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/**
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __RAS_I2DFILTER
#define __RAS_I2DFILTER
#define MAX_RENDER_PASS 100
class RAS_2DFilterManager
{
private:
unsigned int CreateShaderProgram(char* shadersource);
unsigned int CreateShaderProgram(int filtermode);
void StartShaderProgram(unsigned int shaderprogram);
void EndShaderProgram();
float textureoffsets[18];
float view[4];
unsigned int texname;
int texturewidth;
int textureheight;
int canvaswidth;
int canvasheight;
int numberoffilters;
bool isshadersupported;
public:
enum RAS_2DFILTER_MODE {
RAS_2DFILTER_ENABLED = -2,
RAS_2DFILTER_DISABLED = -1,
RAS_2DFILTER_NOFILTER = 0,
RAS_2DFILTER_MOTIONBLUR,
RAS_2DFILTER_BLUR,
RAS_2DFILTER_SHARPEN,
RAS_2DFILTER_DILATION,
RAS_2DFILTER_EROSION,
RAS_2DFILTER_LAPLACIAN,
RAS_2DFILTER_SOBEL,
RAS_2DFILTER_PREWITT,
RAS_2DFILTER_GRAYSCALE,
RAS_2DFILTER_SEPIA,
RAS_2DFILTER_INVERT,
RAS_2DFILTER_CUSTOMFILTER,
RAS_2DFILTER_NUMBER_OF_FILTERS
};
unsigned int m_filters[MAX_RENDER_PASS];
short m_enabled[MAX_RENDER_PASS];
RAS_2DFilterManager();
~RAS_2DFilterManager();
void SetupTexture();
void UpdateOffsetMatrix(int width, int height);
void RenderFilters(RAS_ICanvas* canvas);
void EnableFilter(RAS_2DFILTER_MODE mode, int pass, STR_String& text);
};
#endif
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