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63 lines
2.0 KiB
63 lines
2.0 KiB
4 months ago
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/*
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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_DRIVER_H
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#define CROS_GRALLOC_DRIVER_H
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#include "cros_gralloc_buffer.h"
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#include <functional>
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#include <mutex>
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#include <unordered_map>
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class cros_gralloc_driver
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{
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public:
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cros_gralloc_driver();
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~cros_gralloc_driver();
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int32_t init();
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bool is_supported(const struct cros_gralloc_buffer_descriptor *descriptor);
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int32_t allocate(const struct cros_gralloc_buffer_descriptor *descriptor,
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buffer_handle_t *out_handle);
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int32_t retain(buffer_handle_t handle);
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int32_t release(buffer_handle_t handle);
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int32_t lock(buffer_handle_t handle, int32_t acquire_fence, bool close_acquire_fence,
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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(buffer_handle_t handle, int32_t *release_fence);
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int32_t invalidate(buffer_handle_t handle);
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int32_t flush(buffer_handle_t handle, int32_t *release_fence);
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int32_t get_backing_store(buffer_handle_t handle, uint64_t *out_store);
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int32_t resource_info(buffer_handle_t handle, uint32_t strides[DRV_MAX_PLANES],
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uint32_t offsets[DRV_MAX_PLANES], uint64_t *format_modifier);
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int32_t get_reserved_region(buffer_handle_t handle, void **reserved_region_addr,
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uint64_t *reserved_region_size);
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uint32_t get_resolved_drm_format(uint32_t drm_format, uint64_t usage);
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void for_each_handle(const std::function<void(cros_gralloc_handle_t)> &function);
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private:
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cros_gralloc_driver(cros_gralloc_driver const &);
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cros_gralloc_driver operator=(cros_gralloc_driver const &);
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cros_gralloc_buffer *get_buffer(cros_gralloc_handle_t hnd);
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void emplace_buffer(struct bo *bo, struct cros_gralloc_handle *hnd);
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struct driver *drv_;
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std::mutex mutex_;
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std::unordered_map<uint32_t, cros_gralloc_buffer *> buffers_;
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std::unordered_map<cros_gralloc_handle_t, std::pair<cros_gralloc_buffer *, int32_t>>
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handles_;
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};
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#endif
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