src/video/pandora/SDL_pandora.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 17 Nov 2009 04:53:15 +0000
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Scott to slouken Heres the wiz patch and additional files. (I think I got everything)
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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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/* WIZ declarations */
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#include "GLES/gl.h"
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#ifdef WIZ_GLES_LITE
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static NativeWindowType hNativeWnd = 0; // A handle to the window we will create.
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#endif
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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 = 0;
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    device->current_display = 0;
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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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   138
    device->GL_DeleteContext = PND_gl_deletecontext;
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   139
    device->PumpEvents = PND_PumpEvents;
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   140
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    return device;
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}
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   143
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VideoBootStrap PND_bootstrap = {
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#ifdef WIZ_GLES_LITE
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    "wiz",
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    "SDL Wiz Video Driver",
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#else
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    "pandora",
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    "SDL Pandora Video Driver",
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#endif
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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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   164
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    SDL_zero(current_mode);
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#ifdef WIZ_GLES_LITE
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    current_mode.w = 320;
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    current_mode.h = 240;
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#else
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    current_mode.w = 800;
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    current_mode.h = 480;
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#endif
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    current_mode.refresh_rate = 60;
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    current_mode.format = SDL_PIXELFORMAT_RGB565;
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   175
    current_mode.driverdata = NULL;
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   176
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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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   181
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    SDL_AddVideoDisplay(&display);
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   183
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   184
    return 1;
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   185
}
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   186
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   187
void
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   188
PND_videoquit(_THIS)
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{
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   190
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   191
}
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   192
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   193
void
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   194
PND_getdisplaymodes(_THIS)
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   195
{
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   196
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   197
}
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   198
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   199
int
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   200
PND_setdisplaymode(_THIS, SDL_DisplayMode * mode)
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{
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   202
    return 0;
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   203
}
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   204
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   205
int
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   206
PND_setdisplaypalette(_THIS, SDL_Palette * palette)
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{
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   208
    SDL_DisplayData *didata =
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   209
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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   210
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   211
    /* Setting display palette operation has been failed */
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   212
    return -1;
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diff changeset
   213
}
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   214
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   215
int
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diff changeset
   216
PND_getdisplaypalette(_THIS, SDL_Palette * palette)
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   217
{
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   218
    SDL_DisplayData *didata =
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   219
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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   220
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   221
    /* Getting display palette operation has been failed */
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diff changeset
   222
    return -1;
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diff changeset
   223
}
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diff changeset
   224
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   225
int
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diff changeset
   226
PND_setdisplaygammaramp(_THIS, Uint16 * ramp)
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   227
{
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   228
    SDL_DisplayData *didata =
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   229
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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diff changeset
   230
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diff changeset
   231
    /* Setting display gamma ramp operation has been failed */
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diff changeset
   232
    return -1;
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diff changeset
   233
}
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diff changeset
   234
494559cc723b OpenPandora support added by David Carré
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   235
int
494559cc723b OpenPandora support added by David Carré
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diff changeset
   236
PND_getdisplaygammaramp(_THIS, Uint16 * ramp)
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diff changeset
   237
{
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diff changeset
   238
    /* Getting display gamma ramp operation has been failed */
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diff changeset
   239
    return -1;
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diff changeset
   240
}
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diff changeset
   241
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   242
int
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diff changeset
   243
PND_createwindow(_THIS, SDL_Window * window)
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diff changeset
   244
{
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diff changeset
   245
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
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diff changeset
   246
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diff changeset
   247
    SDL_WindowData *wdata;
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diff changeset
   248
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diff changeset
   249
    uint32_t winargc = 0;
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diff changeset
   250
    int32_t status;
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diff changeset
   251
494559cc723b OpenPandora support added by David Carré
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diff changeset
   252
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diff changeset
   253
    /* Allocate window internal data */
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diff changeset
   254
    wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
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diff changeset
   255
    if (wdata == NULL) {
494559cc723b OpenPandora support added by David Carré
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diff changeset
   256
        SDL_OutOfMemory();
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diff changeset
   257
        return -1;
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diff changeset
   258
    }
494559cc723b OpenPandora support added by David Carré
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diff changeset
   259
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diff changeset
   260
    /* Setup driver data for this window */
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diff changeset
   261
    window->driverdata = wdata;
494559cc723b OpenPandora support added by David Carré
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diff changeset
   262
494559cc723b OpenPandora support added by David Carré
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diff changeset
   263
    /* Check if window must support OpenGL ES rendering */
494559cc723b OpenPandora support added by David Carré
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diff changeset
   264
    if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) {
494559cc723b OpenPandora support added by David Carré
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diff changeset
   265
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diff changeset
   266
        EGLBoolean initstatus;
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   267
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   268
        /* Mark this window as OpenGL ES compatible */
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diff changeset
   269
        wdata->uses_gles = SDL_TRUE;
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   270
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   271
        /* Create connection to OpenGL ES */
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diff changeset
   272
        if (phdata->egl_display == EGL_NO_DISPLAY) {
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diff changeset
   273
            phdata->egl_display = eglGetDisplay((NativeDisplayType) 0);
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diff changeset
   274
            if (phdata->egl_display == EGL_NO_DISPLAY) {
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diff changeset
   275
                SDL_SetError("PND: Can't get connection to OpenGL ES");
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diff changeset
   276
                return -1;
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diff changeset
   277
            }
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diff changeset
   278
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   279
            initstatus = eglInitialize(phdata->egl_display, NULL, NULL);
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diff changeset
   280
            if (initstatus != EGL_TRUE) {
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diff changeset
   281
                SDL_SetError("PND: Can't init OpenGL ES library");
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diff changeset
   282
                return -1;
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diff changeset
   283
            }
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diff changeset
   284
        }
494559cc723b OpenPandora support added by David Carré
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   285
494559cc723b OpenPandora support added by David Carré
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   286
        phdata->egl_refcount++;
494559cc723b OpenPandora support added by David Carré
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diff changeset
   287
    }
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   288
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   289
    /* Window has been successfully created */
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   290
    return 0;
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   291
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   292
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   293
int
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   294
PND_createwindowfrom(_THIS, SDL_Window * window, const void *data)
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   295
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   296
    return -1;
494559cc723b OpenPandora support added by David Carré
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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
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parents:
diff changeset
   300
PND_setwindowtitle(_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
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parents:
diff changeset
   303
void
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   304
PND_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon)
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
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parents:
diff changeset
   307
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   308
PND_setwindowposition(_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
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parents:
diff changeset
   311
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   312
PND_setwindowsize(_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
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parents:
diff changeset
   314
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   315
void
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   316
PND_showwindow(_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
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parents:
diff changeset
   319
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   320
PND_hidewindow(_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
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parents:
diff changeset
   323
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
PND_raisewindow(_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
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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_maximizewindow(_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
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parents:
diff changeset
   330
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
PND_minimizewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   334
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
PND_restorewindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
{
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   338
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   340
PND_setwindowgrab(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
{
3238
96492d29034a David Carre to Sam
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parents: 3235
diff changeset
   342
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
96492d29034a David Carre to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3235
diff changeset
   343
    eglTerminate(phdata->egl_display);
3161
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   344
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   345
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
PND_destroywindow(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
{
3235
d35b649858e0 David Carre to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3161
diff changeset
   348
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
d35b649858e0 David Carre to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3161
diff changeset
   349
    eglTerminate(phdata->egl_display);
3161
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   350
}
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   351
494559cc723b OpenPandora support added by David Carré
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parents:
diff changeset
   352
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
/* SDL Window Manager function                                               */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
SDL_bool
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   356
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
   357
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   358
    if (info->version.major <= SDL_MAJOR_VERSION) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
        return SDL_TRUE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
        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
   362
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
        return SDL_FALSE;
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
    /* Failed to get window manager information */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
    return SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
/*****************************************************************************/
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
/* SDL OpenGL/OpenGL ES functions                                            */
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
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
PND_gl_loadlibrary(_THIS, const char *path)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
    /* 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
   379
    if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
        path = SDL_getenv("SDL_OPENGL_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
        if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
            path = SDL_getenv("SDL_OPENGLES_LIBRARY");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
        }
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
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
    /* Check if default library loading requested */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
    if (path == NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
        /* 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
   389
        /* functions, use Common profile of OpenGL ES library by default */
3438
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   390
#ifdef WIZ_GLES_LITE
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   391
	path = "/lib/libopengles_lite.so";
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   392
#else
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
        path = "/usr/lib/libGLES_CM.so";
3438
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   394
#endif
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
    /* Load dynamic library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
    _this->gl_config.dll_handle = SDL_LoadObject(path);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
    if (!_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
        /* Failed to load new GL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
        SDL_SetError("PND: Failed to locate OpenGL ES library");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
    /* Store OpenGL ES library path and name */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
    SDL_strlcpy(_this->gl_config.driver_path, path,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
                SDL_arraysize(_this->gl_config.driver_path));
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
    /* New OpenGL ES library is loaded */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
    return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
void *
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
PND_gl_getprocaddres(_THIS, const char *proc)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
    void *function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
    /* Try to get function address through the egl interface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
    function_address = eglGetProcAddress(proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
    if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
        return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
    /* 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
   426
    if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
        function_address =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
            SDL_LoadFunction(_this->gl_config.dll_handle, proc);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
        if (function_address != NULL) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
            return function_address;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
    }
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
    /* Failed to get GL ES function address pointer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
    SDL_SetError("PND: Cannot locate OpenGL ES function name");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
    return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
PND_gl_unloadlibrary(_THIS)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
    if (phdata->egl_initialized == SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
        /* Unload OpenGL ES library */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
        if (_this->gl_config.dll_handle) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
            SDL_UnloadObject(_this->gl_config.dll_handle);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
            _this->gl_config.dll_handle = 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
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
        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
   452
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
SDL_GLContext
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
PND_gl_createcontext(_THIS, SDL_Window * window)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
    SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
    SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
    int32_t gfstatus;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
    EGLint configs;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
    uint32_t attr_pos;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
    EGLint attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
    EGLint cit;
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
    /* Check if EGL was initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
        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
   472
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
    /* Prepare attributes list to pass them to OpenGL ES */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
    attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
    wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
    wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
    wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
    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
   481
    wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
    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
   483
    wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    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
   485
    wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
    /* Setup alpha size in bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
    if (_this->gl_config.alpha_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
        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
   490
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
    /* Setup color buffer size */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
    if (_this->gl_config.buffer_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
        wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
        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
   498
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
        wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
    /* Setup depth buffer bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    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
   506
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
    /* Setup stencil bits */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
    if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
        wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
        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
   511
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
        wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
        wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
    }
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
    /* Set number of samples in multisampling */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
    if (_this->gl_config.multisamplesamples) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
        wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
        wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
            _this->gl_config.multisamplesamples;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
    }
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
    /* 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
   524
    if (_this->gl_config.multisamplebuffers) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
        wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
        wdata->gles_attributes[attr_pos++] =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
            _this->gl_config.multisamplebuffers;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
    /* Finish attributes list */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
    wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
    /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
    status = eglChooseConfig(phdata->egl_display, wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
                             wdata->gles_configs, 1, &configs);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
    if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
        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
   538
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
    }
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
    /* 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
   542
    if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
        int32_t it;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
        int32_t jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
        GLint depthbits[4] = { 32, 24, 16, EGL_DONT_CARE };
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
        for (it = 0; it < 4; it++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
            for (jt = 16; jt >= 0; jt--) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
                /* 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
   550
                /* Replace previous set data with EGL_DONT_CARE       */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
                attr_pos = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
                wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
                wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
                wdata->gles_attributes[attr_pos++] = EGL_RED_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
                wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
                wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE;
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_ALPHA_SIZE;
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_BUFFER_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
                /* Try to find requested or smallest depth */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
                if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
                    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
                    wdata->gles_attributes[attr_pos++] = depthbits[it];
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
                } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
                    wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
                    wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
                }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
                if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
                    wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
                    wdata->gles_attributes[attr_pos++] = jt;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
                } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
                    wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
                    wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
                }
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
                wdata->gles_attributes[attr_pos++] = EGL_SAMPLES;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
                wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
                wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
                wdata->gles_attributes[attr_pos] = EGL_NONE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
                /* Request first suitable framebuffer configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
                status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
                    eglChooseConfig(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
                                    wdata->gles_attributes,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
                                    wdata->gles_configs, 1, &configs);
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
                if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
                    SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
                        ("PND: Can't find closest configuration for OpenGL ES");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
                    return NULL;
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
                if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
                    break;
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
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
            if (configs != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
                break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
        /* No available configs */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
        if (configs == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
            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
   611
            return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
    }
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
    /* Initialize config index */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
    wdata->gles_config = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
    /* Now check each configuration to find out the best */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
    for (cit = 0; cit < configs; cit++) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
        uint32_t stencil_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
        uint32_t depth_found;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
        stencil_found = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
        depth_found = 0;
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
        if (_this->gl_config.stencil_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
            status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
                eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
                                   wdata->gles_configs[cit], EGL_STENCIL_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
                                   &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
            if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
                if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
                    stencil_found = 1;
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
        } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
            stencil_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
        }
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
        if (_this->gl_config.depth_size) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
            status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
                eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
                                   wdata->gles_configs[cit], EGL_DEPTH_SIZE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
                                   &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
            if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
                if (attr_value != 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
                    depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
                }
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
        } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
            depth_found = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
        /* Exit from loop if found appropriate configuration */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
        if ((depth_found != 0) && (stencil_found != 0)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
            break;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
        }
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
    /* If best could not be found, use first */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    if (cit == configs) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
        cit = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
    wdata->gles_config = cit;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
    /* Create OpenGL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
    wdata->gles_context =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
        eglCreateContext(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
                         wdata->gles_configs[wdata->gles_config], NULL, NULL);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
    if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
        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
   672
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
3438
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   675
#ifdef WIZ_GLES_LITE
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   676
    if( !hNativeWnd ) {
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   677
	hNativeWnd = (NativeWindowType)malloc(16*1024);
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   678
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   679
	if(!hNativeWnd)
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   680
	    printf( "Error : Wiz framebuffer allocatation failed\n" ); 
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   681
	else
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   682
	    printf( "SDL13: Wiz framebuffer allocated: %X\n", hNativeWnd );
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   683
    }
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   684
    else {
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   685
	printf( "SDL13: Wiz framebuffer already allocated: %X\n", hNativeWnd );
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   686
    }
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   687
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   688
    wdata->gles_surface =
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   689
	eglCreateWindowSurface(phdata->egl_display, 
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   690
			       wdata->gles_configs[wdata->gles_config],
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   691
			       hNativeWnd, NULL );
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   692
#else
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
    wdata->gles_surface =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
        eglCreateWindowSurface(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
                               wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
                               (NativeWindowType) 0, NULL);
3438
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   697
#endif
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   698
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   699
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
    if (wdata->gles_surface == 0) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
        SDL_SetError("Error : eglCreateWindowSurface failed;\n");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
        return NULL;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
    /* Make just created context current */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
        eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
                       wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
    if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   710
        /* Destroy OpenGL ES surface */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
        eglDestroySurface(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   712
        eglDestroyContext(phdata->egl_display, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   713
        wdata->gles_context = EGL_NO_CONTEXT;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   714
        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
   715
        return NULL;
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
    _this->gl_config.accelerated = 1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
    /* 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
   721
    _this->gl_config.stereo = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   722
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   723
    /* Get back samples and samplebuffers configurations. Rest framebuffer */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   724
    /* parameters could be obtained through the OpenGL ES API              */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   725
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   726
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   727
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   728
                           EGL_SAMPLES, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   729
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   730
        _this->gl_config.multisamplesamples = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   731
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   732
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   733
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   734
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   735
                           EGL_SAMPLE_BUFFERS, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   736
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   737
        _this->gl_config.multisamplebuffers = attr_value;
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
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   740
    /* Get back stencil and depth buffer sizes */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   741
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   742
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   743
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   744
                           EGL_DEPTH_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   745
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   746
        _this->gl_config.depth_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   747
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   748
    status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   749
        eglGetConfigAttrib(phdata->egl_display,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   750
                           wdata->gles_configs[wdata->gles_config],
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   751
                           EGL_STENCIL_SIZE, &attr_value);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   752
    if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   753
        _this->gl_config.stencil_size = attr_value;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   754
    }
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
    /* 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
   757
    _this->gl_config.double_buffer = 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   759
    /* GL ES context was successfully created */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   760
    return wdata->gles_context;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   761
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   762
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   763
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   764
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
   765
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   766
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
    SDL_WindowData *wdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   770
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   771
        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
   772
        return -1;
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
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   775
    if ((window == NULL) && (context == NULL)) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   776
        status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   777
            eglMakeCurrent(phdata->egl_display, EGL_NO_SURFACE,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   778
                           EGL_NO_SURFACE, EGL_NO_CONTEXT);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   779
        if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   780
            /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   781
            SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   782
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   783
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   784
    } else {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   785
        wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   786
        if (wdata->gles_surface == EGL_NO_SURFACE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   787
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   788
                ("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
   789
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   790
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   791
        if (wdata->gles_context == EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   792
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   793
                ("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
   794
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   795
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   796
        if (wdata->gles_context != context) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   797
            SDL_SetError
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   798
                ("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
   799
            return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   800
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   801
        status =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
            eglMakeCurrent(phdata->egl_display, wdata->gles_surface,
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
                           wdata->gles_surface, wdata->gles_context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
        if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
            /* Failed to set current GL ES context */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
            SDL_SetError("PND: Can't set OpenGL ES context");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
            return -1;
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
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   810
    return 0;
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
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   813
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   814
PND_gl_setswapinterval(_THIS, int interval)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   816
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   819
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   820
        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
   821
        return -1;
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
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   824
    /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   825
    if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   826
        /* Set swap OpenGL ES interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   827
        status = eglSwapInterval(phdata->egl_display, interval);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   828
        if (status == EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   829
            /* Return success to upper level */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   830
            phdata->swapinterval = interval;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   831
            return 0;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   832
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   833
    }
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
    /* Failed to set swap interval */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   836
    SDL_SetError("PND: Cannot set swap interval");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   837
    return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   838
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   839
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   840
int
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   841
PND_gl_getswapinterval(_THIS)
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
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   844
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   846
        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
   847
        return -1;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   848
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   849
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   850
    /* Return default swap interval value */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   851
    return phdata->swapinterval;
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
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   855
PND_gl_swapwindow(_THIS, SDL_Window * window)
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
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   858
    SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   859
    SDL_DisplayData *didata =
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   860
        (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   861
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   862
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   863
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   864
        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
   865
        return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   866
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   867
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   868
    /* 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
   869
    glFinish();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   870
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   871
    /* Wait until OpenGL ES rendering is completed */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   872
    eglWaitGL();
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   873
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   874
    eglSwapBuffers(phdata->egl_display, wdata->gles_surface);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   875
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   876
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   877
void
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   878
PND_gl_deletecontext(_THIS, SDL_GLContext context)
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   879
{
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   880
    SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   881
    EGLBoolean status;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   882
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   883
    if (phdata->egl_initialized != SDL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   884
        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
   885
        return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   886
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   887
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   888
    /* Check if OpenGL ES connection has been initialized */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   889
    if (phdata->egl_display != EGL_NO_DISPLAY) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   890
        if (context != EGL_NO_CONTEXT) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   891
            status = eglDestroyContext(phdata->egl_display, context);
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   892
            if (status != EGL_TRUE) {
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   893
                /* Error during OpenGL ES context destroying */
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   894
                SDL_SetError("PND: OpenGL ES context destroy error");
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   895
                return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   896
            }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   897
        }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   898
    }
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   899
3438
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   900
#ifdef WIZ_GLES_LITE
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   901
    if( hNativeWnd != 0 )
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   902
    {
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   903
	  free(hNativeWnd);
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   904
	  hNativeWnd = 0;
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   905
	  printf( "SDL13: Wiz framebuffer released\n" );
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   906
    }
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   907
#endif
ca5663493497 Scott to slouken
Sam Lantinga <slouken@libsdl.org>
parents: 3238
diff changeset
   908
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   909
    return;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   910
}
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   911
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   912
/* vi: set ts=4 sw=4 expandtab: */