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78 lines
2.5 KiB
78 lines
2.5 KiB
4 months ago
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <hardware/hardware.h>
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#include <cutils/native_handle.h>
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#define GRALLOC_MODULE_API_VERSION_1_0 HARDWARE_MAKE_API_VERSION(1, 0)
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#define GRALLOC_HARDWARE_MODULE_ID "gralloc"
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enum {
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GRALLOC1_ERROR_NONE = 0,
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GRALLOC1_ERROR_BAD_HANDLE = 2,
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GRALLOC1_ERROR_BAD_VALUE = 3,
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GRALLOC1_ERROR_UNDEFINED = 6,
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};
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enum {
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GRALLOC1_FUNCTION_LOCK = 18,
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GRALLOC1_FUNCTION_UNLOCK = 20,
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};
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enum {
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GRALLOC1_CONSUMER_USAGE_CPU_READ = 1ULL << 1,
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GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN = 1ULL << 2 | GRALLOC1_CONSUMER_USAGE_CPU_READ,
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GRALLOC1_CONSUMER_USAGE_CPU_WRITE = 1ULL << 5,
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GRALLOC1_CONSUMER_USAGE_CPU_WRITE_OFTEN = 1ULL << 6 | GRALLOC1_CONSUMER_USAGE_CPU_WRITE,
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GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE = 1ULL << 8,
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};
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enum {
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GRALLOC1_PRODUCER_USAGE_CPU_READ = 1ULL << 1,
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GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN = 1ULL << 2 | GRALLOC1_PRODUCER_USAGE_CPU_READ,
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GRALLOC1_PRODUCER_USAGE_CPU_WRITE = 1ULL << 5,
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GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN = 1ULL << 6 | GRALLOC1_PRODUCER_USAGE_CPU_WRITE,
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GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET = 1ULL << 9,
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};
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typedef void (*gralloc1_function_pointer_t)();
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struct gralloc1_rect_t {
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int32_t left;
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int32_t top;
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int32_t width;
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int32_t height;
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};
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struct gralloc1_device_t {
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hw_device_t common;
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void (*getCapabilities)(gralloc1_device_t*, uint32_t*, int32_t*);
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gralloc1_function_pointer_t (*getFunction)(gralloc1_device_t*, int32_t);
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};
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typedef int32_t (*GRALLOC1_PFN_LOCK)(gralloc1_device_t*, buffer_handle_t, uint64_t, uint64_t,
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const gralloc1_rect_t*, void**, int32_t);
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typedef int32_t (*GRALLOC1_PFN_UNLOCK)(gralloc1_device_t*, buffer_handle_t, int32_t*);
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static inline int gralloc1_open(const hw_module_t* module, gralloc1_device_t** device) {
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return module->methods->open(module, GRALLOC_HARDWARE_MODULE_ID,
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reinterpret_cast<hw_device_t**>(device));
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}
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