Texture - >setMinificationFilter( QOpenGLTexture ::Nearest) Set nearest filtering mode for texture minification Texture = new QOpenGLTexture( QImage( ":/cube.png"). Texture coordinate will be automatically interpolated on polygon faces. It transforms vertex position using MVP matrix to screen space and passes texture coordinate to fragment shader. It gets vertex data and model-view-projection matrix (MVP) as parameters. It also makes graphics pipeline more efficient because user can decide what kind of pipeline is needed for the application.įirst we have to implement vertex shader. This makes graphics pipeline very flexible but in the same time it becomes more difficult because user has to implement graphics pipeline to get even the simplest example running. Since OpenGL ES 2.0 doesn't support fixed graphics pipeline anymore it has to be implemented by ourselves. We'll start by initializing OpenGL ES 2.0 in MainWidget. Transfers polygon geometry to vertex buffer objects and draws geometries from vertex buffer objects.
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