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Re: glGetProgramResourceiv() not working in OpenGL 4.3 / 4.4
Although the question is almost a year old, I discovered it in a Google search for glGetProgramResourceiv and thought I'd post a response in case others search and find this page. I had run into the...
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Re: Re: GLSL compute shader incompatibilities
I tried once again and found that it is more an issue of the size specified when clearing the buffer than when creating it. Here I paste your modified code which doesn't work for me. unsigned int...
View ArticleRe: SSBOs in geometry shader
Okay guys, i figured out a problem. Geometry shader: layout(location = 0) in VertexData {vec2 texCoord;flat int drawId; // from vertex's gl_DrawIDARB} vert_in[]; struct ObjectData {bool someValue;};...
View ArticleSSBOs in geometry shader
Hi !When i try to access ssbo from geometry shader(i pass draw id from vertex shader) then shader cannot link: Geometry shader(s) failed to link.Geometry link error: HW_UNSUPPORTED.ERROR: Internal...
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Re: SAMPLE_ALPHA_TO_ONE shows no effect
Hello again, Does anyone have any kind of information about this issue ? Is this the right place to post about it ? After several more tests, we are now highly confident that this is a driver issue. We...
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Re: GLSL compute shader incompatibilities
I tried with the size (such as 12), It is all OK.Please be careful to check if the target, format or something other is wrong in you application, it should not be "size" problem. The issue of...
View ArticleRe: Direct State Access on Radeon 5870
Thanks that's good info the EXT appears to be working - I didn't realise that existed. And knowing that the ARB one will likely will be supported on our minimum spec Radeon 5870 means I can take the...
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Re: Direct State Access on Radeon 5870
Don't know if it helps, but, even though GL_ARB_direct_state_access isn't supported in current drivers (15.4b), GL_EXT_direct_state_access works just fine and I haven't had any compatibility issues...
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Re: Direct State Access on Radeon 5870
Ok that's good to know it's at least planned! Thank you.
View ArticleRe: Direct State Access on Radeon 5870
To answer your question explicitly, it is in the plan. I cannot saywhen, because software release schedules are notoriously fickle in this industry, and I do not want you to rely on uncertain...
View ArticleRe: Direct State Access on Radeon 5870
Sure I understand, I imagine DSA isn't a hardware restriction for it. The Radeon 5870 is a good low end target these days and from the latest drivers it halfway supports OpenGL 4.5 already, so if it...
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Re: Direct State Access on Radeon 5870
Let me see if I can dig something up. I may not be able to answer a question like "will this ever be supported." But let's find out.
View ArticleRe: Direct State Access on Radeon 5870
I have the card and it doesn't expose DSA in OpenGL, hence my question...
View ArticleRe: glMultiDrawElementsIndirect() system hangs
Hi, Yes it appears that I encountered two problems. The main one is the indirect draw buffer with a count of zero (but not all elements were zero which I think is ok), and yes the second a...
View ArticleRe: glMultiDrawElementsIndirect() system hangs
Hi, Just to be clear, it sounds like you're seeing two problems here. First is that if you have a single draw in the indirect buffer with a count of zero indices, then the GPU hangs. The second is that...
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Re: glMultiDrawElementsIndirect() system hangs
I found the cause - it seems it doesn't like a zero count of elements in the indirect draw structs for some reason? If I remove said null elements its all fine. But that's a bit worrying if I want to...
View ArticleRe: Direct State Access on Radeon 5870
This card is available for free at High performance computing on graphics processing units | hgpu.org. I think, you can test this there.
View ArticleRe: When is the next driver going to be released?
I downgraded to 14.9 and works fine now. I will check these threads every now and then to see if it is fixed in a newer release. Also, I stumped upon this news article: Steam Community :: Group...
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glMultiDrawElementsIndirect() system hangs
With the latest beta driver 15.4 on a Radeon 5870 powered laptop I have experienced system hangs consistently when drawing a zero count number of elements. I have had quite a few system hangs and...
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