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gsdx-ogl: Fix anisotropic filtering. 

Aniso filtering doesn't work with textureLod so use texture
(automatic_lod) instead.

Credits to KrossX.

Note: Won't work on AMD because the driver is broken.
This commit is contained in:
lightningterror 2020-11-13 20:51:18 +01:00
parent d9936dbbfb
commit a6e845088d
1 changed files with 4 additions and 2 deletions
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6
plugins/GSdx/Renderers/OpenGL/GSRendererOGL.cpp
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@ -763,12 +763,14 @@ void GSRendererOGL::EmulateTextureSampler(const GSTextureCache::Source* tex)
m_ps_ssel.triln = 0;
} else {
m_ps_ssel.biln = bilinear;
// Aniso filtering doesn't work with textureLod so use texture (automatic_lod) instead.
// Enable aniso only for triangles. Sprites are flat so aniso is likely useless (it would save perf for others primitives).
m_ps_ssel.aniso = m_vt.m_primclass == GS_TRIANGLE_CLASS ? 1 : 0;
const bool anisotropic = m_vt.m_primclass == GS_TRIANGLE_CLASS && !trilinear_manual;
m_ps_ssel.aniso = anisotropic;
m_ps_ssel.triln = trilinear;
if (trilinear_manual) {
m_ps_sel.manual_lod = 1;
} else if (trilinear_auto) {
} else if (trilinear_auto || anisotropic) {
m_ps_sel.automatic_lod = 1;
}
}