diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1')
6 files changed, 254 insertions, 149 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index ea6d22d9c2..f4298d2bde 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -36,6 +36,24 @@ out vec4 frag_color; #endif uniform float display_gamma; +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 scene_light_strength; +uniform mat3 env_mat; +uniform mat3 ssao_effect_mat; + +uniform vec3 sun_dir; #if HAS_SHADOW uniform sampler2DShadow shadowMap0; @@ -55,29 +73,26 @@ uniform float shadow_bias; uniform sampler2D diffuseMap; #endif -vec3 atmosLighting(vec3 light); -vec3 scaleSoftClip(vec3 light); - -VARYING vec3 vary_ambient; -VARYING vec3 vary_directional; VARYING vec3 vary_fragcoord; VARYING vec3 vary_position; -VARYING vec3 vary_pointlight_col; -VARYING vec3 vary_pointlight_col_linear; VARYING vec2 vary_texcoord0; VARYING vec3 vary_norm; - -#ifdef USE_VERTEX_COLOR VARYING vec4 vertex_color; -#endif + +vec3 vary_PositionEye; +vec3 vary_SunlitColor; +vec3 vary_AmblitColor; +vec3 vary_AdditiveColor; +vec3 vary_AtmosAttenuation; + +uniform mat4 inv_proj; +uniform vec2 screen_res; uniform vec4 light_position[8]; uniform vec3 light_direction[8]; uniform vec3 light_attenuation[8]; uniform vec3 light_diffuse[8]; -uniform vec2 screen_res; - vec3 calcDirectionalLight(vec3 n, vec3 l) { float a = max(dot(n,l),0.0); @@ -191,6 +206,192 @@ vec4 applyWaterFogDeferred(vec3 pos, vec4 color) } #endif +vec3 getSunlitColor() +{ + return vary_SunlitColor; +} +vec3 getAmblitColor() +{ + return vary_AmblitColor; +} +vec3 getAdditiveColor() +{ + return vary_AdditiveColor; +} +vec3 getAtmosAttenuation() +{ + return vary_AtmosAttenuation; +} + +void setPositionEye(vec3 v) +{ + vary_PositionEye = v; +} + +void setSunlitColor(vec3 v) +{ + vary_SunlitColor = v; +} + +void setAmblitColor(vec3 v) +{ + vary_AmblitColor = v; +} + +void setAdditiveColor(vec3 v) +{ + vary_AdditiveColor = v; +} + +void setAtmosAttenuation(vec3 v) +{ + vary_AtmosAttenuation = v; +} + +void calcAtmospherics(vec3 inPositionEye, float ambFactor) { + + vec3 P = inPositionEye; + setPositionEye(P); + + 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); + + //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; + + /* decrease value and saturation (that in HSV, not HSL) for occluded areas + * // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html + * // The following line of code performs the equivalent of: + * float ambAlpha = tmpAmbient.a; + * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis + * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue); + * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha); + */ + tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a); + + //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(getAdditiveColor() * vec3(1.0 - temp1)); +} + +vec3 atmosLighting(vec3 light) +{ + light *= getAtmosAttenuation().r; + light += getAdditiveColor(); + return (2.0 * light); +} + +vec3 atmosTransport(vec3 light) { + light *= getAtmosAttenuation().r; + light += getAdditiveColor() * 2.0; + return light; +} +vec3 atmosGetDiffuseSunlightColor() +{ + return getSunlitColor(); +} + +vec3 scaleDownLight(vec3 light) +{ + return (light / vec3(scene_light_strength, scene_light_strength, scene_light_strength)); +} + +vec3 scaleUpLight(vec3 light) +{ + return (light * vec3(scene_light_strength, scene_light_strength, scene_light_strength)); +} + +vec3 atmosAmbient(vec3 light) +{ + return getAmblitColor() + (light * vec3(0.5f, 0.5f, 0.5f)); +} + +vec3 atmosAffectDirectionalLight(float lightIntensity) +{ + return getSunlitColor() * vec3(lightIntensity, lightIntensity, lightIntensity); +} + +vec3 scaleSoftClip(vec3 light) +{ + //soft clip effect: + vec3 zeroes = vec3(0.0f, 0.0f, 0.0f); + vec3 ones = vec3(1.0f, 1.0f, 1.0f); + + light = ones - clamp(light, zeroes, ones); + light = ones - pow(light, gamma.xxx); + + return light; +} + +vec3 fullbrightAtmosTransport(vec3 light) { + float brightness = dot(light.rgb, vec3(0.33333)); + + return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness); +} + +vec3 fullbrightScaleSoftClip(vec3 light) +{ + //soft clip effect: + return light; +} + vec3 srgb_to_linear(vec3 cs) { @@ -229,13 +430,15 @@ void main() vec4 pos = vec4(vary_position, 1.0); + float shadow = 1.0; -#if HAS_SHADOW - float shadow = 0.0; +#if HAS_SHADOW vec4 spos = pos; if (spos.z > -shadow_clip.w) { + shadow = 0.0; + vec4 lpos; vec4 near_split = shadow_clip*-0.75; @@ -294,7 +497,6 @@ void main() { shadow = 1.0; } - #endif #ifdef USE_INDEXED_TEX @@ -303,36 +505,43 @@ void main() vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy); #endif vec4 gamma_diff = diff; - - diff.rgb = srgb_to_linear(diff.rgb); -#ifdef USE_VERTEX_COLOR - float vertex_color_alpha = diff.a * vertex_color.a; -#else - float vertex_color_alpha = diff.a; -#endif + diff.rgb = srgb_to_linear(diff.rgb); + diff.rgb *= vertex_color.rgb; + + float final_alpha = diff.a * vertex_color.a; - vec3 normal = vary_norm; + vec3 norm = vary_norm; + + calcAtmospherics(pos.xyz, 1.0); - vec3 l = light_position[0].xyz; - vec3 dlight = calcDirectionalLight(normal, l); - dlight = dlight * vary_directional.rgb * vary_pointlight_col; + float da =dot(norm.xyz, sun_dir.xyz); + float final_da = da; + final_da = min(final_da, shadow); + final_da = max(final_da, final_alpha); + final_da = max(final_da, 0.0f); -#if HAS_SHADOW - vec4 col = vec4(vary_ambient + dlight * shadow, vertex_color_alpha); -#else - vec4 col = vec4(vary_ambient + dlight, vertex_color_alpha); -#endif + vec4 color = vec4(0,0,0,0); - vec4 color = col; + color.rgb = atmosAmbient(color.rgb); + color.a = final_alpha; + + float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0-ambient); + + color.rgb *= ambient; + + color.rgb += atmosAffectDirectionalLight(final_da); color.rgb *= gamma_diff.rgb; - color.rgb = atmosLighting(color.rgb); - color.rgb = scaleSoftClip(color.rgb); - - col = vec4(0,0,0,0); + color.rgb = mix(atmosLighting(color.rgb), fullbrightAtmosTransport(color.rgb), diff.a); + color.rgb = mix(scaleSoftClip(color.rgb), fullbrightScaleSoftClip(color.rgb), diff.a); + + vec4 light = vec4(0,0,0,0); - #define LIGHT_LOOP(i) col.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, diff.rgb, pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z); + #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, diff.rgb, pos.xyz, norm, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z); LIGHT_LOOP(1) LIGHT_LOOP(2) @@ -344,7 +553,7 @@ void main() // keep it linear // - color.rgb = srgb_to_linear(color.rgb) + col.rgb; + color.rgb = srgb_to_linear(color.rgb) + light.rgb; // ramp directly to display gamma as we're POST-deferred // diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl index 6b5b54b863..3696234af6 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl @@ -41,10 +41,7 @@ void passTextureIndex(); ATTRIBUTE vec3 normal; -#ifdef USE_VERTEX_COLOR ATTRIBUTE vec4 diffuse_color; -#endif - ATTRIBUTE vec2 texcoord0; #ifdef HAS_SKIN @@ -55,78 +52,14 @@ mat4 getSkinnedTransform(); #endif #endif -vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); -void calcAtmospherics(vec3 inPositionEye); - -vec3 atmosAmbient(vec3 light); -vec3 atmosAffectDirectionalLight(float lightIntensity); -vec3 scaleDownLight(vec3 light); -vec3 scaleUpLight(vec3 light); - -VARYING vec3 vary_ambient; -VARYING vec3 vary_directional; VARYING vec3 vary_fragcoord; VARYING vec3 vary_position; -VARYING vec3 vary_pointlight_col; -VARYING vec3 vary_pointlight_col_linear; - -#ifdef USE_VERTEX_COLOR VARYING vec4 vertex_color; -#endif - VARYING vec2 vary_texcoord0; - VARYING vec3 vary_norm; uniform float near_clip; -uniform vec4 light_position[8]; -uniform vec3 light_direction[8]; -uniform vec3 light_attenuation[8]; -uniform vec3 light_diffuse[8]; - -uniform vec3 sun_dir; - -vec3 srgb_to_linear(vec3 cs) -{ - -/* { cs / 12.92, cs <= 0.04045 - cl = { - { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/ - - return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); -} - -vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) -{ - //get light vector - vec3 lv = lp.xyz-v; - - //get distance - float d = dot(lv,lv); - - float da = 0.0; - - if (d > 0.0 && la > 0.0 && fa > 0.0) - { - //normalize light vector - lv = normalize(lv); - - //distance attenuation - float dist2 = d/la; - da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); - - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - da *= spot*spot; // GL_SPOT_EXPONENT=2 - - //angular attenuation - da *= max(dot(n, lv), 0.0); - } - - return vec3(da,da,da); -} - void main() { vec4 pos; @@ -179,40 +112,7 @@ void main() vary_norm = norm; vary_position = pos.xyz; - calcAtmospherics(pos.xyz); - -#ifndef USE_VERTEX_COLOR - vec4 diffuse_color = vec4(1,1,1,1); -#endif - //vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.)); - vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a); - - vec3 diff = diffuse_color.rgb; - - vary_pointlight_col = diff; - vary_pointlight_col_linear = srgb_to_linear(diff); - - col.rgb = vec3(0,0,0); - - // Add windlight lights - col.rgb = atmosAmbient(col.rgb); - - float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); - ambient *= 0.5; - ambient *= ambient; - ambient = (1.0-ambient); - - col.rgb *= ambient; - - vary_ambient = col.rgb*diff.rgb; - - vary_directional.rgb = atmosAffectDirectionalLight(1.0f); - - col.rgb = col.rgb*diff.rgb; - -#ifdef USE_VERTEX_COLOR - vertex_color = col; -#endif + vertex_color = diffuse_color; #ifdef HAS_SKIN vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip); @@ -228,4 +128,3 @@ void main() #endif } - diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index a46fbd9516..b8c5360486 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -538,7 +538,7 @@ void main() #endif #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) - vec3 old_diffcol = diffcol.rgb; + vec3 gamma_diff = diffcol.rgb; diffcol.rgb = srgb_to_linear(diffcol.rgb); #endif @@ -558,7 +558,7 @@ void main() dot(norm.xyz,vary_mat1), dot(norm.xyz,vary_mat2)); #else - vec4 norm = vec4(0,0,0,1.0); + vec4 norm = vec4(0,1,0,1.0); vec3 tnorm = vary_normal; #endif @@ -683,8 +683,7 @@ void main() col.rgb *= ambient; col.rgb = col.rgb + atmosAffectDirectionalLight(final_da); //pow(final_da, 1.0/1.3)); - col.rgb *= old_diffcol.rgb; - + col.rgb *= gamma_diff.rgb; float glare = 0.0; @@ -745,7 +744,6 @@ void main() glare = min(glare, 1.0); float al = max(diffcol.a,glare)*vertex_color.a; - //convert to gamma space for display on screen col.rgb = linear_to_srgb(col.rgb); @@ -759,7 +757,6 @@ void main() frag_color.a = al; #else - //final_color.rgb = old_diffcol.rgb; frag_data[0] = final_color; frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent. frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 11220bfa47..3b6724479c 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -198,7 +198,7 @@ void main() proj_tc.xyz /= proj_tc.w; - float fa = falloff+1.0; + float fa = falloff; float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0); dist_atten *= dist_atten; dist_atten *= 2.0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl index 106d48bd71..4ca0c35d91 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl @@ -115,7 +115,7 @@ void main() float noise = texture2D(noiseMap, frag.xy/128.0).b; vec3 col = texture2DRect(diffuseRect, frag.xy).rgb; - float fa = falloff+1.0; + float fa = falloff; float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); dist_atten *= dist_atten; dist_atten *= 2.0; diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl index 61262c9eb5..53732e961c 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl @@ -201,7 +201,7 @@ void main() proj_tc.xyz /= proj_tc.w; - float fa = falloff+1.0; + float fa = falloff; float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0); dist_atten *= dist_atten; dist_atten *= 2.0; |