diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl')
| -rwxr-xr-x[-rw-r--r--] | indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl | 185 |
1 files changed, 150 insertions, 35 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index f53e15c6cc..f22b16965c 100644..100755 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -2,61 +2,176 @@ * @file fullbrightF.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ - + #extension GL_ARB_texture_rectangle : enable +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +#if !HAS_DIFFUSE_LOOKUP uniform sampler2D diffuseMap; -uniform sampler2DRect depthMap; -uniform sampler2D noiseMap; +#endif -uniform vec4 shadow_clip; -uniform vec2 screen_res; +VARYING vec3 vary_position; +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; -vec3 fullbrightAtmosTransport(vec3 light); -vec3 fullbrightScaleSoftClip(vec3 light); -varying vec3 vary_ambient; -varying vec3 vary_directional; -varying vec4 vary_position; -varying vec3 vary_normal; -varying vec3 vary_fragcoord; +vec3 srgb_to_linear(vec3 cs) +{ + vec3 low_range = cs / vec3(12.92); + vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); + bvec3 lte = lessThanEqual(cs,vec3(0.04045)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lte.r ? low_range.r : high_range.r; + result.g = lte.g ? low_range.g : high_range.g; + result.b = lte.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lte); +#endif -uniform mat4 inv_proj; +} -vec4 getPosition(vec2 pos_screen) +vec3 linear_to_srgb(vec3 cl) { - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; + cl = clamp(cl, vec3(0), vec3(1)); + vec3 low_range = cl * 12.92; + vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055; + bvec3 lt = lessThan(cl,vec3(0.0031308)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lt.r ? low_range.r : high_range.r; + result.g = lt.g ? low_range.g : high_range.g; + result.b = lt.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lt); +#endif + } -void main() +vec3 fullbrightAtmosTransportDeferred(vec3 light) +{ + return light; +} + +vec3 fullbrightScaleSoftClipDeferred(vec3 light) +{ + //soft clip effect: + return light; +} + +#ifdef HAS_ALPHA_MASK +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) { - vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; - frag *= screen_res; + //normalize view vector + vec3 view = normalize(pos); + float es = -(dot(view, waterPlane.xyz)); + + //find intersection point with water plane and eye vector - vec3 samp_pos = getPosition(frag).xyz; + //get eye depth + float e0 = max(-waterPlane.w, 0.0); - float shadow = 1.0; - vec4 pos = vary_position; + 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); - vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy)*gl_Color; + 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; - color.rgb = fullbrightAtmosTransport(color.rgb); + return color; +} +#endif + +void main() +{ +#if HAS_DIFFUSE_LOOKUP + vec4 color = diffuseLookup(vary_texcoord0.xy); +#else + vec4 color = texture2D(diffuseMap, vary_texcoord0.xy); +#endif - color.rgb = fullbrightScaleSoftClip(color.rgb); + float final_alpha = color.a * vertex_color.a; - //gl_FragColor = gl_Color; - gl_FragColor = color; - //gl_FragColor = vec4(1,0,1,1); +#ifdef HAS_ALPHA_MASK + if (color.a < minimum_alpha) + { + discard; + } +#endif + + color.rgb *= vertex_color.rgb; + color.rgb = srgb_to_linear(color.rgb); + color.rgb = fullbrightAtmosTransportDeferred(color.rgb); + color.rgb = fullbrightScaleSoftClipDeferred(color.rgb); + color.rgb = linear_to_srgb(color.rgb); + +#ifdef WATER_FOG + vec3 pos = vary_position; + vec4 fogged = applyWaterFogDeferred(pos, vec4(color.rgb, final_alpha)); + color.rgb = fogged.rgb; + color.a = fogged.a; +#else + color.a = final_alpha; +#endif + + frag_color.rgb = color.rgb; + frag_color.a = color.a; } |