| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef GRALLOC_PRIV_H_ |
| #define GRALLOC_PRIV_H_ |
| |
| #include <stdint.h> |
| #include <limits.h> |
| #include <sys/cdefs.h> |
| #include <hardware/gralloc.h> |
| #include <pthread.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include <cutils/native_handle.h> |
| |
| #include <cutils/log.h> |
| |
| #define ROUND_UP_PAGESIZE(x) ( (((unsigned long)(x)) + PAGE_SIZE-1) & \ |
| (~(PAGE_SIZE-1)) ) |
| |
| enum { |
| /* gralloc usage bits indicating the type |
| * of allocation that should be used */ |
| |
| /* SYSTEM heap comes from kernel vmalloc, |
| * can never be uncached, is not secured*/ |
| GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP = GRALLOC_USAGE_PRIVATE_0, |
| /* SF heap is used for application buffers, is not secured */ |
| GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP = GRALLOC_USAGE_PRIVATE_1, |
| /* IOMMU heap comes from manually allocated pages, |
| * can be cached/uncached, is not secured */ |
| GRALLOC_USAGE_PRIVATE_IOMMU_HEAP = GRALLOC_USAGE_PRIVATE_2, |
| /* MM heap is a carveout heap for video, can be secured*/ |
| GRALLOC_USAGE_PRIVATE_MM_HEAP = GRALLOC_USAGE_PRIVATE_3, |
| /* ADSP heap is a carveout heap, is not secured*/ |
| GRALLOC_USAGE_PRIVATE_ADSP_HEAP = 0x01000000, |
| |
| /* Set this for allocating uncached memory (using O_DSYNC) |
| * cannot be used with noncontiguous heaps */ |
| GRALLOC_USAGE_PRIVATE_UNCACHED = 0x02000000, |
| |
| /* Buffer content should be displayed on an primary display only */ |
| GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY = 0x04000000, |
| |
| /* Buffer content should be displayed on an external display only */ |
| GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY = 0x08000000, |
| |
| /* This flag is set for WFD usecase */ |
| GRALLOC_USAGE_PRIVATE_WFD = 0x00200000, |
| |
| /* CAMERA heap is a carveout heap for camera, is not secured*/ |
| GRALLOC_USAGE_PRIVATE_CAMERA_HEAP = 0x00400000, |
| |
| /* This flag is used for SECURE display usecase */ |
| GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY = 0x00800000, |
| }; |
| |
| enum { |
| /* Gralloc perform enums |
| */ |
| GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER = 1, |
| // This will be deprecated from latest graphics drivers. This is kept |
| // for those backward compatibility i.e., newer Display HAL + older graphics |
| // libraries |
| GRALLOC_MODULE_PERFORM_GET_STRIDE, |
| GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE, |
| GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE, |
| GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES, |
| GRALLOC_MODULE_PERFORM_GET_COLOR_SPACE_FROM_HANDLE, |
| GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO, |
| }; |
| |
| #define GRALLOC_HEAP_MASK (GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP |\ |
| GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP |\ |
| GRALLOC_USAGE_PRIVATE_IOMMU_HEAP |\ |
| GRALLOC_USAGE_PRIVATE_MM_HEAP |\ |
| GRALLOC_USAGE_PRIVATE_ADSP_HEAP) |
| |
| #define INTERLACE_MASK 0x80 |
| #define S3D_FORMAT_MASK 0xFF000 |
| /*****************************************************************************/ |
| enum { |
| /* OEM specific HAL formats */ |
| HAL_PIXEL_FORMAT_NV12_ENCODEABLE = 0x102, |
| HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS = 0x7FA30C04, |
| HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x7FA30C03, |
| HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x109, |
| HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01, |
| HAL_PIXEL_FORMAT_YCrCb_422_SP = 0x10B, |
| HAL_PIXEL_FORMAT_R_8 = 0x10D, |
| HAL_PIXEL_FORMAT_RG_88 = 0x10E, |
| HAL_PIXEL_FORMAT_YCbCr_444_SP = 0x10F, |
| HAL_PIXEL_FORMAT_YCrCb_444_SP = 0x110, |
| HAL_PIXEL_FORMAT_YCrCb_422_I = 0x111, |
| HAL_PIXEL_FORMAT_BGRX_8888 = 0x112, |
| HAL_PIXEL_FORMAT_NV21_ZSL = 0x113, |
| HAL_PIXEL_FORMAT_INTERLACE = 0x180, |
| //v4l2_fourcc('Y', 'U', 'Y', 'L'). 24 bpp YUYV 4:2:2 10 bit per component |
| HAL_PIXEL_FORMAT_YCbCr_422_I_10BIT = 0x4C595559, |
| //v4l2_fourcc('Y', 'B', 'W', 'C'). 10 bit per component. This compressed |
| //format reduces the memory access bandwidth |
| HAL_PIXEL_FORMAT_YCbCr_422_I_10BIT_COMPRESSED = 0x43574259, |
| |
| //Khronos ASTC formats |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_4x4_KHR = 0x93B0, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x4_KHR = 0x93B1, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x5_KHR = 0x93B2, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x5_KHR = 0x93B3, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x6_KHR = 0x93B4, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x5_KHR = 0x93B5, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x6_KHR = 0x93B6, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x8_KHR = 0x93B7, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x5_KHR = 0x93B8, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x6_KHR = 0x93B9, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x8_KHR = 0x93BA, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x10_KHR = 0x93BB, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x10_KHR = 0x93BC, |
| HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x12_KHR = 0x93BD, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR = 0x93D0, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR = 0x93D1, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR = 0x93D2, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR = 0x93D3, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR = 0x93D4, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR = 0x93D5, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR = 0x93D6, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR = 0x93D7, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR = 0x93D8, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR = 0x93D9, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR = 0x93DA, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR = 0x93DB, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR = 0x93DC, |
| HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR = 0x93DD, |
| }; |
| |
| /* possible formats for 3D content*/ |
| enum { |
| HAL_NO_3D = 0x0000, |
| HAL_3D_IN_SIDE_BY_SIDE_L_R = 0x10000, |
| HAL_3D_IN_TOP_BOTTOM = 0x20000, |
| HAL_3D_IN_INTERLEAVE = 0x40000, |
| HAL_3D_IN_SIDE_BY_SIDE_R_L = 0x80000, |
| HAL_3D_OUT_SIDE_BY_SIDE = 0x1000, |
| HAL_3D_OUT_TOP_BOTTOM = 0x2000, |
| HAL_3D_OUT_INTERLEAVE = 0x4000, |
| HAL_3D_OUT_MONOSCOPIC = 0x8000 |
| }; |
| |
| enum { |
| BUFFER_TYPE_UI = 0, |
| BUFFER_TYPE_VIDEO |
| }; |
| |
| /*****************************************************************************/ |
| |
| #ifdef __cplusplus |
| struct private_handle_t : public native_handle { |
| #else |
| struct private_handle_t { |
| native_handle_t nativeHandle; |
| #endif |
| enum { |
| PRIV_FLAGS_FRAMEBUFFER = 0x00000001, |
| PRIV_FLAGS_USES_PMEM = 0x00000002, |
| PRIV_FLAGS_USES_PMEM_ADSP = 0x00000004, |
| PRIV_FLAGS_USES_ION = 0x00000008, |
| PRIV_FLAGS_USES_ASHMEM = 0x00000010, |
| PRIV_FLAGS_NEEDS_FLUSH = 0x00000020, |
| PRIV_FLAGS_DO_NOT_FLUSH = 0x00000040, |
| PRIV_FLAGS_SW_LOCK = 0x00000080, |
| PRIV_FLAGS_NONCONTIGUOUS_MEM = 0x00000100, |
| // Set by HWC when storing the handle |
| PRIV_FLAGS_HWC_LOCK = 0x00000200, |
| PRIV_FLAGS_SECURE_BUFFER = 0x00000400, |
| // For explicit synchronization |
| PRIV_FLAGS_UNSYNCHRONIZED = 0x00000800, |
| // Not mapped in userspace |
| PRIV_FLAGS_NOT_MAPPED = 0x00001000, |
| // Display on external only |
| PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000, |
| PRIV_FLAGS_VIDEO_ENCODER = 0x00010000, |
| PRIV_FLAGS_CAMERA_WRITE = 0x00020000, |
| PRIV_FLAGS_CAMERA_READ = 0x00040000, |
| PRIV_FLAGS_HW_COMPOSER = 0x00080000, |
| PRIV_FLAGS_HW_TEXTURE = 0x00100000, |
| PRIV_FLAGS_ITU_R_601 = 0x00200000, |
| PRIV_FLAGS_ITU_R_601_FR = 0x00400000, |
| PRIV_FLAGS_ITU_R_709 = 0x00800000, |
| PRIV_FLAGS_SECURE_DISPLAY = 0x01000000, |
| // Buffer is rendered in Tile Format |
| PRIV_FLAGS_TILE_RENDERED = 0x02000000 |
| }; |
| |
| // file-descriptors |
| int fd; |
| int fd_metadata; // fd for the meta-data |
| // ints |
| int magic; |
| int flags; |
| unsigned int size; |
| unsigned int offset; |
| int bufferType; |
| uint64_t base __attribute__((aligned(8))); |
| unsigned int offset_metadata; |
| // The gpu address mapped into the mmu. |
| uint64_t gpuaddr __attribute__((aligned(8))); |
| int format; |
| int width; |
| int height; |
| uint64_t base_metadata __attribute__((aligned(8))); |
| |
| #ifdef __cplusplus |
| static const int sNumFds = 2; |
| static inline int sNumInts() { |
| return ((sizeof(private_handle_t) - sizeof(native_handle_t)) / |
| sizeof(int)) - sNumFds; |
| } |
| static const int sMagic = 'gmsm'; |
| |
| private_handle_t(int fd, unsigned int size, int flags, int bufferType, |
| int format, int width, int height, int eFd = -1, |
| unsigned int eOffset = 0, uint64_t eBase = 0) : |
| fd(fd), fd_metadata(eFd), magic(sMagic), |
| flags(flags), size(size), offset(0), bufferType(bufferType), |
| base(0), offset_metadata(eOffset), gpuaddr(0), |
| format(format), width(width), height(height), |
| base_metadata(eBase) |
| { |
| version = (int) sizeof(native_handle); |
| numInts = sNumInts(); |
| numFds = sNumFds; |
| } |
| ~private_handle_t() { |
| magic = 0; |
| } |
| |
| bool usesPhysicallyContiguousMemory() { |
| return (flags & PRIV_FLAGS_USES_PMEM) != 0; |
| } |
| |
| static int validate(const native_handle* h) { |
| const private_handle_t* hnd = (const private_handle_t*)h; |
| if (!h || h->version != sizeof(native_handle) || |
| h->numInts != sNumInts() || h->numFds != sNumFds || |
| hnd->magic != sMagic) |
| { |
| ALOGD("Invalid gralloc handle (at %p): " |
| "ver(%d/%u) ints(%d/%d) fds(%d/%d)" |
| "magic(%c%c%c%c/%c%c%c%c)", |
| h, |
| h ? h->version : -1, sizeof(native_handle), |
| h ? h->numInts : -1, sNumInts(), |
| h ? h->numFds : -1, sNumFds, |
| hnd ? (((hnd->magic >> 24) & 0xFF)? |
| ((hnd->magic >> 24) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 16) & 0xFF)? |
| ((hnd->magic >> 16) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 8) & 0xFF)? |
| ((hnd->magic >> 8) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 0) & 0xFF)? |
| ((hnd->magic >> 0) & 0xFF) : '-') : '?', |
| (sMagic >> 24) & 0xFF, |
| (sMagic >> 16) & 0xFF, |
| (sMagic >> 8) & 0xFF, |
| (sMagic >> 0) & 0xFF); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static private_handle_t* dynamicCast(const native_handle* in) { |
| if (validate(in) == 0) { |
| return (private_handle_t*) in; |
| } |
| return NULL; |
| } |
| #endif |
| }; |
| |
| #endif /* GRALLOC_PRIV_H_ */ |