/*
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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 <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 {
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struct driver *drv;
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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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union bo_handle handles[DRV_MAX_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_modifiers[DRV_MAX_PLANES];
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uint64_t use_flags;
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size_t total_size;
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void *priv;
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};
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struct kms_item {
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uint32_t format;
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uint64_t modifier;
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uint64_t use_flags;
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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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};
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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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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)(uint32_t format, uint64_t use_flags);
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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_PROTECTED | BO_USE_RENDERING | \
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BO_USE_RENDERSCRIPT | 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_TEXTURE
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#define BO_USE_TEXTURE_MASK BO_USE_LINEAR | BO_USE_PROTECTED | BO_USE_RENDERSCRIPT | \
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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_TEXTURE
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#define BO_USE_SW BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
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BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY
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#define BO_USE_SW_OFTEN BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN
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#define BO_USE_SW_RARELY BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY
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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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