fly/flightgear
1
0
Fork 0
Code Activity

Make sure the functions won't be called if the extension is not supported. This also clears the main loop a bitsrc/Main/main.cxx.

Browse source
This commit is contained in:
ehofman 2003-06-29 17:14:13 +00:00
parent fb6c04ec7f
commit 484bab7bc8
1 changed files with 7 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/Main/main.cxx
View file

@ -145,6 +145,7 @@ SG_USING_STD(endl);
glPointParameterfProc glPointParameterfPtr = 0;
glPointParameterfvProc glPointParameterfvPtr = 0;
bool glPointParameterIsSupported = false;
float default_attenuation[3] = {1.0, 0.0, 0.0};
//Required for using GL_extensions
@ -768,8 +769,7 @@ void fgRenderFrame() {
glEnable(GL_POINT_SMOOTH);
if ( fgGetBool("/sim/rendering/distance-attenuation") &&
( SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ||
SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) )
glPointParameterIsSupported )
{
// Enable states for drawing points with GL_extension
glEnable(GL_POINT_SMOOTH);
@ -823,8 +823,7 @@ void fgRenderFrame() {
if (fgGetBool("/sim/rendering/enhanced-lighting")) {
if ( fgGetBool("/sim/rendering/distance-attenuation") &&
( SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ||
SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) )
glPointParameterIsSupported )
{
glPointParameterfvPtr(GL_DISTANCE_ATTENUATION_EXT,
default_attenuation);
@ -1657,17 +1656,20 @@ static bool fgMainInit( int argc, char **argv ) {
if ( fgGetBool("/sim/rendering/distance-attenuation") )
{
if (SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ) {
glPointParameterIsSupported = true;
glPointParameterfPtr = (glPointParameterfProc)
SGLookupFunction("glPointParameterfEXT");
glPointParameterfvPtr = (glPointParameterfvProc)
SGLookupFunction("glPointParameterfvEXT");
} else if ( SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) {
glPointParameterIsSupported = true;
glPointParameterfPtr = (glPointParameterfProc)
SGLookupFunction("glPointParameterfARB");
glPointParameterfvPtr = (glPointParameterfvProc)
SGLookupFunction("glPointParameterfvARB");
}
} else
glPointParameterIsSupported = false;
}
// based on the requested presets, calculate the true starting