summaryrefslogtreecommitdiffstats
path: root/src/gui/opengl/qopengl.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/opengl/qopengl.h')
-rw-r--r--src/gui/opengl/qopengl.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/gui/opengl/qopengl.h b/src/gui/opengl/qopengl.h
index 5f9d78b780..bed5d0b371 100644
--- a/src/gui/opengl/qopengl.h
+++ b/src/gui/opengl/qopengl.h
@@ -95,6 +95,13 @@ typedef void* GLeglImageOES;
// applications cannot target ES 3. Therefore QOpenGLFunctions and
// friends do everything dynamically and never rely on these macros.
+// Some Khronos headers use the ext proto guard in the standard headers as well,
+// which is bad. Work it around, but avoid spilling over to the ext header.
+# ifndef GL_GLEXT_PROTOTYPES
+# define GL_GLEXT_PROTOTYPES
+# define QGL_TEMP_GLEXT_PROTO
+# endif
+
# if defined(QT_OPENGL_ES_3_1)
# include <GLES3/gl31.h>
# elif defined(QT_OPENGL_ES_3)
@@ -106,6 +113,11 @@ typedef void* GLeglImageOES;
# include <GLES2/gl2.h>
#endif
+# ifdef QGL_TEMP_GLEXT_PROTO
+# undef GL_GLEXT_PROTOTYPES
+# undef QGL_TEMP_GLEXT_PROTO
+# endif
+
/*
Some GLES2 implementations (like the one on Harmattan) are missing the
typedef for GLchar. Work around it here by adding it. The Kkronos headers
@@ -126,7 +138,15 @@ typedef char GLchar;
# include <OpenGL/glext.h>
# else
# define GL_GLEXT_LEGACY // Prevents GL/gl.h from #including system glext.h
-# include <GL/gl.h>
+// Some Khronos headers use the ext proto guard in the standard headers as well,
+// which is bad. Work it around, but avoid spilling over to the ext header.
+# ifndef GL_GLEXT_PROTOTYPES
+# define GL_GLEXT_PROTOTYPES
+# include <GL/gl.h>
+# undef GL_GLEXT_PROTOTYPES
+# else
+# include <GL/gl.h>
+# endif
# include <QtGui/qopenglext.h>
# endif // Q_OS_MAC
#endif // QT_OPENGL_ES_2