| /* |
| * Copyright © 2011 Benjamin Franzke |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and |
| * its documentation for any purpose is hereby granted without fee, provided |
| * that the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of the copyright holders not be used in |
| * advertising or publicity pertaining to distribution of the software |
| * without specific, written prior permission. The copyright holders make |
| * no representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
| * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #define _GNU_SOURCE |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <sys/time.h> |
| |
| #include <WF/wfd.h> |
| #include <WF/wfdext.h> |
| |
| #include <gbm.h> |
| |
| #include "compositor.h" |
| |
| struct wfd_compositor { |
| struct wlsc_compositor base; |
| |
| struct udev *udev; |
| struct gbm_device *gbm; |
| WFDDevice dev; |
| |
| WFDEvent event; |
| int wfd_fd; |
| struct wl_event_source *wfd_source; |
| |
| struct tty *tty; |
| |
| uint32_t start_time; |
| uint32_t used_pipelines; |
| }; |
| |
| struct wfd_mode { |
| struct wlsc_mode base; |
| WFDPortMode mode; |
| }; |
| |
| struct wfd_output { |
| struct wlsc_output base; |
| |
| WFDPort port; |
| |
| WFDPipeline pipeline; |
| WFDint pipeline_id; |
| |
| WFDPortMode mode; |
| WFDSource source[2]; |
| |
| struct gbm_bo *bo[2]; |
| EGLImageKHR image[2]; |
| GLuint rbo[2]; |
| uint32_t current; |
| }; |
| |
| union wfd_geometry { |
| struct { |
| WFDint x, y; |
| WFDint width, height; |
| } g; |
| |
| WFDint array[4]; |
| }; |
| |
| static int |
| wfd_output_prepare_render(struct wlsc_output *output_base) |
| { |
| struct wfd_output *output = (struct wfd_output *) output_base; |
| |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, |
| GL_COLOR_ATTACHMENT0, |
| GL_RENDERBUFFER, |
| output->rbo[output->current]); |
| |
| if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int |
| wfd_output_present(struct wlsc_output *output_base) |
| { |
| struct wfd_output *output = (struct wfd_output *) output_base; |
| struct wfd_compositor *c = |
| (struct wfd_compositor *) output->base.compositor; |
| |
| if (wfd_output_prepare_render(&output->base)) |
| return -1; |
| glFlush(); |
| |
| output->current ^= 1; |
| |
| wfdBindSourceToPipeline(c->dev, output->pipeline, |
| output->source[output->current ^ 1], |
| WFD_TRANSITION_AT_VSYNC, NULL); |
| |
| wfdDeviceCommit(c->dev, WFD_COMMIT_PIPELINE, output->pipeline); |
| |
| return 0; |
| } |
| |
| static int |
| init_egl(struct wfd_compositor *ec) |
| { |
| EGLint major, minor; |
| const char *extensions; |
| int fd; |
| static const EGLint context_attribs[] = { |
| EGL_CONTEXT_CLIENT_VERSION, 2, |
| EGL_NONE |
| }; |
| |
| fd = wfdGetDeviceAttribi(ec->dev, WFD_DEVICE_ID); |
| if (fd < 0) |
| return -1; |
| |
| ec->wfd_fd = fd; |
| ec->gbm = gbm_create_device(ec->wfd_fd); |
| ec->base.display = eglGetDisplay(ec->gbm); |
| if (ec->base.display == NULL) { |
| fprintf(stderr, "failed to create display\n"); |
| return -1; |
| } |
| |
| if (!eglInitialize(ec->base.display, &major, &minor)) { |
| fprintf(stderr, "failed to initialize display\n"); |
| return -1; |
| } |
| |
| extensions = eglQueryString(ec->base.display, EGL_EXTENSIONS); |
| if (!strstr(extensions, "EGL_KHR_surfaceless_gles2")) { |
| fprintf(stderr, "EGL_KHR_surfaceless_gles2 not available\n"); |
| return -1; |
| } |
| |
| if (!eglBindAPI(EGL_OPENGL_ES_API)) { |
| fprintf(stderr, "failed to bind api EGL_OPENGL_ES_API\n"); |
| return -1; |
| } |
| |
| ec->base.context = eglCreateContext(ec->base.display, NULL, |
| EGL_NO_CONTEXT, context_attribs); |
| if (ec->base.context == NULL) { |
| fprintf(stderr, "failed to create context\n"); |
| return -1; |
| } |
| |
| if (!eglMakeCurrent(ec->base.display, EGL_NO_SURFACE, |
| EGL_NO_SURFACE, ec->base.context)) { |
| fprintf(stderr, "failed to make context current\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| wfd_output_prepare_scanout_surface(struct wlsc_output *output_base, |
| struct wlsc_surface *es) |
| { |
| return -1; |
| } |
| |
| static int |
| wfd_output_set_cursor(struct wlsc_output *output_base, |
| struct wlsc_input_device *input) |
| { |
| return -1; |
| } |
| |
| static void |
| wfd_output_destroy(struct wlsc_output *output_base) |
| { |
| struct wfd_output *output = (struct wfd_output *) output_base; |
| struct wfd_compositor *ec = |
| (struct wfd_compositor *) output->base.compositor; |
| int i; |
| |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, |
| GL_COLOR_ATTACHMENT0, |
| GL_RENDERBUFFER, |
| 0); |
| |
| glBindRenderbuffer(GL_RENDERBUFFER, 0); |
| glDeleteRenderbuffers(2, output->rbo); |
| |
| for (i = 0; i < 2; i++) { |
| ec->base.destroy_image(ec->base.display, output->image[i]); |
| gbm_bo_destroy(output->bo[i]); |
| wfdDestroySource(ec->dev, output->source[i]); |
| } |
| |
| ec->used_pipelines &= ~(1 << output->pipeline_id); |
| wfdDestroyPipeline(ec->dev, output->pipeline); |
| wfdDestroyPort(ec->dev, output->port); |
| |
| wlsc_output_destroy(&output->base); |
| wl_list_remove(&output->base.link); |
| |
| free(output); |
| } |
| |
| static int |
| wfd_output_add_mode(struct wfd_output *output, WFDPortMode mode) |
| { |
| struct wfd_compositor *ec = |
| (struct wfd_compositor *) output->base.compositor; |
| struct wfd_mode *wmode; |
| |
| wmode = malloc(sizeof *wmode); |
| if (wmode == NULL) |
| return -1; |
| |
| wmode->base.flags = 0; |
| wmode->base.width = wfdGetPortModeAttribi(ec->dev, output->port, mode, |
| WFD_PORT_MODE_WIDTH); |
| wmode->base.height = wfdGetPortModeAttribi(ec->dev, output->port, mode, |
| WFD_PORT_MODE_HEIGHT); |
| wmode->base.refresh = wfdGetPortModeAttribi(ec->dev, output->port, mode, |
| WFD_PORT_MODE_REFRESH_RATE); |
| wmode->mode = mode; |
| wl_list_insert(output->base.mode_list.prev, &wmode->base.link); |
| |
| return 0; |
| } |
| |
| static int |
| create_output_for_port(struct wfd_compositor *ec, |
| WFDHandle port, |
| int x, int y) |
| { |
| struct wfd_output *output; |
| int i; |
| WFDint num_pipelines, *pipelines; |
| WFDint num_modes; |
| union wfd_geometry geometry; |
| struct wfd_mode *mode; |
| WFDPortMode *modes; |
| WFDfloat physical_size[2]; |
| |
| output = malloc(sizeof *output); |
| if (output == NULL) |
| return -1; |
| |
| memset(output, 0, sizeof *output); |
| memset(&geometry, 0, sizeof geometry); |
| |
| output->port = port; |
| wl_list_init(&output->base.mode_list); |
| |
| wfdSetPortAttribi(ec->dev, output->port, |
| WFD_PORT_POWER_MODE, WFD_POWER_MODE_ON); |
| |
| num_modes = wfdGetPortModes(ec->dev, output->port, NULL, 0); |
| if (num_modes < 1) { |
| fprintf(stderr, "failed to get port mode\n"); |
| goto cleanup_port; |
| } |
| |
| modes = malloc(sizeof(WFDPortMode) * num_modes); |
| if (modes == NULL) |
| goto cleanup_port; |
| |
| output->base.compositor = &ec->base; |
| num_modes = wfdGetPortModes(ec->dev, output->port, modes, num_modes); |
| for (i = 0; i < num_modes; ++i) |
| wfd_output_add_mode(output, modes[i]); |
| |
| free(modes); |
| |
| wfdGetPortAttribiv(ec->dev, output->port, |
| WFD_PORT_NATIVE_RESOLUTION, |
| 2, &geometry.array[2]); |
| |
| output->base.current = NULL; |
| wl_list_for_each(mode, &output->base.mode_list, base.link) { |
| if (mode->base.width == geometry.g.width && |
| mode->base.height == geometry.g.height) { |
| output->base.current = &mode->base; |
| break; |
| } |
| } |
| if (output->base.current == NULL) { |
| fprintf(stderr, "failed to find a native mode\n"); |
| goto cleanup_port; |
| } |
| |
| mode = (struct wfd_mode *) output->base.current; |
| mode->base.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; |
| |
| wfdSetPortMode(ec->dev, output->port, mode->mode); |
| |
| wfdEnumeratePipelines(ec->dev, NULL, 0, NULL); |
| |
| num_pipelines = wfdGetPortAttribi(ec->dev, output->port, |
| WFD_PORT_PIPELINE_ID_COUNT); |
| if (num_pipelines < 1) { |
| fprintf(stderr, "failed to get a bindable pipeline\n"); |
| goto cleanup_port; |
| } |
| pipelines = calloc(num_pipelines, sizeof *pipelines); |
| if (pipelines == NULL) |
| goto cleanup_port; |
| |
| wfdGetPortAttribiv(ec->dev, output->port, |
| WFD_PORT_BINDABLE_PIPELINE_IDS, |
| num_pipelines, pipelines); |
| |
| output->pipeline_id = WFD_INVALID_PIPELINE_ID; |
| for (i = 0; i < num_pipelines; ++i) { |
| if (!(ec->used_pipelines & (1 << pipelines[i]))) { |
| output->pipeline_id = pipelines[i]; |
| break; |
| } |
| } |
| if (output->pipeline_id == WFD_INVALID_PIPELINE_ID) { |
| fprintf(stderr, "no pipeline found for port: %d\n", port); |
| goto cleanup_pipelines; |
| } |
| |
| ec->used_pipelines |= (1 << output->pipeline_id); |
| |
| wfdGetPortAttribfv(ec->dev, output->port, |
| WFD_PORT_PHYSICAL_SIZE, |
| 2, physical_size); |
| |
| wlsc_output_init(&output->base, &ec->base, x, y, |
| physical_size[0], physical_size[1], 0); |
| |
| output->pipeline = wfdCreatePipeline(ec->dev, output->pipeline_id, NULL); |
| if (output->pipeline == WFD_INVALID_HANDLE) { |
| fprintf(stderr, "failed to create a pipeline\n"); |
| goto cleanup_wlsc_output; |
| } |
| |
| glGenRenderbuffers(2, output->rbo); |
| for (i = 0; i < 2; i++) { |
| glBindRenderbuffer(GL_RENDERBUFFER, output->rbo[i]); |
| |
| output->bo[i] = |
| gbm_bo_create(ec->gbm, |
| output->base.current->width, |
| output->base.current->height, |
| GBM_BO_FORMAT_XRGB8888, |
| GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); |
| output->image[i] = ec->base.create_image(ec->base.display, |
| NULL, |
| EGL_NATIVE_PIXMAP_KHR, |
| output->bo[i], NULL); |
| |
| printf("output->image[i]: %p\n", output->image[i]); |
| ec->base.image_target_renderbuffer_storage(GL_RENDERBUFFER, |
| output->image[i]); |
| output->source[i] = |
| wfdCreateSourceFromImage(ec->dev, output->pipeline, |
| output->image[i], NULL); |
| |
| if (output->source[i] == WFD_INVALID_HANDLE) { |
| fprintf(stderr, "failed to create source\n"); |
| goto cleanup_pipeline; |
| } |
| } |
| |
| output->current = 0; |
| glFramebufferRenderbuffer(GL_FRAMEBUFFER, |
| GL_COLOR_ATTACHMENT0, |
| GL_RENDERBUFFER, |
| output->rbo[output->current]); |
| |
| wfdSetPipelineAttribiv(ec->dev, output->pipeline, |
| WFD_PIPELINE_SOURCE_RECTANGLE, |
| 4, geometry.array); |
| wfdSetPipelineAttribiv(ec->dev, output->pipeline, |
| WFD_PIPELINE_DESTINATION_RECTANGLE, |
| 4, geometry.array); |
| |
| wfdBindSourceToPipeline(ec->dev, output->pipeline, |
| output->source[output->current ^ 1], |
| WFD_TRANSITION_AT_VSYNC, NULL); |
| |
| wfdBindPipelineToPort(ec->dev, output->port, output->pipeline); |
| |
| wfdDeviceCommit(ec->dev, WFD_COMMIT_ENTIRE_DEVICE, WFD_INVALID_HANDLE); |
| |
| output->base.prepare_render = wfd_output_prepare_render; |
| output->base.present = wfd_output_present; |
| output->base.prepare_scanout_surface = |
| wfd_output_prepare_scanout_surface; |
| output->base.set_hardware_cursor = wfd_output_set_cursor; |
| output->base.destroy = wfd_output_destroy; |
| |
| wl_list_insert(ec->base.output_list.prev, &output->base.link); |
| |
| return 0; |
| |
| cleanup_pipeline: |
| wfdDestroyPipeline(ec->dev, output->pipeline); |
| cleanup_wlsc_output: |
| wlsc_output_destroy(&output->base); |
| cleanup_pipelines: |
| free(pipelines); |
| cleanup_port: |
| wfdDestroyPort(ec->dev, output->port); |
| free(output); |
| |
| return -1; |
| } |
| |
| static int |
| create_outputs(struct wfd_compositor *ec, int option_connector) |
| { |
| int x = 0, y = 0; |
| WFDint i, num, *ports; |
| WFDPort port = WFD_INVALID_HANDLE; |
| |
| num = wfdEnumeratePorts(ec->dev, NULL, 0, NULL); |
| ports = calloc(num, sizeof *ports); |
| if (ports == NULL) |
| return -1; |
| |
| num = wfdEnumeratePorts(ec->dev, ports, num, NULL); |
| if (num < 1) |
| return -1; |
| |
| for (i = 0; i < num; ++i) { |
| port = wfdCreatePort(ec->dev, ports[i], NULL); |
| if (port == WFD_INVALID_HANDLE) |
| continue; |
| |
| if (wfdGetPortAttribi(ec->dev, port, WFD_PORT_ATTACHED) && |
| (option_connector == 0 || ports[i] == option_connector)) { |
| create_output_for_port(ec, port, x, y); |
| |
| x += container_of(ec->base.output_list.prev, |
| struct wlsc_output, |
| link)->current->width; |
| } else { |
| wfdDestroyPort(ec->dev, port); |
| } |
| } |
| |
| free(ports); |
| |
| return 0; |
| } |
| |
| static int |
| handle_port_state_change(struct wfd_compositor *ec) |
| { |
| struct wfd_output *output, *next; |
| WFDint output_port_id; |
| int x = 0, y = 0; |
| int x_offset = 0, y_offset = 0; |
| WFDPort port; |
| WFDint port_id; |
| WFDboolean state; |
| |
| port_id = wfdGetEventAttribi(ec->dev, ec->event, |
| WFD_EVENT_PORT_ATTACH_PORT_ID); |
| state = wfdGetEventAttribi(ec->dev, ec->event, |
| WFD_EVENT_PORT_ATTACH_STATE); |
| |
| if (state) { |
| struct wlsc_output *last_output = |
| container_of(ec->base.output_list.prev, |
| struct wlsc_output, link); |
| |
| /* XXX: not yet needed, we die with 0 outputs */ |
| if (!wl_list_empty(&ec->base.output_list)) |
| x = last_output->x + |
| last_output->current->width; |
| else |
| x = 0; |
| y = 0; |
| |
| port = wfdCreatePort(ec->dev, port_id, NULL); |
| if (port == WFD_INVALID_HANDLE) |
| return -1; |
| |
| create_output_for_port(ec, port, x, y); |
| |
| return 0; |
| } |
| |
| wl_list_for_each_safe(output, next, &ec->base.output_list, base.link) { |
| output_port_id = |
| wfdGetPortAttribi(ec->dev, output->port, WFD_PORT_ID); |
| |
| if (!state && output_port_id == port_id) { |
| x_offset += output->base.current->width; |
| wfd_output_destroy(&output->base); |
| continue; |
| } |
| |
| if (x_offset != 0 || y_offset != 0) { |
| wlsc_output_move(&output->base, |
| output->base.x - x_offset, |
| output->base.y - y_offset); |
| } |
| } |
| |
| if (ec->used_pipelines == 0) |
| wl_display_terminate(ec->base.wl_display); |
| |
| return 0; |
| } |
| |
| static int |
| on_wfd_event(int fd, uint32_t mask, void *data) |
| { |
| struct wfd_compositor *c = data; |
| struct wfd_output *output = NULL, *output_iter; |
| WFDEventType type; |
| const WFDtime timeout = 0; |
| WFDint pipeline_id; |
| WFDint bind_time; |
| |
| type = wfdDeviceEventWait(c->dev, c->event, timeout); |
| |
| switch (type) { |
| case WFD_EVENT_PIPELINE_BIND_SOURCE_COMPLETE: |
| pipeline_id = |
| wfdGetEventAttribi(c->dev, c->event, |
| WFD_EVENT_PIPELINE_BIND_PIPELINE_ID); |
| |
| bind_time = |
| wfdGetEventAttribi(c->dev, c->event, |
| WFD_EVENT_PIPELINE_BIND_TIME_EXT); |
| |
| wl_list_for_each(output_iter, &c->base.output_list, base.link) { |
| if (output_iter->pipeline_id == pipeline_id) |
| output = output_iter; |
| } |
| |
| if (output == NULL) |
| return 1; |
| |
| wlsc_output_finish_frame(&output->base, |
| c->start_time + bind_time); |
| break; |
| case WFD_EVENT_PORT_ATTACH_DETACH: |
| handle_port_state_change(c); |
| break; |
| default: |
| return 1; |
| } |
| |
| return 1; |
| } |
| |
| static void |
| wfd_destroy(struct wlsc_compositor *ec) |
| { |
| struct wfd_compositor *d = (struct wfd_compositor *) ec; |
| |
| wlsc_compositor_shutdown(ec); |
| |
| udev_unref(d->udev); |
| |
| wfdDestroyDevice(d->dev); |
| |
| tty_destroy(d->tty); |
| |
| free(d); |
| } |
| |
| /* FIXME: Just add a stub here for now |
| * handle drm{Set,Drop}Master in owfdrm somehow */ |
| static void |
| vt_func(struct wlsc_compositor *compositor, int event) |
| { |
| return; |
| } |
| |
| static const char default_seat[] = "seat0"; |
| |
| static struct wlsc_compositor * |
| wfd_compositor_create(struct wl_display *display, |
| int connector, const char *seat, int tty) |
| { |
| struct wfd_compositor *ec; |
| struct wl_event_loop *loop; |
| struct timeval tv; |
| |
| ec = malloc(sizeof *ec); |
| if (ec == NULL) |
| return NULL; |
| |
| memset(ec, 0, sizeof *ec); |
| |
| gettimeofday(&tv, NULL); |
| ec->start_time = tv.tv_sec * 1000 + tv.tv_usec / 1000; |
| |
| ec->udev = udev_new(); |
| if (ec->udev == NULL) { |
| fprintf(stderr, "failed to initialize udev context\n"); |
| return NULL; |
| } |
| |
| ec->dev = wfdCreateDevice(WFD_DEFAULT_DEVICE_ID, NULL); |
| if (ec->dev == WFD_INVALID_HANDLE) { |
| fprintf(stderr, "failed to create wfd device\n"); |
| return NULL; |
| } |
| |
| ec->event = wfdCreateEvent(ec->dev, NULL); |
| if (ec->event == WFD_INVALID_HANDLE) { |
| fprintf(stderr, "failed to create wfd event\n"); |
| return NULL; |
| } |
| |
| ec->base.wl_display = display; |
| if (init_egl(ec) < 0) { |
| fprintf(stderr, "failed to initialize egl\n"); |
| return NULL; |
| } |
| |
| ec->base.destroy = wfd_destroy; |
| ec->base.focus = 1; |
| |
| glGenFramebuffers(1, &ec->base.fbo); |
| glBindFramebuffer(GL_FRAMEBUFFER, ec->base.fbo); |
| |
| /* Can't init base class until we have a current egl context */ |
| if (wlsc_compositor_init(&ec->base, display) < 0) |
| return NULL; |
| |
| if (create_outputs(ec, connector) < 0) { |
| fprintf(stderr, "failed to create outputs\n"); |
| return NULL; |
| } |
| |
| evdev_input_add_devices(&ec->base, ec->udev, seat); |
| |
| loop = wl_display_get_event_loop(ec->base.wl_display); |
| ec->wfd_source = |
| wl_event_loop_add_fd(loop, |
| wfdDeviceEventGetFD(ec->dev, ec->event), |
| WL_EVENT_READABLE, on_wfd_event, ec); |
| ec->tty = tty_create(&ec->base, vt_func, tty); |
| |
| return &ec->base; |
| } |
| |
| struct wlsc_compositor * |
| backend_init(struct wl_display *display, char *options); |
| |
| WL_EXPORT struct wlsc_compositor * |
| backend_init(struct wl_display *display, char *options) |
| { |
| int connector = 0, i; |
| const char *seat; |
| char *p, *value; |
| int tty = 1; |
| |
| static char * const tokens[] = { "connector", "seat", "tty", NULL }; |
| |
| p = options; |
| seat = default_seat; |
| while (i = getsubopt(&p, tokens, &value), i != -1) { |
| switch (i) { |
| case 0: |
| connector = strtol(value, NULL, 0); |
| break; |
| case 1: |
| seat = value; |
| break; |
| case 2: |
| tty = strtol(value, NULL, 0); |
| break; |
| } |
| } |
| |
| return wfd_compositor_create(display, connector, seat, tty); |
| } |