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OPENGL QUESTIONS

Million mesh programmatically?
Million mesh programmatically?
like below fixes the issue The simplest way would be to generate a large triangle strip grid, upload it to a VBO and draw it, using the vertex shader to alter just the up coordinate. The vertex shader can also generate normals from the heightmap (or
TAG : opengl
Date : November 28 2020, 08:01 AM , By : Ken Watts
When are OpenGL object names ever zero? Or, does zero ever have semantics?
When are OpenGL object names ever zero? Or, does zero ever have semantics?
Hope that helps From the OpenGL 4.4 Core Profile Specification:
TAG : opengl
Date : November 26 2020, 01:01 AM , By : Ignas J
Logarithmic depth buffer linearization
Logarithmic depth buffer linearization
it should still fix some issue With logarithmic depth buffer, the mapping of scene (camera space) depth to values that ultimately end up in the depth buffer (0..1) is:
TAG : opengl
Date : November 25 2020, 07:22 PM , By : Vimalathithan Vijaya
Moving sideways using gluLookAt(); C++
Moving sideways using gluLookAt(); C++
I wish did fix the issue. It's unclear where all of the things you have above are happening since you didn't post all of your code and it's cut off in weird places. But if you want to move the camera left and right, it should be fairly easy. The defi
TAG : opengl
Date : November 24 2020, 03:41 PM , By : Meng-Chieh Lee
Change vertex colors in vertex buffer object
Change vertex colors in vertex buffer object
fixed the issue. Will look into that further Yes you can. Assuming you do have your data stored in a VBO, you could update select chunks of it by first binding said object and then using glBufferSubData. Take a look here. https://www.opengl.org/sdk/d
TAG : opengl
Date : November 20 2020, 01:01 AM , By : servoyguru
mix RGBA pixmap with texture
mix RGBA pixmap with texture
I wish did fix the issue. You can render to a texture with a framebuffer object (FBO).At the start of your program, create an FBO and attach the texture to it. Whenever you need to draw a stroke, bind the FBO and draw the stroke as if you were drawin
TAG : opengl
Date : November 15 2020, 06:54 AM , By : Martin Shaw
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