fly/flightgear
1
0
Fork 0
Code Activity

move GL_TEXTURE_LOD_BIAS_EXT one section up and document what it does

Browse source 
(this was the reason why the first two text lines on the splash screen
looked more blurry than the others). BTW: I played with other values
than -0.5, but this turned out to be the best already. It makes textures
sharper than 0, but not too sharp (and thus flickering).
This commit is contained in:
mfranz 2006-08-07 15:11:46 +00:00
parent 6ce68a226a
commit d84043fbe2
1 changed files with 5 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/Main/main.cxx
View file

@ -617,6 +617,11 @@ static void fgMainLoop( void ) {
static void fgIdleFunction ( void ) {
if ( idle_state == 0 ) {
idle_state++;
#ifdef GL_EXT_texture_lod_bias
// negative values sharpen, positive values blur mipmapped textures
glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, -0.5 ) ;
#endif
fgSplashProgress("setting up scenegraph & user interface");
@ -655,10 +660,6 @@ static void fgIdleFunction ( void ) {
// Read the list of available aircrafts
fgReadAircraft();
#ifdef GL_EXT_texture_lod_bias
glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, -0.5 ) ;
#endif
// get the address of our OpenGL extensions
if (SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ) {
glPointParameterIsSupported = true;