[Mono.Cairo] Add OpenGL texture Surface support (#2443)

* Add OpenGL texture Surface support

* reorganize with EGL,WGL,GLX Device classes, and a single GLSurface class

9 files changed, 391 insertions, 1 deletions

diff --git a/mcs/class/Mono.Cairo/Mono.Cairo.dll.sources b/mcs/class/Mono.Cairo/Mono.Cairo.dll.sources
index 880cdf2adc3..f5129cd9ddc 100644
--- a/mcs/class/Mono.Cairo/Mono.Cairo.dll.sources
+++ b/mcs/class/Mono.Cairo/Mono.Cairo.dll.sources
@@ -54,4 +54,8 @@
 ./Mono.Cairo/Win32Surface.cs
 ./Mono.Cairo/XcbSurface.cs
 ./Mono.Cairo/XlibSurface.cs
-
+./Mono.Cairo/GLSurface.cs
+./Mono.Cairo/Device.cs
+./Mono.Cairo/GLXDevice.cs
+./Mono.Cairo/EGLDevice.cs
+./Mono.Cairo/WGLDevice.cs
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/Device.cs b/mcs/class/Mono.Cairo/Mono.Cairo/Device.cs
new file mode 100644
index 00000000000..06715bc9e99
--- /dev/null
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/Device.cs
@@ -0,0 +1,101 @@
+//
+// Mono.Cairo.Device.cs
+//
+// Authors:
+//			JP Bruyère (jp_bruyere@hotmail.com)
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2016 JP Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System;
+
+namespace Cairo
+{
+	public class Device : IDisposable
+	{
+		IntPtr handle = IntPtr.Zero;
+
+		protected Device()
+		{
+		}
+
+		protected Device (IntPtr ptr) : this (ptr, true)
+		{
+		}
+
+		protected Device (IntPtr handle, bool owner)
+		{
+			this.handle = handle;
+			if (!owner)
+				NativeMethods.cairo_device_reference (handle);
+			if (CairoDebug.Enabled)
+				CairoDebug.OnAllocated (handle);
+		}
+
+		~Device ()
+		{
+			Dispose (false);
+		}
+
+		public IntPtr Handle {
+			get {
+				return handle;
+			}
+		}
+		public string Status {
+			get {
+				return  System.Runtime.InteropServices.Marshal.PtrToStringAuto(NativeMethods.cairo_status_to_string (NativeMethods.cairo_device_status (handle)));
+			}
+		}
+		public void SetThreadAware (bool value){
+			NativeMethods.cairo_gl_device_set_thread_aware (handle, value ? 1 : 0);
+		}
+		public Status Acquire()
+		{
+			return NativeMethods.cairo_device_acquire (handle);
+		}
+		public void Release()
+		{
+			NativeMethods.cairo_device_release (handle);
+		}
+
+		public void Dispose ()
+		{
+			Dispose (true);
+			GC.SuppressFinalize (this);
+		}
+
+		protected virtual void Dispose (bool disposing)
+		{
+			if (!disposing || CairoDebug.Enabled)
+				CairoDebug.OnDisposed<Device> (handle, disposing);
+
+			if (!disposing || handle == IntPtr.Zero)
+				return;
+
+			NativeMethods.cairo_device_destroy (handle);
+			handle = IntPtr.Zero;
+		}
+	}
+}
+
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/EGLDevice.cs b/mcs/class/Mono.Cairo/Mono.Cairo/EGLDevice.cs
new file mode 100644
index 00000000000..45c988a3849
--- /dev/null
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/EGLDevice.cs
@@ -0,0 +1,41 @@
+//
+// Mono.Cairo.Device.cs
+//
+// Authors:
+//			JP Bruyère (jp_bruyere@hotmail.com)
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2016 JP Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System;
+
+namespace Cairo
+{
+	public class EGLDevice : Device
+	{
+		public EGLDevice (IntPtr dpy, IntPtr gl_ctx) : base (NativeMethods.cairo_egl_device_create (dpy, gl_ctx), true)
+		{
+		}
+	}
+}
+
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/GLSurface.cs b/mcs/class/Mono.Cairo/Mono.Cairo/GLSurface.cs
new file mode 100644
index 00000000000..9486c9cd13c
--- /dev/null
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/GLSurface.cs
@@ -0,0 +1,61 @@
+//
+// Mono.Cairo.GLSurface.cs
+//
+// Authors:
+//			JP Bruyère (jp_bruyere@hotmail.com)
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2016 JP Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+
+namespace Cairo {
+
+	public class GLSurface : Surface
+	{
+		
+		public GLSurface (IntPtr ptr, bool own) : base (ptr, own)
+		{}
+
+		public GLSurface (Device device, Cairo.Content content, uint tex, int width, int height)
+			: base (NativeMethods.cairo_gl_surface_create_for_texture (device.Handle, (uint)content, tex, width, height), true)
+		{}
+
+		public GLSurface (EGLDevice device, IntPtr eglSurf, int width, int height)
+			: base (NativeMethods.cairo_gl_surface_create_for_egl (device.Handle, eglSurf, width, height), true)
+		{}
+
+		public GLSurface (GLXDevice device, IntPtr window, int width, int height)
+			: base (NativeMethods.cairo_gl_surface_create_for_window (device.Handle, window, width, height),true)
+		{}
+
+		public GLSurface (WGLDevice device, IntPtr hdc, int width, int height)
+			: base (NativeMethods.cairo_gl_surface_create_for_dc (device.Handle, hdc, width, height), true)
+		{}
+
+		public void SwapBuffers(){
+			NativeMethods.cairo_gl_surface_swapbuffers (this.Handle);
+		}
+	}
+}
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/GLXDevice.cs b/mcs/class/Mono.Cairo/Mono.Cairo/GLXDevice.cs
new file mode 100644
index 00000000000..189872a26ba
--- /dev/null
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/GLXDevice.cs
@@ -0,0 +1,49 @@
+//
+// Mono.Cairo.Device.cs
+//
+// Authors:
+//			JP Bruyère (jp_bruyere@hotmail.com)
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2016 JP Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System;
+
+namespace Cairo
+{
+	public class GLXDevice : Device
+	{
+		public GLXDevice (IntPtr dpy, IntPtr gl_ctx) : base (NativeMethods.cairo_glx_device_create (dpy, gl_ctx), true)
+		{
+		}
+
+		public IntPtr Display {
+			get { return NativeMethods.cairo_glx_device_get_display (Handle); }
+		}
+
+		public IntPtr Context {
+			get { return NativeMethods.cairo_glx_device_get_context (Handle); }
+		}
+	}
+}
+
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/NativeMethods.cs b/mcs/class/Mono.Cairo/Mono.Cairo/NativeMethods.cs
index 8509c6db25f..9726cb8c4e7 100644
--- a/mcs/class/Mono.Cairo/Mono.Cairo/NativeMethods.cs
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/NativeMethods.cs
@@ -871,5 +871,78 @@ namespace Cairo
 		
 		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
 		internal static extern void cairo_xlib_surface_set_size (IntPtr surface, int width, int height);
+
+		#region GLSurface
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_gl_surface_create (IntPtr device, uint content, int width, int height);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_gl_surface_create_for_texture (IntPtr device, uint content, uint tex, int width, int height);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern void cairo_gl_surface_set_size (IntPtr surface, int width, int height);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern int cairo_gl_surface_get_width (IntPtr surface);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern int cairo_gl_surface_get_height (IntPtr surface);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern void cairo_gl_surface_swapbuffers (IntPtr surf);
+		#endregion
+
+		#region GLX Functions
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_glx_device_create (IntPtr dpy, IntPtr gl_ctx);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_glx_device_get_display (IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_glx_device_get_context (IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_gl_surface_create_for_window (IntPtr device, IntPtr window, int width, int height);
+		#endregion
+
+		#region WGL Fucntions
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_wgl_device_create (IntPtr hglrc);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_wgl_device_get_context (IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_gl_surface_create_for_dc (IntPtr device, IntPtr hdc, int width, int height);
+		#endregion
+
+		#region EGL Functions
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_egl_device_create (IntPtr dpy, IntPtr gl_ctx);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_gl_surface_create_for_egl (IntPtr device, IntPtr eglSurface, int width, int height);
+		#endregion
+
+		#region Device
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern IntPtr cairo_device_reference (IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern Status cairo_device_status(IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern void cairo_device_destroy (IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern Status cairo_device_acquire(IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern void cairo_device_release(IntPtr device);
+
+		[DllImport (cairo, CallingConvention=CallingConvention.Cdecl)]
+		internal static extern void cairo_gl_device_set_thread_aware(IntPtr device, int value);
+		#endregion
 	}
 }
\ No newline at end of file
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/Surface.cs b/mcs/class/Mono.Cairo/Mono.Cairo/Surface.cs
index 07e0d4d9975..d38b75556e5 100644
--- a/mcs/class/Mono.Cairo/Mono.Cairo/Surface.cs
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/Surface.cs
@@ -86,6 +86,8 @@ namespace Cairo {
 				return new DirectFBSurface (surface, owned);
 			case SurfaceType.Svg:
 				return new SvgSurface (surface, owned);
+			case SurfaceType.GL:
+				return new GLSurface (surface, owned);
 			default:
 				return new Surface (surface, owned);
 			}
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/SurfaceType.cs b/mcs/class/Mono.Cairo/Mono.Cairo/SurfaceType.cs
index 83dd4b684a2..9272fed17b2 100644
--- a/mcs/class/Mono.Cairo/Mono.Cairo/SurfaceType.cs
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/SurfaceType.cs
@@ -3,6 +3,7 @@
 //
 // Authors:
 //    John Luke
+//    JP Bruyère
 //
 // (C) John Luke, 2006.
 //
@@ -44,5 +45,18 @@ namespace Cairo {
 		BeOS,
 		DirectFB,
 		Svg,
+		OS2,
+		Win32Printing,
+		QuartzImage,
+		Script,
+		Qt,
+		Recording,
+		VG,
+		GL,
+		Drm,
+		Tee,
+		Xml,
+		Skia,
+		SubSurface
 	}
 }
diff --git a/mcs/class/Mono.Cairo/Mono.Cairo/WGLDevice.cs b/mcs/class/Mono.Cairo/Mono.Cairo/WGLDevice.cs
new file mode 100644
index 00000000000..03f7e3a4987
--- /dev/null
+++ b/mcs/class/Mono.Cairo/Mono.Cairo/WGLDevice.cs
@@ -0,0 +1,45 @@
+//
+// Mono.Cairo.Device.cs
+//
+// Authors:
+//			JP Bruyère (jp_bruyere@hotmail.com)
+//
+// This is an OO wrapper API for the Cairo API
+//
+// Copyright (C) 2016 JP Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System;
+
+namespace Cairo
+{
+	public class WGLDevice : Device
+	{
+		public WGLDevice (IntPtr hglrc) : base (NativeMethods.cairo_wgl_device_create (hglrc), true)
+		{
+		}
+
+		public IntPtr Context {
+			get { return NativeMethods.cairo_wgl_device_get_context (Handle); }
+		}
+	}
+}
+