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gsdx-ogl: Use GetAlphaMinMax to limit the scope of FULL accurate blending 

Provide a massive speed up in this level.
This commit is contained in:
Gregory Hainaut 2015-08-08 08:57:06 +02:00
parent 61694013a5
commit 9f92f63194
1 changed files with 3 additions and 1 deletions
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4
plugins/GSdx/GSRendererOGL.cpp
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@ -345,7 +345,9 @@ bool GSRendererOGL::EmulateBlending(GSDeviceOGL::PSSelector& ps_sel, bool DATE_G
// Warning no break on purpose
switch (m_sw_blending) {
case ACC_BLEND_ULTRA: sw_blending |= true;
case ACC_BLEND_FULL: sw_blending |= !( (ALPHA.A == ALPHA.B) || (ALPHA.C == 2 && ALPHA.FIX <= 128u) );
case ACC_BLEND_FULL: if (!m_vt.m_alpha.valid && (ALPHA.C == 0)) GetAlphaMinMax();
sw_blending |= (ALPHA.A != ALPHA.B) &&
((ALPHA.C == 0 && m_vt.m_alpha.max > 128u) || (ALPHA.C == 2 && ALPHA.FIX > 128u));
case ACC_BLEND_CCLIP_DALPHA: sw_blending |= (ALPHA.C == 1) || (m_env.COLCLAMP.CLAMP == 0);
case ACC_BLEND_SPRITE: sw_blending |= m_vt.m_primclass == GS_SPRITE_CLASS;
case ACC_BLEND_FREE: sw_blending |= ps_sel.fbmask || impossible_or_free_blend;