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132 lines
4.7 KiB
132 lines
4.7 KiB
/**************************************************************************
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*
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* Copyright (C) 2019 Chromium.
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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 shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR 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
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef VIRGL_GBM_H
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#define VIRGL_GBM_H
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#ifdef HAVE_EPOXY_EGL_H
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#include <gbm.h>
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#endif
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#include "vrend_iov.h"
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#include "virglrenderer.h"
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#ifdef GBM_MAX_PLANES
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#define VIRGL_GBM_MAX_PLANES GBM_MAX_PLANES
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#else
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#define VIRGL_GBM_MAX_PLANES 4
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#endif
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/* GBM_FORMAT_ABGR16161616F was added since mesa 20.0 */
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#ifndef GBM_FORMAT_ABGR16161616F
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#define GBM_FORMAT_ABGR16161616F __gbm_fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
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#endif
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#ifndef MINIGBM
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#define GBM_BO_USE_TEXTURING (1 << 5)
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#define GBM_BO_USE_CAMERA_WRITE (1 << 6)
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#define GBM_BO_USE_CAMERA_READ (1 << 7)
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#define GBM_BO_USE_PROTECTED (1 << 8)
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#define GBM_BO_USE_SW_READ_OFTEN (1 << 9)
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#define GBM_BO_USE_SW_READ_RARELY (1 << 10)
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#define GBM_BO_USE_SW_WRITE_OFTEN (1 << 11)
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#define GBM_BO_USE_SW_WRITE_RARELY (1 << 12)
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#define GBM_BO_USE_HW_VIDEO_DECODER (1 << 13)
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#define GBM_BO_USE_HW_VIDEO_ENCODER (1 << 14)
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#define GBM_TEST_ALLOC (1 << 15)
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#endif
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#ifdef ENABLE_MINIGBM_ALLOCATION
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#define GBM_DEV_TYPE_FLAG_DISCRETE (1u << 0) /* Discrete GPU. Separate chip, dedicated VRAM. */
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#define GBM_DEV_TYPE_FLAG_DISPLAY (1u << 1) /* Device capable of display. */
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#define GBM_DEV_TYPE_FLAG_3D (1u << 2) /* Device capable or 3D rendering. */
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#define GBM_DEV_TYPE_FLAG_ARMSOC (1u << 3) /* Device on ARM SOC. */
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#define GBM_DEV_TYPE_FLAG_USB (1u << 4) /* USB device, udl, evdi. */
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#define GBM_DEV_TYPE_FLAG_BLOCKED (1u << 5) /* Unsuitable device e.g. vgem, udl, evdi. */
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#define GBM_DEV_TYPE_FLAG_INTERNAL_LCD (1u << 6) /* Device is driving internal LCD. */
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struct gbm_device_info {
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uint32_t dev_type_flags;
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int dri_node_num; /* DRI node number (0..63), for easy matching of devices. */
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unsigned int connectors;
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unsigned int connected;
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};
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#define GBM_DETECT_FLAG_CONNECTED (1u << 0) /* Check if any connectors are connected. SLOW! */
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#ifdef MINIGBM
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int gbm_detect_device_info(unsigned int detect_flags, int fd, struct gbm_device_info *info);
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int gbm_detect_device_info_path(unsigned int detect_flags, const char *dev_node,
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struct gbm_device_info *info);
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/*
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* Select "default" device to use for graphics memory allocator.
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*/
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int gbm_get_default_device_fd(void);
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#else
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#define gbm_detect_device_info(detect_flags, fd, info) -1
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#define gbm_detect_device_info_path(detect_flags, dev_node, info) -1
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#define gbm_get_default_device_fd() -1
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#endif /* MINIGBM */
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#endif /* ENABLE_MINIGBM_ALLOCATION */
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/*
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* If fd >= 0, virglrenderer owns the fd since it was opened via a rendernode
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* query. If fd < 0, the gbm device was opened with the fd provided by the
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* (*get_drm_fd) hook.
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*/
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struct virgl_gbm {
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int fd;
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struct gbm_device *device;
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};
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#ifdef HAVE_EPOXY_EGL_H
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struct virgl_gbm *virgl_gbm_init(int fd);
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void virgl_gbm_fini(struct virgl_gbm *gbm);
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int virgl_gbm_convert_format(uint32_t *virgl_format, uint32_t *gbm_format);
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int virgl_gbm_transfer(struct gbm_bo *bo, uint32_t direction, const struct iovec *iovecs,
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uint32_t num_iovecs, const struct vrend_transfer_info *info);
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uint32_t virgl_gbm_convert_flags(uint32_t virgl_bind_flags);
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int virgl_gbm_export_fd(struct gbm_device *gbm, uint32_t handle, int32_t *out_fd);
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int virgl_gbm_export_query(struct gbm_bo *bo, struct virgl_renderer_export_query *query);
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int virgl_gbm_get_plane_width(struct gbm_bo *bo, int plane);
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int virgl_gbm_get_plane_height(struct gbm_bo *bo, int plane);
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int virgl_gbm_get_plane_bytes_per_pixel(struct gbm_bo *bo, int plane);
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bool virgl_gbm_external_allocation_preferred(uint32_t flags);
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bool virgl_gbm_gpu_import_required(uint32_t flags);
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#endif
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#endif
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