Image Adjustment Pack

Author:	woei
Date:	28 Jan, 2011
Category:	effect

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0-ImageAdjustmentPack_v1.zip

28 Jan, 2011 - 15:17

Description

pixelshader functions resource

v1 includes:

Invert
Contrast
Saturation: Greyscale & Saturation
Levels
Tonecurves
LumaMatte: Luma & Inverse Luma
ColorMatte

maybe a bunch of single effects, which are combining differnt functions can be avoided this way...

feedback and tell me whats missing, plz

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Please create a new topic in the vvvv beta forum to discuss this contribution.

Nice collection to "chrush some blacks" :)

And big thumbs up for the Mattes!!

very usefull ;)

thx for the flowers, guys!

any suggestions, what's missing for the basics? or other feedback?

Spreadable key-colors would be funny. what is a .FXH vs a .FX ??

And the Hue/Saturation filter, with colorize function, like in Photoshop is something I could use.

actually you can do the spreading of keycolors yourself. thats why its a FXH.

there simple functions wrapped in these fxh files. so if you for example need a shader to control saturation, contrast and then keying out the green, you don't need to copy paste everything together but just include the .fxh and call the functions like:

#include "path/Saturation.fxh"
#include "path/Contrast.fxh"
#include "path/ColorMatte.fxh"```
and in the pixelshader

float4 col=tex2d(Samp,In.TexCd) col = Saturation(col); col = Contrast(col); col.a=ColorMatte(col); return col;``` hope is, that this could prevent a lot of similar shaders (f)lying around

Create Work, Create Help, Thanx

Create contibution. Thanks! I try to create an allinOne FX but with no result...

An idea? Thanks a lot

//@author: woei
//@help: greyscale conversion function and saturation adjustment per channel
//@tags: greyscale, saturation, color correction, image adjustment, pixelshader

// --------------------------------------------------------------------------------------------------
// PARAMETERS:
// --------------------------------------------------------------------------------------------------

//transforms
float4x4 tW: WORLD;        //the models world matrix
float4x4 tV: VIEW;         //view matrix as set via Renderer (EX9)
float4x4 tP: PROJECTION;
float4x4 tWVP: WORLDVIEWPROJECTION;

//texture
texture Tex <string uiname="Texture";>;
sampler Samp = sampler_state    //sampler for doing the texture-lookup
{
    Texture   = (Tex);          //apply a texture to the sampler
    MipFilter = Linear;         //sampler states
    MinFilter = Linear;
    MagFilter = Linear;
};

//texture transformation marked with semantic TEXTUREMATRIX to achieve symmetric transformations
float4x4 tTex: TEXTUREMATRIX <string uiname="Texture Transform";>;

#include "Contrast.fxh"
#include "Invert.fxh"
#include "Levels.fxh"
#include "Saturation.fxh"
#include "Tonecurve.fxh"

//the data structure: "vertexshader to pixelshader"
//used as output data with the VS function
//and as input data with the PS function
struct vs2ps
{
    float4 Pos  : POSITION;
    float2 TexCd : TEXCOORD0;
};

// --------------------------------------------------------------------------------------------------
// VERTEXSHADERS
// --------------------------------------------------------------------------------------------------
vs2ps VS(
    float4 PosO  : POSITION,
    float4 TexCd : TEXCOORD0)
{
    //declare output struct
    vs2ps Out;

    //transform position
    Out.Pos = mul(PosO, tWVP);

    //transform texturecoordinates
    Out.TexCd = mul(TexCd, tTex);

    return Out;
}

// --------------------------------------------------------------------------------------------------
// PIXELSHADERS:
// --------------------------------------------------------------------------------------------------
float4 PS(vs2ps In): COLOR
{
    float4 col = tex2d(Samp, In.TexCd);
	col = Contrast(col);
	col = Invert(col);
	col = Levels(col);
	col = Saturation(col);
	col = Tonecurve(col);
	return col;
}

// --------------------------------------------------------------------------------------------------
// TECHNIQUES:
// --------------------------------------------------------------------------------------------------

technique TFX
{
    pass P0
    {
        VertexShader = compile vs_1_1 VS();
        PixelShader  = compile ps_1_0 GREY();
    }
}

technique TFixedFunction
{
    pass P0
    {
        //transforms
        WorldTransform<0>   = (tW);
        ViewTransform       = (tV);
        ProjectionTransform = (tP);

        //texturing
        Sampler<0> = (Samp);
        TextureTransform<0> = (tTex);
        TexCoordIndex<0> = 0;
        TextureTransformFlags<0> = COUNT2;
        //Wrap0 = U;  // useful when mesh is round like a sphere
        
        Lighting       = FALSE;

        //shaders
        VertexShader = NULL;
        PixelShader  = NULL;
    }
}

@deby: whats the error in the editor? are the fxh files positioned beside the fx you are editing? and you probably have to switch to shader model 2.0 at least. (technique -> pass p0 -> PixelShader...)

Hello woei, the error appears here:

float4 PS(vs2ps In): COLOR { float4 col = tex2d(Samp, In.TexCd); col = Contrast(col); col = Invert(col); col = Levels(col); col = Saturation(col); col = Tonecurve(col); return col; } the fxh files are in the same directory as the pixelshader. I am totally beginner in programming pixelshader...

@deby: which line exactly does the error appear? and did you set the shader model in the technique to 2.0 or 3.0?

Hello woei, Can you help me? All nodes in this pack don't work with DX11, but work with DX9. What could be the problem?

Pin "Technique" is red

I can give you additional if you need.

Or may be you know another good pack for working with image.

@deby: Why is your pixelshader called PS() but your pass calls GREY()?