diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/opengl/qglframebufferobject.cpp | 72 | ||||
-rw-r--r-- | src/opengl/qglframebufferobject.h | 18 | ||||
-rw-r--r-- | src/opengl/qglpixmapfilter.cpp | 2 | ||||
-rw-r--r-- | src/opengl/qpixmapdata_gl.cpp | 2 | ||||
-rw-r--r-- | src/opengl/qwindowsurface_gl.cpp | 2 |
5 files changed, 50 insertions, 46 deletions
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp index 427aab3..a03e627 100644 --- a/src/opengl/qglframebufferobject.cpp +++ b/src/opengl/qglframebufferobject.cpp @@ -109,38 +109,28 @@ public: */ /*! - Creates a QGLFramebufferObjectFormat object with properties specifying + Creates a QGLFramebufferObjectFormat object for specifying the format of an OpenGL framebuffer object. - A multisample framebuffer object is specified by setting \a samples - to a value different from zero. 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 \c{GL_EXT_framebuffer_multisample} extension is required - to create a framebuffer with more than one sample per pixel. - - For multisample framebuffer objects a color render buffer is created, - otherwise a texture with the texture target \a target is created. - The color render buffer or texture will have the internal format - \a internalFormat, and will be bound to the \c GL_COLOR_ATTACHMENT0 - attachment in the framebuffer object. - - The \a attachment parameter describes the depth/stencil buffer - configuration. + By default the format specifies a non-multisample framebuffer object with no + attachments, texture target \c GL_TEXTURE_2D, and internal format \c GL_RGBA8. \sa samples(), attachment(), target(), internalFormat() */ -QGLFramebufferObjectFormat::QGLFramebufferObjectFormat(int samples, - QGLFramebufferObject::Attachment attachment, - GLenum target, - GLenum internalFormat) +#ifndef QT_OPENGL_ES +#define DEFAULT_FORMAT GL_RGBA8 +#else +#define DEFAULT_FORMAT GL_RGBA +#endif + +QGLFramebufferObjectFormat::QGLFramebufferObjectFormat() { d = new QGLFramebufferObjectFormatPrivate; - d->samples = samples; - d->attachment = attachment; - d->target = target; - d->internal_format = internalFormat; + d->samples = 0; + d->attachment = QGLFramebufferObject::NoAttachment; + d->target = GL_TEXTURE_2D; + d->internal_format = DEFAULT_FORMAT; } /*! @@ -176,6 +166,12 @@ QGLFramebufferObjectFormat::~QGLFramebufferObjectFormat() to \a samples. A sample count of 0 represents a regular non-multisample framebuffer object. + 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 + \c{GL_EXT_framebuffer_multisample} extension is required to create a + framebuffer with more than one sample per pixel. + \sa samples() */ void QGLFramebufferObjectFormat::setSamples(int samples) @@ -195,7 +191,7 @@ int QGLFramebufferObjectFormat::samples() const } /*! - Sets the attachments a framebuffer object should have to \a attachment. + Sets the attachment configuration of a framebuffer object to \a attachment. \sa attachment() */ @@ -259,6 +255,20 @@ GLenum QGLFramebufferObjectFormat::internalFormat() const return d->internal_format; } +#ifdef Q_MAC_COMPAT_GL_FUNCTIONS +/*! \internal */ +void QGLFramebufferObjectFormat::setTextureTarget(QMacCompatGLenum target) +{ + d->target = target; +} + +/*! \internal */ +void QGLFramebufferObjectFormat::setInternalFormat(QMacCompatGLenum internalFormat) +{ + d->internal_format = internalFormat; +} +#endif + class QGLFramebufferObjectPrivate { public: @@ -526,6 +536,12 @@ void QGLFramebufferObjectPrivate::init(const QSize &sz, QGLFramebufferObject::At the constructors that take a QGLFramebufferObject parameter, and set the QGLFramebufferObject::samples() property to a non-zero value. + For multisample framebuffer objects a color render buffer is created, + otherwise a texture with the specified texture target is created. + The color render buffer or texture will have the specified internal + format, and will be bound to the \c GL_COLOR_ATTACHMENT0 + attachment in the framebuffer object. + If you want to use a framebuffer object with multisampling enabled as a texture, you first need to copy from it to a regular framebuffer object using QGLContext::blitFramebuffer(). @@ -579,12 +595,6 @@ void QGLFramebufferObjectPrivate::init(const QSize &sz, QGLFramebufferObject::At \sa size(), texture(), attachment() */ -#ifndef QT_OPENGL_ES -#define DEFAULT_FORMAT GL_RGBA8 -#else -#define DEFAULT_FORMAT GL_RGBA -#endif - QGLFramebufferObject::QGLFramebufferObject(const QSize &size, GLenum target) : d_ptr(new QGLFramebufferObjectPrivate) { diff --git a/src/opengl/qglframebufferobject.h b/src/opengl/qglframebufferobject.h index cfc824b..ad14e50 100644 --- a/src/opengl/qglframebufferobject.h +++ b/src/opengl/qglframebufferobject.h @@ -137,18 +137,7 @@ class QGLFramebufferObjectFormatPrivate; class Q_OPENGL_EXPORT QGLFramebufferObjectFormat { public: -#if !defined(QT_OPENGL_ES) || defined(Q_QDOC) - QGLFramebufferObjectFormat(int samples = 0, - QGLFramebufferObject::Attachment attachment = QGLFramebufferObject::NoAttachment, - GLenum target = GL_TEXTURE_2D, - GLenum internalFormat = GL_RGBA8); -#else - QGLFramebufferObjectFormat(int samples = 0, - QGLFramebufferObject::Attachment attachment = QGLFramebufferObject::NoAttachment, - GLenum target = GL_TEXTURE_2D, - GLenum internalFormat = GL_RGBA); -#endif - + QGLFramebufferObjectFormat(); QGLFramebufferObjectFormat(const QGLFramebufferObjectFormat &other); QGLFramebufferObjectFormat &operator=(const QGLFramebufferObjectFormat &other); ~QGLFramebufferObjectFormat(); @@ -165,6 +154,11 @@ public: void setInternalFormat(GLenum internalFormat); GLenum internalFormat() const; +#ifdef Q_MAC_COMPAT_GL_FUNCTIONS + void setTextureTarget(QMacCompatGLenum target); + void setInternalFormat(QMacCompatGLenum internalFormat); +#endif + private: QGLFramebufferObjectFormatPrivate *d; }; diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp index c51ccc7..56e5baa 100644 --- a/src/opengl/qglpixmapfilter.cpp +++ b/src/opengl/qglpixmapfilter.cpp @@ -324,7 +324,7 @@ bool QGLPixmapBlurFilter::processGL(QPainter *painter, const QPointF &pos, const filter->setSource(generateBlurShader(radius(), quality() == Qt::SmoothTransformation)); QGLFramebufferObjectFormat format; - format.setInternalFormat(src.hasAlphaChannel() ? GL_RGBA : GL_RGB); + format.setInternalFormat(GLenum(src.hasAlphaChannel() ? GL_RGBA : GL_RGB)); QGLFramebufferObject *fbo = qgl_fbo_pool()->acquire(src.size(), format); if (!fbo) diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp index 5e87e96..b6f5012 100644 --- a/src/opengl/qpixmapdata_gl.cpp +++ b/src/opengl/qpixmapdata_gl.cpp @@ -467,7 +467,7 @@ QPaintEngine* QGLPixmapData::paintEngine() const QGLFramebufferObjectFormat format; format.setAttachment(QGLFramebufferObject::CombinedDepthStencil); format.setSamples(4); - format.setInternalFormat(m_hasAlpha ? GL_RGBA : GL_RGB); + format.setInternalFormat(GLenum(m_hasAlpha ? GL_RGBA : GL_RGB)); m_renderFbo = qgl_fbo_pool()->acquire(size(), format); diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp index a59501c..f974938 100644 --- a/src/opengl/qwindowsurface_gl.cpp +++ b/src/opengl/qwindowsurface_gl.cpp @@ -569,7 +569,7 @@ void QGLWindowSurface::updateGeometry() QGLFramebufferObjectFormat format; format.setAttachment(QGLFramebufferObject::CombinedDepthStencil); - format.setInternalFormat(GL_RGBA); + format.setInternalFormat(GLenum(GL_RGBA)); format.setTextureTarget(target); if (QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit) |