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Questions - opengl-es-3.1

Is there a way to determine GPU warp/wavefront/SIMD width on Android?

My question is similar to the question "OpenCL - How to I query for a device's SIMD width?", but I'm wondering whether there's any way to do this outside of OpenCL, CUDA, or anything else th...
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FilmCoder

opengl-es

gpu

gpgpu

opengl-es-3.1

Votes: 0

Answers: 1

Latest Answer

For OpenGL ES if the implementation supports the OpenGL ES KHR_shader_subgroup extension you can use glGetIntegerv(SUBGROUP_SIZE_KHR) to get the subgroup size. https://www.khronos.org/registry/OpenGL...
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solidpixel

Why Compute Shader is slowing down the rendering API calls?

I am using compute shader to process the input buffer data and store it as output texture using imagestore(). After executing the compute shader, I have 3 render calls sequentially. Compute Shader Cod...
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Arun AC

opengl-es

shader

compute-shader

opengl-es-3.1

Votes: 0

Answers: 1

Latest Answer

The compute shader does not slow down the subsequent draw call. However, the compute shader itself takes some time to execute. Since you are setting a memory barrier, the subsequent draws have to wait...
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Rabbid76

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