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Handle dds object masks properly:

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1) Only flip the object-mask if the texture xor the object mask is dds
2) Handle NTFS file systems where the extension may be .DDS rather than .dds.
This commit is contained in:
Stuart Buchanan 2012-02-26 22:38:38 +00:00
parent 4fae9039c1
commit 39d45e9e0a
1 changed files with 14 additions and 6 deletions
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20
simgear/scene/material/mat.cxx
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@ -128,7 +128,9 @@ SGMaterial::read_properties(const SGReaderWriterOptions* options,
tname = "unknown.rgb";
}
if (tname.rfind(".dds") == (tname.length() - 4)) {
if ((tname.rfind(".dds") == (tname.length() - 4)) ||
(tname.rfind(".DDS") == (tname.length() - 4)) )
{
dds.push_back(true);
} else {
dds.push_back(false);
@ -162,7 +164,9 @@ SGMaterial::read_properties(const SGReaderWriterOptions* options,
}
if (j == 0) {
if (tname.rfind(".dds") == (tname.length() - 4)) {
if ((tname.rfind(".dds") == (tname.length() - 4)) ||
(tname.rfind(".DDS") == (tname.length() - 4)) )
{
dds.push_back(true);
} else {
dds.push_back(false);
@ -215,10 +219,14 @@ SGMaterial::read_properties(const SGReaderWriterOptions* options,
{
osg::Texture2D* object_mask = new osg::Texture2D;
if (dds[i]) {
// Texture is a DDS. This is relevant for the object mask, as DDS
// textures have an origin at the bottom left rather than top
// left, therefore we flip the object mask vertically.
bool dds_mask = ((omname.rfind(".dds") == (omname.length() - 4)) ||
(omname.rfind(".DDS") == (omname.length() - 4)) );
if (dds[i] != dds_mask) {
// Texture format does not match mask format. This is relevant for
// the object mask, as DDS textures have an origin at the bottom
// left rather than top left, therefore we flip the object mask
// vertically.
image->flipVertical();
}