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GSdx-ogl: limit accurate sprite blending to smaller draw call 

Completely restore speed in Zone of Ender

Fix #1093
This commit is contained in:
Gregory Hainaut 2016-01-22 09:07:35 +01:00
parent 3ea98b0c00
commit 3f3141c186
1 changed files with 4 additions and 1 deletions
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5
plugins/GSdx/GSRendererOGL.cpp
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@ -389,7 +389,10 @@ bool GSRendererOGL::EmulateBlending(GSDeviceOGL::PSSelector& ps_sel, bool DATE_G
sw_blending |= (ALPHA.A != ALPHA.B) &&
((ALPHA.C == 0 && m_vt.m_alpha.max > 128) || (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;
// Initial idea was to enable accurate blending for sprite rendering to handle
// correctly post-processing effect. Some games (ZoE) use tons of sprites as particles.
// In order to keep it fast, let's limit it to smaller draw call.
case ACC_BLEND_SPRITE: sw_blending |= m_vt.m_primclass == GS_SPRITE_CLASS && m_drawlist.size() < 100;
case ACC_BLEND_FREE: sw_blending |= (ps_sel.fbmask && !m_unsafe_fbmask) || impossible_or_free_blend; // blending is only free when we use slow fbmask
default: sw_blending |= accumulation_blend;
}