d74d663374
Add a fallback mechanism to allocate memory from ashmem if pmem allocation fails. Do not fallback in the following cases: - MDP composition is being used. - Client has explicitly requested that the memory be allocated from pmem. - Buffer will not be sent to the overlay. Change-Id: Ic690af48f81914cb4c9a102cb386356797451141
85 lines
2.8 KiB
C++
Executable File
85 lines
2.8 KiB
C++
Executable File
/*
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* Copyright (C) 2008 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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#ifndef GRALLOC_QSD8K_GPU_H_
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#define GRALLOC_QSD8K_GPU_H_
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#include <errno.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <string.h>
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#include <cutils/log.h>
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#include <cutils/ashmem.h>
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#include "gralloc_priv.h"
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#include "pmemalloc.h"
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class gpu_context_t : public alloc_device_t {
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public:
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class Deps {
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public:
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virtual ~Deps();
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// ashmem
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virtual int ashmem_create_region(const char *name, size_t size) = 0;
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// POSIX
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virtual int close(int fd) = 0;
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// Framebuffer (locally defined)
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virtual int mapFrameBufferLocked(struct private_module_t* module) = 0;
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virtual int terminateBuffer(gralloc_module_t const* module,
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private_handle_t* hnd) = 0;
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};
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gpu_context_t(Deps& deps, PmemAllocator& pmemAllocator,
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PmemAllocator& pmemAdspAllocator, const private_module_t* module);
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int gralloc_alloc_framebuffer_locked(size_t size, int usage,
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buffer_handle_t* pHandle);
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int gralloc_alloc_framebuffer(size_t size, int usage,
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buffer_handle_t* pHandle);
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int gralloc_alloc_buffer(size_t size, int usage, buffer_handle_t* pHandle, int bufferType, int format,
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int width, int height);
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int free_impl(private_handle_t const* hnd);
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int alloc_impl(int w, int h, int format, int usage,
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buffer_handle_t* pHandle, int* pStride, int bufferSize = 0);
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static int gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
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int usage, buffer_handle_t* pHandle, int* pStride);
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static int gralloc_free(alloc_device_t* dev, buffer_handle_t handle);
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static int gralloc_alloc_size(alloc_device_t* dev, int w, int h, int format,
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int usage, buffer_handle_t* pHandle, int* pStride, int bufferSize);
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static int gralloc_close(struct hw_device_t *dev);
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int get_composition_type() const { return compositionType; }
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private:
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Deps& deps;
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PmemAllocator& pmemAllocator;
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PmemAllocator& pmemAdspAllocator;
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int compositionType;
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int alloc_ashmem_buffer(size_t size, unsigned int postfix, void** pBase,
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int* pOffset, int* pFd);
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void getGrallocInformationFromFormat(int inputFormat, int *colorFormat, int *bufferType);
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};
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#endif // GRALLOC_QSD8K_GPU_H
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