AMD OpenGL ES 3.0 SDK
Hi,AMD please provide an updated OpenGL ES SDK supporting GL ES 3.0!seems now ogl on amd supports ARB_es3_compat extensions which effectively supports opengl es 3.0..I assume amd needs to expose...
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Re: AMD OpenGL ES 3.0 SDK
Hi, Actually, it's not that simple. Our OpenGL ES implementation is a true, native implementation that has a completely separate code path through the driver. It is not just a profile of the desktop...
View Articleinvalid gl_TessLevelOuter in evaluation shader with isolines
I'm having a problem where the value read from gl_TessLevelOuter in my tessellation evaluation shader does not match the value written by my tessellation control shader. If I pass the value as a patch...
View ArticleD3D11.x Driver Command List and Multithreading
Is there a good reason of the lack of command list and multi-threading support in D3D11.x? caps view doesn lie...tried on: HD 6970 , HD 7730M.
View ArticleIsoline tessellation does not match OpenGL 4.1 spec
On my Radeon HD 7770 with 13.4 drivers I get the following behavior with isoline tessellation: gl_TessLevelOuter[0] = stripCountgl_TessLevelOuter[1] = segmentCount This does not match the OpenGL 4.1...
View ArticleRe: invalid gl_TessLevelOuter in evaluation shader with isolines
This issue was occurring with 12.4 drivers. I updated to 13.4 and gl_TessLevelOuter can now be correctly read in the Tessellation Evaluation shader, except that now the gl_TessLevelOuter appear to be...
View ArticleProblema placa de vídeo HD 7450 / Problem HD 7450 video card
Bom dia, comprei recentemente um PC HP Pavilion (i7 / 8GB / 1 TB) com a placa de vídeo AMD Radeon HD 7450, com 1 GB de memória dedicada e até 4830 MB de memória gráfica total. Utilizo o software Adobe...
View ArticleRe: Isoline tessellation does not match OpenGL 4.1 spec
Hi, This was a spec bug in the 4.1 specification and was subsequently fixed in later versions of the OpenGL specification. The current OpenGL 4.3 specification says: The number of isolines generated is...
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Re: invalid gl_TessLevelOuter in evaluation shader with isolines
Hi, I'm glad that things work better on newer drivers. If you have any more issues, feel free to keep posting here. I did reply to the other thread. The apparently swapped tessellation factors are due...
View ArticleRe: Isoline tessellation does not match OpenGL 4.1 spec
Thanks for clarifying this. It looks like the latest 4.3 spec has been corrected in one place, but there's still a bug further on in the spec. At first it says:The number of isolines generated is...
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NV_depth_buffer_float (partial) support possible?
A bit of the background: the symmetric normalized device coordinates used by OpenGL prevent us from effectively using the reversely mapped floating point depth buffer (with far/near swapped), which...
View ArticleOpenGL Compute shaders stops rendering
This seems a bit odd, but when I upgraded to the 13.4 driver to be able to utilize compute shaders, I noticed a weird thing. The following code will perform the computation as it should, however the...
View ArticlePlease help me! AMD/ATI i2c(DDCCI) error! TKS!
I use atipdl(atipdlxx.dll) for i2c communication , But always failed !!!//=======================================================ATIDL_WriteAndReadI2C（ULONG, stATI_I2C *);typedef struct...
View ArticleD3D 11.2 map default buffer: Which APUs and GPUs supported?
D3D 11.2 introduced a cool new feature that allows you to map default buffers. This can be very useful for compute, particularly on APUs. Wondering which APUs will support this functionality? Will any...
View ArticleRe: URGENT: switchable graphics and resources sharing
I really want to stream nicely on twitch! Its becoming such a big thing that everyone is doing so its pretty terrible if AMD don't support it on their laptops.
View ArticleWhich cards support "Extended double precision"?
Direct3D has two levels of optional double precision support in shaders: Basic/default and extended. I was wondering, which AMD GPUs support extended double precision under Direct3D?
View ArticleCrossfire questions
I brought an ASrock FM2A85X Extreme 6 MOBO it comes with "AMD Radeon 7000" series graphics onboard... The processing unit is an AMD A10-5800K Trinity 3.8GHz which is an APU the GPU attached is an "AMD...
View ArticleRe: NV_depth_buffer_float (partial) support possible?
Verified that it works on AMD hardware by stepping into the disassembly of glDepthRange and skipping the clamping instructions to allow setting glDepthRange(-1, 1). With that the reverse FP depth...
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