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authorChris Wilson <chris@chris-wilson.co.uk>2010-03-11 01:48:43 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-03-11 01:49:18 +0000
commitb101c7dab8cdbf7b9321355a8d2311b2f863f011 (patch)
tree8357716b0e3bbbae3e3e2bcc8bb5fc3ea7e49fe4 /configure.ac
parentca6e4e1f91e0a90666551d2fa74cfc04484d4e80 (diff)
gl: Add EGL interface
Enable the EGL backend for GL.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac52
1 files changed, 29 insertions, 23 deletions
diff --git a/configure.ac b/configure.ac
index b483dd245..cd848c1f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -324,8 +324,9 @@ CAIRO_ENABLE_SURFACE_BACKEND(gl, OpenGL, no, [
fi])
have_glew="no"
- AC_CHECK_LIB(GLEW, glewInit,
- [AC_CHECK_HEADER(GL/glew.h, [have_glew="yes"], [])])
+ # Disable system GLEW since it assumes X and crashes with EGL
+ #AC_CHECK_LIB(GLEW, glewInit,
+ # [AC_CHECK_HEADER(GL/glew.h, [have_glew="yes"], [])])
if test "x$have_glew" = "xyes"; then
gl_NONPKGCONFIG_LIBS="-lGLEW $gl_NONPKGCONFIG_LIBS"
use_glew="yes (system library)"
@@ -335,6 +336,7 @@ CAIRO_ENABLE_SURFACE_BACKEND(gl, OpenGL, no, [
CAIRO_CFLAGS="$CAIRO_CFLAGS -I\$(top_srcdir)/src/glew"
fi
need_glx_functions=yes
+ need_egl_functions=yes
])
dnl ===========================================================================
@@ -360,27 +362,31 @@ CAIRO_ENABLE_SURFACE_BACKEND(vg, OpenVG, no, [
CAIRO_ENABLE_FUNCTIONS(egl, EGL, auto, [
if test "x$need_egl_functions" = "xyes"; then
- AC_CHECK_HEADER(EGL/egl.h,, [use_egl="no (EGL headers not found)"])
- if test "x$use_egl" = "xyes"; then
- egl_NONPKGCONFIG_CFLAGS=
- egl_NONPKGCONFIG_LIBS=
- save_LIBS="$LIBS"
- other_egl_LIBS=""
- # Temporary workaround for missing link from egl13
- AC_CHECK_LIB(csi, csi_stream_attachresource, other_egl_LIBS="-lcsi")
- LIBS="$other_egl_LIBS $LIBS"
- for egl_lib in EGL egl13 egl12 egl11; do
- if test -z "$egl_NONPKGCONFIG_LIBS"; then
- AC_CHECK_LIB($egl_lib, eglGetError, egl_NONPKGCONFIG_LIBS="-l$egl_lib")
- fi
- done
- if test -z "$egl_NONPKGCONFIG_LIBS"; then
- use_egl="no (EGL library not found)"
- else
- egl_NONPKGCONFIG_LIBS="$egl_NONPKGCONFIG_LIBS $other_egl_LIBS"
- fi
- LIBS="$save_LIBS"
- fi
+ egl_REQUIRES="egl"
+ PKG_CHECK_MODULES(egl, $egl_REQUIRES, ,
+ [egl_REQUIRES=""
+ AC_CHECK_HEADER(EGL/egl.h,, [use_egl="no (EGL headers not found)"])
+ if test "x$use_egl" = "xyes"; then
+ egl_NONPKGCONFIG_CFLAGS=
+ egl_NONPKGCONFIG_LIBS=
+ save_LIBS="$LIBS"
+ other_egl_LIBS=""
+ # Temporary workaround for missing link from egl13
+ AC_CHECK_LIB(csi, csi_stream_attachresource, other_egl_LIBS="-lcsi")
+ LIBS="$other_egl_LIBS $LIBS"
+ for egl_lib in EGL egl13 egl12 egl11; do
+ if test -z "$egl_NONPKGCONFIG_LIBS"; then
+ AC_CHECK_LIB($egl_lib, eglGetError, egl_NONPKGCONFIG_LIBS="-l$egl_lib")
+ fi
+ done
+ if test -z "$egl_NONPKGCONFIG_LIBS"; then
+ use_egl="no (EGL library not found)"
+ else
+ egl_NONPKGCONFIG_LIBS="$egl_NONPKGCONFIG_LIBS $other_egl_LIBS"
+ fi
+ LIBS="$save_LIBS"
+ fi
+ ])
else
use_egl="no (not required by any backend)"
fi