mirror of https://github.com/axmolengine/axmol.git
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
#include "ProgramStateRegistry.h"
|
|
|
|
CC_BACKEND_BEGIN
|
|
|
|
static ProgramStateRegistry* _sharedStateRegistry = nullptr;
|
|
/** returns the shared instance */
|
|
ProgramStateRegistry* ProgramStateRegistry::getInstance()
|
|
{
|
|
if (_sharedStateRegistry)
|
|
return _sharedStateRegistry;
|
|
|
|
_sharedStateRegistry = new (std::nothrow) ProgramStateRegistry();
|
|
if (!_sharedStateRegistry->init())
|
|
{
|
|
CC_SAFE_RELEASE_NULL(_sharedStateRegistry);
|
|
}
|
|
|
|
return _sharedStateRegistry;
|
|
}
|
|
|
|
/** purges the cache. It releases the retained instance. */
|
|
void ProgramStateRegistry::destroyInstance()
|
|
{
|
|
CC_SAFE_RELEASE_NULL(_sharedStateRegistry);
|
|
}
|
|
|
|
bool ProgramStateRegistry::init()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void ProgramStateRegistry::registerProgram(ProgramType programType, int textureFormatEXT, Program* program)
|
|
{
|
|
uint32_t key = (static_cast<uint32_t>(programType) << 16) | textureFormatEXT;
|
|
auto it = this->_registry.find(key);
|
|
if (it == this->_registry.end())
|
|
this->_registry.emplace(key, program);
|
|
else
|
|
it->second = program;
|
|
}
|
|
|
|
void ProgramStateRegistry::clearPrograms() {
|
|
this->_registry.clear();
|
|
}
|
|
|
|
ProgramState* ProgramStateRegistry::newProgramState(ProgramType programType, int textureFormatEXT)
|
|
{
|
|
uint32_t key = (static_cast<uint32_t>(programType) << 16) | textureFormatEXT;
|
|
auto it = this->_registry.find(key);
|
|
if (it != this->_registry.end()) {
|
|
auto fallback = it->second;
|
|
if (fallback)
|
|
return new(std::nothrow) ProgramState(fallback);
|
|
}
|
|
|
|
return new(std::nothrow) ProgramState(Program::getBuiltinProgram((ProgramType)programType));
|
|
}
|
|
|
|
ProgramType ProgramStateRegistry::getProgramType(ProgramType programType, int textureFormatEXT)
|
|
{
|
|
uint32_t key = (static_cast<uint32_t>(programType) << 16) | textureFormatEXT;
|
|
auto it = this->_registry.find(key);
|
|
if (it != this->_registry.end()) {
|
|
auto fallback = it->second;
|
|
if (fallback)
|
|
return fallback->getProgramType();
|
|
}
|
|
return programType;
|
|
}
|
|
//end of _backend group
|
|
/// @}
|
|
CC_BACKEND_END
|