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-rw-r--r--src/opengl/doc/qtopengl.qdocconf2
-rw-r--r--src/opengl/doc/snippets/code/src_opengl_qglbuffer.cpp60
-rw-r--r--src/opengl/doc/snippets/code/src_opengl_qglfunctions.cpp86
-rw-r--r--src/opengl/doc/snippets/code/src_opengl_qgraphicsshadereffect.cpp95
-rw-r--r--src/opengl/gl2paintengineex/qglengineshadermanager_p.h2
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h6
-rw-r--r--src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h2
-rw-r--r--src/opengl/qgl.cpp56
-rw-r--r--src/opengl/qgl.h16
-rw-r--r--src/opengl/qgl_p.h12
-rw-r--r--src/opengl/qglbuffer.cpp11
-rw-r--r--src/opengl/qglframebufferobject.cpp2
-rw-r--r--src/opengl/qglframebufferobject_p.h6
-rw-r--r--src/opengl/qglfunctions.cpp42
-rw-r--r--src/opengl/qglpixelbuffer_p.h2
-rw-r--r--src/opengl/qglshaderprogram.cpp6
-rw-r--r--src/opengl/qglshaderprogram.h11
-rw-r--r--src/opengl/qgraphicsshadereffect.cpp46
-rw-r--r--src/opengl/qgraphicsshadereffect_p.h4
-rw-r--r--src/opengl/qtopenglglobal.h2
20 files changed, 295 insertions, 174 deletions
diff --git a/src/opengl/doc/qtopengl.qdocconf b/src/opengl/doc/qtopengl.qdocconf
index 6ff6cae2cb..2d38a5d2af 100644
--- a/src/opengl/doc/qtopengl.qdocconf
+++ b/src/opengl/doc/qtopengl.qdocconf
@@ -23,6 +23,8 @@ depends += qtdoc qtcore qtgui qtwidgets qmake
examplesinstallpath = opengl
+tagfile = qtopengl.tags
+
# The following parameters are for creating a qhp file, the qhelpgenerator
# program can convert the qhp file into a qch file which can be opened in
# Qt Assistant and/or Qt Creator.
diff --git a/src/opengl/doc/snippets/code/src_opengl_qglbuffer.cpp b/src/opengl/doc/snippets/code/src_opengl_qglbuffer.cpp
new file mode 100644
index 0000000000..11ef88ab37
--- /dev/null
+++ b/src/opengl/doc/snippets/code/src_opengl_qglbuffer.cpp
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+ QGLBuffer buffer1(QGLBuffer::IndexBuffer);
+ buffer1.create();
+
+ QGLBuffer buffer2 = buffer1;
+//! [0]
+
+//! [1]
+ QGLBuffer::release(QGLBuffer::VertexBuffer);
+//! [1]
diff --git a/src/opengl/doc/snippets/code/src_opengl_qglfunctions.cpp b/src/opengl/doc/snippets/code/src_opengl_qglfunctions.cpp
new file mode 100644
index 0000000000..c848ae7ede
--- /dev/null
+++ b/src/opengl/doc/snippets/code/src_opengl_qglfunctions.cpp
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+ class MyGLWidget : public QGLWidget, protected QGLFunctions
+ {
+ Q_OBJECT
+ public:
+ MyGLWidget(QWidget *parent = 0) : QGLWidget(parent) {}
+
+ protected:
+ void initializeGL();
+ void paintGL();
+ };
+
+ void MyGLWidget::initializeGL()
+ {
+ initializeGLFunctions();
+ }
+//! [0]
+
+//! [1]
+ void MyGLWidget::paintGL()
+ {
+ glActiveTexture(GL_TEXTURE1);
+ glBindTexture(GL_TEXTURE_2D, textureId);
+ ...
+ }
+//! [1]
+
+//! [2]
+ QGLFunctions glFuncs(QGLContext::currentContext());
+ glFuncs.glActiveTexture(GL_TEXTURE1);
+//! [2]
+
+//! [3]
+ QGLFunctions funcs(QGLContext::currentContext());
+ bool npot = funcs.hasOpenGLFeature(QGLFunctions::NPOTTextures);
+//! [3]
diff --git a/src/opengl/doc/snippets/code/src_opengl_qgraphicsshadereffect.cpp b/src/opengl/doc/snippets/code/src_opengl_qgraphicsshadereffect.cpp
new file mode 100644
index 0000000000..461e96e094
--- /dev/null
+++ b/src/opengl/doc/snippets/code/src_opengl_qgraphicsshadereffect.cpp
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+ static char const colorizeShaderCode[] =
+ "uniform lowp vec4 effectColor;\n"
+ "lowp vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {\n"
+ " vec4 src = texture2D(imageTexture, textureCoords);\n"
+ " float gray = dot(src.rgb, vec3(0.212671, 0.715160, 0.072169));\n"
+ " vec4 colorize = 1.0-((1.0-gray)*(1.0-effectColor));\n"
+ " return vec4(colorize.rgb, src.a);\n"
+ "}";
+//! [0]
+
+//! [1]
+ class ColorizeEffect : public QGraphicsShaderEffect
+ {
+ Q_OBJECT
+ public:
+ ColorizeEffect(QObject *parent = 0)
+ : QGraphicsShaderEffect(parent), color(Qt::black)
+ {
+ setPixelShaderFragment(colorizeShaderCode);
+ }
+
+ QColor effectColor() const { return color; }
+ void setEffectColor(const QColor& c)
+ {
+ color = c;
+ setUniformsDirty();
+ }
+
+ protected:
+ void setUniforms(QGLShaderProgram *program)
+ {
+ program->setUniformValue("effectColor", color);
+ }
+
+ private:
+ QColor color;
+ };
+//! [1]
+
+//! [2]
+ lowp vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {
+ return texture2D(imageTexture, textureCoords);
+ }
+//! [2]
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
index ec472da2e8..d23b3ad550 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
@@ -372,7 +372,7 @@ private:
class QGLEngineShaderProg
{
public:
- QGLEngineShaderProg() : program(0) {}
+ QGLEngineShaderProg() : program(nullptr) {}
~QGLEngineShaderProg() {
if (program)
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index d1ed621790..762aac2f65 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -160,7 +160,7 @@ public:
void setTranslateZ(GLfloat z);
private:
- Q_DISABLE_COPY(QGL2PaintEngineEx)
+ Q_DISABLE_COPY_MOVE(QGL2PaintEngineEx)
};
class QGL2PaintEngineExPrivate : public QPaintEngineExPrivate, protected QOpenGLExtensions
@@ -175,9 +175,9 @@ public:
QGL2PaintEngineExPrivate(QGL2PaintEngineEx *q_ptr) :
q(q_ptr),
- shaderManager(0),
+ shaderManager(nullptr),
width(0), height(0),
- ctx(0),
+ ctx(nullptr),
useSystemClip(true),
elementIndicesVBOId(0),
opacityArray(0),
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
index e76216ef5d..7c12ce8998 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
@@ -139,7 +139,7 @@ public:
inline void setPaintEnginePrivate(QGL2PaintEngineExPrivate *p) { pex = p; }
- inline const QOpenGLContextGroup *contextGroup() const { return m_textureResource ? m_textureResource->group() : 0; }
+ inline const QOpenGLContextGroup *contextGroup() const { return m_textureResource ? m_textureResource->group() : nullptr; }
inline int serialNumber() const { return m_serialNumber; }
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index e136ddcff2..8ef53afaea 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -157,7 +157,7 @@ class QGLDefaultOverlayFormat: public QGLFormat
public:
inline QGLDefaultOverlayFormat()
{
- setOption(QGL::FormatOption(0xffff << 16)); // turn off all options
+ setOption(QGL::FormatOption(0xffffU << 16)); // turn off all options
setOption(QGL::DirectRendering);
setPlane(1);
}
@@ -3880,12 +3880,9 @@ void QGLContext::doneCurrent()
*/
QGLWidget::QGLWidget(QWidget *parent, const QGLWidget* shareWidget, Qt::WindowFlags f)
- : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+ : QWidget(*(new QGLWidgetPrivate), parent, f)
{
Q_D(QGLWidget);
- setAttribute(Qt::WA_PaintOnScreen);
- setAttribute(Qt::WA_NoSystemBackground);
- setAutoFillBackground(true); // for compatibility
d->init(new QGLContext(QGLFormat::defaultFormat(), this), shareWidget);
}
@@ -3893,12 +3890,9 @@ QGLWidget::QGLWidget(QWidget *parent, const QGLWidget* shareWidget, Qt::WindowFl
\internal
*/
QGLWidget::QGLWidget(QGLWidgetPrivate &dd, const QGLFormat &format, QWidget *parent, const QGLWidget *shareWidget, Qt::WindowFlags f)
- : QWidget(dd, parent, f | Qt::MSWindowsOwnDC)
+ : QWidget(dd, parent, f)
{
Q_D(QGLWidget);
- setAttribute(Qt::WA_PaintOnScreen);
- setAttribute(Qt::WA_NoSystemBackground);
- setAutoFillBackground(true); // for compatibility
d->init(new QGLContext(format, this), shareWidget);
}
@@ -3935,12 +3929,9 @@ QGLWidget::QGLWidget(QGLWidgetPrivate &dd, const QGLFormat &format, QWidget *par
QGLWidget::QGLWidget(const QGLFormat &format, QWidget *parent, const QGLWidget* shareWidget,
Qt::WindowFlags f)
- : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+ : QWidget(*(new QGLWidgetPrivate), parent, f)
{
Q_D(QGLWidget);
- setAttribute(Qt::WA_PaintOnScreen);
- setAttribute(Qt::WA_NoSystemBackground);
- setAutoFillBackground(true); // for compatibility
d->init(new QGLContext(format, this), shareWidget);
}
@@ -3971,12 +3962,9 @@ QGLWidget::QGLWidget(const QGLFormat &format, QWidget *parent, const QGLWidget*
*/
QGLWidget::QGLWidget(QGLContext *context, QWidget *parent, const QGLWidget *shareWidget,
Qt::WindowFlags f)
- : QWidget(*(new QGLWidgetPrivate), parent, f | Qt::MSWindowsOwnDC)
+ : QWidget(*(new QGLWidgetPrivate), parent, f)
{
Q_D(QGLWidget);
- setAttribute(Qt::WA_PaintOnScreen);
- setAttribute(Qt::WA_NoSystemBackground);
- setAutoFillBackground(true); // for compatibility
d->init(context, shareWidget);
}
@@ -4131,14 +4119,14 @@ void QGLWidget::swapBuffers()
/*!
\fn const QGLContext* QGLWidget::overlayContext() const
- Returns the overlay context of this widget, or 0 if this widget
- has no overlay.
+ Returns the overlay context of this widget, or \nullptr if this
+ widget has no overlay.
\sa context()
*/
const QGLContext* QGLWidget::overlayContext() const
{
- return 0;
+ return nullptr;
}
/*!
@@ -5169,6 +5157,15 @@ QPaintEngine *QGLWidget::paintEngine() const
void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget *shareWidget)
{
+ Q_Q(QGLWidget);
+ q->setAttribute(Qt::WA_PaintOnScreen);
+ q->setAttribute(Qt::WA_NoSystemBackground);
+ q->setAutoFillBackground(true); // for compatibility
+
+ mustHaveWindowHandle = 1;
+ q->setAttribute(Qt::WA_NativeWindow);
+ q->setWindowFlag(Qt::MSWindowsOwnDC);
+
initContext(context, shareWidget);
}
@@ -5205,25 +5202,6 @@ void QGLWidgetPrivate::cleanupColormaps()
{
}
-Q_GLOBAL_STATIC(QString, qt_gl_lib_name)
-
-void qt_set_gl_library_name(const QString& name)
-{
- qt_gl_lib_name()->operator=(name);
-}
-
-const QString qt_gl_library_name()
-{
- if (qt_gl_lib_name()->isNull()) {
-# if defined(QT_OPENGL_ES_2)
- return QLatin1String("GLESv2");
-# else
- return QLatin1String("GL");
-# endif
- }
- return *qt_gl_lib_name();
-}
-
void QGLContextGroup::addShare(const QGLContext *context, const QGLContext *share) {
Q_ASSERT(context && share);
if (context->d_ptr->group == share->d_ptr->group)
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index a1ba0485e0..f5accbeb3c 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -51,22 +51,6 @@
#include <QtGui/QSurfaceFormat>
-#if defined(Q_CLANG_QDOC)
-#undef GLint
-typedef int GLint;
-#undef GLuint
-typedef unsigned int GLuint;
-#undef GLenum
-typedef unsigned int GLenum;
-#undef GLclampf
-typedef float GLclampf;
-#undef GLsizei
-typedef int GLsizei;
-#undef GLboolean
-typedef bool GLboolean;
-#endif
-
-
QT_BEGIN_NAMESPACE
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index ed364283cc..4e52c0f5e9 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -203,7 +203,7 @@ const QGLContext *qt_gl_transfer_context(const QGLContext *);
class QGLTemporaryContextPrivate;
class QGLTemporaryContext {
public:
- explicit QGLTemporaryContext(bool directRendering = true, QWidget *parent = 0);
+ explicit QGLTemporaryContext(bool directRendering = true, QWidget *parent = nullptr);
~QGLTemporaryContext();
private:
@@ -302,7 +302,7 @@ class Q_OPENGL_EXPORT QGLShareContextScope
{
public:
QGLShareContextScope(const QGLContext *ctx)
- : m_oldContext(0)
+ : m_oldContext(nullptr)
{
QGLContext *currentContext = const_cast<QGLContext *>(QGLContext::currentContext());
if (currentContext != ctx && !QGLContext::areSharing(ctx, currentContext)) {
@@ -367,7 +367,7 @@ Q_SIGNALS:
class QGLTexture {
public:
- explicit QGLTexture(QGLContext *ctx = 0, GLuint tx_id = 0, GLenum tx_target = GL_TEXTURE_2D,
+ explicit QGLTexture(QGLContext *ctx = nullptr, GLuint tx_id = 0, GLenum tx_target = GL_TEXTURE_2D,
QGLContext::BindOptions opt = QGLContext::DefaultBindOption)
: context(ctx),
id(tx_id),
@@ -378,7 +378,7 @@ public:
~QGLTexture() {
if (options & QGLContext::MemoryManagedBindOption) {
Q_ASSERT(context);
- QPlatformPixmap *boundPixmap = 0;
+ QPlatformPixmap *boundPixmap = nullptr;
context->d_ptr->texture_destroyer->emitFreeTexture(context, boundPixmap, id);
}
}
@@ -392,9 +392,9 @@ public:
bool canBindCompressedTexture
(const char *buf, int len, const char *format, bool *hasAlpha);
QSize bindCompressedTexture
- (const QString& fileName, const char *format = 0);
+ (const QString& fileName, const char *format = nullptr);
QSize bindCompressedTexture
- (const char *buf, int len, const char *format = 0);
+ (const char *buf, int len, const char *format = nullptr);
QSize bindCompressedTextureDDS(const char *buf, int len);
QSize bindCompressedTexturePVR(const char *buf, int len);
};
diff --git a/src/opengl/qglbuffer.cpp b/src/opengl/qglbuffer.cpp
index 200ee2499e..bb9c2affbd 100644
--- a/src/opengl/qglbuffer.cpp
+++ b/src/opengl/qglbuffer.cpp
@@ -60,12 +60,7 @@ QT_BEGIN_NAMESPACE
QGLBuffer objects can be copied around as a reference to the
underlying GL buffer object:
- \code
- QGLBuffer buffer1(QGLBuffer::IndexBuffer);
- buffer1.create();
-
- QGLBuffer buffer2 = buffer1;
- \endcode
+ \snippet code/src_opengl_qglbuffer.cpp 0
QGLBuffer performs a shallow copy when objects are copied in this
manner, but does not implement copy-on-write semantics. The original
@@ -474,9 +469,7 @@ void QGLBuffer::release()
been bound to the context but wants to make sure that it
is released.
- \code
- QGLBuffer::release(QGLBuffer::VertexBuffer);
- \endcode
+ \snippet code/src_opengl_qglbuffer.cpp 1
*/
void QGLBuffer::release(QGLBuffer::Type type)
{
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index 0b2ddf97fe..b2158ebfaa 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -211,7 +211,7 @@ QGLFramebufferObjectFormat::~QGLFramebufferObjectFormat()
If the desired amount of samples per pixel is not supported by the hardware
then the maximum number of samples per pixel will be used. Note that
- multisample framebuffer objects can not be bound as textures. Also, the
+ multisample framebuffer objects cannot be bound as textures. Also, the
\c{GL_EXT_framebuffer_multisample} extension is required to create a
framebuffer with more than one sample per pixel.
diff --git a/src/opengl/qglframebufferobject_p.h b/src/opengl/qglframebufferobject_p.h
index bf5e21cf0b..9d536527c3 100644
--- a/src/opengl/qglframebufferobject_p.h
+++ b/src/opengl/qglframebufferobject_p.h
@@ -124,9 +124,9 @@ private:
class QGLFramebufferObjectPrivate
{
public:
- QGLFramebufferObjectPrivate() : fbo_guard(0), texture_guard(0), depth_buffer_guard(0)
- , stencil_buffer_guard(0), color_buffer_guard(0)
- , valid(false), engine(0) {}
+ QGLFramebufferObjectPrivate() : fbo_guard(nullptr), texture_guard(nullptr), depth_buffer_guard(nullptr)
+ , stencil_buffer_guard(nullptr), color_buffer_guard(nullptr)
+ , valid(false), engine(nullptr) {}
~QGLFramebufferObjectPrivate() {}
void init(QGLFramebufferObject *q, const QSize& sz,
diff --git a/src/opengl/qglfunctions.cpp b/src/opengl/qglfunctions.cpp
index aa1854dd3d..f22f9f470b 100644
--- a/src/opengl/qglfunctions.cpp
+++ b/src/opengl/qglfunctions.cpp
@@ -62,44 +62,18 @@ QT_BEGIN_NAMESPACE
that need it. The recommended way to use QGLFunctions is by
direct inheritance:
- \code
- class MyGLWidget : public QGLWidget, protected QGLFunctions
- {
- \Q_OBJECT
- public:
- MyGLWidget(QWidget *parent = 0) : QGLWidget(parent) {}
-
- protected:
- void initializeGL();
- void paintGL();
- };
-
- void MyGLWidget::initializeGL()
- {
- initializeGLFunctions();
- }
- \endcode
+ \snippet code/src_opengl_qglfunctions.cpp 0
The \c{paintGL()} function can then use any of the OpenGL ES 2.0
functions without explicit resolution, such as glActiveTexture()
in the following example:
- \code
- void MyGLWidget::paintGL()
- {
- glActiveTexture(GL_TEXTURE1);
- glBindTexture(GL_TEXTURE_2D, textureId);
- ...
- }
- \endcode
+ \snippet code/src_opengl_qglfunctions.cpp 1
QGLFunctions can also be used directly for ad-hoc invocation
of OpenGL ES 2.0 functions on all platforms:
- \code
- QGLFunctions glFuncs(QGLContext::currentContext());
- glFuncs.glActiveTexture(GL_TEXTURE1);
- \endcode
+ \snippet code/src_opengl_qglfunctions.cpp 2
QGLFunctions provides wrappers for all OpenGL ES 2.0 functions,
except those like \c{glDrawArrays()}, \c{glViewport()}, and
@@ -114,10 +88,7 @@ QT_BEGIN_NAMESPACE
feature. For example, the following checks if non power of two
textures are available:
- \code
- QGLFunctions funcs(QGLContext::currentContext());
- bool npot = funcs.hasOpenGLFeature(QGLFunctions::NPOTTextures);
- \endcode
+ \snippet code/src_opengl_qglfunctions.cpp 3
\note This class has been deprecated in favor of QOpenGLFunctions.
*/
@@ -199,7 +170,8 @@ QGLFunctions::QGLFunctions()
/*!
Constructs a function resolver for \a context. If \a context
- is null, then the resolver will be created for the current QGLContext.
+ is \nullptr, then the resolver will be created for the current
+ QGLContext.
An object constructed in this way can only be used with \a context
and other contexts that share with it. Use initializeGLFunctions()
@@ -334,7 +306,7 @@ bool QGLFunctions::hasOpenGLFeature(QGLFunctions::OpenGLFeature feature) const
/*!
Initializes GL function resolution for \a context. If \a context
- is null, then the current QGLContext will be used.
+ is \nullptr, then the current QGLContext will be used.
After calling this function, the QGLFunctions object can only be
used with \a context and other contexts that share with it.
diff --git a/src/opengl/qglpixelbuffer_p.h b/src/opengl/qglpixelbuffer_p.h
index 9125fcfb4b..2729ade2b6 100644
--- a/src/opengl/qglpixelbuffer_p.h
+++ b/src/opengl/qglpixelbuffer_p.h
@@ -77,7 +77,7 @@ private:
class QGLPixelBufferPrivate {
Q_DECLARE_PUBLIC(QGLPixelBuffer)
public:
- QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(0), widget(0), fbo(0), blit_fbo(0), pbuf(0), ctx(0)
+ QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(nullptr), widget(nullptr), fbo(nullptr), blit_fbo(nullptr), pbuf(nullptr), ctx(nullptr)
{
}
bool init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget);
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index 545df8fa44..35f60318be 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -3169,7 +3169,8 @@ GLenum QGLShaderProgram::geometryOutputType() const
Language (GLSL) are supported on this system; false otherwise.
The \a context is used to resolve the GLSL extensions.
- If \a context is null, then QGLContext::currentContext() is used.
+ If \a context is \nullptr, then QGLContext::currentContext() is
+ used.
*/
bool QGLShaderProgram::hasOpenGLShaderPrograms(const QGLContext *context)
{
@@ -3207,7 +3208,8 @@ void QGLShaderProgram::shaderDestroyed()
this system; false otherwise.
The \a context is used to resolve the GLSL extensions.
- If \a context is null, then QGLContext::currentContext() is used.
+ If \a context is \nullptr, then QGLContext::currentContext() is
+ used.
\since 4.7
*/
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index dfdef44b54..3ce88197d2 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -46,17 +46,6 @@
#include <QtGui/qvector4d.h>
#include <QtGui/qmatrix4x4.h>
-#if defined(Q_CLANG_QDOC)
-#undef GLfloat
-typedef double GLfloat;
-#undef GLint
-typedef int GLint;
-#undef GLuint
-typedef unsigned int GLuint;
-#undef GLenum
-typedef unsigned int GLenum;
-#endif
-
QT_BEGIN_NAMESPACE
diff --git a/src/opengl/qgraphicsshadereffect.cpp b/src/opengl/qgraphicsshadereffect.cpp
index 4959c804b8..97b83a6b3d 100644
--- a/src/opengl/qgraphicsshadereffect.cpp
+++ b/src/opengl/qgraphicsshadereffect.cpp
@@ -70,48 +70,12 @@ QT_BEGIN_NAMESPACE
grayscale and then applies a colorize operation using the
\c effectColor value:
- \code
- static char const colorizeShaderCode[] =
- "uniform lowp vec4 effectColor;\n"
- "lowp vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {\n"
- " vec4 src = texture2D(imageTexture, textureCoords);\n"
- " float gray = dot(src.rgb, vec3(0.212671, 0.715160, 0.072169));\n"
- " vec4 colorize = 1.0-((1.0-gray)*(1.0-effectColor));\n"
- " return vec4(colorize.rgb, src.a);\n"
- "}";
- \endcode
+ \snippet code/src_opengl_qgraphicsshadereffect.cpp 0
To use this shader code, it is necessary to define a subclass
of QGraphicsShaderEffect as follows:
- \code
- class ColorizeEffect : public QGraphicsShaderEffect
- {
- \Q_OBJECT
- public:
- ColorizeEffect(QObject *parent = 0)
- : QGraphicsShaderEffect(parent), color(Qt::black)
- {
- setPixelShaderFragment(colorizeShaderCode);
- }
-
- QColor effectColor() const { return color; }
- void setEffectColor(const QColor& c)
- {
- color = c;
- setUniformsDirty();
- }
-
- protected:
- void setUniforms(QGLShaderProgram *program)
- {
- program->setUniformValue("effectColor", color);
- }
-
- private:
- QColor color;
- };
- \endcode
+ \snippet code/src_opengl_qgraphicsshadereffect.cpp 1
The setUniforms() function is called when the effect is about
to be used for drawing to give the subclass the opportunity to
@@ -216,11 +180,7 @@ QByteArray QGraphicsShaderEffect::pixelShaderFragment() const
shader program. The following is the default pixel shader fragment,
which draws a pixmap with no effect applied:
- \code
- lowp vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {
- return texture2D(imageTexture, textureCoords);
- }
- \endcode
+ \snippet code/src_opengl_qgraphicsshadereffect.cpp 2
\sa pixelShaderFragment(), setUniforms()
*/
diff --git a/src/opengl/qgraphicsshadereffect_p.h b/src/opengl/qgraphicsshadereffect_p.h
index 9efcecd25f..218caa2936 100644
--- a/src/opengl/qgraphicsshadereffect_p.h
+++ b/src/opengl/qgraphicsshadereffect_p.h
@@ -67,7 +67,7 @@ class Q_OPENGL_EXPORT QGraphicsShaderEffect : public QGraphicsEffect
{
Q_OBJECT
public:
- QGraphicsShaderEffect(QObject *parent = 0);
+ QGraphicsShaderEffect(QObject *parent = nullptr);
virtual ~QGraphicsShaderEffect();
QByteArray pixelShaderFragment() const;
@@ -80,7 +80,7 @@ protected:
private:
Q_DECLARE_PRIVATE(QGraphicsShaderEffect)
- Q_DISABLE_COPY(QGraphicsShaderEffect)
+ Q_DISABLE_COPY_MOVE(QGraphicsShaderEffect)
friend class QGLCustomShaderEffectStage;
};
diff --git a/src/opengl/qtopenglglobal.h b/src/opengl/qtopenglglobal.h
index 6d03264e27..0e821f87b8 100644
--- a/src/opengl/qtopenglglobal.h
+++ b/src/opengl/qtopenglglobal.h
@@ -3,7 +3,7 @@
** Copyright (C) 2016 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
-** This file is part of the QtCore module of the Qt Toolkit.
+** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-11 00:41:05 +0000