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Diffstat (limited to 'doc/src/platforms/wince-opengl.qdoc')
| -rw-r--r-- | doc/src/platforms/wince-opengl.qdoc | 70 |
1 files changed, 30 insertions, 40 deletions
diff --git a/doc/src/platforms/wince-opengl.qdoc b/doc/src/platforms/wince-opengl.qdoc index 4fc4d7b..0ea2ec6 100644 --- a/doc/src/platforms/wince-opengl.qdoc +++ b/doc/src/platforms/wince-opengl.qdoc @@ -41,58 +41,48 @@ /*! \page windowsce-opengl.html - \title Windows CE OpenGL ES + \title Qt for Windows CE and OpenGL ES \ingroup qtce \brief Information about support for OpenGL ES with Qt for Windows CE. - \section1 Introduction + \input platforms/emb-opengl.qdocinc - \l {http://www.opengl.org}{OpenGL} is an industry standard API for 2D/3D - graphics. It provides a powerful, low-level interface between software - and acceleration hardware, and it is operating system and window system - independent. +\section1 Using OpenGL with Qt for Windows CE +Qt for Windows CE uses EGL 1.1 to embed OpenGL ES windows within the +Windows CE window manager. - \l {http://www.khronos.org/opengles}{OpenGL ES} is a subset of the - \l {http://www.opengl.org}{OpenGL} standard. It is meant for use in - embedded systems. Hence, it has a smaller, more constrained API. +\section2 Configure - Qt for Windows CE uses EGL 1.1 to embed OpenGL ES windows within the - Windows CE window manager. +To configure Qt for Windows Mobile 5.0 and OpenGL ES Common Lite support +you can run \c{configure} like this: - To use OpenGL ES enabled widgets in a Qt for Windows CE application, you - only need to subclass QGLWidget and draw on instances of the subclass with - OpenGL ES functions. - - OpenGL ES includes profiles for floating-point and fixed-point arithmetic. - The floating point profile is called OpenGL ES CM (Common) and the - fixed-point profile is called OpenGL ES CL (Common Lite). - - You can run \c{configure} with the \c{-opengl-es-cm} option for the Common - profile or \c{-opengl-es-cl} for the Common Lite profile. In both cases, - ensure that the \c{lib} and \c{includes} paths include the OpenGL ES - headers and libararies from your SDK. The OpenGL ES lib should be called - either \c{libGLES_CM.lib} for the Common profile or \c{libGLES_CL.lib} - for the Common Lite profile. + \snippet doc/src/snippets/code/doc_src_wince-opengl.qdoc 0 - To configure Qt for Windows Mobile 5.0 and OpenGL ES Common Lite support - you can run \c{configure} like this: +OpenGL ES includes profiles for floating-point and fixed-point arithmetic. +The floating point profile is called OpenGL ES CM (Common) and the +fixed-point profile is called OpenGL ES CL (Common Lite). - \snippet doc/src/snippets/code/doc_src_wince-opengl.qdoc 0 +You can run \c{configure} with the \c{-opengl-es-cm} option for the Common +profile or \c{-opengl-es-cl} for the Common Lite profile. In both cases, +ensure that the \c{lib} and \c{includes} paths include the OpenGL ES +headers and libararies from your SDK. The OpenGL ES lib should be called +either \c{libGLES_CM.lib} for the Common profile or \c{libGLES_CL.lib} for +the Common Lite profile. - The distinction between the Common and Common Lite profiles is important, - because the Common Lite profile has less functionality and only supports a - fixed-point vertex format. +The distinction between the Common and Common Lite profiles is important, +because the Common Lite profile has less functionality and only supports a +fixed-point vertex format. - To start programming with Qt and OpenGL ES on Windows CE, you can start - with the \l{Hello GL ES Example}. This example shows how to use QGLWidget - and QGLPainter with OpenGL ES. It also provides some hints on how to port - OpenGL code to OpenGL ES. +To start programming with Qt and OpenGL ES on Windows CE, you can start +with the \l{Hello GL ES Example}. This example shows how to use QGLWidget +and QGLPainter with OpenGL ES. It also provides some hints on how to port +OpenGL code to OpenGL ES. - \section2 Using OpenGL to Accelerate Normal 2D Painting +\section2 Using OpenGL to Accelerate Normal 2D Painting - Qt provides QOpenGLPaintEngine, a subclass of QPaintEngine that translates - QPainter operations into OpenGL calls. This is especially convenient for - drawing text or QImage objects in an OpenGL ES context. For further - details, refer to the \l{Hello GL ES Example}. +Qt provides QOpenGLPaintEngine, a subclass of QPaintEngine that translates +QPainter operations into OpenGL calls. This is especially convenient for +drawing text or QImage objects in an OpenGL ES context. For further +details, refer to the \l{Hello GL ES Example}. */ |