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Type: Posts; User: WaywardSquanderer

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  1. Forgot to include version number and layout...

    Forgot to include version number and layout statement in shader files/strings! So does this mean the tutorial is wrong or do some shaders compile fine with
  2. Suspected fragment shader problem, No color, OpenGL 4, GLFW 3, GLEW

    I am using OpenGL 4.1, GLFW 3 and GLEW. I am trying to draw a simple triangle with the color purple.

    The triangle is drawn, the color is not.

    This code is from a tutorial, I had to update...
  3. glTexSubImage3D & GL_INVALID_OPERATION; voxelization

    I have been failing to render to a 3D texture for voxelization so I decided to go a slightly different route. I am able to create a FBO, and given a SINGLE clip plane, can render slices into the 3D...
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    Yes, the results differ between glReadPixels and...

    Yes, the results differ between glReadPixels and glGetTexImage.

    I have tested the program on a Radeon 6770M and a GeForce GTX 550 Ti, so I don't think it's a driver issue.

    I'd like to avoid the...
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    glReadPixels is correctly returning the data in...

    glReadPixels is correctly returning the data in the FBO, but this does not always end up in the 3D texture. This is why I was lead to believe that glReadPixels will give me FBO data, but not...
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    glGetTexImage & 3D textures

    I am trying to voxelize polygon meshes using a technique from Real-Time Volume Graphics p 319. The basis for this is using a FBO to render a bounding volume containing the mesh into a 3D texture. ...
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