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Diffstat (limited to 'Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm.c')
-rw-r--r--Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm.c387
1 files changed, 0 insertions, 387 deletions
diff --git a/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm.c b/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm.c
deleted file mode 100644
index 051b79e4f66..00000000000
--- a/Build/source/libs/cairo/cairo-1.12.8/src/drm/cairo-drm.c
+++ /dev/null
@@ -1,387 +0,0 @@
-/* Cairo - a vector graphics library with display and print output
- *
- * Copyright © 2009 Chris Wilson
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- *
- * The Original Code is the cairo graphics library.
- *
- * The Initial Developer of the Original Code is Chris Wilson.
- */
-
-#include "cairoint.h"
-
-#include "cairo-drm-private.h"
-
-#include "cairo-device-private.h"
-#include "cairo-error-private.h"
-
-#define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
-#include <libudev.h>
-#include <fcntl.h>
-#include <unistd.h> /* open(), close() */
-
-static cairo_drm_device_t *_cairo_drm_known_devices;
-static cairo_drm_device_t *_cairo_drm_default_device;
-
-static const char *
-get_udev_property(struct udev_device *device, const char *name)
-{
- struct udev_list_entry *entry;
-
- udev_list_entry_foreach (entry,
- udev_device_get_properties_list_entry (device))
- {
- if (strcmp (udev_list_entry_get_name (entry), name) == 0)
- return udev_list_entry_get_value (entry);
- }
-
- return NULL;
-}
-
-static void
-_device_flush (void *abstract_device)
-{
- cairo_drm_device_t *device = abstract_device;
-
- device->device.flush (device);
-}
-
-static void
-_device_finish (void *abstract_device)
-{
- cairo_drm_device_t *device = abstract_device;
-
- CAIRO_MUTEX_LOCK (_cairo_drm_device_mutex);
- if (device->prev != NULL)
- device->prev->next = device->next;
- else
- _cairo_drm_known_devices = device->next;
- if (device->next != NULL)
- device->next->prev = device->prev;
-
- CAIRO_MUTEX_UNLOCK (_cairo_drm_device_mutex);
-
- if (_cairo_atomic_ptr_cmpxchg (&_cairo_drm_default_device,
- device, NULL))
- {
- cairo_device_destroy (&device->base);
- }
-}
-
-static void
-_device_destroy (void *abstract_device)
-{
- cairo_drm_device_t *device = abstract_device;
-
- device->device.destroy (device);
-}
-
-static const cairo_device_backend_t _cairo_drm_device_backend = {
- CAIRO_DEVICE_TYPE_DRM,
-
- NULL, NULL, /* lock, unlock */
-
- _device_flush,
- _device_finish,
- _device_destroy,
-};
-
-cairo_drm_device_t *
-_cairo_drm_device_init (cairo_drm_device_t *dev,
- int fd,
- dev_t devid,
- int vendor_id,
- int chip_id,
- int max_surface_size)
-{
- assert (CAIRO_MUTEX_IS_LOCKED (_cairo_drm_device_mutex));
-
- _cairo_device_init (&dev->base, &_cairo_drm_device_backend);
-
- dev->id = devid;
- dev->vendor_id = vendor_id;
- dev->chip_id = chip_id;
- dev->fd = fd;
-
- dev->max_surface_size = max_surface_size;
-
- dev->prev = NULL;
- dev->next = _cairo_drm_known_devices;
- if (_cairo_drm_known_devices != NULL)
- _cairo_drm_known_devices->prev = dev;
- _cairo_drm_known_devices = dev;
-
- if (_cairo_drm_default_device == NULL)
- _cairo_drm_default_device = (cairo_drm_device_t *) cairo_device_reference (&dev->base);
-
- return dev;
-}
-
-cairo_device_t *
-cairo_drm_device_get (struct udev_device *device)
-{
- static const struct dri_driver_entry {
- uint32_t vendor_id;
- uint32_t chip_id;
- cairo_drm_device_create_func_t create_func;
- } driver_map[] = {
- { 0x8086, 0x29a2, _cairo_drm_i965_device_create }, /* I965_G */
- { 0x8086, 0x2982, _cairo_drm_i965_device_create }, /* G35_G */
- { 0x8086, 0x2992, _cairo_drm_i965_device_create }, /* I965_Q */
- { 0x8086, 0x2972, _cairo_drm_i965_device_create }, /* I946_GZ */
- { 0x8086, 0x2a02, _cairo_drm_i965_device_create }, /* I965_GM */
- { 0x8086, 0x2a12, _cairo_drm_i965_device_create }, /* I965_GME */
- { 0x8086, 0x2e02, _cairo_drm_i965_device_create }, /* IGD_E_G */
- { 0x8086, 0x2e22, _cairo_drm_i965_device_create }, /* G45_G */
- { 0x8086, 0x2e12, _cairo_drm_i965_device_create }, /* Q45_G */
- { 0x8086, 0x2e32, _cairo_drm_i965_device_create }, /* G41_G */
- { 0x8086, 0x2a42, _cairo_drm_i965_device_create }, /* GM45_GM */
-
- { 0x8086, 0x2582, _cairo_drm_i915_device_create }, /* I915_G */
- { 0x8086, 0x2592, _cairo_drm_i915_device_create }, /* I915_GM */
- { 0x8086, 0x258a, _cairo_drm_i915_device_create }, /* E7221_G */
- { 0x8086, 0x2772, _cairo_drm_i915_device_create }, /* I945_G */
- { 0x8086, 0x27a2, _cairo_drm_i915_device_create }, /* I945_GM */
- { 0x8086, 0x27ae, _cairo_drm_i915_device_create }, /* I945_GME */
- { 0x8086, 0x29c2, _cairo_drm_i915_device_create }, /* G33_G */
- { 0x8086, 0x29b2, _cairo_drm_i915_device_create }, /* Q35_G */
- { 0x8086, 0x29d2, _cairo_drm_i915_device_create }, /* Q33_G */
- { 0x8086, 0xa011, _cairo_drm_i915_device_create }, /* IGD_GM */
- { 0x8086, 0xa001, _cairo_drm_i915_device_create }, /* IGD_G */
-
- /* XXX i830 */
-
- { 0x8086, ~0, _cairo_drm_intel_device_create },
-
- { 0x1002, ~0, _cairo_drm_radeon_device_create },
-#if CAIRO_HAS_GALLIUM_SURFACE
- { ~0, ~0, _cairo_drm_gallium_device_create },
-#endif
- };
-
- cairo_drm_device_t *dev;
- dev_t devid;
- struct udev_device *parent;
- const char *pci_id;
- uint32_t vendor_id, chip_id;
- const char *path;
- int i, fd;
-
- devid = udev_device_get_devnum (device);
-
- CAIRO_MUTEX_LOCK (_cairo_drm_device_mutex);
- for (dev = _cairo_drm_known_devices; dev != NULL; dev = dev->next) {
- if (dev->id == devid) {
- dev = (cairo_drm_device_t *) cairo_device_reference (&dev->base);
- goto DONE;
- }
- }
-
- parent = udev_device_get_parent (device);
- pci_id = get_udev_property (parent, "PCI_ID");
- if (pci_id == NULL || sscanf (pci_id, "%x:%x", &vendor_id, &chip_id) != 2) {
- dev = (cairo_drm_device_t *)
- _cairo_device_create_in_error (CAIRO_STATUS_DEVICE_ERROR);
- goto DONE;
- }
-
-#if CAIRO_HAS_GALLIUM_SURFACE
- if (getenv ("CAIRO_GALLIUM_FORCE"))
- {
- i = ARRAY_LENGTH (driver_map) - 1;
- }
- else
-#endif
- {
- for (i = 0; i < ARRAY_LENGTH (driver_map); i++) {
- if (driver_map[i].vendor_id == ~0U)
- break;
-
- if (driver_map[i].vendor_id == vendor_id &&
- (driver_map[i].chip_id == ~0U || driver_map[i].chip_id == chip_id))
- break;
- }
-
- if (i == ARRAY_LENGTH (driver_map)) {
- dev = (cairo_drm_device_t *)
- _cairo_device_create_in_error (CAIRO_STATUS_DEVICE_ERROR);
- goto DONE;
- }
- }
-
- path = udev_device_get_devnode (device);
- if (path == NULL)
- path = "/dev/dri/card0"; /* XXX buggy udev? */
-
- fd = open (path, O_RDWR);
- if (fd == -1) {
- /* XXX more likely to be a permissions issue... */
- _cairo_error_throw (CAIRO_STATUS_FILE_NOT_FOUND);
- goto DONE;
- }
-
- dev = driver_map[i].create_func (fd, devid, vendor_id, chip_id);
- if (dev == NULL)
- close (fd);
-
- DONE:
- CAIRO_MUTEX_UNLOCK (_cairo_drm_device_mutex);
-
- return &dev->base;
-}
-slim_hidden_def (cairo_drm_device_get);
-
-cairo_device_t *
-cairo_drm_device_get_for_fd (int fd)
-{
- struct stat st;
- struct udev *udev;
- struct udev_device *device;
- cairo_device_t *dev = NULL;
-
- if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode)) {
- //_cairo_error_throw (CAIRO_STATUS_INVALID_DEVICE);
- return _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
- }
-
- udev = udev_new ();
-
- device = udev_device_new_from_devnum (udev, 'c', st.st_rdev);
- if (device != NULL) {
- dev = cairo_drm_device_get (device);
- udev_device_unref (device);
- }
-
- udev_unref (udev);
-
- return dev;
-}
-slim_hidden_def (cairo_drm_device_get_for_fd);
-
-cairo_device_t *
-cairo_drm_device_default (void)
-{
- struct udev *udev;
- struct udev_enumerate *e;
- struct udev_list_entry *entry;
- cairo_device_t *dev;
-
- /* optimistic atomic pointer read */
- dev = &_cairo_drm_default_device->base;
- if (dev != NULL)
- return dev;
-
- udev = udev_new();
- if (udev == NULL)
- return _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
-
- e = udev_enumerate_new (udev);
- udev_enumerate_add_match_subsystem (e, "drm");
- udev_enumerate_scan_devices (e);
- udev_list_entry_foreach (entry, udev_enumerate_get_list_entry (e)) {
- struct udev_device *device;
-
- device =
- udev_device_new_from_syspath (udev,
- udev_list_entry_get_name (entry));
-
- dev = cairo_drm_device_get (device);
-
- udev_device_unref (device);
-
- if (dev != NULL) {
- if (((cairo_drm_device_t *) dev)->fd == -1) {
- /* try again, we may find a usable card */
- cairo_device_destroy (dev);
- dev = NULL;
- } else
- break;
- }
- }
- udev_enumerate_unref (e);
- udev_unref (udev);
-
- cairo_device_destroy (dev); /* owned by _cairo_drm_default_device */
- return dev;
-}
-slim_hidden_def (cairo_drm_device_default);
-
-void
-_cairo_drm_device_reset_static_data (void)
-{
- if (_cairo_drm_default_device != NULL) {
- cairo_device_t *device = &_cairo_drm_default_device->base;
- _cairo_drm_default_device = NULL;
- cairo_device_destroy (device);
- }
-}
-
-int
-cairo_drm_device_get_fd (cairo_device_t *abstract_device)
-{
- cairo_drm_device_t *device = (cairo_drm_device_t *) abstract_device;
-
- if (device->base.status)
- return -1;
-
- return device->fd;
-}
-
-void
-_cairo_drm_device_fini (cairo_drm_device_t *device)
-{
- if (device->fd != -1)
- close (device->fd);
-}
-
-void
-cairo_drm_device_throttle (cairo_device_t *abstract_device)
-{
- cairo_drm_device_t *device = (cairo_drm_device_t *) abstract_device;
- cairo_status_t status;
-
- if (unlikely (device->base.status))
- return;
-
- if (device->device.throttle == NULL)
- return;
-
- status = device->device.throttle (device);
- if (unlikely (status))
- _cairo_status_set_error (&device->base.status, status);
-}
-
-cairo_bool_t
-_cairo_drm_size_is_valid (cairo_device_t *abstract_device,
- int width, int height)
-{
- cairo_drm_device_t *device = (cairo_drm_device_t *) abstract_device;
-
- if (unlikely (device->base.status))
- return FALSE;
-
- return width <= device->max_surface_size &&
- height <= device->max_surface_size;
-}