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GSdx: optimizations here and there

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git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1161 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gabest11 committed 2009-05-09 08:37:02 +00:00
1 parent e10ca2ba49
commit 6ea395be4b
6 files changed
+238 -165
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plugins/GSdx/GSTextureCacheSW.cpp
+60 -38
View File
@@ -283,61 +283,83 @@ bool GSTextureCacheSW::GSTexture::Update(const GIFRegTEX0& TEX0, const GIFRegTEX
DWORD blocks = 0;
for(int y = r.top, o = pitch * s.cy; y < r.bottom; y += s.cy, dst += o)
if(tw <= (bw << 6))
{
DWORD base = psm.bn(0, y, bp, bw);
for(int x = r.left; x < r.right; x += s.cx)
for(int y = r.top, o = pitch * s.cy; y < r.bottom; y += s.cy, dst += o)
{
DWORD block = base + psm.blockOffset[x >> 3];
DWORD base = psm.bn(0, y, bp, bw);
if(block >= MAX_BLOCKS)
for(int x = r.left; x < r.right; x += s.cx)
{
continue;
DWORD block = base + psm.blockOffset[x >> 3];
if(block < MAX_BLOCKS)
{
DWORD row = block >> 5;
DWORD col = 1 << (block & 31);
if((m_valid[row] & col) == 0)
{
m_valid[row] |= col;
(mem.*rtxb)(block, &dst[x * bytes], pitch, TEXA);
blocks++;
}
}
}
}
}
else
{
// unfortunatelly a block may be part of the same texture multiple times at different places (tw 1024 > tbw 640, between 640 -> 1024 it is repeated from the next row),
// so just can't set the block's bit to valid in one pass, even if 99.9% of the games don't address the repeated part at the right side
// TODO: still bogus if those repeated parts aren't fetched together
DWORD row = block >> 5;
DWORD col = 1 << (block & 31);
for(int y = r.top, o = pitch * s.cy; y < r.bottom; y += s.cy, dst += o)
{
DWORD base = psm.bn(0, y, bp, bw);
if(m_valid[row] & col)
for(int x = r.left; x < r.right; x += s.cx)
{
continue;
DWORD block = base + psm.blockOffset[x >> 3];
if(block < MAX_BLOCKS)
{
DWORD row = block >> 5;
DWORD col = 1 << (block & 31);
if((m_valid[row] & col) == 0)
{
(mem.*rtxb)(block, &dst[x * bytes], pitch, TEXA);
blocks++;
}
}
}
}
// unfortunatelly a block may be part of the same texture multiple times at different places (when (1 << tw) > (tbw << 6), ex. 1024 > 640),
// so just can't set the block's bit to valid in one pass, even if 99.9% of the games don't address the repeated part at the right side
// TODO: still bogus if those repeated parts aren't fetched together
for(int y = r.top; y < r.bottom; y += s.cy)
{
DWORD base = psm.bn(0, y, bp, bw);
// m_valid[row] |= col;
for(int x = r.left; x < r.right; x += s.cx)
{
DWORD block = base + psm.blockOffset[x >> 3];
(mem.*rtxb)(block, &dst[x * bytes], pitch, TEXA);
if(block < MAX_BLOCKS)
{
DWORD row = block >> 5;
DWORD col = 1 << (block & 31);
blocks++;
m_valid[row] |= col;
}
}
}
}
m_state->m_perfmon.Put(GSPerfMon::Unswizzle, s.cx * s.cy * bytes * blocks);
for(int y = r.top; y < r.bottom; y += s.cy)
{
DWORD base = psm.bn(0, y, bp, bw);
for(int x = r.left; x < r.right; x += s.cx)
{
DWORD block = base + psm.blockOffset[x >> 3];
if(block >= MAX_BLOCKS)
{
continue;
}
DWORD row = block >> 5;
DWORD col = 1 << (block & 31);
m_valid[row] |= col;
}
}
return true;
}