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Questions tagged [ati]

ATI Technologies is a semiconductor technology company based on the development of graphics processing units and chipsets;

ATI Technologies is a semiconductor technology company based on the development of graphics processing units and chipsets; and top competitor of Nvidia.

Its original headquarters is located in Markham, Ontario, Canada; founded in 1985 as Array Technologies Inc. then succeeded by Advanced Micro Devices (AMD) in 2006.

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NVIDIA vs AMD: GPGPU performance

I'd like to hear from people with experience of coding for both. Myself, I only have experience with NVIDIA. NVIDIA CUDA seems to be a lot more popular than the competition. (Just counting question tags on this forum, 'cuda' outperforms 'opencl'…
Eugene Smith
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How to use AMD Display Library (ADL) Overdrive State Set function (for overclocking programmatically)

I'm using AMD Display Library which basically allows us to control certain parameters of the GPU (Clock Speeds / Fan control). The SDK comes with a Sample-Managed code and I was able to get the required result (Core and Memory clock speeds) from…
Basit Anwer
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What is the actual number of vertex uniform components for GLSL shader on ATI graphics card?

I'm writing a GLSL vertex shader for an iMac with a AMD Radeon HD 6970M 2048 MB graphics card: GL_MAX_VERTEX_ATTRIBS: 16 GL_MAX_VERTEX_UNIFORM_COMPONENTS: 4096 GL_VERSION: 2.1 ATI-7.12.9 GL_SHADING_LANGUAGE_VERSION: 1.20 In my shader I would like…
Alec Jacobson
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glVertexAttribDivisor and index input

guys, I am trying to make use of glVertexAttribDivisor in my OpenGL instanced drawing. It works in NV card, but it doesn't work in ATI card. Nothing is drawing. From GlExtensionViewer, it shows both of these cards supports glVertexAttribDivisor/…
giggle
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What does valgrind mean by "jump to invalid address" here?

valgrind --leak-check=full ./CH02_HelloTriangle ==11404== Memcheck, a memory error detector ==11404== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al. ==11404== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright…
Ken
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Compiling OpenCL on Ubuntu

My programming experience is about 1 year of C/C++ experience from high school, but I did my research and wrote a simple program with OpenCL a few months ago. I was able to compile and run this on an Apple computer relatively easily with g++ and the…
user492268
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Detecting the GPU with a browser and javascript

I need to find out if a user is browsing a website with the a graphics card on the webgl blacklist using Chrome: http://support.google.com/chrome/bin/answer.py?hl=en-GB&answer=1220892 Specifically, I need to know if they are using ATI cards. The…
Evanbbb
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glVertexAttribPointer on built-in vertex attributes like gl_Vertex, gl_Normal

I have to send vertex attributes using glVertexAttribPointer to shaders expecting them as built-in (gl_Vertex, gl_Color, etc.). The glVertexAttribPointer function needs to specify the index (or location) of each built-in attribute. I can do it on…
Pau Baiget
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Direct3D 11.1's target-independent rasterization (TIR) equivalent in OpenGL (including extensions)

Target-independent rasterization (TIR) is a new hardware feature in DirectX 11.1, which Microsoft used to improve Direct2D in Windows 8. AMD claimed that TIR improved performance in 2D vector graphics by some 500%. And there was some "war of words"…
Fizz
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OpenGL render difference between nVidia and ATI

Recently I updated ATI drivers (Iam using HD7970) to the newest one and some of my OpenGL project's objetcs stopped working. What is more they work on nVidia newest drivers (tested on 960m). Is there any difference between ATI and nVidia rendering…
Kedriik
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GLSL shader not working on AMD/ATI, but works on NVIDIA

I have really weird problem I cannot pin down for days now. I am making a simple per-vertex lighting and it works fine on Nvidia, but doesn't render anything shaded with lights on AMD/ATI. I tracked down the problem being something to do with…
user1214513
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Valgrind reports lots of errors when running opengl program on ATI - should I worry?

I have a very complex OpenGL application running on a embedded device with ATI graphical chip, running a RT linux. The application's part are tested with unit tests. They all pass and no memory leak or invalid access is reported. However, the…
BЈовић
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OpenCL/CPU. Test whether the OpenCL framework is available

I'm working on a hybrid OpenCL application that has to decide at run time whether to use or not to use the GPU implementation. Is there a cross platform (i.e. for intel, nvidia, and ati) way to dermine, whether the computer, where the application…
LonliLokli
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What's the difference between AMD's APP SDK and (AMD) ATI's Stream Technology?

I'm working on a project that will use an AMD GPU for processing data. I noticed AMD has two different SDKs available on their website for using the GPU: ATI Stream Technology and OpenCL™ and the AMD APP SDK. It looks like both support OpenCL but…
dwj
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How to get GPU load in percentage and GPU temperature on AMD video cards

Anyone know how get GPU load (in percentage) and GPU temperature on Radeon video cards using some API from some AMD SDK? It's looks like AGS SDK dosn't have needed API. For example NVIDIA has NVAPI, but what about AMD? Looking for solution on…
Ihor
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