[cogl/wip/cogl-sharp: 1/51] cogl-sharp: Create a cogl2-sharp assembly

[Damien Lespiau <dlespiau src gnome org>]

commit d149dcb02c65c212d4f2e71607fff7081c78ef59
Author: Damien Lespiau <damien lespiau intel com>
Date:   Sat Sep 29 17:48:06 2012 +0100

    cogl-sharp: Create a cogl2-sharp assembly
    
    This commit includes quite of a bit of the administrative work to make
    cogl2-sharp.dll assembly that can be used to access Cogl API with C#.
    
    Let's start simple and bing CoglColor in this first commit.

 .gitignore                        |    3 ++
 Makefile.am                       |    4 +++
 cogl-sharp/AssemblyInfo.cs.in     |    4 +++
 cogl-sharp/Color.cs               |   55 +++++++++++++++++++++++++++++++++++++
 cogl-sharp/Makefile.am            |   31 +++++++++++++++++++++
 cogl-sharp/cogl2-sharp.dll.config |    3 ++
 cogl-sharp/cogl2-sharp.pc.in      |    8 +++++
 cogl-sharp/cogl2-sharp.rsp        |    2 +
 configure.ac                      |   22 +++++++++++++++
 9 files changed, 132 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 1adb397..e0c8a27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,8 @@ compile
 *.la
 *.gcov
 *.exe
+*.dll
+*.mdb
 /README
 stamp-enum-types
 stamp-marshal
@@ -29,6 +31,7 @@ stamp-marshal
 *.gir
 *.typelib
 /cogl-pango/cogl-pango.rc
+/cogl-sharp/AssemblyInfo.cs
 /cogl/cogl.rc
 /cogl/cogl-defines.h
 /cogl/cogl-defines.h.win32
diff --git a/Makefile.am b/Makefile.am
index c764b46..d3373a1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,6 +8,10 @@ if BUILD_COGL_GLES2
 SUBDIRS += cogl-gles2
 endif
 
+if BUILD_COGL_SHARP
+SUBDIRS += cogl-sharp
+endif
+
 SUBDIRS += examples doc po build
 
 ACLOCAL_AMFLAGS = -I build/autotools ${ACLOCAL_FLAGS}
diff --git a/cogl-sharp/AssemblyInfo.cs.in b/cogl-sharp/AssemblyInfo.cs.in
new file mode 100644
index 0000000..4c7e874
--- /dev/null
+++ b/cogl-sharp/AssemblyInfo.cs.in
@@ -0,0 +1,4 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly:AssemblyVersion ("@COGL_MAJOR_VERSION  @COGL_MINOR_VERSION  *")]
diff --git a/cogl-sharp/Color.cs b/cogl-sharp/Color.cs
new file mode 100644
index 0000000..6ff3121
--- /dev/null
+++ b/cogl-sharp/Color.cs
@@ -0,0 +1,55 @@
+/*
+ * Cogl
+ *
+ * An object oriented GL/GLES Abstraction/Utility Layer
+ *
+ * Copyright (C) 2012 Intel Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *   Damien Lespiau <damien lespiau intel com>
+ */
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Cogl
+{
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Color
+    {
+        public float Red { get; set; }
+        public float Green { get; set; }
+        public float Blue { get; set; }
+        public float Alpha { get; set; }
+
+        [DllImport("cogl2.dll")]
+        private static extern void cogl_color_premultiply(ref Color color);
+
+        public void Premuliply()
+        {
+            cogl_color_premultiply(ref this);
+        }
+
+        [DllImport("cogl2.dll")]
+        private static extern void cogl_color_unpremultiply(ref Color color);
+
+        public void UnPremultiply()
+        {
+            cogl_color_unpremultiply(ref this);
+        }
+    }
+}
diff --git a/cogl-sharp/Makefile.am b/cogl-sharp/Makefile.am
new file mode 100644
index 0000000..a4066d7
--- /dev/null
+++ b/cogl-sharp/Makefile.am
@@ -0,0 +1,31 @@
+
+assemblydir = $(libdir)/cogl
+assembly_DATA = cogl2-sharp.dll cogl2-sharp.dll.config cogl2-sharp.dll.mdb
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = cogl2-sharp.pc
+
+sources =		\
+	Color.cs	\
+	AssemblyInfo.cs	\
+	$(NULL)
+
+cogl2-sharp.dll: $(sources)
+	@rm -f cogl2-sharp.dll.mdb
+	$(MCS) $(CSFLAGS) @$(srcdir)/cogl2-sharp.rsp -debug $(sources)
+
+cogl2-sharp.dll.mdb: cogl2-sharp.dll
+
+EXTRA_DIST =			\
+	$(sources)		\
+	cogl2-sharp.pc.in	\
+	$(NULL)
+
+CLEANFILES =			\
+	cogl2-sharp.dll		\
+	cogl2-sharp.dll.mdb	\
+	$(NULL)
+
+DISTCLEANFILES =		\
+	AssemblyInfo.cs		\
+	$(NULL)
diff --git a/cogl-sharp/cogl2-sharp.dll.config b/cogl-sharp/cogl2-sharp.dll.config
new file mode 100644
index 0000000..3a2b8a7
--- /dev/null
+++ b/cogl-sharp/cogl2-sharp.dll.config
@@ -0,0 +1,3 @@
+<configuration>
+  <dllmap dll="Cogl2.dll" target="libcogl2.so" />
+</configuration>
diff --git a/cogl-sharp/cogl2-sharp.pc.in b/cogl-sharp/cogl2-sharp.pc.in
new file mode 100644
index 0000000..10242bc
--- /dev/null
+++ b/cogl-sharp/cogl2-sharp.pc.in
@@ -0,0 +1,8 @@
+prefix= prefix@
+assemblies_dir=${prefix}/lib/cogl
+Librairies=${assemblies_dir}/cogl2-sharp.dll
+
+Name: Cogl2 C# binding
+Description: An object oriented GL/GLES Abstraction/Utility Layer
+Version: @COGL_VERSION@
+Libs: -r:cogl2-sharp.dll
diff --git a/cogl-sharp/cogl2-sharp.rsp b/cogl-sharp/cogl2-sharp.rsp
new file mode 100644
index 0000000..9820937
--- /dev/null
+++ b/cogl-sharp/cogl2-sharp.rsp
@@ -0,0 +1,2 @@
+/target:library
+/out:cogl2-sharp.dll
diff --git a/configure.ac b/configure.ac
index 4e19a62..46df082 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1197,6 +1197,24 @@ COGL_DEFINES_EXTRA="$COGL_DEFINES_EXTRA
 "
 
 dnl ================================================================
+dnl C# bindings
+dnl ================================================================
+AC_PATH_PROG(MCS, [mcs], [no])
+AS_IF([test "x$MCS" != "xno"], [have_mcs=yes])
+
+AC_ARG_ENABLE(
+  [cogl-sharp],
+  [AC_HELP_STRING([--enable-cogl-sharp=@<:@no/yes@:>@], [Build C sharp bindings @<:@default=auto@:>@])],
+  [],
+  [enable_cogl_sharp=$have_mcs]
+)
+AS_IF([test "x$enable_cogl_sharp" = "xyes" -a "x$have_mcs" != "xyes"],
+      [AC_MSG_ERROR([Could not find a C sharp compiler])])
+
+AM_CONDITIONAL(BUILD_COGL_SHARP, [test "$enable_cogl_sharp" = "yes"])
+AC_SUBST(MCS)
+
+dnl ================================================================
 dnl What needs to be substituted in other files
 dnl ================================================================
 COGL_DEFINES="$COGL_DEFINES_EXTRA"
@@ -1261,6 +1279,9 @@ cogl-pango/cogl-pango2.pc
 cogl-pango/cogl-pango.rc
 cogl-gles2/Makefile
 cogl-gles2/cogl-gles2-experimental.pc
+cogl-sharp/Makefile
+cogl-sharp/AssemblyInfo.cs
+cogl-sharp/cogl2-sharp.pc
 doc/Makefile
 doc/reference/Makefile
 doc/reference/cogl2/Makefile
@@ -1326,6 +1347,7 @@ echo " â Extra:"
 echo "        Build API reference: ${enable_gtk_doc}"
 echo "        Build introspection data: ${enable_introspection}"
 echo "        Enable internationalization: ${USE_NLS}"
+echo "        Build C# binding: ${enable_cogl_sharp}"
 
 echo ""