From 3a8cdb5d46cd12a5aad001e4bcec5b26f6f748ce Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Thu, 20 Jun 2013 15:27:22 -0700 Subject: NORSPEC-277 WIP backout old-school normal permutation --- .../shaders/class2/deferred/multiSpotLightF.glsl | 17 ----------------- 1 file changed, 17 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 780df9ed1a..0deb4fe3b6 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -68,22 +68,6 @@ uniform vec2 screen_res; uniform mat4 inv_proj; -#ifdef SINGLE_FP_ONLY -vec2 encode_normal(vec3 n) -{ - vec2 sn; - sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f); - return sn; -} - -vec3 decode_normal (vec2 enc) -{ - vec3 n; - n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f); - n.z = sqrt(1.0f - dot(n.xy,n.xy)); - return n; -} -#else vec2 encode_normal(vec3 n) { float f = sqrt(8 * n.z + 8); @@ -100,7 +84,6 @@ vec3 decode_normal (vec2 enc) n.z = 1-f/2; return n; } -#endif vec4 correctWithGamma(vec4 col) { -- cgit v1.2.3 From 06b024f60e6953f3b1de08523b511e0f0a777531 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 26 Jun 2013 19:16:49 -0500 Subject: MATBUG-194 Fix for crazy colors on projector shadows with NVIDIA OpenGL 3.3 implementations --- .../newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 4 ++++ 1 file changed, 4 insertions(+) (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 0deb4fe3b6..14f6afc8c2 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -318,6 +318,10 @@ void main() } } + + //not sure why, but this line prevents MATBUG-194 + col = max(col, vec3(0.0)); + frag_color.rgb = col; frag_color.a = 0.0; } -- cgit v1.2.3 From d2855f9eecdfb80dca6c5a8b496ef9fe1b746843 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Wed, 3 Jul 2013 10:56:10 -0700 Subject: NORSPEC-293 better fix incorporating srgb_to_linear curve and applying texture gamma corrections to spot inputs --- .../shaders/class2/deferred/multiSpotLightF.glsl | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (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 14f6afc8c2..0aac9d77de 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -85,9 +85,19 @@ vec3 decode_normal (vec2 enc) return n; } +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)); +} + vec4 correctWithGamma(vec4 col) { - return vec4(pow(col.rgb, vec3(2.2)), col.a); + return vec4(srgb_to_linear(col.rgb), col.a); } -- cgit v1.2.3 From d6b4124fb96768aad8840490efa31d9b800cb3ea Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Wed, 24 Jul 2013 11:21:40 -0700 Subject: NORSPEC-311 WIP move to per-pixel alpha lighting and make spot/point calcs match more closely --- indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (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 0aac9d77de..4af0970726 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -207,7 +207,7 @@ 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; -- cgit v1.2.3 From f357269c38a8627aeb67c82c5ee34b49336e0d8b Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Thu, 25 Jul 2013 09:36:13 -0700 Subject: NORSPEC-325 WIP restore gamma (uncorrected) attenuation and unify sRGB conversion in one place --- .../shaders/class2/deferred/multiSpotLightF.glsl | 16 ++++------------ 1 file changed, 4 insertions(+), 12 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 4af0970726..6d1cedee39 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -68,6 +68,9 @@ uniform vec2 screen_res; uniform mat4 inv_proj; +vec3 srgb_to_linear(vec3 cs); +vec3 linear_to_srgb(vec3 cl); + vec2 encode_normal(vec3 n) { float f = sqrt(8 * n.z + 8); @@ -85,22 +88,11 @@ vec3 decode_normal (vec2 enc) return n; } -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)); -} - vec4 correctWithGamma(vec4 col) { return vec4(srgb_to_linear(col.rgb), col.a); } - vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); @@ -207,7 +199,7 @@ void main() proj_tc.xyz /= proj_tc.w; - float fa = falloff; + float fa = falloff+1.0; float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0); dist_atten *= dist_atten; dist_atten *= 2.0; -- cgit v1.2.3 From f86a7c04d3c265f4d61d99d1d7fdb7e35c4bc3f6 Mon Sep 17 00:00:00 2001 From: "Graham Madarasz (Graham Linden)" Date: Tue, 30 Jul 2013 11:33:58 -0700 Subject: NORSPEC-314 rollback unified srgb shader code to see if we can get past Mac 10.6.8 nV driver issues --- .../shaders/class2/deferred/multiSpotLightF.glsl | 38 ++++++++++++++++++++-- 1 file changed, 36 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 6d1cedee39..df750d3cec 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -68,8 +68,42 @@ uniform vec2 screen_res; uniform mat4 inv_proj; -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); +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 + +} + +vec3 linear_to_srgb(vec3 cl) +{ + 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 + +} vec2 encode_normal(vec3 n) { -- cgit v1.2.3 From a3be9d3467c068f8ed0d4f1c98484d132b1f1a5f Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Thu, 5 Sep 2013 17:30:23 -0700 Subject: NORSPEC-360 fix issues with mip selection and TCs in projector fake env reflection --- .../app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 8 +++----- 1 file changed, 3 insertions(+), 5 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 df750d3cec..ed3458963d 100755 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -333,14 +333,12 @@ void main() vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + stc /= stc.w; if (stc.z > 0.0) { - stc.xy /= stc.w; - - float fatten = clamp(envIntensity*envIntensity+envIntensity*0.5, 0.25, 1.0); + float fatten = clamp(envIntensity*envIntensity+envIntensity*0.25, 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); if (stc.x < 1.0 && @@ -348,7 +346,7 @@ void main() stc.x > 0.0 && stc.y > 0.0) { - col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*shadow*spec.rgb; + col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*shadow*spec.rgb; } } } -- cgit v1.2.3