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gsdx-ogl: optimize fbmask setup

This commit is contained in:
Gregory Hainaut 2015-08-05 22:12:54 +02:00
parent 49b3acea72
commit 717f0fcb4d
1 changed files with 11 additions and 30 deletions
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35
plugins/GSdx/GSRendererOGL.cpp
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@ -282,38 +282,19 @@ bool GSRendererOGL::EmulateTextureShuffleAndFbmask(GSDeviceOGL::PSSelector& ps_s
} else {
ps_sel.dfmt = GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt;
om_csel.wrgba = ~GSVector4i::load((int)m_context->FRAME.FBMSK).eq8(GSVector4i::xffffffff()).mask();
GSVector4i fbmask_v = GSVector4i::load((int)m_context->FRAME.FBMSK);
int ff_fbmask = fbmask_v.eq8(GSVector4i::xffffffff()).mask();
int zero_fbmask = fbmask_v.eq8(GSVector4i::zero()).mask();
{
// FIXME GSVector will be nice here
uint8 r_mask = (m_context->FRAME.FBMSK >> 0) & 0xFF;
uint8 g_mask = (m_context->FRAME.FBMSK >> 8) & 0xFF;
uint8 b_mask = (m_context->FRAME.FBMSK >> 16) & 0xFF;
uint8 a_mask = (m_context->FRAME.FBMSK >> 24) & 0xFF;
if (r_mask != 0 && r_mask != 0xFF) {
ps_sel.fbmask = 1;
}
if (g_mask != 0 && g_mask != 0xFF) {
ps_sel.fbmask = 1;
}
if (b_mask != 0 && b_mask != 0xFF) {
ps_sel.fbmask = 1;
}
if (a_mask != 0 && a_mask != 0xFF) {
ps_sel.fbmask = 1;
}
om_csel.wrgba = ~ff_fbmask; // Enable channel if at least 1 bit is 0
if (ps_sel.fbmask && m_sw_blending) {
ps_sel.fbmask = m_sw_blending && (~ff_fbmask & ~zero_fbmask & 0xF);
if (ps_sel.fbmask) {
GL_INS("FBMASK SW emulated fb_mask:%x on %d bits format", m_context->FRAME.FBMSK,
(GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt == 2) ? 16 : 32);
ps_cb.FbMask.r = r_mask;
ps_cb.FbMask.g = g_mask;
ps_cb.FbMask.b = b_mask;
ps_cb.FbMask.a = a_mask;
ps_cb.FbMask = fbmask_v.u8to32();
require_barrier = true;
} else {
ps_sel.fbmask = 0;
}
}
}