diff options
author | RunitaiLinden <davep@lindenlab.com> | 2023-11-16 16:46:12 -0600 |
---|---|---|
committer | RunitaiLinden <davep@lindenlab.com> | 2023-11-16 16:46:12 -0600 |
commit | bdb53fd56d56c659941e7e63f83cefc366acef6d (patch) | |
tree | 89a6744852e7df622df02477a54c977aa91783d7 /indra/newview/app_settings/shaders/class1/environment | |
parent | 361efcb9267f2c91f88198081bbe6ac2264766fd (diff) |
SL-20611 Make haze effect local lights -- move sky and water haze to their own passes and unify sky and water haze in forward rendering shaders.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl index cfdb393b34..140e01cc2a 100644 --- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl @@ -30,12 +30,12 @@ uniform vec4 waterFogColor; uniform float waterFogDensity; uniform float waterFogKS; -vec3 getPositionEye(); - vec3 srgb_to_linear(vec3 col); vec3 linear_to_srgb(vec3 col); -vec4 applyWaterFogView(vec3 pos, vec4 color) +// get a water fog color that will apply the appropriate haze to a color given +// a blend function of (ONE, SOURCE_ALPHA) +vec4 getWaterFogViewNoClip(vec3 pos) { vec3 view = normalize(pos); //normalize view vector @@ -67,38 +67,44 @@ vec4 applyWaterFogView(vec3 pos, vec4 color) float L = min(t1/t2*t3, 1.0); float D = pow(0.98, l*kd); + + return vec4(srgb_to_linear(kc.rgb*L), D); +} + +vec4 getWaterFogView(vec3 pos) +{ + if (dot(pos, waterPlane.xyz) + waterPlane.w > 0.0) + { + return vec4(0,0,0,1); + } + + return getWaterFogViewNoClip(pos); +} + +vec4 applyWaterFogView(vec3 pos, vec4 color) +{ + vec4 fogged = getWaterFogView(pos); - color.rgb = color.rgb * D + kc.rgb * L; + color.rgb = color.rgb * fogged.a + fogged.rgb; return color; } -vec4 applyWaterFogViewLinearNoClip(vec3 pos, vec4 color, vec3 sunlit) +vec4 applyWaterFogViewLinearNoClip(vec3 pos, vec4 color) { - color.rgb = linear_to_srgb(color.rgb); - color = applyWaterFogView(pos, color); - color.rgb = srgb_to_linear(color.rgb); + vec4 fogged = getWaterFogViewNoClip(pos); + color.rgb *= fogged.a; + color.rgb += fogged.rgb; return color; } -vec4 applyWaterFogViewLinear(vec3 pos, vec4 color, vec3 sunlit) +vec4 applyWaterFogViewLinear(vec3 pos, vec4 color) { if (dot(pos, waterPlane.xyz) + waterPlane.w > 0.0) { return color; } - return applyWaterFogViewLinearNoClip(pos, color, sunlit); -} - -vec4 applyWaterFogViewLinear(vec3 pos, vec4 color) -{ - return applyWaterFogViewLinear(pos, color, vec3(1)); -} - -vec4 applyWaterFog(vec4 color) -{ - //normalize view vector - return applyWaterFogViewLinear(getPositionEye(), color); + return applyWaterFogViewLinearNoClip(pos, color); } |