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gsdx ogl: only enable the alternate alpha test in FB_ONLY 

RGB_ONLY requires to handle the alpha channel in the alpha test
This commit is contained in:
Gregory Hainaut 2016-08-15 11:20:38 +02:00
parent 2700f06fe7
commit b62859ffa2
1 changed files with 4 additions and 1 deletions
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5
plugins/GSdx/GSRendererOGL.cpp
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@ -1293,8 +1293,11 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
// Depth test is always true so it can be executed in 2 passes (no order required) unlike color.
// The idea is to compute first the color which is independent of the alpha test. And then do a 2nd
// pass to handle the depth based on the alpha test.
bool ate_all_color_then_depth = ate_first_pass & ate_second_pass & (m_context->TEST.AFAIL != AFAIL_ZB_ONLY) & (m_om_dssel.ztst == ZTST_ALWAYS);
bool complex_ate = ate_first_pass & ate_second_pass;
bool ate_all_color_then_depth = complex_ate & (m_context->TEST.AFAIL == AFAIL_FB_ONLY) & (m_om_dssel.ztst == ZTST_ALWAYS);
if (ate_all_color_then_depth) {
GL_INS("Alternate ATE handling: ate_all_color_then_depth");
// Render all color but don't update depth
// ATE is disabled here
m_om_dssel.zwe = false;