I'm experiencing a strange problem using OpenGL SampleAlphaToCoverage mode. There are rendering artifacts when using alpha-blending on pixels that have been rendered using alpha-to-coverage - and I ...
Using OpenGL1.1 (sadly) I'm trying to draw a cube, which is colored and alpha blended. It is instead showing up as opaque black. Even without including alpha in the color it still shows up as opaque ...
I want to blend two images. I have a brick wall and I want to subtract a grey scale. I do not want to do this in the pixel shader. This is what I want in the picture. My blend code is: ...
I'm currently creating a voxel game like Minecraft. To display the damage of blocks, I want to combine the alpha channel of one part of my texture map with the actual texture (like Minecraft does), ...