Trying to read back depth from an FBO using glReadPixels fails on an AMD card

Trying to read back depth from an FBO using glReadPixels fails on an AMD card



1.opengl - Procedure for debugging glReadPixels - Stack Overflow

Description:... such as the back buffer when ... Using glReadPixels for
reading pixel data of ... Trying to read back depth from an FBO using
glReadPixels fails on an AMD card.



2.Newest 'fbo' Questions - Stack Overflow

Description:Trying to read back depth from an FBO using glReadPixels fails
on an AMD card. I have a problem reading back the depth values from an FBO
on ... I'm trying to enable ...



3.FBO and reading with glReadPixels - comp.graphics.api.opengl

Description:... before you trying to read back the ... Using glReadPixels
to read the depth ... Unable to read from AI Read I am using DAQ 6014 card
and using ...



4.Problem with FBO->PBO->main memory transfer

Description:... transfer the results from the FBO back to main ... fails
to properly execute on Ubuntu using the latest ... NULL, GL_STREAM_READ);
glReadPixels (0 ...



5.AMD_GPU_association | AMD Developer Forums

Description:I wanted to utilize WGL_AMD_gpu_association to ... However if
I call glReadPixels immediately before ... GLFrameBuffer::Usage_Depth;
declaration.push_back ...



6.Occlusion Culling with FBO+PBO+glReadPixels_async [Archive ...

Description:... (color and depth) to our FBO ... You still had to provoke
a GPU/CPU synchronization to read the data back. using FBO+PBO ... using
FBO+PBO+glReadPixels and ...



7.Request help as to why this OpenGL program fails - render ...

Description:I am new to OpenGL and have just started trying to work with
it. My goal in this program is to render a square to an offscreen buffer
using ... to reading back ...



8.FAQ :: GPGPU.org

Description:How do I read back data from the GPU ? ... Therefore trying to
concurrently read and ... Read back the texture that contains the results
to the CPU using OpenGL's ...



9.GL_DEPTH24_STENCIL8_EXT not working ok on NVidia and Intel ...

Description:... when using FBO and stencil buffers: ... I have also
checked that my card has EXT_packed_depth_stencil. ... Which AMD card were
you trying it on? Back to ...



10.Opengl | Question and Answer - Part 28

Description:I'm trying to render the brushes from a Source ... Recently I
switched from an AMD Radeon HD 6870 card to ... (Reading directly from the
depth component ...