qdoc: Shift snippets in QGLShaderProgram out into doc/src/snippets

2 files changed, 95 insertions, 49 deletions

diff --git a/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp
new file mode 100644
index 0000000..2997297
--- /dev/null
+++ b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QGLShader shader(QGLShader::VertexShader);
+shader.compile(code);
+
+QGLShaderProgram program(context);
+program.addShader(shader);
+program.link();
+
+program.enable();
+//! [0]
+
+//! [1]
+program.addShader(QGLShader::VertexShader,
+    "attribute highp vec4 vertex;\n"
+    "attribute mediump mat4 matrix;\n"
+    "void main(void)\n"
+    "{\n"
+    "   gl_Position = matrix * vertex;\n"
+    "}");
+program.addShader(QGLShader::FragmentShader,
+    "uniform mediump vec4 color;\n"
+    "void main(void)\n"
+    "{\n"
+    "   gl_FragColor = color;\n"
+    "}");
+program.link();
+program.enable();
+
+int vertexLocation = program.attributeLocation("vertex");
+int matrixLocation = program.attributeLocation("matrix");
+int colorLocation = program.uniformLocation("color");
+//! [1]
+
+//! [2]
+static GLfloat const triangleVertices[] = {
+    60.0f,  10.0f,  0.0f,
+    110.0f, 110.0f, 0.0f,
+    10.0f,  110.0f, 0.0f
+};
+
+QColor color(0, 255, 0, 255);
+
+QMatrix4x4 pmvMatrix;
+pmvMatrix.ortho(rect());
+
+program.setAttributeArray(vertexLocation, triangleVertices, 3);
+program.setUniformValue(matrixLocation, pmvMatrix);
+program.setUniformValue(colorLocation, color);
+
+glDrawArrays(GL_TRIANGLES, 0, 3);
+//! [2]
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index 0b7fe87..ebcd723 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -70,16 +70,7 @@ QT_BEGIN_NAMESPACE
     program is activated in the current QGLContext by calling
     QGLShaderProgram::enable():
 
-    \code
-    QGLShader shader(QGLShader::VertexShader);
-    shader.compile(code);
-
-    QGLShaderProgram program(context);
-    program.addShader(shader);
-    program.link();
-
-    program.enable();
-    \endcode
+    \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 0
 
     \section1 Writing portable shaders
 
@@ -107,49 +98,12 @@ QT_BEGIN_NAMESPACE
 
     \section1 Simple shader example
 
-    \code
-    program.addShader(QGLShader::VertexShader,
-        "attribute highp vec4 vertex;\n"
-        "attribute mediump mat4 matrix;\n"
-        "void main(void)\n"
-        "{\n"
-        "   gl_Position = matrix * vertex;\n"
-        "}");
-    program.addShader(QGLShader::FragmentShader,
-        "uniform mediump vec4 color;\n"
-        "void main(void)\n"
-        "{\n"
-        "   gl_FragColor = color;\n"
-        "}");
-    program.link();
-    program.enable();
-
-    int vertexLocation = program.attributeLocation("vertex");
-    int matrixLocation = program.attributeLocation("matrix");
-    int colorLocation = program.uniformLocation("color");
-    \endcode
+    \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 1
 
     With the above shader program active, we can draw a green triangle
     as follows:
 
-    \code
-    static GLfloat const triangleVertices[] = {
-        60.0f,  10.0f,  0.0f,
-        110.0f, 110.0f, 0.0f,
-        10.0f,  110.0f, 0.0f
-    };
-
-    QColor color(0, 255, 0, 255);
-
-    QMatrix4x4 pmvMatrix;
-    pmvMatrix.ortho(rect());
-
-    program.setAttributeArray(vertexLocation, triangleVertices, 3);
-    program.setUniformValue(matrixLocation, pmvMatrix);
-    program.setUniformValue(colorLocation, color);
-
-    glDrawArrays(GL_TRIANGLES, 0, 3);
-    \endcode
+    \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 2
 
     \section1 Partial shaders