diff options
author | Todd Stinson <stinson@lindenlab.com> | 2011-12-13 11:15:18 -0800 |
---|---|---|
committer | Todd Stinson <stinson@lindenlab.com> | 2011-12-13 11:15:18 -0800 |
commit | 9d1db4f19ae7ca044e47d0fe4e605e14882351c5 (patch) | |
tree | 2d499d53b60b2486f1e6666f8b9fe2063f984d22 /indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl | |
parent | 817c97c2f836948f210599a6f67e36a411b22c21 (diff) | |
parent | dbc91a7fac9513bdd879c5c2dc82208e08eaad2d (diff) |
Pull and merge from https://bitbucket.org/lindenlab/viewer-development.
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl b/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl deleted file mode 100644 index 616ea5fe9e..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/giDownsampleF.glsl +++ /dev/null @@ -1,106 +0,0 @@ -/** - * @file giDownsampleF.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 - * $/LicenseInfo$ - */ - - - -uniform sampler2DRect giLightMap; - -uniform vec2 kern[32]; -uniform float dist_factor; -uniform float blur_size; -uniform vec2 delta; -uniform int kern_length; -uniform float kern_scale; -uniform vec3 blur_quad; - -varying vec2 vary_fragcoord; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} - -float getDepth(vec2 pos_screen) -{ - float z = texture2DRect(depthMap, pos_screen.xy).a; - z = z*2.0-1.0; - vec4 ndc = vec4(0.0, 0.0, z, 1.0); - vec4 p = inv_proj*ndc; - return p.z/p.w; -} - -void main() -{ - vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - float depth = getDepth(vary_fragcoord.xy); - - vec3 ccol = texture2DRect(giLightMap, vary_fragcoord.xy).rgb; - vec2 dlt = kern_scale * delta/(vec2(1.0,1.0)+norm.xy*norm.xy); - dlt /= clamp(-depth*blur_quad.x, 1.0, 3.0); - float defined_weight = kern[0].x; - vec3 col = ccol*kern[0].x; - - for (int i = 0; i < kern_length; i++) - { - vec2 tc = vary_fragcoord.xy + kern[i].y*dlt; - vec3 sampNorm = texture2DRect(normalMap, tc.xy).xyz; - sampNorm = vec3((sampNorm.xy-0.5)*2.0,sampNorm.z); // unpack norm - - float d = dot(norm.xyz, sampNorm); - - if (d > 0.5) - { - float sampdepth = getDepth(tc.xy); - sampdepth -= depth; - if (sampdepth*sampdepth < blur_quad.z) - { - col += texture2DRect(giLightMap, tc).rgb*kern[i].x; - defined_weight += kern[i].x; - } - } - } - - col /= defined_weight; - - //col = ccol; - - col = col*blur_quad.y; - - gl_FragData[0].xyz = col; - - //gl_FragColor = ccol; -} |