forked from eden-emu/eden
		
	
		
			
				
	
	
		
			190 lines
		
	
	
	
		
			6.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			190 lines
		
	
	
	
		
			6.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2011-2019, The Linux Foundation. All rights reserved.
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|  * Not a Contribution
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|  *
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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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| 
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| #ifndef __GR_PRIV_HANDLE_H__
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| #define __GR_PRIV_HANDLE_H__
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| 
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| #include <hardware/gralloc.h>
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| #include <hardware/gralloc1.h>
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| #include <log/log.h>
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| #ifdef __cplusplus
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| #include <cinttypes>
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| #endif
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| 
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| #define GRALLOC1_FUNCTION_PERFORM 0x00001000
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| 
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| #define DBG_HANDLE false
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| 
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| typedef gralloc1_error_t (*GRALLOC1_PFN_PERFORM)(gralloc1_device_t* device, int operation, ...);
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| 
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| #define PRIV_HANDLE_CONST(exp) static_cast<const private_handle_t*>(exp)
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| 
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| #pragma pack(push, 4)
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| #ifdef __cplusplus
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| struct private_handle_t : public native_handle_t {
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| #else
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| struct private_handle_t {
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|   native_handle_t nativeHandle;
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| #endif
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|   enum {
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|     PRIV_FLAGS_FRAMEBUFFER = 0x00000001,
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|     PRIV_FLAGS_USES_ION = 0x00000008,
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|     PRIV_FLAGS_NEEDS_FLUSH = 0x00000020,
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|     PRIV_FLAGS_INTERNAL_ONLY = 0x00000040,
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|     PRIV_FLAGS_NON_CPU_WRITER = 0x00000080,
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|     PRIV_FLAGS_CACHED = 0x00000200,
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|     PRIV_FLAGS_SECURE_BUFFER = 0x00000400,
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|     PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000,
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|     PRIV_FLAGS_PROTECTED_BUFFER = 0x00004000,
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|     PRIV_FLAGS_VIDEO_ENCODER = 0x00010000,
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|     PRIV_FLAGS_CAMERA_WRITE = 0x00020000,
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|     PRIV_FLAGS_CAMERA_READ = 0x00040000,
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|     PRIV_FLAGS_HW_COMPOSER = 0x00080000,
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|     PRIV_FLAGS_HW_TEXTURE = 0x00100000,
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|     PRIV_FLAGS_ITU_R_601 = 0x00200000,     // Unused from display
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|     PRIV_FLAGS_ITU_R_601_FR = 0x00400000,  // Unused from display
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|     PRIV_FLAGS_ITU_R_709 = 0x00800000,     // Unused from display
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|     PRIV_FLAGS_SECURE_DISPLAY = 0x01000000,
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|     PRIV_FLAGS_TILE_RENDERED = 0x02000000,
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|     PRIV_FLAGS_CPU_RENDERED = 0x04000000,
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|     PRIV_FLAGS_UBWC_ALIGNED = 0x08000000,
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|     PRIV_FLAGS_DISP_CONSUMER = 0x10000000,
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|     PRIV_FLAGS_CLIENT_ALLOCATED = 0x20000000,  // Ion buffer allocated outside of gralloc
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|     PRIV_FLAGS_UBWC_ALIGNED_PI = 0x40000000,   // PI format
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|   };
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| 
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|   // file-descriptors dup'd over IPC
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|   int fd;
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|   int fd_metadata;
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| 
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|   // values sent over IPC
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|   int magic;
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|   int flags;
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|   int width;             // holds width of the actual buffer allocated
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|   int height;            // holds height of the  actual buffer allocated
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|   int unaligned_width;   // holds width client asked to allocate
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|   int unaligned_height;  // holds height client asked to allocate
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|   int format;
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|   int buffer_type;
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|   unsigned int layer_count;
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|   uint64_t id;
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|   uint64_t usage;
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| 
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|   unsigned int size;
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|   unsigned int offset;
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|   unsigned int offset_metadata;
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|   uint64_t base;
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|   uint64_t base_metadata;
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|   uint64_t gpuaddr;
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| #ifdef __cplusplus
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|   static const int kNumFds = 2;
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|   static const int kMagic = 'gmsm';
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| 
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|   static inline int NumInts() {
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|     return ((sizeof(private_handle_t) - sizeof(native_handle_t)) / sizeof(int)) - kNumFds;
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|   }
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| 
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|   private_handle_t(int fd, int meta_fd, int flags, int width, int height, int uw, int uh,
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|                    int format, int buf_type, unsigned int size, uint64_t usage = 0)
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|       : fd(fd),
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|         fd_metadata(meta_fd),
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|         magic(kMagic),
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|         flags(flags),
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|         width(width),
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|         height(height),
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|         unaligned_width(uw),
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|         unaligned_height(uh),
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|         format(format),
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|         buffer_type(buf_type),
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|         layer_count(1),
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|         id(0),
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|         usage(usage),
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|         size(size),
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|         offset(0),
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|         offset_metadata(0),
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|         base(0),
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|         base_metadata(0),
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|         gpuaddr(0) {
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|     version = static_cast<int>(sizeof(native_handle));
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|     numInts = NumInts();
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|     numFds = kNumFds;
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|   }
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| 
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|   // Legacy constructor used by some clients
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|   private_handle_t(int fd, unsigned int size, int usage, int buf_type, int format, int w, int h)
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|       : private_handle_t(fd, -1, PRIV_FLAGS_CLIENT_ALLOCATED, w, h, 0, 0, format, buf_type, size,
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|                          static_cast<uint64_t>(usage)) {}
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| 
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|   ~private_handle_t() {
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|     magic = 0;
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|     ALOGE_IF(DBG_HANDLE, "Deleting buffer handle %p", this);
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|   }
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| 
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|   static int validate(const native_handle* h) {
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|     auto* hnd = static_cast<const private_handle_t*>(h);
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|     if (!h || h->version != sizeof(native_handle) || h->numInts != NumInts() ||
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|         h->numFds != kNumFds) {
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|       ALOGE("Invalid gralloc handle (at %p): ver(%d/%zu) ints(%d/%d) fds(%d/%d)", h,
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|             h ? h->version : -1, sizeof(native_handle), h ? h->numInts : -1, NumInts(),
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|             h ? h->numFds : -1, kNumFds);
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|       return -EINVAL;
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|     }
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|     if (hnd->magic != kMagic) {
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|       ALOGE("handle = %p  invalid  magic(%c%c%c%c/%c%c%c%c)", hnd,
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|             hnd ? (((hnd->magic >> 24) & 0xFF) ? ((hnd->magic >> 24) & 0xFF) : '-') : '?',
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|             hnd ? (((hnd->magic >> 16) & 0xFF) ? ((hnd->magic >> 16) & 0xFF) : '-') : '?',
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|             hnd ? (((hnd->magic >> 8) & 0xFF) ? ((hnd->magic >> 8) & 0xFF) : '-') : '?',
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|             hnd ? (((hnd->magic >> 0) & 0xFF) ? ((hnd->magic >> 0) & 0xFF) : '-') : '?',
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|             (kMagic >> 24) & 0xFF, (kMagic >> 16) & 0xFF, (kMagic >> 8) & 0xFF,
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|             (kMagic >> 0) & 0xFF);
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|       return -EINVAL;
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|     }
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| 
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|     return 0;
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|   }
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| 
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|   static void Dump(const private_handle_t* hnd) {
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|     ALOGD("handle id:%" PRIu64
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|           " wxh:%dx%d uwxuh:%dx%d size: %d fd:%d fd_meta:%d flags:0x%x "
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|           "usage:0x%" PRIx64 "  format:0x%x layer_count: %d",
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|           hnd->id, hnd->width, hnd->height, hnd->unaligned_width, hnd->unaligned_height, hnd->size,
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|           hnd->fd, hnd->fd_metadata, hnd->flags, hnd->usage, hnd->format, hnd->layer_count);
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|   }
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| 
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|   int GetUnalignedWidth() const { return unaligned_width; }
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| 
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|   int GetUnalignedHeight() const { return unaligned_height; }
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| 
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|   int GetColorFormat() const { return format; }
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| 
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|   unsigned int GetLayerCount() const { return layer_count; }
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| 
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|   int GetStride() const {
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|     // In handle we currently store aligned width after allocation.
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|     return width;
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|   }
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| 
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|   uint64_t GetUsage() const { return usage; }
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| 
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|   uint64_t GetBackingstore() const { return id; }
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| #endif
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| };
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| #pragma pack(pop)
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| 
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| #endif  // __GR_PRIV_HANDLE_H__
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