Re: AMD HD3D broken
Did you ever get anywhere with this? I'm having the same problem, and so are several other people I've come across looking for a resolution. TriDef.com • View topic - 1-frame lag between the eyes, AMD...
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glMultiDrawArrays bug!
This method "glMultiDrawArrays" isn't working properly with the AMD drivers (the same problem occurs with every AMD driver regardless of the operating system 32-64 bit, not including Linux), compared...
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How to start a game of 4*1 display mode automatilly using eyefinity
I have meet some trouble when using eyefinity. The game's display mode is 4*1. It can work actually. But if I change one of the 4 monitors, the game cannot start automatilly. I must configure the...
View ArticleA10 GPU Throttling and CCC control issue.
I have build several test machines based around AMD A10-7800 and A10-7850 APUs targeting high density realtime graphics rendering.We love the machines, except for one apparent issue which is driving my...
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Re: AMD HD3D broken
AMD has not fixed the issue yet although I posted here in the developer board, contacted customer support and filled in the driver feedback form. They don't seem to have any interest in getting their...
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glGetTexLevelParameter returns generic compressed format
Hello, We have been using texture compression with simple caching for quite a while according to the following procedure:a. if cache file doesn't exist1. upload the uncompressed image with...
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How to model refraction of light inside thick armored glass properly?
Dear ladies and gentlemen, There is an issue in 3D Engines of Flight simulators, rendering the correct view for the pilot. We need to find a way to do show proper refractive optics in our 3D-Engine...
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Re: The single worst problem in mantle i came across so far
Another point is that it is impossible to implement opengl-style bindless textures on top of mantle's descriptor sets. But the AMD hardware can do it for sure because otherwise AMD's opengl drivers...
View ArticleRe: Re: Re: glMapBuffer and secondary thread problem
You cannot use mapped buffer as source for glDraw* calls in OpenGL 3.3 (version "330" is specified in Your GLSL code). Change Your code to: // Map buffer before update float* data =...
View ArticleSetMaximumFrameLatency has no effect on HD 7970
Hello I've discovered that IDXGIDevice1::SetMaximumFrameLatency has no effect on HD 7970 (drivers 14.7), result is S_OKCan I force it to work somehow? or is there any other method to explicitly set...
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glMultiDrawArraysIndirect and CPU overhead (software emulation in AMD drivers...
Hi, I'm having strange results using glMultiDrawArraysIndirect : the CPU usage is really really high for such a function (around 60% CPU core), and increase with the number of primitive to draw...
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Driver 14.9 gives R6025 pure virtual function calls
After updating to the drivers from Catalyst 14.9 I am getting not completely reproducible crashes. When calling SwapBuffers I sometimes get an "R6025 - pure virtual function call". The stack trace...
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Re: glGetTexLevelParameter returns generic compressed format
The query is supposed to give you the actual internal format used, not a generic one. That said, I would not rely on the driver to do your texture compression for you.
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Re: glProgramBinary crashes in 14.3 driver
Hi I have the same issue. Whenever I upgrade to the latest AMD driver my shader binaries, which are compiled with an older driver package, crash. Is there any proper way how to handle that issue? My...
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Problem drawing aliased lines when MSAA is enabled and using DirectX11
Hello Everyone,Not sure if this forum is the right place to post but it seems to me that the root of the problem is in DX11 implementation of ATI drivers.Our team is developing 3D application based on...
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Several OpenGL bugs
Where can I report developer-type bugs in AMD OpenGL/OpenCL drivers? "AMD Issue Reporting Form" linked from driver download section looks like created to gather feedback from regular users about...
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GL_ARB_shader_storage_buffer_object ".length()" for unsized arrays returns...
I am using OpenGL 4.3 core profile to do various things in OpenGL under Linux. I am having trouble when using shader storage buffers where the last component of a shader storage block is an unsized...
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[D3D11] DrawInstancedIndirect slower than DrawInstanced with the same...
Hi everyone. I'm drawing a lot of geometries in one draw call using the DrawInstanced function, and I wanted to add GPU culling.My first step was to use the DrawInstancedIndirect function, with an...
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Performance issues with glBufferSubData.
Hi! I have recently implemented a system which allows our game engine to use persistent and coherently mapped buffers using OpenGL. While this gives a massive speed boost when it comes to mapping...
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