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cybernoid
Adept I

How to write to a GL_SRGB8_ALPHA8 texture in a compute shader?

I create a texture as:

glTexStorage2D(GL_TEXTURE_2D, 1, GL_SRGB8_ALPHA8, 128, 128);

Then tried to bind it to a compute shader as:

glBindImageTexture

  (

  0,//unit

  texture,

  0,//level

  GL_FALSE,//layered for volume/array textures

  0, // layer

  GL_WRITE_ONLY,

  //GL_SRGB8_ALPHA8

  GL_RGBA8

  );

And I get an invalid operation error but the compute shader seemingly writes the data?  I have tried a multitude of different formats for glBindImageTexture() but can't get past such errors.  What is the correct way to write to an GL_SRGB8_ALPHA8 texture in a compute shader?

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