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Diffstat (limited to 'src/gui/egl/qegl_p.h')
-rw-r--r-- | src/gui/egl/qegl_p.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h new file mode 100644 index 0000000000..37f4c2ae46 --- /dev/null +++ b/src/gui/egl/qegl_p.h @@ -0,0 +1,242 @@ +/**************************************************************************** +** +** 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 QtGui 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGL_P_H +#define QEGL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience of +// the QtOpenGL and QtOpenVG modules. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +QT_BEGIN_INCLUDE_NAMESPACE + +#ifndef QT_NO_EGL +#if defined(QT_OPENGL_ES_2) +# include <GLES2/gl2.h> +#endif + +#if defined(QT_GLES_EGL) +# include <GLES/egl.h> +#else +# include <EGL/egl.h> +#endif +#if !defined(EGL_VERSION_1_2) +typedef unsigned int EGLenum; +typedef void *EGLClientBuffer; +#endif +#else + +//types from egltypes.h for compiling stub without EGL headers +typedef int EGLBoolean; +typedef int EGLint; +typedef int EGLenum; +typedef int NativeDisplayType; +typedef void* NativeWindowType; +typedef void* NativePixmapType; +typedef int EGLDisplay; +typedef int EGLConfig; +typedef int EGLSurface; +typedef int EGLContext; +typedef int EGLClientBuffer; +#define EGL_NONE 0x3038 /* Attrib list terminator */ + +#endif + +#if defined(Q_WS_X11) +// If <EGL/egl.h> included <X11/Xlib.h>, then the global namespace +// may have been polluted with X #define's. The following makes sure +// the X11 headers were included properly and then cleans things up. +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#undef Bool +#undef Status +#undef None +#undef KeyPress +#undef KeyRelease +#undef FocusIn +#undef FocusOut +#undef Type +#undef FontChange +#undef CursorShape +#undef Unsorted +#undef GrayScale +#endif + +// Internally we use the EGL-prefixed native types which are used in EGL >= 1.3. +// For older versions of EGL, we have to define these types ourselves here: +#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED) +#undef EGLNativeWindowType +#undef EGLNativePixmapType +#undef EGLNativeDisplayType +typedef NativeWindowType EGLNativeWindowType; +typedef NativePixmapType EGLNativePixmapType; +typedef NativeDisplayType EGLNativeDisplayType; +#define QEGL_NATIVE_TYPES_DEFINED 1 +#endif + +QT_END_INCLUDE_NAMESPACE + +#include <QtGui/qpaintdevice.h> +#include <QFlags> + +QT_BEGIN_NAMESPACE + +#define QEGL_NO_CONFIG ((EGLConfig)-1) + +#ifndef EGLAPIENTRY +#define EGLAPIENTRY +#endif + +// Try to get some info to debug the symbian build failues: +#ifdef Q_OS_SYMBIAN + +#ifdef EGL_KHR_image +#warning "EGL_KHR_image is defined" +#else +#warning "EGL_KHR_image is NOT defined" +#endif + +#ifdef EGL_KHR_image_base +#warning "EGL_KHR_image_base is defined" +#else +#warning "EGL_KHR_image_base is NOT defined" +#endif + +#ifdef EGL_EGLEXT_PROTOTYPES +#warning "EGL_EGLEXT_PROTOTYPES is defined" +#else +#warning "EGL_EGLEXT_PROTOTYPES NOT not defined" +#endif + +#endif + + +// Declare/define the bits of EGL_KHR_image_base we need: +#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_base) +#ifdef Q_OS_SYMBIAN +//symbian version of eglext.h differs from the khronos reference +typedef int EGLImageKHR; +#else +typedef void *EGLImageKHR; +#endif + +#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0) +#define EGL_IMAGE_PRESERVED_KHR 0x30D2 +#define EGL_KHR_image_base +#endif + +#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_pixmap) +#define EGL_NATIVE_PIXMAP_KHR 0x30B0 +#define EGL_KHR_image_pixmap +#endif + + +class QEglProperties; + +namespace QEgl { + enum API + { + OpenGL, + OpenVG + }; + + enum PixelFormatMatch + { + ExactPixelFormat, + BestPixelFormat + }; + + enum ConfigOption + { + NoOptions = 0, + Translucent = 0x01, + Renderable = 0x02 // Config will be compatable with the paint engines (VG or GL) + }; + Q_DECLARE_FLAGS(ConfigOptions, ConfigOption) + + // Most of the time we use the same config for things like widgets & pixmaps, so rather than + // go through the eglChooseConfig loop every time, we use defaultConfig, which will return + // the config for a particular device/api/option combo. This function assumes that once a + // config is chosen for a particular combo, it's safe to always use that combo. + Q_GUI_EXPORT EGLConfig defaultConfig(int devType, API api, ConfigOptions options); + + Q_GUI_EXPORT EGLConfig chooseConfig(const QEglProperties* configAttribs, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat); + Q_GUI_EXPORT EGLSurface createSurface(QPaintDevice *device, EGLConfig cfg, const QEglProperties *surfaceAttribs = 0); + + Q_GUI_EXPORT void dumpAllConfigs(); + +#ifdef QT_NO_EGL + Q_GUI_EXPORT QString errorString(EGLint code = 0); +#else + Q_GUI_EXPORT QString errorString(EGLint code = eglGetError()); +#endif + + Q_GUI_EXPORT QString extensions(); + Q_GUI_EXPORT bool hasExtension(const char* extensionName); + + Q_GUI_EXPORT EGLDisplay display(); + + Q_GUI_EXPORT EGLNativeDisplayType nativeDisplay(); + Q_GUI_EXPORT EGLNativeWindowType nativeWindow(QWidget*); + Q_GUI_EXPORT EGLNativePixmapType nativePixmap(QPixmap*); + + // Extension functions + Q_GUI_EXPORT EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); + Q_GUI_EXPORT EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img); + Q_GUI_EXPORT EGLBoolean eglSwapBuffersRegion2NOK(EGLDisplay dpy, EGLSurface surface, EGLint count, const EGLint *rects); + +#ifdef Q_WS_X11 + Q_GUI_EXPORT VisualID getCompatibleVisualId(EGLConfig config); +#endif +} + +Q_DECLARE_OPERATORS_FOR_FLAGS(QEgl::ConfigOptions) + +QT_END_NAMESPACE + +#endif //QEGL_P_H |