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Unity shader-post-processing: Bloom Full-screen floodlight

I. INTRODUCTIONToday to learn bloom effect, bloom effect sometimes called glow effect, Chinese is generally called "full-screen omni-ray", which is a full-screen post-processing effect can be simulated hdr, but the implementation of the principle and HDR is far, the effect is worse than hdr, but more than the performance of H

Parameter transfer between U-BOOT and kernel (2)

2.6 kernel. These parameters mainly include the system root device identifier, page size, memory start address and size, ramdisk start address and size, and the compressed ramdisk root file system start address and size, kernel command parameters. The format and description of the Kernel Parameter linked list can be found in include/ASM-arm/setup. h In the kernel source code directory tree. The parameter linked list must start with atag_core and end with atag_none. Here, atag_core and atag_none

Embedded System bootloader

set kernel startup parametersIt should be said that after copying the kernel image and the root file system image to the ram space, you can prepare to start the Linux kernel. However, before calling the kernel, you should make one step of preparation, that is, set the Linux kernel startup parameters.Linux 2.4.x and later kernels all expect to pass startup parameters in the form of tagged list. Start the parameter tag list to mark atag_core and end with atag_none. Each tag consists of the tag_he

Use OpenRowSet to Operate Excel

There are two interfaces available: Microsoft. Jet. OLEDB.4.0 (hereinafter referred to as the Jet engine) and Microsoft. ACE. OLEDB.12.0 (hereinafter referred to as the ACE engine ). You are familiar with the Jet engine and can access Office 97-2003, but cannot access Office 2007. The ACE engine is a database connection component released along with Office 2007. It can access Office 2007 or Office 97-2003. In addition, Microsoft. ACE. OLEDB.12.0 can access an Excel file that is being opened, but

The imported Excel value cannot be read, and the installable ISAM error cannot be found!

table and import the data in the EXCEL; then, use SQL statements to develop SQL statements for the temporary table and related tables. This is indeed simple and flexible. In the future, when the customer has other abnormal requirements, it is too big to write a stored procedure for him, if it is more complicated, it can be more complicated. It's really nice to solve all the problems.After the test, several difficult problems are found.Problem: data-driven problem. Some columns in Excel are nume

Armlinux bootloader details

*******************/ Error: Uart_sendstring ("/n/npanic SDRAM check error! /N "); Return 0; } Static void setup_start_tag (void) { Params = (struct tag *) ram_boot_params; // address at which the startup parameter starts Params-> HDR. Tag = atag_core; Params-> HDR. size = tag_size (tag_core ); Params-> U. Core. Flags = 0; Params-> U. Core. pagesize = 0; Params-> U. Core. rootdev = 0; Params = tag_next (Par

Full explanation of armlinux bootloader (based on Samsung 2410)

enabled or disabled. R0 must be 0 and R1 must be the CPU model.(This can be found in Linux/ARCH/ARM/tools/Mach-types). R2 must be the physical start address of the parameter./******************* End *******************/Error:Uart_sendstring ("/n/npanic SDRAM check error! /N ");Return 0;}Static void setup_start_tag (void){Params = (struct tag *) ram_boot_params; // address at which the startup parameter startsParams-> HDR. Tag = atag_core;Params->

Samba source code parsing-smbclient command stream

Works in a specific group according to the protocol. Note that smb1 does not define the complete data packet format for each CIFS protocol in the group package, but only defines the header (with WCT) field, sending is performed by controlling IOV and iov_count. For details, refer to the following code: Dependencies (Conn-> protocol, Conn-> smb1.capabilities, smb_command, additional_flags, clear_flags, flags, additional_flags2, clear_flags2, flags2 ); // obtain the flags required by the curren

Use qvfb to develop framebuffer applications in X11

the offset position of virtual framebuffer relative to the header structure. Data written to the offset address can be reflected to qvfb. The following is an example, Int key = ftok ("/tmp/. qtvfb_mouse-0", 'B ');Int shmid = shmget (Key, 0, 0 );If (shmid! =-1){Struct qvfbheader * qvfb_data = shmat (shmid, 0, 0 );If (qvfb_data! = NULL)Memset (char *) qvfb_data + qvfb_data-> dataoffset, 0xff, 65535 ); } A piece of code in qtopia:Bool qvfbscreen: connect (const qstring displayspec)220 {221 screen

C # batch upload data in Excel

);}Else{Response. Write (" ");Return; // If the selected file is not an Excel file}// Delete this Excel file after uploadingIf (system. Io. file. exists (PATH )){System. Io. file. Delete (PATH );}Else{Response. Write ("this Excel does not exist! ");} } Ii. BLL layer (this layer encapsulates specific practices and can be called multiple times) 1. BLL external open operations: Public String imaportoptional (string strpath){// Create an instance of the Dal LayerOptionalcoursescoredao optionals

Interaction between Linux User State and kernel state-Netlink

. The nlmsg_flags field is used to set the message flag, you can set it to 0, but only some advanced applications (such as netfilter and daemon require it to perform some complex operations). The fields nlmsg_seq and nlmsg_pid are used for application tracing, the former indicates the sequence number, and the latter indicates the ID of the message source process. Struct msg_to_kernel/* Custom message header, which only contains the Netlink message header */{Struct nlmsghdr

Full explanation of ARM Linux bootloader

= (struct tag *) ram_boot_params; // address at which the startup parameter startsParams-> HDR. Tag = atag_core;Params-> HDR. size = tag_size (tag_core );Params-> U. Core. Flags = 0;Params-> U. Core. pagesize = 0;Params-> U. Core. rootdev = 0;Params = tag_next (Params );} Static void setup_memory_tags (void){Int I; For (I = 0; I If (memory_map [I]. Used ){Params-> HDR

Reproduced LWIP's IP/MAC address conflict detection

device itself, it is marked as an IP conflict. Mac conflicts in the same vein. in lwIP, improvements can be made to detect Mac and IP collisions in the following areas. The main part of the code is posted below. Etharp_arp_input (struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p) {...Case Pp_htons (arp_request):if (ip_addr_cmp (sipaddr, (NETIF->IP_ADDR))) {Etharperror |= duplicate_ip;}if ((hdr->shwaddr.addr[0] = = netif->hwaddr[0]) (

N2N peer-to-peer VPN Network

[-n "$ port"] | return 1 service_start/usr/sbin/supernode-l $ port ;; esac} stop_instance () {local cfg = "$1" config_get type "$ cfg" TYPE case "$ type" in edge) service_stop/usr/sbin/edge; supernode) service_stop/usr/sbin/supernode; Esac} start () {config_load 'n2n 'config_foreach start_instance 'edge' config_foreach start_instance 'supernode'} stop () {config_load 'n2n 'config_foreach stop_instance 'edge' config_foreach stop_instance 'supernode'} shows that it is very easy to use from the co

T-SQL usage 4: OpenDataSource, OpenRowSet

OpenDataSource: Provide special connection information without using the name of the linked server and use it as part of the four-part object name. Syntax OpenDataSource (provider_name, init_string) Parameters Provider_name Register as the name of the progid of the ole db access interface used to access the data source.Provider_nameThe data type of isChar, No default value. Init_string Connection str

Tutorial on how to set up 3G and evdo in China Telecom on xv6700

, and click OK. Srawww.playppc.com 6. modify the configuration: srawww.playppc.com. A. In the roam window, select the top 5 Table file for test from browse. Srawww.playppc.com B. In the 1x/HDR security window, R-UIM config recommends selecting the R-UIM if avail (Note: Selecting the R-UIM if avail indicates reading the data in the card if there is a card in it, if there is no card, the data in the machine will be read. After 6700 is set, I can access

Photographer Essential filters Nik Collection detailed

Nik Collection (Nikon Professional Image processing kit) has 6 powerful image processing Plug-ins, Color Efex Pro 4 (Image rendering filter), HDR Efex Pro 2 (HDR image filter), Silver Efex Pro 2 (Black filter ), Viveza 2 (Selective tuning filter), Sharpener Pro 3 (sharpening filter), Dfine 2 (Noise reduction filter). Nik Collection is Nik software company developed a complete set of image processing Plug-i

Good photos Windows version features detailed

Face the beautiful scene, we always can't help to take out the camera, the beauty of the moment with photos recorded. But you are not more than one time to wonder, the photos you take are either not satisfied with the light, or the composition is flawed, beauty can not be used in the hands of the camera to stay, it is inevitable regret unceasingly. Want to pass post-processing, and bother to learn complex software, had to again and again and beautiful photos missed. Without the Master of the PS

How does VC ++ Save the customer partition as BMP and VC to output the self-drawing to the BMP file?

. biheight, (lpbyte) null, (lpbitmapinfo) lpbi, (DWORD) B _dirgb_colors ); Bi = * lpbi; If (Bi. bisizeimage = 0) { Bi. bisizeimage = (Bi. biwidth * bi. bibitcount) + 31 )~ 31)/8) * bi. biheight; If (dwcompression! = Bi_rgb) Bi. bisizeimage = (Bi. bisizeimage * 3)/2; } Dwlen + = Bi. bisizeimage; If (handle = globalrealloc (hdib, dwlen, gmem_moveable )) Hdib = handle; Else { Globalfree (hdib ); Selectpalette (HDC, hpal, false ); : Releasedc (null, HDC ); Return NULL; } Lpbi = (lpbitmapinfoheader)

Uboot Learning Five-----uboot How to start the Linux kernel

. So some uboot support zimage boot, others do not support it. But all uboot are sure to support Uimage startup.Compile kernel get uimage to start(1) The first step: if directly under the kernel to make uimage will prompt Mkimage did not find, the solution is/uboot/tool down to the copy to/usr/local/bin. Go down, copy it to the system directory, and then do Uimage can do it.Zimage Boot Details#ifdef Config_zimage_boot#define Linux_zimage_magic 0x016f2818/* Find out kernel image address */if (ARG

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