--- /dev/null
+/*
+ * Copyright © 2010 Benjamin Franzke
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stddef.h>
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include "wayland-client.h"
+
+#define GL_GLEXT_PROTOTYPES
+#define EGL_EGLEXT_PROTOTYPES
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "compositor.h"
+
+struct wayland_compositor {
+ struct wlsc_compositor base;
+
+ struct {
+ struct wl_display *display;
+ struct wl_compositor *compositor;
+ struct wl_shell *shell;
+ struct wl_drm *drm;
+ struct wl_output *output;
+
+ struct {
+ int32_t x, y, width, height;
+ } screen_allocation;
+
+ char *device_name;
+ int authenticated;
+
+ struct wl_event_source *wl_source;
+ uint32_t event_mask;
+ } parent;
+
+ struct wl_list window_list;
+ struct wl_list input_list;
+};
+
+struct wayland_output {
+ struct wlsc_output base;
+
+ struct {
+ struct wl_surface *surface;
+ struct wl_buffer *buffer[2];
+ } parent;
+ EGLImageKHR image[2];
+ GLuint rbo[2];
+ uint32_t fb_id[2];
+ uint32_t current;
+};
+
+struct wayland_input {
+ struct wayland_compositor *compositor;
+ struct wl_input_device *input_device;
+ struct wl_list link;
+};
+
+static int
+wayland_input_create(struct wayland_compositor *c)
+{
+ struct wlsc_input_device *input;
+
+ input = malloc(sizeof *input);
+ if (input == NULL)
+ return -1;
+
+ memset(input, 0, sizeof *input);
+ wlsc_input_device_init(input, &c->base);
+
+ c->base.input_device = input;
+
+ return 0;
+}
+
+static int
+wayland_compositor_init_egl(struct wayland_compositor *c)
+{
+ EGLint major, minor;
+ const char *extensions;
+ drm_magic_t magic;
+ int fd;
+ static const EGLint context_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+ EGL_NONE
+ };
+
+ fd = open(c->parent.device_name, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "drm open failed: %m\n");
+ return -1;
+ }
+
+ wlsc_drm_init(&c->base, fd, c->parent.device_name);
+
+ if (drmGetMagic(fd, &magic)) {
+ fprintf(stderr, "DRI2: failed to get drm magic");
+ return -1;
+ }
+
+ wl_drm_authenticate(c->parent.drm, magic);
+ wl_display_iterate(c->parent.display, WL_DISPLAY_WRITABLE);
+ while (!c->parent.authenticated)
+ wl_display_iterate(c->parent.display, WL_DISPLAY_READABLE);
+
+ c->base.display = eglGetDRMDisplayMESA(fd);
+ if (c->base.display == NULL) {
+ fprintf(stderr, "failed to create display\n");
+ return -1;
+ }
+
+ if (!eglInitialize(c->base.display, &major, &minor)) {
+ fprintf(stderr, "failed to initialize display\n");
+ return -1;
+ }
+
+ extensions = eglQueryString(c->base.display, EGL_EXTENSIONS);
+ if (!strstr(extensions, "EGL_KHR_surfaceless_opengl")) {
+ fprintf(stderr, "EGL_KHR_surfaceless_opengl not available\n");
+ return -1;
+ }
+
+ if (!eglBindAPI(EGL_OPENGL_ES_API)) {
+ fprintf(stderr, "failed to bind EGL_OPENGL_ES_API\n");
+ return -1;
+ }
+
+ c->base.context = eglCreateContext(c->base.display, NULL,
+ EGL_NO_CONTEXT, context_attribs);
+ if (c->base.context == NULL) {
+ fprintf(stderr, "failed to create context\n");
+ return -1;
+ }
+
+ if (!eglMakeCurrent(c->base.display, EGL_NO_SURFACE,
+ EGL_NO_SURFACE, c->base.context)) {
+ fprintf(stderr, "failed to make context current\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+wayland_compositor_present(struct wlsc_compositor *base)
+{
+ struct wayland_compositor *c = (struct wayland_compositor *) base;
+ struct wayland_output *output;
+ struct timeval tv;
+ uint32_t msec;
+
+ glFinish();
+ wl_list_for_each(output, &base->output_list, base.link) {
+ output->current ^= 1;
+
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER,
+ output->rbo[output->current]);
+
+ wl_surface_attach(output->parent.surface,
+ output->parent.buffer[output->current ^ 1]);
+ wl_surface_damage(output->parent.surface, 0, 0,
+ output->base.width, output->base.height);
+ }
+
+
+ gettimeofday(&tv, NULL);
+ msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+ wlsc_compositor_finish_frame(&c->base, msec);
+}
+
+static int
+wayland_authenticate(struct wlsc_compositor *ec, uint32_t id)
+{
+ struct wayland_compositor *c = (struct wayland_compositor *) ec;
+
+ wl_drm_authenticate(c->parent.drm, id);
+ /* FIXME: recv drm_authenticated event from parent? */
+ wl_display_iterate(c->parent.display, WL_DISPLAY_WRITABLE);
+
+ return 0;
+}
+
+static int
+wayland_compositor_create_output(struct wayland_compositor *c,
+ int width, int height)
+{
+ struct wayland_output *output;
+ struct wl_visual *visual;
+ int i;
+ EGLint name, stride, attribs[] = {
+ EGL_WIDTH, 0,
+ EGL_HEIGHT, 0,
+ EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
+ EGL_DRM_BUFFER_USE_MESA, EGL_DRM_BUFFER_USE_SCANOUT_MESA,
+ EGL_NONE
+ };
+
+ output = malloc(sizeof *output);
+ if (output == NULL)
+ return -1;
+ memset(output, 0, sizeof *output);
+
+ wlsc_output_init(&output->base, &c->base, 0, 0, width, height);
+ output->parent.surface =
+ wl_compositor_create_surface(c->parent.compositor);
+ wl_surface_set_user_data(output->parent.surface, output);
+
+ glGenRenderbuffers(2, output->rbo);
+ visual = wl_display_get_premultiplied_argb_visual(c->parent.display);
+ for (i = 0; i < 2; i++) {
+ glBindRenderbuffer(GL_RENDERBUFFER, output->rbo[i]);
+
+ attribs[1] = width;
+ attribs[3] = height;
+ output->image[i] =
+ eglCreateDRMImageMESA(c->base.display, attribs);
+ glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER,
+ output->image[i]);
+ eglExportDRMImageMESA(c->base.display, output->image[i],
+ &name, NULL, &stride);
+ output->parent.buffer[i] =
+ wl_drm_create_buffer(c->parent.drm, name,
+ width, height,
+ stride, visual);
+ }
+
+ output->current = 0;
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER,
+ output->rbo[output->current]);
+
+ wl_surface_attach(output->parent.surface,
+ output->parent.buffer[output->current]);
+ wl_surface_map(output->parent.surface,
+ output->base.x, output->base.y,
+ output->base.width, output->base.height);
+
+ glClearColor(0, 0, 0, 0.5);
+
+ wl_list_insert(c->base.output_list.prev, &output->base.link);
+
+ return 0;
+}
+
+static struct wl_buffer *
+create_invisible_pointer(struct wayland_compositor *c)
+{
+ struct wlsc_drm_buffer *wlsc_buffer;
+ struct wl_buffer *buffer;
+ int name, stride;
+ struct wl_visual *visual;
+ GLuint texture;
+ const int width = 1, height = 1;
+ const GLubyte data[] = { 0, 0, 0, 0 };
+
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ visual = wl_display_get_premultiplied_argb_visual(c->parent.display);
+ wlsc_buffer = wlsc_drm_buffer_create(&c->base, width, height, visual);
+
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, wlsc_buffer->image);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+ GL_RGBA, GL_UNSIGNED_BYTE, data);
+
+ eglExportDRMImageMESA(c->base.display, wlsc_buffer->image,
+ &name, NULL, &stride);
+
+ buffer = wl_drm_create_buffer(c->parent.drm, name,
+ width, height,
+ stride, visual);
+ return buffer;
+}
+
+/* Events received from the wayland-server this compositor is client of: */
+
+/* parent output interface */
+static void
+display_handle_geometry(void *data,
+ struct wl_output *output,
+ int32_t width, int32_t height)
+{
+ struct wayland_compositor *c = data;
+
+ c->parent.screen_allocation.x = 0;
+ c->parent.screen_allocation.y = 0;
+ c->parent.screen_allocation.width = width;
+ c->parent.screen_allocation.height = height;
+}
+
+static const struct wl_output_listener output_listener = {
+ display_handle_geometry,
+};
+
+/* parent shell interface */
+static void
+handle_configure(void *data, struct wl_shell *shell,
+ uint32_t time, uint32_t edges,
+ struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t width, int32_t height)
+{
+#if 0
+ struct output *output = wl_surface_get_user_data(surface);
+
+ /* FIXME: add resize? */
+#endif
+}
+
+static const struct wl_shell_listener shell_listener = {
+ handle_configure,
+};
+
+/* parent drm interface */
+static void
+drm_handle_device(void *data, struct wl_drm *drm, const char *device)
+{
+ struct wayland_compositor *c = data;
+
+ c->parent.device_name = strdup(device);
+}
+
+static void drm_handle_authenticated(void *data, struct wl_drm *drm)
+{
+ struct wayland_compositor *c = data;
+
+ c->parent.authenticated = 1;
+}
+
+static const struct wl_drm_listener drm_listener = {
+ drm_handle_device,
+ drm_handle_authenticated
+};
+
+/* parent input interface */
+static void
+input_handle_motion(void *data, struct wl_input_device *input_device,
+ uint32_t time,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+ struct wayland_input *input = data;
+ struct wayland_compositor *c = input->compositor;
+
+ notify_motion(c->base.input_device, time, sx, sy);
+}
+
+static void
+input_handle_button(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, uint32_t button, uint32_t state)
+{
+ struct wayland_input *input = data;
+ struct wayland_compositor *c = input->compositor;
+
+ notify_button(c->base.input_device, time, button, state);
+}
+
+static void
+input_handle_key(void *data, struct wl_input_device *input_device,
+ uint32_t time, uint32_t key, uint32_t state)
+{
+ struct wayland_input *input = data;
+ struct wayland_compositor *c = input->compositor;
+
+ notify_key(c->base.input_device, time, key, state);
+}
+
+static void
+input_handle_pointer_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+ struct wayland_input *input = data;
+ struct wayland_compositor *c = input->compositor;
+ static struct wl_buffer *pntr_buffer = NULL;
+
+ if (surface) {
+ c->base.focus = 1;
+ /* FIXME: extend protocol to allow hiding the cursor? */
+ if (pntr_buffer == NULL)
+ pntr_buffer = create_invisible_pointer(c);
+ wl_input_device_attach(input_device, time, pntr_buffer, x, y);
+ } else {
+ /* FIXME. hide our own pointer */
+ c->base.focus = 0;
+ }
+}
+
+static void
+input_handle_keyboard_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time,
+ struct wl_surface *surface,
+ struct wl_array *keys)
+{
+ /* FIXME: sth to be done here? */
+}
+
+static const struct wl_input_device_listener input_device_listener = {
+ input_handle_motion,
+ input_handle_button,
+ input_handle_key,
+ input_handle_pointer_focus,
+ input_handle_keyboard_focus,
+};
+
+static void
+display_add_input(struct wayland_compositor *c, uint32_t id)
+{
+ struct wayland_input *input;
+
+ input = malloc(sizeof *input);
+ if (input == NULL)
+ return;
+
+ memset(input, 0, sizeof *input);
+
+ input->compositor = c;
+ input->input_device = wl_input_device_create(c->parent.display, id);
+ wl_list_insert(c->input_list.prev, &input->link);
+
+ wl_input_device_add_listener(input->input_device,
+ &input_device_listener, input);
+ wl_input_device_set_user_data(input->input_device, input);
+}
+
+static void
+display_handle_global(struct wl_display *display, uint32_t id,
+ const char *interface, uint32_t version, void *data)
+{
+ struct wayland_compositor *c = data;
+
+ if (strcmp(interface, "compositor") == 0) {
+ c->parent.compositor = wl_compositor_create(display, id);
+ } else if (strcmp(interface, "output") == 0) {
+ c->parent.output = wl_output_create(display, id);
+ wl_output_add_listener(c->parent.output, &output_listener, c);
+ } else if (strcmp(interface, "input_device") == 0) {
+ display_add_input(c, id);
+ } else if (strcmp(interface, "shell") == 0) {
+ c->parent.shell = wl_shell_create(display, id);
+ wl_shell_add_listener(c->parent.shell, &shell_listener, c);
+ } else if (strcmp(interface, "drm") == 0) {
+ c->parent.drm = wl_drm_create(display, id);
+ wl_drm_add_listener(c->parent.drm, &drm_listener, c);
+ }
+}
+
+static int
+update_event_mask(uint32_t mask, void *data)
+{
+ struct wayland_compositor *c = data;
+
+ c->parent.event_mask = mask;
+ if (c->parent.wl_source)
+ wl_event_source_fd_update(c->parent.wl_source, mask);
+
+ return 0;
+}
+
+static void
+wayland_compositor_handle_event(int fd, uint32_t mask, void *data)
+{
+ struct wayland_compositor *c = data;
+
+ if (mask & WL_EVENT_READABLE)
+ wl_display_iterate(c->parent.display, WL_DISPLAY_READABLE);
+ if (mask & WL_EVENT_WRITEABLE)
+ wl_display_iterate(c->parent.display, WL_DISPLAY_WRITABLE);
+}
+
+struct wlsc_compositor *
+wayland_compositor_create(struct wl_display *display, int width, int height)
+{
+ struct wayland_compositor *c;
+ struct wl_event_loop *loop;
+ int fd;
+ char *socket_name;
+ int socket_name_size;
+
+ c = malloc(sizeof *c);
+ if (c == NULL)
+ return NULL;
+
+ memset(c, 0, sizeof *c);
+
+ socket_name_size = 1 + asprintf(&socket_name, "%c%s", '\0',
+ getenv("WAYLAND_DISPLAY"));
+
+ c->parent.display = wl_display_connect(socket_name, socket_name_size);
+ free(socket_name);
+
+ if (c->parent.display == NULL) {
+ fprintf(stderr, "failed to create display: %m\n");
+ return NULL;
+ }
+
+ wl_list_init(&c->input_list);
+ wl_display_add_global_listener(c->parent.display,
+ display_handle_global, c);
+
+ wl_display_iterate(c->parent.display, WL_DISPLAY_READABLE);
+
+ c->base.wl_display = display;
+ if (wayland_compositor_init_egl(c) < 0)
+ return NULL;
+
+ /* Can't init base class until we have a current egl context */
+ if (wlsc_compositor_init(&c->base, display) < 0)
+ return NULL;
+
+ if (wayland_compositor_create_output(c, width, height) < 0)
+ return NULL;
+
+ if (wayland_input_create(c) < 0)
+ return NULL;
+
+ loop = wl_display_get_event_loop(c->base.wl_display);
+
+ fd = wl_display_get_fd(c->parent.display, update_event_mask, c);
+ c->parent.wl_source =
+ wl_event_loop_add_fd(loop, fd, c->parent.event_mask,
+ wayland_compositor_handle_event, c);
+ if (c->parent.wl_source == NULL)
+ return NULL;
+
+ c->base.authenticate = wayland_authenticate;
+ c->base.present = wayland_compositor_present;
+
+ return &c->base;
+}
projects / profile / ivi / weston-ivi-shell.git / commitdiff