From ccd04cd66c0a550694fefe41042ef47466780a92 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 18 Jun 2013 17:24:21 -0500 Subject: Occlusion culling overhaul. --- .../shaders/class1/deferred/blurLightF.glsl | 94 +++++++++++----------- .../shaders/class1/interface/downsampleDepthF.glsl | 67 +++++++++++++++ .../class1/interface/downsampleDepthRectF.glsl | 67 +++++++++++++++ .../shaders/class1/interface/downsampleDepthV.glsl | 59 ++++++++++++++ 4 files changed, 240 insertions(+), 47 deletions(-) create mode 100644 indra/newview/app_settings/shaders/class1/interface/downsampleDepthF.glsl create mode 100644 indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl create mode 100644 indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl (limited to 'indra/newview/app_settings/shaders') diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index 589ace086d..968a5f6b3d 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -46,11 +46,6 @@ VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; uniform vec2 screen_res; -vec3 getKern(int i) -{ - return kern[i]; -} - vec4 getPosition(vec2 pos_screen) { float depth = texture2DRect(depthMap, pos_screen.xy).r; @@ -64,38 +59,38 @@ vec4 getPosition(vec2 pos_screen) return pos; } -#ifdef SINGLE_FP_ONLY -vec2 encode_normal(vec3 n) -{ - vec2 sn; - sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f); - return sn; -} - -vec3 decode_normal (vec2 enc) -{ - vec3 n; - n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f); - n.z = sqrt(1.0f - dot(n.xy,n.xy)); - return n; -} -#else -vec2 encode_normal(vec3 n) -{ - float f = sqrt(8 * n.z + 8); - return n.xy / f + 0.5; -} - -vec3 decode_normal (vec2 enc) -{ - vec2 fenc = enc*4-2; - float f = dot(fenc,fenc); - float g = sqrt(1-f/4); - vec3 n; - n.xy = fenc*g; - n.z = 1-f/2; - return n; -} +#ifdef SINGLE_FP_ONLY +vec2 encode_normal(vec3 n) +{ + vec2 sn; + sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f); + return sn; +} + +vec3 decode_normal (vec2 enc) +{ + vec3 n; + n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f); + n.z = sqrt(1.0f - dot(n.xy,n.xy)); + return n; +} +#else +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} + +vec3 decode_normal (vec2 enc) +{ + vec2 fenc = enc*4-2; + float f = dot(fenc,fenc); + float g = sqrt(1-f/4); + vec3 n; + n.xy = fenc*g; + n.z = 1-f/2; + return n; +} #endif void main() @@ -110,7 +105,7 @@ void main() vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); dlt /= max(-pos.z*dist_factor, 1.0); - vec2 defined_weight = getKern(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' + 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 @@ -120,28 +115,33 @@ void main() float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2) tc_mod -= floor(tc_mod); tc_mod *= 2.0; - tc += ( (tc_mod - 0.5) * getKern(1).z * dlt * 0.5 ); + tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 ); for (int i = 1; i < 4; i++) { - vec2 samptc = tc + getKern(i).z*dlt; - vec3 samppos = getPosition(samptc).xyz; + vec2 samptc = tc + kern[i].z*dlt; + vec3 samppos = getPosition(samptc).xyz; + float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane + if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*getKern(i).xyxx; - defined_weight += getKern(i).xy; + col += texture2DRect(lightMap, samptc)*kern[i].xyxx; + defined_weight += kern[i].xy; } } + for (int i = 1; i < 4; i++) { - vec2 samptc = tc - getKern(i).z*dlt; - vec3 samppos = getPosition(samptc).xyz; + vec2 samptc = tc - kern[i].z*dlt; + vec3 samppos = getPosition(samptc).xyz; + float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane + if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*getKern(i).xyxx; - defined_weight += getKern(i).xy; + col += texture2DRect(lightMap, samptc)*kern[i].xyxx; + defined_weight += kern[i].xy; } } diff --git a/indra/newview/app_settings/shaders/class1/interface/downsampleDepthF.glsl b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthF.glsl new file mode 100644 index 0000000000..6523a06d22 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthF.glsl @@ -0,0 +1,67 @@ +/** + * @file debugF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2D depthMap; + +uniform float delta; + +VARYING vec2 tc0; +VARYING vec2 tc1; +VARYING vec2 tc2; +VARYING vec2 tc3; +VARYING vec2 tc4; +VARYING vec2 tc5; +VARYING vec2 tc6; +VARYING vec2 tc7; +VARYING vec2 tc8; + +void main() +{ + vec4 depth1 = + vec4(texture2D(depthMap, tc0).r, + texture2D(depthMap, tc1).r, + texture2D(depthMap, tc2).r, + texture2D(depthMap, tc3).r); + + vec4 depth2 = + vec4(texture2D(depthMap, tc4).r, + texture2D(depthMap, tc5).r, + texture2D(depthMap, tc6).r, + texture2D(depthMap, tc7).r); + + depth1 = min(depth1, depth2); + float depth = min(depth1.x, depth1.y); + depth = min(depth, depth1.z); + depth = min(depth, depth1.w); + depth = min(depth, texture2D(depthMap, tc8).r); + + gl_FragDepth = depth; +} diff --git a/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl new file mode 100644 index 0000000000..2f89b8ed72 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl @@ -0,0 +1,67 @@ +/** + * @file debugF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2DRect depthMap; + +uniform float delta; + +VARYING vec2 tc0; +VARYING vec2 tc1; +VARYING vec2 tc2; +VARYING vec2 tc3; +VARYING vec2 tc4; +VARYING vec2 tc5; +VARYING vec2 tc6; +VARYING vec2 tc7; +VARYING vec2 tc8; + +void main() +{ + vec4 depth1 = + vec4(texture2DRect(depthMap, tc0).r, + texture2DRect(depthMap, tc1).r, + texture2DRect(depthMap, tc2).r, + texture2DRect(depthMap, tc3).r); + + vec4 depth2 = + vec4(texture2DRect(depthMap, tc4).r, + texture2DRect(depthMap, tc5).r, + texture2DRect(depthMap, tc6).r, + texture2DRect(depthMap, tc7).r); + + depth1 = min(depth1, depth2); + float depth = min(depth1.x, depth1.y); + depth = min(depth, depth1.z); + depth = min(depth, depth1.w); + depth = min(depth, texture2DRect(depthMap, tc8).r); + + gl_FragDepth = depth; +} diff --git a/indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl new file mode 100644 index 0000000000..71d80911d6 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl @@ -0,0 +1,59 @@ +/** + * @file debugV.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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 mat4 modelview_projection_matrix; + +ATTRIBUTE vec3 position; + +uniform vec2 screen_res; + +uniform vec2 delta; + +VARYING vec2 tc0; +VARYING vec2 tc1; +VARYING vec2 tc2; +VARYING vec2 tc3; +VARYING vec2 tc4; +VARYING vec2 tc5; +VARYING vec2 tc6; +VARYING vec2 tc7; +VARYING vec2 tc8; + +void main() +{ + gl_Position = vec4(position, 1.0); + + vec2 tc = (position.xy*0.5+0.5)*screen_res; + tc0 = tc+vec2(-delta.x,-delta.y); + tc1 = tc+vec2(0,-delta.y); + tc2 = tc+vec2(delta.x,-delta.y); + tc3 = tc+vec2(-delta.x,0); + tc4 = tc+vec2(0,0); + tc5 = tc+vec2(delta.x,0); + tc6 = tc+vec2(-delta.x,delta.y); + tc7 = tc+vec2(0,delta.y); + tc8 = tc+vec2(delta.x,delta.y); +} + -- cgit v1.2.3