72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* Copyright 2017 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 CROS_GRALLOC_BUFFER_H
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#define CROS_GRALLOC_BUFFER_H
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#include <memory>
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#include "cros_gralloc_helpers.h"
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class cros_gralloc_buffer
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{
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public:
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static std::unique_ptr<cros_gralloc_buffer>
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create(struct bo *acquire_bo, const struct cros_gralloc_handle *borrowed_handle);
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~cros_gralloc_buffer();
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uint32_t get_id() const;
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uint32_t get_width() const;
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uint32_t get_height() const;
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uint32_t get_format() const;
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uint64_t get_format_modifier() const;
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uint64_t get_total_size() const;
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uint32_t get_num_planes() const;
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uint32_t get_plane_offset(uint32_t plane) const;
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uint32_t get_plane_stride(uint32_t plane) const;
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uint32_t get_plane_size(uint32_t plane) const;
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int32_t get_android_format() const;
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uint64_t get_android_usage() const;
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/* The new reference count is returned by both these functions. */
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int32_t increase_refcount();
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int32_t decrease_refcount();
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int32_t lock(const struct rectangle *rect, uint32_t map_flags,
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uint8_t *addr[DRV_MAX_PLANES]);
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int32_t unlock();
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int32_t resource_info(uint32_t strides[DRV_MAX_PLANES], uint32_t offsets[DRV_MAX_PLANES],
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uint64_t *format_modifier);
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int32_t invalidate();
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int32_t flush();
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int32_t get_reserved_region(void **reserved_region_addr,
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uint64_t *reserved_region_size) const;
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private:
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cros_gralloc_buffer(struct bo *acquire_bo, struct cros_gralloc_handle *acquire_handle);
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cros_gralloc_buffer(cros_gralloc_buffer const &);
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cros_gralloc_buffer operator=(cros_gralloc_buffer const &);
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struct bo *bo_;
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/* Note: this will be nullptr for imported/retained buffers. */
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struct cros_gralloc_handle *hnd_;
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int32_t refcount_ = 1;
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int32_t lockcount_ = 0;
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struct mapping *lock_data_[DRV_MAX_PLANES];
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/* Optional additional shared memory region attached to some gralloc buffers. */
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mutable void *reserved_region_addr_ = nullptr;
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};
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#endif
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