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gsdx mipmap: enable fully tri-linear filtering 

(when mipmap > 1)
This commit is contained in:
Gregory Hainaut 2016-10-01 17:35:02 +02:00
parent a8a2db8eb1
commit 510eccd471
1 changed files with 13 additions and 1 deletions
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14
plugins/GSdx/GSRendererOGL.cpp
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@ -747,6 +747,7 @@ void GSRendererOGL::EmulateTextureSampler(const GSTextureCache::Source* tex)
const uint8 wmt = m_context->CLAMP.WMT;
bool complex_wms_wmt = !!((wms | wmt) & 2);
bool mipmap = m_mipmap > 1 && m_context->TEX1.MMIN > 1;
bool bilinear = m_filter == 2 ? m_vt.IsLinear() : m_filter != 0;
bool shader_emulated_sampler = tex->m_palette || cpsm.fmt != 0 || complex_wms_wmt || psm.depth;
// Don't force extra filtering on sprite (it creates various upscaling issue)
@ -874,6 +875,12 @@ void GSRendererOGL::EmulateTextureSampler(const GSTextureCache::Source* tex)
if (complex_wms_wmt) {
ps_cb.MskFix = GSVector4i(m_context->CLAMP.MINU, m_context->CLAMP.MINV, m_context->CLAMP.MAXU, m_context->CLAMP.MAXV);
ps_cb.MinMax = GSVector4(ps_cb.MskFix) / WH.xyxy();
} else if (mipmap) {
// Reuse MinMax for mipmap parameter to avoid an extension of the UBO
ps_cb.MinMax.x = (float)m_context->TEX1.K / 16.0f;
ps_cb.MinMax.y = float(1 << m_context->TEX1.L);
ps_cb.MinMax.z = float(m_lod.x); // Offset because first layer is m_lod, dunno if we can do better
ps_cb.MinMax.w = float(m_lod.y);
}
// TC Offset Hack
@ -891,7 +898,12 @@ void GSRendererOGL::EmulateTextureSampler(const GSTextureCache::Source* tex)
} else {
m_ps_ssel.biln = bilinear;
m_ps_ssel.aniso = 1;
m_ps_ssel.triln = m_context->TEX1.MMIN & 1;
if (mipmap) {
m_ps_ssel.triln = m_context->TEX1.MMIN;
m_ps_sel.manual_lod = 1;
} else {
m_ps_ssel.triln = m_context->TEX1.MMIN & 1;
}
}
// Setup Texture ressources