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Add some helpers on DrawSegmentClipInfo

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This commit is contained in:
Magnus Norddahl 2019-11-13 04:17:46 +01:00
commit 88848f1d59
12 changed files with 122 additions and 75 deletions
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58
src/rendering/swrenderer/segments/r_drawsegment.cpp
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@ -134,7 +134,7 @@ namespace swrenderer
if (ds->drawsegclip.silhouette & SIL_BOTTOM)
{
short *clip1 = clipbottom + ds->x1;
const short *clip2 = ds->drawsegclip.sprbottomclip;
const short *clip2 = ds->drawsegclip.sprbottomclip + ds->x1;
int i = ds->x2 - ds->x1;
do
{
@ -148,7 +148,7 @@ namespace swrenderer
if (ds->drawsegclip.silhouette & SIL_TOP)
{
short *clip1 = cliptop + ds->x1;
const short *clip2 = ds->drawsegclip.sprtopclip;
const short *clip2 = ds->drawsegclip.sprtopclip + ds->x1;
int i = ds->x2 - ds->x1;
do
{
@ -168,4 +168,58 @@ namespace swrenderer
SegmentGroups.Push(group);
}
}
/////////////////////////////////////////////////////////////////////////
void DrawSegmentClipInfo::SetTopClip(RenderThread* thread, int x1, int x2, const short* ceilingclip)
{
short* clip = thread->FrameMemory->AllocMemory<short>(x2 - x1);
memcpy(clip, ceilingclip + x1, (x2 - x1) * sizeof(short));
sprtopclip = clip - x1;
}
void DrawSegmentClipInfo::SetTopClip(RenderThread* thread, int x1, int x2, short value)
{
short* clip = thread->FrameMemory->AllocMemory<short>(x2 - x1);
for (int i = 0; i < x2 - x1; i++)
clip[i] = value;
sprtopclip = clip - x1;
}
void DrawSegmentClipInfo::SetBottomClip(RenderThread* thread, int x1, int x2, const short* floorclip)
{
short* clip = thread->FrameMemory->AllocMemory<short>(x2 - x1);
memcpy(clip, floorclip + x1, (x2 - x1) * sizeof(short));
sprbottomclip = clip - x1;
}
void DrawSegmentClipInfo::SetBottomClip(RenderThread* thread, int x1, int x2, short value)
{
short* clip = thread->FrameMemory->AllocMemory<short>(x2 - x1);
for (int i = 0; i < x2 - x1; i++)
clip[i] = value;
sprbottomclip = clip - x1;
}
void DrawSegmentClipInfo::SetBackupClip(RenderThread* thread, int x1, int x2, const short* ceilingclip)
{
short* clip = thread->FrameMemory->AllocMemory<short>(x2 - x1);
memcpy(clip, ceilingclip + x1, (x2 - x1) * sizeof(short));
bkup = clip - x1;
}
void DrawSegmentClipInfo::SetRangeDrawn(int x1, int x2)
{
sprclipped = true;
fillshort(const_cast<short*>(sprtopclip) + x1, x2 - x1, viewheight);
}
void DrawSegmentClipInfo::SetRangeUndrawn(int x1, int x2)
{
if (sprclipped)
{
sprclipped = false;
memcpy(const_cast<short*>(sprtopclip) + x1, bkup + x1, (x2 - x1) * sizeof(short));
}
}
}