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143 lines
7.9 KiB
143 lines
7.9 KiB
4 months ago
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/*
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* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GR_DEVICE_IMPL_H__
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#define __GR_DEVICE_IMPL_H__
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#include <hardware/hardware.h>
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#include <hardware/gralloc1.h>
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#include "gr_buf_mgr.h"
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struct private_module_t {
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hw_module_t base;
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};
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#define GRALLOC_IMPL(exp) reinterpret_cast<GrallocImpl const *>(exp)
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namespace gralloc1 {
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class GrallocImpl : public gralloc1_device_t {
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public:
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static int CloseDevice(hw_device_t *device);
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static void GetCapabilities(struct gralloc1_device *device, uint32_t *out_count,
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int32_t * /*gralloc1_capability_t*/ out_capabilities);
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static gralloc1_function_pointer_t GetFunction(
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struct gralloc1_device *device, int32_t /*gralloc1_function_descriptor_t*/ descriptor);
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static GrallocImpl* GetInstance(const struct hw_module_t *module) {
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static GrallocImpl *instance = new GrallocImpl(module);
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if (instance->IsInitialized()) {
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return instance;
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} else {
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return nullptr;
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}
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}
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private:
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static inline gralloc1_error_t Dump(gralloc1_device_t *device, uint32_t *out_size,
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char *out_buffer);
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static inline gralloc1_error_t CheckDeviceAndHandle(gralloc1_device_t *device,
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buffer_handle_t buffer);
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static gralloc1_error_t CreateBufferDescriptor(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t *out_descriptor);
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static gralloc1_error_t DestroyBufferDescriptor(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor);
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static gralloc1_error_t SetConsumerUsage(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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gralloc1_consumer_usage_t usage);
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static gralloc1_error_t SetBufferDimensions(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t width, uint32_t height);
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static gralloc1_error_t SetColorFormat(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor, int32_t format);
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static gralloc1_error_t SetLayerCount(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t layer_count);
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static gralloc1_error_t SetProducerUsage(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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gralloc1_producer_usage_t usage);
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static gralloc1_error_t GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_backing_store_t *out_store);
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static gralloc1_error_t GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_consumer_usage_t *out_usage);
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static gralloc1_error_t GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *out_width, uint32_t *out_height);
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static gralloc1_error_t GetColorFormat(gralloc1_device_t *device, buffer_handle_t descriptor,
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int32_t *outFormat);
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static gralloc1_error_t GetLayerCount(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *out_layer_count);
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static gralloc1_error_t GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_producer_usage_t *out_usage);
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static gralloc1_error_t GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *out_stride);
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static gralloc1_error_t AllocateBuffers(gralloc1_device_t *device, uint32_t num_dptors,
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const gralloc1_buffer_descriptor_t *descriptors,
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buffer_handle_t *out_buffers);
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static gralloc1_error_t RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer);
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static gralloc1_error_t ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer);
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static gralloc1_error_t GetNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *out_num_planes);
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static gralloc1_error_t LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage,
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const gralloc1_rect_t *region, void **out_data,
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int32_t acquire_fence);
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static gralloc1_error_t LockFlex(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage,
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const gralloc1_rect_t *region,
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struct android_flex_layout *out_flex_layout,
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int32_t acquire_fence);
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static gralloc1_error_t UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
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int32_t *release_fence);
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static gralloc1_error_t Gralloc1Perform(gralloc1_device_t *device, int operation, ...);
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static gralloc1_error_t validateBufferSize(gralloc1_device_t *device,
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buffer_handle_t bufferHandle,
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const gralloc1_buffer_descriptor_info_t *info,
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uint32_t stride);
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static gralloc1_error_t getTransportSize(gralloc1_device_t* /*device*/,
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buffer_handle_t buffer, uint32_t *outNumFds,
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uint32_t *outNumInts);
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static gralloc1_error_t importBuffer(gralloc1_device_t *device, buffer_handle_t raw_handle,
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buffer_handle_t *outBufferHandle);
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explicit GrallocImpl(const hw_module_t *module);
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~GrallocImpl();
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bool Init();
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bool IsInitialized() const { return initalized_; }
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BufferManager *buf_mgr_ = NULL;
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bool initalized_ = false;
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};
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} // namespace gralloc1
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#endif // __GR_DEVICE_IMPL_H__
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