diff options
Diffstat (limited to 'doc/src/snippets')
-rw-r--r-- | doc/src/snippets/code/src_opengl_qglshaderprogram.cpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp index 2997297..9a15f19 100644 --- a/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp +++ b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp @@ -40,32 +40,32 @@ ****************************************************************************/ //! [0] -QGLShader shader(QGLShader::VertexShader); -shader.compile(code); +QGLShader shader(QGLShader::Vertex); +shader.compileSourceCode(code); QGLShaderProgram program(context); program.addShader(shader); program.link(); -program.enable(); +program.bind(); //! [0] //! [1] -program.addShader(QGLShader::VertexShader, +program.addShaderFromSourceCode(QGLShader::Vertex, "attribute highp vec4 vertex;\n" "attribute mediump mat4 matrix;\n" "void main(void)\n" "{\n" " gl_Position = matrix * vertex;\n" "}"); -program.addShader(QGLShader::FragmentShader, +program.addShaderFromSourceCode(QGLShader::Fragment, "uniform mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" "}"); program.link(); -program.enable(); +program.bind(); int vertexLocation = program.attributeLocation("vertex"); int matrixLocation = program.attributeLocation("matrix"); @@ -84,9 +84,12 @@ QColor color(0, 255, 0, 255); QMatrix4x4 pmvMatrix; pmvMatrix.ortho(rect()); +program.enableAttributeArray(vertexLocation); program.setAttributeArray(vertexLocation, triangleVertices, 3); program.setUniformValue(matrixLocation, pmvMatrix); program.setUniformValue(colorLocation, color); glDrawArrays(GL_TRIANGLES, 0, 3); + +program.disableAttributeArray(vertexLocation); //! [2] |