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gsdx ogl: only enable accumulation hack in HDR algo 

Goal is to reduce shader permutations and improve perf when sw blending is disabled
This commit is contained in:
Gregory Hainaut 2016-06-11 13:03:19 +02:00
parent 16c2baa0df
commit 29c97a9bf2
1 changed files with 2 additions and 1 deletions
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3
plugins/GSdx/GSRendererOGL.cpp
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@ -516,7 +516,7 @@ void GSRendererOGL::EmulateBlending(bool DATE_GL42)
// 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 |= impossible_or_free_blend;
default: sw_blending |= accumulation_blend;
default: /*sw_blending |= accumulation_blend*/;
}
// SW Blending
// GL42 interact very badly with sw blending. GL42 uses the primitiveID to find the primitive
@ -537,6 +537,7 @@ void GSRendererOGL::EmulateBlending(bool DATE_GL42)
// A fast algo that requires 2 passes
GL_INS("COLCLIP Fast HDR mode ENABLED");
m_ps_sel.hdr = 1;
sw_blending = true; // Enable sw blending for the HDR algo
} else if (sw_blending) {
// A slow algo that could requires several passes (barely used)
GL_INS("COLCLIP SW ENABLED (blending is %d/%d/%d/%d)", ALPHA.A, ALPHA.B, ALPHA.C, ALPHA.D);