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OGL: speed up the EFB cache 

gcc doesn't optimize this loops with -O2, so using memset now.
A flag to skip the clear funktion was added as the cache is already cleared most of the time.
This commit is contained in:
degasus 2014-06-05 10:12:05 +02:00
parent 40031c9a72
commit 9566dcf0da
1 changed files with 8 additions and 5 deletions
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13
Source/Core/VideoBackends/OGL/Render.cpp
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@ -110,6 +110,7 @@ static const u32 EFB_CACHE_RECT_SIZE = 64; // Cache 64x64 blocks.
static const u32 EFB_CACHE_WIDTH = (EFB_WIDTH + EFB_CACHE_RECT_SIZE - 1) / EFB_CACHE_RECT_SIZE; // round up
static const u32 EFB_CACHE_HEIGHT = (EFB_HEIGHT + EFB_CACHE_RECT_SIZE - 1) / EFB_CACHE_RECT_SIZE;
static bool s_efbCacheValid[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT];
static bool s_efbCacheIsCleared = false;
static std::vector<u32> s_efbCache[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT]; // 2 for PEEK_Z and PEEK_COLOR
int GetNumMSAASamples(int MSAAMode)
@ -615,6 +616,7 @@ Renderer::Renderer()
}
}
UpdateActiveConfig();
ClearEFBCache();
}
Renderer::~Renderer()
@ -882,11 +884,11 @@ void Renderer::SetColorMask()
void ClearEFBCache()
{
for (u32 i = 0; i < EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT; ++i)
s_efbCacheValid[0][i] = false;
for (u32 i = 0; i < EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT; ++i)
s_efbCacheValid[1][i] = false;
if (!s_efbCacheIsCleared)
{
s_efbCacheIsCleared = true;
memset(s_efbCacheValid, 0, sizeof(s_efbCacheValid));
}
}
void Renderer::UpdateEFBCache(EFBAccessType type, u32 cacheRectIdx, const EFBRectangle& efbPixelRc, const TargetRectangle& targetPixelRc, const u32* data)
@ -916,6 +918,7 @@ void Renderer::UpdateEFBCache(EFBAccessType type, u32 cacheRectIdx, const EFBRec
}
s_efbCacheValid[cacheType][cacheRectIdx] = true;
s_efbCacheIsCleared = false;
}
// This function allows the CPU to directly access the EFB.