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mesa: make use of HAVE_FUNC_ATTRIBUTE_ALIAS macro

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We must make sure that xserver has an equivalent one-line
change to its configure.ac as the glx/glapi headers get copied over.

Then again, xserver does _not_ seem to set HAVE_ALIAS to begin with so
one might want to look into that first.

Cc: Adam Jackson <ajax@redhat.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Emil Velikov 2016-12-05 19:52:43 +00:00 committed by Emil Velikov
parent 63c58dfc65
commit dfc84c2296
6 changed files with 8 additions and 25 deletions
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9
configure.ac
View File

@ -1776,7 +1776,6 @@ if test "x$enable_dri" = xyes; then
# Platform specific settings and drivers to build
case "$host_os" in
linux*)
DEFINES="$DEFINES -DHAVE_ALIAS"
if test "x$enable_dri3" = xyes; then
DEFINES="$DEFINES -DHAVE_DRI3"
fi
@ -1790,19 +1789,13 @@ if test "x$enable_dri" = xyes; then
;;
esac
;;
*freebsd* | dragonfly* | *netbsd* | openbsd*)
DEFINES="$DEFINES -DHAVE_ALIAS"
;;
gnu*)
DEFINES="$DEFINES -DHAVE_ALIAS"
;;
cygwin*)
if test "x$with_dri_drivers" = "xyes"; then
with_dri_drivers="swrast"
fi
;;
darwin*)
DEFINES="$DEFINES -DGLX_ALIAS_UNSUPPORTED -DBUILDING_MESA"
DEFINES="$DEFINES -DBUILDING_MESA"
if test "x$with_dri_drivers" = "xyes"; then
with_dri_drivers="swrast"
fi

4
scons/gallium.py
View File

@ -323,10 +323,6 @@ def generate(env):
'GLX_DIRECT_RENDERING',
'GLX_INDIRECT_RENDERING',
]
if env['platform'] in ('linux', 'freebsd'):
cppdefines += ['HAVE_ALIAS']
else:
cppdefines += ['GLX_ALIAS_UNSUPPORTED']
if env['platform'] in ('linux', 'darwin'):
cppdefines += ['HAVE_XLOCALE_H']

4
src/glx/glxcmds.c
View File

@ -2664,7 +2664,7 @@ _GLX_PUBLIC void (*glXGetProcAddressARB(const GLubyte * procName)) (void)
* \sa glXGetProcAddressARB
*/
_GLX_PUBLIC void (*glXGetProcAddress(const GLubyte * procName)) (void)
#if defined(__GNUC__) && !defined(GLX_ALIAS_UNSUPPORTED)
# ifdef HAVE_FUNC_ATTRIBUTE_ALIAS
# if defined(USE_MGL_NAMESPACE)
__attribute__ ((alias("mglXGetProcAddressARB")));
# else
@ -2674,7 +2674,7 @@ _GLX_PUBLIC void (*glXGetProcAddress(const GLubyte * procName)) (void)
{
return glXGetProcAddressARB(procName);
}
#endif /* __GNUC__ */
#endif /* HAVE_FUNC_ATTRIBUTE_ALIA */
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

4
src/glx/glxextensions.h
View File

@ -281,7 +281,7 @@ typedef void (*PFNGLXDISABLEEXTENSIONPROC) (const char *name);
/* GLX_ALIAS should be used for functions with a non-void return type.
GLX_ALIAS_VOID is for functions with a void return type. */
# if defined(__GNUC__) && !defined(GLX_ALIAS_UNSUPPORTED)
# ifdef HAVE_FUNC_ATTRIBUTE_ALIAS
/* GLX_ALIAS and GLX_ALIAS_VOID both expand to the macro GLX_ALIAS2. Using the
* extra expansion means that the name mangling macros in glx_mangle.h will
* apply before stringification, so the alias attribute will have a string like
@ -300,7 +300,7 @@ typedef void (*PFNGLXDISABLEEXTENSIONPROC) (const char *name);
# define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \
void real_func proto_args \
{ aliased_func args ; }
# endif /* __GNUC__ */
# endif /* HAVE_FUNC_ATTRIBUTE_ALIAS */
#ifdef __cplusplus
}

10
src/mapi/glapi/gen/glX_proto_size.py
View File

@ -330,10 +330,7 @@ class PrintGlxSizeStubs_c(PrintGlxSizeStubs_common):
self.printFastcall()
print ''
print ''
print '#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(GLX_USE_APPLEGL)'
print '# undef HAVE_ALIAS'
print '#endif'
print '#ifdef HAVE_ALIAS'
print '#ifdef HAVE_FUNC_ATTRIBUTE_ALIAS'
print '# define ALIAS2(from,to) \\'
print ' _X_INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\'
print ' __attribute__ ((alias( # to )));'
@ -452,10 +449,7 @@ class PrintGlxReqSize_c(PrintGlxReqSize_common):
print '#include "indirect_size.h"'
print '#include "indirect_reqsize.h"'
print ''
print '#if defined(__CYGWIN__) || defined(__MINGW32__)'
print '# undef HAVE_ALIAS'
print '#endif'
print '#ifdef HAVE_ALIAS'
print '#ifdef HAVE_FUNC_ATTRIBUTE_ALIAS'
print '# define ALIAS2(from,to) \\'
print ' GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap, int reqlen ) \\'
print ' __attribute__ ((alias( # to )));'

2
src/mapi/glapi/gen/gl_x86_asm.py
View File

@ -120,7 +120,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
print '\tJMP(GL_OFFSET(off))'
print '#endif'
print ''
print '#ifdef HAVE_ALIAS'
print '#ifdef HAVE_FUNC_ATTRIBUTE_ALIAS'
print '# define GL_STUB_ALIAS(fn,off,fn_alt,alias,alias_alt)\t\\'
print '\t.globl\tGL_PREFIX(fn, fn_alt) ;\t\t\t\\'
print '\t.set\tGL_PREFIX(fn, fn_alt), GL_PREFIX(alias, alias_alt)'