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769 lines
19 KiB
769 lines
19 KiB
/*
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* Copyright © 2008-2010 Kristian Høgsberg
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include "compositor.h"
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struct drm_compositor {
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struct wlsc_compositor base;
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struct udev *udev;
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struct wl_event_source *drm_source;
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struct udev_monitor *udev_monitor;
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struct wl_event_source *udev_drm_source;
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struct {
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int fd;
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} drm;
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uint32_t crtc_allocator;
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uint32_t connector_allocator;
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struct tty *tty;
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PFNEGLCREATEDRMIMAGEMESA create_drm_image;
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PFNEGLEXPORTDRMIMAGEMESA export_drm_image;
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};
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struct drm_output {
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struct wlsc_output base;
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drmModeModeInfo mode;
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uint32_t crtc_id;
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uint32_t connector_id;
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GLuint rbo[2];
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uint32_t fb_id[2];
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EGLImageKHR image[2];
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uint32_t current;
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struct wlsc_surface *scanout_surface;
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uint32_t fs_surf_fb_id;
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uint32_t pending_fs_surf_fb_id;
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};
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static int
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drm_output_prepare_render(struct wlsc_output *output_base)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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glFramebufferRenderbuffer(GL_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER,
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output->rbo[output->current]);
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
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return -1;
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return 0;
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}
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static int
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drm_output_present(struct wlsc_output *output_base)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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uint32_t fb_id = 0;
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if (drm_output_prepare_render(&output->base))
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return -1;
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glFlush();
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output->current ^= 1;
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if (output->scanout_surface != NULL) {
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output->scanout_surface = NULL;
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fb_id = output->fs_surf_fb_id;
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} else {
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fb_id = output->fb_id[output->current ^ 1];
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}
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drmModePageFlip(c->drm.fd, output->crtc_id,
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fb_id,
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DRM_MODE_PAGE_FLIP_EVENT, output);
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return 0;
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}
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static void
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page_flip_handler(int fd, unsigned int frame,
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unsigned int sec, unsigned int usec, void *data)
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{
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struct drm_output *output = (struct drm_output *) data;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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uint32_t msecs;
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if (output->pending_fs_surf_fb_id) {
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drmModeRmFB(c->drm.fd, output->pending_fs_surf_fb_id);
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output->pending_fs_surf_fb_id = 0;
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}
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if (output->fs_surf_fb_id) {
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output->pending_fs_surf_fb_id = output->fs_surf_fb_id;
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output->fs_surf_fb_id = 0;
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}
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msecs = sec * 1000 + usec / 1000;
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wlsc_output_finish_frame(&output->base, msecs);
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}
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static int
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drm_output_prepare_scanout_surface(struct wlsc_output *output_base,
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struct wlsc_surface *es)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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EGLint handle, stride;
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int ret;
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uint32_t fb_id = 0;
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if (es->x != output->base.x ||
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es->y != output->base.y ||
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es->width != output->base.width ||
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es->height != output->base.height ||
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es->image == EGL_NO_IMAGE_KHR)
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return -1;
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c->export_drm_image(c->base.display,
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es->image, NULL, &handle, &stride);
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if (handle == 0)
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return -1;
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ret = drmModeAddFB(c->drm.fd,
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output->base.width, output->base.height,
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32, 32, stride, handle, &fb_id);
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if (ret)
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return -1;
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output->fs_surf_fb_id = fb_id;
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output->scanout_surface = es;
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return 0;
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}
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static int
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drm_output_set_cursor(struct wlsc_output *output_base,
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struct wlsc_input_device *eid)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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EGLint handle, stride;
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int ret = -1;
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pixman_region32_t cursor_region;
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if (eid == NULL) {
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drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
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return 0;
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}
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pixman_region32_init_rect(&cursor_region,
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eid->sprite->x, eid->sprite->y,
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eid->sprite->width, eid->sprite->height);
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pixman_region32_intersect_rect(&cursor_region, &cursor_region,
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output->base.x, output->base.y,
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output->base.width, output->base.height);
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if (!pixman_region32_not_empty(&cursor_region)) {
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ret = 0;
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goto out;
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}
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if (eid->sprite->image == EGL_NO_IMAGE_KHR)
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goto out;
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if (eid->sprite->width > 64 || eid->sprite->height > 64)
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goto out;
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c->export_drm_image(c->base.display, eid->sprite->image,
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NULL, &handle, &stride);
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if (stride != 64 * 4) {
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fprintf(stderr, "info: cursor stride is != 64\n");
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goto out;
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}
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ret = drmModeSetCursor(c->drm.fd, output->crtc_id, handle, 64, 64);
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if (ret) {
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fprintf(stderr, "failed to set cursor: %s\n", strerror(-ret));
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goto out;
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}
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ret = drmModeMoveCursor(c->drm.fd, output->crtc_id,
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eid->sprite->x - output->base.x,
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eid->sprite->y - output->base.y);
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if (ret) {
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fprintf(stderr, "failed to move cursor: %s\n", strerror(-ret));
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goto out;
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}
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printf("info: set hardware cursor\n");
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out:
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pixman_region32_fini(&cursor_region);
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if (ret)
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drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
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return ret;
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}
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static int
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on_drm_input(int fd, uint32_t mask, void *data)
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{
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drmEventContext evctx;
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memset(&evctx, 0, sizeof evctx);
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evctx.version = DRM_EVENT_CONTEXT_VERSION;
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evctx.page_flip_handler = page_flip_handler;
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drmHandleEvent(fd, &evctx);
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return 1;
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}
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static int
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init_egl(struct drm_compositor *ec, struct udev_device *device)
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{
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EGLint major, minor;
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const char *extensions, *filename;
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int fd;
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static const EGLint context_attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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filename = udev_device_get_devnode(device);
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fd = open(filename, O_RDWR, O_CLOEXEC);
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if (fd < 0) {
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/* Probably permissions error */
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fprintf(stderr, "couldn't open %s, skipping\n",
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udev_device_get_devnode(device));
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return -1;
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}
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ec->drm.fd = fd;
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ec->base.display = eglGetDisplay(FD_TO_EGL_NATIVE_DPY(ec->drm.fd));
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if (ec->base.display == NULL) {
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fprintf(stderr, "failed to create display\n");
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return -1;
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}
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if (!eglInitialize(ec->base.display, &major, &minor)) {
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fprintf(stderr, "failed to initialize display\n");
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return -1;
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}
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extensions = eglQueryString(ec->base.display, EGL_EXTENSIONS);
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if (!strstr(extensions, "EGL_KHR_surfaceless_opengl")) {
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fprintf(stderr, "EGL_KHR_surfaceless_opengl not available\n");
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return -1;
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}
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if (!eglBindAPI(EGL_OPENGL_ES_API)) {
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fprintf(stderr, "failed to bind api EGL_OPENGL_ES_API\n");
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return -1;
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}
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ec->base.context = eglCreateContext(ec->base.display, NULL,
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EGL_NO_CONTEXT, context_attribs);
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if (ec->base.context == NULL) {
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fprintf(stderr, "failed to create context\n");
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return -1;
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}
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if (!eglMakeCurrent(ec->base.display, EGL_NO_SURFACE,
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EGL_NO_SURFACE, ec->base.context)) {
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fprintf(stderr, "failed to make context current\n");
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return -1;
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}
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return 0;
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}
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static drmModeModeInfo builtin_1024x768 = {
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63500, /* clock */
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1024, 1072, 1176, 1328, 0,
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768, 771, 775, 798, 0,
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59920,
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DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC,
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0,
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"1024x768"
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};
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static int
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create_output_for_connector(struct drm_compositor *ec,
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drmModeRes *resources,
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drmModeConnector *connector,
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int x, int y)
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{
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struct drm_output *output;
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drmModeEncoder *encoder;
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drmModeModeInfo *mode;
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int i, ret;
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EGLint handle, stride, attribs[] = {
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EGL_WIDTH, 0,
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EGL_HEIGHT, 0,
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EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
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EGL_DRM_BUFFER_USE_MESA, EGL_DRM_BUFFER_USE_SCANOUT_MESA,
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EGL_NONE
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};
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output = malloc(sizeof *output);
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if (output == NULL)
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return -1;
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if (connector->count_modes > 0)
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mode = &connector->modes[0];
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else
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mode = &builtin_1024x768;
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encoder = drmModeGetEncoder(ec->drm.fd, connector->encoders[0]);
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if (encoder == NULL) {
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fprintf(stderr, "No encoder for connector.\n");
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return -1;
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}
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for (i = 0; i < resources->count_crtcs; i++) {
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if (encoder->possible_crtcs & (1 << i) &&
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!(ec->crtc_allocator & (1 << resources->crtcs[i])))
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break;
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}
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if (i == resources->count_crtcs) {
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fprintf(stderr, "No usable crtc for encoder.\n");
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return -1;
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}
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memset(output, 0, sizeof *output);
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wlsc_output_init(&output->base, &ec->base, x, y,
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mode->hdisplay, mode->vdisplay, 0);
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output->crtc_id = resources->crtcs[i];
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ec->crtc_allocator |= (1 << output->crtc_id);
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output->connector_id = connector->connector_id;
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ec->connector_allocator |= (1 << output->connector_id);
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output->mode = *mode;
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drmModeFreeEncoder(encoder);
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glGenRenderbuffers(2, output->rbo);
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for (i = 0; i < 2; i++) {
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glBindRenderbuffer(GL_RENDERBUFFER, output->rbo[i]);
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attribs[1] = output->base.width;
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attribs[3] = output->base.height;
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output->image[i] =
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ec->create_drm_image(ec->base.display, attribs);
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ec->base.image_target_renderbuffer_storage(GL_RENDERBUFFER,
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output->image[i]);
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ec->export_drm_image(ec->base.display, output->image[i],
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NULL, &handle, &stride);
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ret = drmModeAddFB(ec->drm.fd,
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output->base.width, output->base.height,
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32, 32, stride, handle, &output->fb_id[i]);
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if (ret) {
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fprintf(stderr, "failed to add fb %d: %m\n", i);
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return -1;
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}
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}
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output->current = 0;
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glFramebufferRenderbuffer(GL_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER,
|
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output->rbo[output->current]);
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ret = drmModeSetCrtc(ec->drm.fd, output->crtc_id,
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output->fb_id[output->current ^ 1], 0, 0,
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&output->connector_id, 1, &output->mode);
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if (ret) {
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fprintf(stderr, "failed to set mode: %m\n");
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return -1;
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}
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|
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output->scanout_surface = NULL;
|
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output->base.prepare_render = drm_output_prepare_render;
|
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output->base.present = drm_output_present;
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output->base.prepare_scanout_surface =
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drm_output_prepare_scanout_surface;
|
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output->base.set_hardware_cursor = drm_output_set_cursor;
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|
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wl_list_insert(ec->base.output_list.prev, &output->base.link);
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|
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return 0;
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}
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|
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static int
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create_outputs(struct drm_compositor *ec, int option_connector)
|
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{
|
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drmModeConnector *connector;
|
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drmModeRes *resources;
|
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int i;
|
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int x = 0, y = 0;
|
|
|
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resources = drmModeGetResources(ec->drm.fd);
|
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if (!resources) {
|
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fprintf(stderr, "drmModeGetResources failed\n");
|
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return -1;
|
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}
|
|
|
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for (i = 0; i < resources->count_connectors; i++) {
|
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connector = drmModeGetConnector(ec->drm.fd, resources->connectors[i]);
|
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if (connector == NULL)
|
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continue;
|
|
|
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if (connector->connection == DRM_MODE_CONNECTED &&
|
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(option_connector == 0 ||
|
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connector->connector_id == option_connector))
|
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if (create_output_for_connector(ec, resources,
|
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connector, x, y) < 0)
|
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return -1;
|
|
|
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x += container_of(ec->base.output_list.prev, struct wlsc_output,
|
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link)->width;
|
|
|
|
drmModeFreeConnector(connector);
|
|
}
|
|
|
|
if (wl_list_empty(&ec->base.output_list)) {
|
|
fprintf(stderr, "No currently active connector found.\n");
|
|
return -1;
|
|
}
|
|
|
|
drmModeFreeResources(resources);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
destroy_output(struct drm_output *output)
|
|
{
|
|
struct drm_compositor *ec =
|
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(struct drm_compositor *) output->base.compositor;
|
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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]);
|
|
drmModeRmFB(ec->drm.fd, output->fb_id[i]);
|
|
}
|
|
|
|
ec->crtc_allocator &= ~(1 << output->crtc_id);
|
|
ec->connector_allocator &= ~(1 << output->connector_id);
|
|
|
|
wlsc_output_destroy(&output->base);
|
|
wl_list_remove(&output->base.link);
|
|
|
|
free(output);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
update_outputs(struct drm_compositor *ec)
|
|
{
|
|
drmModeConnector *connector;
|
|
drmModeRes *resources;
|
|
struct drm_output *output, *next;
|
|
int x = 0, y = 0;
|
|
int x_offset = 0, y_offset = 0;
|
|
uint32_t connected = 0, disconnects = 0;
|
|
int i;
|
|
|
|
resources = drmModeGetResources(ec->drm.fd);
|
|
if (!resources) {
|
|
fprintf(stderr, "drmModeGetResources failed\n");
|
|
return;
|
|
}
|
|
|
|
/* collect new connects */
|
|
for (i = 0; i < resources->count_connectors; i++) {
|
|
connector =
|
|
drmModeGetConnector(ec->drm.fd,
|
|
resources->connectors[i]);
|
|
if (connector == NULL ||
|
|
connector->connection != DRM_MODE_CONNECTED)
|
|
continue;
|
|
|
|
connected |= (1 << connector->connector_id);
|
|
|
|
if (!(ec->connector_allocator & (1 << connector->connector_id))) {
|
|
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->width;
|
|
else
|
|
x = 0;
|
|
y = 0;
|
|
create_output_for_connector(ec, resources,
|
|
connector, x, y);
|
|
printf("connector %d connected\n",
|
|
connector->connector_id);
|
|
|
|
}
|
|
drmModeFreeConnector(connector);
|
|
}
|
|
drmModeFreeResources(resources);
|
|
|
|
disconnects = ec->connector_allocator & ~connected;
|
|
if (disconnects) {
|
|
wl_list_for_each_safe(output, next, &ec->base.output_list,
|
|
base.link) {
|
|
if (x_offset != 0 || y_offset != 0) {
|
|
wlsc_output_move(&output->base,
|
|
output->base.x - x_offset,
|
|
output->base.y - y_offset);
|
|
}
|
|
|
|
if (disconnects & (1 << output->connector_id)) {
|
|
disconnects &= ~(1 << output->connector_id);
|
|
printf("connector %d disconnected\n",
|
|
output->connector_id);
|
|
x_offset += output->base.width;
|
|
destroy_output(output);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* FIXME: handle zero outputs, without terminating */
|
|
if (ec->connector_allocator == 0)
|
|
wl_display_terminate(ec->base.wl_display);
|
|
}
|
|
|
|
static int
|
|
udev_event_is_hotplug(struct udev_device *device)
|
|
{
|
|
struct udev_list_entry *list, *hotplug_entry;
|
|
|
|
list = udev_device_get_properties_list_entry(device);
|
|
|
|
hotplug_entry = udev_list_entry_get_by_name(list, "HOTPLUG");
|
|
if (hotplug_entry == NULL)
|
|
return 0;
|
|
|
|
return strcmp(udev_list_entry_get_value(hotplug_entry), "1") == 0;
|
|
}
|
|
|
|
static int
|
|
udev_drm_event(int fd, uint32_t mask, void *data)
|
|
{
|
|
struct drm_compositor *ec = data;
|
|
struct udev_device *event;
|
|
|
|
event = udev_monitor_receive_device(ec->udev_monitor);
|
|
|
|
if (udev_event_is_hotplug(event))
|
|
update_outputs(ec);
|
|
|
|
udev_device_unref(event);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static EGLImageKHR
|
|
drm_compositor_create_cursor_image(struct wlsc_compositor *ec,
|
|
int32_t width, int32_t height)
|
|
{
|
|
static const EGLint image_attribs[] = {
|
|
EGL_WIDTH, 64,
|
|
EGL_HEIGHT, 64,
|
|
EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
|
|
EGL_DRM_BUFFER_USE_MESA, EGL_DRM_BUFFER_USE_CURSOR_MESA,
|
|
EGL_NONE
|
|
};
|
|
struct drm_compositor *c = (struct drm_compositor *) ec;
|
|
|
|
if (width > 64 || height > 64)
|
|
return EGL_NO_IMAGE_KHR;
|
|
|
|
return c->create_drm_image(ec->display, image_attribs);
|
|
}
|
|
|
|
static void
|
|
drm_destroy(struct wlsc_compositor *ec)
|
|
{
|
|
struct drm_compositor *d = (struct drm_compositor *) ec;
|
|
|
|
tty_destroy(d->tty);
|
|
|
|
free(d);
|
|
}
|
|
|
|
static void
|
|
vt_func(struct wlsc_compositor *compositor, int event)
|
|
{
|
|
struct drm_compositor *ec = (struct drm_compositor *) compositor;
|
|
struct wlsc_output *output;
|
|
|
|
switch (event) {
|
|
case TTY_ENTER_VT:
|
|
compositor->focus = 1;
|
|
drmSetMaster(ec->drm.fd);
|
|
compositor->state = WLSC_COMPOSITOR_ACTIVE;
|
|
wlsc_compositor_damage_all(compositor);
|
|
break;
|
|
case TTY_LEAVE_VT:
|
|
compositor->focus = 0;
|
|
compositor->state = WLSC_COMPOSITOR_SLEEPING;
|
|
drmDropMaster(ec->drm.fd);
|
|
|
|
wl_list_for_each(output, &ec->base.output_list, link)
|
|
drm_output_set_cursor(output, NULL);
|
|
|
|
break;
|
|
};
|
|
}
|
|
|
|
static struct wlsc_compositor *
|
|
drm_compositor_create(struct wl_display *display, int connector)
|
|
{
|
|
struct drm_compositor *ec;
|
|
struct udev_enumerate *e;
|
|
struct udev_list_entry *entry;
|
|
struct udev_device *device;
|
|
const char *path;
|
|
struct wl_event_loop *loop;
|
|
|
|
ec = malloc(sizeof *ec);
|
|
if (ec == NULL)
|
|
return NULL;
|
|
|
|
memset(ec, 0, sizeof *ec);
|
|
ec->udev = udev_new();
|
|
if (ec->udev == NULL) {
|
|
fprintf(stderr, "failed to initialize udev context\n");
|
|
return NULL;
|
|
}
|
|
|
|
e = udev_enumerate_new(ec->udev);
|
|
udev_enumerate_add_match_subsystem(e, "drm");
|
|
udev_enumerate_add_match_property(e, "WAYLAND_SEAT", "1");
|
|
udev_enumerate_scan_devices(e);
|
|
device = NULL;
|
|
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
|
|
path = udev_list_entry_get_name(entry);
|
|
device = udev_device_new_from_syspath(ec->udev, path);
|
|
break;
|
|
}
|
|
udev_enumerate_unref(e);
|
|
|
|
if (device == NULL) {
|
|
fprintf(stderr, "no drm device found\n");
|
|
return NULL;
|
|
}
|
|
|
|
ec->base.wl_display = display;
|
|
if (init_egl(ec, device) < 0) {
|
|
fprintf(stderr, "failed to initialize egl\n");
|
|
return NULL;
|
|
}
|
|
|
|
ec->base.destroy = drm_destroy;
|
|
ec->base.create_cursor_image = drm_compositor_create_cursor_image;
|
|
|
|
ec->base.focus = 1;
|
|
|
|
glGenFramebuffers(1, &ec->base.fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, ec->base.fbo);
|
|
|
|
ec->create_drm_image =
|
|
(void *) eglGetProcAddress("eglCreateDRMImageMESA");
|
|
ec->export_drm_image =
|
|
(void *) eglGetProcAddress("eglExportDRMImageMESA");
|
|
|
|
/* 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 output for %s\n", path);
|
|
return NULL;
|
|
}
|
|
|
|
evdev_input_add_devices(&ec->base, ec->udev);
|
|
|
|
loop = wl_display_get_event_loop(ec->base.wl_display);
|
|
ec->drm_source =
|
|
wl_event_loop_add_fd(loop, ec->drm.fd,
|
|
WL_EVENT_READABLE, on_drm_input, ec);
|
|
ec->tty = tty_create(&ec->base, vt_func);
|
|
|
|
ec->udev_monitor = udev_monitor_new_from_netlink(ec->udev, "udev");
|
|
if (ec->udev_monitor == NULL) {
|
|
fprintf(stderr, "failed to intialize udev monitor\n");
|
|
return NULL;
|
|
}
|
|
udev_monitor_filter_add_match_subsystem_devtype(ec->udev_monitor,
|
|
"drm", NULL);
|
|
ec->udev_drm_source =
|
|
wl_event_loop_add_fd(loop, udev_monitor_get_fd(ec->udev_monitor),
|
|
WL_EVENT_READABLE, udev_drm_event, ec);
|
|
|
|
if (udev_monitor_enable_receiving(ec->udev_monitor) < 0) {
|
|
fprintf(stderr, "failed to enable udev-monitor receiving\n");
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
char *p, *value;
|
|
|
|
static char * const tokens[] = { "connector", NULL };
|
|
|
|
p = options;
|
|
while (i = getsubopt(&p, tokens, &value), i != -1) {
|
|
switch (i) {
|
|
case 0:
|
|
connector = strtol(value, NULL, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return drm_compositor_create(display, connector);
|
|
}
|
|
|