egl/wayland: Move wayland-egl into a subdir

This hopefully fixes wayland-egl's dependency
resolution for autogenerated wayland-drm headers.

1 files changed, 226 insertions, 0 deletions

diff --git a/src/egl/wayland/wayland-egl/wayland-egl.c b/src/egl/wayland/wayland-egl/wayland-egl.c
new file mode 100644
index 00000000000..2c84bec64a5
--- /dev/null
+++ b/src/egl/wayland/wayland-egl/wayland-egl.c
@@ -0,0 +1,226 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <dlfcn.h>
+
+#include <wayland-client.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)
+{
+	struct wl_egl_display *egl_display = data;
+	drm_magic_t magic;
+
+	egl_display->device_name = strdup(device);
+
+	egl_display->fd = open(egl_display->device_name, O_RDWR);
+
+	if (egl_display->fd == -1) {
+		fprintf(stderr, "wayland-egl: could not open %s (%s)",
+			egl_display->device_name, strerror(errno));
+		return;
+	}
+	drmGetMagic(egl_display->fd, &magic);
+	wl_drm_authenticate(egl_display->drm, magic);
+}
+
+static void
+drm_handle_authenticated(void *data, struct wl_drm *drm)
+{
+	struct wl_egl_display *egl_display = data;
+
+	egl_display->authenticated = true;
+}
+
+static const struct wl_drm_listener drm_listener = {
+	drm_handle_device,
+	drm_handle_authenticated
+};
+
+static void
+wl_display_handle_global(struct wl_display *display, uint32_t id,
+			 const char *interface, uint32_t version, void *data)
+{
+	struct wl_egl_display *egl_display = data;
+
+	if (strcmp(interface, "drm") == 0) {
+		egl_display->drm = wl_drm_create(display, id);
+		wl_drm_add_listener(egl_display->drm, &drm_listener,
+				    egl_display);
+	}
+}
+
+/* stolen from egl_dri2:dri2_load() */
+static void *
+get_flush_address() {
+	void *handle;
+	void *(*get_proc_address)(const char *procname);
+
+	handle = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL);
+	if (handle) {
+		get_proc_address = (void* (*)(const char *))
+			dlsym(handle, "_glapi_get_proc_address");
+		/* no need to keep a reference */
+		dlclose(handle);
+	}
+
+	/*
+	 * If glapi is not available, loading DRI drivers will fail.  Ideally, we
+	 * should load one of libGL, libGLESv1_CM, or libGLESv2 and go on.  But if
+	 * the app has loaded another one of them with RTLD_LOCAL, there may be
+	 * unexpected behaviors later because there will be two copies of glapi
+	 * (with global variables of the same names!) in the memory.
+	 */
+	if (!get_proc_address) {
+		fprintf(stderr, "failed to find _glapi_get_proc_address");
+		return NULL;
+	}
+
+	return get_proc_address("glFlush");
+}
+
+WL_EGL_EXPORT struct wl_egl_display *
+wl_egl_display_create(struct wl_display *display)
+{
+	struct wl_egl_display *egl_display;
+
+	egl_display = malloc(sizeof *egl_display);
+	if (!egl_display)
+		return NULL;
+
+	egl_display->display = display;
+	egl_display->drm = NULL;
+	egl_display->fd = -1;
+	egl_display->device_name = NULL;
+	egl_display->authenticated = false;
+
+	egl_display->glFlush = (void (*)(void)) get_flush_address();
+
+	wl_display_add_global_listener(display, wl_display_handle_global,
+			               egl_display);
+
+	return egl_display;
+}
+
+WL_EGL_EXPORT void
+wl_egl_display_destroy(struct wl_egl_display *egl_display)
+{
+
+	free(egl_display->device_name);
+	close(egl_display->fd);
+
+	wl_drm_destroy(egl_display->drm);
+
+	free(egl_display);
+}
+
+WL_EGL_EXPORT void
+wl_egl_window_resize(struct wl_egl_window *egl_window,
+		     int width, int height,
+		     int dx, int dy)
+{
+	egl_window->width  = width;
+	egl_window->height = height;
+	egl_window->dx     = dx;
+	egl_window->dy     = dy;
+}
+
+WL_EGL_EXPORT struct wl_egl_window *
+wl_egl_window_create(struct wl_egl_display *egl_display,
+		     struct wl_surface *surface,
+		     int width, int height,
+		     struct wl_visual *visual)
+{
+	struct wl_egl_window *egl_window;
+
+	egl_window = malloc(sizeof *egl_window);
+	if (!egl_window)
+		return NULL;
+
+	egl_window->surface = surface;
+	egl_window->visual  = visual;
+	wl_egl_window_resize(egl_window, width, height, 0, 0);
+	egl_window->attached_width  = 0;
+	egl_window->attached_height = 0;
+	
+	return egl_window;
+}
+
+WL_EGL_EXPORT void
+wl_egl_window_destroy(struct wl_egl_window *egl_window)
+{
+	free(egl_window);
+}
+
+WL_EGL_EXPORT void
+wl_egl_window_get_attached_size(struct wl_egl_window *egl_window,
+				int *width, int *height)
+{
+	if (width)
+		*width = egl_window->attached_width;
+	if (height)
+		*height = egl_window->attached_height;
+}
+
+WL_EGL_EXPORT struct wl_egl_pixmap *
+wl_egl_pixmap_create(struct wl_egl_display *egl_display,
+		     int width, int height,
+		     struct wl_visual *visual, uint32_t flags)
+{
+	struct wl_egl_pixmap *egl_pixmap;
+
+	egl_pixmap = malloc(sizeof *egl_pixmap);
+	if (egl_pixmap == NULL)
+		return NULL;
+
+	egl_pixmap->display = egl_display;
+	egl_pixmap->width   = width;
+	egl_pixmap->height  = height;
+	egl_pixmap->visual  = visual;
+	egl_pixmap->name    = 0;
+	egl_pixmap->stride  = 0;
+
+	egl_pixmap->destroy = NULL;
+
+	return egl_pixmap;
+}
+
+WL_EGL_EXPORT void
+wl_egl_pixmap_destroy(struct wl_egl_pixmap *egl_pixmap)
+{
+	if (egl_pixmap->destroy)
+		egl_pixmap->destroy(egl_pixmap);
+	free(egl_pixmap);
+}
+
+WL_EGL_EXPORT struct wl_buffer *
+wl_egl_pixmap_create_buffer(struct wl_egl_display *egl_display,
+			    struct wl_egl_pixmap *egl_pixmap)
+{
+	if (egl_pixmap->name == 0)
+		return NULL;
+
+	return wl_drm_create_buffer(egl_display->drm, egl_pixmap->name,
+				    egl_pixmap->width, egl_pixmap->height,
+				    egl_pixmap->stride, egl_pixmap->visual);
+}
+
+WL_EGL_EXPORT void
+wl_egl_pixmap_flush(struct wl_egl_display *egl_display,
+		    struct wl_egl_pixmap *egl_pixmap)
+{
+	if (egl_display->glFlush)
+		egl_display->glFlush();
+}