1 /* 2 * Copyright (c) 2011-2017, 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_ALLOCATOR_H__ 31 #define __GR_ALLOCATOR_H__ 32 33 #ifdef MASTER_SIDE_CP 34 #define SECURE_ALIGN SZ_4K 35 #else 36 #define SECURE_ALIGN SZ_1M 37 #endif 38 39 #include <vector> 40 41 #include "gralloc_priv.h" 42 #include "gr_buf_descriptor.h" 43 #include "gr_adreno_info.h" 44 #include "gr_ion_alloc.h" 45 46 namespace gralloc1 { 47 48 class Allocator { 49 public: 50 Allocator(); 51 ~Allocator(); 52 bool Init(); 53 int MapBuffer(void **base, unsigned int size, unsigned int offset, int fd); 54 int ImportBuffer(int fd); 55 int FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd, int handle); 56 int CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op); 57 int AllocateMem(AllocData *data, gralloc1_producer_usage_t prod_usage, 58 gralloc1_consumer_usage_t cons_usage); 59 // @return : index of the descriptor with maximum buffer size req 60 bool CheckForBufferSharing(uint32_t num_descriptors, 61 const std::vector<std::shared_ptr<BufferDescriptor>>& descriptors, 62 ssize_t *max_index); 63 int GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage, 64 gralloc1_consumer_usage_t cons_usage, int format); 65 unsigned int GetSize(const BufferDescriptor &d, unsigned int alignedw, unsigned int alignedh); 66 void GetBufferSizeAndDimensions(const BufferDescriptor &d, unsigned int *size, 67 unsigned int *alignedw, unsigned int *alignedh); 68 void GetBufferSizeAndDimensions(int width, int height, int format, unsigned int *size, 69 unsigned int *alignedw, unsigned int *alignedh); 70 void GetAlignedWidthAndHeight(const BufferDescriptor &d, unsigned int *aligned_w, 71 unsigned int *aligned_h); 72 int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr); 73 int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data); 74 bool UseUncached(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage); 75 bool IsUBwcFormat(int format); 76 bool IsUBwcSupported(int format); 77 bool IsUBwcEnabled(int format, gralloc1_producer_usage_t prod_usage, 78 gralloc1_consumer_usage_t cons_usage); 79 uint32_t GetDataAlignment(int format, gralloc1_producer_usage_t prod_usage, 80 gralloc1_consumer_usage_t cons_usage); 81 82 private: 83 void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w, 84 unsigned int *aligned_h); 85 void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp, 86 struct android_ycbcr *ycbcr); 87 void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format, 88 struct android_ycbcr *ycbcr); 89 void GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height); 90 unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp); 91 unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw, 92 unsigned int alignedh); 93 void GetIonHeapInfo(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage, 94 unsigned int *ion_heap_id, unsigned int *alloc_type, unsigned int *ion_flags); 95 96 IonAlloc *ion_allocator_ = NULL; 97 AdrenoMemInfo *adreno_helper_ = NULL; 98 }; 99 100 } // namespace gralloc1 101 102 #endif // __GR_ALLOCATOR_H__ 103