Earlier graphics cards were only used for display, and then 2D acceleration components were added to the graphics card, which were used for the operation of the screen, draw points, draw lines, and so on. With the need of game, three-dimensional simulation and scientific computing visualization, the demand for 3D is gradually increasing, the early drawing work is done by the CPU, to achieve realism and real
queue.The 2703 line involves the fence mechanism, which we'll cover in detail in the interrupt mechanism section.The same code that reads the indirect buffer mechanism is not too difficult.Indirect buffer to be able to function properly, it must be inserted into the code of the ring buffer, which is similar to inserting a "call xx" directive into the assembly code for function calls. The command added by the Radeon_ring_ib_execute function is equivalent to the call instruction used when the fun
scratch register will tell you which interrupt was generated by the drawing command.The fence interrupt handler function is radeon_fence_poll_locked. First read the fence number, know that the fence operation caused the interruption, when the resulting interrupt fence number is the last number, you need to assign the last fence number to the current number, while updating the fence timer. If the interrupt is not the last fence number, the timer needs to be judged and then the fence interrupt qu
(ret) {fprintf (stderr, "failed to retreive buffer stride:%s\n", Strerror (-ret));Kms_bo_destroy (BO);return NULL;21}ret = Kms_bo_map (bo, virtual);if (ret) {fprintf (stderr, "failed to map buffer:%s\n", Strerror (-ret));Kms_bo_destroy (BO);+ Return NULL;27}return Bo;This code is similar to the code in the kernel, and the reader should be able to understand its meaning based on the function name of the called function. To write a complete program, you can refer to the LIBDRM source code or the
The previous blogs have described some of the DRM drivers, graphics card memory management mechanisms, and interrupt mechanisms, and it should be much easier to read the AMD DRM-driven initialization process.Here is an article written by an AMD developer (put it here for the time being, and then add your own view later).Understanding GPUs from the ground upI get
memory. The complete program that can run on R600 consists of two parts: a program that runs on the host (CPU), a program running on the R600 processor, part of the program called the shader program when processing graphics applications, and a program called Kernel when the GPU is used for general computing.Figure 1This section is all from the AMD manual "R600 instruction Set Architecture".2. R600
Tags: TAC also need txt subject article HTML Linux kernel mechanism heightExt.: https://www.cnblogs.com/shoemaker/p/linux_graphics01.html In the Linux/unix environment, the earliest graphics system is xorg graphics system, xorg graphics system through the expansion of the way to adapt to graphics and desktop
Knowledge Point Analysis:
Common "double A platform" models are:G485, Y485, S415, S405, S435, Bxx-45, Gxx-45, Nxx-45 and other models
Test Platform:S415 Touch, Cpu:amd a4-5000m (HD 8330); GPU:AMD Radeon 8570M
Operation steps:
1, right click on the desktop, select "Configure interchangeable display card";
2, open AMD CCC, click on "All Applications", where you can individually switch control of a single process video card settings;
3
In the Linux/unix environment, the earliest graphics system is xorg graphics system, xorg graphics system through the expansion of the way to adapt to graphics and desktop graphics development needs, but with the development of hardware and software, especially the developme
: rectangular Fill (Solid), copy-screen operation (COPY/BLT), and mixed operation (Composite).The XFREE86 server 4.x Design (DRAFT) Article details the interfaces that the xorg driver needs to provide, and the Exa driver is added and compiled into the xorg drive in the form of an extension. In the following blog post will introduce the Exa driver interface, and use the Radeon Exa driver to describe the graphics driver programming process.4.3D DriveIn
This article was written according to a video tutorial on YouTube, address https://www.youtube.com/watch?v=TUodM-UGU1gFirst describe the author notebook configuration:System Ubuntu 14.10Graphics AMD Radeon HD 7650MThe remaining versions have not been tried,Tutorial Start:1 First download http://support.amd.com/zh-cn/download/desktop?os=Linux%20x86_64 on AMD official website2 after the download is done, unzi
Operation Steps:
Suitable graphics card: AMD dual Graphics machine
Applicable system: Windows 7
The first video card hardware switch machine, please refer to the manual, to determine the card switch in the open position, and the correct installation of the video card driver, see the following Turielle switch dual graphics
How to set up the NVIDIA graphics card
1. Right click on the desktop to select Nvidia control Panel;
2. "3D setting"---"To adjust the image settings by previewing"---"Use my preferences, focusing on"---"Performance---" Application ";
3. If the game still feels there will be cotton can choose to "Manage 3d settings"-"Maximum number of pre-render frames";
Manually reduce the number of pre
AMD 870K is the new Rate II four core processor introduced by AMD this year, due to the shielding of the core graphics card, when installed, must be paired with a discrete graphics card for normal use. What is the appropriate graphics card for the
The AMD graphics card driver on Linux is not as friendly as it is on Windows, but it is always updated by supporters from the 2000 series. Go to the AMD official website to download a Linux-based graphics card driver (note that it is 32/64 bits). If you used to set or attach a video card driver to the system, first go
Editor's note: Install the Ubuntu graphics card driver with caution. Please note that this article is only for reference. After Ubuntu12.10 is installed, everything runs normally and the video card cannot be restored when it is suspended for standby. When you install the Ubuntu automatic ati/amd open-source driver, everything on the desktop may go wrong. A blank piece of unity won't be started, if Ubuntu12.
There are many methods on the Internet, but there are not many solutions for AMD graphics cards, so I want to write a tutorial on AMD graphics cards today. First, go to this URL to download some software ., Note: This website is for Ubuntu 64-bit systems. For 32-bit users, select 32-bit file downloads. Which files? The
Models that use the AMD Graphics Firefight technology experience a lag in the normal operation of a large 3D game.
Cause Analysis:
This phenomenon occurs because the game is not compatible with the co-operating technology of AMD Dual Graphcis dual graphics cards.
Solution:
First, right-click any blank location on t
UbuntuLinux install and uninstall the AMD official graphics card driver before installation, please first confirm that you have uninstalled the driver installed in the system. System settings- gt; attach the driver and then remove the current driver. Go to the AMD official website and select the appropriate driver:
Install and uninstall the
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