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Implemented global dynamic texture LOD selection to constrain texture memory usage within bounds

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40108
This commit is contained in:
kearwood
2012-09-26 20:07:48 +00:00
parent a39610a292
commit 63fb848da5
15 changed files with 167 additions and 79 deletions
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19
KREngine/KREngine/Classes/KRTextureManager.h
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@@ -31,7 +31,11 @@
#define KRENGINE_MAX_TEXTURE_UNITS 8
#define KRENGINE_MAX_TEXTURE_HANDLES 10000
#define KRENGINE_MAX_TEXTURE_MEM 128000000
#define KRENGINE_MAX_TEXTURE_MEM 96000000
#define KRENGINE_TARGET_TEXTURE_MEM_MAX 64000000
#define KRENGINE_TARGET_TEXTURE_MEM_MIN 32000000
#define KRENGINE_MAX_TEXTURE_DIM 2048
#define KRENGINE_MIN_TEXTURE_DIM 16
#ifndef KRTEXTUREMANAGER_H
#define KRTEXTUREMANAGER_H
@@ -49,9 +53,9 @@ public:
KRTextureManager(KRContext &context);
virtual ~KRTextureManager();
void rotateBuffers();
void rotateBuffers(bool new_frame);
void selectTexture(int iTextureUnit, KRTexture *pTexture);
void selectTexture(int iTextureUnit, KRTexture *pTexture, int lod_max_dim);
#if TARGET_OS_IPHONE
@@ -62,8 +66,14 @@ public:
KRTexture *getTexture(const char *szFile);
long getMemUsed();
long getActiveMemUsed();
int getLODDimCap();
private:
void decreaseLODCap();
void increaseLODCap();
std::map<std::string, KRTexture *> m_textures;
KRTexture *m_boundTextures[KRENGINE_MAX_TEXTURE_UNITS];
@@ -71,6 +81,9 @@ private:
std::set<KRTexture *> m_poolTextures;
long m_textureMemUsed;
long m_activeTextureMemUsed;
int m_lod_max_dim_cap;
};
#endif