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/class1/deferred/multiSpotLightF.glsl | 17 ----------------- 1 file changed, 17 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 97bf49a605..7d39ad7bc1 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -67,22 +67,6 @@ 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); @@ -99,7 +83,6 @@ vec3 decode_normal (vec2 enc) n.z = 1-f/2; return n; } -#endif vec4 correctWithGamma(vec4 col) { -- cgit v1.2.3 From 930de04f51212195a2c7a877d235d4106f4d37e2 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 2 Jul 2013 18:02:28 -0500 Subject: NORSPEC-287 Make alpha sRGB correction curves match OpenGL spec. --- .../shaders/class1/deferred/multiSpotLightF.glsl | 25 +++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 7d39ad7bc1..11220bfa47 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -84,15 +84,30 @@ vec3 decode_normal (vec2 enc) return n; } -vec4 correctWithGamma(vec4 col) +vec3 srgb_to_linear(vec3 cs) { - return vec4(pow(col.rgb, vec3(2.2)), col.a); + +/* { 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 linear_to_srgb(vec3 cl) +{ + /*{ 0.0, 0 <= cl + { 12.92 * c, 0 < cl < 0.0031308 + cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 + { 1.0, cl >= 1*/ + + return 1.055 * pow(cl, vec3(0.41666)) - 0.055; } vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = tc-vec2(0.5); @@ -108,7 +123,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -126,7 +141,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = tc-vec2(0.5); -- 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/class1/deferred/multiSpotLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') 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; -- 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/class1/deferred/multiSpotLightF.glsl | 23 +++------------------- 1 file changed, 3 insertions(+), 20 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 3b6724479c..0b62c4ec09 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -84,25 +84,8 @@ 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)); -} - -vec3 linear_to_srgb(vec3 cl) -{ - /*{ 0.0, 0 <= cl - { 12.92 * c, 0 < cl < 0.0031308 - cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 - { 1.0, cl >= 1*/ - - return 1.055 * pow(cl, vec3(0.41666)) - 0.055; -} +vec3 srgb_to_linear(vec3 cs); +vec3 linear_to_srgb(vec3 cl); vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { @@ -198,7 +181,7 @@ 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/class1/deferred/multiSpotLightF.glsl | 38 ++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 0b62c4ec09..ed68e38891 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -83,9 +83,43 @@ vec3 decode_normal (vec2 enc) n.z = 1-f/2; return n; } +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 + +} -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { -- 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/class1/deferred/multiSpotLightF.glsl | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index ed68e38891..86f9f227d5 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -310,14 +310,11 @@ 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 && @@ -325,7 +322,7 @@ void main() stc.x > 0.0 && stc.y > 0.0) { - col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*spec.rgb; + col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*spec.rgb; } } } -- cgit v1.2.3 From 2a03e8f9fb24bb68b79e34bcfa9a45d3e377b0b8 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 20 Sep 2013 16:44:39 -0700 Subject: MAINT-3172 fix rendering regressions from release mergedown --- .../app_settings/shaders/class1/deferred/multiSpotLightF.glsl | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 2e5a2c273e..0e6ab80d4d 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -311,14 +311,11 @@ 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 && @@ -326,7 +323,7 @@ void main() stc.x > 0.0 && stc.y > 0.0) { - col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*spec.rgb; + col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*spec.rgb; } } } -- cgit v1.2.3