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Memory: Always flush whole pages from surface cache

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This prevents individual writes touching a cached page, but which don't
overlap the surface, from constantly hitting the surface cache lookup.
This commit is contained in:
Yuri Kunde Schlesner 2016-12-14 23:44:19 -08:00
parent ec9130de8d
commit f2b9be9bd3
1 changed files with 10 additions and 0 deletions
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10
src/core/memory.cpp
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@ -357,14 +357,24 @@ void RasterizerMarkRegionCached(PAddr start, u32 size, int count_delta) {
}
}
static void RoundToPages(PAddr& start, u32& size) {
PAddr start_rounded_down = start & ~PAGE_MASK;
PAddr end_rounded_up = ((start + size) + PAGE_MASK) & ~PAGE_MASK;
start = start_rounded_down;
size = end_rounded_up - start_rounded_down;
}
void RasterizerFlushRegion(PAddr start, u32 size) {
if (VideoCore::g_renderer != nullptr) {
RoundToPages(start, size);
VideoCore::g_renderer->Rasterizer()->FlushRegion(start, size);
}
}
void RasterizerFlushAndInvalidateRegion(PAddr start, u32 size) {
if (VideoCore::g_renderer != nullptr) {
RoundToPages(start, size);
VideoCore::g_renderer->Rasterizer()->FlushAndInvalidateRegion(start, size);
}
}