diff options
Diffstat (limited to 'source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h')
-rw-r--r-- | source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h | 44 |
1 files changed, 44 insertions, 0 deletions
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..29cc91814ce --- /dev/null +++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_GrayScale2DFilter.h @@ -0,0 +1,44 @@ +/** + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef __RAS_GRAYSCALE2DFILTER +#define __RAS_GRAYSCALE2DFILTER + +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 |