DirectX ‘modulate’
Call
- IDirect3DDevice->(0, D3DTSSCOLOROP, D3DTOP_MODULATE);
Tells DirectX to blend texture pixels with underlying material pixels using the formula
- Final RGBA = Texture RGBA X Material RGBA
Also has
- MODULATE2X, MODULATE4X, ADD, ADDSIGNED, ADDSIGNED2X, SUBTRACT, ADDSMOOTH, D3DTOP_BLENDDIFFUSEALPHA, D3DTOP_BLENDTEXTUREALPHA, D3DTOP_BLENDFACTORALPHA, D3DTOP_BLENDCURRENTALPHA, BLENDTEXTUREALPHAPM , MODULATECOLOR_ADDALPHA, MODULATEINVALPHA_ADDCOLOR, MODULATEINVCOLOR_ADDALPHA, BUMPENVMAP, BUMPENVMAPLUMINANCE and DOTPRODUCT3.