userland: Add wayland support

backport and fix needed patches for supporting wayland-egl use PACKAGECONFIG for wayland so we can add proper DEPENDS on wayland Fix QA warnings about dev-so Signed-off-by: Khem Raj <raj.khem@gmail.com>
2026-10-16 03:46:59 +00:00 · 2016-03-10 14:49:21 +01:00
1 parent 4db634bcda
commit bfbe0ce3b4
@@ -0,0 +1,208 @@
+From b5295cb247dfb062843f4a4c9996186e865d0cc2 Mon Sep 17 00:00:00 2001
+From: Dom Cobley <dc4@broadcom.com>
+Date: Tue, 9 Jul 2013 09:26:26 -0400
+Subject: [PATCH 08/16] Allow applications to set next resource handle
+
+This patch adds provisions in userland to
+let apps callers set the next rendereing dispmanx resource.
+It's useful for implementing, say, a buffer carousel.
+---
+ interface/khronos/common/khrn_client_rpc.h |  2 ++
+ interface/khronos/common/khrn_int_ids.h    |  2 ++
+ interface/khronos/egl/egl_client.c         | 30 +++++++++++++++++++++++++++---
+ interface/khronos/egl/egl_client_surface.c | 24 +++++++++++++++++++++++-
+ interface/khronos/egl/egl_client_surface.h |  3 ++-
+ interface/khronos/egl/egl_int_impl.h       |  5 +++--
+ 6 files changed, 59 insertions(+), 7 deletions(-)
+
+diff --git a/interface/khronos/common/khrn_client_rpc.h b/interface/khronos/common/khrn_client_rpc.h
+index 418aa67..a7557a8 100644
+--- a/interface/khronos/common/khrn_client_rpc.h
+++ b/interface/khronos/common/khrn_client_rpc.h
+@@ -683,6 +683,7 @@ static INLINE void rpc_call12_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id
+ static INLINE void rpc_call13_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, void *out)               { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11);      rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
+ static INLINE void rpc_call14_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
+ static INLINE void rpc_call15_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, uint32_t p13, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
+static INLINE void rpc_call16_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, uint32_t p13, uint32_t p14, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
+ #endif
+ 
+ #define RPC_CALL1_OUT_CTRL(fn, thread, id, out)                                               rpc_call1_out_ctrl(thread, id, out)
+@@ -700,6 +701,7 @@ static INLINE void rpc_call15_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id
+ #define RPC_CALL13_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, out)      rpc_call13_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, out)
+ #define RPC_CALL14_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, out) rpc_call14_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, out)
+ #define RPC_CALL15_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, out) rpc_call15_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, out)
+#define RPC_CALL16_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, out) rpc_call16_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, out)
+ 
+ # if !defined(__SYMBIAN32__)  //use functions defined in khrpc.cpp
+ static INLINE uint32_t rpc_call1_out_ctrl_res(CLIENT_THREAD_STATE_T *thread,uint32_t id, void *out)                                                                                                                       { uint32_t res; rpc_begin(thread); RPC_CALL(thread, id);                                     res = rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_RES | RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); return res; }
+diff --git a/interface/khronos/common/khrn_int_ids.h b/interface/khronos/common/khrn_int_ids.h
+index 8378f4a..ec961e0 100644
+--- a/interface/khronos/common/khrn_int_ids.h
+++ b/interface/khronos/common/khrn_int_ids.h
+@@ -367,6 +367,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+ #define EGLINTCREATESURFACE_ID            0x4000
+#define EGLINTCREATESURFACE_ID_V2         0x4100
+ #define EGLINTCREATEGLES11_ID             0x4001
+ #define EGLINTCREATEGLES20_ID             0x4002
+ #define EGLINTCREATEVG_ID                 0x4003
+@@ -377,6 +378,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ #define EGLINTMAKECURRENT_ID              0x4008
+ #define EGLINTFLUSHANDWAIT_ID             0x4009
+ #define EGLINTSWAPBUFFERS_ID              0x400a
+#define EGLINTSWAPBUFFERS_ID_V2           0x410a
+ #define EGLINTSELECTMIPMAP_ID             0x400b
+ #define EGLINTFLUSH_ID                    0x400c
+ #define EGLINTGETCOLORDATA_ID             0x400d
+diff --git a/interface/khronos/egl/egl_client.c b/interface/khronos/egl/egl_client.c
+index 472ef0c..234da65 100644
+--- a/interface/khronos/egl/egl_client.c
+++ b/interface/khronos/egl/egl_client.c
+@@ -162,6 +162,17 @@ static void egl_current_release(CLIENT_PROCESS_STATE_T *process, EGL_CURRENT_T *
+ void egl_gl_flush_callback(bool wait);
+ void egl_vg_flush_callback(bool wait);
+ 
+#include "interface/vmcs_host/vc_dispmanx_types.h"
+/**HACKHACK - give us the ability to inject a DispmanX 
+ * resource handle into the CreateWindowSurface and 
+ * SwapBuffers calls */ 
+static DISPMANX_RESOURCE_HANDLE_T next_resource_handle;
+
+EGLAPI EGLBoolean EGLAPIENTRY eglSetNextResourceHandle(DISPMANX_RESOURCE_HANDLE_T handle)
+{
+   next_resource_handle = handle;
+}
+
+ /*
+ TODO: do an RPC call to make sure the Khronos vll is loaded (and that it stays loaded until eglTerminate)
+ Also affects global image (and possibly others?)
+@@ -644,7 +655,8 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig c
+                                 false,
+                                 EGL_NO_TEXTURE,
+                                 EGL_NO_TEXTURE,
+-                                0, 0);
+                                0, 0,
+                                next_resource_handle);
+ 
+                if (surface) {
+                   if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
+@@ -889,7 +901,7 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig
+                              mipmap_texture,
+                              texture_format,
+                              texture_target,
+-                             0, 0);
+                             0, 0, 0);
+ 
+             if (surface) {
+                if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
+@@ -1031,7 +1043,7 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig c
+                                    false,
+                                    EGL_NO_TEXTURE,
+                                    EGL_NO_TEXTURE,
+-                                   pixmap, ((server_handle[0] == 0) && (server_handle[1] == (uint32_t)(-1))) ? NULL : server_handle);
+                                   pixmap, ((server_handle[0] == 0) && (server_handle[1] == (uint32_t)(-1))) ? NULL : server_handle, 0);
+ 
+                      if (surface) {
+                         if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
+@@ -2303,6 +2315,18 @@ EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surf)
+ 
+                vcos_log_trace("eglSwapBuffers server call");
+ 
+               if (next_resource_handle)
+               RPC_CALL7(eglIntSwapBuffers_impl,
+                     thread,
+                     EGLINTSWAPBUFFERS_ID_V2,
+                     RPC_UINT(surface->serverbuffer),
+                     RPC_UINT(surface->width),
+                     RPC_UINT(surface->height),
+                     RPC_UINT(surface->internal_handle),
+                     RPC_UINT(surface->swap_behavior == EGL_BUFFER_PRESERVED ? 1 : 0),
+                     RPC_UINT(khrn_platform_get_window_position(surface->win)),
+                     RPC_INT(next_resource_handle));
+               else
+                RPC_CALL6(eglIntSwapBuffers_impl,
+                      thread,
+                      EGLINTSWAPBUFFERS_ID,
+diff --git a/interface/khronos/egl/egl_client_surface.c b/interface/khronos/egl/egl_client_surface.c
+index 0fa1fd1..0dc10e2 100644
+--- a/interface/khronos/egl/egl_client_surface.c
+++ b/interface/khronos/egl/egl_client_surface.c
+@@ -314,7 +314,8 @@ EGL_SURFACE_T *egl_surface_create(
+    EGLenum texture_format,
+    EGLenum texture_target,
+    EGLNativePixmapType pixmap,
+-   const uint32_t *pixmap_server_handle)
+   const uint32_t *pixmap_server_handle,
+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle)
+ {
+    KHRN_IMAGE_FORMAT_T color;
+    KHRN_IMAGE_FORMAT_T depth;
+@@ -473,6 +474,27 @@ EGL_SURFACE_T *egl_surface_create(
+ #endif
+          uint32_t results[3];
+ 
+         if (next_resource_handle)
+         RPC_CALL16_OUT_CTRL(eglIntCreateSurface_impl,
+                             thread,
+                             EGLINTCREATESURFACE_ID_V2,
+                             RPC_UINT(serverwin),
+                             RPC_UINT(buffers),
+                             RPC_UINT(width),
+                             RPC_UINT(height),
+                             RPC_UINT(color),
+                             RPC_UINT(depth),
+                             RPC_UINT(mask),
+                             RPC_UINT(multi),
+                             RPC_UINT(largest_pbuffer),
+                             RPC_UINT(mipmap_texture),
+                             RPC_UINT(config_depth_bits),
+                             RPC_UINT(config_stencil_bits),
+                             RPC_UINT(sem_name),
+                             RPC_UINT(type),
+                             RPC_INT(next_resource_handle),
+                             results);
+         else
+          RPC_CALL15_OUT_CTRL(eglIntCreateSurface_impl,
+                              thread,
+                              EGLINTCREATESURFACE_ID,
+diff --git a/interface/khronos/egl/egl_client_surface.h b/interface/khronos/egl/egl_client_surface.h
+index c99d44c..b5bf70a 100644
+--- a/interface/khronos/egl/egl_client_surface.h
+++ b/interface/khronos/egl/egl_client_surface.h
+@@ -322,7 +322,8 @@ extern EGL_SURFACE_T *egl_surface_create(
+    EGLenum texture_format,
+    EGLenum texture_target,
+    EGLNativePixmapType pixmap,
+-   const uint32_t *pixmap_server_handle);
+   const uint32_t *pixmap_server_handle,
+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle);
+ extern EGL_SURFACE_T *egl_surface_from_vg_image(
+    VGImage vg_handle,
+    EGLSurface name,
+diff --git a/interface/khronos/egl/egl_int_impl.h b/interface/khronos/egl/egl_int_impl.h
+index 8a5734c..51b3580 100644
+--- a/interface/khronos/egl/egl_int_impl.h
+++ b/interface/khronos/egl/egl_int_impl.h
+@@ -56,7 +56,8 @@ FN(int, eglIntCreateSurface_impl, (
+    uint32_t config_stencil_bits,
+    uint32_t sem,
+    uint32_t type,
+-   uint32_t *results))
+   uint32_t *results,
+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle))
+ 
+ FN(int, eglIntCreatePbufferFromVGImage_impl, (
+    VGImage vg_handle,
+@@ -110,7 +111,7 @@ FN(void, eglIntMakeCurrent_impl, (uint32_t pid_0, uint32_t pid_1, uint32_t glver
+ FN(int, eglIntFlushAndWait_impl, (uint32_t flushgl, uint32_t flushvg))
+ FN(void, eglIntFlush_impl, (uint32_t flushgl, uint32_t flushvg))
+ 
+-FN(void, eglIntSwapBuffers_impl, (EGL_SURFACE_ID_T s, uint32_t width, uint32_t height, uint32_t handle, uint32_t preserve, uint32_t position))
+FN(void, eglIntSwapBuffers_impl, (EGL_SURFACE_ID_T s, uint32_t width, uint32_t height, uint32_t handle, uint32_t preserve, uint32_t position, DISPMANX_RESOURCE_HANDLE_T new_back_buffer))
+ FN(void, eglIntSelectMipmap_impl, (EGL_SURFACE_ID_T s, int level))
+ 
+ FN(void, eglIntGetColorData_impl, (EGL_SURFACE_ID_T s, KHRN_IMAGE_FORMAT_T format, uint32_t width, uint32_t height, int32_t stride, uint32_t y_offset, void *data))
+-- 
+2.7.0
+
@@ -0,0 +1,866 @@
+From b853c05f425775a65cfc5a2d64b3491ab3673e36 Mon Sep 17 00:00:00 2001
+From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
+Date: Tue, 1 Oct 2013 13:19:20 +0200
+Subject: [PATCH 10/16] wayland: Add Wayland example
+
+---
+ .../linux/apps/hello_pi/CMakeLists.txt             |   1 +
+ .../apps/hello_pi/hello_wayland/CMakeLists.txt     |   8 +
+ .../apps/hello_pi/hello_wayland/Djenne_128_128.raw |   3 +
+ .../linux/apps/hello_pi/hello_wayland/Makefile     |   5 +
+ .../hello_wayland/cube_texture_and_coords.h        | 100 ++++
+ .../linux/apps/hello_pi/hello_wayland/triangle.c   | 666 +++++++++++++++++++++
+ host_applications/linux/apps/hello_pi/rebuild.sh   |   3 +-
+ 7 files changed, 785 insertions(+), 1 deletion(-)
+ create mode 100644 host_applications/linux/apps/hello_pi/hello_wayland/CMakeLists.txt
+ create mode 100644 host_applications/linux/apps/hello_pi/hello_wayland/Djenne_128_128.raw
+ create mode 100644 host_applications/linux/apps/hello_pi/hello_wayland/Makefile
+ create mode 100644 host_applications/linux/apps/hello_pi/hello_wayland/cube_texture_and_coords.h
+ create mode 100644 host_applications/linux/apps/hello_pi/hello_wayland/triangle.c
+
+diff --git a/host_applications/linux/apps/hello_pi/CMakeLists.txt b/host_applications/linux/apps/hello_pi/CMakeLists.txt
+index f2c6aef..0df78f7 100644
+--- a/host_applications/linux/apps/hello_pi/CMakeLists.txt
+++ b/host_applications/linux/apps/hello_pi/CMakeLists.txt
+@@ -21,6 +21,7 @@ add_subdirectory(hello_encode)
+ add_subdirectory(hello_jpeg)
+ add_subdirectory(hello_videocube)
+ add_subdirectory(hello_teapot)
+add_subdirectory(hello_wayland)
+ 
+ if(BUILD_FONT)
+ set(VGFONT_SRCS libs/vgfont/font.c libs/vgfont/vgft.c libs/vgfont/graphics.c)
+diff --git a/host_applications/linux/apps/hello_pi/hello_wayland/CMakeLists.txt b/host_applications/linux/apps/hello_pi/hello_wayland/CMakeLists.txt
+new file mode 100644
+index 0000000..9a2f75c
+--- /dev/null
+++ b/host_applications/linux/apps/hello_pi/hello_wayland/CMakeLists.txt
+@@ -0,0 +1,8 @@
+set(EXEC hello_wayland.bin)
+set(SRCS triangle.c)
+
+add_executable(${EXEC} ${SRCS})
+target_link_libraries(${EXEC} ${HELLO_PI_LIBS} -lwayland-client -lwayland-egl)
+
+install(TARGETS ${EXEC}
+        RUNTIME DESTINATION bin)
+diff --git a/host_applications/linux/apps/hello_pi/hello_wayland/Djenne_128_128.raw b/host_applications/linux/apps/hello_pi/hello_wayland/Djenne_128_128.raw
+new file mode 100644
+index 0000000..de9173c
+--- /dev/null
+++ b/host_applications/linux/apps/hello_pi/hello_wayland/Djenne_128_128.raw
+@@ -0,0 +1,3 @@
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Line truncated
+!" &'%&$$/(%$OD=k��y…�詠�ぢ��������������仨���歌{／���と{��r��o������g��|―������w��E\dCV]7FT>K[9FM3CP*<M$<R�果������㌧�Ю���仝�����{��|��s��r��m��k��>Ym=Yj:Te8Rc6Pb1KQ/FO9IR>KX����Ⅵ}��^x�[v�f}�Oct:L]BQbAN\;GSDMW;MV5GO1AM5EQ5EQ5ER9IV3BO1BO/@M3DQ/@L3CS/?O0@P2BR0@P0@P2BR3CS0@P1AQ1AQ1AQ,9I0=M1>N'4D+5F1;L'1B'1C"-;!*7$.$*&+/&*+"'((,-".+%-,#"%$#!!,+'/+*=98%-&
+\ No newline at end of file
+diff --git a/host_applications/linux/apps/hello_pi/hello_wayland/Makefile b/host_applications/linux/apps/hello_pi/hello_wayland/Makefile
+new file mode 100644
+index 0000000..c9ddf23
+--- /dev/null
+++ b/host_applications/linux/apps/hello_pi/hello_wayland/Makefile
+@@ -0,0 +1,5 @@
+OBJS=triangle.o
+BIN=hello_wayland.bin
+LDFLAGS+=-lwayland-client -lwayland-egl
+
+include ../Makefile.include
+diff --git a/host_applications/linux/apps/hello_pi/hello_wayland/cube_texture_and_coords.h b/host_applications/linux/apps/hello_pi/hello_wayland/cube_texture_and_coords.h
+new file mode 100644
+index 0000000..663e23b
+--- /dev/null
+++ b/host_applications/linux/apps/hello_pi/hello_wayland/cube_texture_and_coords.h
+@@ -0,0 +1,100 @@
+/*
+Copyright (c) 2012, Broadcom Europe Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the copyright holder nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// Spatial coordinates for the cube
+
+static const GLbyte quadx[6*4*3] = {
+   /* FRONT */
+   -10, -10,  10,
+   10, -10,  10,
+   -10,  10,  10,
+   10,  10,  10,
+
+   /* BACK */
+   -10, -10, -10,
+   -10,  10, -10,
+   10, -10, -10,
+   10,  10, -10,
+
+   /* LEFT */
+   -10, -10,  10,
+   -10,  10,  10,
+   -10, -10, -10,
+   -10,  10, -10,
+
+   /* RIGHT */
+   10, -10, -10,
+   10,  10, -10,
+   10, -10,  10,
+   10,  10,  10,
+
+   /* TOP */
+   -10,  10,  10,
+   10,  10,  10,
+   -10,  10, -10,
+   10,  10, -10,
+
+   /* BOTTOM */
+   -10, -10,  10,
+   -10, -10, -10,
+   10, -10,  10,
+   10, -10, -10,
+};
+
+/** Texture coordinates for the quad. */
+static const GLfloat texCoords[6 * 4 * 2] = {
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+
+   0.f,  0.f,
+   1.f,  0.f,
+   0.f,  1.f,
+   1.f,  1.f,
+};
+
+diff --git a/host_applications/linux/apps/hello_pi/hello_wayland/triangle.c b/host_applications/linux/apps/hello_pi/hello_wayland/triangle.c
+new file mode 100644
+index 0000000..1a7bfc4
+--- /dev/null
+++ b/host_applications/linux/apps/hello_pi/hello_wayland/triangle.c
+@@ -0,0 +1,666 @@
+/*
+Copyright (c) 2012, Broadcom Europe Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the copyright holder nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// A rotating cube rendered with OpenGL|ES. Three images used as textures on the cube faces.
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <wayland-egl.h>
+#include <wayland-client.h>
+
+#include "GLES/gl.h"
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "cube_texture_and_coords.h"
+
+#define PATH "./"
+
+#define IMAGE_SIZE 128
+
+#ifndef M_PI
+   #define M_PI 3.141592654
+#endif
+	
+
+typedef struct
+{
+   uint32_t screen_width;
+   uint32_t screen_height;
+// OpenGL|ES objects
+   EGLDisplay display;
+   EGLSurface surface;
+   EGLContext context;
+   GLuint tex[6];
+// model rotation vector and direction
+   GLfloat rot_angle_x_inc;
+   GLfloat rot_angle_y_inc;
+   GLfloat rot_angle_z_inc;
+// current model rotation angles
+   GLfloat rot_angle_x;
+   GLfloat rot_angle_y;
+   GLfloat rot_angle_z;
+// current distance from camera
+   GLfloat distance;
+   GLfloat distance_inc;
+// pointers to texture buffers
+   char *tex_buf1;
+   char *tex_buf2;
+   char *tex_buf3;
+   struct wl_display *wl_display;
+   struct wl_registry *wl_registry;
+   struct wl_shell *wl_shell;
+   struct wl_shell_surface *wl_shell_surface;
+   struct wl_compositor *wl_compositor;
+   struct wl_surface *wl_surface;
+   struct wl_callback *wl_callback;
+   struct wl_egl_window *wl_egl_window;
+   int needs_update;
+   int ellapsed_frames;
+   int kill_compositor;
+   int single_frame;
+   int terminate_abruptly;
+} CUBE_STATE_T;
+
+static void init_ogl(CUBE_STATE_T *state);
+static void init_model_proj(CUBE_STATE_T *state);
+static void reset_model(CUBE_STATE_T *state);
+static GLfloat inc_and_wrap_angle(GLfloat angle, GLfloat angle_inc);
+static GLfloat inc_and_clip_distance(GLfloat distance, GLfloat distance_inc);
+static void redraw_scene(CUBE_STATE_T *state);
+static void update_model(CUBE_STATE_T *state);
+static void init_textures(CUBE_STATE_T *state);
+static void load_tex_images(CUBE_STATE_T *state);
+static void exit_func(CUBE_STATE_T *state);
+
+static void
+registry_handle_global(void *data, struct wl_registry *registry,
+		       uint32_t name, const char *interface, uint32_t version)
+{
+	CUBE_STATE_T *state = data;
+
+	if (strcmp(interface, "wl_compositor") == 0) {
+		state->wl_compositor =
+			wl_registry_bind(registry, name,
+					 &wl_compositor_interface, 1);
+	} else if (strcmp(interface, "wl_shell") == 0) {
+		state->wl_shell = wl_registry_bind(registry, name,
+					    &wl_shell_interface, 1);
+	}
+}
+
+static void
+registry_handle_global_remove(void *data, struct wl_registry *registry,
+			      uint32_t name)
+{
+}
+
+static const struct wl_registry_listener registry_listener = {
+	registry_handle_global,
+	registry_handle_global_remove
+};
+
+/***********************************************************
+ * Name: init_ogl
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description: Sets the display, OpenGL|ES context and screen stuff
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void init_ogl(CUBE_STATE_T *state)
+{
+   EGLBoolean result;
+   EGLint num_config;
+
+   static const EGLint attribute_list[] =
+   {
+      EGL_RED_SIZE, 8,
+      EGL_GREEN_SIZE, 8,
+      EGL_BLUE_SIZE, 8,
+      EGL_ALPHA_SIZE, 8,
+      EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+      EGL_NONE
+   };
+   
+   EGLConfig config;
+
+   state->wl_display = wl_display_connect(NULL);
+
+   state->wl_registry = wl_display_get_registry(state->wl_display);
+   wl_registry_add_listener(state->wl_registry, &registry_listener, state);
+
+   wl_display_dispatch(state->wl_display);
+
+   // get an EGL display connection
+   state->display = eglGetDisplay(state->wl_display);
+   assert(state->display!=EGL_NO_DISPLAY);
+
+   // initialize the EGL display connection
+   result = eglInitialize(state->display, NULL, NULL);
+   assert(EGL_FALSE != result);
+
+   // get an appropriate EGL frame buffer configuration
+   result = eglChooseConfig(state->display, attribute_list, &config, 1, &num_config);
+   assert(EGL_FALSE != result);
+
+   // create an EGL rendering context
+   state->context = eglCreateContext(state->display, config, EGL_NO_CONTEXT, NULL);
+   assert(state->context!=EGL_NO_CONTEXT);
+
+   // create an EGL window surface
+   state->screen_width = 1024;
+   state->screen_height = 860;
+
+   state->wl_surface = wl_compositor_create_surface(state->wl_compositor);
+   state->wl_shell_surface = wl_shell_get_shell_surface(state->wl_shell, state->wl_surface);
+
+   wl_shell_surface_set_toplevel(state->wl_shell_surface);
+   wl_shell_surface_set_title(state->wl_shell_surface, "triangle.c");
+
+   state->wl_egl_window = wl_egl_window_create(state->wl_surface, state->screen_width, state->screen_height);
+
+   state->surface = eglCreateWindowSurface( state->display, config, state->wl_egl_window, NULL );
+   assert(state->surface != EGL_NO_SURFACE);
+
+   // connect the context to the surface
+   result = eglMakeCurrent(state->display, state->surface, state->surface, state->context);
+   assert(EGL_FALSE != result);
+
+   // Set background color and clear buffers
+   glClearColor(0.15f, 0.25f, 0.35f, 1.0f);
+
+   // Enable back face culling.
+   glEnable(GL_CULL_FACE);
+
+   glMatrixMode(GL_MODELVIEW);
+}
+
+/***********************************************************
+ * Name: init_model_proj
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description: Sets the OpenGL|ES model to default values
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void init_model_proj(CUBE_STATE_T *state)
+{
+   float nearp = 1.0f;
+   float farp = 500.0f;
+   float hht;
+   float hwd;
+
+   glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
+
+   glViewport(0, 0, (GLsizei)state->screen_width, (GLsizei)state->screen_height);
+      
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+
+   hht = nearp * (float)tan(45.0 / 2.0 / 180.0 * M_PI);
+   hwd = hht * (float)state->screen_width / (float)state->screen_height;
+
+   glFrustumf(-hwd, hwd, -hht, hht, nearp, farp);
+   
+   glEnableClientState( GL_VERTEX_ARRAY );
+   glVertexPointer( 3, GL_BYTE, 0, quadx );
+
+   reset_model(state);
+}
+
+/***********************************************************
+ * Name: reset_model
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description: Resets the Model projection and rotation direction
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void reset_model(CUBE_STATE_T *state)
+{
+   // reset model position
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.f, 0.f, -50.f);
+
+   // reset model rotation
+   state->rot_angle_x = 45.f; state->rot_angle_y = 30.f; state->rot_angle_z = 0.f;
+   state->rot_angle_x_inc = 0.5f; state->rot_angle_y_inc = 0.5f; state->rot_angle_z_inc = 0.f;
+   state->distance = 40.f;
+}
+
+/***********************************************************
+ * Name: update_model
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description: Updates model projection to current position/rotation
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void update_model(CUBE_STATE_T *state)
+{
+   // update position
+   state->rot_angle_x = inc_and_wrap_angle(state->rot_angle_x, state->rot_angle_x_inc);
+   state->rot_angle_y = inc_and_wrap_angle(state->rot_angle_y, state->rot_angle_y_inc);
+   state->rot_angle_z = inc_and_wrap_angle(state->rot_angle_z, state->rot_angle_z_inc);
+   state->distance    = inc_and_clip_distance(state->distance, state->distance_inc);
+
+   glLoadIdentity();
+   // move camera back to see the cube
+   glTranslatef(0.f, 0.f, -state->distance);
+
+   // Rotate model to new position
+   glRotatef(state->rot_angle_x, 1.f, 0.f, 0.f);
+   glRotatef(state->rot_angle_y, 0.f, 1.f, 0.f);
+   glRotatef(state->rot_angle_z, 0.f, 0.f, 1.f);
+}
+
+/***********************************************************
+ * Name: inc_and_wrap_angle
+ *
+ * Arguments:
+ *       GLfloat angle     current angle
+ *       GLfloat angle_inc angle increment
+ *
+ * Description:   Increments or decrements angle by angle_inc degrees
+ *                Wraps to 0 at 360 deg.
+ *
+ * Returns: new value of angle
+ *
+ ***********************************************************/
+static GLfloat inc_and_wrap_angle(GLfloat angle, GLfloat angle_inc)
+{
+   angle += angle_inc;
+
+   if (angle >= 360.0)
+      angle -= 360.f;
+   else if (angle <=0)
+      angle += 360.f;
+
+   return angle;
+}
+
+/***********************************************************
+ * Name: inc_and_clip_distance
+ *
+ * Arguments:
+ *       GLfloat distance     current distance
+ *       GLfloat distance_inc distance increment
+ *
+ * Description:   Increments or decrements distance by distance_inc units
+ *                Clips to range
+ *
+ * Returns: new value of angle
+ *
+ ***********************************************************/
+static GLfloat inc_and_clip_distance(GLfloat distance, GLfloat distance_inc)
+{
+   distance += distance_inc;
+
+   if (distance >= 120.0f)
+      distance = 120.f;
+   else if (distance <= 40.0f)
+      distance = 40.0f;
+
+   return distance;
+}
+
+static pid_t get_server_pid(CUBE_STATE_T *state)
+{
+   struct ucred ucred;
+   socklen_t len;
+   int fd;
+
+   fd = wl_display_get_fd(state->wl_display);
+   len = sizeof ucred;
+   getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &len);
+
+   return ucred.pid;
+}
+
+static void
+frame(void *data, struct wl_callback *callback, uint32_t time)
+{
+   CUBE_STATE_T *state = (CUBE_STATE_T *) data;
+
+   state->needs_update = 1;
+}
+
+static const struct wl_callback_listener frame_listener = {
+	frame
+};
+
+static void
+update(CUBE_STATE_T *state)
+{
+   if (!state->single_frame || state->ellapsed_frames == 0) {
+      update_model(state);
+      redraw_scene(state);
+   }
+
+   state->wl_callback = wl_surface_frame(state->wl_surface);
+   wl_callback_add_listener(state->wl_callback, &frame_listener, state);
+
+   if (state->ellapsed_frames == 100) {
+      if (state->kill_compositor) {
+         fprintf(stderr, "reached frame 100, killing compositor\n");
+         pid_t pid = get_server_pid(state);
+         kill(pid, SIGTERM);
+      } else if (state->terminate_abruptly) {
+         fprintf(stderr, "reached frame 100, terminating right away\n");
+         exit_func(state);
+         exit(0);
+      }
+   }
+
+   if (!state->single_frame || state->ellapsed_frames == 0)
+      eglSwapBuffers(state->display, state->surface);
+   else {
+      wl_surface_damage(state->wl_surface, 0, 0, state->screen_width,
+                        state->screen_height);
+      wl_surface_commit(state->wl_surface);
+   }
+
+   state->ellapsed_frames++;
+}
+
+/***********************************************************
+ * Name: redraw_scene
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description:   Draws the model and calls eglSwapBuffers
+ *                to render to screen
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void redraw_scene(CUBE_STATE_T *state)
+{
+   // Start with a clear screen
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   // Draw first (front) face:
+   // Bind texture surface to current vertices
+   glBindTexture(GL_TEXTURE_2D, state->tex[0]);
+
+   // Need to rotate textures - do this by rotating each cube face
+   glRotatef(270.f, 0.f, 0.f, 1.f ); // front face normal along z axis
+
+   // draw first 4 vertices
+   glDrawArrays( GL_TRIANGLE_STRIP, 0, 4);
+
+   // same pattern for other 5 faces - rotation chosen to make image orientation 'nice'
+   glBindTexture(GL_TEXTURE_2D, state->tex[1]);
+   glRotatef(90.f, 0.f, 0.f, 1.f ); // back face normal along z axis
+   glDrawArrays( GL_TRIANGLE_STRIP, 4, 4);
+
+   glBindTexture(GL_TEXTURE_2D, state->tex[2]);
+   glRotatef(90.f, 1.f, 0.f, 0.f ); // left face normal along x axis
+   glDrawArrays( GL_TRIANGLE_STRIP, 8, 4);
+
+   glBindTexture(GL_TEXTURE_2D, state->tex[3]);
+   glRotatef(90.f, 1.f, 0.f, 0.f ); // right face normal along x axis
+   glDrawArrays( GL_TRIANGLE_STRIP, 12, 4);
+
+   glBindTexture(GL_TEXTURE_2D, state->tex[4]);
+   glRotatef(270.f, 0.f, 1.f, 0.f ); // top face normal along y axis
+   glDrawArrays( GL_TRIANGLE_STRIP, 16, 4);
+
+   glBindTexture(GL_TEXTURE_2D, state->tex[5]);
+   glRotatef(90.f, 0.f, 1.f, 0.f ); // bottom face normal along y axis
+   glDrawArrays( GL_TRIANGLE_STRIP, 20, 4);
+}
+
+/***********************************************************
+ * Name: init_textures
+ *
+ * Arguments:
+ *       CUBE_STATE_T *state - holds OGLES model info
+ *
+ * Description:   Initialise OGL|ES texture surfaces to use image
+ *                buffers
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void init_textures(CUBE_STATE_T *state)
+{
+   // load three texture buffers but use them on six OGL|ES texture surfaces
+   load_tex_images(state);
+   glGenTextures(6, &state->tex[0]);
+
+   // setup first texture
+   glBindTexture(GL_TEXTURE_2D, state->tex[0]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf1);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   // setup second texture - reuse first image
+   glBindTexture(GL_TEXTURE_2D, state->tex[1]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf1);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   // third texture
+   glBindTexture(GL_TEXTURE_2D, state->tex[2]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf2);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   // fourth texture  - reuse second image
+   glBindTexture(GL_TEXTURE_2D, state->tex[3]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf2);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   //fifth texture
+   glBindTexture(GL_TEXTURE_2D, state->tex[4]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf3);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   // sixth texture  - reuse third image
+   glBindTexture(GL_TEXTURE_2D, state->tex[5]);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, IMAGE_SIZE, IMAGE_SIZE, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, state->tex_buf3);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
+
+   // setup overall texture environment
+   glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+   
+   glEnable(GL_TEXTURE_2D);
+}
+
+/***********************************************************
+ * Name: load_tex_images
+ *
+ * Arguments:
+ *       void
+ *
+ * Description: Loads three raw images to use as textures on faces
+ *
+ * Returns: void
+ *
+ ***********************************************************/
+static void load_tex_images(CUBE_STATE_T *state)
+{
+   FILE *tex_file1 = NULL, *tex_file2=NULL, *tex_file3 = NULL;
+   int bytes_read, image_sz = IMAGE_SIZE*IMAGE_SIZE*3;
+
+   state->tex_buf1 = malloc(image_sz);
+   state->tex_buf2 = malloc(image_sz);
+   state->tex_buf3 = malloc(image_sz);
+
+   tex_file1 = fopen(PATH "Lucca_128_128.raw", "rb");
+   if (tex_file1 && state->tex_buf1)
+   {
+      bytes_read=fread(state->tex_buf1, 1, image_sz, tex_file1);
+      assert(bytes_read == image_sz);  // some problem with file?
+      fclose(tex_file1);
+   }
+
+   tex_file2 = fopen(PATH "Djenne_128_128.raw", "rb");
+   if (tex_file2 && state->tex_buf2)
+   {
+      bytes_read=fread(state->tex_buf2, 1, image_sz, tex_file2);
+      assert(bytes_read == image_sz);  // some problem with file?
+      fclose(tex_file2);      
+   }
+
+   tex_file3 = fopen(PATH "Gaudi_128_128.raw", "rb");
+   if (tex_file3 && state->tex_buf3)
+   {
+      bytes_read=fread(state->tex_buf3, 1, image_sz, tex_file3);
+      assert(bytes_read == image_sz);  // some problem with file?
+      fclose(tex_file3);
+   }   
+}
+
+//------------------------------------------------------------------------------
+
+static void exit_func(CUBE_STATE_T *state)
+{
+   // clear screen
+   glClear( GL_COLOR_BUFFER_BIT );
+   eglSwapBuffers(state->display, state->surface);
+
+   // Release OpenGL resources
+   eglMakeCurrent( state->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
+
+   wl_egl_window_destroy(state->wl_egl_window);
+   wl_shell_surface_destroy(state->wl_shell_surface);
+   wl_surface_destroy(state->wl_surface);
+
+   eglDestroySurface( state->display, state->surface );
+   eglDestroyContext( state->display, state->context );
+   eglTerminate( state->display );
+
+   wl_display_flush(state->wl_display);
+
+   // release texture buffers
+   free(state->tex_buf1);
+   free(state->tex_buf2);
+   free(state->tex_buf3);
+
+   printf("\ncube closed\n");
+} // exit_func()
+
+static int running = 1;
+
+static void
+signal_int(int signum)
+{
+	running = 0;
+}
+
+//==============================================================================
+
+int main (int argc, char *argv[])
+{
+   struct sigaction sigint;
+   CUBE_STATE_T state = {0,};
+   int ret = 0;
+   int i;
+
+   for (i = 0; i < argc; i++) {
+      if (strcmp(argv[i], "--kill-compositor") == 0)
+         state.kill_compositor = 1;
+      if (strcmp(argv[i], "--single-frame") == 0)
+         state.single_frame = 1;
+      if (strcmp(argv[i], "--terminate-abruptly") == 0)
+         state.terminate_abruptly = 1;
+      else if (strcmp(argv[i], "--help") == 0 ||
+               strcmp(argv[i], "-h") == 0) {
+         printf("Usage: hello_wayland.bin [OPTION]\n\n");
+         printf("\t--kill-compositor\tkill the Wayland compositor after 100 frames\n");
+         printf("\t-h, --help\t\tshow this text\n");
+         printf("\t--single-frame\t\tupdate the display only once\n");
+         printf("\t--terminate-abruptly\texit right after rendering the 100th frame\n");
+         return 0;
+      }
+   }
+
+   // Start OGLES
+   init_ogl(&state);
+
+   // Setup the model world
+   init_model_proj(&state);
+
+   // initialise the OGLES texture(s)
+   init_textures(&state);
+
+   sigint.sa_handler = signal_int;
+   sigemptyset(&sigint.sa_mask);
+   sigint.sa_flags = SA_RESETHAND;
+   sigaction(SIGINT, &sigint, NULL);
+
+   state.needs_update = 1;
+   while (running && ret != -1) {
+      if (state.needs_update) {
+         update(&state);
+         state.needs_update = 0;
+      }
+
+      ret = wl_display_dispatch(state.wl_display);
+   }
+
+   exit_func(&state);
+
+   return 0;
+}
+
+diff --git a/host_applications/linux/apps/hello_pi/rebuild.sh b/host_applications/linux/apps/hello_pi/rebuild.sh
+index fa4539e..37120ac 100755
+--- a/host_applications/linux/apps/hello_pi/rebuild.sh
+++ b/host_applications/linux/apps/hello_pi/rebuild.sh
+@@ -13,6 +13,7 @@ make -C hello_jpeg clean
+ make -C hello_videocube clean
+ make -C hello_teapot clean
+ make -C hello_fft clean
+make -C hello_wayland clean
+ 
+ make -C libs/ilclient
+ make -C libs/vgfont
+@@ -29,4 +30,4 @@ make -C hello_jpeg
+ make -C hello_videocube
+ make -C hello_teapot
+ make -C hello_fft
+-
+make -C hello_wayland
+-- 
+2.7.0
+
@@ -0,0 +1,28 @@
+From 071771f1c2eb73c1f9083abb3a9f3a7712e20cdf Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 10 Aug 2015 02:38:27 -0700
+Subject: [PATCH 11/16] wayland-egl: Add bcm_host to dependencies
+
+It uses headers like vcos_platform_types.h but does not
+depend on module which should add the required include paths
+lets add the dependency on bcm_host module which should do it
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ interface/khronos/wayland-egl/wayland-egl.pc.in | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/interface/khronos/wayland-egl/wayland-egl.pc.in b/interface/khronos/wayland-egl/wayland-egl.pc.in
+index 8bafc15..fd259c9 100644
+--- a/interface/khronos/wayland-egl/wayland-egl.pc.in
+++ b/interface/khronos/wayland-egl/wayland-egl.pc.in
+@@ -6,5 +6,6 @@ includedir=${prefix}/include
+ Name: wayland-egl
+ Description: VideoCore wayland-egl library
+ Version: @PROJECT_APIVER@
+Requires: bcm_host
+ Libs: -L${libdir} -lwayland-egl
+ Cflags: -I${includedir}
+-- 
+2.7.0
+
@@ -0,0 +1,29 @@
+From fb577f53f9a91745557194b0422504e2cc93a637 Mon Sep 17 00:00:00 2001
+From: "Yann E. MORIN" <yann.morin.1998@free.fr>
+Date: Sat, 24 Jan 2015 22:07:19 +0100
+Subject: [PATCH 12/16] interface: remove faulty assert() to make weston happy
+ at runtime
+
+This was removed after a discussion on IRC with the weston guys
+('daniels' on irc.freenode.net/#wayland).
+
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
+---
+ interface/vmcs_host/vc_vchi_dispmanx.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/interface/vmcs_host/vc_vchi_dispmanx.c b/interface/vmcs_host/vc_vchi_dispmanx.c
+index 1d24b6e..e2e7ccc 100755
+--- a/interface/vmcs_host/vc_vchi_dispmanx.c
+++ b/interface/vmcs_host/vc_vchi_dispmanx.c
+@@ -1304,7 +1304,6 @@ static void *dispmanx_notify_func( void *arg ) {
+          // Decrement the use count - the corresponding "use" is in vc_dispmanx_update_submit.
+          vchi_service_release(dispmanx_client.notify_handle[0]);
+          if (dispmanx_client.update_callback ) {
+-            vcos_assert( dispmanx_client.pending_update_handle == handle);
+             dispmanx_client.update_callback(handle, dispmanx_client.update_callback_param);
+          }
+       } else {
+-- 
+2.7.0
+
@@ -0,0 +1,33 @@
+From 2d91c1fded75b3207743e058b0d5ca9eb98dce58 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 6 Feb 2016 11:10:47 -0800
+Subject: [PATCH 13/16] zero-out wl buffers in egl_surface_free
+
+origins from buildroot
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ interface/khronos/egl/egl_client_surface.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/interface/khronos/egl/egl_client_surface.c b/interface/khronos/egl/egl_client_surface.c
+index 49cf7e5..512c83b 100644
+--- a/interface/khronos/egl/egl_client_surface.c
+++ b/interface/khronos/egl/egl_client_surface.c
+@@ -690,11 +690,13 @@ void egl_surface_free(EGL_SURFACE_T *surface)
+       if (surface->back_wl_buffer) {
+          wl_buffer_destroy(surface->back_wl_buffer->wl_buffer);
+          free(surface->back_wl_buffer);
+         surface->back_wl_buffer = 0;
+       }
+ 
+       if (surface->front_wl_buffer) {
+          wl_buffer_destroy(surface->front_wl_buffer->wl_buffer);
+          free(surface->front_wl_buffer);
+         surface->front_wl_buffer = 0;
+       }
+ #endif
+    }
+-- 
+2.7.0
+
@@ -0,0 +1,34 @@
+From 2c1574b2e867bb5dad028784642a9ad88df6b16c Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 6 Feb 2016 11:11:41 -0800
+Subject: [PATCH 14/16] initialize front back wayland buffers
+
+origins from metrological wayland support
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ interface/khronos/egl/egl_client_surface.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/interface/khronos/egl/egl_client_surface.c b/interface/khronos/egl/egl_client_surface.c
+index 512c83b..a429724 100644
+--- a/interface/khronos/egl/egl_client_surface.c
+++ b/interface/khronos/egl/egl_client_surface.c
+@@ -401,11 +401,14 @@ EGL_SURFACE_T *egl_surface_create(
+ #ifdef BUILD_WAYLAND
+    if (type == WINDOW && wl_display) {
+       surface->wl_egl_window = (struct wl_egl_window*)win;
+      surface->front_wl_buffer = NULL;
+       surface->back_wl_buffer = allocate_wl_buffer(
+             surface->wl_egl_window, color);
+       resource = surface->back_wl_buffer->resource;
+    } else {
+       surface->wl_egl_window = NULL;
+      surface->front_wl_buffer = NULL;
+      surface->back_wl_buffer = NULL;
+       resource = DISPMANX_NO_HANDLE;
+    }
+ #endif
+-- 
+2.7.0
+
@@ -25,12 +25,25 @@ SRC_URI = "\
    file://0005-user-vcsm-Fix-build-with-clang.patch \
    file://0006-Fix-enum-type-conversion-warnings.patch \
    file://0007-vcos_platform_types-Dont-use-extern-inline-with-clan.patch \
+    file://0008-Allow-applications-to-set-next-resource-handle.patch \
+    file://0009-wayland-Add-support-for-the-Wayland-winsys.patch \
+    file://0010-wayland-Add-Wayland-example.patch \
+    file://0011-wayland-egl-Add-bcm_host-to-dependencies.patch \
+    file://0012-interface-remove-faulty-assert-to-make-weston-happy-.patch \
+    file://0013-zero-out-wl-buffers-in-egl_surface_free.patch \
+    file://0014-initialize-front-back-wayland-buffers.patch \
 "
 S = "${WORKDIR}/git"

 inherit cmake pkgconfig

-EXTRA_OECMAKE = "-DCMAKE_BUILD_TYPE=Release -DCMAKE_EXE_LINKER_FLAGS='-Wl,--no-as-needed'"
+EXTRA_OECMAKE = "-DCMAKE_BUILD_TYPE=Release -DCMAKE_EXE_LINKER_FLAGS='-Wl,--no-as-needed' \
+                "
+
+PACKAGECONFIG ?= "${@bb.utils.contains('DISTRO_FEATURES', 'wayland', 'wayland', '', d)}"
+
+PACKAGECONFIG[wayland] = "-DBUILD_WAYLAND=TRUE,,wayland,"
+
 CFLAGS_append = " -fPIC"

 do_install_append () {
@@ -45,6 +58,7 @@ do_install_append () {
 # to force the .so files into the runtime package (and keep them
 # out of -dev package).
 FILES_SOLIBSDEV = ""
+INSANE_SKIP_${PN} += "dev-so"

 FILES_${PN} += " \
    ${libdir}/*.so \