summaryrefslogtreecommitdiffstats
path: root/src/opengl/qgl_symbian.cpp
blob: 1b41db47db66c3ac57510105c0a350a605180435 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/


#include "qgl.h"
#include <fbs.h>
#include <private/qt_s60_p.h>
#include <private/qpixmap_s60_p.h>
#include <private/qimagepixmapcleanuphooks_p.h>
#include <private/qgl_p.h>
#include <private/qpaintengine_opengl_p.h>
#include <private/qwidget_p.h> // to access QWExtra
#include <private/qnativeimagehandleprovider_p.h>
#include "qgl_egl_p.h"
#include "qpixmapdata_gl_p.h"
#include "qgltexturepool_p.h"
#include "qcolormap.h"
#include <QDebug>

QT_BEGIN_NAMESPACE

// Turn off "direct to window" rendering if EGL cannot support it.
#if !defined(EGL_RENDER_BUFFER) || !defined(EGL_SINGLE_BUFFER)
#if defined(QGL_DIRECT_TO_WINDOW)
#undef QGL_DIRECT_TO_WINDOW
#endif
#endif

// Determine if preserved window contents should be used.
#if !defined(EGL_SWAP_BEHAVIOR) || !defined(EGL_BUFFER_PRESERVED)
#if !defined(QGL_NO_PRESERVED_SWAP)
#define QGL_NO_PRESERVED_SWAP 1
#endif
#endif

extern int qt_gl_pixmap_serial;

/*
    QGLTemporaryContext implementation
*/


class QGLTemporaryContextPrivate
{
public:
    bool initialized;
    RWindow *window;
    EGLContext context;
    EGLSurface surface;
    EGLDisplay display;
};

QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *)
    : d(new QGLTemporaryContextPrivate)
{
    d->initialized = false;
    d->window = 0;
    d->context = 0;
    d->surface = 0;

    d->display = d->display = QEgl::display();

    EGLConfig config;
    int numConfigs = 0;
    EGLint attribs[] = {
        EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
#ifdef QT_OPENGL_ES_2
        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
#endif
        EGL_NONE
    };

    eglChooseConfig(d->display, attribs, &config, 1, &numConfigs);
    if (!numConfigs) {
        qWarning("QGLTemporaryContext: No EGL configurations available.");
        return;
    }

    d->window = new RWindow(CCoeEnv::Static()->WsSession());
    d->window->Construct(CCoeEnv::Static()->RootWin(),(uint)this);

    d->surface = eglCreateWindowSurface(d->display, config, (EGLNativeWindowType) d->window, NULL);

    if (d->surface == EGL_NO_SURFACE) {
        qWarning("QGLTemporaryContext: Error creating EGL surface.");
        delete d->window;
        d->window = 0;
        return;
    }

    EGLint contextAttribs[] = {
#ifdef QT_OPENGL_ES_2
        EGL_CONTEXT_CLIENT_VERSION, 2,
#endif
        EGL_NONE
    };
    d->context = eglCreateContext(d->display, config, 0, contextAttribs);
    if (d->context != EGL_NO_CONTEXT
        && eglMakeCurrent(d->display, d->surface, d->surface, d->context))
    {
        d->initialized = true;
    } else {
        qWarning("QGLTemporaryContext: Error creating EGL context.");
        d->window = 0;
        return;
    }
}

QGLTemporaryContext::~QGLTemporaryContext()
{
    if (d->initialized) {
        eglMakeCurrent(d->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
        eglDestroyContext(d->display, d->context);
        eglDestroySurface(d->display, d->surface);
        delete d->window;
    }
}

bool QGLFormat::hasOpenGLOverlays()
{
    return false;
}

// Chooses the EGL config and creates the EGL context
bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as in qgl_x11egl.cpp
{
    Q_D(QGLContext);

    if (!device())
        return false;

    int devType = device()->devType();

    if ((devType != QInternal::Widget) && (devType != QInternal::Pbuffer)) {
        qWarning("WARNING: Creating a QGLContext not supported on device type %d", devType);
        return false;
    }

    // Get the display and initialize it.
    if (d->eglContext == 0) {
        d->eglContext = new QEglContext();
        d->ownsEglContext = true;
        d->eglContext->setApi(QEgl::OpenGL);

	    // If the device is a widget with WA_TranslucentBackground set, make sure the glFormat
        // has the alpha channel option set:
        if (devType == QInternal::Widget) {
            QWidget* widget = static_cast<QWidget*>(device());
            if (widget->testAttribute(Qt::WA_TranslucentBackground))
                d->glFormat.setAlpha(true);
        }

        // Construct the configuration we need for this surface.
        QEglProperties configProps;
        configProps.setDeviceType(devType);
        configProps.setPaintDeviceFormat(device());
        configProps.setRenderableType(QEgl::OpenGL);
        configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_SWAP_BEHAVIOR_PRESERVED_BIT);

        qt_eglproperties_set_glformat(configProps, d->glFormat);

        if (!d->eglContext->chooseConfig(configProps, QEgl::BestPixelFormat)) {
            delete d->eglContext;
            d->eglContext = 0;
            return false;
        }

        // Create a new context for the configuration.
        QEglContext* eglSharedContext = shareContext ? shareContext->d_func()->eglContext : 0;
        if (!d->eglContext->createContext(eglSharedContext)) {
            delete d->eglContext;
            d->eglContext = 0;
            return false;
        }
        d->sharing = d->eglContext->isSharing();
        if (d->sharing && shareContext)
            const_cast<QGLContext *>(shareContext)->d_func()->sharing = true;
	}

    // Inform the higher layers about the actual format properties
    qt_glformat_from_eglconfig(d->glFormat, d->eglContext->config());

    // Do don't create the EGLSurface for everything.
    //    QWidget - yes, create the EGLSurface and store it in QGLContextPrivate::eglSurface
    //    QGLWidget - yes, create the EGLSurface and store it in QGLContextPrivate::eglSurface
    //    QGLPixelBuffer - no, it creates the surface itself and stores it in QGLPixelBufferPrivate::pbuf

    if (devType == QInternal::Widget) {
        if (d->eglSurface != EGL_NO_SURFACE)
            eglDestroySurface(d->eglContext->display(), d->eglSurface);

        d->eglSurface = QEgl::createSurface(device(), d->eglContext->config());

    eglGetError();  // Clear error state first.

#ifdef QGL_NO_PRESERVED_SWAP
    eglSurfaceAttrib(QEgl::display(), d->eglSurface,
            EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED);

    if (eglGetError() != EGL_SUCCESS)
        qWarning("QGLContext: could not enable destroyed swap behaviour");
#else
    eglSurfaceAttrib(QEgl::display(), d->eglSurface,
            EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);

    if (eglGetError() != EGL_SUCCESS)
        qWarning("QGLContext: could not enable preserved swap behaviour");
#endif

        setWindowCreated(true);
    }

    return true;
}

void QGLWidget::resizeEvent(QResizeEvent *)
{
    Q_D(QGLWidget);
    if (!isValid())
        return;

    if (QGLContext::currentContext())
        doneCurrent();

    // Symbian needs to recreate the surface on resize.
    d->recreateEglSurface();

    makeCurrent();
    if (!d->glcx->initialized())
        glInit();
    resizeGL(width(), height());
    //handle overlay
}

const QGLContext* QGLWidget::overlayContext() const
{
    return 0;
}

void QGLWidget::makeOverlayCurrent()
{
    //handle overlay
}

void QGLWidget::updateOverlayGL()
{
    //handle overlay
}

void QGLWidget::setContext(QGLContext *context, const QGLContext* shareContext, bool deleteOldContext)
{
    Q_D(QGLWidget);
    if (context == 0) {
        qWarning("QGLWidget::setContext: Cannot set null context");
        return;
    }
    if (!context->deviceIsPixmap() && context->device() != this) {
        qWarning("QGLWidget::setContext: Context must refer to this widget");
        return;
    }

    if (d->glcx)
        d->glcx->doneCurrent();
    QGLContext* oldcx = d->glcx;
    d->glcx = context;

    bool createFailed = false;
    if (!d->glcx->isValid()) {
        // Create the QGLContext here, which in turn chooses the EGL config
        // and creates the EGL context:
        if (!d->glcx->create(shareContext ? shareContext : oldcx))
            createFailed = true;
    }
    if (createFailed) {
        if (deleteOldContext)
            delete oldcx;
        return;
    }

    d->eglSurfaceWindowId = winId(); // Remember the window id we created the surface for
}

void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget* shareWidget)
{
    Q_Q(QGLWidget);

    initContext(context, shareWidget);

    if(q->isValid() && glcx->format().hasOverlay()) {
        //no overlay
        qWarning("QtOpenGL ES doesn't currently support overlays");
    }
}

void QGLWidgetPrivate::cleanupColormaps()
{
}

const QGLColormap & QGLWidget::colormap() const
{
    return d_func()->cmap;
}

void QGLWidget::setColormap(const QGLColormap &)
{
}

void QGLWidgetPrivate::recreateEglSurface()
{
    Q_Q(QGLWidget);

    WId currentId = q->winId();

    if (glcx->d_func()->eglSurface != EGL_NO_SURFACE) {
        eglDestroySurface(glcx->d_func()->eglContext->display(),
                                                glcx->d_func()->eglSurface);
    }

    glcx->d_func()->eglSurface = QEgl::createSurface(glcx->device(),
                                       glcx->d_func()->eglContext->config());

#if !defined(QGL_NO_PRESERVED_SWAP)
        eglGetError();  // Clear error state first.
        eglSurfaceAttrib(QEgl::display(), glcx->d_func()->eglSurface,
                                    EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
        if (eglGetError() != EGL_SUCCESS) {
            qWarning("QGLContext: could not enable preserved swap");
        }
#endif

    eglSurfaceWindowId = currentId;
}

static inline bool knownGoodFormat(QImage::Format format)
{
    switch (format) {
        case QImage::Format_RGB16: // EColor64K
        case QImage::Format_RGB32: // EColor16MU
        case QImage::Format_ARGB32_Premultiplied: // EColor16MAP
            return true;
        default:
            return false;
    }
}

void QGLPixmapData::fromNativeType(void* pixmap, NativeType type)
{
    if (type == QPixmapData::FbsBitmap) {
        CFbsBitmap *bitmap = reinterpret_cast<CFbsBitmap *>(pixmap);
        QSize size(bitmap->SizeInPixels().iWidth, bitmap->SizeInPixels().iHeight);
        if (size.width() == w && size.height() == h)
            setSerialNumber(++qt_gl_pixmap_serial);
        resize(size.width(), size.height());
        m_source = QVolatileImage(bitmap);
        if (pixelType() == BitmapType) {
            m_source.ensureFormat(QImage::Format_MonoLSB);
        } else if (!knownGoodFormat(m_source.format())) {
            m_source.beginDataAccess();
            QImage::Format format = idealFormat(m_source.imageRef(), Qt::AutoColor);
            m_source.endDataAccess(true);
            m_source.ensureFormat(format);
        }
        m_hasAlpha = m_source.hasAlphaChannel();
        m_hasFillColor = false;
        m_dirty = true;

    } else if (type == QPixmapData::VolatileImage && pixmap) {
        // Support QS60Style in more efficient skin graphics retrieval.
        QVolatileImage *img = static_cast<QVolatileImage *>(pixmap);
        if (img->width() == w && img->height() == h)
            setSerialNumber(++qt_gl_pixmap_serial);
        resize(img->width(), img->height());
        m_source = *img;
        m_hasAlpha = m_source.hasAlphaChannel();
        m_hasFillColor = false;
        m_dirty = true;
    } else if (type == QPixmapData::NativeImageHandleProvider && pixmap) {
        destroyTexture();
        nativeImageHandleProvider = static_cast<QNativeImageHandleProvider *>(pixmap);
        // Cannot defer the retrieval, we need at least the size right away.
        createFromNativeImageHandleProvider();
    }
}

void* QGLPixmapData::toNativeType(NativeType type)
{
    if (type == QPixmapData::FbsBitmap) {
        if (m_source.isNull())
            m_source = QVolatileImage(w, h, QImage::Format_ARGB32_Premultiplied);
        return m_source.duplicateNativeImage();
    }

    return 0;
}

bool QGLPixmapData::initFromNativeImageHandle(void *handle, const QString &type)
{
    if (type == QLatin1String("RSgImage")) {
        fromNativeType(handle, QPixmapData::SgImage);
        return true;
    } else if (type == QLatin1String("CFbsBitmap")) {
        fromNativeType(handle, QPixmapData::FbsBitmap);
        return true;
    }
    return false;
}

void QGLPixmapData::createFromNativeImageHandleProvider()
{
    void *handle = 0;
    QString type;
    nativeImageHandleProvider->get(&handle, &type);
    if (handle) {
        if (initFromNativeImageHandle(handle, type)) {
            nativeImageHandle = handle;
            nativeImageType = type;
        } else {
            qWarning("QGLPixmapData: Unknown native image type '%s'", qPrintable(type));
        }
    } else {
        qWarning("QGLPixmapData: Native handle is null");
    }
}

void QGLPixmapData::releaseNativeImageHandle()
{
    if (nativeImageHandleProvider && nativeImageHandle) {
        nativeImageHandleProvider->release(nativeImageHandle, nativeImageType);
        nativeImageHandle = 0;
        nativeImageType = QString();
    }
}

QT_END_NAMESPACE