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122 lines
3.8 KiB
122 lines
3.8 KiB
/*
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* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef DRV_PRIV_H
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#define DRV_PRIV_H
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#include <pthread.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include "drv.h"
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struct bo_metadata {
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uint32_t width;
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uint32_t height;
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uint32_t format;
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uint32_t tiling;
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size_t num_planes;
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uint32_t offsets[DRV_MAX_PLANES];
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uint32_t sizes[DRV_MAX_PLANES];
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uint32_t strides[DRV_MAX_PLANES];
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uint64_t format_modifier;
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uint64_t use_flags;
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size_t total_size;
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/*
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* Most of the following metadata is virtgpu cross_domain specific. However, that backend
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* needs to know traditional metadata (strides, offsets) in addition to this backend
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* specific metadata. It's easiest just to stuff all the metadata here rather than
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* having two metadata structs.
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*/
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uint64_t blob_id;
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uint32_t map_info;
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int32_t memory_idx;
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int32_t physical_device_idx;
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};
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struct bo {
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struct driver *drv;
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struct bo_metadata meta;
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bool is_test_buffer;
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union bo_handle handles[DRV_MAX_PLANES];
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void *priv;
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};
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struct format_metadata {
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uint32_t priority;
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uint32_t tiling;
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uint64_t modifier;
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};
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struct combination {
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uint32_t format;
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struct format_metadata metadata;
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uint64_t use_flags;
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};
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struct driver {
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int fd;
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const struct backend *backend;
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void *priv;
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void *buffer_table;
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struct drv_array *mappings;
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struct drv_array *combos;
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pthread_mutex_t driver_lock;
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bool compression;
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};
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struct backend {
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char *name;
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int (*init)(struct driver *drv);
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void (*close)(struct driver *drv);
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int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
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uint64_t use_flags);
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int (*bo_create_with_modifiers)(struct bo *bo, uint32_t width, uint32_t height,
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uint32_t format, const uint64_t *modifiers, uint32_t count);
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// Either both or neither _metadata functions must be implemented.
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// If the functions are implemented, bo_create and bo_create_with_modifiers must not be.
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int (*bo_compute_metadata)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
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uint64_t use_flags, const uint64_t *modifiers, uint32_t count);
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int (*bo_create_from_metadata)(struct bo *bo);
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int (*bo_destroy)(struct bo *bo);
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int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data);
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void *(*bo_map)(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags);
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int (*bo_unmap)(struct bo *bo, struct vma *vma);
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int (*bo_invalidate)(struct bo *bo, struct mapping *mapping);
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int (*bo_flush)(struct bo *bo, struct mapping *mapping);
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uint32_t (*resolve_format)(struct driver *drv, uint32_t format, uint64_t use_flags);
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size_t (*num_planes_from_modifier)(struct driver *drv, uint32_t format, uint64_t modifier);
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int (*resource_info)(struct bo *bo, uint32_t strides[DRV_MAX_PLANES],
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uint32_t offsets[DRV_MAX_PLANES], uint64_t *format_modifier);
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};
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// clang-format off
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#define BO_USE_RENDER_MASK (BO_USE_LINEAR | BO_USE_RENDERING | BO_USE_RENDERSCRIPT | \
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BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \
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BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING)
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#define BO_USE_TEXTURE_MASK (BO_USE_LINEAR | BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | \
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BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \
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BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING)
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#define BO_USE_SW_MASK (BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
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BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_FRONT_RENDERING)
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#define BO_USE_NON_GPU_HW (BO_USE_SCANOUT | BO_USE_CAMERA_WRITE | BO_USE_CAMERA_READ | \
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BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER)
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#ifndef DRM_FORMAT_MOD_LINEAR
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#define DRM_FORMAT_MOD_LINEAR DRM_FORMAT_MOD_NONE
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#endif
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#define LINEAR_METADATA (struct format_metadata) { 1, 0, DRM_FORMAT_MOD_LINEAR }
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// clang-format on
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#endif
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