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- GLDrawList moved to hwrenderer/.

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This commit is contained in:
Christoph Oelckers 2018-04-29 12:56:06 +02:00
parent 77b301612a
commit 9350eee0c0
6 changed files with 972 additions and 927 deletions
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1
src/CMakeLists.txt
View file

@ -829,6 +829,7 @@ set( FASTMATH_SOURCES
hwrenderer/dynlights/hw_dynlightdata.cpp
hwrenderer/scene/hw_fakeflat.cpp
hwrenderer/scene/hw_decal.cpp
hwrenderer/scene/hw_drawlist.cpp
hwrenderer/scene/hw_clipper.cpp
hwrenderer/scene/hw_flats.cpp
hwrenderer/scene/hw_renderhacks.cpp

822
src/gl/scene/gl_drawinfo.cpp
View file

@ -45,824 +45,12 @@
FDrawInfo * gl_drawinfo;
FDrawInfoList di_list;
static FMemArena RenderDataAllocator(1024*1024); // Use large blocks to reduce allocation time.
void ResetAllocator()
{
RenderDataAllocator.FreeAll();
}
//==========================================================================
//
//
//
//==========================================================================
class StaticSortNodeArray : public TDeletingArray<SortNode*>
{
unsigned usecount;
public:
unsigned Size() { return usecount; }
void Clear() { usecount=0; }
void Release(int start) { usecount=start; }
SortNode * GetNew();
};
SortNode * StaticSortNodeArray::GetNew()
{
if (usecount==TArray<SortNode*>::Size())
{
Push(new SortNode);
}
return operator[](usecount++);
}
static StaticSortNodeArray SortNodes;
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::Reset()
{
if (sorted) SortNodes.Release(SortNodeStart);
sorted=NULL;
walls.Clear();
flats.Clear();
sprites.Clear();
drawitems.Clear();
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::UnlinkFromChain()
{
if (parent) parent->next=next;
if (next) next->parent=parent;
parent=next=NULL;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::Link(SortNode * hook)
{
if (hook)
{
parent=hook->parent;
hook->parent=this;
}
next=hook;
if (parent) parent->next=this;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToEqual(SortNode *child)
{
child->UnlinkFromChain();
child->equal=equal;
equal=child;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToLeft(SortNode * child)
{
child->UnlinkFromChain();
child->Link(left);
left=child;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToRight(SortNode * child)
{
child->UnlinkFromChain();
child->Link(right);
right=child;
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::MakeSortList()
{
SortNode * p, * n, * c;
unsigned i;
SortNodeStart=SortNodes.Size();
p=NULL;
n=SortNodes.GetNew();
for(i=0;i<drawitems.Size();i++)
{
n->itemindex=(int)i;
n->left=n->equal=n->right=NULL;
n->parent=p;
p=n;
if (i!=drawitems.Size()-1)
{
c=SortNodes.GetNew();
n->next=c;
n=c;
}
else
{
n->next=NULL;
}
}
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * GLDrawList::FindSortPlane(SortNode * head)
{
while (head->next && drawitems[head->itemindex].rendertype!=GLDIT_FLAT)
head=head->next;
if (drawitems[head->itemindex].rendertype==GLDIT_FLAT) return head;
return NULL;
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * GLDrawList::FindSortWall(SortNode * head)
{
float farthest = -FLT_MAX;
float nearest = FLT_MAX;
SortNode * best = NULL;
SortNode * node = head;
float bestdist = FLT_MAX;
while (node)
{
GLDrawItem * it = &drawitems[node->itemindex];
if (it->rendertype == GLDIT_WALL)
{
float d = walls[it->index]->ViewDistance;
if (d > farthest) farthest = d;
if (d < nearest) nearest = d;
}
node = node->next;
}
if (farthest == INT_MIN) return NULL;
node = head;
farthest = (farthest + nearest) / 2;
while (node)
{
GLDrawItem * it = &drawitems[node->itemindex];
if (it->rendertype == GLDIT_WALL)
{
float di = fabsf(walls[it->index]->ViewDistance - farthest);
if (!best || di < bestdist)
{
best = node;
bestdist = di;
}
}
node = node->next;
}
return best;
}
//==========================================================================
//
// Note: sloped planes are a huge problem...
//
//==========================================================================
void GLDrawList::SortPlaneIntoPlane(SortNode * head,SortNode * sort)
{
GLFlat * fh= flats[drawitems[head->itemindex].index];
GLFlat * fs= flats[drawitems[sort->itemindex].index];
if (fh->z==fs->z)
head->AddToEqual(sort);
else if ( (fh->z<fs->z && fh->ceiling) || (fh->z>fs->z && !fh->ceiling))
head->AddToLeft(sort);
else
head->AddToRight(sort);
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::SortWallIntoPlane(SortNode * head, SortNode * sort)
{
GLFlat * fh = flats[drawitems[head->itemindex].index];
GLWall * ws = walls[drawitems[sort->itemindex].index];
bool ceiling = fh->z > r_viewpoint.Pos.Z;
if ((ws->ztop[0] > fh->z || ws->ztop[1] > fh->z) && (ws->zbottom[0] < fh->z || ws->zbottom[1] < fh->z))
{
// We have to split this wall!
GLWall *w = NewWall();
*w = *ws;
// Splitting is done in the shader with clip planes, if available
if (gl.flags & RFL_NO_CLIP_PLANES)
{
ws->vertcount = 0; // invalidate current vertices.
float newtexv = ws->tcs[GLWall::UPLFT].v + ((ws->tcs[GLWall::LOLFT].v - ws->tcs[GLWall::UPLFT].v) / (ws->zbottom[0] - ws->ztop[0])) * (fh->z - ws->ztop[0]);
// I make the very big assumption here that translucent walls in sloped sectors
// and 3D-floors never coexist in the same level. If that were the case this
// code would become extremely more complicated.
if (!ceiling)
{
ws->ztop[1] = w->zbottom[1] = ws->ztop[0] = w->zbottom[0] = fh->z;
ws->tcs[GLWall::UPRGT].v = w->tcs[GLWall::LORGT].v = ws->tcs[GLWall::UPLFT].v = w->tcs[GLWall::LOLFT].v = newtexv;
}
else
{
w->ztop[1] = ws->zbottom[1] = w->ztop[0] = ws->zbottom[0] = fh->z;
w->tcs[GLWall::UPLFT].v = ws->tcs[GLWall::LOLFT].v = w->tcs[GLWall::UPRGT].v = ws->tcs[GLWall::LORGT].v = newtexv;
}
}
SortNode * sort2 = SortNodes.GetNew();
memset(sort2, 0, sizeof(SortNode));
sort2->itemindex = drawitems.Size() - 1;
head->AddToLeft(sort);
head->AddToRight(sort2);
}
else if ((ws->zbottom[0] < fh->z && !ceiling) || (ws->ztop[0] > fh->z && ceiling)) // completely on the left side
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::SortSpriteIntoPlane(SortNode * head, SortNode * sort)
{
GLFlat * fh = flats[drawitems[head->itemindex].index];
GLSprite * ss = sprites[drawitems[sort->itemindex].index];
bool ceiling = fh->z > r_viewpoint.Pos.Z;
auto hiz = ss->z1 > ss->z2 ? ss->z1 : ss->z2;
auto loz = ss->z1 < ss->z2 ? ss->z1 : ss->z2;
if ((hiz > fh->z && loz < fh->z) || ss->modelframe)
{
// We have to split this sprite
GLSprite *s = NewSprite();
*s = *ss;
// Splitting is done in the shader with clip planes, if available.
// The fallback here only really works for non-y-billboarded sprites.
if (screen->hwcaps & RFL_NO_CLIP_PLANES)
{
float newtexv = ss->vt + ((ss->vb - ss->vt) / (ss->z2 - ss->z1))*(fh->z - ss->z1);
if (!ceiling)
{
ss->z1 = s->z2 = fh->z;
ss->vt = s->vb = newtexv;
}
else
{
s->z1 = ss->z2 = fh->z;
s->vt = ss->vb = newtexv;
}
}
SortNode * sort2 = SortNodes.GetNew();
memset(sort2, 0, sizeof(SortNode));
sort2->itemindex = drawitems.Size() - 1;
head->AddToLeft(sort);
head->AddToRight(sort2);
}
else if ((ss->z2<fh->z && !ceiling) || (ss->z1>fh->z && ceiling)) // completely on the left side
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
}
//==========================================================================
//
//
//
//==========================================================================
#define MIN_EQ (0.0005f)
// Lines start-end and fdiv must intersect.
inline double CalcIntersectionVertex(GLWall *w1, GLWall * w2)
{
float ax = w1->glseg.x1, ay = w1->glseg.y1;
float bx = w1->glseg.x2, by = w1->glseg.y2;
float cx = w2->glseg.x1, cy = w2->glseg.y1;
float dx = w2->glseg.x2, dy = w2->glseg.y2;
return ((ay - cy)*(dx - cx) - (ax - cx)*(dy - cy)) / ((bx - ax)*(dy - cy) - (by - ay)*(dx - cx));
}
void GLDrawList::SortWallIntoWall(SortNode * head,SortNode * sort)
{
GLWall * wh= walls[drawitems[head->itemindex].index];
GLWall * ws= walls[drawitems[sort->itemindex].index];
float v1=wh->PointOnSide(ws->glseg.x1,ws->glseg.y1);
float v2=wh->PointOnSide(ws->glseg.x2,ws->glseg.y2);
if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ)
{
if (ws->type==RENDERWALL_FOGBOUNDARY && wh->type!=RENDERWALL_FOGBOUNDARY)
{
head->AddToRight(sort);
}
else if (ws->type!=RENDERWALL_FOGBOUNDARY && wh->type==RENDERWALL_FOGBOUNDARY)
{
head->AddToLeft(sort);
}
else
{
head->AddToEqual(sort);
}
}
else if (v1<MIN_EQ && v2<MIN_EQ)
{
head->AddToLeft(sort);
}
else if (v1>-MIN_EQ && v2>-MIN_EQ)
{
head->AddToRight(sort);
}
else
{
double r = CalcIntersectionVertex(ws, wh);
float ix=(float)(ws->glseg.x1+r*(ws->glseg.x2-ws->glseg.x1));
float iy=(float)(ws->glseg.y1+r*(ws->glseg.y2-ws->glseg.y1));
float iu=(float)(ws->tcs[GLWall::UPLFT].u + r * (ws->tcs[GLWall::UPRGT].u - ws->tcs[GLWall::UPLFT].u));
float izt=(float)(ws->ztop[0]+r*(ws->ztop[1]-ws->ztop[0]));
float izb=(float)(ws->zbottom[0]+r*(ws->zbottom[1]-ws->zbottom[0]));
ws->vertcount = 0; // invalidate current vertices.
GLWall *w= NewWall();
*w = *ws;
w->glseg.x1=ws->glseg.x2=ix;
w->glseg.y1=ws->glseg.y2=iy;
w->glseg.fracleft = ws->glseg.fracright = ws->glseg.fracleft + r*(ws->glseg.fracright - ws->glseg.fracleft);
w->ztop[0]=ws->ztop[1]=izt;
w->zbottom[0]=ws->zbottom[1]=izb;
w->tcs[GLWall::LOLFT].u = w->tcs[GLWall::UPLFT].u = ws->tcs[GLWall::LORGT].u = ws->tcs[GLWall::UPRGT].u = iu;
ws->MakeVertices(gl_drawinfo, false);
w->MakeVertices(gl_drawinfo, false);
SortNode * sort2=SortNodes.GetNew();
memset(sort2,0,sizeof(SortNode));
sort2->itemindex=drawitems.Size()-1;
if (v1>0)
{
head->AddToLeft(sort2);
head->AddToRight(sort);
}
else
{
head->AddToLeft(sort);
head->AddToRight(sort2);
}
}
}
//==========================================================================
//
//
//
//==========================================================================
EXTERN_CVAR(Int, gl_billboard_mode)
EXTERN_CVAR(Bool, gl_billboard_faces_camera)
EXTERN_CVAR(Bool, gl_billboard_particles)
inline double CalcIntersectionVertex(GLSprite *s, GLWall * w2)
{
float ax = s->x1, ay = s->y1;
float bx = s->x2, by = s->y2;
float cx = w2->glseg.x1, cy = w2->glseg.y1;
float dx = w2->glseg.x2, dy = w2->glseg.y2;
return ((ay - cy)*(dx - cx) - (ax - cx)*(dy - cy)) / ((bx - ax)*(dy - cy) - (by - ay)*(dx - cx));
}
void GLDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
{
GLWall *wh= walls[drawitems[head->itemindex].index];
GLSprite * ss= sprites[drawitems[sort->itemindex].index];
float v1 = wh->PointOnSide(ss->x1, ss->y1);
float v2 = wh->PointOnSide(ss->x2, ss->y2);
if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ)
{
if (wh->type==RENDERWALL_FOGBOUNDARY)
{
head->AddToLeft(sort);
}
else
{
head->AddToEqual(sort);
}
}
else if (v1<MIN_EQ && v2<MIN_EQ)
{
head->AddToLeft(sort);
}
else if (v1>-MIN_EQ && v2>-MIN_EQ)
{
head->AddToRight(sort);
}
else
{
const bool drawWithXYBillboard = ((ss->particle && gl_billboard_particles) || (!(ss->actor && ss->actor->renderflags & RF_FORCEYBILLBOARD)
&& (gl_billboard_mode == 1 || (ss->actor && ss->actor->renderflags & RF_FORCEXYBILLBOARD))));
const bool drawBillboardFacingCamera = gl_billboard_faces_camera;
// [Nash] has +ROLLSPRITE
const bool rotated = (ss->actor != nullptr && ss->actor->renderflags & (RF_ROLLSPRITE | RF_WALLSPRITE | RF_FLATSPRITE));
// cannot sort them at the moment. This requires more complex splitting.
if (drawWithXYBillboard || drawBillboardFacingCamera || rotated)
{
float v1 = wh->PointOnSide(ss->x, ss->y);
if (v1 < 0)
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
return;
}
double r=CalcIntersectionVertex(ss, wh);
float ix=(float)(ss->x1 + r * (ss->x2-ss->x1));
float iy=(float)(ss->y1 + r * (ss->y2-ss->y1));
float iu=(float)(ss->ul + r * (ss->ur-ss->ul));
GLSprite *s = NewSprite();
*s = *ss;
s->x1=ss->x2=ix;
s->y1=ss->y2=iy;
s->ul=ss->ur=iu;
SortNode * sort2=SortNodes.GetNew();
memset(sort2,0,sizeof(SortNode));
sort2->itemindex=drawitems.Size()-1;
if (v1>0)
{
head->AddToLeft(sort2);
head->AddToRight(sort);
}
else
{
head->AddToLeft(sort);
head->AddToRight(sort2);
}
}
}
//==========================================================================
//
//
//
//==========================================================================
inline int GLDrawList::CompareSprites(SortNode * a,SortNode * b)
{
GLSprite * s1= sprites[drawitems[a->itemindex].index];
GLSprite * s2= sprites[drawitems[b->itemindex].index];
int res = s1->depth - s2->depth;
if (res != 0) return -res;
else return (i_compatflags & COMPATF_SPRITESORT)? s1->index-s2->index : s2->index-s1->index;
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * GLDrawList::SortSpriteList(SortNode * head)
{
SortNode * n;
int count;
unsigned i;
static TArray<SortNode*> sortspritelist;
SortNode * parent=head->parent;
sortspritelist.Clear();
for(count=0,n=head;n;n=n->next) sortspritelist.Push(n);
std::stable_sort(sortspritelist.begin(), sortspritelist.end(), [=](SortNode *a, SortNode *b)
{
return CompareSprites(a, b) < 0;
});
for(i=0;i<sortspritelist.Size();i++)
{
sortspritelist[i]->next=NULL;
if (parent) parent->equal=sortspritelist[i];
parent=sortspritelist[i];
}
return sortspritelist[0];
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * GLDrawList::DoSort(SortNode * head)
{
SortNode * node, * sn, * next;
sn=FindSortPlane(head);
if (sn)
{
if (sn==head) head=head->next;
sn->UnlinkFromChain();
node=head;
head=sn;
while (node)
{
next=node->next;
switch(drawitems[node->itemindex].rendertype)
{
case GLDIT_FLAT:
SortPlaneIntoPlane(head,node);
break;
case GLDIT_WALL:
SortWallIntoPlane(head,node);
break;
case GLDIT_SPRITE:
SortSpriteIntoPlane(head,node);
break;
}
node=next;
}
}
else
{
sn=FindSortWall(head);
if (sn)
{
if (sn==head) head=head->next;
sn->UnlinkFromChain();
node=head;
head=sn;
while (node)
{
next=node->next;
switch(drawitems[node->itemindex].rendertype)
{
case GLDIT_WALL:
SortWallIntoWall(head,node);
break;
case GLDIT_SPRITE:
SortSpriteIntoWall(head,node);
break;
case GLDIT_FLAT: break;
}
node=next;
}
}
else
{
return SortSpriteList(head);
}
}
if (head->left) head->left=DoSort(head->left);
if (head->right) head->right=DoSort(head->right);
return sn;
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::Sort()
{
MakeSortList();
sorted = DoSort(SortNodes[SortNodeStart]);
}
//==========================================================================
//
// Sorting the drawitems first by texture and then by light level.
//
//==========================================================================
void GLDrawList::SortWalls()
{
if (drawitems.Size() > 1)
{
std::sort(drawitems.begin(), drawitems.end(), [=](const GLDrawItem &a, const GLDrawItem &b) -> bool
{
GLWall * w1 = walls[a.index];
GLWall * w2 = walls[b.index];
if (w1->gltexture != w2->gltexture) return w1->gltexture < w2->gltexture;
return (w1->flags & 3) < (w2->flags & 3);
});
}
}
void GLDrawList::SortFlats()
{
if (drawitems.Size() > 1)
{
std::sort(drawitems.begin(), drawitems.end(), [=](const GLDrawItem &a, const GLDrawItem &b)
{
GLFlat * w1 = flats[a.index];
GLFlat* w2 = flats[b.index];
return w1->gltexture < w2->gltexture;
});
}
}
//==========================================================================
//
//
//
//==========================================================================
GLWall *GLDrawList::NewWall()
{
auto wall = (GLWall*)RenderDataAllocator.Alloc(sizeof(GLWall));
drawitems.Push(GLDrawItem(GLDIT_WALL, walls.Push(wall)));
return wall;
}
//==========================================================================
//
//
//
//==========================================================================
GLFlat *GLDrawList::NewFlat()
{
auto flat = (GLFlat*)RenderDataAllocator.Alloc(sizeof(GLFlat));
drawitems.Push(GLDrawItem(GLDIT_FLAT,flats.Push(flat)));
return flat;
}
//==========================================================================
//
//
//
//==========================================================================
GLSprite *GLDrawList::NewSprite()
{
auto sprite = (GLSprite*)RenderDataAllocator.Alloc(sizeof(GLSprite));
drawitems.Push(GLDrawItem(GLDIT_SPRITE, sprites.Push(sprite)));
return sprite;
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::DoDraw(HWDrawInfo *di, int pass, int i, bool trans)
{
switch(drawitems[i].rendertype)
{
case GLDIT_FLAT:
{
GLFlat * f= flats[drawitems[i].index];
RenderFlat.Clock();
di->DrawFlat(f, pass, trans);
RenderFlat.Unclock();
}
break;
case GLDIT_WALL:
{
GLWall * w= walls[drawitems[i].index];
RenderWall.Clock();
di->DrawWall(w, pass);
RenderWall.Unclock();
}
break;
case GLDIT_SPRITE:
{
GLSprite * s= sprites[drawitems[i].index];
RenderSprite.Clock();
gl_drawinfo->DrawSprite(s, pass);
RenderSprite.Unclock();
}
break;
}
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::Draw(HWDrawInfo *di, int pass, bool trans)
{
for (unsigned i = 0; i < drawitems.Size(); i++)
{
DoDraw(di, pass, i, trans);
}
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::DrawWalls(HWDrawInfo *di, int pass)
{
RenderWall.Clock();
for (auto &item : drawitems)
{
di->DrawWall(walls[item.index], pass);
}
RenderWall.Unclock();
}
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::DrawFlats(HWDrawInfo *di, int pass)
{
RenderFlat.Clock();
for (unsigned i = 0; i<drawitems.Size(); i++)
{
di->DrawFlat(flats[drawitems[i].index], pass, false);
}
RenderFlat.Unclock();
}
//==========================================================================
//
//
//
//==========================================================================
void FDrawInfo::DoDrawSorted(GLDrawList *dl, SortNode * head)
void FDrawInfo::DoDrawSorted(HWDrawList *dl, SortNode * head)
{
float clipsplit[2];
int relation = 0;
@ -924,13 +112,13 @@ void FDrawInfo::DoDrawSorted(GLDrawList *dl, SortNode * head)
//==========================================================================
void FDrawInfo::DrawSorted(int listindex)
{
GLDrawList *dl = &drawlists[listindex];
HWDrawList *dl = &drawlists[listindex];
if (dl->drawitems.Size()==0) return;
if (!dl->sorted)
{
GLRenderer->mVBO->Map();
dl->Sort();
dl->Sort(this);
GLRenderer->mVBO->Unmap();
}
gl_RenderState.ClearClipSplit();
@ -985,7 +173,7 @@ FDrawInfo::FDrawInfo()
next = NULL;
if (gl.legacyMode)
{
dldrawlists = new GLDrawList[GLLDL_TYPES];
dldrawlists = new HWDrawList[GLLDL_TYPES];
}
}
@ -1049,7 +237,7 @@ void FDrawInfo::EndDrawInfo()
gl_drawinfo=di->next;
di_list.Release(di);
if (gl_drawinfo == nullptr)
ResetAllocator();
ResetRenderDataAllocator();
}

113
src/gl/scene/gl_drawinfo.h
View file

@ -1,7 +1,7 @@
#ifndef __GL_DRAWINFO_H
#define __GL_DRAWINFO_H
#include "hwrenderer/scene/hw_drawinfo.h"
#include "hwrenderer/scene/hw_drawlist.h"
#ifdef _MSC_VER
#pragma warning(disable:4244)
@ -9,13 +9,6 @@
class GLSceneDrawer;
enum GLDrawItemType
{
GLDIT_WALL,
GLDIT_FLAT,
GLDIT_SPRITE,
};
enum DrawListType
{
GLDL_PLAINWALLS,
@ -69,112 +62,14 @@ enum Drawpasses
};
//==========================================================================
//
// Intermediate struct to link one draw item into a draw list
//
// unfortunately this struct must not contain pointers because
// the arrays may be reallocated!
//
//==========================================================================
struct GLDrawItem
{
GLDrawItemType rendertype;
int index;
GLDrawItem(GLDrawItemType _rendertype,int _index) : rendertype(_rendertype),index(_index) {}
};
struct SortNode
{
int itemindex;
SortNode * parent;
SortNode * next; // unsorted successor
SortNode * left; // left side of this node
SortNode * equal; // equal to this node
SortNode * right; // right side of this node
void UnlinkFromChain();
void Link(SortNode * hook);
void AddToEqual(SortNode * newnode);
void AddToLeft (SortNode * newnode);
void AddToRight(SortNode * newnode);
};
//==========================================================================
//
// One draw list. This contains all info for one type of rendering data
//
//==========================================================================
struct GLDrawList
{
//private:
TArray<GLWall*> walls;
TArray<GLFlat*> flats;
TArray<GLSprite*> sprites;
TArray<GLDrawItem> drawitems;
int SortNodeStart;
SortNode * sorted;
public:
GLDrawList()
{
next=NULL;
SortNodeStart=-1;
sorted=NULL;
}
~GLDrawList()
{
Reset();
}
unsigned int Size()
{
return drawitems.Size();
}
GLWall *NewWall();
GLFlat *NewFlat();
GLSprite *NewSprite();
void Reset();
void SortWalls();
void SortFlats();
void MakeSortList();
SortNode * FindSortPlane(SortNode * head);
SortNode * FindSortWall(SortNode * head);
void SortPlaneIntoPlane(SortNode * head,SortNode * sort);
void SortWallIntoPlane(SortNode * head,SortNode * sort);
void SortSpriteIntoPlane(SortNode * head,SortNode * sort);
void SortWallIntoWall(SortNode * head,SortNode * sort);
void SortSpriteIntoWall(SortNode * head,SortNode * sort);
int CompareSprites(SortNode * a,SortNode * b);
SortNode * SortSpriteList(SortNode * head);
SortNode * DoSort(SortNode * head);
void Sort();
void DoDraw(HWDrawInfo *di, int pass, int index, bool trans);
void Draw(HWDrawInfo *di, int pass, bool trans = false);
void DrawWalls(HWDrawInfo *di, int pass);
void DrawFlats(HWDrawInfo *di, int pass);
GLDrawList * next;
} ;
struct FDrawInfo : public HWDrawInfo
{
GLSceneDrawer *mDrawer;
FDrawInfo * next;
GLDrawList drawlists[GLDL_TYPES];
HWDrawList drawlists[GLDL_TYPES];
TArray<GLDecal *> decals[2]; // the second slot is for mirrors which get rendered in a separate pass.
GLDrawList *dldrawlists = NULL; // only gets allocated when needed.
HWDrawList *dldrawlists = NULL; // only gets allocated when needed.
FDrawInfo();
~FDrawInfo();
@ -227,7 +122,7 @@ struct FDrawInfo : public HWDrawInfo
// Sprite drawer
void DrawSprite(GLSprite *sprite, int pass);
void DoDrawSorted(GLDrawList *dl, SortNode * head);
void DoDrawSorted(HWDrawList *dl, SortNode * head);
void DrawSorted(int listindex);
// These two may be moved to the API independent part of the renderer later.

848
src/hwrenderer/scene/hw_drawlist.cpp Normal file
View file

@ -0,0 +1,848 @@
//
//---------------------------------------------------------------------------
//
// Copyright(C) 2002-2016 Christoph Oelckers
// All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see http://www.gnu.org/licenses/
//
//--------------------------------------------------------------------------
//
/*
** hw_drawlist.cpp
** The main container type for draw items.
**
*/
#include "r_sky.h"
#include "r_utility.h"
#include "doomstat.h"
#include "actor.h"
#include "g_levellocals.h"
#include "hwrenderer/scene/hw_drawstructs.h"
#include "hwrenderer/scene/hw_drawlist.h"
#include "hwrenderer/utility/hw_clock.h"
FMemArena RenderDataAllocator(1024*1024); // Use large blocks to reduce allocation time.
void ResetRenderDataAllocator()
{
RenderDataAllocator.FreeAll();
}
//==========================================================================
//
//
//
//==========================================================================
class StaticSortNodeArray : public TDeletingArray<SortNode*>
{
unsigned usecount;
public:
unsigned Size() { return usecount; }
void Clear() { usecount=0; }
void Release(int start) { usecount=start; }
SortNode * GetNew();
};
SortNode * StaticSortNodeArray::GetNew()
{
if (usecount==TArray<SortNode*>::Size())
{
Push(new SortNode);
}
return operator[](usecount++);
}
static StaticSortNodeArray SortNodes;
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::Reset()
{
if (sorted) SortNodes.Release(SortNodeStart);
sorted=NULL;
walls.Clear();
flats.Clear();
sprites.Clear();
drawitems.Clear();
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::UnlinkFromChain()
{
if (parent) parent->next=next;
if (next) next->parent=parent;
parent=next=NULL;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::Link(SortNode * hook)
{
if (hook)
{
parent=hook->parent;
hook->parent=this;
}
next=hook;
if (parent) parent->next=this;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToEqual(SortNode *child)
{
child->UnlinkFromChain();
child->equal=equal;
equal=child;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToLeft(SortNode * child)
{
child->UnlinkFromChain();
child->Link(left);
left=child;
}
//==========================================================================
//
//
//
//==========================================================================
inline void SortNode::AddToRight(SortNode * child)
{
child->UnlinkFromChain();
child->Link(right);
right=child;
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::MakeSortList()
{
SortNode * p, * n, * c;
unsigned i;
SortNodeStart=SortNodes.Size();
p=NULL;
n=SortNodes.GetNew();
for(i=0;i<drawitems.Size();i++)
{
n->itemindex=(int)i;
n->left=n->equal=n->right=NULL;
n->parent=p;
p=n;
if (i!=drawitems.Size()-1)
{
c=SortNodes.GetNew();
n->next=c;
n=c;
}
else
{
n->next=NULL;
}
}
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * HWDrawList::FindSortPlane(SortNode * head)
{
while (head->next && drawitems[head->itemindex].rendertype!=GLDIT_FLAT)
head=head->next;
if (drawitems[head->itemindex].rendertype==GLDIT_FLAT) return head;
return NULL;
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * HWDrawList::FindSortWall(SortNode * head)
{
float farthest = -FLT_MAX;
float nearest = FLT_MAX;
SortNode * best = NULL;
SortNode * node = head;
float bestdist = FLT_MAX;
while (node)
{
GLDrawItem * it = &drawitems[node->itemindex];
if (it->rendertype == GLDIT_WALL)
{
float d = walls[it->index]->ViewDistance;
if (d > farthest) farthest = d;
if (d < nearest) nearest = d;
}
node = node->next;
}
if (farthest == INT_MIN) return NULL;
node = head;
farthest = (farthest + nearest) / 2;
while (node)
{
GLDrawItem * it = &drawitems[node->itemindex];
if (it->rendertype == GLDIT_WALL)
{
float di = fabsf(walls[it->index]->ViewDistance - farthest);
if (!best || di < bestdist)
{
best = node;
bestdist = di;
}
}
node = node->next;
}
return best;
}
//==========================================================================
//
// Note: sloped planes are a huge problem...
//
//==========================================================================
void HWDrawList::SortPlaneIntoPlane(SortNode * head,SortNode * sort)
{
GLFlat * fh= flats[drawitems[head->itemindex].index];
GLFlat * fs= flats[drawitems[sort->itemindex].index];
if (fh->z==fs->z)
head->AddToEqual(sort);
else if ( (fh->z<fs->z && fh->ceiling) || (fh->z>fs->z && !fh->ceiling))
head->AddToLeft(sort);
else
head->AddToRight(sort);
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::SortWallIntoPlane(SortNode * head, SortNode * sort)
{
GLFlat * fh = flats[drawitems[head->itemindex].index];
GLWall * ws = walls[drawitems[sort->itemindex].index];
bool ceiling = fh->z > r_viewpoint.Pos.Z;
if ((ws->ztop[0] > fh->z || ws->ztop[1] > fh->z) && (ws->zbottom[0] < fh->z || ws->zbottom[1] < fh->z))
{
// We have to split this wall!
GLWall *w = NewWall();
*w = *ws;
// Splitting is done in the shader with clip planes, if available
if (screen->hwcaps & RFL_NO_CLIP_PLANES)
{
ws->vertcount = 0; // invalidate current vertices.
float newtexv = ws->tcs[GLWall::UPLFT].v + ((ws->tcs[GLWall::LOLFT].v - ws->tcs[GLWall::UPLFT].v) / (ws->zbottom[0] - ws->ztop[0])) * (fh->z - ws->ztop[0]);
// I make the very big assumption here that translucent walls in sloped sectors
// and 3D-floors never coexist in the same level. If that were the case this
// code would become extremely more complicated.
if (!ceiling)
{
ws->ztop[1] = w->zbottom[1] = ws->ztop[0] = w->zbottom[0] = fh->z;
ws->tcs[GLWall::UPRGT].v = w->tcs[GLWall::LORGT].v = ws->tcs[GLWall::UPLFT].v = w->tcs[GLWall::LOLFT].v = newtexv;
}
else
{
w->ztop[1] = ws->zbottom[1] = w->ztop[0] = ws->zbottom[0] = fh->z;
w->tcs[GLWall::UPLFT].v = ws->tcs[GLWall::LOLFT].v = w->tcs[GLWall::UPRGT].v = ws->tcs[GLWall::LORGT].v = newtexv;
}
}
SortNode * sort2 = SortNodes.GetNew();
memset(sort2, 0, sizeof(SortNode));
sort2->itemindex = drawitems.Size() - 1;
head->AddToLeft(sort);
head->AddToRight(sort2);
}
else if ((ws->zbottom[0] < fh->z && !ceiling) || (ws->ztop[0] > fh->z && ceiling)) // completely on the left side
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::SortSpriteIntoPlane(SortNode * head, SortNode * sort)
{
GLFlat * fh = flats[drawitems[head->itemindex].index];
GLSprite * ss = sprites[drawitems[sort->itemindex].index];
bool ceiling = fh->z > r_viewpoint.Pos.Z;
auto hiz = ss->z1 > ss->z2 ? ss->z1 : ss->z2;
auto loz = ss->z1 < ss->z2 ? ss->z1 : ss->z2;
if ((hiz > fh->z && loz < fh->z) || ss->modelframe)
{
// We have to split this sprite
GLSprite *s = NewSprite();
*s = *ss;
// Splitting is done in the shader with clip planes, if available.
// The fallback here only really works for non-y-billboarded sprites.
if (screen->hwcaps & RFL_NO_CLIP_PLANES)
{
float newtexv = ss->vt + ((ss->vb - ss->vt) / (ss->z2 - ss->z1))*(fh->z - ss->z1);
if (!ceiling)
{
ss->z1 = s->z2 = fh->z;
ss->vt = s->vb = newtexv;
}
else
{
s->z1 = ss->z2 = fh->z;
s->vt = ss->vb = newtexv;
}
}
SortNode * sort2 = SortNodes.GetNew();
memset(sort2, 0, sizeof(SortNode));
sort2->itemindex = drawitems.Size() - 1;
head->AddToLeft(sort);
head->AddToRight(sort2);
}
else if ((ss->z2<fh->z && !ceiling) || (ss->z1>fh->z && ceiling)) // completely on the left side
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
}
//==========================================================================
//
//
//
//==========================================================================
#define MIN_EQ (0.0005f)
// Lines start-end and fdiv must intersect.
inline double CalcIntersectionVertex(GLWall *w1, GLWall * w2)
{
float ax = w1->glseg.x1, ay = w1->glseg.y1;
float bx = w1->glseg.x2, by = w1->glseg.y2;
float cx = w2->glseg.x1, cy = w2->glseg.y1;
float dx = w2->glseg.x2, dy = w2->glseg.y2;
return ((ay - cy)*(dx - cx) - (ax - cx)*(dy - cy)) / ((bx - ax)*(dy - cy) - (by - ay)*(dx - cx));
}
void HWDrawList::SortWallIntoWall(HWDrawInfo *di, SortNode * head,SortNode * sort)
{
GLWall * wh= walls[drawitems[head->itemindex].index];
GLWall * ws= walls[drawitems[sort->itemindex].index];
float v1=wh->PointOnSide(ws->glseg.x1,ws->glseg.y1);
float v2=wh->PointOnSide(ws->glseg.x2,ws->glseg.y2);
if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ)
{
if (ws->type==RENDERWALL_FOGBOUNDARY && wh->type!=RENDERWALL_FOGBOUNDARY)
{
head->AddToRight(sort);
}
else if (ws->type!=RENDERWALL_FOGBOUNDARY && wh->type==RENDERWALL_FOGBOUNDARY)
{
head->AddToLeft(sort);
}
else
{
head->AddToEqual(sort);
}
}
else if (v1<MIN_EQ && v2<MIN_EQ)
{
head->AddToLeft(sort);
}
else if (v1>-MIN_EQ && v2>-MIN_EQ)
{
head->AddToRight(sort);
}
else
{
double r = CalcIntersectionVertex(ws, wh);
float ix=(float)(ws->glseg.x1+r*(ws->glseg.x2-ws->glseg.x1));
float iy=(float)(ws->glseg.y1+r*(ws->glseg.y2-ws->glseg.y1));
float iu=(float)(ws->tcs[GLWall::UPLFT].u + r * (ws->tcs[GLWall::UPRGT].u - ws->tcs[GLWall::UPLFT].u));
float izt=(float)(ws->ztop[0]+r*(ws->ztop[1]-ws->ztop[0]));
float izb=(float)(ws->zbottom[0]+r*(ws->zbottom[1]-ws->zbottom[0]));
ws->vertcount = 0; // invalidate current vertices.
GLWall *w= NewWall();
*w = *ws;
w->glseg.x1=ws->glseg.x2=ix;
w->glseg.y1=ws->glseg.y2=iy;
w->glseg.fracleft = ws->glseg.fracright = ws->glseg.fracleft + r*(ws->glseg.fracright - ws->glseg.fracleft);
w->ztop[0]=ws->ztop[1]=izt;
w->zbottom[0]=ws->zbottom[1]=izb;
w->tcs[GLWall::LOLFT].u = w->tcs[GLWall::UPLFT].u = ws->tcs[GLWall::LORGT].u = ws->tcs[GLWall::UPRGT].u = iu;
ws->MakeVertices(di, false);
w->MakeVertices(di, false);
SortNode * sort2=SortNodes.GetNew();
memset(sort2,0,sizeof(SortNode));
sort2->itemindex=drawitems.Size()-1;
if (v1>0)
{
head->AddToLeft(sort2);
head->AddToRight(sort);
}
else
{
head->AddToLeft(sort);
head->AddToRight(sort2);
}
}
}
//==========================================================================
//
//
//
//==========================================================================
EXTERN_CVAR(Int, gl_billboard_mode)
EXTERN_CVAR(Bool, gl_billboard_faces_camera)
EXTERN_CVAR(Bool, gl_billboard_particles)
inline double CalcIntersectionVertex(GLSprite *s, GLWall * w2)
{
float ax = s->x1, ay = s->y1;
float bx = s->x2, by = s->y2;
float cx = w2->glseg.x1, cy = w2->glseg.y1;
float dx = w2->glseg.x2, dy = w2->glseg.y2;
return ((ay - cy)*(dx - cx) - (ax - cx)*(dy - cy)) / ((bx - ax)*(dy - cy) - (by - ay)*(dx - cx));
}
void HWDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
{
GLWall *wh= walls[drawitems[head->itemindex].index];
GLSprite * ss= sprites[drawitems[sort->itemindex].index];
float v1 = wh->PointOnSide(ss->x1, ss->y1);
float v2 = wh->PointOnSide(ss->x2, ss->y2);
if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ)
{
if (wh->type==RENDERWALL_FOGBOUNDARY)
{
head->AddToLeft(sort);
}
else
{
head->AddToEqual(sort);
}
}
else if (v1<MIN_EQ && v2<MIN_EQ)
{
head->AddToLeft(sort);
}
else if (v1>-MIN_EQ && v2>-MIN_EQ)
{
head->AddToRight(sort);
}
else
{
const bool drawWithXYBillboard = ((ss->particle && gl_billboard_particles) || (!(ss->actor && ss->actor->renderflags & RF_FORCEYBILLBOARD)
&& (gl_billboard_mode == 1 || (ss->actor && ss->actor->renderflags & RF_FORCEXYBILLBOARD))));
const bool drawBillboardFacingCamera = gl_billboard_faces_camera;
// [Nash] has +ROLLSPRITE
const bool rotated = (ss->actor != nullptr && ss->actor->renderflags & (RF_ROLLSPRITE | RF_WALLSPRITE | RF_FLATSPRITE));
// cannot sort them at the moment. This requires more complex splitting.
if (drawWithXYBillboard || drawBillboardFacingCamera || rotated)
{
float v1 = wh->PointOnSide(ss->x, ss->y);
if (v1 < 0)
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
return;
}
double r=CalcIntersectionVertex(ss, wh);
float ix=(float)(ss->x1 + r * (ss->x2-ss->x1));
float iy=(float)(ss->y1 + r * (ss->y2-ss->y1));
float iu=(float)(ss->ul + r * (ss->ur-ss->ul));
GLSprite *s = NewSprite();
*s = *ss;
s->x1=ss->x2=ix;
s->y1=ss->y2=iy;
s->ul=ss->ur=iu;
SortNode * sort2=SortNodes.GetNew();
memset(sort2,0,sizeof(SortNode));
sort2->itemindex=drawitems.Size()-1;
if (v1>0)
{
head->AddToLeft(sort2);
head->AddToRight(sort);
}
else
{
head->AddToLeft(sort);
head->AddToRight(sort2);
}
}
}
//==========================================================================
//
//
//
//==========================================================================
inline int HWDrawList::CompareSprites(SortNode * a,SortNode * b)
{
GLSprite * s1= sprites[drawitems[a->itemindex].index];
GLSprite * s2= sprites[drawitems[b->itemindex].index];
int res = s1->depth - s2->depth;
if (res != 0) return -res;
else return (i_compatflags & COMPATF_SPRITESORT)? s1->index-s2->index : s2->index-s1->index;
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * HWDrawList::SortSpriteList(SortNode * head)
{
SortNode * n;
int count;
unsigned i;
static TArray<SortNode*> sortspritelist;
SortNode * parent=head->parent;
sortspritelist.Clear();
for(count=0,n=head;n;n=n->next) sortspritelist.Push(n);
std::stable_sort(sortspritelist.begin(), sortspritelist.end(), [=](SortNode *a, SortNode *b)
{
return CompareSprites(a, b) < 0;
});
for(i=0;i<sortspritelist.Size();i++)
{
sortspritelist[i]->next=NULL;
if (parent) parent->equal=sortspritelist[i];
parent=sortspritelist[i];
}
return sortspritelist[0];
}
//==========================================================================
//
//
//
//==========================================================================
SortNode * HWDrawList::DoSort(HWDrawInfo *di, SortNode * head)
{
SortNode * node, * sn, * next;
sn=FindSortPlane(head);
if (sn)
{
if (sn==head) head=head->next;
sn->UnlinkFromChain();
node=head;
head=sn;
while (node)
{
next=node->next;
switch(drawitems[node->itemindex].rendertype)
{
case GLDIT_FLAT:
SortPlaneIntoPlane(head,node);
break;
case GLDIT_WALL:
SortWallIntoPlane(head,node);
break;
case GLDIT_SPRITE:
SortSpriteIntoPlane(head,node);
break;
}
node=next;
}
}
else
{
sn=FindSortWall(head);
if (sn)
{
if (sn==head) head=head->next;
sn->UnlinkFromChain();
node=head;
head=sn;
while (node)
{
next=node->next;
switch(drawitems[node->itemindex].rendertype)
{
case GLDIT_WALL:
SortWallIntoWall(di, head,node);
break;
case GLDIT_SPRITE:
SortSpriteIntoWall(head,node);
break;
case GLDIT_FLAT: break;
}
node=next;
}
}
else
{
return SortSpriteList(head);
}
}
if (head->left) head->left=DoSort(di, head->left);
if (head->right) head->right=DoSort(di, head->right);
return sn;
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::Sort(HWDrawInfo *di)
{
MakeSortList();
sorted = DoSort(di, SortNodes[SortNodeStart]);
}
//==========================================================================
//
// Sorting the drawitems first by texture and then by light level.
//
//==========================================================================
void HWDrawList::SortWalls()
{
if (drawitems.Size() > 1)
{
std::sort(drawitems.begin(), drawitems.end(), [=](const GLDrawItem &a, const GLDrawItem &b) -> bool
{
GLWall * w1 = walls[a.index];
GLWall * w2 = walls[b.index];
if (w1->gltexture != w2->gltexture) return w1->gltexture < w2->gltexture;
return (w1->flags & 3) < (w2->flags & 3);
});
}
}
void HWDrawList::SortFlats()
{
if (drawitems.Size() > 1)
{
std::sort(drawitems.begin(), drawitems.end(), [=](const GLDrawItem &a, const GLDrawItem &b)
{
GLFlat * w1 = flats[a.index];
GLFlat* w2 = flats[b.index];
return w1->gltexture < w2->gltexture;
});
}
}
//==========================================================================
//
//
//
//==========================================================================
GLWall *HWDrawList::NewWall()
{
auto wall = (GLWall*)RenderDataAllocator.Alloc(sizeof(GLWall));
drawitems.Push(GLDrawItem(GLDIT_WALL, walls.Push(wall)));
return wall;
}
//==========================================================================
//
//
//
//==========================================================================
GLFlat *HWDrawList::NewFlat()
{
auto flat = (GLFlat*)RenderDataAllocator.Alloc(sizeof(GLFlat));
drawitems.Push(GLDrawItem(GLDIT_FLAT,flats.Push(flat)));
return flat;
}
//==========================================================================
//
//
//
//==========================================================================
GLSprite *HWDrawList::NewSprite()
{
auto sprite = (GLSprite*)RenderDataAllocator.Alloc(sizeof(GLSprite));
drawitems.Push(GLDrawItem(GLDIT_SPRITE, sprites.Push(sprite)));
return sprite;
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::DoDraw(HWDrawInfo *di, int pass, int i, bool trans)
{
switch(drawitems[i].rendertype)
{
case GLDIT_FLAT:
{
GLFlat * f= flats[drawitems[i].index];
RenderFlat.Clock();
di->DrawFlat(f, pass, trans);
RenderFlat.Unclock();
}
break;
case GLDIT_WALL:
{
GLWall * w= walls[drawitems[i].index];
RenderWall.Clock();
di->DrawWall(w, pass);
RenderWall.Unclock();
}
break;
case GLDIT_SPRITE:
{
GLSprite * s= sprites[drawitems[i].index];
RenderSprite.Clock();
di->DrawSprite(s, pass);
RenderSprite.Unclock();
}
break;
}
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::Draw(HWDrawInfo *di, int pass, bool trans)
{
for (unsigned i = 0; i < drawitems.Size(); i++)
{
DoDraw(di, pass, i, trans);
}
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::DrawWalls(HWDrawInfo *di, int pass)
{
RenderWall.Clock();
for (auto &item : drawitems)
{
di->DrawWall(walls[item.index], pass);
}
RenderWall.Unclock();
}
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::DrawFlats(HWDrawInfo *di, int pass)
{
RenderFlat.Clock();
for (unsigned i = 0; i<drawitems.Size(); i++)
{
di->DrawFlat(flats[drawitems[i].index], pass, false);
}
RenderFlat.Unclock();
}

113
src/hwrenderer/scene/hw_drawlist.h Normal file
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@ -0,0 +1,113 @@
#pragma once
#include "hwrenderer/scene/hw_drawinfo.h"
#include "memarena.h"
extern FMemArena RenderDataAllocator;
void ResetRenderDataAllocator();
//==========================================================================
//
// Intermediate struct to link one draw item into a draw list
//
// unfortunately this struct must not contain pointers because
// the arrays may be reallocated!
//
//==========================================================================
enum GLDrawItemType
{
GLDIT_WALL,
GLDIT_FLAT,
GLDIT_SPRITE,
};
struct GLDrawItem
{
GLDrawItemType rendertype;
int index;
GLDrawItem(GLDrawItemType _rendertype,int _index) : rendertype(_rendertype),index(_index) {}
};
struct SortNode
{
int itemindex;
SortNode * parent;
SortNode * next; // unsorted successor
SortNode * left; // left side of this node
SortNode * equal; // equal to this node
SortNode * right; // right side of this node
void UnlinkFromChain();
void Link(SortNode * hook);
void AddToEqual(SortNode * newnode);
void AddToLeft (SortNode * newnode);
void AddToRight(SortNode * newnode);
};
//==========================================================================
//
// One draw list. This contains all info for one type of rendering data
//
//==========================================================================
struct HWDrawList
{
//private:
TArray<GLWall*> walls;
TArray<GLFlat*> flats;
TArray<GLSprite*> sprites;
TArray<GLDrawItem> drawitems;
int SortNodeStart;
SortNode * sorted;
public:
HWDrawList()
{
next=NULL;
SortNodeStart=-1;
sorted=NULL;
}
~HWDrawList()
{
Reset();
}
unsigned int Size()
{
return drawitems.Size();
}
GLWall *NewWall();
GLFlat *NewFlat();
GLSprite *NewSprite();
void Reset();
void SortWalls();
void SortFlats();
void MakeSortList();
SortNode * FindSortPlane(SortNode * head);
SortNode * FindSortWall(SortNode * head);
void SortPlaneIntoPlane(SortNode * head,SortNode * sort);
void SortWallIntoPlane(SortNode * head,SortNode * sort);
void SortSpriteIntoPlane(SortNode * head,SortNode * sort);
void SortWallIntoWall(HWDrawInfo *di, SortNode * head,SortNode * sort);
void SortSpriteIntoWall(SortNode * head,SortNode * sort);
int CompareSprites(SortNode * a,SortNode * b);
SortNode * SortSpriteList(SortNode * head);
SortNode * DoSort(HWDrawInfo *di, SortNode * head);
void Sort(HWDrawInfo *di);
void DoDraw(HWDrawInfo *di, int pass, int index, bool trans);
void Draw(HWDrawInfo *di, int pass, bool trans = false);
void DrawWalls(HWDrawInfo *di, int pass);
void DrawFlats(HWDrawInfo *di, int pass);
HWDrawList * next;
} ;

2
src/hwrenderer/scene/hw_drawstructs.h
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@ -144,7 +144,7 @@ public:
LORGT,
};
friend struct GLDrawList;
friend struct HWDrawList;
friend class GLPortal;
vertex_t * vertexes[2]; // required for polygon splitting