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[CoreSupport] Migrate glewinfo on Mac from AGL to CGL, with the possibility of running in (core) OpenGL 3.2 mode.

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Nigel Stewart 2015-02-21 20:53:05 +10:00
parent e02cac5b3b
commit 9a5a4cdaed
1 changed files with 26 additions and 18 deletions
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44
auto/src/glewinfo_tail.c
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@ -185,26 +185,34 @@ void glewDestroyContext ()
#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX)
#include <AGL/agl.h>
#include <OpenGL/OpenGL.h>
#include <OpenGL/CGLTypes.h>
AGLContext ctx, octx;
CGLContextObj ctx, octx;
GLboolean glewCreateContext ()
{
int attrib[] = { AGL_RGBA, AGL_NONE };
AGLPixelFormat pf;
/*int major, minor;
SetPortWindowPort(wnd);
aglGetVersion(&major, &minor);
fprintf(stderr, "GL %d.%d\n", major, minor);*/
pf = aglChoosePixelFormat(NULL, 0, attrib);
if (NULL == pf) return GL_TRUE;
ctx = aglCreateContext(pf, NULL);
if (NULL == ctx || AGL_NO_ERROR != aglGetError()) return GL_TRUE;
aglDestroyPixelFormat(pf);
/*aglSetDrawable(ctx, GetWindowPort(wnd));*/
octx = aglGetCurrentContext();
if (GL_FALSE == aglSetCurrentContext(ctx)) return GL_TRUE;
const CGLPixelFormatAttribute attrib[4] =
{
kCGLPFAAccelerated, /* No software rendering */
#if 0
kCGLPFAOpenGLProfile, /* OSX 10.7 Lion onwards */
(CGLPixelFormatAttribute) kCGLOGLPVersion_3_2_Core, /* 3.2 Core Context */
#endif
0
};
CGLPixelFormatObj pf;
GLint npix;
CGLError error;
error = CGLChoosePixelFormat(attrib, &pf, &npix);
if (error) return GL_TRUE;
error = CGLCreateContext(pf, NULL, &ctx);
if (error) return GL_TRUE;
CGLReleasePixelFormat(pf);
octx = CGLGetCurrentContext();
error = CGLSetCurrentContext(ctx);
if (error) return GL_TRUE;
/* Needed for Regal on the Mac */
#if defined(GLEW_REGAL) && defined(__APPLE__)
RegalMakeCurrent(ctx);
@ -214,8 +222,8 @@ GLboolean glewCreateContext ()
void glewDestroyContext ()
{
aglSetCurrentContext(octx);
if (NULL != ctx) aglDestroyContext(ctx);
CGLSetCurrentContext(octx);
CGLReleaseContext(ctx);
}
/* ------------------------------------------------------------------------ */