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Non power of 2 textures real size
Hello, I have a question regarding non power of 2 textures. Suppose, I am creating RGBA8 texture of size 150x320.Is there a way to know how much memory will it take? Will it be padded? If yes then how...
View ArticleHow to store an array into a texture and sampler the texture in vertex shader...
I'm a new learner about OpenGL and GLSL. I'm coding a program in which i wanna store a group of datas in a texture and get the data by sampling the texture in vertex shader. Then i want to set the...
View ArticleRe: How to store an array into a texture and sampler the texture in vertex...
the problem is solved at here.
View ArticleRe: WGL_ARB_create_context
You don't need to create a version 1,0 context. (which is apparently not even possible) to use 1.x features. Passing no flags at all should give you a compatibility context which will handle your 1.1...
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Mach banding when sampling textures on AMD hardware
Is AMD hardware interpolating textures as 8-bit values? Because we have some issues when sampling textures across bigger surfaces. I can provide some screenshots and example code that causes the issue....
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Re: WGL_ARB_create_context
exact, thanks for your answer Il 08/04/2014 13.30, eodabash ha scritto:> AMD Developer Forums <http://devgurus.amd.com/?et=watches.email.thread> > WGL_ARB_create_context in /Graphics...
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Problem with OpenGL double precision geometry on Radeon HD 7*
We're rendering geometry with double precision vertex attributes (ARB_vertex_attrib_64bit + ARB_gpu_shader_fp64 stuff). and we're running into a problem only on Radeon cards where when drawing two...
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Why do I not get more Opengl handles with additional cards.
My questions are: What determines the number of contexts that OpenGL can create and is there any way to boost this value. Also, why doesn't having 3 cards help. Here is the situation: I am working on a...
View ArticleOpenGL: Best way to stream buffer data on OSX?
Hello all, I'm working on optimizing an existing established engine to run well on a target of OSX OpenGL 3.2.The best performing code I've found so far is creating relatively large (1-4MB) fixed sized...
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ATI / AMD depth texture issues when using GL_DEPTH_COMPONENT
Hello, for some reason my ATI Radeon HD 5850 seems to have problems with... GL_DEPTH_COMPONENT16GL_DEPTH_COMPONENT24GL_DEPTH_COMPONENT32GL_DEPTH_COMPONENT When I create an FBO with only a depth texture...
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Re: Problem with OpenGL double precision geometry on Radeon HD 7*
Just to confirm I ran into the same problems on a FirePro V7800.
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Video card XFX AMD Radeon HD 6670 problems with the framework 4.xx
I have my PC with the following:Computer1 video card XFX AMD Radeon HD6670 GDDR5 128 -bit, PCI- Express 2.1 x16 interface . Technologies: AMD Eyefinity , AMD CrossfireX , AMD PowerPlay .2 Motherboard...
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Re: URGENT: switchable graphics and resources sharing
FYI. Doesn't depend if issue was solved or not - our solution is work around while bug is still present. First of all, to identify all these systems main requirement is to have all these systems (how...
View ArticleRe: URGENT: switchable graphics and resources sharing
Enduro laptop with 7670M + Intel HD 4000. Win8 64-bit. Tried official laptop driver, and latest AMD mobility driver 13.251.0.0 (amd tool installed this one).Only iGPU -> iGPU surfaces sharing works....
View ArticleWindows 8.1 Neuinstallation AMD Grafikkarten Treiber (Schwarzes Flimmern)
Guten Tag, also ich habe jetzt von Windows 7 auf 8.1 gewechselt.Ich besitze den Laptop: Asus X73B So es hat alles super geklappt nur jetzt habe ich immer ein schwarzes flimmern (dünner streifen) und...
View ArticleRe: Windows 8.1 Neuinstallation AMD Grafikkarten Treiber (Schwarzes Flimmern)
Hi Philipp Petermann, Hi, This forum is for developers. You need to post your question in the AMD support forum: http://forums.amd.com/game/ In German from Google Translate: Hallo, dieses Forum für...
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Big slowdown when binding a renderable cubemap as shader resource
Hi,I am encoutering a very strange issue with big renderable cubemaps with mipmaps. I'm rendering to cubemaps with mipmaps only once, and then use them every frame (without re-rendering them). But only...
View ArticleGL 4.4.12874 Transform feedback
Hi, These queries appear to be broken: glGetProgramInterfaceiv(PrgName, GL_TRANSFORM_FEEDBACK_BUFFER, GL_MAX_NUM_ACTIVE_VARIABLES, &nVar);glGetProgramInterfaceiv(PrgName,...
View Articlefglrx 13.35.5 / Ubuntu 14.04 black screen / low graphics mode on logout
Since updating Ubuntu from 13.10 to 14.04.If log out from session, get black screen and the "low graphics mode" dialog, sometimes with cursor, sometimes without.Happens only when logout, and the driver...
View ArticleRe: GL 4.4.12874 Transform feedback
Hi, Thanks for the report. We'll look into it. As for the GLSL version report - yes, that's just a reporting bug. GLSL 440 is fully supported and shaders using #version 440 should work. We'll get a fix...
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