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-rw-r--r--recipes-graphics/userland/files/0012-implement-buffer-wrapping-interface-for-dispmanx.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/recipes-graphics/userland/files/0012-implement-buffer-wrapping-interface-for-dispmanx.patch b/recipes-graphics/userland/files/0012-implement-buffer-wrapping-interface-for-dispmanx.patch
new file mode 100644
index 0000000..28a5fc6
--- /dev/null
+++ b/recipes-graphics/userland/files/0012-implement-buffer-wrapping-interface-for-dispmanx.patch
@@ -0,0 +1,92 @@
+From df8b9633a45069bdd1bf256d974636ef11aa39cb Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 2 Apr 2016 10:54:59 -0700
+Subject: [PATCH 12/16] implement buffer wrapping interface for dispmanx
+
+Courtesy: Zan Dobersek
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ interface/khronos/ext/egl_wayland.c | 42 +++++++++++++++++++++++++++++++++++++
+ interface/wayland/dispmanx.xml | 10 +++++++++
+ 2 files changed, 52 insertions(+)
+
+diff --git a/interface/khronos/ext/egl_wayland.c b/interface/khronos/ext/egl_wayland.c
+index 5730743..9ef89cd 100644
+--- a/interface/khronos/ext/egl_wayland.c
++++ b/interface/khronos/ext/egl_wayland.c
+@@ -133,8 +133,50 @@ dispmanx_create_buffer(struct wl_client *client, struct wl_resource *resource,
+ buffer->handle);
+ }
+
++static void
++dispmanx_wrap_buffer(struct wl_client *client, struct wl_resource *resource,
++ uint32_t id, uint32_t handle, int32_t width, int32_t height,
++ uint32_t stride, uint32_t buffer_height, uint32_t format)
++{
++ struct wl_dispmanx_server_buffer *buffer;
++ VC_IMAGE_TYPE_T vc_format = get_vc_format(format);
++ uint32_t dummy;
++
++ if(vc_format == VC_IMAGE_MIN) {
++ wl_resource_post_error(resource,
++ WL_DISPMANX_ERROR_INVALID_FORMAT,
++ "invalid format");
++ return;
++ }
++
++ buffer = calloc(1, sizeof *buffer);
++ if (buffer == NULL) {
++ wl_resource_post_no_memory(resource);
++ return;
++ }
++
++ buffer->handle = handle;
++ buffer->width = width;
++ buffer->height = height;
++ buffer->format = format;
++
++ buffer->resource = wl_resource_create(resource->client, &wl_buffer_interface,
++ 1, id);
++ if (!buffer->resource) {
++ wl_resource_post_no_memory(resource);
++ vc_dispmanx_resource_delete(buffer->handle);
++ free(buffer);
++ return;
++ }
++
++ wl_resource_set_implementation(buffer->resource,
++ (void (**)(void)) &dispmanx_buffer_interface,
++ buffer, destroy_buffer);
++}
++
+ static const struct wl_dispmanx_interface dispmanx_interface = {
+ dispmanx_create_buffer,
++ dispmanx_wrap_buffer,
+ };
+
+ static void
+diff --git a/interface/wayland/dispmanx.xml b/interface/wayland/dispmanx.xml
+index c18626d..11ed1ef 100644
+--- a/interface/wayland/dispmanx.xml
++++ b/interface/wayland/dispmanx.xml
+@@ -118,6 +118,16 @@
+ <arg name="buffer" type="object" interface="wl_buffer"/>
+ <arg name="handle" type="uint"/>
+ </event>
++
++ <request name="wrap_buffer">
++ <arg name="id" type="new_id" interface="wl_buffer"/>
++ <arg name="handle" type="uint"/>
++ <arg name="width" type="int"/>
++ <arg name="height" type="int"/>
++ <arg name="stride" type="uint"/>
++ <arg name="buffer_height" type="uint"/>
++ <arg name="format" type="uint"/>
++ </request>
+ </interface>
+
+ </protocol>
+--
+2.16.1
+