251 lines
8.7 KiB
C++
251 lines
8.7 KiB
C++
/************************************************************************
|
|
* Copyright (c) 2005-2007 tok@openlinux.org.uk *
|
|
* *
|
|
* This software is provided as-is, without any express or implied *
|
|
* warranty. In no event will the authors be held liable for any *
|
|
* damages arising from the use of this software. *
|
|
* *
|
|
* Permission is granted to anyone to use this software for any purpose, *
|
|
* including commercial applications, and to alter it and redistribute *
|
|
* it freely, subject to the following restrictions: *
|
|
* *
|
|
* 1. The origin of this software must not be misrepresented; you must *
|
|
* not claim that you wrote the original software. If you use this *
|
|
* software in a product, an acknowledgment in the product documentation *
|
|
* would be appreciated but is not required. *
|
|
* *
|
|
* 2. Altered source versions must be plainly marked as such, and must *
|
|
* not be misrepresented as being the original software. *
|
|
* *
|
|
* 3. This notice may not be removed or altered from any source *
|
|
* distribution. *
|
|
************************************************************************/
|
|
#include <iostream>
|
|
#include <limits>
|
|
#include <sstream>
|
|
#include "gl_texturecache.h"
|
|
#include "log.h"
|
|
|
|
namespace OpenGL {
|
|
template <typename key_type>
|
|
TextureCache<key_type>::TextureCache(const char* with_name) : m_name(with_name) {
|
|
instance_id = instance_count++;
|
|
clearMagic = 0;
|
|
has_cached_query = false;
|
|
last_query_result = 0;
|
|
minClearElements = 50;
|
|
}
|
|
template <typename key_type>
|
|
TextureCache<key_type>::TextureCache() {
|
|
instance_id = instance_count++;
|
|
std::ostringstream stream;
|
|
stream << "TextureCache_" << instance_count;
|
|
m_name = stream.str();
|
|
has_cached_query = false;
|
|
clearMagic = 0;
|
|
minClearElements = 50;
|
|
}
|
|
|
|
template <typename key_type>
|
|
TextureCache<key_type>::~TextureCache() {
|
|
unsigned int ts = cached.size();
|
|
clearAll();
|
|
INFO << m_name << " exited - " << ts << " textures recycled" << std::endl;
|
|
m_name.clear();
|
|
instance_count--;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::clearAll() {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.begin();
|
|
while (i != cached.end()) {
|
|
GLuint tid = (i->second->texId);
|
|
glDeleteTextures(1, &tid);
|
|
delete i->second;
|
|
i++;
|
|
}
|
|
cached.clear();
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::status() {
|
|
std::cout << "* " << m_name << " status: " << cached.size() << " textures total" << std::endl
|
|
<< "position = game_id : usage_count" << std::endl;
|
|
printStats();
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::sink() {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.begin();
|
|
while (i != cached.end()) {
|
|
if (i->second->refCount <= 1)
|
|
i->second->refCount = 0;
|
|
else if (i->second->refCount < _max_4)
|
|
i->second->refCount = i->second->refCount >> 1;
|
|
else if (i->second->refCount < _max_2) {
|
|
INFO << m_name << " texture id " << int(i->first) <<
|
|
" -- half-count reached" << std::endl;
|
|
i->second->refCount = i->second->refCount >> 2;
|
|
}
|
|
else {
|
|
WARN << m_name << " texture id " << int(i->first) <<
|
|
" -- going critical" << std::endl;
|
|
i->second->refCount = i->second->refCount >> 3;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::clear() {
|
|
if (clearMagic == 0)
|
|
return;
|
|
if (cached.size() < minClearElements)
|
|
return;
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.begin();
|
|
uint32_t numCleared = 0;
|
|
while (i != cached.end()) {
|
|
if (i->second->refCount < clearMagic) {
|
|
//INFO <<"## " << m_name << " clearing: " << int(i->first) << " count: " << i->second->refCount << std::endl;
|
|
GLuint tid = (i->second->texId);
|
|
glDeleteTextures(1, &tid);
|
|
delete i->second;
|
|
cached.erase(i);
|
|
numCleared++;
|
|
}
|
|
i++;
|
|
}
|
|
INFO << m_name << " " << numCleared << " textures recycled" << std::endl;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::clearStats() {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.begin();
|
|
while (i != cached.end()) {
|
|
i->second->refCount = 0;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::printStats() {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.begin();
|
|
size_t c = 1;
|
|
size_t c_active = 0;
|
|
while (i != cached.end()) {
|
|
if (i->second->refCount > 0) {
|
|
std::cout << c << " = " << uint32_t(i->first) << " : " << i->second->refCount << std::endl;
|
|
c_active++;
|
|
}
|
|
i++;
|
|
c++;
|
|
}
|
|
std::cout << c_active << " different textures used" << std::endl;
|
|
}
|
|
|
|
template <typename key_type>
|
|
GLuint TextureCache<key_type>::getTextureWithId(key_type id) {
|
|
if (matchingCachedQuery(id)) {
|
|
last_query_result->refCount++;
|
|
return last_query_result->texId;
|
|
}
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.find(id);
|
|
if (i == cached.end()) {
|
|
ERROR << m_name << " failed to find texture " << int(id) << std::endl;
|
|
return 0;
|
|
}
|
|
else {
|
|
cacheQuery(id, i->second);
|
|
i->second->refCount++;
|
|
}
|
|
/*
|
|
* if (i->second->isAnimated) {
|
|
AnimControl->lookup(i->second)
|
|
* }
|
|
*/
|
|
return i->second->texId;
|
|
}
|
|
|
|
template <typename key_type>
|
|
bool TextureCache<key_type>::hasTexture(key_type id) {
|
|
if (matchingCachedQuery(id))
|
|
return true; // last_query_result;
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.find(id);
|
|
if (i == cached.end())
|
|
return false;
|
|
cacheQuery(id, i->second);
|
|
return true;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::setToAlpha(key_type id) {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.find(id);
|
|
if (i == cached.end()) {
|
|
ERROR << m_name << " texture not found when trying to set alpha" << std::endl;
|
|
return;
|
|
}
|
|
i->second->hasAlpha = true;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::setToAnimated(key_type id) {
|
|
typename std::map<key_type, texTuple*>::iterator i = cached.find(id);
|
|
if (i == cached.end()) {
|
|
ERROR << m_name << " texture not found when trying to set animation" << std::endl;
|
|
return;
|
|
}
|
|
i->second->isAnimated = true;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::addTexture(key_type id, GLuint texId) {
|
|
/*
|
|
std::map<uint8_t, texTuple*>::iterator i = cached.find(id);
|
|
if (i == cached.end())
|
|
return;*/
|
|
texTuple* tt = new texTuple();
|
|
tt->texId = texId;
|
|
tt->refCount = 1;
|
|
tt->hasAlpha = false;
|
|
tt->isAnimated = false;
|
|
cached[id] = tt;
|
|
INFO << m_name << " GL texture " << texId << " added for key: " << int(id) << std::endl;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::cacheQuery(key_type id, texTuple *pos) {
|
|
has_cached_query = true;
|
|
last_query_id = id;
|
|
last_query_result = pos;
|
|
}
|
|
|
|
template <typename key_type>
|
|
bool TextureCache<key_type>::matchingCachedQuery(key_type id) {
|
|
return ((has_cached_query) && (id == last_query_id));
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::setClearMagic(uint32_t removeLesser) {
|
|
clearMagic = removeLesser;
|
|
}
|
|
|
|
template <typename key_type>
|
|
void TextureCache<key_type>::setMinClearElements(uint32_t minElements) {
|
|
minClearElements = minElements;
|
|
}
|
|
|
|
template <typename key_type>
|
|
unsigned int TextureCache<key_type>::instance_count = 0;
|
|
|
|
std::numeric_limits<uint32_t> _countInfo;
|
|
template <typename key_type>
|
|
const uint32_t TextureCache<key_type>::_max_4 = _countInfo.max() / 4;
|
|
template <typename key_type>
|
|
const uint32_t TextureCache<key_type>::_max_2 = _countInfo.max() / 2;
|
|
|
|
template class TextureCache<uint8_t>;
|
|
template class TextureCache<char>;
|
|
template class TextureCache<uint16_t>;
|
|
template class TextureCache<uint32_t>;
|
|
}
|