diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl | 141 |
1 files changed, 65 insertions, 76 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl index f6b0402bb9..18d451bf87 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl @@ -2,84 +2,52 @@ * @file postDeferredF.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 -uniform sampler2DRect diffuseRect; -uniform sampler2DRect edgeMap; -uniform sampler2DRect depthMap; -uniform sampler2DRect normalMap; -uniform sampler2D bloomMap; +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 gl_FragColor; +#endif -uniform float depth_cutoff; -uniform float norm_cutoff; -uniform float focal_distance; -uniform float blur_constant; -uniform float tan_pixel_angle; -uniform float magnification; +uniform sampler2DRect diffuseRect; uniform mat4 inv_proj; uniform vec2 screen_res; +uniform float max_cof; +uniform float res_scale; -varying vec2 vary_fragcoord; - -float getDepth(vec2 pos_screen) -{ - float z = texture2DRect(depthMap, pos_screen.xy).r; - 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; -} +VARYING vec2 vary_fragcoord; -float calc_cof(float depth) +void dofSample(inout vec4 diff, inout float w, float min_sc, vec2 tc) { - float sc = abs(depth-focal_distance)/-depth*blur_constant; - - sc /= magnification; - - // tan_pixel_angle = pixel_length/-depth; - float pixel_length = tan_pixel_angle*-focal_distance; - - sc = sc/pixel_length; - sc *= 1.414; - - return sc; -} - -void dofSampleNear(inout vec4 diff, inout float w, float cur_sc, vec2 tc) -{ - float d = getDepth(tc); - - float sc = calc_cof(d); - - float wg = 0.25; - vec4 s = texture2DRect(diffuseRect, tc); - // de-weight dull areas to make highlights 'pop' - wg += s.r+s.g+s.b; - - diff += wg*s; - - w += wg; -} -void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, vec2 tc) -{ - float d = getDepth(tc); - - float sc = calc_cof(d); - - if (sc > min_sc //sampled pixel is more "out of focus" than current sample radius - || d < cur_depth) //sampled pixel is further away than current pixel + float sc = abs(s.a*2.0-1.0)*max_cof; + + if (sc > min_sc) //sampled pixel is more "out of focus" than current sample radius { float wg = 0.25; - vec4 s = texture2DRect(diffuseRect, tc); // de-weight dull areas to make highlights 'pop' wg += s.r+s.g+s.b; @@ -89,30 +57,35 @@ void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, ve } } +void dofSampleNear(inout vec4 diff, inout float w, float min_sc, vec2 tc) +{ + vec4 s = texture2DRect(diffuseRect, tc); + + float wg = 0.25; + + // de-weight dull areas to make highlights 'pop' + wg += s.r+s.g+s.b; + + diff += wg*s; + + w += wg; +} void main() { - vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm - vec2 tc = vary_fragcoord.xy; - float depth = getDepth(tc); - vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy); { float w = 1.0; - float sc = calc_cof(depth); - sc = min(abs(sc), 10.0); - - float fd = depth*0.5f; - + float sc = (diff.a*2.0-1.0)*max_cof; + float PI = 3.14159265358979323846264; // sample quite uniformly spaced points within a circle, for a circular 'bokeh' - //if (depth < focal_distance) + if (sc > 0.5) { while (sc > 0.5) { @@ -123,15 +96,31 @@ void main() float samp_x = sc*sin(ang); float samp_y = sc*cos(ang); // you could test sample coords against an interesting non-circular aperture shape here, if desired. - dofSample(diff, w, sc, depth, vary_fragcoord.xy + vec2(samp_x,samp_y)); + dofSampleNear(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y)); } sc -= 1.0; } } - + else if (sc < -0.5) + { + sc = abs(sc); + while (sc > 0.5) + { + int its = int(max(1.0,(sc*3.7))); + for (int i=0; i<its; ++i) + { + float ang = sc+i*2*PI/its; // sc is added for rotary perturbance + float samp_x = sc*sin(ang); + float samp_y = sc*cos(ang); + // you could test sample coords against an interesting non-circular aperture shape here, if desired. + dofSample(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y)); + } + sc -= 1.0; + } + } + diff /= w; } - vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res); - gl_FragColor = diff + bloom; + gl_FragColor = diff; } |