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STALKER Shaders MAX - Clear Sky

TDue to on-going requests I have started to develop optimised shaders for STALKER - Clear Sky. Initial tests from the first build below have shown a 100% FPS improvement which sounds almost impossible. I have recompiled the shaders to be half the size as the original ones and have made various optimisations to improve performance.

Special thanks goes to Blaberry who has done extensive testing, benchmarking and file dumping which has made this all happen.

INSTRUCTIONS:
Step 1. FSGame.ltx

If you have not used a mod before in STALKER it is required that you enable the game data folder. To make this happen, look inside your STALKER root directory and you will find a file called fsgame.ltx. Open it up and it should be the second line you need to edit. It will appear (If you haven't edited it before) like this:

$game_data$ = false|true|$fs_root$|gamedata\

This is telling the game to ignore everything and just read the game files in the database archives. We need to change that. Change that line to appear as:

$game_data$ = true|true|$fs_root$|gamedata\

Now it will load any files you have in the gamedata folder instead of the same named files in the databases. Simple? Save and exit.

Step 2. Extracting

Extract the shader folder into your STALKER gamedata folder. If a shader folder already exists, delete it to ensure compatibility.

FAQ:

I keep getting the error "Your video card doesn't support Pixel Shader 1.1 or higher"
There are three causes for that error to show up:
1. You did not configure ShaderSettings.txt properly and caused an error
2. You installed over the top of a conflicting mod and it somehow bugged out instead of replacing the existing shaders
3. I could have broken a shader file

So how do I go about fixing that?
Here are the solutions to the above scenarios:
1. Try either rolling back your ShaderSettings.txt file or restoring a preset or the original ShaderSettings.txt from the mod
2. Delete the current shader folder located in gamedata/shaders then replace it with the contents of this mod
3.
If you can't figure out how to fix the problem, go to %AppData%\XRay Engine\reports and email me the crash ZIP file at Kingo64@gmail.com

The shaders are reducing my framerate instead of increasing it, why?
This problem occurs to half the users due to an unknown reason. To combat this problem, try opening ShaderSettings.txt and playing with the performance/compatibility switches under Advanced.

Special thanks to shauntp for gifting me Clear Sky, allowing production of the mod :D 
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- Added optional ATI fix - Added optional half-precision shaders  318k v. 1 29 Dec 2012, 04:41 Alex Martuccio
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Fixed crashes and finalised DirectX 10.  112k v. 2 15 Dec 2010, 16:26 Alex Martuccio
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Experimental STALKER Shaders MAX for Clear Sky. This version only includes the DirectX 10 libraries and shaders.  111k v. 2 13 Dec 2010, 00:48 Alex Martuccio
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Here's an early release as a Christmas gift. Updates to DirectX 9 have been included so expect a bit more performance.  220k v. 2 27 Dec 2010, 20:20 Alex Martuccio
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Started working on the DirectX 9 files. Also I added a file called ShaderSettings.txt in which you can edit the settings.   228k v. 2 23 Dec 2010, 22:55 Alex Martuccio
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Fixed a bug with custom shadow maps in DX10 because I am an idiot.  188k v. 3 18 Feb 2011, 14:39 Alex Martuccio
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Finished up the DirectX 9 files.  188k v. 2 27 Dec 2010, 21:10 Alex Martuccio
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Fixed SSAO HBAO causing crashes.  188k v. 2 12 May 2011, 01:22 Alex Martuccio
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Fixed graphical buffer optimisations causing crashes  188k v. 2 5 Jul 2011, 23:23 Alex Martuccio
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Included some optional features from Float 32 v0.5 and improved some shaders.  188k v. 2 19 Feb 2011, 15:20 Alex Martuccio
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Completely overhauled all of the old files and eradicated all known crashes/bugs. Also full DirectX 8 support has been added.  234k v. 2 20 May 2012, 21:56 Alex Martuccio
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Improved documentation on ATI shader fix in DirectX 9  235k v. 2 19 Dec 2012, 03:34 Alex Martuccio
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- Saturation/Contrast filters for DX9/10 - Custom bloom/HDR settings for DX9/10 - Fixed DX10 HDAO from crashing - Slight optimisations to DX8 - Cleaned up ShaderSettings.txt  235k v. 3 17 Dec 2012, 23:24 Alex Martuccio
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