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gsdx-tc: allow to reuse the right part of large RT as source

This commit is contained in:
Gregory Hainaut 2015-05-13 20:03:04 +02:00
parent 7ac533a4d1
commit e5326d1bd2
2 changed files with 27 additions and 8 deletions
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33
plugins/GSdx/GSTextureCache.cpp
View File

@ -92,6 +92,7 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
}
Target* dst = NULL;
bool half_right = false;
#ifdef DISABLE_HW_TEXTURE_CACHE
if( 0 )
@ -115,11 +116,20 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
{
Target* t = *i;
if(t->m_used && t->m_dirty.empty() && GSUtil::HasSharedBits(bp, psm, t->m_TEX0.TBP0, t->m_TEX0.PSM))
{
dst = t;
if(t->m_used && t->m_dirty.empty()) {
if (GSUtil::HasSharedBits(bp, psm, t->m_TEX0.TBP0, t->m_TEX0.PSM)) {
dst = t;
break;
break;
} else if ((t->m_TEX0.TBW == 20) && (t->m_TEX0.PSM == 2) && GSUtil::HasSharedBits(bp, psm, t->m_TEX0.TBP0 + 0x140, t->m_TEX0.PSM)) {
// try to detect render target bigger than 1024 Texels
half_right = true;
dst = t;
break;
}
}
}
}
@ -136,7 +146,7 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
GL_CACHE("TC: src miss (0x%x)", TEX0.TBP0);
}
#endif
src = CreateSource(TEX0, TEXA, dst);
src = CreateSource(TEX0, TEXA, dst, half_right);
if(src == NULL)
{
@ -631,7 +641,7 @@ void GSTextureCache::IncAge()
}
//Fixme: Several issues in here. Not handling depth stencil, pitch conversion doesnt work.
GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* dst)
GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* dst, bool half_right)
{
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[TEX0.PSM];
Source* src = new Source(m_renderer, TEX0, TEXA, m_temp);
@ -788,13 +798,22 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
if((sRect == dRect).alltrue())
{
m_renderer->m_dev->CopyRect(sTex, dTex, GSVector4i(0, 0, w, h));
// Note: use dstsize.x instead of w because w is limited to 1024 whereas dstsize.x could
// be bigger (1280 for snow engine games)
if (half_right)
m_renderer->m_dev->CopyRect(sTex, dTex, GSVector4i(dstsize.x/2, 0, dstsize.x, h));
else
m_renderer->m_dev->CopyRect(sTex, dTex, GSVector4i(0, 0, w, h)); // <= likely wrong dstsize.x could be bigger than w
}
else
{
sRect.z /= sTex->GetWidth();
sRect.w /= sTex->GetHeight();
if (half_right) {
sRect.x = sRect.z/2.0f;
}
m_renderer->m_dev->StretchRect(sTex, sRect, dTex, dRect, 0, linear);
}

2
plugins/GSdx/GSTextureCache.h
View File

@ -110,7 +110,7 @@ protected:
int m_spritehack;
uint8* m_temp;
virtual Source* CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* t = NULL);
virtual Source* CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* t = NULL, bool half_right = false);
virtual Target* CreateTarget(const GIFRegTEX0& TEX0, int w, int h, int type);
virtual int Get8bitFormat() = 0;