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CPU Performance Optimization when texture cubes are in use

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--HG--
branch : nfb
This commit is contained in:
Kearwood Gilbert
2014-04-13 19:35:23 -07:00
parent c51552838b
commit 462d0ec6e7
2 changed files with 16 additions and 16 deletions
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28
KREngine/kraken/KRTextureCube.cpp
View File

@@ -40,11 +40,12 @@ KRTextureCube::KRTextureCube(KRContext &context, std::string name) : KRTexture(c
m_min_lod_max_dim = 64;
for(int i=0; i<6; i++) {
m_textures[i] = NULL;
std::string faceName = getName() + SUFFIXES[i];
KRTexture2D *faceTexture = (KRTexture2D *)getContext().getTextureManager()->getTexture(faceName);
if(faceTexture) {
if(faceTexture->getMaxMipMap() < m_max_lod_max_dim) m_max_lod_max_dim = faceTexture->getMaxMipMap();
if(faceTexture->getMinMipMap() > m_min_lod_max_dim) m_min_lod_max_dim = faceTexture->getMinMipMap();
m_textures[i] = (KRTexture2D *)getContext().getTextureManager()->getTexture(faceName);
if(m_textures[i]) {
if(m_textures[i]->getMaxMipMap() < m_max_lod_max_dim) m_max_lod_max_dim = m_textures[i]->getMaxMipMap();
if(m_textures[i]->getMinMipMap() > m_min_lod_max_dim) m_min_lod_max_dim = m_textures[i]->getMinMipMap();
}
}
}
@@ -79,10 +80,9 @@ bool KRTextureCube::createGLTexture(int lod_max_dim)
for(int i=0; i<6; i++) {
std::string faceName = getName() + SUFFIXES[i];
KRTexture2D *faceTexture = (KRTexture2D *)getContext().getTextureManager()->getTexture(faceName);
if(faceTexture) {
if(faceTexture->hasMipmaps()) bMipMaps = true;
faceTexture->uploadTexture(TARGETS[i], lod_max_dim, m_current_lod_max_dim, prev_lod_max_dim);
if(m_textures[i]) {
if(m_textures[i]->hasMipmaps()) bMipMaps = true;
m_textures[i]->uploadTexture(TARGETS[i], lod_max_dim, m_current_lod_max_dim, prev_lod_max_dim);
}
}
@@ -105,10 +105,8 @@ long KRTextureCube::getMemRequiredForSize(int max_dim)
long memoryRequired = 0;
for(int i=0; i<6; i++) {
std::string faceName = getName() + SUFFIXES[i];
KRTexture2D *faceTexture = (KRTexture2D *)getContext().getTextureManager()->getTexture(faceName);
if(faceTexture) {
memoryRequired += faceTexture->getMemRequiredForSize(target_dim);
if(m_textures[i]) {
memoryRequired += m_textures[i]->getMemRequiredForSize(target_dim);
}
}
return memoryRequired;
@@ -119,10 +117,8 @@ void KRTextureCube::resetPoolExpiry(float lodCoverage, texture_usage_t textureUs
{
KRTexture::resetPoolExpiry(lodCoverage, textureUsage);
for(int i=0; i<6; i++) {
std::string faceName = getName() + SUFFIXES[i];
KRTexture2D *faceTexture = (KRTexture2D *)getContext().getTextureManager()->getTexture(faceName);
if(faceTexture) {
faceTexture->resetPoolExpiry(lodCoverage, textureUsage); // Ensure that side of cube maps do not expire from the texture pool prematurely, as they are referenced indirectly
if(m_textures[i]) {
m_textures[i]->resetPoolExpiry(lodCoverage, textureUsage); // Ensure that side of cube maps do not expire from the texture pool prematurely, as they are referenced indirectly
}
}
}

4
KREngine/kraken/KRTextureCube.h
View File

@@ -34,6 +34,8 @@
#include "KRTexture.h"
class KRTexture2D;
class KRTextureCube : public KRTexture {
public:
KRTextureCube(KRContext &context, std::string name);
@@ -66,6 +68,8 @@ private:
"_positive_z",
"_negative_z"
};
KRTexture2D *m_textures[6];
};