From a831136347eebc92019c121c5834a7e0fe629eef Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 00:22:13 -0800 Subject: spot-aware light func usage in ALL shaders. --- .../app_settings/shaders/class2/deferred/alphaV.glsl | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 5991e1f3b5..eec655e3df 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -9,7 +9,7 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); void calcAtmospherics(vec3 inPositionEye); float calcDirectionalLight(vec3 n, vec3 l); -float calcPointLight(vec3 v, vec3 n, vec4 lp, float la); +float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight); vec3 atmosAmbient(vec3 light); vec3 atmosAffectDirectionalLight(float lightIntensity); @@ -50,12 +50,12 @@ void main() col.rgb = scaleUpLight(col.rgb); // Collect normal lights (need to be divided by two, as we later multiply by 2) - col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation); - col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation); - col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation); - col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation); - col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation); - col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation); + col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a); col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); -- cgit v1.2.3 From b734d11f8c929f1e2866e52a0727818e6fa3f3a4 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 00:31:39 -0800 Subject: Don't scale windlight lights up just to scale them down again later. avoid this with rearrangement. not tested. --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index eec655e3df..05a32578c1 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -42,12 +42,7 @@ void main() calcAtmospherics(pos.xyz); //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); - vec4 col; - col.a = gl_Color.a; - - // Add windlight lights - col.rgb = atmosAmbient(vec3(0.)); - col.rgb = scaleUpLight(col.rgb); + vec4 col(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); @@ -59,6 +54,9 @@ void main() col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); + // Add windlight lights + col.rgb += atmosAmbient(vec3(0.)); + vary_light = gl_LightSource[0].position.xyz; vary_ambient = col.rgb*gl_Color.rgb; -- cgit v1.2.3 From c8e4997395c8ffc71f838dcef142a56a5c6b781b Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 01:45:13 -0800 Subject: fix a variety of shader errors, mostly due to my confusing glsl with C++... again --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 05a32578c1..1fae8c4da3 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -42,7 +42,7 @@ void main() calcAtmospherics(pos.xyz); //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); - vec4 col(0.0, 0.0, 0.0, gl_Color.a); + vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); -- cgit v1.2.3 From 21b1b91c448b7d148a840c06d74deabc45af1819 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 6 Oct 2010 12:53:26 -0500 Subject: ATI compatibility pass --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 2 ++ 1 file changed, 2 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 45f727951e..92f1cb22d6 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -4,6 +4,8 @@ * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * $/LicenseInfo$ */ + +#version 120 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); void calcAtmospherics(vec3 inPositionEye); -- cgit v1.2.3 From 5e4c0cd857de2ede02dfc0f72feb75648d823600 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 25 Apr 2011 20:22:54 -0500 Subject: SH-1427 Fix for alpha objects not getting the right light curves when deferred rendering enabled. --- .../shaders/class2/deferred/alphaV.glsl | 51 +++++++++++++++++----- 1 file changed, 39 insertions(+), 12 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 92f1cb22d6..ea09d5bb09 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -11,7 +11,6 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); void calcAtmospherics(vec3 inPositionEye); float calcDirectionalLight(vec3 n, vec3 l); -float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight); vec3 atmosAmbient(vec3 light); vec3 atmosAffectDirectionalLight(float lightIntensity); @@ -23,11 +22,37 @@ varying vec3 vary_directional; varying vec3 vary_fragcoord; varying vec3 vary_position; varying vec3 vary_light; +varying vec3 vary_pointlight_col; uniform float near_clip; uniform float shadow_offset; uniform float shadow_bias; +float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) +{ + //get light vector + vec3 lv = lp.xyz-v; + + //get distance + float d = length(lv); + + //normalize light vector + lv *= 1.0/d; + + //distance attenuation + float dist2 = d*d/(la*la); + float da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); + + // spotlight coefficient. + float spot = max(dot(-ln, lv), is_pointlight); + da *= spot*spot; // GL_SPOT_EXPONENT=2 + + //angular attenuation + da *= calcDirectionalLight(n, lv); + + return da; +} + void main() { //transform vertex @@ -46,25 +71,27 @@ void main() //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a); - // Collect normal lights (need to be divided by two, as we later multiply by 2) - col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); - col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a); - col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a); - col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a); - col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a); - col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a); - col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); - col.rgb = scaleDownLight(col.rgb); + // Collect normal lights + col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a); + vary_pointlight_col = col.rgb*gl_Color.rgb; + + col.rgb = vec3(0,0,0); + // Add windlight lights - col.rgb += atmosAmbient(vec3(0.)); + col.rgb = atmosAmbient(vec3(0.)); vary_light = gl_LightSource[0].position.xyz; vary_ambient = col.rgb*gl_Color.rgb; vary_directional.rgb = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a))); - col.rgb = min(col.rgb*gl_Color.rgb, 1.0); + col.rgb = col.rgb*gl_Color.rgb; gl_FrontColor = col; -- cgit v1.2.3 From 8a029d235e593189d34319e674933012b8894b85 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 6 May 2011 16:39:07 -0500 Subject: SH-1521 Potential fix for shadows not working on mac. --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 3 --- 1 file changed, 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index ea09d5bb09..86f014df35 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -21,7 +21,6 @@ varying vec3 vary_ambient; varying vec3 vary_directional; varying vec3 vary_fragcoord; varying vec3 vary_position; -varying vec3 vary_light; varying vec3 vary_pointlight_col; uniform float near_clip; @@ -86,8 +85,6 @@ void main() // Add windlight lights col.rgb = atmosAmbient(vec3(0.)); - vary_light = gl_LightSource[0].position.xyz; - vary_ambient = col.rgb*gl_Color.rgb; vary_directional.rgb = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a))); -- cgit v1.2.3