diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/treeF.glsl')
| -rwxr-xr-x[-rw-r--r--] | indra/newview/app_settings/shaders/class1/deferred/treeF.glsl | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl index 1c1725a95c..808750496f 100644..100755 --- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl @@ -2,18 +2,57 @@ * @file treeF.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 * $/LicenseInfo$ */ +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_data[3]; +#else +#define frag_data gl_FragData +#endif + uniform sampler2D diffuseMap; -varying vec3 vary_normal; +VARYING vec4 vertex_color; +VARYING vec3 vary_normal; +VARYING vec2 vary_texcoord0; + +uniform float minimum_alpha; + +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} void main() { - vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy); - gl_FragData[0] = vec4(gl_Color.rgb*col.rgb, col.a <= 0.5 ? 0.0 : 0.005); - gl_FragData[1] = vec4(0,0,0,0); + vec4 col = texture2D(diffuseMap, vary_texcoord0.xy); + if (col.a < minimum_alpha) + { + discard; + } + + frag_data[0] = vec4(vertex_color.rgb*col.rgb, 0.0); + frag_data[1] = vec4(0,0,0,0); vec3 nvn = normalize(vary_normal); - gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); } |