From 79d2c59112213151060b928a2528c481cfde09fe Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Sun, 28 Mar 2010 21:45:32 +0100 Subject: ss reflections: make the guess less far from the source. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 9305d77ddb..78e4c179d7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -289,7 +289,7 @@ void main() // depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from - vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3 From ccd5b9e2f3f1139814a63d9db03c3671c249930c Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Mon, 29 Mar 2010 11:30:08 +0100 Subject: ss reflections tweakage: + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // of the diffuse map. LOD would be better in that regard. + // The goal of the blur is to soften reflections in surfaces + // with low shinyness, and also to disguise our lameness. --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 78e4c179d7..5769288a36 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -290,6 +290,14 @@ void main() depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // of the diffuse map. LOD would be better in that regard. + // The goal of the blur is to soften reflections in surfaces + // with low shinyness, and also to disguise our lameness. + float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 + ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3 From e3c49e617edf6dfe61389e3e90c28082e5b678ce Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Wed, 31 Mar 2010 18:27:50 +0100 Subject: debug ssreflection blur direction. minor. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 5769288a36..922a07c306 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -289,7 +289,7 @@ void main() // depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from - vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; // Offset the guess source a little according to a trivial // checkerboard dither function and spec.a. // This is meant to be similar to sampling a blurred version @@ -298,6 +298,7 @@ void main() // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); + ref2d += tc.xy; // use as offset from destination // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3