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Mac OS X fixes

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This commit is contained in:
ehofman 2003-06-20 20:18:40 +00:00
parent 45e20b6565
commit 9e07e0ac36
1 changed files with 20 additions and 14 deletions
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34
src/Main/main.cxx
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@ -143,8 +143,8 @@ SG_USING_STD(endl);
#include "fg_commands.hxx"
glPointParameterfProc glPointParameterfPtr;
glPointParameterfvProc glPointParameterfvPtr;
glPointParameterfProc glPointParameterfPtr = 0;
glPointParameterfvProc glPointParameterfvPtr = 0;
float default_attenuation[3] = {1.0, 0.0, 0.0};
//Required for using GL_extensions
@ -767,9 +767,9 @@ void fgRenderFrame() {
// Enable states for drawing points with GL_extension
glEnable(GL_POINT_SMOOTH);
#ifdef GL_EXT_point_parameters
if ( fgGetBool("/sim/rendering/distance-attenuation")
&& SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") )
if ( fgGetBool("/sim/rendering/distance-attenuation") &&
( SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ||
SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) )
{
// Enable states for drawing points with GL_extension
glEnable(GL_POINT_SMOOTH);
@ -779,7 +779,6 @@ void fgRenderFrame() {
glPointParameterfvPtr(GL_DISTANCE_ATTENUATION_EXT, quadratic);
glPointParameterfPtr(GL_POINT_SIZE_MIN_EXT, 1.0);
}
#endif
glPointSize(4.0);
@ -823,14 +822,13 @@ void fgRenderFrame() {
if (fgGetBool("/sim/rendering/enhanced-lighting")) {
#ifdef GL_EXT_point_parameters
if ( fgGetBool("/sim/rendering/distance-attenuation")
&& SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") )
if ( fgGetBool("/sim/rendering/distance-attenuation") &&
( SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ||
SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) )
{
glPointParameterfvPtr(GL_DISTANCE_ATTENUATION_EXT,
default_attenuation);
}
#endif
glPointSize(1.0);
glDisable(GL_POINT_SMOOTH);
@ -1658,10 +1656,18 @@ static bool fgMainInit( int argc, char **argv ) {
// get the address of our OpenGL extensions
if ( fgGetBool("/sim/rendering/distance-attenuation") )
{
glPointParameterfPtr = (glPointParameterfProc)
SGLookupFunction("glPointParameterfEXT");
glPointParameterfvPtr = (glPointParameterfvProc)
SGLookupFunction("glPointParameterfvEXT");
if (SGIsOpenGLExtensionSupported("GL_EXT_point_parameters") ) {
glPointParameterfPtr = (glPointParameterfProc)
SGLookupFunction("glPointParameterfEXT");
glPointParameterfvPtr = (glPointParameterfvProc)
SGLookupFunction("glPointParameterfvEXT");
} else if ( SGIsOpenGLExtensionSupported("GL_ARB_point_parameters") ) {
glPointParameterfPtr = (glPointParameterfProc)
SGLookupFunction("glPointParameterfARB");
glPointParameterfvPtr = (glPointParameterfvProc)
SGLookupFunction("glPointParameterfvARB");
}
}
// based on the requested presets, calculate the true starting