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Faster mesh sorting.

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This commit is contained in:
Leonardo Zide 2017-03-19 22:59:55 -07:00
parent 8023f868cd
commit 50b9ab1984
4 changed files with 57 additions and 42 deletions
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72
common/lc_context.cpp
View file

@ -20,42 +20,51 @@
lcProgram lcContext::mPrograms[LC_NUM_MATERIALS];
static int lcOpaqueRenderMeshCompare(const void* Elem1, const void* Elem2)
struct lcOpaqueMeshSorter
{
lcRenderMesh* Mesh1 = (lcRenderMesh*)Elem1;
lcRenderMesh* Mesh2 = (lcRenderMesh*)Elem2;
lcOpaqueMeshSorter(lcScene* Scene)
: mScene(Scene)
{
}
if (Mesh1->Mesh < Mesh2->Mesh)
return -1;
bool operator() (int Index1, int Index2)
{
lcRenderMesh& Mesh1 = mScene->mRenderMeshes[Index1];
lcRenderMesh& Mesh2 = mScene->mRenderMeshes[Index2];
if (Mesh1->Mesh > Mesh2->Mesh)
return 1;
return Mesh1.Mesh < Mesh2.Mesh;
}
return 0;
}
lcScene* mScene;
};
static int lcTranslucentRenderMeshCompare(const void* Elem1, const void* Elem2)
struct lcTranslucentMeshSorter
{
lcRenderMesh* Mesh1 = (lcRenderMesh*)Elem1;
lcRenderMesh* Mesh2 = (lcRenderMesh*)Elem2;
lcTranslucentMeshSorter(lcScene* Scene)
: mScene(Scene)
{
}
if (Mesh1->Distance < Mesh2->Distance)
return 1;
bool operator() (int Index1, int Index2)
{
lcRenderMesh& Mesh1 = mScene->mRenderMeshes[Index1];
lcRenderMesh& Mesh2 = mScene->mRenderMeshes[Index2];
if (Mesh1->Distance > Mesh2->Distance)
return -1;
return Mesh1.Distance < Mesh2.Distance;
}
return 0;
}
lcScene* mScene;
};
lcScene::lcScene()
: mOpaqueMeshes(0, 1024), mTranslucentMeshes(0, 1024), mInterfaceObjects(0, 1024)
: mRenderMeshes(0, 1024), mOpaqueMeshes(0, 1024), mTranslucentMeshes(0, 1024), mInterfaceObjects(0, 1024)
{
}
void lcScene::Begin(const lcMatrix44& ViewMatrix)
{
mViewMatrix = ViewMatrix;
mRenderMeshes.RemoveAll();
mOpaqueMeshes.RemoveAll();
mTranslucentMeshes.RemoveAll();
mInterfaceObjects.RemoveAll();
@ -63,8 +72,8 @@ void lcScene::Begin(const lcMatrix44& ViewMatrix)
void lcScene::End()
{
qsort(&mOpaqueMeshes[0], mOpaqueMeshes.GetSize(), sizeof(mOpaqueMeshes[0]), lcOpaqueRenderMeshCompare);
qsort(&mTranslucentMeshes[0], mTranslucentMeshes.GetSize(), sizeof(mTranslucentMeshes[0]), lcTranslucentRenderMeshCompare);
std::sort(&mOpaqueMeshes[0], &mOpaqueMeshes[0] + mOpaqueMeshes.GetSize(), lcOpaqueMeshSorter(this));
std::sort(&mTranslucentMeshes[0], &mTranslucentMeshes[0] + mTranslucentMeshes.GetSize(), lcTranslucentMeshSorter(this));
}
lcContext::lcContext()
@ -1218,15 +1227,15 @@ void lcContext::DrawMeshSection(lcMesh* Mesh, lcMeshSection* Section)
}
}
void lcContext::DrawOpaqueMeshes(const lcArray<lcRenderMesh>& OpaqueMeshes)
void lcContext::DrawOpaqueMeshes(const lcScene& Scene)
{
bool DrawLines = lcGetPreferences().mDrawEdgeLines;
lcGetPiecesLibrary()->UpdateBuffers(this); // TODO: find a better place for this update
const lcArray<lcRenderMesh>& RenderMeshes = Scene.mRenderMeshes;
const lcArray<int>& OpaqueMeshes = Scene.mOpaqueMeshes;
for (int MeshIdx = 0; MeshIdx < OpaqueMeshes.GetSize(); MeshIdx++)
{
const lcRenderMesh& RenderMesh = OpaqueMeshes[MeshIdx];
const lcRenderMesh& RenderMesh = RenderMeshes[OpaqueMeshes[MeshIdx]];
lcMesh* Mesh = RenderMesh.Mesh;
int LodIndex = RenderMesh.LodIndex;
@ -1311,8 +1320,11 @@ void lcContext::DrawOpaqueMeshes(const lcArray<lcRenderMesh>& OpaqueMeshes)
}
}
void lcContext::DrawTranslucentMeshes(const lcArray<lcRenderMesh>& TranslucentMeshes)
void lcContext::DrawTranslucentMeshes(const lcScene& Scene)
{
const lcArray<lcRenderMesh>& RenderMeshes = Scene.mRenderMeshes;
const lcArray<int>& TranslucentMeshes = Scene.mTranslucentMeshes;
if (TranslucentMeshes.IsEmpty())
return;
@ -1322,7 +1334,7 @@ void lcContext::DrawTranslucentMeshes(const lcArray<lcRenderMesh>& TranslucentMe
for (int MeshIdx = 0; MeshIdx < TranslucentMeshes.GetSize(); MeshIdx++)
{
const lcRenderMesh& RenderMesh = TranslucentMeshes[MeshIdx];
const lcRenderMesh& RenderMesh = RenderMeshes[TranslucentMeshes[MeshIdx]];
lcMesh* Mesh = RenderMesh.Mesh;
int LodIndex = RenderMesh.LodIndex;
@ -1368,8 +1380,10 @@ void lcContext::DrawTranslucentMeshes(const lcArray<lcRenderMesh>& TranslucentMe
void lcContext::DrawScene(const lcScene& Scene)
{
DrawOpaqueMeshes(Scene.mOpaqueMeshes);
DrawTranslucentMeshes(Scene.mTranslucentMeshes);
lcGetPiecesLibrary()->UpdateBuffers(this); // TODO: find a better place for this update
DrawOpaqueMeshes(Scene);
DrawTranslucentMeshes(Scene);
}
void lcContext::DrawInterfaceObjects(const lcArray<const lcObject*>& InterfaceObjects)

9
common/lc_context.h
View file

@ -15,8 +15,9 @@ public:
void End();
lcMatrix44 mViewMatrix;
lcArray<lcRenderMesh> mOpaqueMeshes;
lcArray<lcRenderMesh> mTranslucentMeshes;
lcArray<lcRenderMesh> mRenderMeshes;
lcArray<int> mOpaqueMeshes;
lcArray<int> mTranslucentMeshes;
lcArray<const lcObject*> mInterfaceObjects;
};
@ -176,8 +177,8 @@ protected:
void FlushState();
void DrawMeshSection(lcMesh* Mesh, lcMeshSection* Section);
void DrawOpaqueMeshes(const lcArray<lcRenderMesh>& OpaqueMeshes);
void DrawTranslucentMeshes(const lcArray<lcRenderMesh>& TranslucentMeshes);
void DrawOpaqueMeshes(const lcScene& Scene);
void DrawTranslucentMeshes(const lcScene& Scene);
GLuint mVertexBufferObject;
GLuint mIndexBufferObject;

6
common/piece.cpp
View file

@ -644,7 +644,7 @@ void lcPiece::AddRenderMeshes(lcScene& Scene, bool DrawInterface) const
mPieceInfo->AddRenderMeshes(Scene, mModelWorld, mColorIndex, Focused, Selected);
else
{
lcRenderMesh RenderMesh;
lcRenderMesh& RenderMesh = Scene.mRenderMeshes.Add();
RenderMesh.WorldMatrix = mModelWorld;
RenderMesh.Mesh = mMesh;
@ -656,10 +656,10 @@ void lcPiece::AddRenderMeshes(lcScene& Scene, bool DrawInterface) const
bool Translucent = lcIsColorTranslucent(mColorIndex);
if ((mPieceInfo->mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_LINES)) || ((mPieceInfo->mFlags & LC_PIECE_HAS_DEFAULT) && !Translucent))
Scene.mOpaqueMeshes.Add(RenderMesh);
Scene.mOpaqueMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
if ((mPieceInfo->mFlags & LC_PIECE_HAS_TRANSLUCENT) || ((mPieceInfo->mFlags & LC_PIECE_HAS_DEFAULT) && Translucent))
Scene.mTranslucentMeshes.Add(RenderMesh);
Scene.mTranslucentMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
}
if (Selected)

12
common/pieceinf.cpp
View file

@ -313,7 +313,7 @@ void PieceInfo::AddRenderMesh(lcScene& Scene)
if (!mMesh)
return;
lcRenderMesh RenderMesh;
lcRenderMesh& RenderMesh = Scene.mRenderMeshes.Add();
RenderMesh.WorldMatrix = lcMatrix44Identity();
RenderMesh.Mesh = mMesh;
@ -323,17 +323,17 @@ void PieceInfo::AddRenderMesh(lcScene& Scene)
RenderMesh.LodIndex = mMesh->GetLodIndex(RenderMesh.Distance);
if (mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_DEFAULT | LC_PIECE_HAS_LINES))
Scene.mOpaqueMeshes.Add(RenderMesh);
Scene.mOpaqueMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
if (mFlags & LC_PIECE_HAS_TRANSLUCENT)
Scene.mTranslucentMeshes.Add(RenderMesh);
Scene.mTranslucentMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
}
void PieceInfo::AddRenderMeshes(lcScene& Scene, const lcMatrix44& WorldMatrix, int ColorIndex, bool Focused, bool Selected) const
{
if (mMesh || (mFlags & LC_PIECE_PLACEHOLDER))
{
lcRenderMesh RenderMesh;
lcRenderMesh& RenderMesh = Scene.mRenderMeshes.Add();
RenderMesh.WorldMatrix = WorldMatrix;
RenderMesh.Mesh = (mFlags & LC_PIECE_PLACEHOLDER) ? gPlaceholderMesh : mMesh;
@ -345,10 +345,10 @@ void PieceInfo::AddRenderMeshes(lcScene& Scene, const lcMatrix44& WorldMatrix, i
bool Translucent = lcIsColorTranslucent(ColorIndex);
if ((mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_LINES)) || ((mFlags & LC_PIECE_HAS_DEFAULT) && !Translucent))
Scene.mOpaqueMeshes.Add(RenderMesh);
Scene.mOpaqueMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
if ((mFlags & LC_PIECE_HAS_TRANSLUCENT) || ((mFlags & LC_PIECE_HAS_DEFAULT) && Translucent))
Scene.mTranslucentMeshes.Add(RenderMesh);
Scene.mTranslucentMeshes.Add(Scene.mRenderMeshes.GetSize() - 1);
}
if (mFlags & LC_PIECE_MODEL)