diff options
Diffstat (limited to 'source/gameengine/Rasterizer/RAS_OpenGLFilters')
10 files changed, 495 insertions, 0 deletions
diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Blur2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Blur2DFilter.h new file mode 100644 index 00000000000..81821639489 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Blur2DFilter.h @@ -0,0 +1,51 @@ +/** + * ***** 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_BLUR2DFILTER +#define __RAS_BLUR2DFILTER + +const char * BlurFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + } + + gl_FragColor = (sample[0] + (2.0*sample[1]) + sample[2] + + (2.0*sample[3]) + sample[4] + (2.0*sample[5]) + + sample[6] + (2.0*sample[7]) + sample[8]) / 13.0; +} +); +#endif + diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Dilation2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Dilation2DFilter.h new file mode 100644 index 00000000000..2ee75396f42 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Dilation2DFilter.h @@ -0,0 +1,51 @@ +/** + * ***** 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_DILATION2DFILTER +#define __RAS_DILATION2DFILTER + +const char * DilationFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + vec4 maxValue = vec4(0.0); + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + maxValue = max(sample[i], maxValue); + } + + gl_FragColor = maxValue; +} +); +#endif + diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Erosion2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Erosion2DFilter.h new file mode 100644 index 00000000000..d3ce829bab0 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Erosion2DFilter.h @@ -0,0 +1,50 @@ +/** + * ***** 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_EROSION2DFILTER +#define __RAS_EROSION2DFILTER + +const char * ErosionFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + vec4 minValue = vec4(1.0); + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + minValue = min(sample[i], minValue); + } + + gl_FragColor = minValue; +} +); +#endif diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h new file mode 100644 index 00000000000..ae51308e9a4 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h @@ -0,0 +1,41 @@ +/** + * ***** 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_GRAYSCALE2DFILTER +#define __RAS_GRAYSCALE2DFILTER + +const char * GrayScaleFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; + +void main(void) +{ + vec4 texcolor = texture2D(bgl_RenderedTexture, gl_TexCoord[0].st); + float gray = dot(texcolor.rgb, vec3(0.299, 0.587, 0.114)); + gl_FragColor = vec4(gray, gray, gray, texcolor.a); +} +); +#endif diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Invert2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Invert2DFilter.h new file mode 100644 index 00000000000..f723f619f68 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Invert2DFilter.h @@ -0,0 +1,41 @@ +/** + * ***** 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_INVERT2DFILTER +#define __RAS_INVERT2DFILTER + +const char * InvertFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; + +void main(void) +{ + vec4 texcolor = texture2D(bgl_RenderedTexture, gl_TexCoord[0].st); + gl_FragColor.rgb = 1.0 - texcolor.rgb; + gl_FragColor.a = texcolor.a; +} +); +#endif diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Laplacian2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Laplacian2DFilter.h new file mode 100644 index 00000000000..bfbb40b2fc9 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Laplacian2DFilter.h @@ -0,0 +1,53 @@ +/** + * ***** 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_LAPLACION2DFILTER +#define __RAS_LAPLACION2DFILTER + +const char * LaplacionFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + } + + gl_FragColor = (sample[4] * 8.0) - + (sample[0] + sample[1] + sample[2] + + sample[3] + sample[5] + + sample[6] + sample[7] + sample[8]); + gl_FragColor = vec4(gl_FragColor.rgb, 1.0); +} +); +#endif + diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Prewitt2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Prewitt2DFilter.h new file mode 100644 index 00000000000..0cbf8a7a802 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Prewitt2DFilter.h @@ -0,0 +1,58 @@ +/** + * ***** 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_PREWITT2DFILTER +#define __RAS_PREWITT2DFILTER + +const char * PrewittFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + } + + vec4 horizEdge = sample[2] + sample[5] + sample[8] - + (sample[0] + sample[3] + sample[6]); + + vec4 vertEdge = sample[0] + sample[1] + sample[2] - + (sample[6] + sample[7] + sample[8]); + + gl_FragColor.rgb = sqrt((horizEdge.rgb * horizEdge.rgb) + + (vertEdge.rgb * vertEdge.rgb)); + gl_FragColor.a = 1.0; +} + +); +#endif + diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sepia2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sepia2DFilter.h new file mode 100644 index 00000000000..ca431af4cd7 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sepia2DFilter.h @@ -0,0 +1,41 @@ +/** + * ***** 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_SEPIA2DFILTER +#define __RAS_SEPIA2DFILTER + +const char * SepiaFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; + +void main(void) +{ + vec4 texcolor = texture2D(bgl_RenderedTexture, gl_TexCoord[0].st); + float gray = dot(texcolor.rgb, vec3(0.299, 0.587, 0.114)); + gl_FragColor = vec4(gray * vec3(1.2, 1.0, 0.8), texcolor.a); +} +); +#endif diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h new file mode 100644 index 00000000000..5a9661e2617 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h @@ -0,0 +1,52 @@ +/** + * ***** 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_SHARPEN2DFILTER +#define __RAS_SHARPEN2DFILTER + +const char * SharpenFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + } + + gl_FragColor = (sample[4] * 9.0) - + (sample[0] + sample[1] + sample[2] + + sample[3] + sample[5] + + sample[6] + sample[7] + sample[8]); +} +); +#endif + diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sobel2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sobel2DFilter.h new file mode 100644 index 00000000000..142e4f0e3d4 --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sobel2DFilter.h @@ -0,0 +1,57 @@ +/** + * ***** 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_SOBEL2DFILTER +#define __RAS_SOBEL2DFILTER + +const char * SobelFragmentShader=STRINGIFY( +uniform sampler2D bgl_RenderedTexture; +uniform vec2 bgl_TextureCoordinateOffset[9]; + +void main(void) +{ + vec4 sample[9]; + + for (int i = 0; i < 9; i++) + { + sample[i] = texture2D(bgl_RenderedTexture, + gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]); + } + + vec4 horizEdge = sample[2] + (2.0*sample[5]) + sample[8] - + (sample[0] + (2.0*sample[3]) + sample[6]); + + vec4 vertEdge = sample[0] + (2.0*sample[1]) + sample[2] - + (sample[6] + (2.0*sample[7]) + sample[8]); + + gl_FragColor.rgb = sqrt((horizEdge.rgb * horizEdge.rgb) + + (vertEdge.rgb * vertEdge.rgb)); + gl_FragColor.a = 1.0; +} +); +#endif + |