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伪码:
pd3dDevice->SetTexture(0,pd3dTexture)
pd3dDevice->SetTextureStageState(0,D3DTSS_COLOROP,SELECTARG1)
pd3dDevice->SetTextureStageState(0,D3DTSS_COLORARG1,D3DTA_TEXTURE)
pd3dDevice->SetTextureStageState(0,D3DTSS_ALPHAOP,SELECTARG1)
pd3dDevice->SetTextureStageState(0,D3DTSS_ALPHAARG1,D3DTA_DIFFUSE)
但没看到Alpha混合效果,只有RGB颜色的混合效果,它需要硬件支持吗? |
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