alexpete
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/*
|
|
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
|
|
* its licensors.
|
|
*
|
|
* For complete copyright and license terms please see the LICENSE at the root of this
|
|
* distribution (the "License"). All use of this software is governed by the License,
|
|
* or, if provided, by the license below or the license accompanying this file. Do not
|
|
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
*
|
|
*/
|
|
// Original file Copyright Crytek GMBH or its affiliates, used under license.
|
|
|
|
#pragma once
|
|
|
|
#include "FullscreenPass.h"
|
|
|
|
|
|
class CStretchRectPass
|
|
{
|
|
public:
|
|
void Execute(CTexture* pSrcTex, CTexture* pDestTex);
|
|
void Reset();
|
|
|
|
protected:
|
|
CFullscreenPass m_pass;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class CGaussianBlurPass
|
|
{
|
|
public:
|
|
CGaussianBlurPass()
|
|
: m_scale(FLT_MIN)
|
|
, m_distribution(FLT_MIN)
|
|
{
|
|
}
|
|
void Execute(CTexture* pTex, CTexture* pTempTex, float scale, float distribution);
|
|
void Reset();
|
|
|
|
protected:
|
|
float GaussianDistribution1D(float x, float rho);
|
|
void ComputeParams(int texWidth, int texHeight, int numSamples, float scale, float distribution);
|
|
|
|
protected:
|
|
float m_scale;
|
|
float m_distribution;
|
|
Vec4 m_paramsH[16];
|
|
Vec4 m_paramsV[16];
|
|
Vec4 m_weights[16];
|
|
|
|
CFullscreenPass m_passH;
|
|
CFullscreenPass m_passV;
|
|
};
|