diff options
Diffstat (limited to 'indra/newview/app_settings')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl | 56 | ||||
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/normgenV.glsl | 36 |
2 files changed, 92 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl new file mode 100644 index 0000000000..879942d8fa --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl @@ -0,0 +1,56 @@ +/** + * @file normgenF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_texture_rectangle : enable + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 gl_FragColor; +#endif + +uniform sampler2D alphaMap; + +VARYING vec2 vary_texcoord0; + +uniform float stepX; +uniform float stepY; +uniform float norm_scale; + +void main() +{ + float alpha = texture2D(alphaMap, vary_texcoord0).a; + + vec3 right = vec3(norm_scale, 0, (texture2D(alphaMap, vary_texcoord0+vec2(stepX, 0)).a-alpha)*255); + vec3 left = vec3(-norm_scale, 0, (texture2D(alphaMap, vary_texcoord0-vec2(stepX, 0)).a-alpha)*255); + vec3 up = vec3(0, -norm_scale, (texture2D(alphaMap, vary_texcoord0-vec2(0, stepY)).a-alpha)*255); + vec3 down = vec3(0, norm_scale, (texture2D(alphaMap, vary_texcoord0+vec2(0, stepY)).a-alpha)*255); + + vec3 norm = cross(right, down) + cross(down, left) + cross(left,up) + cross(up, right); + + norm = normalize(norm); + norm *= 0.5; + norm += 0.5; + + gl_FragColor = vec4(norm, alpha); +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/normgenV.glsl b/indra/newview/app_settings/shaders/class1/deferred/normgenV.glsl new file mode 100644 index 0000000000..9bceae05b7 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/normgenV.glsl @@ -0,0 +1,36 @@ +/** + * @file normgenV.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +ATTRIBUTE vec3 position; +ATTRIBUTE vec2 texcoord0; + +VARYING vec2 vary_fragcoord; +VARYING vec2 vary_texcoord0; + +void main() +{ + gl_Position = vec4(position.x*2.0-1.0, position.y*2.0-1.0, -1.0, 1.0); + vary_texcoord0 = texcoord0; +} |