mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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fcd0b4c94a
Update adds in missing items that MacOS code needs to compile and run the DRI2 code. New code is copied from the public repository: https://gitlab.freedesktop.org/mesa/drm/-/blob/main/xf86drm.h Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28130>
149 lines
4.3 KiB
C
149 lines
4.3 KiB
C
/*
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* Copyright © 2023 Google, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* A simple header that either gives you the real libdrm or a no-op shim,
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* depending on whether HAVE_LIBDRM is defined. This is intended to avoid
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* the proliferation of #ifdef'ery to support environments without libdrm.
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*/
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#ifdef HAVE_LIBDRM
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#include <xf86drm.h>
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#else
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#include <errno.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#define DRM_NODE_PRIMARY 0
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#define DRM_NODE_CONTROL 1
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#define DRM_NODE_RENDER 2
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#define DRM_NODE_MAX 3
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#define DRM_BUS_PCI 0
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#define DRM_BUS_USB 1
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#define DRM_BUS_PLATFORM 2
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#define DRM_BUS_HOST1X 3
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typedef unsigned int drm_magic_t;
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static int
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drmGetMagic(int fd, drm_magic_t * magic)
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{
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return -EINVAL;
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}
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typedef struct _drmPciDeviceInfo {
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uint16_t vendor_id;
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uint16_t device_id;
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uint16_t subvendor_id;
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uint16_t subdevice_id;
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uint8_t revision_id;
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} drmPciDeviceInfo, *drmPciDeviceInfoPtr;
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#define DRM_PLATFORM_DEVICE_NAME_LEN 512
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typedef struct _drmPlatformBusInfo {
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char fullname[DRM_PLATFORM_DEVICE_NAME_LEN];
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} drmPlatformBusInfo, *drmPlatformBusInfoPtr;
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typedef struct _drmPlatformDeviceInfo {
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char **compatible; /* NULL terminated list of compatible strings */
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} drmPlatformDeviceInfo, *drmPlatformDeviceInfoPtr;
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#define DRM_HOST1X_DEVICE_NAME_LEN 512
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typedef struct _drmHost1xBusInfo {
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char fullname[DRM_HOST1X_DEVICE_NAME_LEN];
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} drmHost1xBusInfo, *drmHost1xBusInfoPtr;
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typedef struct _drmPciBusInfo {
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uint16_t domain;
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uint8_t bus;
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uint8_t dev;
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uint8_t func;
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} drmPciBusInfo, *drmPciBusInfoPtr;
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typedef struct _drmDevice {
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char **nodes; /* DRM_NODE_MAX sized array */
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int available_nodes; /* DRM_NODE_* bitmask */
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int bustype;
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union {
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drmPciBusInfoPtr pci;
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drmPlatformBusInfoPtr platform;
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drmHost1xBusInfoPtr host1x;
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} businfo;
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union {
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drmPciDeviceInfoPtr pci;
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} deviceinfo;
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/* ... */
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} drmDevice, *drmDevicePtr;
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#define DRM_DEVICE_GET_PCI_REVISION (1 << 0)
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static inline int
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drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
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{
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return -ENOENT;
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}
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static inline int
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drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices)
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{
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return -ENOENT;
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}
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static inline int
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drmGetDeviceFromDevId(dev_t dev_id, uint32_t flags, drmDevicePtr *device)
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{
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return -ENOENT;
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}
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static inline void
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drmFreeDevice(drmDevicePtr *device) {}
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static inline void
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drmFreeDevices(drmDevicePtr devices[], int count) {}
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static inline char*
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drmGetDeviceNameFromFd2(int fd) { return NULL;}
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typedef struct _drmVersion {
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int version_major; /**< Major version */
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int version_minor; /**< Minor version */
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int version_patchlevel; /**< Patch level */
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int name_len; /**< Length of name buffer */
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char *name; /**< Name of driver */
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int date_len; /**< Length of date buffer */
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char *date; /**< User-space buffer to hold date */
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int desc_len; /**< Length of desc buffer */
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char *desc; /**< User-space buffer to hold desc */
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} drmVersion, *drmVersionPtr;
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static inline struct _drmVersion *
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drmGetVersion(int fd) { return NULL; }
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static inline void
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drmFreeVersion(struct _drmVersion *v) {}
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#endif
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