From a6e8026de00248bf6be5cf608bea6c7d94c4e07c Mon Sep 17 00:00:00 2001
From: Tofu Buzzard <no-email>
Date: Wed, 15 Dec 2010 13:40:28 +0000
Subject: [PATCH] CTS-411 edge ghosting in deferred rendering (w/shadows and
shadow smoothing enabled) (transplanted from
c698ce37c0502597aafc75fcf9c37ff2970b7faf) (transplanted from
ae92e806703a0c03ec2ab76d74906c7465285aaf)
---
doc/contributions.txt | 1 +
.../shaders/class1/deferred/blurLightF.glsl | 27 +++---
.../shaders/class2/deferred/blurLightF.glsl | 83 -------------------
.../shaders/class2/deferred/blurLightV.glsl | 19 -----
4 files changed, 15 insertions(+), 115 deletions(-)
delete mode 100644 indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
delete mode 100644 indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl
diff --git a/doc/contributions.txt b/doc/contributions.txt
index 4c59e703eee..b5158b37921 100644
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -750,6 +750,7 @@ Thraxis Epsilon
tiamat bingyi
CT-246
Tofu Buzzard
+ CTS-411
STORM-546
TraductoresAnonimos Alter
CT-324
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index ea2df4b51a1..ad4d700b991 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -39,43 +39,44 @@ vec4 getPosition(vec2 pos_screen)
void main()
{
- vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+ vec2 tc = vary_fragcoord.xy;
+ vec3 norm = texture2DRect(normalMap, tc).xyz;
norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
- vec3 pos = getPosition(vary_fragcoord.xy).xyz;
- vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
+ vec3 pos = getPosition(tc).xyz;
+ vec4 ccol = texture2DRect(lightMap, tc).rgba;
vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
-
dlt /= max(-pos.z*dist_factor, 1.0);
vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
vec4 col = defined_weight.xyxx * ccol;
-
+
+ // perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large
+ tc += ( (int(tc.x+tc.y)%2 - 0.5) * kern[1].z * dlt * 0.5 );
+
for (int i = 1; i < 4; i++)
{
- vec2 tc = vary_fragcoord.xy + kern[i].z*dlt;
- vec3 samppos = getPosition(tc).xyz;
+ vec2 samptc = tc + kern[i].z*dlt;
+ vec3 samppos = getPosition(samptc).xyz;
float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
if (d*d <= 0.003)
{
- col += texture2DRect(lightMap, tc)*kern[i].xyxx;
+ col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
defined_weight += kern[i].xy;
}
}
for (int i = 1; i < 4; i++)
{
- vec2 tc = vary_fragcoord.xy - kern[i].z*dlt;
- vec3 samppos = getPosition(tc).xyz;
+ vec2 samptc = tc - kern[i].z*dlt;
+ vec3 samppos = getPosition(samptc).xyz;
float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
if (d*d <= 0.003)
{
- col += texture2DRect(lightMap, tc)*kern[i].xyxx;
+ col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
defined_weight += kern[i].xy;
}
}
-
-
col /= defined_weight.xyxx;
gl_FragColor = col;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
deleted file mode 100644
index ea2df4b51a1..00000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
+++ /dev/null
@@ -1,83 +0,0 @@
-/**
- * @file blurLightF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * $/LicenseInfo$
- */
-
-#version 120
-
-#extension GL_ARB_texture_rectangle : enable
-
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2DRect lightMap;
-
-uniform float dist_factor;
-uniform float blur_size;
-uniform vec2 delta;
-uniform vec3 kern[4];
-uniform float kern_scale;
-
-varying vec2 vary_fragcoord;
-
-uniform mat4 inv_proj;
-uniform vec2 screen_res;
-
-vec4 getPosition(vec2 pos_screen)
-{
- float depth = texture2DRect(depthMap, pos_screen.xy).a;
- vec2 sc = pos_screen.xy*2.0;
- sc /= screen_res;
- sc -= vec2(1.0,1.0);
- vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
- vec4 pos = inv_proj * ndc;
- pos /= pos.w;
- pos.w = 1.0;
- return pos;
-}
-
-void main()
-{
- vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
- norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
- vec3 pos = getPosition(vary_fragcoord.xy).xyz;
- vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
-
- vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
-
- dlt /= max(-pos.z*dist_factor, 1.0);
-
- vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
- vec4 col = defined_weight.xyxx * ccol;
-
- for (int i = 1; i < 4; i++)
- {
- vec2 tc = vary_fragcoord.xy + kern[i].z*dlt;
- vec3 samppos = getPosition(tc).xyz;
- float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
- if (d*d <= 0.003)
- {
- col += texture2DRect(lightMap, tc)*kern[i].xyxx;
- defined_weight += kern[i].xy;
- }
- }
- for (int i = 1; i < 4; i++)
- {
- vec2 tc = vary_fragcoord.xy - kern[i].z*dlt;
- vec3 samppos = getPosition(tc).xyz;
- float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
- if (d*d <= 0.003)
- {
- col += texture2DRect(lightMap, tc)*kern[i].xyxx;
- defined_weight += kern[i].xy;
- }
- }
-
-
-
- col /= defined_weight.xyxx;
-
- gl_FragColor = col;
-}
-
diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl
deleted file mode 100644
index c2d05c601a8..00000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * @file blurLightF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * $/LicenseInfo$
- */
-
-#version 120
-
-varying vec2 vary_fragcoord;
-uniform vec2 screen_res;
-
-void main()
-{
- //transform vertex
- gl_Position = ftransform();
- vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex;
- vary_fragcoord = (pos.xy*0.5+0.5)*screen_res;
-}
--
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