diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/materialF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/materialF.glsl | 136 |
1 files changed, 67 insertions, 69 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index 373727f572..1c0516923e 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -88,17 +88,19 @@ float getAmbientClamp(); vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spec, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, inout float glare, float ambiance) { - //get light vector - vec3 lv = lp.xyz-v; - - //get distance - float d = length(lv); - - float da = 1.0; + vec3 col = vec3(0); + +la /= 20.0f; - vec3 col = vec3(0,0,0); + //get light vector + vec3 lv = lp.xyz-v; + + //get distance + float d = length(lv); + + float da = 1.0; - vec4 proj_tc = proj_mat * lp; + /*vec4 proj_tc = proj_mat * lp; if (proj_tc.z < 0 || proj_tc.z > 1 @@ -108,77 +110,68 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe || proj_tc.y > 1) { return col; - } + }*/ - if (d > 0.0 && la > 0.0 && fa > 0.0) + if (d > 0.0 && la > 0.0 && fa > 0.0) { - //normalize light vector - lv = normalize(lv); - -la /= 20.0f; - - //distance attenuation - float dist = d/la; - - float dist_atten = (fa > 0) ? clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0) : 1.0f; - dist_atten *= dist_atten; - - if (dist_atten <= 0) - { - return col; - } - - // spotlight coefficient. - float spot = max(dot(-ln, lv), is_pointlight); - - //angular attenuation - da = dot(n, lv); - da = clamp(da, 0.0, 1.0); - - da *= spot*spot; // GL_SPOT_EXPONENT=2 - - float lit = max(da * dist_atten, 0.0); + //normalize light vector + lv = normalize(lv); + + //distance attenuation + float dist = d/la; + float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0f; + + // 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); + + float lit = max(da * dist_atten, 0.0); float amb_da = ambiance; if (lit > 0) { col = light_col*lit*diffuse; amb_da += (da*0.5 + 0.5) * ambiance; - amb_da += (da*da*0.5+0.5) * ambiance; } + amb_da += (da*da*0.5+0.5) * ambiance; amb_da *= dist_atten; amb_da = min(amb_da, 1.0f - lit); - col.rgb += amb_da * 0.5 * light_col * diffuse; - - if (spec.a > 0.0) - { - //vec3 ref = dot(pos+lv, norm); - vec3 h = normalize(lv+npos); - float nh = dot(n, h); - float nv = dot(n, npos); - float vh = dot(npos, h); - float sa = nh; - float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; - - float gtdenom = 2 * nh; - float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); - - if (nh > 0.0) - { - float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); - vec3 speccol = lit*scol*light_col.rgb*spec.rgb; + col.rgb += amb_da * light_col * diffuse; + + if (spec.a > 0.0) + { + //vec3 ref = dot(pos+lv, norm); + vec3 h = normalize(lv+npos); + float nh = dot(n, h); + float nv = dot(n, npos); + float vh = dot(npos, h); + float sa = nh; + float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; + + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); + + if (nh > 0.0) + { + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); + vec3 speccol = lit*scol*light_col.rgb*spec.rgb; speccol = clamp(speccol, vec3(0), vec3(1)); - col += speccol; + col += speccol; - float cur_glare = max(speccol.r, speccol.g); - cur_glare = max(cur_glare, speccol.b); - glare = max(glare, speccol.r); - glare += max(cur_glare, 0.0); - } - } - } + float cur_glare = max(speccol.r, speccol.g); + cur_glare = max(cur_glare, speccol.b); + glare = max(glare, speccol.r); + glare += max(cur_glare, 0.0); + } + } + } - return max(col, vec3(0.0,0.0,0.0)); + return max(col, vec3(0.0,0.0,0.0)); } #else @@ -321,18 +314,22 @@ void main() float ambient = da; ambient *= 0.5; ambient *= ambient; - + float ambient_clamp = getAmbientClamp() + 0.1; ambient = (1.0 - ambient) * ambient_clamp; vec3 sun_contrib = min(final_da, shadow) * sunlit; +#if !defined(AMBIENT_KILL) color.rgb = amblit; color.rgb *= ambient; +#endif vec3 post_ambient = color.rgb; +#if !defined(SUNLIGHT_KILL) color.rgb += sun_contrib; +#endif vec3 post_sunlight = color.rgb; @@ -398,7 +395,7 @@ vec3 post_atmo = color.rgb; vec3 light = vec3(0,0,0); - #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse_linear.rgb, final_specular, pos.xyz, norm.xyz, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare, light_attenuation[i].w); + #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse_linear.rgb, final_specular, pos.xyz, norm.xyz, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare, light_attenuation[i].w ); LIGHT_LOOP(1) LIGHT_LOOP(2) @@ -408,11 +405,12 @@ vec3 post_atmo = color.rgb; LIGHT_LOOP(6) LIGHT_LOOP(7) - glare = min(glare, 1.0); float al = max(diffuse_linear.a,glare)*vertex_color.a; +#if !defined(LOCAL_LIGHT_KILL) color.rgb += light.rgb; +#endif // (only) post-deferred needs inline gamma correction color.rgb = linear_to_srgb(color.rgb); |