add gralloc_priv
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Charlotte D
parent
d2fb5adc58
commit
8cf484b6a7
1 changed files with 325 additions and 0 deletions
325
hwc/tulip/gralloc_priv.h
Executable file
325
hwc/tulip/gralloc_priv.h
Executable file
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/*
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* Copyright (C) 2010 ARM Limited. All rights reserved.
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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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#ifndef GRALLOC_PRIV_H_
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#define GRALLOC_PRIV_H_
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#include <stdint.h>
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#include <pthread.h>
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#include <errno.h>
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#include <linux/fb.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <hardware/gralloc.h>
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#include <cutils/native_handle.h>
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#include <utils/Log.h>
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#ifdef MALI_600
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#define GRALLOC_ARM_UMP_MODULE 0
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#define GRALLOC_ARM_DMA_BUF_MODULE 1
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#else
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/* NOTE:
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* If your framebuffer device driver is integrated with UMP, you will have to
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* change this IOCTL definition to reflect your integration with the framebuffer
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* device.
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* Expected return value is a UMP secure id backing your framebuffer device memory.
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*/
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/*#define IOCTL_GET_FB_UMP_SECURE_ID _IOR('F', 311, unsigned int)*/
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#define GRALLOC_ARM_UMP_MODULE 0
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#define GRALLOC_ARM_DMA_BUF_MODULE 1
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/* NOTE:
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* If your framebuffer device driver is integrated with dma_buf, you will have to
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* change this IOCTL definition to reflect your integration with the framebuffer
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* device.
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* Expected return value is a structure filled with a file descriptor
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* backing your framebuffer device memory.
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*/
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#if GRALLOC_ARM_DMA_BUF_MODULE
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struct fb_dmabuf_export
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{
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__u32 fd;
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__u32 flags;
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};
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/*#define FBIOGET_DMABUF _IOR('F', 0x21, struct fb_dmabuf_export)*/
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#endif /* GRALLOC_ARM_DMA_BUF_MODULE */
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#endif
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#define NUM_FB_BUFFERS 2
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#if GRALLOC_ARM_UMP_MODULE
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#include <ump/ump.h>
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#endif
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typedef enum
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{
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MALI_YUV_NO_INFO,
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MALI_YUV_BT601_NARROW,
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MALI_YUV_BT601_WIDE,
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MALI_YUV_BT709_NARROW,
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MALI_YUV_BT709_WIDE,
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} mali_gralloc_yuv_info;
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struct private_handle_t;
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struct private_module_t
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{
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gralloc_module_t base;
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private_handle_t* framebuffer;
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uint32_t flags;
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uint32_t numBuffers;
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uint32_t bufferMask;
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pthread_mutex_t lock;
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buffer_handle_t currentBuffer;
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int ion_client;
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struct fb_var_screeninfo info;
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struct fb_fix_screeninfo finfo;
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float xdpi;
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float ydpi;
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float fps;
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enum
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{
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// flag to indicate we'll post this buffer
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PRIV_USAGE_LOCKED_FOR_POST = 0x80000000
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};
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/* default constructor */
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private_module_t();
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};
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#ifdef __cplusplus
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struct private_handle_t : public native_handle
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{
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#else
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struct private_handle_t
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{
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struct native_handle nativeHandle;
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#endif
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enum
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{
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PRIV_FLAGS_FRAMEBUFFER = 0x00000001,
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PRIV_FLAGS_USES_UMP = 0x00000002,
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PRIV_FLAGS_USES_ION = 0x00000004,
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PRIV_FLAGS_USES_CONFIG = 0x00000008,
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};
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enum
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{
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LOCK_STATE_WRITE = 1<<31,
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LOCK_STATE_MAPPED = 1<<30,
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LOCK_STATE_READ_MASK = 0x3FFFFFFF
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};
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// ints
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#if GRALLOC_ARM_DMA_BUF_MODULE
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/*shared file descriptor for dma_buf sharing*/
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int share_fd;
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#endif
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int magic;
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int flags;
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int usage;
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int size;
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int width;
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int height;
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int format;
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int stride;
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int base;
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int lockState;
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int writeOwner;
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int pid;
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mali_gralloc_yuv_info yuv_info;
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// Following members are for UMP memory only
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#if GRALLOC_ARM_UMP_MODULE
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int ump_id;
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int ump_mem_handle;
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#define GRALLOC_ARM_UMP_NUM_INTS 2
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#else
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#define GRALLOC_ARM_UMP_NUM_INTS 0
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#endif
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// Following members is for framebuffer only
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int fd;
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int offset;
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#if GRALLOC_ARM_DMA_BUF_MODULE
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struct ion_handle *ion_hnd;
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#define GRALLOC_ARM_DMA_BUF_NUM_INTS 2
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#else
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#define GRALLOC_ARM_DMA_BUF_NUM_INTS 0
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#endif
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#if GRALLOC_ARM_DMA_BUF_MODULE
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#define GRALLOC_ARM_NUM_FDS 1
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#else
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#define GRALLOC_ARM_NUM_FDS 0
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#endif
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#ifdef __cplusplus
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/*
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* We track the number of integers in the structure. There are 11 unconditional
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* integers (magic - pid, yuv_info, fd and offset). The GRALLOC_ARM_XXX_NUM_INTS
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* variables are used to track the number of integers that are conditionally
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* included.
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*/
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static const int sNumInts = 15 + GRALLOC_ARM_UMP_NUM_INTS + GRALLOC_ARM_DMA_BUF_NUM_INTS;
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static const int sNumFds = GRALLOC_ARM_NUM_FDS;
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static const int sMagic = 0x3141592;
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#if GRALLOC_ARM_UMP_MODULE
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private_handle_t(int flags, int usage, int size, int base, int lock_state, ump_secure_id secure_id, ump_handle handle):
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#if GRALLOC_ARM_DMA_BUF_MODULE
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share_fd(-1),
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#endif
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magic(sMagic),
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flags(flags),
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usage(usage),
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size(size),
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width(0),
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height(0),
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format(0),
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stride(0),
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base(base),
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lockState(lock_state),
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writeOwner(0),
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pid(getpid()),
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yuv_info(MALI_YUV_NO_INFO),
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ump_id((int)secure_id),
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ump_mem_handle((int)handle),
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fd(0),
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offset(0)
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#if GRALLOC_ARM_DMA_BUF_MODULE
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,
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ion_hnd(NULL)
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#endif
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{
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version = sizeof(native_handle);
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numFds = sNumFds;
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numInts = sNumInts;
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}
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#endif
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#if GRALLOC_ARM_DMA_BUF_MODULE
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private_handle_t(int flags, int usage, int size, int base, int lock_state):
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share_fd(-1),
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magic(sMagic),
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flags(flags),
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usage(usage),
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size(size),
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width(0),
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height(0),
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format(0),
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stride(0),
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base(base),
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lockState(lock_state),
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writeOwner(0),
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pid(getpid()),
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yuv_info(MALI_YUV_NO_INFO),
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#if GRALLOC_ARM_UMP_MODULE
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ump_id((int)UMP_INVALID_SECURE_ID),
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ump_mem_handle((int)UMP_INVALID_MEMORY_HANDLE),
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#endif
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fd(0),
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offset(0),
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ion_hnd(NULL)
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{
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version = sizeof(native_handle);
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numFds = sNumFds;
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numInts = sNumInts;
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}
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#endif
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private_handle_t(int flags, int usage, int size, int base, int lock_state, int fb_file, int fb_offset):
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#if GRALLOC_ARM_DMA_BUF_MODULE
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share_fd(-1),
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#endif
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magic(sMagic),
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flags(flags),
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usage(usage),
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size(size),
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width(0),
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height(0),
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format(0),
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stride(0),
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base(base),
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lockState(lock_state),
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writeOwner(0),
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pid(getpid()),
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yuv_info(MALI_YUV_NO_INFO),
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#if GRALLOC_ARM_UMP_MODULE
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ump_id((int)UMP_INVALID_SECURE_ID),
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ump_mem_handle((int)UMP_INVALID_MEMORY_HANDLE),
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#endif
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fd(fb_file),
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offset(fb_offset)
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#if GRALLOC_ARM_DMA_BUF_MODULE
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,
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ion_hnd(NULL)
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#endif
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{
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version = sizeof(native_handle);
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numFds = sNumFds;
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numInts = sNumInts;
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}
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~private_handle_t()
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{
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magic = 0;
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}
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bool usesPhysicallyContiguousMemory()
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{
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return (flags & PRIV_FLAGS_FRAMEBUFFER) ? true : false;
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}
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static int validate(const native_handle* h)
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{
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const private_handle_t* hnd = (const private_handle_t*)h;
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if (!h || h->version != sizeof(native_handle) || h->numInts != sNumInts || h->numFds != sNumFds || hnd->magic != sMagic)
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{
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return -EINVAL;
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}
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return 0;
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}
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static private_handle_t* dynamicCast(const native_handle* in)
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{
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if (validate(in) == 0)
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{
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return (private_handle_t*) in;
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}
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return NULL;
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}
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#endif
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};
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#endif /* GRALLOC_PRIV_H_ */
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