Bon voila, j'aimerais faire une optimisation pour HL2 car ma CG est une geforce fx 5900 xt, j'ai trouvé ca, mais franchement je vais faire simple, j'ai rien compris.. :
Large Performance Boost for Nvidia Cards
 
According to this thread on the HardOCP Forums, there is a method of forcing lower precision levels in the DX9 shaders used in Half Life 2, thereby boosting performance and fixing any water bugs visible on some Nvidia cards when DX9 is enabled.
 
The method involves downloading this program: 3DAnalyze, installing it and launching it and then following these instructions:
 
1. Select HL2.exe file in half-life 2 folder
2. Select any file inside the folder half-life 2\bin
3. Select Steam.exe than check these options:
- Under the section Pixel and Vertex Shader: FORCE LOW PRECISION PIXEL SHADER
- Under the section Remove Stuttering: PERFORMANCE MODE
- On the bottom left: FORCE HOOK.DLL
Type in the section DIRECTX DEVICE ID'S the ATI Vendor and Device ID, there are just two devices though.
 
Quelqu'un pourrait-il m'aider?  

up syouplé....

Qu'est-ce que tu ne comprends pas ? Tu as téléchargé 3DAnalyze ?

Il y a un topic HL2 Performances pour ce genre de questions (merci de lire les topics en haut du forum)