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/interface/downsampleDepthV.glsl | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl (limited to 'indra/newview/app_settings/shaders/class1/interface/downsampleDepthV.glsl') 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