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GPU: Allow the user to set an anisotropic filtering setting below the implementation-defined value of `GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT` 

Allow the user to set an anisotropic filtering setting below the implementation-defined value of `GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT`.

This bug-fix is also needed for 2.93 LTS.

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D14392
This commit is contained in:
Ethan-Hall 2022-03-21 13:46:12 +01:00 committed by Philipp Oeser
parent e5487a81a4
commit 32284f34e3
Notes: blender-bot 2023-02-14 06:49:54 +01:00 
Referenced by issue #96241, 3.1: Potential candidates for corrective releases
1 changed files with 1 additions and 1 deletions
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source/blender/gpu/opengl/gl_texture.cc
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@ -544,7 +544,7 @@ void GLTexture::samplers_update()
float max_anisotropy = 1.0f;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &max_anisotropy);
float aniso_filter = max_ff(max_anisotropy, U.anisotropic_filter);
float aniso_filter = min_ff(max_anisotropy, U.anisotropic_filter);
for (int i = 0; i <= GPU_SAMPLER_ICON - 1; i++) {
eGPUSamplerState state = static_cast<eGPUSamplerState>(i);