From bb5bf632c6c3dea22865a86dc8c13f5de9ce06f0 Mon Sep 17 00:00:00 2001 From: Geenz Date: Wed, 17 Apr 2013 15:53:09 -0400 Subject: First pass of gamma correction reimplementation. --- .../app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index b3ab8fd510..cfdb53b5cc 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -82,6 +82,7 @@ vec3 decode_normal (vec2 enc) vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = tc-vec2(0.5); @@ -97,6 +98,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -114,6 +116,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = tc-vec2(0.5); @@ -193,6 +196,7 @@ void main() vec3 col = vec3(0,0,0); vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; + diff_tex = pow(diff_tex, vec3(2.2)); float noise = texture2D(noiseMap, frag.xy/128.0).b; if (proj_tc.z > 0.0 && @@ -214,8 +218,6 @@ void main() vec3 lcol = color.rgb * plcol.rgb * plcol.a; lit = da * dist_atten * noise; - - lit = pow(lit, 0.7); col = lcol*lit*diff_tex*shadow; amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; @@ -235,6 +237,8 @@ void main() vec4 spec = texture2DRect(specularRect, frag.xy); + spec.rgb = pow(spec.rgb, vec3(2.2)); + if (spec.a > 0.0) { vec3 ref = reflect(normalize(pos), norm); -- cgit v1.2.3 From 6b836eacafd21c1ccac2c7276483ed393a4b406e Mon Sep 17 00:00:00 2001 From: Geenz Date: Thu, 18 Apr 2013 19:43:30 -0400 Subject: Use GL_SRGB8_ALPHA8 for the diffuse and specular buffers, and correct gamma *before* glow and other post processing effects that don't care about being gamma correct. --- indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 2 -- 1 file changed, 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index cfdb53b5cc..31f5c8afbb 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -196,7 +196,6 @@ void main() vec3 col = vec3(0,0,0); vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; - diff_tex = pow(diff_tex, vec3(2.2)); float noise = texture2D(noiseMap, frag.xy/128.0).b; if (proj_tc.z > 0.0 && @@ -237,7 +236,6 @@ void main() vec4 spec = texture2DRect(specularRect, frag.xy); - spec.rgb = pow(spec.rgb, vec3(2.2)); if (spec.a > 0.0) { -- cgit v1.2.3 From b6a6479c372e311b45e27eafd368e2045ca21790 Mon Sep 17 00:00:00 2001 From: Geenz Date: Thu, 18 Apr 2013 21:31:10 -0400 Subject: Mitigation for light attenuation looking different with gamma correction. Assume that light attenuation wants to be linearized before we apply gamma correction. --- indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 1 + 1 file changed, 1 insertion(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index 31f5c8afbb..cb8d1f6910 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -184,6 +184,7 @@ void main() float fa = falloff+1.0; float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); + dist_atten = pow(dist_atten, 2.2) * 2.2; if (dist_atten <= 0.0) { discard; -- cgit v1.2.3 From f9ff68b5e3b016a53fe987e5b51442741ca88f15 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 19 Apr 2013 02:56:15 -0500 Subject: Cleanup specular highlights from spot lights --- .../shaders/class2/deferred/multiSpotLightF.glsl | 77 ++++++++++++---------- 1 file changed, 42 insertions(+), 35 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index cb8d1f6910..cfd50ec1ec 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -82,7 +82,6 @@ vec3 decode_normal (vec2 enc) vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = tc-vec2(0.5); @@ -98,7 +97,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -116,7 +114,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret.rgb = pow(ret.rgb, vec3(2.2)); vec2 dist = tc-vec2(0.5); @@ -169,6 +166,9 @@ void main() } vec3 norm = texture2DRect(normalMap, frag.xy).xyz; + + float envIntensity = norm.z; + norm = decode_normal(norm.xy); norm = normalize(norm); @@ -184,7 +184,6 @@ void main() float fa = falloff+1.0; float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); - dist_atten = pow(dist_atten, 2.2) * 2.2; if (dist_atten <= 0.0) { discard; @@ -197,7 +196,11 @@ void main() vec3 col = vec3(0,0,0); vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; - + + vec4 spec = texture2DRect(specularRect, frag.xy); + + + float noise = texture2D(noiseMap, frag.xy/128.0).b; if (proj_tc.z > 0.0 && proj_tc.x < 1.0 && @@ -205,11 +208,13 @@ void main() proj_tc.x > 0.0 && proj_tc.y > 0.0) { - float lit = 0.0; float amb_da = proj_ambiance; - + float lit = 0.0; + if (da > 0.0) { + lit = da * dist_atten * noise; + float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); float lod = diff * proj_lod; @@ -217,8 +222,6 @@ void main() vec3 lcol = color.rgb * plcol.rgb * plcol.a; - lit = da * dist_atten * noise; - col = lcol*lit*diff_tex*shadow; amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; } @@ -235,10 +238,36 @@ void main() col += amb_da*color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; } + + if (spec.a > 0.0) + { + float lit = da * dist_atten * noise; + vec3 npos = -normalize(pos); + + //vec3 ref = dot(pos+lv, norm); + vec3 h = normalize(lv+npos); + float nh = dot(norm, h); + float nv = dot(norm, 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); + col += lit*scol*color.rgb*spec.rgb*shadow; + //col += spec.rgb; + } + } - vec4 spec = texture2DRect(specularRect, frag.xy); - if (spec.a > 0.0) + + + + if (envIntensity > 0.0) { vec3 ref = reflect(normalize(pos), norm); @@ -256,7 +285,7 @@ void main() { stc.xy /= stc.w; - float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0); + float fatten = clamp(envIntensity*envIntensity+envIntensity*0.5, 0.25, 1.0); //stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5); stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5); @@ -266,29 +295,7 @@ void main() stc.x > 0.0 && stc.y > 0.0) { - - vec3 npos = -normalize(pos); - lv = pfinal-pos.xyz; - lv = normalize(lv); - - vec3 h = normalize(lv+npos); - float nh = dot(norm, h); - float nv = dot(norm, 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); - col += scol*color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod).rgb*shadow*spec.rgb; - } - - //vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); - //col += dist_atten*scol.rgb*color.rgb*scol.a*spec.rgb*shadow; + col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*shadow*spec.rgb; } } } -- cgit v1.2.3