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Bring back global lithium pools

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why?
cause sorting around the global driver pool would basically use more cpu power then just copy data sequences into the right order
And sorting data references costs 0 performance at all
This commit is contained in:
tobid7
2026-09-06 16:06:14 +02:00
committed by tobid7
parent 029b91975b
commit 9d9e4d26b4
9 changed files with 139 additions and 36 deletions
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source/lithium/command.cpp
+42 -14
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@@ -1,23 +1,48 @@
#include <pd/drivers/gfx.hpp>
#include <pd/lithium/command.hpp>
#include <pd/lithium/pools.hpp>
namespace PD {
namespace Li {
void Command::Reserve(size_t vtx, size_t idx) {
auto& vpool = GetVertexPool();
auto& ipool = GetIndexPool();
if (VertexCountMax == 0) {
FirstVertex = Gfx::AllocateVertices(vtx, (PD::ptr)this);
FirstVertex = vpool.size();
vpool.Allocate(vtx);
VertexCountMax = vtx;
} else {
Gfx::ExpandVertices(vtx, (PD::ptr)this);
VertexCountMax += vtx;
if (vpool.size() == FirstVertex + VertexCountMax) {
vpool.Allocate(vtx);
VertexCountMax += vtx;
} else {
size_t tmp = FirstVertex;
FirstVertex = vpool.size();
vpool.Allocate(VertexCountMax + vtx);
for (size_t i = 0; i < VertexCount; i++) {
vpool[FirstVertex + i] = vpool[tmp + i];
}
VertexCountMax += vtx;
}
}
if (IndexCountMax == 0) {
FirstIndex = Gfx::AllocateIndices(idx, (PD::ptr)this);
FirstIndex = ipool.size();
ipool.Allocate(idx);
IndexCountMax = idx;
} else {
Gfx::ExpandIndices(idx, (PD::ptr)this);
IndexCountMax += idx;
if (ipool.size() == FirstIndex + IndexCountMax) {
ipool.Allocate(idx);
IndexCountMax += idx;
} else {
size_t tmp = FirstIndex;
FirstIndex = ipool.size();
ipool.Allocate(IndexCountMax + idx);
for (size_t i = 0; i < IndexCount; i++) {
ipool[FirstIndex + i] = ipool[tmp + i];
}
IndexCountMax += idx;
}
}
}
@@ -34,22 +59,25 @@ void Command::Reset() {
}
Command& Command::Add(const Vertex& vtx) {
if (VertexCount <= VertexCountMax)
Gfx::PutVertex(FirstVertex + VertexCount++, vtx, (PD::ptr)this);
if (VertexCount < VertexCountMax) {
GetVertexPool()[FirstVertex + VertexCount++] = vtx;
}
return *this;
}
Command& Command::Add(u16 idx) {
if (IndexCount <= IndexCountMax)
Gfx::PutIndex(FirstIndex + IndexCount++, FirstVertex + VertexCount + idx,
(PD::ptr)this);
if (IndexCount < IndexCountMax) {
GetIndexPool()[FirstIndex + IndexCount++] =
static_cast<u16>(VertexCount + idx);
}
return *this;
}
Command& Command::Add(u16 a, u16 b, u16 c) {
if (IndexCount + 3 <= IndexCountMax) {
auto& ip = GetIndexPool();
size_t idx = FirstIndex + IndexCount;
Gfx::PutIndex(idx + 0, FirstVertex + VertexCount + a, (PD::ptr)this);
Gfx::PutIndex(idx + 1, FirstVertex + VertexCount + b, (PD::ptr)this);
Gfx::PutIndex(idx + 2, FirstVertex + VertexCount + c, (PD::ptr)this);
ip[idx + 0] = static_cast<u16>(VertexCount + a);
ip[idx + 1] = static_cast<u16>(VertexCount + b);
ip[idx + 2] = static_cast<u16>(VertexCount + c);
IndexCount += 3;
}
return *this;