贴上很有价值的这张表
| API Call | Average number of Cycles |
|---|---|
| SetVertexDeclaration | 6500 - 11250 |
| SetFVF | 6400 - 11200 |
| SetVertexShader | 3000 - 12100 |
| SetPixelShader | 6300 - 7000 |
| SPECULARENABLE | 1900 - 11200 |
| SetRenderTarget | 6000 - 6250 |
| SetPixelShaderConstant (1 Constant) | 1500 - 9000 |
| NORMALIZENORMALS | 2200 - 8100 |
| LightEnable | 1300 - 9000 |
| SetStreamSource | 3700 - 5800 |
| LIGHTING | 1700 - 7500 |
| DIFFUSEMATERIALSOURCE | 900 - 8300 |
| AMBIENTMATERIALSOURCE | 900 - 8200 |
| COLORVERTEX | 800 - 7800 |
| SetLight | 2200 - 5100 |
| SetTransform | 3200 - 3750 |
| SetIndices | 900 - 5600 |
| AMBIENT | 1150 - 4800 |
| SetTexture | 2500 - 3100 |
| SPECULARMATERIALSOURCE | 900 - 4600 |
| EMISSIVEMATERIALSOURCE | 900 - 4500 |
| SetMaterial | 1000 - 3700 |
| ZENABLE | 700 - 3900 |
| WRAP0 | 1600 - 2700 |
| MINFILTER | 1700 - 2500 |
| MAGFILTER | 1700 - 2400 |
| SetVertexShaderConstant (1 Constant) | 1000 - 2700 |
| COLOROP | 1500 - 2100 |
| COLORARG2 | 1300 - 2000 |
| COLORARG1 | 1300 - 1980 |
| CULLMODE | 500 - 2570 |
| CLIPPING | 500 - 2550 |
| DrawIndexedPrimitive | 1200 - 1400 |
| ADDRESSV | 1090 - 1500 |
| ADDRESSU | 1070 - 1500 |
| DrawPrimitive | 1050 - 1150 |
| SRGBTEXTURE | 150 - 1500 |
| STENCILMASK | 570 - 700 |
| STENCILZFAIL | 500 - 800 |
| STENCILREF | 550 - 700 |
| ALPHABLENDENABLE | 550 - 700 |
| STENCILFUNC | 560 - 680 |
| STENCILWRITEMASK | 520 - 700 |
| STENCILFAIL | 500 - 750 |
| ZFUNC | 510 - 700 |
| ZWRITEENABLE | 520 - 680 |
| STENCILENABLE | 540 - 650 |
| STENCILPASS | 560 - 630 |
| SRCBLEND | 500 - 685 |
| Two_Sided_StencilMODE | 450 - 590 |
| ALPHATESTENABLE | 470 - 525 |
| ALPHAREF | 460 - 530 |
| ALPHAFUNC | 450 - 540 |
| DESTBLEND | 475 - 510 |
| COLORWRITEENABLE | 465 - 515 |
| CCW_STENCILFAIL | 340 - 560 |
| CCW_STENCILPASS | 340 - 545 |
| CCW_STENCILZFAIL | 330 - 495 |
| SCISSORTESTENABLE | 375 - 440 |
| CCW_STENCILFUNC | 250 - 480 |
| SetScissorRect | 150 - 340 |