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Merge pull request #12126 from JosJuice/small-vector

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Move SmallVector to Common
This commit is contained in:
Admiral H. Curtiss
2023-08-26 14:15:18 +02:00
committed by GitHub
parent b149ea51cf 6e88c44d5d
commit 5c4671f573
5 changed files with 55 additions and 51 deletions
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24
Source/Core/VideoCommon/BPFunctions.cpp
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@ -10,6 +10,7 @@
#include "Common/Assert.h"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/SmallVector.h"
#include "VideoCommon/AbstractFramebuffer.h"
#include "VideoCommon/AbstractGfx.h"
@ -76,26 +77,7 @@ bool ScissorResult::IsWorse(const ScissorRect& lhs, const ScissorRect& rhs) cons
namespace
{
// Dynamically sized small array of ScissorRanges (used as an heap-less alternative to std::vector
// to reduce allocation overhead)
struct RangeList
{
static constexpr u32 MAX_RANGES = 9;
u32 m_num_ranges = 0;
std::array<ScissorRange, MAX_RANGES> m_ranges{};
void AddRange(int offset, int start, int end)
{
DEBUG_ASSERT(m_num_ranges < MAX_RANGES);
m_ranges[m_num_ranges] = ScissorRange(offset, start, end);
m_num_ranges++;
}
auto begin() const { return m_ranges.begin(); }
auto end() const { return m_ranges.begin() + m_num_ranges; }
u32 size() { return m_num_ranges; }
};
using RangeList = Common::SmallVector<ScissorRange, 9>;
static RangeList ComputeScissorRanges(int start, int end, int offset, int efb_dim)
{
@ -108,7 +90,7 @@ static RangeList ComputeScissorRanges(int start, int end, int offset, int efb_di
int new_end = std::clamp(end - new_off + 1, 0, efb_dim);
if (new_start < new_end)
{
ranges.AddRange(new_off, new_start, new_end);
ranges.emplace_back(new_off, new_start, new_end);
}
}