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build: Check for GLES3/gl3ext.h existence

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Some OpenGL drivers do not ship this but use GLES2/gl2ext.h instead.
This is also in line with Khronos's recommendations

https://bugzilla.gnome.org/show_bug.cgi?id=781885
This commit is contained in:
Jens Georg 2017-05-11 10:29:58 +02:00 committed by Matthew Waters
parent b2663e12e4
commit 791e7522eb
2 changed files with 25 additions and 3 deletions
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23
configure.ac
View file

@ -699,6 +699,10 @@ case $host in
AG_GST_CHECK_LIBHEADER(GLES2, GLESv2, glTexImage2D,, GLES2/gl2.h)
fi
AC_CHECK_HEADER([GLES3/gl3.h], [HAVE_GLES3_H=yes])
AS_IF([test "x$HAVE_GLES3_H" == "xyes"],
[
AC_CHECK_HEADER([GLES3/gl3ext.h], [HAVE_GLES3EXT3_H=yes], [HAVE_GLES3EXT3_H=no], [#include <GLES3/gl3.h>])
])
fi
if test "x$NEED_EGL" != "xno"; then
AG_GST_PKG_CHECK_MODULES(EGL, egl)
@ -874,9 +878,13 @@ fi
dnl check if we can include both GL and GLES2 at the same time
if test "x$HAVE_GL" = "xyes" -a "x$HAVE_GLES2" = "xyes"; then
GLES3_H_DEFINE=0
GLES3EXT3_H_DEFINE=0
if test "x$HAVE_GLES3_H" == "xyes"; then
GLES3_H_DEFINE=1
fi
if test "x$HAVE_GLES3EXT3_H" == "xyes"; then
GLES3EXT3_H_DEFINE=1
fi
GL_INCLUDES="
#ifdef __GNUC__
# pragma GCC diagnostic push
@ -891,7 +899,10 @@ if test "x$HAVE_GL" = "xyes" -a "x$HAVE_GLES2" = "xyes"; then
# else
# if $GLES3_H_DEFINE
# include <GLES3/gl3.h>
# include <GLES3/gl3ext.h>
# if $GLES3EXT3_H_DEFINE
# include <GLES3/gl3ext.h>
# endif
# include <GLES2/gl2ext.h>
# else
# include <GLES2/gl2.h>
# include <GLES2/gl2ext.h>
@ -1177,6 +1188,7 @@ dnl APIs
GST_GL_HAVE_OPENGL=0
GST_GL_HAVE_GLES2=0
GST_GL_HAVE_GLES3=0
GST_GL_HAVE_GLES3EXT3_H=0
if test "x$USE_OPENGL" = "xyes"; then
GL_APIS="gl $GL_APIS"
@ -1187,6 +1199,9 @@ if test "x$USE_GLES2" = "xyes"; then
GST_GL_HAVE_GLES2=1
if test "x$HAVE_GLES3_H" = "xyes"; then
GST_GL_HAVE_GLES3=1
if test "x$HAVE_GLES3EXT3_H" = "xyes"; then
GST_GL_HAVE_GLES3EXT3_H=1
fi
fi
fi
@ -1194,6 +1209,7 @@ GL_CONFIG_DEFINES="$GL_CONFIG_DEFINES
#define GST_GL_HAVE_OPENGL $GST_GL_HAVE_OPENGL
#define GST_GL_HAVE_GLES2 $GST_GL_HAVE_GLES2
#define GST_GL_HAVE_GLES3 $GST_GL_HAVE_GLES3
#define GST_GL_HAVE_GLES3EXT3_H $GST_GL_HAVE_GLES3EXT3_H
"
dnl WINDOW's
@ -1371,7 +1387,10 @@ if test "x$USE_GLES2" = "xyes"; then
# else
# if $GST_GL_HAVE_GLES3
# include <GLES3/gl3.h>
# include <GLES3/gl3ext.h>
# if $GST_GL_HAVE_GLES3EXT3_H
# include <GLES3/gl3ext.h>
# endif
# include <GLES2/gl2ext.h>
# else
# include <GLES2/gl2.h>
# include <GLES2/gl2ext.h>

5
gst-libs/gst/gl/gstglapi.h
View file

@ -38,7 +38,10 @@
# else
# if GST_GL_HAVE_GLES3
# include <GLES3/gl3.h>
# include <GLES3/gl3ext.h>
# if GST_GL_HAVE_GLES3EXT3_H
# include <GLES3/gl3ext.h>
# endif
# include <GLES2/gl2ext.h>
# else
# include <GLES2/gl2.h>
# include <GLES2/gl2ext.h>