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VideoCommon: create native texture pool

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We often need the same native texture objects for new textures. This commit
try to avoid destroying and creation of this textures by pooling them.

This should be a big performance gain for some efb2ram games as they may
overwrites partially a cached texture (which would be deleted) and afterwards
try to read it.

Creating/destroying sounds like an easy task, but it isn't. eg the nvidia ogl
driver synchonize their threads do avoid use-after-free issues.
This commit is contained in:
degasus
2013-11-04 23:35:19 +01:00
parent f4056978c8
commit 6cece6b486
2 changed files with 86 additions and 12 deletions
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6
Source/Core/VideoCommon/Src/TextureCacheBase.h
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@ -121,8 +121,12 @@ private:
static void DumpTexture(TCacheEntryBase* entry, unsigned int level);
typedef std::map<u32, TCacheEntryBase*> TexCache;
static TexCache textures;
static TCacheEntryBase* GetPooledTexture(u32 width, u32 height, u32 full_format, u32 maxlevel, bool isEfbCopy);
static void PoolTexture(TCacheEntryBase *entry);
typedef std::multimap<std::pair<u32,u32>, TCacheEntryBase*> TexPool;
static TexPool texPool;
// Backup configuration values
static struct BackupConfig