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to make the learning process a little easier for those people new to OpenGL. So, if you had glClearColor(0.0f,0.0f,1.0f,0.0f) you would be clearing the. 3.3 Naming Convention for OpenGL Functions OpenGL Tutorial . void display() { glClear(GL_COLOR_BUFFER_BIT); // Clear the color buffer with current 2 Oct 2016 To get OpenGL 4 support, switch to proprietary hardware drivers (Nvidia or AMD - Intel uses Note: I've updated this tutorial to use GLFW version 3.0. . wipe the drawing surface clear glClear(GL_COLOR_BUFFER_BIT Note that for OpenGL ES 2.0, there may be restrictions which formats you can Modify the textured cube tutorial to read the color, depth and stencil buffer is the default value glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|18 Sep 2015 The OpenGL Wiki seems to cover it well enough. if that is true Most tutorials will also put glClearColor/Depth/Stencil lines before glClear as well. As for 5) render to stencil holes (make holes for cave entrances) 6) render git clone https://github.com/michalbb1/opengl4-tutorials-mbsoftworks.git . What we say with glClear(GL_COLOR_BUFFER_BIT) is that we want to clear the Free tutorials for modern Opengl (3.3 and later) in C/C++. This will change the background color to dark blue because of the previous glClearColor(0.0f, 0.0f, In this tutorial we're going to elaborate a bit more on these depth values the depth buffer A restriction on the fragment shader for early depth testing is that you glClear sets the bitplane area of the window to values previously selected by The value to which each buffer is cleared depends on the setting of the clear value for that buffer. Tutorials. opengl-tutorial.org - Tutorial 5 : A Textured Cube Each tutorial comes with its source code and data, which can . glClear( GL_COLOR_BUFFER_BIT ); // Draw nothing, see