   304
PND_hidewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   306
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   307
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   308
PND_raisewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   309
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   310
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   311
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   312
PND_maximizewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   313
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   314
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   315
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
PND_minimizewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   317
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   318
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   319
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   320
PND_restorewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   322
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   323
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
PND_setwindowgrab(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   325
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   326
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   327
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   328
PND_destroywindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   329
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   330
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
/* SDL Window Manager function                                               */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
SDL_bool
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
PND_getwindowwminfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
    if (info->version.major <= SDL_MAJOR_VERSION) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
        return SDL_TRUE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   340
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
        SDL_SetError("application not compiled with SDL %d.%d\n",
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   343
        return SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   344
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
    /* Failed to get window manager information */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
    return SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   349
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   351
/* SDL OpenGL/OpenGL ES functions                                            */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   352
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
PND_gl_loadlibrary(_THIS, const char *path)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   356
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   357
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   358
    /* Check if OpenGL ES library is specified for GF driver */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
    if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
        path = SDL_getenv("SDL_OPENGL_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
        if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
            path = SDL_getenv("SDL_OPENGLES_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
    /* Check if default library loading requested */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
    if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
        /* Already linked with GF library which provides egl* subset of  */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
        /* functions, use Common profile of OpenGL ES library by default */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
        path = "/usr/lib/libGLES_CM.so";
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   373
    /* Load dynamic library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
    _this->gl_config.dll_handle = SDL_LoadObject(path);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
    if (!_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
        /* Failed to load new GL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
        SDL_SetError("PND: Failed to locate OpenGL ES library");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
    /* Store OpenGL ES library path and name */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
    SDL_strlcpy(_this->gl_config.driver_path, path,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
                SDL_arraysize(_this->gl_config.driver_path));
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   384
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
    /* New OpenGL ES library is loaded */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
    return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
void *
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   390
PND_gl_getprocaddres(_THIS, const char *proc)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
    void *function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
    /* Try to get function address through the egl interface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
    function_address = eglGetProcAddress(proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
    if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
        return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
    /* Then try to get function in the OpenGL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
    if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
        function_address =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
            SDL_LoadFunction(_this->gl_config.dll_handle, proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
        if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
            return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
    /* Failed to get GL ES function address pointer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
    SDL_SetError("PND: Cannot locate OpenGL ES function name");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
    return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
PND_gl_unloadlibrary(_THIS)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
    if (phdata->egl_initialized == SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
        /* Unload OpenGL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
        if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
            SDL_UnloadObject(_this->gl_config.dll_handle);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
            _this->gl_config.dll_handle = NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
        SDL_SetError("PND: GF initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
SDL_GLContext
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
PND_gl_createcontext(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
    SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
    SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
    int32_t gfstatus;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
    EGLint configs;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
    uint32_t attr_pos;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
    EGLint attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
    EGLint cit;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
    /* Check if EGL was initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
        SDL_SetError("PND: EGL initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
    /* Prepare attributes list to pass them to OpenGL ES */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
    attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
    wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
    wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
    wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
    wdata->gles_attributes[attr_pos++] = _this->gl_config.red_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
    wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
    wdata->gles_attributes[attr_pos++] = _this->gl_config.green_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
    wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
    wdata->gles_attributes[attr_pos++] = _this->gl_config.blue_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
    wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
    /* Setup alpha size in bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
    if (_this->gl_config.alpha_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
        wdata->gles_attributes[attr_pos++] = _this->gl_config.alpha_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
    /* Setup color buffer size */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
    if (_this->gl_config.buffer_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
        wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
        wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
        wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
    /* Setup depth buffer bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
    wdata->gles_attributes[attr_pos++] = _this->gl_config.depth_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
    /* Setup stencil bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
        wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
        wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
        wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
    /* Set number of samples in multisampling */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
    if (_this->gl_config.multisamplesamples) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
        wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
        wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
            _this->gl_config.multisamplesamples;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
    /* Multisample buffers, OpenGL ES 1.0 spec defines 0 or 1 buffer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
    if (_this->gl_config.multisamplebuffers) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
        wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
        wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
            _this->gl_config.multisamplebuffers;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
    /* Finish attributes list */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
    wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
    /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
    status = eglChooseConfig(phdata->egl_display, wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
                             wdata->gles_configs, 1, &configs);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
    if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
        SDL_SetError("PND: Can't find closest configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
    /* Check if nothing has been found, try "don't care" settings */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
    if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
        int32_t it;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
        int32_t jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
        GLint depthbits[4] = { 32, 24, 16, EGL_DONT_CARE };
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
        for (it = 0; it < 4; it++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
            for (jt = 16; jt >= 0; jt--) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
                /* Don't care about color buffer bits, use what exist */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
                /* Replace previous set data with EGL_DONT_CARE       */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
                attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
                wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
                wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
                wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
                wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
                wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
                wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
                wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
                /* Try to find requested or smallest depth */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
                if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
                    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
                    wdata->gles_attributes[attr_pos++] = depthbits[it];
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
                } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
                    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
                    wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
                if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
                    wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
                    wdata->gles_attributes[attr_pos++] = jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
                } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
                    wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
                    wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
                wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
                wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
                wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
                /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
                status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
                    eglChooseConfig(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
                                    wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
                                    wdata->gles_configs, 1, &configs);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
                if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
                    SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
                        ("PND: Can't find closest configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
                    return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
                if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
                    break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
            if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
                break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
        /* No available configs */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
        if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
            SDL_SetError("PND: Can't find any configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
            return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    /* Initialize config index */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
    wdata->gles_config = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
    /* Now check each configuration to find out the best */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    for (cit = 0; cit < configs; cit++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
        uint32_t stencil_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
        uint32_t depth_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
        stencil_found = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
        depth_found = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
        if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
            status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
                eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
                                   wdata->gles_configs[cit], EGL_STENCIL_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
                                   &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
            if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
                if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
                    stencil_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
        } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
            stencil_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
        if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
            status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
                eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
                                   wdata->gles_configs[cit], EGL_DEPTH_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
                                   &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
            if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
                if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
                    depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   626
        } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
            depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
        /* Exit from loop if found appropriate configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        if ((depth_found != 0) && (stencil_found != 0)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
            break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
    /* If best could not be found, use first */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
    if (cit == configs) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
        cit = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
    wdata->gles_config = cit;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
    /* Create OpenGL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
    wdata->gles_context =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
        eglCreateContext(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
                         wdata->gles_configs[wdata->gles_config], NULL, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
    if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
        SDL_SetError("PND: OpenGL ES context creation has been failed");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
    wdata->gles_surface =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
        eglCreateWindowSurface(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
                               wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
                               (NativeWindowType) 0, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
    if (wdata->gles_surface == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
        SDL_SetError("Error : eglCreateWindowSurface failed;\n");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
    /* Make just created context current */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
        eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
                       wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
    if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
        /* Destroy OpenGL ES surface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
        eglDestroySurface(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
        eglDestroyContext(phdata->egl_display, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
        wdata->gles_context = EGL_NO_CONTEXT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
        SDL_SetError("PND: Can't set OpenGL ES context on creation");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
    _this->gl_config.accelerated = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
    /* Always clear stereo enable, since OpenGL ES do not supports stereo */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
    _this->gl_config.stereo = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
    /* Get back samples and samplebuffers configurations. Rest framebuffer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
    /* parameters could be obtained through the OpenGL ES API              */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
                           EGL_SAMPLES, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
        _this->gl_config.multisamplesamples = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   689
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
                           EGL_SAMPLE_BUFFERS, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
        _this->gl_config.multisamplebuffers = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
    /* Get back stencil and depth buffer sizes */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
                           EGL_DEPTH_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
        _this->gl_config.depth_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
                           EGL_STENCIL_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
        _this->gl_config.stencil_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   710
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
    /* Under PND OpenGL ES output can't be double buffered */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   712
    _this->gl_config.double_buffer = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   713
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   714
    /* GL ES context was successfully created */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
    return wdata->gles_context;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
PND_gl_makecurrent(_THIS, SDL_Window * window, SDL_GLContext context)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   721
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   722
    SDL_WindowData *wdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   723
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   724
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   725
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   726
        SDL_SetError("PND: GF initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   727
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   728
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   729
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   730
    if ((window == NULL) && (context == NULL)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   731
        status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   732
            eglMakeCurrent(phdata->egl_display, EGL_NO_SURFACE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   733
                           EGL_NO_SURFACE, EGL_NO_CONTEXT);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   734
        if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   735
            /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   736
            SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   737
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   738
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   739
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   740
        wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   741
        if (wdata->gles_surface == EGL_NO_SURFACE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   742
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   743
                ("PND: OpenGL ES surface is not initialized for this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   744
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   745
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   746
        if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   747
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   748
                ("PND: OpenGL ES context is not initialized for this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   749
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   750
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   751
        if (wdata->gles_context != context) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   752
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   753
                ("PND: OpenGL ES context is not belong to this window");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   754
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   755
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   756
        status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   757
            eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
                           wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   759
        if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   760
            /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   761
            SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   762
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   763
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   764
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   765
    return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   766
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
PND_gl_setswapinterval(_THIS, int interval)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   770
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   771
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   772
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   773
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   774
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   775
        SDL_SetError("PND: EGL initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   776
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   777
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   778
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   779
    /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   780
    if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   781
        /* Set swap OpenGL ES interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   782
        status = eglSwapInterval(phdata->egl_display, interval);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   783
        if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   784
            /* Return success to upper level */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   785
            phdata->swapinterval = interval;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   786
            return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   787
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   788
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   789
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   790
    /* Failed to set swap interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   791
    SDL_SetError("PND: Cannot set swap interval");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   792
    return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   793
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   794
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   795
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   796
PND_gl_getswapinterval(_THIS)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   797
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   798
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   799
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   800
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   801
        SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
    /* Return default swap interval value */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
    return phdata->swapinterval;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   808
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   809
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   810
PND_gl_swapwindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   811
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   812
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   813
    SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   814
    SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   816
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   819
        SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   820
        return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   821
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   822
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   823
    /* Many applications do not uses glFinish(), so we call it for them */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   824
    glFinish();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   825
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   826
    /* Wait until OpenGL ES rendering is completed */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   827
    eglWaitGL();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   828
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   829
    eglSwapBuffers(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   830
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   831
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   832
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   833
PND_gl_deletecontext(_THIS, SDL_GLContext context)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   834
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   835
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   836
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   837
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   838
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   839
        SDL_SetError("PND: GLES initialization failed, no OpenGL ES support");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   840
        return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   841
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   842
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   843
    /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   844
    if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
        if (context != EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   846
            status = eglDestroyContext(phdata->egl_display, context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   847
            if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   848
                /* Error during OpenGL ES context destroying */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   849
                SDL_SetError("PND: OpenGL ES context destroy error");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   850
                return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   851
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   852
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   853
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   854
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   855
    return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   856
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   857
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   858
/* vi: set ts=4 sw=4 expandtab: */