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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) #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 () GLboolean glewCreateContext ()
{ {
int attrib[] = { AGL_RGBA, AGL_NONE }; const CGLPixelFormatAttribute attrib[4] =
AGLPixelFormat pf; {
/*int major, minor; kCGLPFAAccelerated, /* No software rendering */
SetPortWindowPort(wnd); #if 0
aglGetVersion(&major, &minor); kCGLPFAOpenGLProfile, /* OSX 10.7 Lion onwards */
fprintf(stderr, "GL %d.%d\n", major, minor);*/ (CGLPixelFormatAttribute) kCGLOGLPVersion_3_2_Core, /* 3.2 Core Context */
pf = aglChoosePixelFormat(NULL, 0, attrib); #endif
if (NULL == pf) return GL_TRUE; 0
ctx = aglCreateContext(pf, NULL); };
if (NULL == ctx || AGL_NO_ERROR != aglGetError()) return GL_TRUE; CGLPixelFormatObj pf;
aglDestroyPixelFormat(pf); GLint npix;
/*aglSetDrawable(ctx, GetWindowPort(wnd));*/ CGLError error;
octx = aglGetCurrentContext();
if (GL_FALSE == aglSetCurrentContext(ctx)) return GL_TRUE; 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 */ /* Needed for Regal on the Mac */
#if defined(GLEW_REGAL) && defined(__APPLE__) #if defined(GLEW_REGAL) && defined(__APPLE__)
RegalMakeCurrent(ctx); RegalMakeCurrent(ctx);
@ -214,8 +222,8 @@ GLboolean glewCreateContext ()
void glewDestroyContext () void glewDestroyContext ()
{ {
aglSetCurrentContext(octx); CGLSetCurrentContext(octx);
if (NULL != ctx) aglDestroyContext(ctx); CGLReleaseContext(ctx);
} }
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */