diff options
Diffstat (limited to 'indra')
21 files changed, 650 insertions, 583 deletions
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp index 29d120a135..9db8fd1f05 100644 --- a/indra/llrender/llshadermgr.cpp +++ b/indra/llrender/llshadermgr.cpp @@ -1358,6 +1358,8 @@ void LLShaderMgr::initAttribsAndUniforms() mReservedUniforms.push_back("sh_input_g"); mReservedUniforms.push_back("sh_input_b"); + mReservedUniforms.push_back("sun_up_factor"); + llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS); std::set<std::string> dupe_check; diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h index c22fe44750..0b1a97d880 100644 --- a/indra/llrender/llshadermgr.h +++ b/indra/llrender/llshadermgr.h @@ -248,6 +248,7 @@ public: SH_INPUT_L1G, SH_INPUT_L1B, + SUN_UP_FACTOR, END_RESERVED_UNIFORMS } eGLSLReservedUniforms; diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl index d93baa03c6..035e979827 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudShadowF.glsl @@ -69,53 +69,60 @@ 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; - - vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 - - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); - - 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.); - - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; - - if (alpha1 < 0.001f) + if (cloud_scale >= 0.0001) { - discard; + vec2 uv4 = vary_texcoord3.xy; + + vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 + + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); + + 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.); + + // 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.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + frag_color = vec4(alpha1, alpha1, alpha1, 1); + } + else + { + frag_color = vec4(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; - - frag_color = vec4(alpha1, alpha1, alpha1, 1); #if !defined(DEPTH_CLAMP) - gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); + gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); #endif } diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl index fe69233e68..60ccfa64db 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl @@ -65,60 +65,65 @@ vec4 cloudNoise(vec2 uv) void main() { - // Set variables - vec2 uv1 = vary_texcoord0.xy; - vec2 uv2 = vary_texcoord1.xy; + // 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; + vec4 cloudColorSun = vary_CloudColorSun; + vec4 cloudColorAmbient = vary_CloudColorAmbient; + float cloudDensity = vary_CloudDensity; + vec2 uv3 = vary_texcoord2.xy; + vec2 uv4 = vary_texcoord3.xy; + + if (cloud_scale < 0.001) + { + discard; + } vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); cloudDensity *= 1.0 - (density_variance * density_variance); - // Compute alpha1, the main cloud opacity + // 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.); + 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; - // Combine - vec4 color; - color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); - color *= 2.; + // Combine + vec4 color; + color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); + color *= 2.; - /// Gamma correct for WL (soft clip effect). - frag_data[0] = vec4(scaleSoftClip(color.rgb), alpha1); - frag_data[1] = vec4(0.0,0.0,0.0,0.0); - frag_data[2] = vec4(0,0,1,0); + /// Gamma correct for WL (soft clip effect). + frag_data[0] = vec4(scaleSoftClip(color.rgb), alpha1); + frag_data[1] = vec4(0.0,0.0,0.0,0.0); + frag_data[2] = vec4(0,0,1,0); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl index 17f425475c..fe336fc3a8 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsV.glsl @@ -58,6 +58,7 @@ uniform float density_multiplier; uniform float max_y; uniform vec4 glow; +uniform float sun_up_factor; uniform vec4 cloud_color; @@ -131,6 +132,8 @@ void main() temp2.x = pow(temp2.x, glow.z); // glow.z should be negative, so we're doing a sort of (1 / "angle") function + temp2.x *= sun_up_factor; + // Add "minimum anti-solar illumination" temp2.x += .25; @@ -170,7 +173,7 @@ void main() // Texture coords vary_texcoord0 = texcoord0; vary_texcoord0.xy -= 0.5; - vary_texcoord0.xy /= cloud_scale; + vary_texcoord0.xy /= max(0.001, cloud_scale); vary_texcoord0.xy += 0.5; vary_texcoord1 = vary_texcoord0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl index 8bf4551abc..7265275e36 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl @@ -45,8 +45,8 @@ VARYING vec2 vary_texcoord0; void main() { - vec4 moonA = texture2D(diffuseMap, vary_texcoord0.xy); - vec4 moonB = texture2D(altDiffuseMap, vary_texcoord0.xy); + vec4 moonA = texture2D(diffuseMap, vary_texcoord0.xy); + vec4 moonB = texture2D(altDiffuseMap, vary_texcoord0.xy); vec4 c = mix(moonA, moonB, blend_factor); // mix factor which blends when sunlight is brighter @@ -58,8 +58,8 @@ void main() vec3 exp = vec3(1.0 - mix * moon_brightness) * 2.0 - 1.0; c.rgb = pow(c.rgb, exp); - frag_data[0] = vec4(c.rgb, c.a); - frag_data[1] = vec4(0.0); - frag_data[2] = vec4(0.0f); + frag_data[0] = vec4(c.rgb, c.a); + frag_data[1] = vec4(0.0); + frag_data[2] = vec4(0.0f); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl index 0325ecead9..0a68fc82f7 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/moonV.glsl @@ -36,13 +36,13 @@ void calcAtmospherics(vec3 eye_pos); void main() { - //transform vertex - vec4 vert = vec4(position.xyz, 1.0); - vec4 pos = (modelview_matrix * vert); + //transform vertex + vec4 vert = vec4(position.xyz, 1.0); + vec4 pos = (modelview_matrix * vert); - gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0); + gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0); calcAtmospherics(pos.xyz); - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; + + vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; } diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl index d93baa03c6..69a3c59cb3 100644 --- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl +++ b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl @@ -69,53 +69,60 @@ 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); - - vec2 uv4 = vary_texcoord3.xy; - - vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 - - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); - - 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.); - - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; - - if (alpha1 < 0.001f) + if (cloud_scale >= 0.0001) { - discard; + // 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; + + vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 + + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); + + 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.); + + // 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.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + frag_color = vec4(alpha1, alpha1, alpha1, 1); + } + else + { + frag_color = vec4(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; - - frag_color = vec4(alpha1, alpha1, alpha1, 1); #if !defined(DEPTH_CLAMP) - gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); + gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); #endif } diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl index 09ad6e70d6..6ddd7e7c86 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl @@ -45,6 +45,7 @@ uniform float density_multiplier; uniform float max_y; uniform vec4 glow; +uniform float sun_up_factor; uniform vec4 cloud_color; @@ -88,98 +89,99 @@ vec3 scaleSoftClip(vec3 light); void main() { - // World / view / projection - // Get relative position - vec3 P = pos.xyz - camPosLocal.xyz + vec3(0,50,0); - - // Set altitude - if (P.y > 0.) - { - P *= (max_y / P.y); - } - else - { - P *= (-32000. / P.y); - } - - // Can normalize then - vec3 Pn = normalize(P); - float Plen = length(P); - - // Initialize temp variables - vec4 temp1 = vec4(0.); - vec4 temp2 = vec4(0.); - vec4 blue_weight; - vec4 haze_weight; - vec4 sunlight = sunlight_color; - vec4 light_atten; - - - // Sunlight attenuation effect (hue and brightness) due to atmosphere - // this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); - - // Calculate relative weights - temp1 = blue_density + haze_density; - blue_weight = blue_density / temp1; - haze_weight = haze_density / temp1; - - // Compute sunlight from P & lightnorm (for long rays like sky) - temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y ); - temp2.y = 1. / temp2.y; - sunlight *= exp( - light_atten * temp2.y); - - // Distance - temp2.z = Plen * density_multiplier; - - // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati - // compiler gets confused. - temp1 = exp(-temp1 * temp2.z); - - - // Compute haze glow - temp2.x = dot(Pn, lightnorm.xyz); - temp2.x = 1. - temp2.x; - // temp2.x is 0 at the sun and increases away from sun - temp2.x = max(temp2.x, .001); - // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.x *= glow.x; - // Higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.x = pow(temp2.x, glow.z); - // glow.z should be negative, so we're doing a sort of (1 / "angle") function - - // Add "minimum anti-solar illumination" - temp2.x += .25; - - - // Haze color above cloud - vec4 color = ( blue_horizon * blue_weight * (sunlight + ambient) - + (haze_horizon * haze_weight) * (sunlight * temp2.x + ambient) - ); - - - // Increase ambient when there are more clouds - vec4 tmpAmbient = ambient; - tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; - - // Dim sunlight by cloud shadow percentage - sunlight *= (1. - cloud_shadow); - - // Haze color below cloud - vec4 additiveColorBelowCloud = ( blue_horizon * blue_weight * (sunlight + tmpAmbient) - + (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient) - ); - - // Final atmosphere additive - color *= (1. - temp1); - - // Attenuate cloud color by atmosphere - temp1 = sqrt(temp1); //less atmos opacity (more transparency) below clouds - - // At horizon, blend high altitude sky color towards the darker color below the clouds - color += (additiveColorBelowCloud - color) * (1. - sqrt(temp1)); - + // World / view / projection + // Get relative position + vec3 P = pos.xyz - camPosLocal.xyz + vec3(0,50,0); + + // Set altitude + if (P.y > 0.) + { + P *= (max_y / P.y); + } + else + { + P *= (-32000. / P.y); + } + + // Can normalize then + vec3 Pn = normalize(P); + float Plen = length(P); + + // Initialize temp variables + vec4 temp1 = vec4(0.); + vec4 temp2 = vec4(0.); + vec4 blue_weight; + vec4 haze_weight; + vec4 sunlight = sunlight_color; + vec4 light_atten; + + + // Sunlight attenuation effect (hue and brightness) due to atmosphere + // this is used later for sunlight modulation at various altitudes + light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + + // Calculate relative weights + temp1 = blue_density + haze_density; + blue_weight = blue_density / temp1; + haze_weight = haze_density / temp1; + + // Compute sunlight from P & lightnorm (for long rays like sky) + temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y ); + temp2.y = 1. / temp2.y; + sunlight *= exp( - light_atten * temp2.y); + + // Distance + temp2.z = Plen * density_multiplier; + + // Transparency (-> temp1) + // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati + // compiler gets confused. + temp1 = exp(-temp1 * temp2.z); + + + // Compute haze glow + temp2.x = dot(Pn, lightnorm.xyz); + temp2.x = 1. - temp2.x; + // temp2.x is 0 at the sun and increases away from sun + temp2.x = max(temp2.x, .001); + // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + temp2.x *= glow.x; + // Higher glow.x gives dimmer glow (because next step is 1 / "angle") + temp2.x = pow(temp2.x, glow.z); + // glow.z should be negative, so we're doing a sort of (1 / "angle") function + + // Add "minimum anti-solar illumination" + temp2.x += .25; + + temp2.x *= sun_up_factor; + + // Haze color above cloud + vec4 color = ( blue_horizon * blue_weight * (sunlight + ambient) + + (haze_horizon * haze_weight) * (sunlight * temp2.x + ambient) + ); + + + // Increase ambient when there are more clouds + vec4 tmpAmbient = ambient; + tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; + + // Dim sunlight by cloud shadow percentage + sunlight *= (1. - cloud_shadow); + + // Haze color below cloud + vec4 additiveColorBelowCloud = ( blue_horizon * blue_weight * (sunlight + tmpAmbient) + + (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient) + ); + + // Final atmosphere additive + color *= (1. - temp1); + + // Attenuate cloud color by atmosphere + temp1 = sqrt(temp1); //less atmos opacity (more transparency) below clouds + + // At horizon, blend high altitude sky color towards the darker color below the clouds + color += (additiveColorBelowCloud - color) * (1. - sqrt(temp1)); + float optic_d = dot(Pn, lightnorm.xyz); vec3 halo_22 = halo22(optic_d); @@ -188,11 +190,11 @@ void main() color.rgb += halo_22; - color *= 2.; + color *= 2.; - /// Gamma correct for WL (soft clip effect). - frag_data[0] = vec4(scaleSoftClip(color.rgb), 1.0); - frag_data[1] = vec4(0.0,0.0,0.0,0.0); - frag_data[2] = vec4(0.5,0.5,0.0,1.0); //1.0 in norm.w masks off fog + /// Gamma correct for WL (soft clip effect). + frag_data[0] = vec4(scaleSoftClip(color.rgb), 1.0); + frag_data[1] = vec4(0.0,0.0,0.0,0.0); + frag_data[2] = vec4(0.5,0.5,0.0,1.0); //1.0 in norm.w masks off fog } diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index c5d317ad37..c80e7fce18 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -48,21 +48,9 @@ uniform float blur_fidelity; uniform vec4 morphFactor; uniform vec3 camPosLocal; //uniform vec4 camPosWorld; -uniform vec4 gamma; -uniform vec4 lightnorm; -uniform vec4 sunlight_color; -uniform vec4 ambient; -uniform vec4 blue_horizon; -uniform vec4 blue_density; -uniform float haze_horizon; -uniform float haze_density; uniform float cloud_shadow; -uniform float density_multiplier; -uniform float distance_multiplier; uniform float max_y; -uniform vec4 glow; uniform float global_gamma; -uniform float scene_light_strength; uniform mat3 env_mat; uniform vec4 shadow_clip; uniform mat3 ssao_effect_mat; diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl index 2a629f4f42..5cf3cd1dd2 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl @@ -42,6 +42,7 @@ uniform vec4 glow; uniform float scene_light_strength; uniform mat3 ssao_effect_mat; uniform int no_atmo; +uniform float sun_up_factor; vec3 scaleSoftClipFrag(vec3 light); @@ -117,6 +118,8 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, //add "minimum anti-solar illumination" temp2.x += .25; + + temp2.x *= sun_up_factor; //increase ambient when there are more clouds vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5; diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl index 7a6bcd53a1..8c1a7c6281 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl @@ -54,110 +54,112 @@ uniform float density_multiplier; uniform float distance_multiplier; uniform float max_y; uniform vec4 glow; +uniform float sun_up_factor; void calcAtmospherics(vec3 inPositionEye) { - vec3 P = inPositionEye; - setPositionEye(P); - - //(TERRAIN) limit altitude - if (P.y > max_y) P *= (max_y / P.y); - if (P.y < -max_y) P *= (-max_y / P.y); - - vec3 tmpLightnorm = lightnorm.xyz; - - vec3 Pn = normalize(P); - float Plen = length(P); - - vec4 temp1 = vec4(0); - vec3 temp2 = vec3(0); - vec4 blue_weight; - vec4 haze_weight; - vec4 sunlight = sunlight_color; - vec4 light_atten; - - //sunlight attenuation effect (hue and brightness) due to atmosphere - //this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); - //I had thought blue_density and haze_density should have equal weighting, - //but attenuation due to haze_density tends to seem too strong - - temp1 = blue_density + vec4(haze_density); - blue_weight = blue_density / temp1; - haze_weight = vec4(haze_density) / temp1; - - //(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain) - temp2.y = max(0.0, tmpLightnorm.y); - temp2.y = 1. / temp2.y; - sunlight *= exp( - light_atten * temp2.y); - - // main atmospheric scattering line integral - temp2.z = Plen * density_multiplier; - - // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati - // compiler gets confused. - temp1 = exp(-temp1 * temp2.z * distance_multiplier); - - //final atmosphere attenuation factor - setAtmosAttenuation(temp1.rgb); - //vary_AtmosAttenuation = distance_multiplier / 10000.; - //vary_AtmosAttenuation = density_multiplier * 100.; - //vary_AtmosAttenuation = vec4(Plen / 100000., 0., 0., 1.); - - //compute haze glow - //(can use temp2.x as temp because we haven't used it yet) - temp2.x = dot(Pn, tmpLightnorm.xyz); - temp2.x = 1. - temp2.x; - //temp2.x is 0 at the sun and increases away from sun - temp2.x = max(temp2.x, .03); //was glow.y - //set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.x *= glow.x; - //higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.x = pow(temp2.x, glow.z); - //glow.z should be negative, so we're doing a sort of (1 / "angle") function - - //add "minimum anti-solar illumination" - temp2.x += .25; - - - //increase ambient when there are more clouds - vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5; - - vec3 additive = - vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient) - + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x - + tmpAmbient)); + vec3 P = inPositionEye; + setPositionEye(P); + + //(TERRAIN) limit altitude + if (P.y > max_y) P *= (max_y / P.y); + if (P.y < -max_y) P *= (-max_y / P.y); + + vec3 tmpLightnorm = lightnorm.xyz; + + vec3 Pn = normalize(P); + float Plen = length(P); + + vec4 temp1 = vec4(0); + vec3 temp2 = vec3(0); + vec4 blue_weight; + vec4 haze_weight; + vec4 sunlight = sunlight_color; + vec4 light_atten; + + //sunlight attenuation effect (hue and brightness) due to atmosphere + //this is used later for sunlight modulation at various altitudes + light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + //I had thought blue_density and haze_density should have equal weighting, + //but attenuation due to haze_density tends to seem too strong + + temp1 = blue_density + vec4(haze_density); + blue_weight = blue_density / temp1; + haze_weight = vec4(haze_density) / temp1; + + //(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain) + temp2.y = max(0.0, tmpLightnorm.y); + temp2.y = 1. / temp2.y; + sunlight *= exp( - light_atten * temp2.y); + + // main atmospheric scattering line integral + temp2.z = Plen * density_multiplier; + + // Transparency (-> temp1) + // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati + // compiler gets confused. + temp1 = exp(-temp1 * temp2.z * distance_multiplier); + + //final atmosphere attenuation factor + setAtmosAttenuation(temp1.rgb); + //vary_AtmosAttenuation = distance_multiplier / 10000.; + //vary_AtmosAttenuation = density_multiplier * 100.; + //vary_AtmosAttenuation = vec4(Plen / 100000., 0., 0., 1.); + + //compute haze glow + //(can use temp2.x as temp because we haven't used it yet) + temp2.x = dot(Pn, tmpLightnorm.xyz); + temp2.x = 1. - temp2.x; + //temp2.x is 0 at the sun and increases away from sun + temp2.x = max(temp2.x, .03); //was glow.y + //set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + temp2.x *= glow.x; + //higher glow.x gives dimmer glow (because next step is 1 / "angle") + temp2.x = pow(temp2.x, glow.z); + //glow.z should be negative, so we're doing a sort of (1 / "angle") function + + temp2.x *= sun_up_factor; + + //add "minimum anti-solar illumination" + temp2.x += .25; + + //increase ambient when there are more clouds + vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5; + + vec3 additive = + vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient) + + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x + + tmpAmbient)); additive = normalize(additive); - //haze color - //setAdditiveColor( - // vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient) - // + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x - // + tmpAmbient))); - - //brightness of surface both sunlight and ambient - setSunlitColor(vec3(sunlight * .5)); - setAmblitColor(vec3(tmpAmbient * .25)); - setAdditiveColor(additive * vec3(1.0 - exp(-temp2.z * distance_multiplier)) * 0.5); - - // vary_SunlitColor = vec3(0); - // vary_AmblitColor = vec3(0); - // vary_AdditiveColor = vec4(Pn, 1.0); - - /* - const float cloudShadowScale = 100.; - // Get cloud uvs for shadowing - vec3 cloudPos = inPositionEye + camPosWorld - cloudShadowScale / 2.; - vary_CloudUVs.xy = cloudPos.xz / cloudShadowScale; - - // We can take uv1 and multiply it by (TerrainSpan / CloudSpan) -// cloudUVs *= (((worldMaxZ - worldMinZ) * 20) /40000.); - vary_CloudUVs *= (10000./40000.); - - // Offset by sun vector * (CloudAltitude / CloudSpan) - vary_CloudUVs.x += tmpLightnorm.x / tmpLightnorm.y * (3000./40000.); - vary_CloudUVs.y += tmpLightnorm.z / tmpLightnorm.y * (3000./40000.); - */ + //haze color + //setAdditiveColor( + // vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient) + // + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x + // + tmpAmbient))); + + //brightness of surface both sunlight and ambient + setSunlitColor(vec3(sunlight * .5)); + setAmblitColor(vec3(tmpAmbient * .25)); + setAdditiveColor(additive * vec3(1.0 - exp(-temp2.z * distance_multiplier)) * 0.5); + + // vary_SunlitColor = vec3(0); + // vary_AmblitColor = vec3(0); + // vary_AdditiveColor = vec4(Pn, 1.0); + + /* + const float cloudShadowScale = 100.; + // Get cloud uvs for shadowing + vec3 cloudPos = inPositionEye + camPosWorld - cloudShadowScale / 2.; + vary_CloudUVs.xy = cloudPos.xz / cloudShadowScale; + + // We can take uv1 and multiply it by (TerrainSpan / CloudSpan) +// cloudUVs *= (((worldMaxZ - worldMinZ) * 20) /40000.); + vary_CloudUVs *= (10000./40000.); + + // Offset by sun vector * (CloudAltitude / CloudSpan) + vary_CloudUVs.x += tmpLightnorm.x / tmpLightnorm.y * (3000./40000.); + vary_CloudUVs.y += tmpLightnorm.z / tmpLightnorm.y * (3000./40000.); + */ } diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl index e3fa431ddf..93024bf4e7 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl @@ -66,60 +66,65 @@ vec4 cloudNoise(vec2 uv) void main() { - // Set variables - vec2 uv1 = vary_texcoord0.xy; - vec2 uv2 = vary_texcoord1.xy; + // 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; + vec4 cloudColorSun = vary_CloudColorSun; + vec4 cloudColorAmbient = vary_CloudColorAmbient; + float cloudDensity = vary_CloudDensity; + vec2 uv3 = vary_texcoord2.xy; + vec2 uv4 = vary_texcoord3.xy; + + if (cloud_scale < 0.001) + { + discard; + } vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); cloudDensity *= 1.0 - (density_variance * density_variance); - // Compute alpha1, the main cloud opacity + // 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.); + 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; - // Combine - vec4 color; - color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); - color *= 2.; + // Combine + vec4 color; + color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient); + color *= 2.; - /// Gamma correct for WL (soft clip effect). - frag_data[0] = vec4(scaleSoftClip(color.rgb), alpha1); - frag_data[1] = vec4(0.0,0.0,0.0,0.0); - frag_data[2] = vec4(0,0,1,0); + /// Gamma correct for WL (soft clip effect). + frag_data[0] = vec4(scaleSoftClip(color.rgb), alpha1); + frag_data[1] = vec4(0.0,0.0,0.0,0.0); + frag_data[2] = vec4(0,0,1,0); } diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl index c1dd45cd67..644cd5a35b 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl @@ -57,6 +57,7 @@ uniform float density_multiplier; uniform float max_y; uniform vec4 glow; +uniform float sun_up_factor; uniform vec4 cloud_color; @@ -65,126 +66,128 @@ uniform float cloud_scale; void main() { - // World / view / projection - gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); - - vary_texcoord0 = texcoord0; - - // Get relative position - vec3 P = position.xyz - camPosLocal.xyz + vec3(0,50,0); - - // Set altitude - if (P.y > 0.) - { - P *= (max_y / P.y); - } - else - { - P *= (-32000. / P.y); - } - - // Can normalize then - vec3 Pn = normalize(P); - float Plen = length(P); - - // Initialize temp variables - vec4 temp1 = vec4(0.); - vec4 temp2 = vec4(0.); - vec4 blue_weight; - vec4 haze_weight; - vec4 sunlight = sunlight_color; - vec4 light_atten; - - - // Sunlight attenuation effect (hue and brightness) due to atmosphere - // this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); - - // Calculate relative weights - temp1 = blue_density + haze_density; - blue_weight = blue_density / temp1; - haze_weight = haze_density / temp1; - - // Compute sunlight from P & lightnorm (for long rays like sky) - temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y ); - temp2.y = 1. / temp2.y; - sunlight *= exp( - light_atten * temp2.y); - - // Distance - temp2.z = Plen * density_multiplier; - - // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati - // compiler gets confused. - temp1 = exp(-temp1 * temp2.z); - - - // Compute haze glow - temp2.x = dot(Pn, lightnorm.xyz); - temp2.x = 1. - temp2.x; - // temp2.x is 0 at the sun and increases away from sun - temp2.x = max(temp2.x, .001); - // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.x *= glow.x; - // Higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.x = pow(temp2.x, glow.z); - // glow.z should be negative, so we're doing a sort of (1 / "angle") function - - // Add "minimum anti-solar illumination" - temp2.x += .25; - - // Increase ambient when there are more clouds - vec4 tmpAmbient = ambient; - tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; - - // Dim sunlight by cloud shadow percentage - sunlight *= (1. - cloud_shadow); - - // Haze color below cloud - vec4 additiveColorBelowCloud = ( blue_horizon * blue_weight * (sunlight + tmpAmbient) - + (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient) - ); - - // CLOUDS - - sunlight = sunlight_color; - temp2.y = max(0., lightnorm.y * 2.); - temp2.y = 1. / temp2.y; - sunlight *= exp( - light_atten * temp2.y); - - // Cloud color out - vary_CloudColorSun = (sunlight * temp2.x) * cloud_color; - vary_CloudColorAmbient = tmpAmbient * cloud_color; - - // Attenuate cloud color by atmosphere - temp1 = sqrt(temp1); //less atmos opacity (more transparency) below clouds - vary_CloudColorSun *= temp1; - vary_CloudColorAmbient *= temp1; - vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - temp1); - - // Make a nice cloud density based on the cloud_shadow value that was passed in. - vary_CloudDensity = 2. * (cloud_shadow - 0.25); - - - // Texture coords - vary_texcoord0 = texcoord0; - vary_texcoord0.xy -= 0.5; - vary_texcoord0.xy /= cloud_scale; - vary_texcoord0.xy += 0.5; - - vary_texcoord1 = vary_texcoord0; - vary_texcoord1.x += lightnorm.x * 0.0125; - vary_texcoord1.y += lightnorm.z * 0.0125; - - vary_texcoord2 = vary_texcoord0 * 16.; - vary_texcoord3 = vary_texcoord1 * 16.; - - // Combine these to minimize register use - vary_CloudColorAmbient += oHazeColorBelowCloud; - - // needs this to compile on mac - //vary_AtmosAttenuation = vec3(0.0,0.0,0.0); - - // END CLOUDS + // World / view / projection + gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); + + vary_texcoord0 = texcoord0; + + // Get relative position + vec3 P = position.xyz - camPosLocal.xyz + vec3(0,50,0); + + // Set altitude + if (P.y > 0.) + { + P *= (max_y / P.y); + } + else + { + P *= (-32000. / P.y); + } + + // Can normalize then + vec3 Pn = normalize(P); + float Plen = length(P); + + // Initialize temp variables + vec4 temp1 = vec4(0.); + vec4 temp2 = vec4(0.); + vec4 blue_weight; + vec4 haze_weight; + vec4 sunlight = sunlight_color; + vec4 light_atten; + + + // Sunlight attenuation effect (hue and brightness) due to atmosphere + // this is used later for sunlight modulation at various altitudes + light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + + // Calculate relative weights + temp1 = blue_density + haze_density; + blue_weight = blue_density / temp1; + haze_weight = haze_density / temp1; + + // Compute sunlight from P & lightnorm (for long rays like sky) + temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y ); + temp2.y = 1. / temp2.y; + sunlight *= exp( - light_atten * temp2.y); + + // Distance + temp2.z = Plen * density_multiplier; + + // Transparency (-> temp1) + // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati + // compiler gets confused. + temp1 = exp(-temp1 * temp2.z); + + + // Compute haze glow + temp2.x = dot(Pn, lightnorm.xyz); + temp2.x = 1. - temp2.x; + // temp2.x is 0 at the sun and increases away from sun + temp2.x = max(temp2.x, .001); + // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + temp2.x *= glow.x; + // Higher glow.x gives dimmer glow (because next step is 1 / "angle") + temp2.x = pow(temp2.x, glow.z); + // glow.z should be negative, so we're doing a sort of (1 / "angle") function + + temp2.x *= sun_up_factor; + + // Add "minimum anti-solar illumination" + temp2.x += .25; + + // Increase ambient when there are more clouds + vec4 tmpAmbient = ambient; + tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; + + // Dim sunlight by cloud shadow percentage + sunlight *= (1. - cloud_shadow); + + // Haze color below cloud + vec4 additiveColorBelowCloud = ( blue_horizon * blue_weight * (sunlight + tmpAmbient) + + (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient) + ); + + // CLOUDS + + sunlight = sunlight_color; + temp2.y = max(0., lightnorm.y * 2.); + temp2.y = 1. / temp2.y; + sunlight *= exp( - light_atten * temp2.y); + + // Cloud color out + vary_CloudColorSun = (sunlight * temp2.x) * cloud_color; + vary_CloudColorAmbient = tmpAmbient * cloud_color; + + // Attenuate cloud color by atmosphere + temp1 = sqrt(temp1); //less atmos opacity (more transparency) below clouds + vary_CloudColorSun *= temp1; + vary_CloudColorAmbient *= temp1; + vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - temp1); + + // Make a nice cloud density based on the cloud_shadow value that was passed in. + vary_CloudDensity = 2. * (cloud_shadow - 0.25); + + + // Texture coords + vary_texcoord0 = texcoord0; + vary_texcoord0.xy -= 0.5; + vary_texcoord0.xy /= max(0.001, cloud_scale); + vary_texcoord0.xy += 0.5; + + vary_texcoord1 = vary_texcoord0; + vary_texcoord1.x += lightnorm.x * 0.0125; + vary_texcoord1.y += lightnorm.z * 0.0125; + + vary_texcoord2 = vary_texcoord0 * 16.; + vary_texcoord3 = vary_texcoord1 * 16.; + + // Combine these to minimize register use + vary_CloudColorAmbient += oHazeColorBelowCloud; + + // needs this to compile on mac + //vary_AtmosAttenuation = vec3(0.0,0.0,0.0); + + // END CLOUDS } diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl index 3788ddaf2d..04cf4052b8 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl @@ -50,7 +50,7 @@ uniform float density_multiplier; uniform float max_y; uniform vec4 glow; - +uniform float sun_up_factor; uniform vec4 cloud_color; void main() @@ -119,6 +119,8 @@ void main() temp2.x = pow(temp2.x, glow.z); // glow.z should be negative, so we're doing a sort of (1 / "angle") function + temp2.x *= sun_up_factor; + // Add "minimum anti-solar illumination" temp2.x += .25; diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl index 65af2821be..95d5b52b45 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl @@ -67,48 +67,55 @@ vec4 computeMoments(float depth, float alpha); 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); - - vec2 uv4 = vary_texcoord3.xy; - - vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 - - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); - - 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.); - - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; - - if (alpha1 < 0.001f) + if (cloud_scale >= 0.001) { - discard; + // 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; + + vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); + + // Offset texture coords + uv1 += cloud_pos_density1.xy + (disturbance * 0.02); //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 + + float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y)); + + 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.); + + // 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.); + + // And smooth + alpha2 = 1. - alpha2; + alpha2 = 1. - alpha2 * alpha2; + + frag_color = computeMoments(length(pos), alpha1); + } + else + { + frag_color = vec4(0); } - - // 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; - - frag_color = computeMoments(length(pos), alpha1); } 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); } diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl index 53b6d88ef5..71e422ddf0 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl @@ -49,22 +49,22 @@ void main() { vary_pos = position; - // World / view / projection - gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); + // World / view / projection + gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); - // Texture coords - vary_texcoord0 = texcoord0; - vary_texcoord0.xy -= 0.5; - vary_texcoord0.xy /= cloud_scale; + // Texture coords + vary_texcoord0 = texcoord0; + vary_texcoord0.xy -= 0.5; + vary_texcoord0.xy /= max(0.001, cloud_scale); vary_texcoord0.xy += 0.5; - vary_texcoord1 = vary_texcoord0; - vary_texcoord1.x += lightnorm.x * 0.0125; + vary_texcoord1 = vary_texcoord0; + vary_texcoord1.x += lightnorm.x * 0.0125; vary_texcoord1.y += lightnorm.z * 0.0125; - vary_texcoord2 = vary_texcoord0 * 16.; - vary_texcoord3 = vary_texcoord1 * 16.; + vary_texcoord2 = vary_texcoord0 * 16.; + vary_texcoord3 = vary_texcoord1 * 16.; - // END CLOUDS + // END CLOUDS } diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp index e6306b391a..f9ab241988 100644 --- a/indra/newview/lldrawpoolwlsky.cpp +++ b/indra/newview/lldrawpoolwlsky.cpp @@ -232,6 +232,8 @@ void LLDrawPoolWLSky::renderSkyHazeAdvanced(const LLVector3& camPosLocal, F32 ca sky_shader->uniformMatrix4fv(LLShaderMgr::INVERSE_PROJECTION_MATRIX, 1, FALSE, inv_proj.m); + sky_shader->uniform1f(LLShaderMgr::SUN_UP_FACTOR, psky->getIsSunUp() ? 1.0f : 0.0f); + sky_shader->uniform3f(sCamPosLocal, camPosLocal.mV[0], camPosLocal.mV[1], camPosLocal.mV[2]); renderFsSky(camPosLocal, camHeightLocal, sky_shader); @@ -266,6 +268,8 @@ void LLDrawPoolWLSky::renderSkyHazeDeferred(const LLVector3& camPosLocal, F32 ca sky_shader->uniform1f(LLShaderMgr::DROPLET_RADIUS, droplet_radius); sky_shader->uniform1f(LLShaderMgr::ICE_LEVEL, ice_level); + sky_shader->uniform1f(LLShaderMgr::SUN_UP_FACTOR, psky->getIsSunUp() ? 1.0f : 0.0f); + /// Render the skydome renderDome(origin, camHeightLocal, sky_shader); @@ -475,7 +479,7 @@ void LLDrawPoolWLSky::renderSkyCloudsAdvanced(const LLVector3& camPosLocal, F32 cloudshader->uniform1f(LLShaderMgr::BLEND_FACTOR, blend_factor); cloudshader->uniform1f(LLShaderMgr::CLOUD_VARIANCE, cloud_variance); - + cloudshader->uniform1f(LLShaderMgr::SUN_UP_FACTOR, psky->getIsSunUp() ? 1.0f : 0.0f); cloudshader->uniform3f(sCamPosLocal, camPosLocal.mV[0], camPosLocal.mV[1], camPosLocal.mV[2]); /// Render the skydome @@ -530,6 +534,7 @@ void LLDrawPoolWLSky::renderSkyCloudsDeferred(const LLVector3& camPosLocal, F32 cloudshader->uniform1f(LLShaderMgr::BLEND_FACTOR, blend_factor); cloudshader->uniform1f(LLShaderMgr::CLOUD_VARIANCE, cloud_variance); + cloudshader->uniform1f(LLShaderMgr::SUN_UP_FACTOR, psky->getIsSunUp() ? 1.0f : 0.0f); /// Render the skydome renderDome(camPosLocal, camHeightLocal, cloudshader); diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp index af078251b3..7b5a922bbd 100644 --- a/indra/newview/llvosky.cpp +++ b/indra/newview/llvosky.cpp @@ -243,6 +243,16 @@ LLHeavenBody::LLHeavenBody(const F32 rad) mColorCached.setToBlack(); } +const LLQuaternion& LLHeavenBody::getRotation() const +{ + return mRotation; +} + +void LLHeavenBody::setRotation(const LLQuaternion& rot) +{ + mRotation = rot; +} + const LLVector3& LLHeavenBody::getDirection() const { return mDirection; @@ -738,6 +748,9 @@ void LLVOSky::updateDirections(void) mSun.setDirection(psky->getSunDirection()); mMoon.setDirection(psky->getMoonDirection()); + mSun.setRotation(psky->getSunRotation()); + mMoon.setRotation(psky->getMoonRotation()); + mSun.setColor(psky->getSunlightColor()); mMoon.setColor(psky->getMoonDiffuse()); @@ -1199,11 +1212,13 @@ bool LLVOSky::updateHeavenlyBodyGeometry(LLDrawable *drawable, F32 scale, const S32 index_offset; LLFace *facep; - LLVector3 to_dir = hb.getDirection(); + LLQuaternion rot = hb.getRotation(); + LLVector3 to_dir = LLVector3::x_axis * rot; + LLVector3 hb_right = LLVector3::y_axis * rot; + LLVector3 hb_up = LLVector3::z_axis * rot; + LLVector3 draw_pos = to_dir * HEAVENLY_BODY_DIST; - LLVector3 hb_right = to_dir % LLVector3::z_axis; - LLVector3 hb_up = hb_right % to_dir; hb_right.normalize(); hb_up.normalize(); diff --git a/indra/newview/llvosky.h b/indra/newview/llvosky.h index 0713661295..a9ef5474b6 100644 --- a/indra/newview/llvosky.h +++ b/indra/newview/llvosky.h @@ -30,6 +30,7 @@ #include "stdtypes.h" #include "v3color.h" #include "v4coloru.h" +#include "llquaternion.h" #include "llviewertexture.h" #include "llviewerobject.h" #include "llframetimer.h" @@ -38,7 +39,7 @@ #include "lllegacyatmospherics.h" const F32 SKY_BOX_MULT = 16.0f; -const F32 HEAVENLY_BODY_DIST = HORIZON_DIST - 10.f; +const F32 HEAVENLY_BODY_DIST = HORIZON_DIST - 20.f; const F32 HEAVENLY_BODY_FACTOR = 0.1f; const F32 HEAVENLY_BODY_SCALE = HEAVENLY_BODY_DIST * HEAVENLY_BODY_FACTOR; @@ -132,6 +133,7 @@ protected: LLColor3 mColorCached; F32 mIntensity; LLVector3 mDirection; // direction of the local heavenly body + LLQuaternion mRotation; LLVector3 mAngularVelocity; // velocity of the local heavenly body F32 mDiskRadius; @@ -147,6 +149,9 @@ public: LLHeavenBody(const F32 rad); ~LLHeavenBody() {} + const LLQuaternion& getRotation() const; + void setRotation(const LLQuaternion& rot); + const LLVector3& getDirection() const; void setDirection(const LLVector3 &direction); void setAngularVelocity(const LLVector3 &ang_vel); |