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. --- .../class1/interface/downsampleDepthRectF.glsl | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl (limited to 'indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl') 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; +} -- cgit v1.2.3 From 8817ecc1e305c5f692f4d2f47d8b2090ee001d31 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 21 Jun 2013 15:57:59 -0500 Subject: NORSPEC-280 Fix for shader compilation error on OpenGL 3.3 --- .../app_settings/shaders/class1/interface/downsampleDepthRectF.glsl | 2 ++ 1 file changed, 2 insertions(+) (limited to 'indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl index 2f89b8ed72..0e5dc08183 100644 --- a/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl +++ b/indra/newview/app_settings/shaders/class1/interface/downsampleDepthRectF.glsl @@ -23,6 +23,8 @@ * $/LicenseInfo$ */ +#extension GL_ARB_texture_rectangle : enable + #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; #else -- cgit v1.2.3