Re: Issues with OpenGL application on Centos 6.4 with Dell M4800
When looping over the images to render, if I do a glFlush() right after drawing the mesh, everything draws correctly. Any idea why this might "fix" things and is there any downside to keeping this in...
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Rasterization Rules for Radeon 4550
Hello, I am a developer of graphics software for Windows applications. The application I am working on now uses a technique( radiosity ) that requires that I write a software rasterizer to determine...
View ArticleRe: infinite loop when compiling glsl compute shader
Hi.This bug seems to occur since Catalyst 13.4 (according to this April 2013 post)http://www.geeks3d.com/20130425/amd-catalyst-13-4-whql-released-with-new-opengl-4-3-extensions/still present in...
View ArticleRe: [CRASH] Repetable crash on glGenerateMipmap with GL_TEXTURE_3D
Hi Matius, We've figured out the problem and fixed it in our internal builds. There was some logic that was not taking depth into consideration when computing the number of mipmap levels required to...
View Article[FIXED] Repetable crash on glGenerateMipmap with GL_TEXTURE_3D
Hi everyone! I've been told this is the best place to report AMD GL driver bugs as there is no official bug tracker, but GL Driver team monitors this forum. So here it goes: When creating a 3D textures...
View ArticleHuge memory consumption on Radeon 7800 series comparing to 6970 when handling...
Hello. I need to use many non power of 2 textures as I work with live streams and videos textures. I have problem problem with a huge memory consumption on Radeon 7800 series cards (checked on 7850...
View ArticlewglGetGPUInfoAMD crashing on Radeon HD 8790M
This code is crashing our Dell Latitude E6540 running Windows 7 64-bit with driver version 13.250.18.0 (dated 11/29/2013). UINT n = wglGetGPUIDsAMD(0, 0); UINT * ids = new UINT[n]; UINT total_mem_mb =...
View ArticleRe: OpenGL Driver Bug: wglShareLists and Synchronization
So is this how bug reports work with AMD?! They sit on a forum and mold, unacknowledged? When I report a driver bug to Intel, I chat with a human being, I receive followups, and they fix the problem...
View ArticleOpenGL 4.3 compute shaders crash on some ATI cards (6970 HD and probably older)
Hello, I was looking into compute shaders and Opengl 4.3 and I made a small project to try stuff out.To my surprise I started experiencing a 100% crash on my home video card (6970 HD, a card that...
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Re: OpenGL 4.3 compute shaders crash on some ATI cards (6970 HD and probably...
Thanks for the very detailed report. We'll have an engineer look at your project and figure out what the problem is. Thanks, Graham
View ArticleReading staging video resource using DX11 video decoding on feature level 9.3...
Hi devs, I have an application that is using GPU to accelerate decoding of video content and read the decoded YUV data for further processing. It uses the relatively new set of DirectX 11.1 video...
View ArticleCatalyst 13.12 1D texture bug in OpenGL?
With previous drivers, uploading a 1D texture in order to convert another image from fixed values to RGBA (think 8 bit textures) in a pixel shader worked fine. After updating to 13.12 it no longer...
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Re: OpenGL 4.3 compute shaders crash on some ATI cards (6970 HD and probably...
I've also uploaded a dump here: https://dl.dropboxusercontent.com/u/11459878/GL_Particles_Crash_HD6970.rar Thanks.
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Re: Catalyst 13.12 1D texture bug in OpenGL?
Additional information. Code works if I change from RGB16 (GL_UNSIGNED_SHORT) to RGB8 (GL_UNSIGNED_BYTE), so problem seems to be with 1D textures using GLushort.
View ArticleCrash on R9 GPUs in IDirect3D9::CreateDevice
I am in a situation where the following code is crashing on R9s: ---------------------- D3DPRESENT_PARAMETERS present; fill_out_present(&present, width, height, should_vsync); UINT...
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OpenGL: multi-thread object creation slow/unstable performance
I'm creating my graphics resources in another thread using both D3D/GL. D3D one is pretty stable and good, but the GL one is not so good compared to D3D. Here's a brief description of what I do (on...
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Re: OpenGL: multi-thread object creation slow/unstable performance
I wouldn't recommend using "loader threads" with multiple contexts in this manner. You are correct - the driver needs to do quite a bit of extra work when it detects that there are contexts current in...
View ArticleRe: OpenGL: multi-thread object creation slow/unstable performance
ThanksUnfortunately for me, I have to implement the hard way for OpenGL.I'm still curious to know what makes Direct3D more robust in this particular case ? and why OpenGL drivers just can't create...
View ArticleOpenGL: TexStorage doesn't handle sRGB formats properly
When using TexStorage with sRGB formats, the sRGB part is ignored and the texture behaves as if it was created with the non-sRGB counterpart of the format. For example:- if I create a texture with...
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glBlitFramebuffer performance warnings
Hi,I get the following performance warnings from my glDebugMessageCallback function: glBlitFramebuffer was called with GL_COLOR_BUFFER_BIT set while there was no valid color attachment on the read...
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