evas: add evas gl-drm engine

Summary: This is the first step to introduce a gl-drm backend.

Test Plan: "ecore evas" create with ecore_evas_gl_drm_new(). It creates "ecore evas" with gl_drm evas backend.
@feature

Reviewers: raster, Hermet, cedric, devilhorns

Subscribers: cedric

Differential Revision: https://phab.enlightenment.org/D1187

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/m4/evas_check_engine.m4 b/m4/evas_check_engine.m4
index fd29393096..6b2ca60335 100644
--- a/m4/evas_check_engine.m4
+++ b/m4/evas_check_engine.m4
@@ -641,6 +641,45 @@ AS_IF([test "x${have_dep}" = "xyes"], [$4], [$5])
 
 ])
 
+dnl use: EVAS_CHECK_ENGINE_DEP_GL_DRM(engine, simple, want_static[, ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+
+AC_DEFUN([EVAS_CHECK_ENGINE_DEP_GL_DRM],
+[
+
+requirement=""
+have_dep="no"
+have_hw_dep="no"
+evas_engine_[]$1[]_cflags=""
+evas_engine_[]$1[]_libs=""
+
+gl_library="glesv2"
+
+PKG_CHECK_EXISTS([egl >= 7.10 ${gl_library} gbm],
+   [
+    have_dep="yes"
+    requirement="egl >= 7.10 ${gl_library} gbm"
+   ],
+   [have_dep="no"])
+
+if test "x${have_dep}" = "xyes" ; then
+   if test "x$3" = "xstatic" ; then
+      requirements_pc_evas="${requirement} ${requirements_pc_evas}"
+      requirements_pc_deps_evas="${requirement} ${requirements_pc_deps_evas}"
+   else
+      PKG_CHECK_MODULES([GL_DRM], [${requirement}])
+      evas_engine_[]$1[]_cflags="${GL_DRM_CFLAGS}"
+      evas_engine_[]$1[]_libs="${GL_DRM_LIBS}"
+      evas_engine_gl_common_libs="$evas_engine_[]$1[]_libdirs -lGLESv2 -lm -lEGL"
+   fi
+fi
+
+AC_SUBST([evas_engine_$1_cflags])
+AC_SUBST([evas_engine_$1_libs])
+
+AS_IF([test "x${have_dep}" = "xyes"], [$4], [$5])
+
+])
+
 
 dnl use: EVAS_ENGINE(name, want_engine, [DEPENDENCY-CHECK-CODE])
 dnl