Pipelining the Blend Operation

Recall blend: Sc * Sf + Dc * Df

Sc = incoming fragment color, Dc = Framebuffer color

Sf = Source factor, Df = Destination factor

Pipelining of Blend stage (two clocks):

Clk j: Tmp = Sc * Sf , Old result = result

old_address = address

address = new_address

Dc = Read Framebuffer(address)

Clk j+1: result = Tmp + Dc * Df

Write Framebuffer (old_address,old Result)

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