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blend matrix
The full grid of ways a new pixel colour can be mathematically combined with the colour already on screen.
When a graphics pipeline draws a semi-transparent or additive effect, it mixes the incoming fragment colour with what is already in the framebuffer using a chosen source factor, destination factor, and combine operation. The blend matrix is the complete set of those factor/operation combinations a renderer claims to support. Advertising the whole matrix means every legal blend mode in the spec actually works, not just the common ones.
See also
- blendingMixing a newly drawn pixel's colour with the colour already sitting in the framebuffer, instead of overwriting it.
- framebufferA framebuffer is the block of memory holding the image being rendered, essentially the picture that becomes the screen.