From 5efee00a835a30f09637b2459134d458a9efa6cd Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 12 Jul 2013 13:01:31 -0700 Subject: NORSPEC-291 WIP added underwater deferred program and more reflection pass work --- .../shaders/class1/deferred/underWaterF.glsl | 120 +++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl (limited to 'indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl new file mode 100644 index 0000000000..c160b38cfe --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -0,0 +1,120 @@ +/** + * @file underWaterF.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 + * $/LicenseInfo$ + */ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_data[3]; +#else +#define frag_data gl_FragData +#endif + +uniform sampler2D diffuseMap; +uniform sampler2D bumpMap; +uniform sampler2D screenTex; +uniform sampler2D refTex; +uniform sampler2D screenDepth; + +uniform vec4 fogCol; +uniform vec3 lightDir; +uniform vec3 specular; +uniform float lightExp; +uniform vec2 fbScale; +uniform float refScale; +uniform float znear; +uniform float zfar; +uniform float kd; +uniform vec4 waterPlane; +uniform vec3 eyeVec; +uniform vec4 waterFogColor; +uniform float waterFogDensity; +uniform float waterFogKS; +uniform vec2 screenRes; + +//bigWave is (refCoord.w, view.w); +VARYING vec4 refCoord; +VARYING vec4 littleWave; +VARYING vec4 view; + +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} + +vec4 applyWaterFog(vec4 color, vec3 viewVec) +{ + //normalize view vector + vec3 view = normalize(viewVec); + float es = -view.z; + + //find intersection point with water plane and eye vector + + //get eye depth + float e0 = max(-waterPlane.w, 0.0); + + //get object depth + float depth = length(viewVec); + + //get "thickness" of water + float l = max(depth, 0.1); + + float kd = waterFogDensity; + float ks = waterFogKS; + vec4 kc = waterFogColor; + + float F = 0.98; + + float t1 = -kd * pow(F, ks * e0); + float t2 = kd + ks * es; + float t3 = pow(F, t2*l) - 1.0; + + float L = min(t1/t2*t3, 1.0); + + float D = pow(0.98, l*kd); + //return vec4(1.0, 0.0, 1.0, 1.0); + return color * D + kc * L; + //depth /= 10.0; + //return vec4(depth,depth,depth,0.0); +} + +void main() +{ + vec4 color; + + //get detail normals + vec3 wave1 = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0; + vec3 wave2 = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0; + vec3 wave3 = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0; + vec3 wavef = normalize(wave1+wave2+wave3); + + //figure out distortion vector (ripply) + vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5; + distort = distort+wavef.xy*refScale; + + vec4 fb = texture2D(screenTex, distort); + + frag_data[0] = vec4(fb.rgb, 0.5); // diffuse + frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec + frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, displace +} -- cgit v1.2.3 From a540ae81c42f1c7be87bda73d060b7ba8eaa0654 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Mon, 15 Jul 2013 13:46:01 -0700 Subject: NORSPEC-291 first attempt at gamma correction of materials in reflections --- .../shaders/class1/deferred/underWaterF.glsl | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl index c160b38cfe..938947bbce 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -56,6 +56,26 @@ VARYING vec4 refCoord; VARYING vec4 littleWave; VARYING vec4 view; +vec3 srgb_to_linear(vec3 cs) +{ + +/* { cs / 12.92, cs <= 0.04045 + cl = { + { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/ + + return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); +} + +vec3 linear_to_srgb(vec3 cl) +{ + /*{ 0.0, 0 <= cl + { 12.92 * c, 0 < cl < 0.0031308 + cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 + { 1.0, cl >= 1*/ + + return 1.055 * pow(cl, vec3(0.41666)) - 0.055; +} + vec2 encode_normal(vec3 n) { float f = sqrt(8 * n.z + 8); @@ -114,7 +134,7 @@ void main() vec4 fb = texture2D(screenTex, distort); - frag_data[0] = vec4(fb.rgb, 0.5); // diffuse + frag_data[0] = vec4(linear_to_srgb(fb.rgb), 1.0); // diffuse frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, displace } -- cgit v1.2.3 From f357269c38a8627aeb67c82c5ee34b49336e0d8b Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Thu, 25 Jul 2013 09:36:13 -0700 Subject: NORSPEC-325 WIP restore gamma (uncorrected) attenuation and unify sRGB conversion in one place --- .../shaders/class1/deferred/underWaterF.glsl | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl index 938947bbce..858c3a1fe9 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -56,25 +56,8 @@ VARYING vec4 refCoord; VARYING vec4 littleWave; VARYING vec4 view; -vec3 srgb_to_linear(vec3 cs) -{ - -/* { cs / 12.92, cs <= 0.04045 - cl = { - { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/ - - return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); -} - -vec3 linear_to_srgb(vec3 cl) -{ - /*{ 0.0, 0 <= cl - { 12.92 * c, 0 < cl < 0.0031308 - cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 - { 1.0, cl >= 1*/ - - return 1.055 * pow(cl, vec3(0.41666)) - 0.055; -} +vec3 srgb_to_linear(vec3 cs); +vec3 linear_to_srgb(vec3 cl); vec2 encode_normal(vec3 n) { -- cgit v1.2.3 From f86a7c04d3c265f4d61d99d1d7fdb7e35c4bc3f6 Mon Sep 17 00:00:00 2001 From: "Graham Madarasz (Graham Linden)" Date: Tue, 30 Jul 2013 11:33:58 -0700 Subject: NORSPEC-314 rollback unified srgb shader code to see if we can get past Mac 10.6.8 nV driver issues --- .../shaders/class1/deferred/underWaterF.glsl | 38 ++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl index 858c3a1fe9..78f841c733 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -56,8 +56,42 @@ VARYING vec4 refCoord; VARYING vec4 littleWave; VARYING vec4 view; -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); +vec3 srgb_to_linear(vec3 cs) +{ + vec3 low_range = cs / vec3(12.92); + vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); + bvec3 lte = lessThanEqual(cs,vec3(0.04045)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lte.r ? low_range.r : high_range.r; + result.g = lte.g ? low_range.g : high_range.g; + result.b = lte.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lte); +#endif + +} + +vec3 linear_to_srgb(vec3 cl) +{ + cl = clamp(cl, vec3(0), vec3(1)); + vec3 low_range = cl * 12.92; + vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055; + bvec3 lt = lessThan(cl,vec3(0.0031308)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lt.r ? low_range.r : high_range.r; + result.g = lt.g ? low_range.g : high_range.g; + result.b = lt.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lt); +#endif + +} vec2 encode_normal(vec3 n) { -- cgit v1.2.3