FGFS-4.1/simgear
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Exclude images with less than 16 bits per pixel from the DDS Texture Cache

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This commit is contained in:
Richard Harrison 2020-07-31 01:18:33 +02:00
parent 2622004af4
commit 59da504cde
1 changed files with 7 additions and 0 deletions
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7
simgear/scene/model/ModelRegistry.cxx
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@ -359,6 +359,8 @@ ModelRegistry::readImage(const string& fileName,
if (res.validImage()) {
osg::ref_ptr<osg::Image> srcImage = res.getImage();
int width = srcImage->s();
//int packing = srcImage->getPacking();
//printf("packing %d format %x pixel size %d InternalTextureFormat %x\n", packing, srcImage->getPixelFormat(), srcImage->getPixelSizeInBits(), srcImage->getInternalTextureFormat() );
bool transparent = srcImage->isImageTranslucent();
bool isNormalMap = false;
bool isEffect = false;
@ -367,6 +369,11 @@ ModelRegistry::readImage(const string& fileName,
*/
bool can_compress = (transparent && compress_transparent) || (!transparent && compress_solid);
if (srcImage->getPixelSizeInBits() <= 16) {
SG_LOG(SG_IO, SG_INFO, "Ignoring " + absFileName + " for inclusion into the texture cache because pixel density too low at " << srcImage->getPixelSizeInBits() << " bits per pixek");
can_compress = false;
}
int height = srcImage->t();
// use the new file origin to determine any special processing