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Type: Posts; User: paulk124

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  1. Replies
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    I tested an AMD FirePro V4900 and it gives me the...

    I tested an AMD FirePro V4900 and it gives me the same compile error. It appears that no AMD video card supports multisample images.

    I opened a support ticket with AMD asking about this and they...
  2. aqnuep, thanks for your response. I think I...

    aqnuep, thanks for your response.

    I think I found the reason why I couldn't bind the texture to the image. The texture was created with the GL_DEPTH_COMPONENT format. glBindImageTexture() doesn't...
  3. Is it possible to bind a texture to an FBO and an image?

    I've created a texture with glTexImage2D. I want to bind it to an image using glBindImageTexture and bind it to an FBO using glFramebufferTexture2D. Is it allowed to have the texture bound to the...
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    1,327

    AMD card that supports multisampled images

    I have an AMD FirePro 2270 with the latest drivers supporting OpenGL 4.2. I am getting the following GLSL compile error when I try using multisample images:

    ERROR: 0:8: error(#374) Multisample...
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    I was able to find a fix for this problem....

    I was able to find a fix for this problem. Apparently the Nvidia GLSL compiler (maybe all GLSL compilers do this), optimize away certain parts of the code that it deems unnecessary (especially...
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    using spinlock to control image read/writes

    I'm working on a fragment shader to read and write to image arrays. So that only one shader invocation can access a given element in the image at once, I've implemented a spinlock image to control...
  7. How to include GLSL code in a release product

    I'm looking for a good way to include GLSL code in our C/C++ application. In the examples I've seen, the code is included in separate .glsl files. It would be inappropriate to include glsl files with...
  8. Correct, I don't want to create a window.

    Correct, I don't want to create a window.
  9. I'm using a pbuffer instead of a FBO because I'm...

    I'm using a pbuffer instead of a FBO because I'm creating an off-screen bitmap that will be saved to a file.
  10. Intel HD graphics mutlisampling problem (bug?)

    I think I've found a bug with the Intel HD graphics driver but want to confirm with this community. The problem happens with an Intel HD P4000 video adapter with their latest driver. When I enable...
  11. I tried using glDisable(GL_FRAMEBUFFER_SRGB) but...

    I tried using glDisable(GL_FRAMEBUFFER_SRGB) but it didn't fix the problem. Note that blending is not enabled. The problem happens when the edge of a triangle is downsampled from the 2x multisample...
  12. More information regarding the source of this...

    More information regarding the source of this problem. I tested my sample code on a Intel HD Graphics P4000 integrated video adapter and there is no problem. That is, for the edges of white...
  13. To visualize what is happening, I created a...

    To visualize what is happening, I created a transparent bitmap from a 32x FSAA image with a bunch of white triangles. The bitmap is drawn onto a device context with a white background. The entire...
  14. inconsistent alpha values in multisampled buffer

    I am creating a Windows bitmap from a OpenGL multisampled pbuffer with a transparent background. I am using the alpha channel to control transparency in the resulting bitmap. The problem is that the...
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