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This commit is contained in:
Dustin Barnard 2008-03-21 16:39:42 +00:00
parent 4ed9feda5e
commit 3c2f78e72c
1 changed files with 14 additions and 4 deletions
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18
panda/src/gobj/geomVertexColumn.cxx
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@ -1821,11 +1821,21 @@ get_data4f(const unsigned char *pointer) {
////////////////////////////////////////////////////////////////////
void GeomVertexColumn::Packer_argb_packed::
set_data4f(unsigned char *pointer, const LVecBase4f &data) {
// when packing an argb, we want to make sure we cap
// the input values at 1 since going above one will cause
// the value to be truncated.
float newData[4];
for (int i = 0; i < 4; i++) {
if (data[i] > 1.0)
newData[i] = 1.0;
else
newData[i] = data[i];
}
*(PN_uint32 *)pointer = GeomVertexData::pack_abcd
((unsigned int)(data[3] * 255.0f),
(unsigned int)(data[0] * 255.0f),
(unsigned int)(data[1] * 255.0f),
(unsigned int)(data[2] * 255.0f));
((unsigned int)(newData[3] * 255.0f),
(unsigned int)(newData[0] * 255.0f),
(unsigned int)(newData[1] * 255.0f),
(unsigned int)(newData[2] * 255.0f));
}
////////////////////////////////////////////////////////////////////