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weston/compositor/compositor-openwfd.c

698 lines
17 KiB

/*
* 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_opengl")) {
fprintf(stderr, "EGL_KHR_surfaceless_opengl 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);
}