Prabhanjan Kandula | 96e9234 | 2016-03-24 21:03:35 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2016, The Linux Foundation. All rights reserved. |
| 3 | |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of The Linux Foundation nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #ifndef __GR_DEVICE_IMPL_H__ |
| 31 | #define __GR_DEVICE_IMPL_H__ |
| 32 | |
| 33 | #include <hardware/hardware.h> |
| 34 | #include <hardware/gralloc1.h> |
| 35 | #include "gr_buf_mgr.h" |
| 36 | |
| 37 | struct private_module_t { |
| 38 | hw_module_t base; |
| 39 | }; |
| 40 | |
| 41 | #define GRALLOC_IMPL(exp) reinterpret_cast<GrallocImpl const *>(exp) |
| 42 | |
| 43 | namespace gralloc1 { |
| 44 | |
| 45 | class GrallocImpl : public gralloc1_device_t { |
| 46 | public: |
| 47 | explicit GrallocImpl(const private_module_t *module); |
| 48 | ~GrallocImpl(); |
| 49 | bool Init(); |
| 50 | static int CloseDevice(hw_device_t *device); |
| 51 | static void GetCapabilities(struct gralloc1_device *device, uint32_t *out_count, |
| 52 | int32_t * /*gralloc1_capability_t*/ out_capabilities); |
| 53 | static gralloc1_function_pointer_t GetFunction( |
| 54 | struct gralloc1_device *device, int32_t /*gralloc1_function_descriptor_t*/ descriptor); |
| 55 | |
| 56 | private: |
| 57 | static inline gralloc1_error_t CheckDeviceAndDescriptor(gralloc1_device_t *device, |
| 58 | gralloc1_buffer_descriptor_t descriptor); |
| 59 | static inline gralloc1_error_t CheckDeviceAndHandle(gralloc1_device_t *device, |
| 60 | buffer_handle_t buffer); |
| 61 | static gralloc1_error_t CreateBufferDescriptor(gralloc1_device_t *device, |
| 62 | gralloc1_buffer_descriptor_t *out_descriptor); |
| 63 | static gralloc1_error_t DestroyBufferDescriptor(gralloc1_device_t *device, |
| 64 | gralloc1_buffer_descriptor_t descriptor); |
| 65 | static gralloc1_error_t SetConsumerUsage(gralloc1_device_t *device, |
| 66 | gralloc1_buffer_descriptor_t descriptor, |
| 67 | gralloc1_consumer_usage_t usage); |
| 68 | static gralloc1_error_t SetBufferDimensions(gralloc1_device_t *device, |
| 69 | gralloc1_buffer_descriptor_t descriptor, |
| 70 | uint32_t width, uint32_t height); |
| 71 | static gralloc1_error_t SetColorFormat(gralloc1_device_t *device, |
| 72 | gralloc1_buffer_descriptor_t descriptor, int32_t format); |
| 73 | static gralloc1_error_t SetProducerUsage(gralloc1_device_t *device, |
| 74 | gralloc1_buffer_descriptor_t descriptor, |
| 75 | gralloc1_producer_usage_t usage); |
| 76 | static gralloc1_error_t GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer, |
| 77 | gralloc1_backing_store_t *out_store); |
| 78 | static gralloc1_error_t GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer, |
| 79 | gralloc1_consumer_usage_t *out_usage); |
| 80 | static gralloc1_error_t GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer, |
| 81 | uint32_t *out_width, uint32_t *out_height); |
| 82 | static gralloc1_error_t GetColorFormat(gralloc1_device_t *device, buffer_handle_t descriptor, |
| 83 | int32_t *outFormat); |
| 84 | static gralloc1_error_t GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer, |
| 85 | gralloc1_producer_usage_t *out_usage); |
| 86 | static gralloc1_error_t GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer, |
| 87 | uint32_t *out_stride); |
| 88 | static gralloc1_error_t AllocateBuffers(gralloc1_device_t *device, uint32_t num_dptors, |
| 89 | const gralloc1_buffer_descriptor_t *descriptors, |
| 90 | buffer_handle_t *out_buffers); |
| 91 | static gralloc1_error_t RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer); |
| 92 | static gralloc1_error_t ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer); |
| 93 | static gralloc1_error_t getNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer, |
| 94 | uint32_t *out_num_planes); |
| 95 | static gralloc1_error_t LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer, |
| 96 | gralloc1_producer_usage_t prod_usage, |
| 97 | gralloc1_consumer_usage_t cons_usage, |
| 98 | const gralloc1_rect_t *access_region, void **out_data, |
| 99 | int32_t acquire_fence); |
| 100 | static gralloc1_error_t LockFlex(gralloc1_device_t *device, buffer_handle_t buffer, |
| 101 | gralloc1_producer_usage_t prod_usage, |
| 102 | gralloc1_consumer_usage_t cons_usage, |
| 103 | const gralloc1_rect_t *access_region, |
| 104 | struct android_flex_layout *out_flex_layout, |
| 105 | int32_t acquireFence); |
| 106 | /* TODO(user) : LOCK_YCBCR changed to LOCK_FLEX but structure is not known yet. |
| 107 | * Need to implement after clarification from Google. |
| 108 | static gralloc1_error_t LockYCbCrBuffer(gralloc1_device_t* device, buffer_handle_t buffer, |
| 109 | gralloc1_producer_usage_t producerUsage, gralloc1_consumer_usage_t consumerUsage, |
| 110 | const gralloc1_rect_t* Region, struct android_ycbcr* outYCbCr, int32_t* outAcquireFence); |
| 111 | */ |
| 112 | static gralloc1_error_t UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer, |
| 113 | int32_t *release_fence); |
| 114 | static gralloc1_error_t Gralloc1Perform(gralloc1_device_t *device, int operation, ...); |
| 115 | |
| 116 | BufferManager *buf_mgr_ = NULL; |
| 117 | }; |
| 118 | |
| 119 | } // namespace gralloc1 |
| 120 | |
| 121 | #endif // __GR_DEVICE_IMPL_H__ |