egl: Add EGL_WL_bind_wayland_display

7 files changed, 332 insertions, 5 deletions

diff --git a/src/egl/wayland/Makefile b/src/egl/wayland/Makefile
index 4cd036519db..3499aef0486 100644
--- a/src/egl/wayland/Makefile
+++ b/src/egl/wayland/Makefile
@@ -1,4 +1,4 @@
-# src/egl/main/Makefile
+# src/egl/wayland/Makefile
 
 TOP = ../../..
 include $(TOP)/configs/current
@@ -10,14 +10,20 @@ SOURCES = wayland-egl.c
 
 OBJECTS = $(SOURCES:.c=.o)
 
-LOCAL_CFLAGS = -I$(TOP)/include/EGL $(LIBDRM_CFLAGS) $(WAYLAND_CFLAGS)
+LOCAL_CFLAGS = -I$(TOP)/include/EGL \
+	       -I$(TOP)/src/egl/wayland/wayland-drm \
+	       $(LIBDRM_CFLAGS) \
+	       $(WAYLAND_CFLAGS)
+
 LOCAL_LIBS =
 
+SUBDIRS = wayland-drm
+
 .c.o:
 	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $(LOCAL_CFLAGS) $< -o $@
 
 
-default: depend library
+default: depend subdirs library
 
 # wayland-egl Library
 library: $(TOP)/$(LIB_DIR)/$(WAYLAND_EGL_LIB_NAME)
@@ -54,6 +60,12 @@ clean:
 	-rm -f *.o
 	-rm -f depend depend.bak
 
+subdirs:
+	@for dir in $(SUBDIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
 
 depend: $(SOURCES) $(HEADERS)
 	@ echo "running $(MKDEP)"
diff --git a/src/egl/wayland/wayland-drm/.gitignore b/src/egl/wayland/wayland-drm/.gitignore
new file mode 100644
index 00000000000..f4ed848476f
--- /dev/null
+++ b/src/egl/wayland/wayland-drm/.gitignore
@@ -0,0 +1,3 @@
+wayland-drm-client-protocol.h
+wayland-drm-server-protocol.h
+wayland-drm-protocol.c
diff --git a/src/egl/wayland/wayland-drm/Makefile b/src/egl/wayland/wayland-drm/Makefile
new file mode 100644
index 00000000000..c232769697a
--- /dev/null
+++ b/src/egl/wayland/wayland-drm/Makefile
@@ -0,0 +1,45 @@
+# src/egl/wayland/wayland-drm/Makefile
+
+TOP = ../../../..
+include $(TOP)/configs/current
+
+GEN_SOURCES = wayland-drm-protocol.c
+
+GEN_HEADERS = wayland-drm-client-protocol.h wayland-drm-server-protocol.h
+
+wayland_drm_SOURCES = wayland-drm.c $(GEN_SOURCES)
+wayland_drm_OBJECTS = $(wayland_drm_SOURCES:.c=.o)
+
+wayland_drm_INCLUDES = \
+		$(WAYLAND_CFLAGS) \
+		-I$(TOP)/src/egl/main
+
+# Generate protocol sources
+prefix=$(shell pkg-config --variable=prefix wayland-server)
+exec_prefx=$(shell pkg-config --variable=exec_prefix wayland-server)
+wayland_protocoldir = $(PWD)/protocol
+wayland_scanner=$(exec_prefix)/bin/wayland-scanner
+
+default: depend libwayland-drm.a $(GEN_SOURCES) $(GEN_HEADERS)
+
+libwayland-drm.a: $(wayland_drm_OBJECTS) Makefile
+	$(MKLIB) -o wayland-drm -static $(wayland_drm_OBJECTS)
+ 
+depend: 
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(wayland_drm_INCLUDES) $(wayland_drm_SOURCES) 2> /dev/null
+
+clean:
+	rm -rf libwayland-drm.a $(wayland_drm_OBJECTS) \
+		$(GEN_SOURCES) $(GEN_HEADERS)
+
+install:
+	@echo -n ""
+
+$(wayland_drm_OBJECTS): %.o: %.c $(GEN_HEADERS)
+	$(CC) -c $(wayland_drm_INCLUDES) $(CFLAGS) $< -o $@
+
+include $(prefix)/share/aclocal/wayland-scanner.mk
+
+sinclude depend
diff --git a/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml b/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml
new file mode 100644
index 00000000000..46725d85179
--- /dev/null
+++ b/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="drm">
+  <!-- drm support. This object is created by the server and published
+       using the display's global event. -->
+  <interface name="drm" version="1">
+    <!-- Call this request with the magic received from drmGetMagic().
+         It will be passed on to the drmAuthMagic() or
+         DRIAuthConnection() call.  This authentication must be
+         completed before create_buffer could be used. -->
+    <request name="authenticate">
+      <arg name="id" type="uint"/>
+    </request>
+
+    <!-- Create a wayland buffer for the named DRM buffer.  The DRM
+         surface must have a name using the flink ioctl -->
+    <request name="create_buffer">
+      <arg name="id" type="new_id" interface="buffer"/>
+      <arg name="name" type="uint"/>
+      <arg name="width" type="int"/>
+      <arg name="height" type="int"/>
+      <arg name="stride" type="uint"/>
+      <arg name="visual" type="object" interface="visual"/>
+    </request>
+
+    <!-- Notification of the path of the drm device which is used by
+         the server.  The client should use this device for creating
+         local buffers.  Only buffers created from this device should
+         be be passed to the server using this drm object's
+         create_buffer request. -->
+    <event name="device">
+      <arg name="name" type="string"/>
+    </event>
+
+    <!-- Raised if the authenticate request succeeded -->
+    <event name="authenticated"/>
+  </interface>
+
+</protocol>
diff --git a/src/egl/wayland/wayland-drm/wayland-drm.c b/src/egl/wayland/wayland-drm/wayland-drm.c
new file mode 100644
index 00000000000..6624fbe9d4e
--- /dev/null
+++ b/src/egl/wayland/wayland-drm/wayland-drm.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright © 2011 Kristian Høgsberg
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ *
+ * Authors:
+ *    Kristian Høgsberg <[email protected]>
+ *    Benjamin Franzke <[email protected]>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+
+#include <wayland-server.h>
+#include "wayland-drm.h"
+#include "wayland-drm-server-protocol.h"
+
+#include "egldisplay.h"
+#include "egldriver.h"
+#include "eglimage.h"
+#include "egltypedefs.h"
+
+struct wl_drm {
+	struct wl_object object;
+	struct wl_display *display;
+
+	_EGLDisplay *edisp;
+
+	char *device_name;
+	authenticate_t authenticate;
+};
+
+static void
+drm_buffer_damage(struct wl_buffer *buffer_base,
+		  struct wl_surface *surface,
+		  int32_t x, int32_t y, int32_t width, int32_t height)
+{
+}
+
+static void
+destroy_buffer(struct wl_resource *resource, struct wl_client *client)
+{
+	struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) resource;
+	_EGLDriver *drv = buffer->drm->edisp->Driver;
+
+	drv->API.DestroyImageKHR(drv, buffer->drm->edisp, buffer->image);
+	free(buffer);
+}
+
+static void
+buffer_destroy(struct wl_client *client, struct wl_buffer *buffer)
+{
+	wl_resource_destroy(&buffer->resource, client);
+}
+
+const static struct wl_buffer_interface buffer_interface = {
+	buffer_destroy
+};
+
+static void
+drm_create_buffer(struct wl_client *client, struct wl_drm *drm,
+		  uint32_t id, uint32_t name, int32_t width, int32_t height,
+		  uint32_t stride, struct wl_visual *visual)
+{
+	struct wl_drm_buffer *buffer;
+	EGLint attribs[] = {
+		EGL_WIDTH,		0,
+		EGL_HEIGHT,		0,
+		EGL_DRM_BUFFER_STRIDE_MESA,	0,
+		EGL_DRM_BUFFER_FORMAT_MESA,	EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
+		EGL_NONE
+	};
+	_EGLDriver *drv = drm->edisp->Driver;
+
+	buffer = malloc(sizeof *buffer);
+	if (buffer == NULL) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	buffer->drm = drm;
+	buffer->buffer.compositor = NULL;
+	buffer->buffer.width = width;
+	buffer->buffer.height = height;
+	buffer->buffer.visual = visual;
+	buffer->buffer.attach = NULL;
+	buffer->buffer.damage = drm_buffer_damage;
+
+	if (visual->object.interface != &wl_visual_interface) {
+		/* FIXME: Define a real exception event instead of
+		 * abusing this one */
+		wl_client_post_event(client,
+				     (struct wl_object *) drm->display,
+				     WL_DISPLAY_INVALID_OBJECT, 0);
+		fprintf(stderr, "invalid visual in create_buffer\n");
+		return;
+	}
+
+	attribs[1] = width;
+	attribs[3] = height;
+	attribs[5] = stride / 4;
+	buffer->image = drv->API.CreateImageKHR(drv, drm->edisp,
+						EGL_NO_CONTEXT,
+						EGL_DRM_BUFFER_MESA,
+						(EGLClientBuffer) (intptr_t) name,
+						attribs);
+
+	if (buffer->image == NULL) {
+		/* FIXME: Define a real exception event instead of
+		 * abusing this one */
+		wl_client_post_event(client,
+				     (struct wl_object *) drm->display,
+				     WL_DISPLAY_INVALID_OBJECT, 0);
+		fprintf(stderr, "failed to create image for name %d\n", name);
+		return;
+	}
+
+	buffer->buffer.resource.object.id = id;
+	buffer->buffer.resource.object.interface = &wl_buffer_interface;
+	buffer->buffer.resource.object.implementation = (void (**)(void))
+		&buffer_interface;
+
+	buffer->buffer.resource.destroy = destroy_buffer;
+
+	wl_client_add_resource(client, &buffer->buffer.resource);
+}
+
+static void
+drm_authenticate(struct wl_client *client,
+		 struct wl_drm *drm, uint32_t id)
+{
+	if (drm->authenticate(drm->edisp, id) < 0)
+		wl_client_post_event(client,
+				     (struct wl_object *) drm->display,
+				     WL_DISPLAY_INVALID_OBJECT, 0);
+	else
+		wl_client_post_event(client, &drm->object,
+				     WL_DRM_AUTHENTICATED);
+}
+
+const static struct wl_drm_interface drm_interface = {
+	drm_authenticate,
+	drm_create_buffer
+};
+
+static void
+post_drm_device(struct wl_client *client, struct wl_object *global)
+{
+	struct wl_drm *drm = (struct wl_drm *) global;
+
+	wl_client_post_event(client, global, WL_DRM_DEVICE, drm->device_name);
+}
+
+struct wl_drm *
+wayland_drm_init(struct wl_display *display, _EGLDisplay *disp,
+		 authenticate_t authenticate, char *device_name)
+{
+	struct wl_drm *drm;
+
+	drm = malloc(sizeof *drm);
+
+	drm->display = display;
+	drm->edisp = disp;
+	drm->authenticate = authenticate;
+	drm->device_name = strdup(device_name);
+
+	drm->object.interface = &wl_drm_interface;
+	drm->object.implementation = (void (**)(void)) &drm_interface;
+	wl_display_add_object(display, &drm->object);
+	wl_display_add_global(display, &drm->object, post_drm_device);
+
+	return drm;
+}
+
+void
+wayland_drm_destroy(struct wl_drm *drm)
+{
+	free(drm->device_name);
+
+	/* FIXME: need wl_display_del_{object,global} */
+
+	free(drm);
+}
diff --git a/src/egl/wayland/wayland-drm/wayland-drm.h b/src/egl/wayland/wayland-drm/wayland-drm.h
new file mode 100644
index 00000000000..675a6a5ce43
--- /dev/null
+++ b/src/egl/wayland/wayland-drm/wayland-drm.h
@@ -0,0 +1,26 @@
+#ifndef WAYLAND_DRM_H
+#define WAYLAND_DRM_H
+
+#include "egldisplay.h"
+#include "eglimage.h"
+
+#include <wayland-server.h>
+
+struct wl_drm;
+
+typedef int (*authenticate_t) (_EGLDisplay *disp, uint32_t id);
+
+struct wl_drm_buffer {
+	struct wl_buffer buffer;
+	struct wl_drm *drm;
+	_EGLImage *image;
+};
+
+struct wl_drm *
+wayland_drm_init(struct wl_display *display, _EGLDisplay *disp,
+		 authenticate_t authenticate, char *device_name);
+
+void
+wayland_drm_destroy(struct wl_drm *drm);
+
+#endif
diff --git a/src/egl/wayland/wayland-egl.c b/src/egl/wayland/wayland-egl.c
index 12fbdfa29c1..2c84bec64a5 100644
--- a/src/egl/wayland/wayland-egl.c
+++ b/src/egl/wayland/wayland-egl.c
@@ -12,10 +12,10 @@
 #include <dlfcn.h>
 
 #include <wayland-client.h>
-#include <xf86drm.h>
-
 #include "wayland-egl.h"
 #include "wayland-egl-priv.h"
+#include "wayland-drm-client-protocol.h"
+#include <xf86drm.h>
 
 static void
 drm_handle_device(void *data, struct wl_drm *drm, const char *device)