diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl | 41 |
1 files changed, 5 insertions, 36 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl index 16651dcdbc..745999fc2f 100644 --- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl @@ -33,6 +33,7 @@ uniform float waterFogKS; vec3 getPositionEye(); vec3 srgb_to_linear(vec3 col); +vec3 linear_to_srgb(vec3 col); vec4 applyWaterFogView(vec3 pos, vec4 color) { @@ -68,48 +69,16 @@ vec4 applyWaterFogView(vec3 pos, vec4 color) float D = pow(0.98, l*kd); color.rgb = color.rgb * D + kc.rgb * L; + color.a = kc.a + color.a; return color; } vec4 applyWaterFogViewLinearNoClip(vec3 pos, vec4 color, vec3 sunlit) { - vec3 view = normalize(pos); - //normalize view vector - float es = -(dot(view, waterPlane.xyz)); - - - //find intersection point with water plane and eye vector - - //get eye depth - float e0 = max(-waterPlane.w, 0.0); - - vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w / es : vec3(0.0, 0.0, 0.0); - - //get object depth - float depth = length(pos - int_v); - - //get "thickness" of water - float l = max(depth, 0.1); - - float kd = waterFogDensity*1.3; - float ks = waterFogKS; - vec4 kc = waterFogColor; - kc.rgb = srgb_to_linear(kc.rgb); // TODO -- pass in waterFogColor linear - kc.rgb *= sunlit; - - float F = 0.98; - - float t1 = -kd * pow(F, ks * e0); - float t2 = kd + ks * es; - float t3 = pow(F, t2 * l) - 1.0; - - float L = min(t1 / t2 * t3, 1.0); - - float D = pow(0.98, l * kd); - - color.rgb = color.rgb * D + kc.rgb * L; - + color.rgb = linear_to_srgb(color.rgb); + color = applyWaterFogView(pos, color); + color.rgb = srgb_to_linear(color.rgb); return color; } |