1 // Copyright (C) 2023 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License") = 0; 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include "magma_dec.h" 18 19 #include <memory> 20 21 namespace gfxstream { 22 namespace magma { 23 24 // Generic magma decoder. 25 class Decoder : public magma_decoder_context_t { 26 public: 27 static std::unique_ptr<Decoder> Create(); 28 29 private: 30 virtual magma_status_t magma_device_import(magma_handle_t device_channel, magma_device_t* device_out) = 0; 31 virtual void magma_device_release(magma_device_t device) = 0; 32 virtual magma_status_t magma_device_query(magma_device_t device, uint64_t id, magma_handle_t* result_buffer_out, uint64_t* result_out) = 0; 33 virtual magma_status_t magma_device_create_connection(magma_device_t device, magma_connection_t* connection_out) = 0; 34 virtual void magma_connection_release(magma_connection_t connection) = 0; 35 virtual magma_status_t magma_connection_create_buffer(magma_connection_t connection, uint64_t size, uint64_t* size_out, magma_buffer_t* buffer_out, magma_buffer_id_t* id_out) = 0; 36 virtual void magma_connection_release_buffer(magma_connection_t connection, magma_buffer_t buffer) = 0; 37 virtual magma_status_t magma_connection_create_semaphore(magma_connection_t magma_connection, magma_semaphore_t* semaphore_out, magma_semaphore_id_t* id_out) = 0; 38 virtual void magma_connection_release_semaphore(magma_connection_t connection, magma_semaphore_t semaphore) = 0; 39 virtual magma_status_t magma_buffer_export(magma_buffer_t buffer, magma_handle_t* buffer_handle_out) = 0; 40 virtual void magma_semaphore_signal(magma_semaphore_t semaphore) = 0; 41 virtual void magma_semaphore_reset(magma_semaphore_t semaphore) = 0; 42 virtual magma_status_t magma_poll(magma_poll_item_t* items, uint32_t count, uint64_t timeout_ns) = 0; 43 virtual magma_status_t magma_connection_get_error(magma_connection_t connection) = 0; 44 virtual magma_status_t magma_connection_create_context(magma_connection_t connection, uint32_t* context_id_out) = 0; 45 virtual void magma_connection_release_context(magma_connection_t connection, uint32_t context_id) = 0; 46 virtual magma_status_t magma_connection_map_buffer(magma_connection_t connection, uint64_t hw_va, magma_buffer_t buffer, uint64_t offset, uint64_t length, uint64_t map_flags) = 0; 47 virtual void magma_connection_unmap_buffer(magma_connection_t connection, uint64_t hw_va, magma_buffer_t buffer) = 0; 48 }; 49 50 } // namespace magma 51 } // namespace gfxstream 52