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Generic check for desktop GL and EGL on Linux systems

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This commit is contained in:
Nicolas Caramelli 2021-05-04 14:59:29 +02:00 committed by Sam Lantinga
parent f309d0649d
commit 31637ddeea
3 changed files with 106 additions and 154 deletions
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157
configure vendored
View file

@ -21694,7 +21694,8 @@ $as_echo "#define SDL_VIDEO_DRIVER_X11_XVIDMODE 1" >>confdefs.h
SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
fi
fi
else
fi
if test x$have_x != xyes; then
# Prevent Mesa from including X11 headers
EXTRA_CFLAGS="$EXTRA_CFLAGS -DMESA_EGL_NO_X11_HEADERS -DEGL_NO_X11"
fi
@ -22316,16 +22317,15 @@ else
fi
CheckOpenGLX11()
CheckGLX()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenGL (GLX) support" >&5
$as_echo_n "checking for OpenGL (GLX) support... " >&6; }
video_opengl=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLX support" >&5
$as_echo_n "checking for GLX support... " >&6; }
video_opengl_glx=no
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <GL/gl.h>
#include <GL/glx.h>
int
@ -22337,59 +22337,18 @@ main ()
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
video_opengl=yes
video_opengl_glx=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl" >&5
$as_echo "$video_opengl" >&6; }
if test x$video_opengl = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl_glx" >&5
$as_echo "$video_opengl_glx" >&6; }
if test x$video_opengl_glx = xyes; then
$as_echo "#define SDL_VIDEO_OPENGL 1" >>confdefs.h
$as_echo "#define SDL_VIDEO_OPENGL_GLX 1" >>confdefs.h
$as_echo "#define SDL_VIDEO_RENDER_OGL 1" >>confdefs.h
SUMMARY_video="${SUMMARY_video} opengl(glx)"
fi
fi
}
CheckOpenGLKMSDRM()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes -a x$enable_video_kmsdrm = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenGL (GLVND) support" >&5
$as_echo_n "checking for OpenGL (GLVND) support... " >&6; }
video_opengl=no
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <GL/gl.h>
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
video_opengl=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl" >&5
$as_echo "$video_opengl" >&6; }
if test x$video_opengl = xyes; then
$as_echo "#define SDL_VIDEO_OPENGL 1" >>confdefs.h
$as_echo "#define SDL_VIDEO_RENDER_OGL 1" >>confdefs.h
SUMMARY_video="${SUMMARY_video} opengl(glvnd)"
fi
fi
}
@ -22416,9 +22375,9 @@ else
fi
CheckOpenGLESX11()
CheckEGL()
{
if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
if test x$enable_video = xyes -a x$enable_video_opengl = xyes || test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGL support" >&5
$as_echo_n "checking for EGL support... " >&6; }
video_opengl_egl=no
@ -22451,7 +22410,50 @@ $as_echo "$video_opengl_egl" >&6; }
$as_echo "#define SDL_VIDEO_OPENGL_EGL 1" >>confdefs.h
fi
fi
}
CheckOpenGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenGL headers" >&5
$as_echo_n "checking for OpenGL headers... " >&6; }
video_opengl=no
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <GL/gl.h>
#include <GL/glext.h>
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
video_opengl=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl" >&5
$as_echo "$video_opengl" >&6; }
if test x$video_opengl = xyes; then
$as_echo "#define SDL_VIDEO_OPENGL 1" >>confdefs.h
$as_echo "#define SDL_VIDEO_RENDER_OGL 1" >>confdefs.h
SUMMARY_video="${SUMMARY_video} opengl"
fi
fi
}
CheckOpenGLES()
{
if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
if test x$enable_video_opengles1 = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenGL ES v1 headers" >&5
$as_echo_n "checking for OpenGL ES v1 headers... " >&6; }
@ -22524,42 +22526,6 @@ $as_echo "#define SDL_VIDEO_RENDER_OGL_ES2 1" >>confdefs.h
fi
}
CheckEGLKMSDRM()
{
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGL support" >&5
$as_echo_n "checking for EGL support... " >&6; }
video_opengl_egl=no
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#define LINUX
#define EGL_API_FB
#define MESA_EGL_NO_X11_HEADERS
#define EGL_NO_X11
#include <EGL/egl.h>
#include <EGL/eglext.h>
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
video_opengl_egl=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_opengl_egl" >&5
$as_echo "$video_opengl_egl" >&6; }
if test x$video_opengl_egl = xyes; then
$as_echo "#define SDL_VIDEO_OPENGL_EGL 1" >>confdefs.h
fi
}
CheckWINDOWSGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
@ -24957,12 +24923,12 @@ $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
CheckRPI
CheckX11
CheckDirectFB
# Need to check for EGL first because KMSDRM depends on it.
CheckEGLKMSDRM
# Need to check for EGL first because KMSDRM and Wayland depends on it.
CheckEGL
CheckKMSDRM
CheckOpenGLKMSDRM
CheckOpenGLX11
CheckOpenGLESX11
CheckGLX
CheckOpenGL
CheckOpenGLES
CheckVulkan
CheckWayland
CheckInputEvents
@ -25617,7 +25583,8 @@ $as_echo "#define SDL_VIDEO_RENDER_OGL_ES2 1" >>confdefs.h
CheckX11
CheckMacGL
CheckMacGLES
CheckOpenGLX11
CheckGLX
CheckOpenGL
CheckVulkan
CheckPTHREAD
CheckHIDAPI

101
configure.ac
View file

@ -2018,7 +2018,8 @@ XITouchClassInfo *t;
SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
fi
fi
else
fi
if test x$have_x != xyes; then
# Prevent Mesa from including X11 headers
EXTRA_CFLAGS="$EXTRA_CFLAGS -DMESA_EGL_NO_X11_HEADERS -DEGL_NO_X11"
fi
@ -2286,40 +2287,19 @@ AC_ARG_ENABLE(video-opengl,
[AS_HELP_STRING([--enable-video-opengl], [include OpenGL support [default=yes]])],
, enable_video_opengl=yes)
dnl Find OpenGL
CheckOpenGLX11()
dnl Find GLX
CheckGLX()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
AC_MSG_CHECKING(for OpenGL (GLX) support)
video_opengl=no
AC_MSG_CHECKING(for GLX support)
video_opengl_glx=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <GL/gl.h>
#include <GL/glx.h>
]],[])], [video_opengl=yes],[])
AC_MSG_RESULT($video_opengl)
if test x$video_opengl = xyes; then
]],[])], [video_opengl_glx=yes],[])
AC_MSG_RESULT($video_opengl_glx)
if test x$video_opengl_glx = xyes; then
AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
SUMMARY_video="${SUMMARY_video} opengl(glx)"
fi
fi
}
dnl Find KMSDRM OpenGL (GLVND)
CheckOpenGLKMSDRM()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes -a x$enable_video_kmsdrm = xyes; then
AC_MSG_CHECKING(for OpenGL (GLVND) support)
video_opengl=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <GL/gl.h>
]],[])], [video_opengl=yes],[])
AC_MSG_RESULT($video_opengl)
if test x$video_opengl = xyes; then
AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
SUMMARY_video="${SUMMARY_video} opengl(glvnd)"
fi
fi
}
@ -2335,10 +2315,10 @@ AC_ARG_ENABLE(video-opengles2,
[AS_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [default=yes]])],
, enable_video_opengles2=yes)
dnl Find OpenGL ES
CheckOpenGLESX11()
dnl Find EGL
CheckEGL()
{
if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
if test x$enable_video = xyes -a x$enable_video_opengl = xyes || test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
AC_MSG_CHECKING(for EGL support)
video_opengl_egl=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@ -2353,7 +2333,32 @@ CheckOpenGLESX11()
if test x$video_opengl_egl = xyes; then
AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
fi
fi
}
dnl Find OpenGL
CheckOpenGL()
{
if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
AC_MSG_CHECKING(for OpenGL headers)
video_opengl=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <GL/gl.h>
#include <GL/glext.h>
]],[])], [video_opengl=yes],[])
AC_MSG_RESULT($video_opengl)
if test x$video_opengl = xyes; then
AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
SUMMARY_video="${SUMMARY_video} opengl"
fi
fi
}
dnl Find OpenGL ES
CheckOpenGLES()
{
if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
if test x$enable_video_opengles1 = xyes; then
AC_MSG_CHECKING(for OpenGL ES v1 headers)
video_opengles_v1=no
@ -2386,25 +2391,6 @@ CheckOpenGLESX11()
fi
}
dnl Find EGL
CheckEGLKMSDRM()
{
AC_MSG_CHECKING(for EGL support)
video_opengl_egl=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define LINUX
#define EGL_API_FB
#define MESA_EGL_NO_X11_HEADERS
#define EGL_NO_X11
#include <EGL/egl.h>
#include <EGL/eglext.h>
]],[])], [video_opengl_egl=yes],[])
AC_MSG_RESULT($video_opengl_egl)
if test x$video_opengl_egl = xyes; then
AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
fi
}
dnl Check for Windows OpenGL
CheckWINDOWSGL()
{
@ -3562,12 +3548,12 @@ case "$host" in
CheckRPI
CheckX11
CheckDirectFB
# Need to check for EGL first because KMSDRM depends on it.
CheckEGLKMSDRM
# Need to check for EGL first because KMSDRM and Wayland depends on it.
CheckEGL
CheckKMSDRM
CheckOpenGLKMSDRM
CheckOpenGLX11
CheckOpenGLESX11
CheckGLX
CheckOpenGL
CheckOpenGLES
CheckVulkan
CheckWayland
CheckInputEvents
@ -4079,7 +4065,8 @@ case "$host" in
CheckX11
CheckMacGL
CheckMacGLES
CheckOpenGLX11
CheckGLX
CheckOpenGL
CheckVulkan
CheckPTHREAD
CheckHIDAPI

2
src/video/wayland/SDL_waylandvideo.h
View file

@ -34,8 +34,6 @@
!!! FIXME: in Ubuntu 18.04 (and other distros).
*/
#define MESA_EGL_NO_X11_HEADERS
#define EGL_NO_X11
#include <EGL/egl.h>
#include "wayland-util.h"