diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3')
3 files changed, 94 insertions, 82 deletions
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 } |