egl: Add EGL_WL_bind_wayland_display

6 files changed, 224 insertions, 17 deletions

diff --git a/src/egl/drivers/dri2/Makefile b/src/egl/drivers/dri2/Makefile
index 89e9dd7970..eac599e674 100644
--- a/src/egl/drivers/dri2/Makefile
+++ b/src/egl/drivers/dri2/Makefile
@@ -27,8 +27,10 @@ endif
 ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
 EGL_SOURCES += platform_wayland.c
 EGL_INCLUDES += -DHAVE_WAYLAND_PLATFORM $(WAYLAND_CFLAGS) \
-		-I$(TOP)/src/egl/wayland
-EGL_LIBS += $(WAYLAND_LIBS)
+		-I$(TOP)/src/egl/wayland \
+		-I$(TOP)/src/egl/wayland/wayland-drm
+EGL_LIBS += $(WAYLAND_LIBS) \
+	    $(TOP)/src/egl/wayland/wayland-drm/libwayland-drm.a
 endif
 
 include ../Makefile.template
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 99f87f076c..015b801c75 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -915,6 +915,51 @@ dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
    return &dri2_img->base;
 }
 
+static EGLBoolean
+dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
+			  EGLint *name, EGLint *handle, EGLint *stride);
+
+static _EGLImage *
+dri2_reference_drm_image(_EGLDisplay *disp, _EGLContext *ctx,
+			 _EGLImage *image, EGLint width, EGLint height)
+{
+   EGLint attr_list[] = {
+		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
+   };
+   EGLint name, stride;
+   
+   dri2_export_drm_image_mesa(disp->Driver, disp, image,
+			      &name, NULL, &stride);
+
+   attr_list[1] = width;
+   attr_list[3] = height;
+   attr_list[5] = stride / 4;
+
+   return dri2_create_image_mesa_drm_buffer(disp, ctx,
+					    (EGLClientBuffer)(intptr_t) name,
+					    attr_list);
+}
+
+#ifdef HAVE_WAYLAND_PLATFORM
+static _EGLImage *
+dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
+				    EGLClientBuffer buffer,
+				    const EGLint *attr_list)
+{
+	struct wl_drm_buffer *wl_drm_buffer = (struct wl_drm_buffer *) buffer;
+
+        (void) attr_list;
+
+	return dri2_reference_drm_image(disp, ctx, wl_drm_buffer->image,
+					wl_drm_buffer->buffer.width,
+					wl_drm_buffer->buffer.height);
+}
+#endif
+
 _EGLImage *
 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 		      _EGLContext *ctx, EGLenum target,
@@ -927,6 +972,10 @@ dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
       return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
    case EGL_DRM_BUFFER_MESA:
       return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
+#ifdef HAVE_WAYLAND_PLATFORM
+   case EGL_WAYLAND_BUFFER_WL:
+      return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
+#endif
    default:
       _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
       return EGL_NO_IMAGE_KHR;
@@ -1055,6 +1104,47 @@ dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
    return EGL_TRUE;
 }
 
+#ifdef HAVE_WAYLAND_PLATFORM
+static EGLBoolean
+dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
+			     struct wl_display *wl_dpy)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+
+   (void) drv;
+
+   if (dri2_dpy->wl_server_drm)
+	   return EGL_FALSE;
+
+   dri2_dpy->wl_server_drm =
+	   wayland_drm_init(wl_dpy, disp,
+			    dri2_dpy->authenticate,
+			    dri2_dpy->device_name);
+
+   if (!dri2_dpy->wl_server_drm)
+	   return EGL_FALSE;
+
+   return EGL_TRUE;
+}
+
+static EGLBoolean
+dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
+			       struct wl_display *wl_dpy)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+
+   (void) drv;
+
+   if (!dri2_dpy->wl_server_drm)
+	   return EGL_FALSE;
+
+   wayland_drm_destroy(dri2_dpy->wl_server_drm);
+   dri2_dpy->wl_server_drm = NULL;
+
+   return EGL_TRUE;
+}
+#endif
+
 static void
 dri2_unload(_EGLDriver *drv)
 {
@@ -1140,6 +1230,10 @@ _EGL_MAIN(const char *args)
    dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
    dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
    dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
+#ifdef HAVE_WAYLAND_PLATFORM
+   dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
+   dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
+#endif
 
    dri2_drv->base.Name = "DRI2";
    dri2_drv->base.Unload = dri2_unload;
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index 235e30df3d..5afd3d3c9c 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -35,6 +35,7 @@
 
 #ifdef HAVE_WAYLAND_PLATFORM
 #include <wayland-client.h>
+#include "wayland-drm.h"
 #include "wayland-egl-priv.h"
 #endif
 
@@ -85,7 +86,10 @@ struct dri2_egl_display
    const __DRIextension     *extensions[3];
 #ifdef HAVE_WAYLAND_PLATFORM
    struct wl_egl_display    *wl_dpy;
+   struct wl_drm            *wl_server_drm;
 #endif
+
+   int (*authenticate) (struct dri2_egl_display *dri_dpy, uint32_t id);
 };
 
 struct dri2_egl_context
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index 3dab899dec..bd4fa80af5 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -568,6 +568,39 @@ const struct dri2_driver_map driver_map[] = {
    { 0x10de, "nouveau", NULL, -1 },
 };
 
+static char *
+dri2_get_device_name(int fd)
+{
+   struct udev *udev;
+   struct udev_device *device;
+   struct stat buf;
+   char *device_name;
+
+   udev = udev_new();
+   if (fstat(fd, &buf) < 0) {
+      _eglLog(_EGL_WARNING, "EGL-DRI2: failed to stat fd %d", fd);
+      goto out;
+   }
+
+   device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
+   if (device == NULL) {
+      _eglLog(_EGL_WARNING,
+	      "EGL-DRI2: could not create udev device for fd %d", fd);
+      goto out;
+   }
+
+   device_name = udev_device_get_devnode(device);
+   if (!device_name)
+	   goto out;
+   device_name = strdup(device_name);
+
+ out:
+   udev_device_unref(device);
+   udev_unref(udev);
+
+   return device_name;
+}
+
 char *
 dri2_get_driver_for_fd(int fd)
 {
@@ -629,6 +662,14 @@ dri2_get_driver_for_fd(int fd)
    return driver;
 }
 
+static int
+dri2_drm_authenticate(_EGLDisplay *disp, uint32_t id)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+
+   return drmAuthMagic(dri2_dpy->fd, id);
+}
+
 EGLBoolean
 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 {
@@ -648,8 +689,14 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    if (dri2_dpy->driver_name == NULL)
       return _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
 
-   if (!dri2_load_driver(disp))
+   dri2_dpy->device_name = dri2_get_device_name(dri2_dpy->fd);
+   if (dri2_dpy->device_name == NULL) {
+      _eglError(EGL_BAD_ALLOC, "DRI2: failed to get device name");
       goto cleanup_driver_name;
+   }
+
+   if (!dri2_load_driver(disp))
+      goto cleanup_device_name;
 
    dri2_dpy->extensions[0] = &image_lookup_extension.base;
    dri2_dpy->extensions[1] = &use_invalidate.base;
@@ -666,6 +713,11 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
    disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
 
+#ifdef HAVE_WAYLAND_PLATFORM
+   disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
+#endif
+   dri2_dpy->authenticate = dri2_drm_authenticate;
+   
    /* we're supporting EGL 1.4 */
    disp->VersionMajor = 1;
    disp->VersionMinor = 4;
@@ -674,6 +726,8 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 
  cleanup_driver:
    dlclose(dri2_dpy->driver);
+ cleanup_device_name:
+   free(dri2_dpy->device_name);
  cleanup_driver_name:
    free(dri2_dpy->driver_name);
 
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 21b440624f..6ae3f6554b 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -35,6 +35,9 @@
 
 #include "egl_dri2.h"
 
+#include <wayland-client.h>
+#include "wayland-drm-client-protocol.h"
+
 static void
 sync_callback(void *data)
 {
@@ -561,6 +564,26 @@ dri2_wayland_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
    }
 }
 
+static int
+dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+   int ret = 0;
+
+   dri2_dpy->wl_dpy->authenticated = false;
+
+   wl_drm_authenticate(dri2_dpy->wl_dpy->drm, id);
+   force_roundtrip(dri2_dpy->wl_dpy->display);
+
+   if (!dri2_dpy->wl_dpy->authenticated)
+      ret = -1;
+
+   /* reset authenticated */
+   dri2_dpy->wl_dpy->authenticated = true;
+
+   return ret;
+}
+
 /**
  * Called via eglTerminate(), drv->API.Terminate().
  */
@@ -626,8 +649,14 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
       goto cleanup_fd;
    }
 
-   if (!dri2_load_driver(disp))
+   dri2_dpy->device_name = strdup(dri2_dpy->wl_dpy->device_name);
+   if (dri2_dpy->device_name == NULL) {
+      _eglError(EGL_BAD_ALLOC, "DRI2: failed to get device name");
       goto cleanup_driver_name;
+   }
+
+   if (!dri2_load_driver(disp))
+      goto cleanup_device_name;
 
    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
    dri2_dpy->dri2_loader_extension.base.version = 3;
@@ -654,6 +683,9 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
    disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
    disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
 
+   disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
+   dri2_dpy->authenticate = dri2_wayland_authenticate;
+
    /* we're supporting EGL 1.4 */
    disp->VersionMajor = 1;
    disp->VersionMinor = 4;
@@ -662,6 +694,8 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
 
  cleanup_driver:
    dlclose(dri2_dpy->driver);
+ cleanup_device_name:
+   free(dri2_dpy->device_name);
  cleanup_driver_name:
    free(dri2_dpy->driver_name);
  cleanup_fd:
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index 50310eec5a..c7bdfa6287 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -543,32 +543,46 @@ dri2_connect(struct dri2_egl_display *dri2_dpy)
    return EGL_TRUE;
 }
 
-static EGLBoolean
-dri2_authenticate(struct dri2_egl_display *dri2_dpy)
+static int
+dri2_x11_authenticate(_EGLDisplay *disp, uint32_t id)
 {
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    xcb_dri2_authenticate_reply_t *authenticate;
    xcb_dri2_authenticate_cookie_t authenticate_cookie;
    xcb_screen_iterator_t s;
+   int ret = 0;
+
+   s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
+   authenticate_cookie =
+      xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, id);
+   authenticate =
+      xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
+
+   if (authenticate == NULL || !authenticate->authenticated)
+      ret = -1;
+
+   if (authenticate)
+      free(authenticate);
+   
+   return ret;
+}
+
+static EGLBoolean
+dri2_authenticate(_EGLDisplay *disp)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    drm_magic_t magic;
 
    if (drmGetMagic(dri2_dpy->fd, &magic)) {
       _eglLog(_EGL_WARNING, "DRI2: failed to get drm magic");
       return EGL_FALSE;
    }
-
-   s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
-   authenticate_cookie =
-      xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, magic);
-   authenticate =
-      xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
-   if (authenticate == NULL || !authenticate->authenticated) {
+   
+   if (dri2_x11_authenticate(disp, magic) < 0) {
       _eglLog(_EGL_WARNING, "DRI2: failed to authenticate");
-      free(authenticate);
       return EGL_FALSE;
    }
 
-   free(authenticate);
-
    return EGL_TRUE;
 }
 
@@ -977,7 +991,7 @@ dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp)
    }
 
    if (dri2_dpy->conn) {
-      if (!dri2_authenticate(dri2_dpy))
+      if (!dri2_authenticate(disp))
 	 goto cleanup_fd;
    }
 
@@ -1016,6 +1030,11 @@ dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp)
    disp->Extensions.NOK_swap_region = EGL_TRUE;
    disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE;
 
+#ifdef HAVE_WAYLAND_PLATFORM
+   disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
+#endif
+   dri2_dpy->authenticate = dri2_x11_authenticate;
+
    /* we're supporting EGL 1.4 */
    disp->VersionMajor = 1;
    disp->VersionMinor = 4;