X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscene%2Fsky%2Fbbcache.cxx;h=66b272750fc990337d0ac9cda689b1c0dec6bffd;hb=c7cbb22667c901e6107dd099e02e9506f9fbd360;hp=da84fbce25857432e0638e1f1408b58c7f0a2136;hpb=7b5d49ef60733314a280b766a34f9ca448b956f6;p=simgear.git

diff --git a/simgear/scene/sky/bbcache.cxx b/simgear/scene/sky/bbcache.cxx
index da84fbce..66b27275 100644
--- a/simgear/scene/sky/bbcache.cxx
+++ b/simgear/scene/sky/bbcache.cxx
@@ -16,7 +16,7 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
-// Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 //
 
@@ -28,10 +28,9 @@
 #include <simgear/debug/logstream.hxx>
 
 #include <plib/sg.h>
-#include <plib/ssg.h>
 #include <simgear/screen/extensions.hxx>
 #include <simgear/screen/RenderTexture.h>
-#include SG_GLU_H
+#include <osg/GLU>
 
 #include "bbcache.hxx"
 
@@ -91,29 +90,35 @@ bool SGBbCache::allocTextureMemory(int cacheCount, int textureDimension) {
 
 SGBbCache::SGBbCache(void) :
 	bbListCount(0),
-	cacheSizeKb(0),
 	textureWH(0),
+	cacheSizeKb(0),
 	builtBBCount(0),
+	frameNumber(0),
 	rt(0),
 	rtAvailable(false),
-	frameNumber(0),
 	maxImpostorRegenFrame(20)
 {
 }
 
 SGBbCache::~SGBbCache(void) {
-	if(rt)
-		delete rt;
+	delete rt;
 	freeTextureMemory();
 }
 
 
 void SGBbCache::init(int cacheCount) {
+	GLint colorBits = 0;
+	glGetIntegerv( GL_BLUE_BITS, &colorBits );
 
 	rt = new RenderTexture();
 	// don't use default rtt on nvidia/win because of poor performance of glCopyTexSubImage2D
 	// wihtout default pattrib params - see opengl forum
-	rt->Reset("rgba tex2D ctt");
+	if( colorBits < 8 )
+		rt->Reset("rgba=5,5,5,1 ctt");
+	else
+		rt->Reset("rgba ctt");
+
+//	rt->Reset("rgba tex2D ctt");
 //	rt->Reset("rgba tex2D");
 	if( rt->Initialize(256, 256, true) ) {
 		SG_LOG(SG_ALL, SG_INFO, "bbcache:Initialize sucessfull");