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gsdx tc: merge page coverage code

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A function was already done for openCL. Use the same for others renderers
This commit is contained in:
Gregory Hainaut committed 2017-01-24 19:38:16 +01:00
1 parent 5c7c9452d6
commit d67b9cba14
5 files changed
+42 -91
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plugins/GSdx/GSTextureCache.cpp
+5 -56
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@@ -1607,6 +1607,9 @@ GSTextureCache::Source::Source(GSRenderer* r, const GIFRegTEX0& TEX0, const GIFR
{
m_p2t = r->m_mem.GetPage2TileMap(m_TEX0);
}
GSOffset* off = m_renderer->m_context->offset.tex;
m_pages_as_bit = off->GetPagesAsBits(m_TEX0);
}
}
@@ -1987,13 +1990,10 @@ void GSTextureCache::SourceMap::Add(Source* s, const GIFRegTEX0& TEX0, GSOffset*
return;
}
// Remaining code will compute a list of pages that are dirty (in a similar fashion as GSOffset::GetPages)
// (Maybe GetPages could be used instead, perf opt?)
// The source pointer will be stored/duplicated in all m_map[array of pages]
s->m_pages_ptr = GetPagesCoverage(TEX0, off);
for(size_t i = 0; i < countof(m_pages); i++)
{
if(uint32 p = s->m_pages_ptr[i])
if(uint32 p = s->m_pages_as_bit[i])
{
list<Source*>* m = &m_map[i << 5];
auto* e = &s->m_erase_it[i << 5];
@@ -2014,56 +2014,6 @@ void GSTextureCache::SourceMap::Add(Source* s, const GIFRegTEX0& TEX0, GSOffset*
}
}
uint32* GSTextureCache::SourceMap::GetPagesCoverage(const GIFRegTEX0& TEX0, GSOffset* off)
{
// Performance note:
// GSOffset is a hash lookup of the following parameter TB0, TBW, PSM
// Coverage adds TW and Th (8bits). Therefore GSOffset was extended with a small array.
// Avoid the hash map overhead (memory and lookup)
int index = (TEX0.u64 >> 26) & 0xFF;
if (off->coverages[index])
return off->coverages[index];
// Aligned on 64 bytes to store the full bitmap in a single cache line
uint32* pages = (uint32*)_aligned_malloc(MAX_PAGES/8, 64);
off->coverages[index] = pages;
((GSVector4i*)pages)[0] = GSVector4i::zero();
((GSVector4i*)pages)[1] = GSVector4i::zero();
((GSVector4i*)pages)[2] = GSVector4i::zero();
((GSVector4i*)pages)[3] = GSVector4i::zero();
// Remaining code will compute a list of pages that are dirty (in a similar fashion as GSOffset::GetPages)
// (Maybe GetPages could be used instead, perf opt?)
// The source pointer will be stored/duplicated in all m_map[array of pages]
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[TEX0.PSM];
GSVector2i bs = (TEX0.TBP0 & 31) == 0 ? psm.pgs : psm.bs;
int tw = 1 << TEX0.TW;
int th = 1 << TEX0.TH;
for(int y = 0; y < th; y += bs.y)
{
uint32 base = off->block.row[y >> 3];
for(int x = 0; x < tw; x += bs.x)
{
uint32 page = (base + off->block.col[x >> 3]) >> 5;
if(page < MAX_PAGES)
{
pages[page >> 5] |= 1 << (page & 31);
}
}
}
return pages;
}
void GSTextureCache::SourceMap::RemoveAll()
{
for_each(m_surfaces.begin(), m_surfaces.end(), delete_object());
@@ -2092,10 +2042,9 @@ void GSTextureCache::SourceMap::RemoveAt(Source* s)
}
else
{
// Mirror of GetPagesCoverage
for(size_t i = 0; i < countof(m_pages); i++)
{
if(uint32 p = s->m_pages_ptr[i])
if(uint32 p = s->m_pages_as_bit[i])
{
list<Source*>* m = &m_map[i << 5];
auto* e = &s->m_erase_it[i << 5];