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fixes #2123 Relocation splash distorted.

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Mark images loaded from splash with origin of splash to prevent use of DDS texture cache and therefore fix distortion by preventing rescale to power of two
This commit is contained in:
Richard Harrison 2020-03-13 18:28:34 +01:00
parent 9389c6564f
commit b049865cb2
1 changed files with 17 additions and 4 deletions
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21
src/Viewer/splash.cxx
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@ -45,6 +45,7 @@
#include <simgear/debug/logstream.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/misc/sg_path.hxx>
#include <simgear/scene/util/SGReaderWriterOptions.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
@ -56,6 +57,7 @@
#include <sstream>
static const char* LICENSE_URL_TEXT = "Licensed under the GNU GPL. See http://www.flightgear.org for more information";
class SplashScreenUpdateCallback : public osg::NodeCallback {
@ -81,13 +83,21 @@ SplashScreen::~SplashScreen()
void SplashScreen::createNodes()
{
std::string splashImage = selectSplashImage();
#if OSG_VERSION_LESS_THAN(3,4,0)
_splashImage = osgDB::readImageFile(selectSplashImage());
_splashImage = osgDB::readImageFile(splashImage);
#else
_splashImage = osgDB::readRefImageFile(selectSplashImage());
auto staticOptions = simgear::SGReaderWriterOptions::copyOrCreate(osgDB::Registry::instance()->getOptions());
staticOptions->setLoadOriginHint(simgear::SGReaderWriterOptions::LoadOriginHint::ORIGIN_SPLASH_SCREEN);
_splashImage = osgDB::readRefImageFile(splashImage, staticOptions);
// _splashImage = osgDB::readRefImageFile(selectSplashImage());
#endif
int width = _splashImage->s();
if (!_splashImage){
SG_LOG(SG_VIEW, SG_INFO, "Splash Image " << splashImage << " failed to load");
return;
}
int width = _splashImage->s();
int height = _splashImage->t();
_splashImageAspectRatio = static_cast<double>(width) / height;
@ -287,9 +297,12 @@ void SplashScreen::setupLogoImage()
#if OSG_VERSION_LESS_THAN(3,4,0)
_logoImage = osgDB::readImageFile(logoPath.utf8Str());
#else
_logoImage = osgDB::readRefImageFile(logoPath.utf8Str());
auto staticOptions = simgear::SGReaderWriterOptions::copyOrCreate(osgDB::Registry::instance()->getOptions());
staticOptions->setLoadOriginHint(simgear::SGReaderWriterOptions::LoadOriginHint::ORIGIN_SPLASH_SCREEN);
_logoImage = osgDB::readRefImageFile(logoPath.utf8Str(), staticOptions);
#endif
if (!_logoImage) {
SG_LOG(SG_VIEW, SG_INFO, "Splash logo image " << logoPath << " failed to load");
return;
}