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Extra checks in window creation

This commit is contained in:
Elias Naur 2003-05-30 06:10:33 +00:00
parent 16e1d44cdb
commit 66a2676652
1 changed files with 15 additions and 2 deletions
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17
src/native/linux/org_lwjgl_opengl_BaseGL.cpp
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@ -90,8 +90,15 @@ static GLXFBConfig *chooseVisualGLX13(Display *disp, int screen, int bpp, int de
GLX_ALPHA_SIZE, alpha,
GLX_STENCIL_SIZE, stencil,
None};
int num_formats;
return glXChooseFBConfig(disp, screen, attriblist, &num_formats);
int num_formats = 0;
GLXFBConfig* configs = glXChooseFBConfig(disp, screen, attriblist, &num_formats);
if (num_formats > 0)
return configs;
else {
if (configs != NULL)
XFree(configs);
return NULL;
}
}
static XVisualInfo *chooseVisual(Display *disp, int screen, int bpp, int depth, int alpha, int stencil) {
@ -150,6 +157,12 @@ static bool initWindowGLX13(JNIEnv *env, Display *disp, int screen, jstring titl
return false;
}
XVisualInfo * vis_info = glXGetVisualFromFBConfig(disp, configs[0]);
if (vis_info == NULL) {
glXDestroyContext(disp, context);
XFree(configs);
throwException(env, "Could not create visual info from FB config");
return false;
}
#ifdef _DEBUG
dumpVisualInfo(disp, vis_info);
#endif