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我了解顶点位置的“xyz”组件,但“w”有什么作用?它可以一直保持相同的常数值吗?
例子:
mov op.xyz, va0.xyz mov op.w vc0.w
我对 flash 不熟悉,但您似乎正在处理同质坐标。如果您只处理顶点,则将其保留为 1 应该没问题。