Re: Compute & Image Ops: MemoryBarrier not working
layout(binding=0, rgba32f) uniform image2DRect data; Should supposedly work better like this:layout(location=0, rgba32f) uniform image2DRect data;But yes, glMemoryBarrier doesn't quite seem to work. I...
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hello there .. I have a note book with AMD radeon HD 7600M when I put it on high performance for a game a black line interrupts my screen and I can't play ..when I put it on power saver it works...
View ArticleRadeon direct hardware programming
Hi all, I have a question. I have to code a simple rotating cube on lcd using Radeon (HD4xxx series). I bought a PCI - E system architecture book. I read an AMD manuals (instruction set, register...
View ArticleRe: Radeon direct hardware programming
Hi. Well, this is an extremely complicated project. Maybe this helps you to get a bit further -> http://www.x.org/docs/AMD/R6xx_R7xx_3D.pdfBut I don't know how can you get the card to present the...
View ArticleRe: OpenGL Compute Shader 13.4 Driver Crash/Restart Win7 64bit
That's strange, the spec explicitly says to use "binding" and not "location" in 4.4.6.2 (which points to 4.4.5).Also, GL_ARB_shader_image_load_store specification tells: - Data written to image...
View ArticleA prblem of OpenGL shader transferring from NV GTX 650 to ATI HD 7950
I transferred a opengl shader from NV card to ATI card. However it encouters a problem. Who can tell me why? Thanks.Vertex Shader:attribute dvec3 myvertex;void main(){ vec4 pos;pos.x = myvertex.x;pos.y...
View ArticleRe: Radeon direct hardware programming
I saw manual at http://www.x.org/docs/AMD/R6xx_R7xx_3D.pdf, but it will be helpful after i learn to talk directly to the GPU. I have an idea: define some assembler instructions on avr and patch my code...
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Re: Radeon direct hardware programming
Hi, What you're looking at here is really, really hard. However, don't let that discourage you. My advice would be to go look at the code for the Open Source Radeon driver, including the kernel mode...
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Eyefinity in ADLSDK
I can't find any descirption on the two functions of ADL_Display_SLSMiddleMode_Set () and ADL_Display_SLSMiddleMode_Get () in ADL_SDK, so who can tell me any related information?
View ArticleRe: OpenGL Compute Shader 13.4 Driver Crash/Restart Win7 64bit
Well I used imagestore in the compute pass, but a simple texture() in the displaying pass, so I guess no barriers are required, but I'll try if it crashes with imageload.As for the binding vs location,...
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Re: OpenGL Compute Shader 13.4 Driver Crash/Restart Win7 64bit
I tried it out on NVIDIA hardware (imagestore and a texture sample afterwards) and it worked without the barrier. But be warned, it's different hardware and in my pipeline there are multiple stages, so...
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Qt application throwing procedure not found on AMD GPU machines
I'm developing a Qt application at work right now and we've somewhat accidentally stumbled on an issue when trying to run it on machines with AMD graphics cards. We built Qt originally on my dev box...
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OpenGL Sampler Object problem
According to the OpenGL specification for sampler objects, the following applies: "If a sampler object and a texture object are simultaneously bound to the same texture unit, then the sampling state...
View ArticleRe: Problems getting WGL_NV_DX_interop to work on AMD
OK, so I've had to ship a version of our software to our customers with AMD black-listing for the fast-path of our OpenGL -> WPF blitting. I'd really like to avoid having to ship further versions...
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OpenGL Compute Shader BSOD
Hi again! I've been experimenting with compute shaders and explicit image format bindings and ran into somewhat of a problem. I know my usage is incorrect, but it still shouldn't cause a BSOD. First I...
View ArticleHigh GPU present times with simple scenes (Win7, GPUView, ATI Radeon)
I have an application where very low latency is very important. I have a windowed scene that is ~1800 x 1100 pixels, and simply clearing a 10x10 area of it and calling D3D9's Present(). Using GPUView,...
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[DirectX9]use StretchRect to copy MSAA depth buffer to normal depth buffer
I've searched forum before posting this since it's quite possible someone must have encountered the same problem. Here is the link I found with similarity:...
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AMD FirePro v3900 rendering .NET 4.0 (Graphics render poorly)
(Originally posted in the wrong area, so I moved this question to here because it seems like the correct location [Original post in Gaming and Support]) So I am designing a WPF application using .NET...
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OpenGL4.3 Driver : voxel cone tracing is too slow
Hello All, I am wondering why voxel cone tracing demo is too slow on HD7900 with AMD's openGL 4.3 driver.I have tried following voxel cone tracing demo. Voxel Cone Tracing Global Illumination in OpenGL...
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Re: OpenGL4.3 Driver : voxel cone tracing is too slow
HD7900 has enough 3GB memory , enough 32CUs, I wonder why. I guess some matters.- nvidia GPU's branch granularity is half size of amd GPU? (32 threads warp vs 64 threads wavefront) many branche...
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