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| author | kbr@google.com <kbr@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-07-24 05:42:10 +0000 |
|---|---|---|
| committer | kbr@google.com <kbr@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-07-24 05:42:10 +0000 |
| commit | b0f2cbe313015c540ce3db5d660498489842d567 (patch) | |
| tree | 23e5f0e1d37b4eb039a161edf56c4c10eda72725 /o3d | |
| parent | 46ebf0640d32b313618fe443a34e959059b2c3f9 (diff) | |
| download | chromium_src-b0f2cbe313015c540ce3db5d660498489842d567.zip chromium_src-b0f2cbe313015c540ce3db5d660498489842d567.tar.gz chromium_src-b0f2cbe313015c540ce3db5d660498489842d567.tar.bz2 | |
Tweaked antialiasing function. Result looks good now in conjunction
with multisampling.
BUG=none
TEST=none
TBR=apatrick
Review URL: http://codereview.chromium.org/3040018
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@53574 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'o3d')
| -rw-r--r-- | o3d/samples/o3djs/gpu2d.js | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/o3d/samples/o3djs/gpu2d.js b/o3d/samples/o3djs/gpu2d.js index 4c95527..e4c65f9 100644 --- a/o3d/samples/o3djs/gpu2d.js +++ b/o3d/samples/o3djs/gpu2d.js @@ -542,8 +542,10 @@ o3djs.gpu2d.generateLoopBlinnShaderSource_ = function(antialias, '\n' + ' // Linear alpha\n' + ' // TODO(kbr): figure out why this needs to be\n' + - ' // negated compared to Cg version.\n' + - ' float alpha = clamp(sd - 0.5, 0.0, 1.0);\n'; + ' // negated compared to Cg version, and also why\n' + + ' // we need an adjustment by +1.0 for it to look good.\n' + + ' // float alpha = clamp(0.5 - sd, 0.0, 1.0);\n' + + ' float alpha = clamp(sd + 0.5, 0.0, 1.0);\n'; } else { alphaComputation = '' + ' float t = klm.x * klm.x * klm.x - klm.y * klm.z;\n' + |