76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#include "Render/Primitives/RenderVertexPool.h"
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#include <algorithm>
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namespace {
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// INLINED
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void Append(std::vector<RenderVertex>& block, unsigned count) {
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const unsigned first = static_cast<unsigned>(block.size());
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block.resize(first + count);
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for (unsigned index = first; index < block.size(); ++index) {
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block[index].specular = 0xFF000000u;
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}
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}
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}
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// INLINED
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RenderVertexPool::RenderVertexPool() : m_minimum(10240), m_used(0) {
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this->Activate(this->m_minimum);
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}
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// OFFSET: 0x00559AA0
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// FUNCTION: fn_02070
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RenderVertexPool::Block& RenderVertexPool::Activate(unsigned capacity) {
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auto previous = this->m_unused.before_begin();
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for (auto current = this->m_unused.begin(); current != this->m_unused.end(); ++current) {
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if ((*current)->capacity() >= capacity) {
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this->m_active.splice_after(this->m_active.before_begin(), this->m_unused, previous);
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return *this->m_active.front();
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}
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previous = current;
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}
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auto block = std::make_unique<Block>();
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block->reserve(capacity);
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this->m_active.push_front(std::move(block));
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return *this->m_active.front();
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}
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// OFFSET: 0x00ABC950
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// FUNCTION: fn_17537
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RenderVertex* RenderVertexPool::Acquire(unsigned count) {
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if (count == 0) {
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return nullptr;
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}
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for (auto& block : this->m_active) {
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if (block->capacity() - block->size() >= count) {
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const unsigned first = static_cast<unsigned>(block->size());
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Append(*block, count);
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this->m_used += count;
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return block->data() + first;
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}
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}
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Block& block = this->Activate(std::max(this->m_minimum, count));
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Append(block, count);
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this->m_used += count;
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return block.data();
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}
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// INLINED
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void RenderVertexPool::Rewind() {
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for (auto& block : this->m_active) {
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block->clear();
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}
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this->m_unused.splice_after(this->m_unused.before_begin(), this->m_active);
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this->m_used = 0;
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this->Activate(this->m_minimum);
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}
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