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Bug 722831 - qcms_transform_precacheLUT_float only works with RGB data, so only call it in that case. Grayscale images would fail. r=bgirard

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This commit is contained in:
Milan Sreckovic 2013-02-08 15:48:09 -05:00
parent ae73002280
commit a036896107
1 changed files with 5 additions and 1 deletions
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6
gfx/qcms/transform.c
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@ -1209,7 +1209,11 @@ qcms_transform* qcms_transform_create(
precache = true;
}
if (qcms_supports_iccv4 && (in->A2B0 || out->B2A0 || in->mAB || out->mAB)) {
// This precache assumes RGB_SIGNATURE (fails on GRAY_SIGNATURE, for instance)
if (qcms_supports_iccv4 &&
(in_type == QCMS_DATA_RGB_8 || in_type == QCMS_DATA_RGBA_8) &&
(in->A2B0 || out->B2A0 || in->mAB || out->mAB))
{
// Precache the transformation to a CLUT 33x33x33 in size.
// 33 is used by many profiles and works well in pratice.
// This evenly divides 256 into blocks of 8x8x8.