From b6b23926340d8a2ac142b02923f04624b7c6b08e Mon Sep 17 00:00:00 2001 From: "Graham Linden graham@lindenlab.com" Date: Fri, 9 Mar 2018 21:40:46 +0000 Subject: De-duplicate water fog code and modify programs to include the shared object as necessary. --- .../shaders/class1/deferred/alphaF.glsl | 53 ++-------------------- .../shaders/class1/deferred/fullbrightF.glsl | 51 ++------------------- .../shaders/class1/deferred/materialF.glsl | 52 ++------------------- .../shaders/class1/deferred/softenLightF.glsl | 53 ++-------------------- .../shaders/class1/environment/waterFogF.glsl | 12 +++-- 5 files changed, 28 insertions(+), 193 deletions(-) (limited to 'indra/newview/app_settings') diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index b9c8f34cb0..b36016529c 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -98,6 +98,10 @@ uniform vec3 light_direction[8]; uniform vec3 light_attenuation[8]; uniform vec3 light_diffuse[8]; +#ifdef WATER_FOG +vec4 applyWaterFogView(vec3 pos, vec4 color); +#endif + vec3 srgb_to_linear(vec3 cs) { vec3 low_range = cs / vec3(12.92); @@ -219,52 +223,6 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc) } #endif -#ifdef WATER_FOG -uniform vec4 waterPlane; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; - -vec4 applyWaterFogDeferred(vec3 pos, vec4 color) -{ - //normalize view vector - vec3 view = normalize(pos); - 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; - float ks = waterFogKS; - vec4 kc = waterFogColor; - - 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.a = kc.a + color.a; - - return color; -} -#endif - vec3 getSunlitColor() { return vary_SunlitColor; @@ -621,9 +579,8 @@ void main() color.rgb = linear_to_srgb(color.rgb); #ifdef WATER_FOG - color = applyWaterFogDeferred(pos.xyz, color); + color = applyWaterFogView(pos.xyz, color); #endif - #endif frag_color = color; diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index 756e625d07..d554377220 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -41,6 +41,9 @@ VARYING vec3 vary_position; VARYING vec4 vertex_color; VARYING vec2 vary_texcoord0; +#ifdef WATER_FOG +vec4 applyWaterFogView(vec3 pos, vec4 color); +#endif vec3 srgb_to_linear(vec3 cs) { @@ -94,52 +97,6 @@ vec3 fullbrightScaleSoftClipDeferred(vec3 light) uniform float minimum_alpha; #endif -#ifdef WATER_FOG -uniform vec4 waterPlane; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; - -vec4 applyWaterFogDeferred(vec3 pos, vec4 color) -{ - //normalize view vector - vec3 view = normalize(pos); - 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; - float ks = waterFogKS; - vec4 kc = waterFogColor; - - 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.a = kc.a + color.a; - - return color; -} -#endif - void main() { #if HAS_DIFFUSE_LOOKUP @@ -166,7 +123,7 @@ void main() #ifdef WATER_FOG vec3 pos = vary_position; - vec4 fogged = applyWaterFogDeferred(pos, vec4(color.rgb, final_alpha)); + vec4 fogged = applyWaterFogView(pos, vec4(color.rgb, final_alpha)); color.rgb = fogged.rgb; color.a = fogged.a; #else diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index 76750c400a..6fa625765a 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -33,6 +33,10 @@ uniform float emissive_brightness; uniform float display_gamma; +#ifdef WATER_FOG +vec4 applyWaterFogView(vec3 pos, vec4 color); +#endif + vec3 srgb_to_linear(vec3 cs) { vec3 low_range = cs / vec3(12.92); @@ -154,52 +158,6 @@ uniform vec3 light_direction[8]; uniform vec3 light_attenuation[8]; uniform vec3 light_diffuse[8]; -#ifdef WATER_FOG -uniform vec4 waterPlane; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; - -vec4 applyWaterFogDeferred(vec3 pos, vec4 color) -{ - //normalize view vector - vec3 view = normalize(pos); - 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; - float ks = waterFogKS; - vec4 kc = waterFogColor; - - 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.a = kc.a + color.a; - - return color; -} -#endif - vec3 calcDirectionalLight(vec3 n, vec3 l) { float a = max(dot(n,l),0.0); @@ -773,7 +731,7 @@ void main() col.rgb = linear_to_srgb(col.rgb); #ifdef WATER_FOG - vec4 temp = applyWaterFogDeferred(pos, vec4(col.rgb, al)); + vec4 temp = applyWaterFogView(pos, vec4(col.rgb, al)); col.rgb = temp.rgb; al = temp.a; #endif diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 7f1a8cce0d..b294dba167 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -81,6 +81,10 @@ vec3 vary_AtmosAttenuation; uniform mat4 inv_proj; uniform vec2 screen_res; +#ifdef WATER_FOG +vec4 applyWaterFogView(vec3 pos, vec4 color); +#endif + vec3 srgb_to_linear(vec3 cs) { vec3 low_range = cs / vec3(12.92); @@ -193,53 +197,6 @@ void setAtmosAttenuation(vec3 v) vary_AtmosAttenuation = v; } - -#ifdef WATER_FOG -uniform vec4 waterPlane; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; - -vec4 applyWaterFogDeferred(vec3 pos, vec4 color) -{ - //normalize view vector - vec3 view = normalize(pos); - 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; - float ks = waterFogKS; - vec4 kc = waterFogColor; - - 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.a = kc.a + color.a; - - return color; -} -#endif - void calcAtmospherics(vec3 inPositionEye, float ambFactor) { vec3 P = inPositionEye; @@ -462,7 +419,7 @@ void main() } #ifdef WATER_FOG - vec4 fogged = applyWaterFogDeferred(pos,vec4(col, bloom)); + vec4 fogged = applyWaterFogView(pos,vec4(col, bloom)); col = fogged.rgb; bloom = fogged.a; #endif diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl index 4bdfce9260..a7c28a1ac3 100644 --- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl @@ -33,10 +33,10 @@ uniform float waterFogKS; vec3 getPositionEye(); -vec4 applyWaterFog(vec4 color) +vec4 applyWaterFogView(vec3 pos, vec4 color) { + vec3 view = normalize(pos); //normalize view vector - vec3 view = normalize(getPositionEye()); float es = -(dot(view, waterPlane.xyz)); //find intersection point with water plane and eye vector @@ -47,7 +47,7 @@ vec4 applyWaterFog(vec4 color) vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0); //get object depth - float depth = length(getPositionEye() - int_v); + float depth = length(pos - int_v); //get "thickness" of water float l = max(depth, 0.1); @@ -72,3 +72,9 @@ vec4 applyWaterFog(vec4 color) return color; } +vec4 applyWaterFog(vec4 color) +{ + //normalize view vector + return applyWaterFogView(getPositionEye(), color); +} + -- cgit v1.2.3