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[sw] Separate draw frames from render frames

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This is necessary because fisheye rendering draws the scene up to 6
times per frame, which results in many of the limits being hit
prematurely, but updating r_framecount that often breaks dynamic lights.
This commit is contained in:
Bill Currie 2023-06-29 01:26:54 +09:00
parent 585f1161db
commit 2a9e700c92
3 changed files with 7 additions and 4 deletions
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1
include/d_iface.h
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@ -112,6 +112,7 @@ typedef struct
int color;
} zpointdesc_t;
extern int d_framecount;
extern int r_drawflat;
extern int r_framecount; // sequence # of current frame since Quake
// started

9
libs/video/renderer/sw/sw_rdraw.c
View file

@ -70,6 +70,7 @@ int r_emitted;
float r_nearzi;
float r_u1, r_v1, r_lzi1;
int r_ceilv1;
int d_framecount;
bool r_lastvertvalid;
@ -171,7 +172,7 @@ R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1)
// we cache unclipped horizontal edges as fully clipped
if (cacheoffset != 0x7FFFFFFF) {
cacheoffset = FULLY_CLIPPED_CACHED |
(r_framecount & FRAMECOUNT_MASK);
(d_framecount & FRAMECOUNT_MASK);
}
return; // horizontal edge
@ -288,7 +289,7 @@ R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip)
// we do cache fully clipped edges
if (!r_leftclipped)
cacheoffset = FULLY_CLIPPED_CACHED |
(r_framecount & FRAMECOUNT_MASK);
(d_framecount & FRAMECOUNT_MASK);
return;
}
// only point 0 is clipped
@ -397,7 +398,7 @@ R_RenderFace (uint32_t render_id, msurface_t *fa, int clipflags)
if (!insubmodel) {
if (r_pedge->cachededgeoffset & FULLY_CLIPPED_CACHED) {
if ((r_pedge->cachededgeoffset & FRAMECOUNT_MASK) ==
(unsigned int) r_framecount) {
(unsigned int) d_framecount) {
r_lastvertvalid = false;
continue;
}
@ -432,7 +433,7 @@ R_RenderFace (uint32_t render_id, msurface_t *fa, int clipflags)
if (!insubmodel) {
if (r_pedge->cachededgeoffset & FULLY_CLIPPED_CACHED) {
if ((r_pedge->cachededgeoffset & FRAMECOUNT_MASK) ==
(unsigned int) r_framecount) {
(unsigned int) d_framecount) {
r_lastvertvalid = false;
continue;
}

1
libs/video/renderer/sw/sw_rmain.c
View file

@ -679,6 +679,7 @@ R_RenderView (void)
if ((intptr_t) (&r_colormap) & 3)
Sys_Error ("Globals are missaligned");
d_framecount++;
R_RenderView_ ();
}