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authorBrad Payne (Vir Linden) <vir@lindenlab.com>2010-12-13 17:51:14 -0500
committerBrad Payne (Vir Linden) <vir@lindenlab.com>2010-12-13 17:51:14 -0500
commit27f11d9868bc72e7096ae6266af1c6c9318c545e (patch)
tree12190521b6870891072e312c8b3e8864721aa075 /indra/newview/pipeline.cpp
parentfbab245e487650d6420c9fe33cf07123af12f422 (diff)
parentdd06d42c09e5e1f4b28559059ec8393e53f767a7 (diff)
merge
Diffstat (limited to 'indra/newview/pipeline.cpp')
-rw-r--r--indra/newview/pipeline.cpp63
1 files changed, 34 insertions, 29 deletions
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index f0446b024c..1f1c8d46f5 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -6160,44 +6160,49 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
//convert to mm
subject_distance *= 1000.f;
F32 fnumber = gSavedSettings.getF32("CameraFNumber");
- F32 focal_length = gSavedSettings.getF32("CameraFocalLength");
- F32 coc_ratio = gSavedSettings.getF32("CameraCoCRatio");
-
- F32 coc = coc_ratio/mScreen.getHeight();
-
- F32 hyperfocal_distance = (focal_length*focal_length)/(fnumber*coc);
-
- subject_distance = llmin(hyperfocal_distance, subject_distance);
-
- //adjust focal length for subject distance
- focal_length = llmax(focal_length, 1.f/(1.f/focal_length - 1.f/subject_distance));
-
- //adjust focal length for zoom
+ const F32 default_focal_length = gSavedSettings.getF32("CameraFocalLength");
+
F32 fov = LLViewerCamera::getInstance()->getView();
- focal_length *= 1.f/fov;
-
- F32 near_focal_distance = hyperfocal_distance*subject_distance/(hyperfocal_distance+subject_distance);
- //beyond far clip plane is effectively infinity
- F32 far_focal_distance = 4096.f;
-
- if (subject_distance < hyperfocal_distance)
- {
- far_focal_distance = hyperfocal_distance*subject_distance/(hyperfocal_distance-subject_distance);
- far_focal_distance /= 1000.f;
- }
-
- near_focal_distance /= 1000.f;
+ const F32 default_fov = gSavedSettings.getF32("CameraFieldOfView") * F_PI/180.f;
+ //const F32 default_aspect_ratio = gSavedSettings.getF32("CameraAspectRatio");
+
+ //F32 aspect_ratio = (F32) mScreen.getWidth()/(F32)mScreen.getHeight();
+
+ F32 dv = 2.f*default_focal_length * tanf(default_fov/2.f);
+ //F32 dh = 2.f*default_focal_length * tanf(default_fov*default_aspect_ratio/2.f);
- shader->uniform1f("far_focal_distance", -far_focal_distance);
- shader->uniform1f("near_focal_distance", -near_focal_distance);
+ F32 focal_length = dv/(2*tanf(fov/2.f));
+
+ //F32 tan_pixel_angle = tanf(LLDrawable::sCurPixelAngle);
+
+ // from wikipedia -- c = |s2-s1|/s2 * f^2/(N(S1-f))
+ // where N = fnumber
+ // s2 = dot distance
+ // s1 = subject distance
+ // f = focal length
+ //
+
+ F32 blur_constant = focal_length*focal_length/(fnumber*(subject_distance-focal_length));
+ blur_constant /= 1000.f; //convert to meters for shader
+ F32 magnification = focal_length/(subject_distance-focal_length);
+
+ shader->uniform1f("focal_distance", -subject_distance/1000.f);
+ shader->uniform1f("blur_constant", blur_constant);
+ shader->uniform1f("tan_pixel_angle", tanf(1.f/LLDrawable::sCurPixelAngle));
+ shader->uniform1f("magnification", magnification);
S32 channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE);
if (channel > -1)
{
mScreen.bindTexture(0, channel);
- gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+ gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
}
+ //channel = shader->enableTexture(LLViewerShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE);
+ //if (channel > -1)
+ //{
+ //gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);
+ //}
gGL.begin(LLRender::TRIANGLE_STRIP);
gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);