diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/blurLightMSF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/blurLightMSF.glsl | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightMSF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightMSF.glsl deleted file mode 100644 index c858eb7a3a..0000000000 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightMSF.glsl +++ /dev/null @@ -1,131 +0,0 @@ -/** - * @file blurLightF.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 -#extension GL_ARB_texture_multisample : enable - -uniform sampler2DMS depthMap; -uniform sampler2DMS normalMap; -uniform sampler2DRect lightMap; - -uniform float dist_factor; -uniform float blur_size; -uniform vec2 delta; -uniform vec3 kern[4]; -uniform float kern_scale; - -varying vec2 vary_fragcoord; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -vec3 texture2DMS3(sampler2DMS tex, ivec2 tc) -{ - vec3 ret = vec3(0,0,0); - for (int i = 0; i < samples; i++) - { - ret += texelFetch(tex, tc, i).rgb; - } - - return ret/samples; -} - -float texture2DMS1(sampler2DMS tex, ivec2 tc) -{ - float ret = 0; - for (int i = 0; i < samples; i++) - { - ret += texelFetch(tex, tc, i).r; - } - - return ret/samples; -} - -vec4 getPosition(ivec2 pos_screen) -{ - float depth = texture2DMS1(depthMap, pos_screen.xy); - 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; -} - -void main() -{ - vec2 tc = vary_fragcoord.xy; - ivec2 itc = ivec2(tc); - - vec3 norm = texture2DMS3(normalMap, itc).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - vec3 pos = getPosition(itc).xyz; - vec4 ccol = texture2DRect(lightMap, tc).rgba; - - vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); - dlt /= max(-pos.z*dist_factor, 1.0); - - vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' - vec4 col = defined_weight.xyxx * ccol; - - // relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances - float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005; - - // perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large - tc += ( (mod(tc.x+tc.y,2) - 0.5) * kern[1].z * dlt * 0.5 ); - - for (int i = 1; i < 4; i++) - { - vec2 samptc = tc + kern[i].z*dlt; - vec3 samppos = getPosition(ivec2(samptc)).xyz; - float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - if (d*d <= pointplanedist_tolerance_pow2) - { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; - } - } - for (int i = 1; i < 4; i++) - { - vec2 samptc = vec2(tc - kern[i].z*dlt); - vec3 samppos = getPosition(ivec2(samptc)).xyz; - float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane - if (d*d <= pointplanedist_tolerance_pow2) - { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; - } - } - - col /= defined_weight.xyxx; - col.y *= col.y; - - gl_FragColor = col; -} - |