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