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- use std::sort to sort the draw lists to avoid having to go through global variables.

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This commit is contained in:
Christoph Oelckers 2018-04-02 20:10:51 +02:00
parent 5d94af913a
commit 6641d65237
1 changed files with 22 additions and 42 deletions
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64
src/gl/scene/gl_drawinfo.cpp
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@ -605,17 +605,6 @@ inline int GLDrawList::CompareSprites(SortNode * a,SortNode * b)
else return (i_compatflags & COMPATF_SPRITESORT)? s1->index-s2->index : s2->index-s1->index;
}
//==========================================================================
//
//
//
//==========================================================================
static GLDrawList * gd;
int CompareSprite(const void * a,const void * b)
{
return gd->CompareSprites(*(SortNode**)a,*(SortNode**)b);
}
//==========================================================================
//
//
@ -633,8 +622,11 @@ SortNode * GLDrawList::SortSpriteList(SortNode * head)
sortspritelist.Clear();
for(count=0,n=head;n;n=n->next) sortspritelist.Push(n);
gd=this;
qsort(&sortspritelist[0],sortspritelist.Size(),sizeof(SortNode *),CompareSprite);
std::sort(sortspritelist.begin(), sortspritelist.end(), [=](SortNode *a, SortNode *b)
{
return CompareSprites(a, b);
});
for(i=0;i<sortspritelist.Size();i++)
{
sortspritelist[i]->next=NULL;
@ -908,38 +900,20 @@ void GLDrawList::DrawDecals()
// Sorting the drawitems first by texture and then by light level.
//
//==========================================================================
static GLDrawList * sortinfo;
static int diwcmp (const void *a, const void *b)
{
const GLDrawItem * di1 = (const GLDrawItem *)a;
GLWall * w1=&sortinfo->walls[di1->index];
const GLDrawItem * di2 = (const GLDrawItem *)b;
GLWall * w2=&sortinfo->walls[di2->index];
if (w1->gltexture != w2->gltexture) return w1->gltexture - w2->gltexture;
return ((w1->flags & 3) - (w2->flags & 3));
}
static int difcmp (const void *a, const void *b)
{
const GLDrawItem * di1 = (const GLDrawItem *)a;
GLFlat * w1=&sortinfo->flats[di1->index];
const GLDrawItem * di2 = (const GLDrawItem *)b;
GLFlat* w2=&sortinfo->flats[di2->index];
return w1->gltexture - w2->gltexture;
}
void GLDrawList::SortWalls()
{
if (drawitems.Size() > 1)
{
sortinfo=this;
qsort(&drawitems[0], drawitems.Size(), sizeof(drawitems[0]), diwcmp);
std::sort(drawitems.begin(), drawitems.end(), [=](const GLDrawItem &a, const GLDrawItem &b) -> int
{
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));
});
}
}
@ -947,8 +921,12 @@ void GLDrawList::SortFlats()
{
if (drawitems.Size() > 1)
{
sortinfo=this;
qsort(&drawitems[0], drawitems.Size(), sizeof(drawitems[0]), difcmp);
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;
});
}
}
@ -988,6 +966,8 @@ void GLDrawList::AddSprite(GLSprite * sprite)
// Try to reuse the lists as often as possible as they contain resources that
// are expensive to create and delete.
//
// Note: If multithreading gets used, this class needs synchronization.
//
//==========================================================================
FDrawInfo *FDrawInfoList::GetNew()