2019-04-08 13:53:35 -03:00

110 lines
2.3 KiB
C++

/*
* Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
*
* 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 <testbed/framework/profiler.h>
Profiler* g_profiler = nullptr;
Profiler::Profiler() : m_pool(sizeof(ProfilerNode))
{
m_root = nullptr;
m_top = nullptr;
}
Profiler::~Profiler()
{
assert(m_root == nullptr);
assert(m_top == nullptr);
}
ProfilerNode* Profiler::CreateNode()
{
void* block = m_pool.Allocate();
ProfilerNode* n = new (block) ProfilerNode();
return n;
}
void Profiler::DestroyNode(ProfilerNode* node)
{
node->~ProfilerNode();
m_pool.Free(node);
}
void Profiler::BeginScope(const char* name)
{
m_time.Update();
ProfilerNode* n = CreateNode();
n->name = name;
n->t0 = m_time.GetCurrentMilis();
n->t1 = 0.0;
n->parent = m_top;
if (m_root == nullptr)
{
m_root = n;
m_top = n;
return;
}
if (m_top)
{
m_top->children.PushBack(n);
}
m_top = n;
}
void Profiler::EndScope()
{
m_time.Update();
assert(m_top != nullptr);
m_top->t1 = m_time.GetCurrentMilis();
assert(m_top->t1 > m_top->t0);
m_top = m_top->parent;
}
void Profiler::Begin()
{
// If this assert is hit then it means Profiler::End hasn't been called.
assert(m_root == nullptr);
assert(m_top == nullptr);
}
void Profiler::RecurseDestroyNode(ProfilerNode* node)
{
for (u32 i = 0; i < node->children.Count(); ++i)
{
RecurseDestroyNode(node->children[i]);
}
DestroyNode(node);
}
void Profiler::End()
{
assert(m_top == nullptr);
if (m_root)
{
RecurseDestroyNode(m_root);
m_root = nullptr;
}
}