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Graphics system in "original" Linux environment and AMD R600 graphics Programming (4)--AMD graphics memory management mechanism

(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

Graphics systems in "original" Linux environments and AMD R600 graphics Programming (8)--AMD graphics DRM driver initialization process

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

Graphics system in "original" Linux environment and AMD R600 graphics Programming (3)--AMD Graphics Introduction

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

Graphics system in "original" Linux environment and AMD R600 graphics Programming (5)--AMD graphics display command processing mechanism

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

Graphics system in "original" Linux environment and AMD R600 graphics programming (7)--AMD software interrupt for graphics card

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

Graphics systems in "original" Linux environments and AMD R600 graphics Programming (9)--r600 graphics 3D engine and graphics pipeline

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

Download: AMD graphics Linux Catalyst Driver 9.6

AMD (ATI) today released the 9.6 version of the Linux Catalyst Driver, with two functional improvements: support for the new version of the Linux release version (SLED, SLED 11, RHEL 4.8) and enhanced support for MultiView (Multi-head output technology ). The MultiView feature makes full use of multiple GPUs and allows you to set, manage, and use Multiview configurations. A typical application is to build a multi-screen workstation. As early as 8.8 dr

Dual video card switching settings for AMD processors and AMD independent graphics platforms

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

Graphics systems and AMD R600 graphics programming in Linux environments (1) Introduction to graphics systems in--linux environment

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

Graphics systems for "original" Linux environments and AMD graphics driver programming (1) Introduction to graphic systems in the--linux environment

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

Graphics system for "original" Linux environments and AMD graphics driver programming (2) Introduction to--framebuffer, DRM, Exa, and Mesa

: 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

Graphics system in "original" Linux environment and AMD R600 graphics programming (one-by-one)--r600 instruction set

), r7xx_alt_const (0)); shader[i++] = tex_dword1 (DST_GPR (0), dst_rel (ABSOLUTE), dst_sel_x (sq_sel_x),/* R */ Dst_sel_y (sq_sel_y),/* G */Dst_sel_z (SQ_SEL_Z),/* B */Dst_sel_w (Sq_sel_w),/* A */Lod_bias (0),Coord_type_x (tex_unnormalized), coord_type_y (tex_unnormalized),Coord_type_z (tex_unnormalized), Coord_type_w (tex_unnormalized));shader[i++] = Tex_dword2 (offset_x (0), offset_y (0), offset_z (0), sampler_id (0), src_sel_x (sq_sel_x),Src_sel_y (sq_sel_y), Src_sel_z (SQ_SEL_0), Src_sel_w

Ubuntu 14.10 (64-bit) download AMD graphics card for dual graphics switching

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

Standard AMD dual graphics notebook model dual graphics switching method

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 adjust your notebook to run your game cards (Nvidia graphics and AMD graphics cards)

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

What graphics card does AMD 870K match?

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

Intel, Nvidia, AMD graphics console Setup External display method

Because the regular Windows key +p key switches are often unable to switch to the external display, when you encounter the Windows key +p can not switch normal switching to the video card console debugging an external display attempt, if you cannot pull out the video card console for the graphics driver need to reinstall the video driver. Operation Steps: One, Intel graphics console Set external display m

Installation and troubleshooting of AMD graphics driver on Ubuntu

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

Notebook Dual graphics card switching method-AMD article

Suitable graphics card: AMD dual Graphics machine Applicable system: Win7 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 function: Speci

ATI graphics driver installed in Ubuntu12.10 AMD driver 13.1

1. Install the Dependent libraries first [plain] view plain copy print? sudo apt-get install build-essential cdbs dh-make dkms execstack dh-modaliases fakeroot libqtgui4 debhelper debconf libstd C++6 dkms libqtgui4 libelfg0 linux-headers-generic 2. If you are a 64-bit system, you need to install 32-bit Lib [plain] view plain copy print? sudo apt-get install ia32-libs-multiarch:i386 lib32gcc1 libc6-i386 sudo apt-get install ia32-libs3. Select the appropriate

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