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Tag Archives: OpenGL
OpenGL weirdness
Try this: and render your display list. Then, try this: I don’t know if its my graphics drivers, or graphics card or perhaps just me, but the top code maxed out at 60 fps while the bottom code ran at … Continue reading
2D in OpenGL
After some experimentation, I have finally come to a point where I have written some code that does scaling, rotation and alpha on images that I want to display on the screen. Although the concept of drawing 2D in OpenGL … Continue reading
Vertex Buffer Objects
In my last post I mentioned that if you wanted to draw a large number of things on a screen, you need VBOs. Well, honestly at the time, I only knew what it was but never touched it before. VBOs … Continue reading
Posted in Graphics, Programming
Tagged buffer, enhancement, intermediate mode, objects, OpenGL, performance, vbo, vertex
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Playing with GLSL
After puzzling some time over the tutorials in Lighthouse3D, I finally learned how to prepare a GLSL shader and use it in an OpenGL render. In the beginning I thought a shader could be used on a particular set of … Continue reading
Posted in Graphics, Programming
Tagged example, glsl, intermediate mode, OpenGL, simple
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