| 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 |
使用D3D，我們就得知道常用的API的消耗，才能夠方便我們優(yōu)化自己的渲染器。這里給出了常用API的消耗表，可以有一個直觀的比較。
這個表也可以在D3D SDK文檔的 Accurately Profiling Direct3D API Calls (Direct3D 9) 一文中找到