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-rw-r--r--src/gui/image/qpixmap.cpp20
-rw-r--r--src/gui/image/qpixmap.h4
-rw-r--r--src/gui/kernel/qeventdispatcher_mac.mm1
-rw-r--r--src/gui/widgets/qmenu_mac.mm14
-rw-r--r--src/opengl/opengl.pro2
-rw-r--r--src/opengl/qglbuffer.cpp454
-rw-r--r--src/opengl/qglbuffer.h124
-rw-r--r--src/opengl/qglextensions.cpp26
-rw-r--r--src/opengl/qglextensions_p.h30
9 files changed, 641 insertions, 34 deletions
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 5626485..fe03c93 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -1379,10 +1379,26 @@ void QPixmap::deref()
*/
/*!
- \fn bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags)
+ Replaces this pixmap's data with the given \a image using the specified
+ \a flags to control the conversion. The \a flags argument is a
+ bitwise-OR of the \l{Qt::ImageConversionFlags}. Passing 0 for \a
+ flags sets all the default options.
- Use the static fromImage() function instead.
+ Note: this function was part of Qt 3 support in Qt 4.6 and earlier.
+ It has been promoted to official API status in 4.7 to support updating
+ the pixmap's image without creating a new QPixmap as fromImage() would.
+
+ \sa fromImage()
+ \since 4.7
*/
+bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags)
+{
+ if (image.isNull() || !data)
+ *this = QPixmap::fromImage(image, flags);
+ else
+ data->fromImage(image, flags);
+ return !isNull();
+}
/*!
\fn QPixmap QPixmap::xForm(const QMatrix &matrix) const
diff --git a/src/gui/image/qpixmap.h b/src/gui/image/qpixmap.h
index 46363f0..180af3b 100644
--- a/src/gui/image/qpixmap.h
+++ b/src/gui/image/qpixmap.h
@@ -141,6 +141,8 @@ public:
bool save(const QString& fileName, const char* format = 0, int quality = -1) const;
bool save(QIODevice* device, const char* format = 0, int quality = -1) const;
+ bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor);
+
#if defined(Q_WS_WIN)
enum HBitmapFormat {
NoAlpha,
@@ -224,8 +226,6 @@ public:
QT3_SUPPORT QPixmap &operator=(const QImage &);
inline QT3_SUPPORT QImage convertToImage() const { return toImage(); }
QT3_SUPPORT bool convertFromImage(const QImage &, ColorMode mode);
- QT3_SUPPORT bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor)
- { (*this) = fromImage(img, flags); return !isNull(); }
inline QT3_SUPPORT operator QImage() const { return toImage(); }
inline QT3_SUPPORT QPixmap xForm(const QMatrix &matrix) const { return transformed(QTransform(matrix)); }
inline QT3_SUPPORT bool selfMask() const { return false; }
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index 2a1da41..c7d042d 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -579,7 +579,6 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
// [NSApp run], which is the normal code path for cocoa applications.
if (NSModalSession session = d->currentModalSession()) {
QBoolBlocker execGuard(d->currentExecIsNSAppRun, false);
-
while ([NSApp runModalSession:session] == NSRunContinuesResponse && !d->interrupt)
qt_mac_waitForMoreModalSessionEvents();
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index e335884..658a020 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -1988,20 +1988,6 @@ static QMenuBar *findMenubarForWindow(QWidget *w)
return mb;
}
-static void cancelAllMenuTracking()
-{
-#ifdef QT_MAC_USE_COCOA
- QMacCocoaAutoReleasePool pool;
- NSMenu *mainMenu = [NSApp mainMenu];
- [mainMenu cancelTracking];
- for (NSMenuItem *item in [mainMenu itemArray]) {
- if ([item submenu]) {
- [[item submenu] cancelTracking];
- }
- }
-#endif
-}
-
void qt_mac_clear_menubar()
{
if (QApplication::testAttribute(Qt::AA_MacPluginApplication))
diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro
index 69cfd30..7338534 100644
--- a/src/opengl/opengl.pro
+++ b/src/opengl/opengl.pro
@@ -26,6 +26,7 @@ HEADERS += qgl.h \
qglframebufferobject_p.h \
qglextensions_p.h \
qglpaintdevice_p.h \
+ qglbuffer.h \
SOURCES += qgl.cpp \
@@ -34,6 +35,7 @@ SOURCES += qgl.cpp \
qglframebufferobject.cpp \
qglextensions.cpp \
qglpaintdevice.cpp \
+ qglbuffer.cpp \
!contains(QT_CONFIG, opengles2) {
diff --git a/src/opengl/qglbuffer.cpp b/src/opengl/qglbuffer.cpp
new file mode 100644
index 0000000..62f6078
--- /dev/null
+++ b/src/opengl/qglbuffer.cpp
@@ -0,0 +1,454 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QtOpenGL/qgl.h>
+#include <QtOpenGL/private/qgl_p.h>
+#include <QtOpenGL/private/qglextensions_p.h>
+#include "qglbuffer.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+ \class QGLBuffer
+ \brief The QGLBuffer class provides functions for creating and managing GL buffer objects.
+ \since 4.7
+ \ingroup painting-3D
+
+ Buffer objects are created in the GL server so that the
+ client application can avoid uploading vertices, indices,
+ texture image data, etc every time they are needed.
+*/
+
+/*!
+ \enum QGLBuffer::Type
+ This enum defines the type of GL buffer object to create with QGLBuffer.
+
+ \value VertexBuffer Vertex buffer object for use when specifying
+ vertex arrays.
+ \value IndexBuffer Index buffer object for use with \c{glDrawElements()}.
+ \value PixelPackBuffer Pixel pack buffer object for reading pixel
+ data from the GL server (for example, with \c{glReadPixels()}).
+ Not supported under OpenGL/ES.
+ \value PixelUnpackBuffer Pixel unpack buffer object for writing pixel
+ data to the GL server (for example, with \c{glTexImage2D()}).
+ Not supported under OpenGL/ES.
+*/
+
+/*!
+ \enum QGLBuffer::UsagePattern
+ This enum defines the usage pattern of a QGLBuffer object.
+
+ \value StreamDraw The data will be set once and used a few times
+ for drawing operations. Under OpenGL/ES 1.1 this is identical
+ to StaticDraw.
+ \value StreamRead The data will be set once and used a few times
+ for reading data back from the GL server. Not supported
+ under OpenGL/ES.
+ \value StreamCopy The data will be set once and used a few times
+ for reading data back from the GL server for use in further
+ drawing operations. Not supported under OpenGL/ES.
+ \value StaticDraw The data will be set once and used many times
+ for drawing operations.
+ \value StaticRead The data will be set once and used many times
+ for reading data back from the GL server. Not supported
+ under OpenGL/ES.
+ \value StaticCopy The data will be set once and used many times
+ for reading data back from the GL server for use in further
+ drawing operations. Not supported under OpenGL/ES.
+ \value DynamicDraw The data will be modified repeatedly and used
+ many times for drawing operations.
+ \value DynamicRead The data will be modified repeatedly and used
+ many times for reading data back from the GL server.
+ Not supported under OpenGL/ES.
+ \value DynamicCopy The data will be modified repeatedly and used
+ many times for reading data back from the GL server for
+ use in further drawing operations. Not supported under OpenGL/ES.
+*/
+
+/*!
+ \enum QGLBuffer::Access
+ This enum defines the access mode for QGLBuffer::map().
+
+ \value ReadOnly The buffer will be mapped for reading only.
+ \value WriteOnly The buffer will be mapped for writing only.
+ \value ReadWrite The buffer will be mapped for reading and writing.
+*/
+
+class QGLBufferPrivate
+{
+public:
+ QGLBufferPrivate(QGLBuffer::Type t)
+ : type(t),
+ guard(0),
+ usagePattern(QGLBuffer::StaticDraw),
+ actualUsagePattern(QGLBuffer::StaticDraw)
+ {
+ }
+
+ QGLBuffer::Type type;
+ QGLSharedResourceGuard guard;
+ QGLBuffer::UsagePattern usagePattern;
+ QGLBuffer::UsagePattern actualUsagePattern;
+};
+
+/*!
+ Constructs a new buffer object of \a type.
+
+ Note: this constructor just creates the QGLBuffer instance. The actual
+ buffer object in the GL server is not created until create() is called.
+
+ \sa create()
+*/
+QGLBuffer::QGLBuffer(QGLBuffer::Type type)
+ : d_ptr(new QGLBufferPrivate(type))
+{
+}
+
+#define ctx d->guard.context()
+
+/*!
+ Destroys this buffer object, including the storage being
+ used in the GL server.
+*/
+QGLBuffer::~QGLBuffer()
+{
+ Q_D(QGLBuffer);
+ GLuint bufferId = d->guard.id();
+ if (bufferId) {
+ // Switch to the original creating context to destroy it.
+ QGLShareContextScope scope(d->guard.context());
+ glDeleteBuffers(1, &bufferId);
+ }
+}
+
+/*!
+ Returns the type of buffer represented by this object.
+*/
+QGLBuffer::Type QGLBuffer::type() const
+{
+ Q_D(const QGLBuffer);
+ return d->type;
+}
+
+/*!
+ Returns the usage pattern for this buffer object.
+ The default value is StaticDraw.
+
+ \sa setUsagePattern()
+*/
+QGLBuffer::UsagePattern QGLBuffer::usagePattern() const
+{
+ Q_D(const QGLBuffer);
+ return d->usagePattern;
+}
+
+/*!
+ Sets the usage pattern for this buffer object to \a value.
+ This function must be called before allocate() or write().
+
+ \sa usagePattern(), allocate(), write()
+*/
+void QGLBuffer::setUsagePattern(QGLBuffer::UsagePattern value)
+{
+ Q_D(QGLBuffer);
+#if defined(QT_OPENGL_ES_1)
+ // OpenGL/ES 1.1 does not support GL_STREAM_DRAW, so use GL_STATIC_DRAW.
+ // OpenGL/ES 2.0 does support GL_STREAM_DRAW.
+ d->usagePattern = value;
+ if (value == StreamDraw)
+ d->actualUsagePattern = StaticDraw;
+ else
+ d->actualUsagePattern = value;
+#else
+ d->usagePattern = d->actualUsagePattern = value;
+#endif
+}
+
+#undef ctx
+
+/*!
+ Creates the buffer object in the GL server. Returns true if
+ the object was created; false otherwise.
+
+ This function must be called with a current QGLContext.
+ The buffer will be bound to and can only be used in
+ that context (or any other context that is shared with it).
+
+ This function will return false if the GL implementation
+ does not support buffers, or there is no current QGLContext.
+
+ \sa isCreated(), allocate(), write()
+*/
+bool QGLBuffer::create()
+{
+ Q_D(QGLBuffer);
+ if (d->guard.id())
+ return true;
+ const QGLContext *ctx = QGLContext::currentContext();
+ if (ctx) {
+ if (!qt_resolve_buffer_extensions(const_cast<QGLContext *>(ctx)))
+ return false;
+ GLuint bufferId = 0;
+ glGenBuffers(1, &bufferId);
+ if (bufferId) {
+ d->guard.setContext(ctx);
+ d->guard.setId(bufferId);
+ return true;
+ }
+ }
+ return false;
+}
+
+#define ctx d->guard.context()
+
+/*!
+ Returns true if this buffer has been created; false otherwise.
+
+ \sa create()
+*/
+bool QGLBuffer::isCreated() const
+{
+ Q_D(const QGLBuffer);
+ return d->guard.id() != 0;
+}
+
+/*!
+ Reads the \a count bytes in this buffer starting at \a offset
+ into \a data. Returns true on success; false if reading from
+ the buffer is not supported. Buffer reading is not supported
+ under OpenGL/ES.
+
+ It is assumed that this buffer has been bound to the current context.
+
+ \sa write(), bind()
+*/
+bool QGLBuffer::read(int offset, void *data, int count)
+{
+#if !defined(QT_OPENGL_ES)
+ Q_D(QGLBuffer);
+ if (!glGetBufferSubData || !d->guard.id())
+ return false;
+ while (glGetError() != GL_NO_ERROR) ; // Clear error state.
+ glGetBufferSubData(d->type, offset, count, data);
+ return glGetError() == GL_NO_ERROR;
+#else
+ Q_UNUSED(offset);
+ Q_UNUSED(data);
+ Q_UNUSED(size);
+ return false;
+#endif
+}
+
+/*!
+ Replaces the \a count bytes of this buffer starting at \a offset
+ with the contents of \a data. Any other bytes in the buffer
+ will be left unmodified.
+
+ It is assumed that create() has been called on this buffer and that
+ it has been bound to the current context.
+
+ \sa create(), read(), allocate()
+*/
+void QGLBuffer::write(int offset, const void *data, int count)
+{
+ Q_D(QGLBuffer);
+ if (d->guard.id())
+ glBufferSubData(d->type, offset, count, data);
+}
+
+/*!
+ Allocates \a count bytes of space to the buffer, initialized to
+ the contents of \a data. Any previous contents will be removed.
+
+ It is assumed that create() has been called on this buffer and that
+ it has been bound to the current context.
+
+ \sa create(), read(), write()
+*/
+void QGLBuffer::allocate(const void *data, int count)
+{
+ Q_D(QGLBuffer);
+ if (d->guard.id())
+ glBufferData(d->type, count, data, d->actualUsagePattern);
+}
+
+/*!
+ \fn void QGLBuffer::allocate(int count)
+ \overload
+
+ Allocates \a count bytes of space to the buffer. Any previous
+ contents will be removed.
+
+ It is assumed that create() has been called on this buffer and that
+ it has been bound to the current context.
+
+ \sa create(), write()
+*/
+
+/*!
+ Binds the buffer associated with this object to the current
+ GL context. Returns false if binding was not possible, usually because
+ type() is not supported on this GL implementation.
+
+ The buffer must be bound to the same QGLContext current when create()
+ was called, or to another QGLContext that is sharing with it.
+ Otherwise, false will be returned from this function.
+
+ \sa release(), create()
+*/
+bool QGLBuffer::bind() const
+{
+ Q_D(const QGLBuffer);
+ GLuint bufferId = d->guard.id();
+ if (bufferId) {
+ if (!QGLContext::areSharing(QGLContext::currentContext(),
+ d->guard.context())) {
+#ifndef QT_NO_DEBUG
+ qWarning("QGLBuffer::bind: buffer is not valid in the current context");
+#endif
+ return false;
+ }
+ glBindBuffer(d->type, bufferId);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+/*!
+ Releases the buffer associated with this object from the
+ current GL context.
+
+ This function must be called with the same QGLContext current
+ as when bind() was called on the buffer.
+
+ \sa bind()
+*/
+void QGLBuffer::release() const
+{
+ Q_D(const QGLBuffer);
+ if (d->guard.id())
+ glBindBuffer(d->type, 0);
+}
+
+/*!
+ Returns the GL identifier associated with this buffer; zero if
+ the buffer has not been created.
+
+ \sa isCreated()
+*/
+uint QGLBuffer::bufferId() const
+{
+ Q_D(const QGLBuffer);
+ return d->guard.id();
+}
+
+#ifndef GL_BUFFER_SIZE
+#define GL_BUFFER_SIZE 0x8764
+#endif
+
+/*!
+ Returns the size of the data in this buffer, for reading operations.
+ Returns -1 if fetching the buffer size is not supported, or the
+ buffer has not been created.
+
+ It is assumed that this buffer has been bound to the current context.
+
+ \sa isCreated(), bind()
+*/
+int QGLBuffer::size() const
+{
+ Q_D(const QGLBuffer);
+ if (!d->guard.id())
+ return -1;
+ GLint value = -1;
+ glGetBufferParameteriv(d->type, GL_BUFFER_SIZE, &value);
+ return value;
+}
+
+/*!
+ Maps the contents of this buffer into the application's memory
+ space and returns a pointer to it. Returns null if memory
+ mapping is not possible. The \a access parameter indicates the
+ type of access to be performed.
+
+ It is assumed that create() has been called on this buffer and that
+ it has been bound to the current context.
+
+ This function is only supported under OpenGL/ES if the
+ \c{GL_OES_mapbuffer} extension is present.
+
+ \sa unmap(), create(), bind()
+*/
+void *QGLBuffer::map(QGLBuffer::Access access)
+{
+ Q_D(QGLBuffer);
+ if (!d->guard.id())
+ return 0;
+ if (!glMapBufferARB)
+ return 0;
+ return glMapBufferARB(d->type, access);
+}
+
+/*!
+ Unmaps the buffer after it was mapped into the application's
+ memory space with a previous call to map(). Returns true if
+ the unmap succeeded; false otherwise.
+
+ It is assumed that this buffer has been bound to the current context,
+ and that it was previously mapped with map().
+
+ This function is only supported under OpenGL/ES if the
+ \c{GL_OES_mapbuffer} extension is present.
+
+ \sa map()
+*/
+bool QGLBuffer::unmap()
+{
+ Q_D(QGLBuffer);
+ if (!d->guard.id())
+ return false;
+ if (!glUnmapBufferARB)
+ return false;
+ return glUnmapBufferARB(d->type) == GL_TRUE;
+}
+
+QT_END_NAMESPACE
diff --git a/src/opengl/qglbuffer.h b/src/opengl/qglbuffer.h
new file mode 100644
index 0000000..ecb86e2
--- /dev/null
+++ b/src/opengl/qglbuffer.h
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGLBUFFER_H
+#define QGLBUFFER_H
+
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(OpenGL)
+
+class QGLBufferPrivate;
+
+class Q_OPENGL_EXPORT QGLBuffer
+{
+public:
+ enum Type
+ {
+ VertexBuffer = 0x8892, // GL_ARRAY_BUFFER
+ IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
+ PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER
+ PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER
+ };
+
+ explicit QGLBuffer(QGLBuffer::Type type);
+ ~QGLBuffer();
+
+ enum UsagePattern
+ {
+ StreamDraw = 0x88E0, // GL_STREAM_DRAW
+ StreamRead = 0x88E1, // GL_STREAM_READ
+ StreamCopy = 0x88E2, // GL_STREAM_COPY
+ StaticDraw = 0x88E4, // GL_STATIC_DRAW
+ StaticRead = 0x88E5, // GL_STATIC_READ
+ StaticCopy = 0x88E6, // GL_STATIC_COPY
+ DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
+ DynamicRead = 0x88E9, // GL_DYNAMIC_READ
+ DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
+ };
+
+ enum Access
+ {
+ ReadOnly = 0x88B8, // GL_READ_ONLY
+ WriteOnly = 0x88B9, // GL_WRITE_ONLY
+ ReadWrite = 0x88BA // GL_READ_WRITE
+ };
+
+ QGLBuffer::Type type() const;
+
+ QGLBuffer::UsagePattern usagePattern() const;
+ void setUsagePattern(QGLBuffer::UsagePattern value);
+
+ bool create();
+ bool isCreated() const;
+
+ bool bind() const;
+ void release() const;
+
+ uint bufferId() const;
+
+ int size() const;
+
+ bool read(int offset, void *data, int count);
+ void write(int offset, const void *data, int count);
+
+ void allocate(const void *data, int count);
+ inline void allocate(int count) { allocate(0, count); }
+
+ void *map(QGLBuffer::Access access);
+ bool unmap();
+
+private:
+ QScopedPointer<QGLBufferPrivate> d_ptr;
+
+ Q_DISABLE_COPY(QGLBuffer)
+ Q_DECLARE_PRIVATE(QGLBuffer)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp
index c091191..03fca39 100644
--- a/src/opengl/qglextensions.cpp
+++ b/src/opengl/qglextensions.cpp
@@ -191,31 +191,35 @@ bool qt_resolve_frag_program_extensions(QGLContext *ctx)
bool qt_resolve_buffer_extensions(QGLContext *ctx)
{
- if (glMapBufferARB && glUnmapBufferARB
-#if !defined(QT_OPENGL_ES_2)
- && glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData
-#endif
- )
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
+ if (glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData
+ && glBufferSubData && glGetBufferParameteriv)
return true;
+#endif
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
glBindBuffer = (_glBindBuffer) qt_gl_getProcAddressARB(ctx, "glBindBuffer");
glDeleteBuffers = (_glDeleteBuffers) qt_gl_getProcAddressARB(ctx, "glDeleteBuffers");
glGenBuffers = (_glGenBuffers) qt_gl_getProcAddressARB(ctx, "glGenBuffers");
glBufferData = (_glBufferData) qt_gl_getProcAddressARB(ctx, "glBufferData");
+ glBufferSubData = (_glBufferSubData) qt_gl_getProcAddressARB(ctx, "glBufferSubData");
+ glGetBufferSubData = (_glGetBufferSubData) qt_gl_getProcAddressARB(ctx, "glGetBufferSubData");
+ glGetBufferParameteriv = (_glGetBufferParameteriv) qt_gl_getProcAddressARB(ctx, "glGetBufferParameteriv");
#endif
glMapBufferARB = (_glMapBufferARB) qt_gl_getProcAddressARB(ctx, "glMapBuffer");
glUnmapBufferARB = (_glUnmapBufferARB) qt_gl_getProcAddressARB(ctx, "glUnmapBuffer");
- return glMapBufferARB
- && glUnmapBufferARB
-#if !defined(QT_OPENGL_ES_2)
- && glBindBuffer
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
+ return glBindBuffer
&& glDeleteBuffers
&& glGenBuffers
&& glBufferData
+ && glBufferSubData
+ && glGetBufferParameteriv;
+ // glGetBufferSubData() is optional
+#else
+ return true;
#endif
- ;
}
bool qt_resolve_glsl_extensions(QGLContext *ctx)
diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h
index 86096d2..116dfa6 100644
--- a/src/opengl/qglextensions_p.h
+++ b/src/opengl/qglextensions_p.h
@@ -71,6 +71,7 @@
#include <QtCore/qglobal.h>
#ifndef GL_ARB_vertex_buffer_object
+typedef ptrdiff_t GLintptrARB;
typedef ptrdiff_t GLsizeiptrARB;
#endif
@@ -78,13 +79,25 @@ typedef ptrdiff_t GLsizeiptrARB;
typedef char GLchar;
#endif
-// ARB_pixel_buffer_object
+// ARB_vertex_buffer_object
typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint);
typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *);
typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *);
typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum);
+typedef void (APIENTRY *_glBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, const GLvoid *);
+typedef void (APIENTRY *_glGetBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, GLvoid *);
+typedef void (APIENTRY *_glGetBufferParameteriv) (GLenum, GLenum, GLint *);
typedef GLvoid* (APIENTRY *_glMapBufferARB) (GLenum, GLenum);
typedef GLboolean (APIENTRY *_glUnmapBufferARB) (GLenum);
+// We can call the buffer functions directly in OpenGL/ES 1.1 or higher,
+// but all other platforms need to resolve the extensions.
+#if defined(QT_OPENGL_ES)
+#if defined(GL_OES_VERSION_1_0) && !defined(GL_OES_VERSION_1_1)
+#define QGL_RESOLVE_BUFFER_FUNCS 1
+#endif
+#else
+#define QGL_RESOLVE_BUFFER_FUNCS 1
+#endif
// ARB_fragment_program
typedef void (APIENTRY *_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);
@@ -285,11 +298,14 @@ struct QGLExtensionFuncs
qt_glRenderbufferStorageMultisampleEXT = 0;
// Buffer objects:
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
qt_glBindBuffer = 0;
qt_glDeleteBuffers = 0;
qt_glGenBuffers = 0;
qt_glBufferData = 0;
+ qt_glBufferSubData = 0;
+ qt_glGetBufferSubData = 0;
+ qt_glGetBufferParameteriv = 0;
#endif
qt_glMapBufferARB = 0;
qt_glUnmapBufferARB = 0;
@@ -397,11 +413,14 @@ struct QGLExtensionFuncs
_glRenderbufferStorageMultisampleEXT qt_glRenderbufferStorageMultisampleEXT;
// Buffer objects
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
_glBindBuffer qt_glBindBuffer;
_glDeleteBuffers qt_glDeleteBuffers;
_glGenBuffers qt_glGenBuffers;
_glBufferData qt_glBufferData;
+ _glBufferSubData qt_glBufferSubData;
+ _glGetBufferSubData qt_glGetBufferSubData;
+ _glGetBufferParameteriv qt_glGetBufferParameteriv;
#endif
_glMapBufferARB qt_glMapBufferARB;
_glUnmapBufferARB qt_glUnmapBufferARB;
@@ -681,11 +700,14 @@ struct QGLExtensionFuncs
// Buffer objects
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
#define glBindBuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindBuffer
#define glDeleteBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteBuffers
#define glGenBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenBuffers
#define glBufferData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferData
+#define glBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferSubData
+#define glGetBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferSubData
+#define glGetBufferParameteriv QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferParameteriv
#endif
#define glMapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glMapBufferARB
#define glUnmapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glUnmapBufferARB