From 0d7fa932d579f3fb6140658db7efb01fcd8f5ceb Mon Sep 17 00:00:00 2001 From: "Graham Linden graham@lindenlab.com" Date: Fri, 20 Apr 2018 18:14:29 +0100 Subject: Move class3 sky/cloud shaders to where they need to be to get picked up by ALM. Modify autobuild.xml to use new libatmo w/ state save/restore fixes (addresses font render glitch). Put in nSight debug support. --- .../shaders/class3/deferred/cloudsF.glsl | 104 +++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl new file mode 100644 index 0000000000..96c70651b1 --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -0,0 +1,104 @@ +/** + * @file WLCloudsF.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + +///////////////////////////////////////////////////////////////////////// +// The fragment shader for the sky +///////////////////////////////////////////////////////////////////////// + +VARYING vec4 vary_CloudColorSun; +VARYING vec4 vary_CloudColorAmbient; +VARYING float vary_CloudDensity; +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; + +uniform sampler2D cloud_noise_texture; +uniform vec4 cloud_pos_density1; +uniform vec4 cloud_pos_density2; +uniform vec4 gamma; + +/// Soft clips the light with a gamma correction +vec3 scaleSoftClip(vec3 light) { + //soft clip effect: + light = 1. - clamp(light, vec3(0.), vec3(1.)); + light = 1. - pow(light, gamma.xxx); + + return light; +} + +void main() +{ + // Set variables + vec2 uv1 = vary_texcoord0.xy; + vec2 uv2 = vary_texcoord1.xy; + + vec4 cloudColorSun = vary_CloudColorSun; + vec4 cloudColorAmbient = vary_CloudColorAmbient; + float cloudDensity = vary_CloudDensity; + vec2 uv3 = vary_texcoord2.xy; + vec2 uv4 = vary_texcoord3.xy; + + // Offset texture coords + uv1 += cloud_pos_density1.xy; //large texture, visible density + uv2 += cloud_pos_density1.xy; //large texture, self shadow + uv3 += cloud_pos_density2.xy; //small texture, visible density + uv4 += cloud_pos_density2.xy; //small texture, self shadow + + + // Compute alpha1, the main cloud opacity + float alpha1 = (texture2D(cloud_noise_texture, uv1).x - 0.5) + (texture2D(cloud_noise_texture, uv3).x - 0.5) * cloud_pos_density2.z; + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10. * cloud_pos_density1.z, 1.); + + // And smooth + alpha1 = 1. - alpha1 * alpha1; + alpha1 = 1. - alpha1 * alpha1; + + + // Compute alpha2, for self shadowing effect + // (1 - alpha2) will later be used as percentage of incoming sunlight + float alpha2 = (texture2D(cloud_noise_texture, uv2).x - 0.5); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + // Combine + vec4 color; + color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); + color *= 2.; + + /// Gamma correct for WL (soft clip effect). + frag_color.rgb = scaleSoftClip(color.rgb); + frag_color.a = alpha1; +} + -- cgit v1.2.3 From fc8d0de673da0e02915556008a365aca67472eba Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Mon, 11 Jun 2018 22:39:57 +0100 Subject: Make cloud rendering use textures defined in sky settings and add code to shaders to lerp between current and next cloud texture. --- .../app_settings/shaders/class3/deferred/cloudsF.glsl | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 96c70651b1..44b41cc0b8 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -42,10 +42,21 @@ VARYING vec2 vary_texcoord2; VARYING vec2 vary_texcoord3; uniform sampler2D cloud_noise_texture; +uniform sampler2D cloud_noise_texture_next; +uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; uniform vec4 gamma; +vec4 cloudNoise(vec2 uv) +{ + vec4 a = texture2D(cloud_noise_texture, uv); + vec4 b = texture2D(cloud_noise_texture_next, uv); + vec4 samp = mix(a, b, blend_factor); + return samp; +} + + /// Soft clips the light with a gamma correction vec3 scaleSoftClip(vec3 light) { //soft clip effect: @@ -75,7 +86,7 @@ void main() // Compute alpha1, the main cloud opacity - float alpha1 = (texture2D(cloud_noise_texture, uv1).x - 0.5) + (texture2D(cloud_noise_texture, uv3).x - 0.5) * cloud_pos_density2.z; + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10. * cloud_pos_density1.z, 1.); // And smooth @@ -85,7 +96,7 @@ void main() // Compute alpha2, for self shadowing effect // (1 - alpha2) will later be used as percentage of incoming sunlight - float alpha2 = (texture2D(cloud_noise_texture, uv2).x - 0.5); + float alpha2 = (cloudNoise(uv2).x - 0.5); alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); // And smooth -- cgit v1.2.3 From 1df7760d315430766bba44d4d4c64480b4a6138f Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 14 Sep 2018 21:52:52 +0100 Subject: SL-9632 add uniform and code to supress atmospherics in all shaders that could be used by HUDs Make sky and cloud shaders use common scaleSoftClip implementation in gammaF.glsl --- indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 44b41cc0b8..d9fcc0a9ea 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -58,13 +58,7 @@ vec4 cloudNoise(vec2 uv) /// Soft clips the light with a gamma correction -vec3 scaleSoftClip(vec3 light) { - //soft clip effect: - light = 1. - clamp(light, vec3(0.), vec3(1.)); - light = 1. - pow(light, gamma.xxx); - - return light; -} +vec3 scaleSoftClip(vec3 light); void main() { -- cgit v1.2.3 From f8aac192378462b5824d28808ed84833e2cbfe0f Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Tue, 9 Oct 2018 18:44:43 +0100 Subject: SL-1289 add cloud_variance control for randomized perturbance of clouds to break up tiling monotony --- .../shaders/class3/deferred/cloudsF.glsl | 37 ++++++++++++---------- 1 file changed, 21 insertions(+), 16 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index d9fcc0a9ea..9f06319da3 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -36,10 +36,6 @@ out vec4 frag_color; VARYING vec4 vary_CloudColorSun; VARYING vec4 vary_CloudColorAmbient; VARYING float vary_CloudDensity; -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; uniform sampler2D cloud_noise_texture; uniform sampler2D cloud_noise_texture_next; @@ -47,19 +43,25 @@ uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; uniform vec4 gamma; +uniform float cloud_scale; +uniform float cloud_variance; -vec4 cloudNoise(vec2 uv) -{ - vec4 a = texture2D(cloud_noise_texture, uv); - vec4 b = texture2D(cloud_noise_texture_next, uv); - vec4 samp = mix(a, b, blend_factor); - return samp; -} - +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; /// Soft clips the light with a gamma correction vec3 scaleSoftClip(vec3 light); +vec4 cloudNoise(vec2 uv) +{ + vec4 a = texture2D(cloud_noise_texture, uv); + vec4 b = texture2D(cloud_noise_texture_next, uv); + vec4 cloud_noise_sample = mix(a, b, blend_factor); + return cloud_noise_sample; +} + void main() { // Set variables @@ -72,16 +74,19 @@ void main() vec2 uv3 = vary_texcoord2.xy; vec2 uv4 = vary_texcoord3.xy; + vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + // Offset texture coords - uv1 += cloud_pos_density1.xy; //large texture, visible density + uv1 += cloud_pos_density1.xy + disturbance; //large texture, visible density uv2 += cloud_pos_density1.xy; //large texture, self shadow - uv3 += cloud_pos_density2.xy; //small texture, visible density + uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density uv4 += cloud_pos_density2.xy; //small texture, self shadow // Compute alpha1, the main cloud opacity + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10. * cloud_pos_density1.z, 1.); + alpha1 = min(max(alpha1 + cloudDensity, 0.) * (10. + disturbance.y) * cloud_pos_density1.z, 1.); // And smooth alpha1 = 1. - alpha1 * alpha1; @@ -91,7 +96,7 @@ void main() // Compute alpha2, for self shadowing effect // (1 - alpha2) will later be used as percentage of incoming sunlight float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * (2.5 + disturbance.x) * cloud_pos_density1.z, 1.); // And smooth alpha2 = 1. - alpha2; -- cgit v1.2.3 From 2929998982f37221a58b9fa8037748a2e905f4b1 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Tue, 6 Nov 2018 19:33:04 +0000 Subject: Move to using a shared deferredUtil object for getting pos/norm from gbuffer. Eliminate 20+ callsites with copy-paste of getPosition and/or getNorm code. Make pipeline use getShadowTarget/releaseShadowTarget consistently. --- .../shaders/class3/deferred/cloudsF.glsl | 77 ++++++++++++++++------ 1 file changed, 56 insertions(+), 21 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 9f06319da3..f8373215f0 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -1,5 +1,5 @@ /** - * @file WLCloudsF.glsl + * @file class3/deferred/cloudsF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code @@ -24,9 +24,9 @@ */ #ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; +out vec4 frag_data[3]; #else -#define frag_color gl_FragColor +#define frag_data gl_FragData #endif ///////////////////////////////////////////////////////////////////////// @@ -36,20 +36,37 @@ out vec4 frag_color; VARYING vec4 vary_CloudColorSun; VARYING vec4 vary_CloudColorAmbient; VARYING float vary_CloudDensity; +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; +VARYING vec3 vary_pos; uniform sampler2D cloud_noise_texture; uniform sampler2D cloud_noise_texture_next; uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; -uniform vec4 gamma; +uniform vec4 sunlight_color; +uniform vec4 cloud_color; +uniform float cloud_shadow; uniform float cloud_scale; uniform float cloud_variance; - -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; +uniform vec3 ambient; +uniform vec3 camPosLocal; +uniform vec3 sun_dir; +uniform float sun_size; +uniform float far_z; + +uniform sampler2D transmittance_texture; +uniform sampler3D scattering_texture; +uniform sampler3D single_mie_scattering_texture; +uniform sampler2D irradiance_texture; +uniform sampler2D sh_input_r; +uniform sampler2D sh_input_g; +uniform sampler2D sh_input_b; + +vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); /// Soft clips the light with a gamma correction vec3 scaleSoftClip(vec3 light); @@ -67,11 +84,9 @@ void main() // Set variables vec2 uv1 = vary_texcoord0.xy; vec2 uv2 = vary_texcoord1.xy; - - vec4 cloudColorSun = vary_CloudColorSun; - vec4 cloudColorAmbient = vary_CloudColorAmbient; - float cloudDensity = vary_CloudDensity; vec2 uv3 = vary_texcoord2.xy; + float cloudDensity = 2.0 * (cloud_shadow - 0.25); + vec2 uv4 = vary_texcoord3.xy; vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); @@ -82,33 +97,53 @@ void main() uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density uv4 += cloud_pos_density2.xy; //small texture, self shadow + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0)); - // Compute alpha1, the main cloud opacity + cloudDensity *= 1.0 - (density_variance * density_variance); + // Compute alpha1, the main cloud opacity float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * (10. + disturbance.y) * cloud_pos_density1.z, 1.); + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); // And smooth alpha1 = 1. - alpha1 * alpha1; alpha1 = 1. - alpha1 * alpha1; + if (alpha1 < 0.001f) + { + discard; + } // Compute alpha2, for self shadowing effect // (1 - alpha2) will later be used as percentage of incoming sunlight float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * (2.5 + disturbance.x) * cloud_pos_density1.z, 1.); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); // And smooth alpha2 = 1. - alpha2; alpha2 = 1. - alpha2 * alpha2; + vec3 view_ray = vary_pos.xyz + camPosLocal; + + vec3 view_direction = normalize(view_ray); + vec3 sun_direction = normalize(sun_dir); + vec3 earth_center = vec3(0, 0, -6360.0f); + vec3 camPos = (camPosLocal / 1000.0f) - earth_center; + + vec3 transmittance; + vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 1.0 - alpha1, sun_direction, transmittance); + + vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001); + // Combine vec4 color; - color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); - color *= 2.; - /// Gamma correct for WL (soft clip effect). - frag_color.rgb = scaleSoftClip(color.rgb); - frag_color.a = alpha1; + color.rgb = sun_color * cloud_color.rgb * (1. - alpha2); + color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); + color.rgb += ambient; + + frag_data[0] = vec4(color.rgb, alpha1); + frag_data[1] = vec4(0); + frag_data[2] = vec4(0,1,0,1); } -- cgit v1.2.3 From db270df7cc00c1e2519749831e7e98c2c10e3ee6 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 9 Nov 2018 18:31:29 +0000 Subject: Back out changes causing broken shadows and other render shenanigans. --- .../shaders/class3/deferred/cloudsF.glsl | 77 ++++++---------------- 1 file changed, 21 insertions(+), 56 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index f8373215f0..9f06319da3 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -1,5 +1,5 @@ /** - * @file class3/deferred/cloudsF.glsl + * @file WLCloudsF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code @@ -24,9 +24,9 @@ */ #ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; +out vec4 frag_color; #else -#define frag_data gl_FragData +#define frag_color gl_FragColor #endif ///////////////////////////////////////////////////////////////////////// @@ -36,37 +36,20 @@ out vec4 frag_data[3]; VARYING vec4 vary_CloudColorSun; VARYING vec4 vary_CloudColorAmbient; VARYING float vary_CloudDensity; -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; -VARYING vec3 vary_pos; uniform sampler2D cloud_noise_texture; uniform sampler2D cloud_noise_texture_next; uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; -uniform vec4 sunlight_color; -uniform vec4 cloud_color; -uniform float cloud_shadow; +uniform vec4 gamma; uniform float cloud_scale; uniform float cloud_variance; -uniform vec3 ambient; -uniform vec3 camPosLocal; -uniform vec3 sun_dir; -uniform float sun_size; -uniform float far_z; - -uniform sampler2D transmittance_texture; -uniform sampler3D scattering_texture; -uniform sampler3D single_mie_scattering_texture; -uniform sampler2D irradiance_texture; -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); + +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; /// Soft clips the light with a gamma correction vec3 scaleSoftClip(vec3 light); @@ -84,9 +67,11 @@ void main() // Set variables vec2 uv1 = vary_texcoord0.xy; vec2 uv2 = vary_texcoord1.xy; - vec2 uv3 = vary_texcoord2.xy; - float cloudDensity = 2.0 * (cloud_shadow - 0.25); + vec4 cloudColorSun = vary_CloudColorSun; + vec4 cloudColorAmbient = vary_CloudColorAmbient; + float cloudDensity = vary_CloudDensity; + vec2 uv3 = vary_texcoord2.xy; vec2 uv4 = vary_texcoord3.xy; vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); @@ -97,53 +82,33 @@ void main() uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density uv4 += cloud_pos_density2.xy; //small texture, self shadow - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0)); - - cloudDensity *= 1.0 - (density_variance * density_variance); // Compute alpha1, the main cloud opacity + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); + alpha1 = min(max(alpha1 + cloudDensity, 0.) * (10. + disturbance.y) * cloud_pos_density1.z, 1.); // And smooth alpha1 = 1. - alpha1 * alpha1; alpha1 = 1. - alpha1 * alpha1; - if (alpha1 < 0.001f) - { - discard; - } // Compute alpha2, for self shadowing effect // (1 - alpha2) will later be used as percentage of incoming sunlight float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * (2.5 + disturbance.x) * cloud_pos_density1.z, 1.); // And smooth alpha2 = 1. - alpha2; alpha2 = 1. - alpha2 * alpha2; - vec3 view_ray = vary_pos.xyz + camPosLocal; - - vec3 view_direction = normalize(view_ray); - vec3 sun_direction = normalize(sun_dir); - vec3 earth_center = vec3(0, 0, -6360.0f); - vec3 camPos = (camPosLocal / 1000.0f) - earth_center; - - vec3 transmittance; - vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 1.0 - alpha1, sun_direction, transmittance); - - vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001); - // Combine vec4 color; + color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); + color *= 2.; - color.rgb = sun_color * cloud_color.rgb * (1. - alpha2); - color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); - color.rgb += ambient; - - frag_data[0] = vec4(color.rgb, alpha1); - frag_data[1] = vec4(0); - frag_data[2] = vec4(0,1,0,1); + /// Gamma correct for WL (soft clip effect). + frag_color.rgb = scaleSoftClip(color.rgb); + frag_color.a = alpha1; } -- cgit v1.2.3 From d614bf11357d9ff1fef59c7ff11eff73b211dcac Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 9 Nov 2018 21:11:37 +0000 Subject: Yes, Maurice, baby steps. --- .../shaders/class3/deferred/cloudsF.glsl | 77 ++++++++++++++++------ 1 file changed, 56 insertions(+), 21 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 9f06319da3..f8373215f0 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -1,5 +1,5 @@ /** - * @file WLCloudsF.glsl + * @file class3/deferred/cloudsF.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code @@ -24,9 +24,9 @@ */ #ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; +out vec4 frag_data[3]; #else -#define frag_color gl_FragColor +#define frag_data gl_FragData #endif ///////////////////////////////////////////////////////////////////////// @@ -36,20 +36,37 @@ out vec4 frag_color; VARYING vec4 vary_CloudColorSun; VARYING vec4 vary_CloudColorAmbient; VARYING float vary_CloudDensity; +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; +VARYING vec2 vary_texcoord2; +VARYING vec2 vary_texcoord3; +VARYING vec3 vary_pos; uniform sampler2D cloud_noise_texture; uniform sampler2D cloud_noise_texture_next; uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; -uniform vec4 gamma; +uniform vec4 sunlight_color; +uniform vec4 cloud_color; +uniform float cloud_shadow; uniform float cloud_scale; uniform float cloud_variance; - -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; +uniform vec3 ambient; +uniform vec3 camPosLocal; +uniform vec3 sun_dir; +uniform float sun_size; +uniform float far_z; + +uniform sampler2D transmittance_texture; +uniform sampler3D scattering_texture; +uniform sampler3D single_mie_scattering_texture; +uniform sampler2D irradiance_texture; +uniform sampler2D sh_input_r; +uniform sampler2D sh_input_g; +uniform sampler2D sh_input_b; + +vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); /// Soft clips the light with a gamma correction vec3 scaleSoftClip(vec3 light); @@ -67,11 +84,9 @@ void main() // Set variables vec2 uv1 = vary_texcoord0.xy; vec2 uv2 = vary_texcoord1.xy; - - vec4 cloudColorSun = vary_CloudColorSun; - vec4 cloudColorAmbient = vary_CloudColorAmbient; - float cloudDensity = vary_CloudDensity; vec2 uv3 = vary_texcoord2.xy; + float cloudDensity = 2.0 * (cloud_shadow - 0.25); + vec2 uv4 = vary_texcoord3.xy; vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); @@ -82,33 +97,53 @@ void main() uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density uv4 += cloud_pos_density2.xy; //small texture, self shadow + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0)); - // Compute alpha1, the main cloud opacity + cloudDensity *= 1.0 - (density_variance * density_variance); + // Compute alpha1, the main cloud opacity float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * (10. + disturbance.y) * cloud_pos_density1.z, 1.); + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); // And smooth alpha1 = 1. - alpha1 * alpha1; alpha1 = 1. - alpha1 * alpha1; + if (alpha1 < 0.001f) + { + discard; + } // Compute alpha2, for self shadowing effect // (1 - alpha2) will later be used as percentage of incoming sunlight float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * (2.5 + disturbance.x) * cloud_pos_density1.z, 1.); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); // And smooth alpha2 = 1. - alpha2; alpha2 = 1. - alpha2 * alpha2; + vec3 view_ray = vary_pos.xyz + camPosLocal; + + vec3 view_direction = normalize(view_ray); + vec3 sun_direction = normalize(sun_dir); + vec3 earth_center = vec3(0, 0, -6360.0f); + vec3 camPos = (camPosLocal / 1000.0f) - earth_center; + + vec3 transmittance; + vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 1.0 - alpha1, sun_direction, transmittance); + + vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001); + // Combine vec4 color; - color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); - color *= 2.; - /// Gamma correct for WL (soft clip effect). - frag_color.rgb = scaleSoftClip(color.rgb); - frag_color.a = alpha1; + color.rgb = sun_color * cloud_color.rgb * (1. - alpha2); + color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); + color.rgb += ambient; + + frag_data[0] = vec4(color.rgb, alpha1); + frag_data[1] = vec4(0); + frag_data[2] = vec4(0,1,0,1); } -- cgit v1.2.3 From 2312efbf3ae09013bc86a2378bed43a743f2df3e Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 4 Jan 2019 10:17:09 -0800 Subject: Add new shaders for generating shadows from clouds. Add new class3 shadow shaders for VSM shadows. Add disabled shadow pass in WLSky for using above. --- .../app_settings/shaders/class3/deferred/cloudsF.glsl | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index f8373215f0..015caad749 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -138,9 +138,23 @@ void main() // Combine vec4 color; + vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); + + vec4 l1r = texture2D(sh_input_r, vec2(0,0)); + vec4 l1g = texture2D(sh_input_g, vec2(0,0)); + vec4 l1b = texture2D(sh_input_b, vec2(0,0)); + + vec3 sun_indir = vec3(-view_direction.xy, view_direction.z); + vec3 amb = vec3(dot(l1r, l1tap * vec4(1, sun_indir)), + dot(l1g, l1tap * vec4(1, sun_indir)), + dot(l1b, l1tap * vec4(1, sun_indir))); + + + amb = max(vec3(0), amb); + color.rgb = sun_color * cloud_color.rgb * (1. - alpha2); color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); - color.rgb += ambient; + color.rgb += amb; frag_data[0] = vec4(color.rgb, alpha1); frag_data[1] = vec4(0); -- cgit v1.2.3 From 966dc7fc8fb1fade861e8070e9c5fbbfe4d0cb45 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Thu, 24 Jan 2019 14:54:11 -0800 Subject: SL-10276 SL-9851 Fix cloud shaders to ignore clouds when cloud_scale is 0. Fix creation of heavenly body geo to avoid degenerate vector math and not randomly flip orientation when crossing zenith. Add sun_up_factor to eliminate sun glow around moon when sun is down. --- .../shaders/class3/deferred/cloudsF.glsl | 63 ++++++++++++---------- 1 file changed, 34 insertions(+), 29 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 015caad749..c111456782 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -81,47 +81,52 @@ vec4 cloudNoise(vec2 uv) void main() { - // Set variables - vec2 uv1 = vary_texcoord0.xy; - vec2 uv2 = vary_texcoord1.xy; - vec2 uv3 = vary_texcoord2.xy; - float cloudDensity = 2.0 * (cloud_shadow - 0.25); + // Set variables + vec2 uv1 = vary_texcoord0.xy; + vec2 uv2 = vary_texcoord1.xy; + vec2 uv3 = vary_texcoord2.xy; + float cloudDensity = 2.0 * (cloud_shadow - 0.25); - vec2 uv4 = vary_texcoord3.xy; + if (cloud_scale < 0.001) + { + discard; + } + + vec2 uv4 = vary_texcoord3.xy; vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - // Offset texture coords - uv1 += cloud_pos_density1.xy + disturbance; //large texture, visible density - uv2 += cloud_pos_density1.xy; //large texture, self shadow - uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density - uv4 += cloud_pos_density2.xy; //small texture, self shadow + // Offset texture coords + uv1 += cloud_pos_density1.xy + disturbance; //large texture, visible density + uv2 += cloud_pos_density1.xy; //large texture, self shadow + uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density + uv4 += cloud_pos_density2.xy; //small texture, self shadow float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0)); cloudDensity *= 1.0 - (density_variance * density_variance); - // Compute alpha1, the main cloud opacity - float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); + // Compute alpha1, the main cloud opacity + float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; + alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; + // And smooth + alpha1 = 1. - alpha1 * alpha1; + alpha1 = 1. - alpha1 * alpha1; if (alpha1 < 0.001f) { discard; } - // Compute alpha2, for self shadowing effect - // (1 - alpha2) will later be used as percentage of incoming sunlight - float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); + // Compute alpha2, for self shadowing effect + // (1 - alpha2) will later be used as percentage of incoming sunlight + float alpha2 = (cloudNoise(uv2).x - 0.5); + alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); - // And smooth - alpha2 = 1. - alpha2; - alpha2 = 1. - alpha2 * alpha2; + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; vec3 view_ray = vary_pos.xyz + camPosLocal; @@ -135,8 +140,8 @@ void main() vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001); - // Combine - vec4 color; + // Combine + vec4 color; vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); @@ -156,8 +161,8 @@ void main() color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); color.rgb += amb; - frag_data[0] = vec4(color.rgb, alpha1); - frag_data[1] = vec4(0); - frag_data[2] = vec4(0,1,0,1); + frag_data[0] = vec4(color.rgb, alpha1); + frag_data[1] = vec4(0); + frag_data[2] = vec4(0,1,0,1); } -- cgit v1.2.3 From 8890c3238ab4ae8bbf1bc123284f9c6d4db4f9d6 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Wed, 6 Feb 2019 16:42:23 -0800 Subject: SL-10478 Fix side-effects of having both sun and moon as potential directional light contributors. We pass an int to the shader indicating which to prefer instead of making per-pixel decisions and pass the moonlight color/di independently. Obsolete llsettingssky fade color which was unused elsewhere and cached for no reason. --- indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl | 1 - 1 file changed, 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index c111456782..cc7a86f35c 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -47,7 +47,6 @@ uniform sampler2D cloud_noise_texture_next; uniform float blend_factor; uniform vec4 cloud_pos_density1; uniform vec4 cloud_pos_density2; -uniform vec4 sunlight_color; uniform vec4 cloud_color; uniform float cloud_shadow; uniform float cloud_scale; -- cgit v1.2.3 From 16d3279995bcb4a4766b721d0897b3d2199971d5 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Mon, 3 Jun 2019 11:30:41 -0700 Subject: SL-10966 Fix light atten and transmittance calcs breaking ambient color contrib to fog. Needs to be tested on DRTSIM-415 or better to get legacy viewer settings that match EEP. --- indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl | 1 - 1 file changed, 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index cc7a86f35c..1abe2fab63 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -51,7 +51,6 @@ uniform vec4 cloud_color; uniform float cloud_shadow; uniform float cloud_scale; uniform float cloud_variance; -uniform vec3 ambient; uniform vec3 camPosLocal; uniform vec3 sun_dir; uniform float sun_size; -- cgit v1.2.3 From aa4b24beee1d6451370983517d7ac3755429e26f Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Mon, 22 Jul 2019 12:21:24 -0700 Subject: SL-11443 Make fullbright rigged objects with alpha mode none use fullbright shader instead of incorrectly using the material shader. Increase effect of variance in cloud shaders. --- indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl') diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl index 1abe2fab63..e40d7e7c75 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl @@ -95,12 +95,12 @@ void main() vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); // Offset texture coords - uv1 += cloud_pos_density1.xy + disturbance; //large texture, visible density + uv1 += cloud_pos_density1.xy + (disturbance * 0.2); //large texture, visible density uv2 += cloud_pos_density1.xy; //large texture, self shadow - uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density + uv3 += cloud_pos_density2.xy; //small texture, visible density uv4 += cloud_pos_density2.xy; //small texture, self shadow - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0)); + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0) * 4.0); cloudDensity *= 1.0 - (density_variance * density_variance); -- cgit v1.2.3