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any res "blocky fuzz"

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This commit is contained in:
Roman Fomin 2023-12-07 21:43:22 +07:00
parent 1b5722120d
commit c354a52af4
1 changed files with 31 additions and 38 deletions
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69
src/r_draw.c
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@ -517,33 +517,29 @@ static void R_DrawFuzzColumn_orig(void)
} }
} }
// [FG] "blocky" spectre drawing for hires mode: // [FG] "blocky" spectre drawing for hires mode
// draw only even columns, in each column
// draw only even pixels as 2x2 squares
// using the same fuzzoffset value
// TODO
#if 0
static void R_DrawFuzzColumn_block(void) static void R_DrawFuzzColumn_block(void)
{ {
int count; int count;
byte *dest; byte *dest;
boolean cutoff = false; boolean cutoff = false;
const int nx = video.xscale >> FRACBITS;
const int ny = video.yscale >> FRACBITS;
// [FG] draw only even columns if (dc_x % nx)
if (dc_x & 1)
return; return;
// [FG] draw only even pixels dc_yl += ny;
dc_yl = (dc_yl + 1) & ~1; dc_yl -= dc_yl % ny;
dc_yh &= (int)~1; dc_yh -= dc_yh % ny;
if (!dc_yl) if (!dc_yl)
dc_yl = 2; dc_yl = ny;
if (dc_yh == viewheight-2) if (dc_yh >= viewheight - ny)
{ {
dc_yh = viewheight - 4; dc_yh = viewheight - 2 * ny;
cutoff = true; cutoff = true;
} }
@ -562,40 +558,40 @@ static void R_DrawFuzzColumn_block(void)
dest = ylookup[dc_yl] + columnofs[dc_x]; dest = ylookup[dc_yl] + columnofs[dc_x];
count+=2; count += ny;
do do
{ {
// [FG] draw only even pixels as 2x2 squares // [FG] draw only even pixels as (nx * ny) squares
// using the same fuzzoffset value // using the same fuzzoffset value
const byte fuzz = fullcolormap[6*256+dest[fuzzoffset[fuzzpos] ? -2*linesize : 2*linesize]]; const int offset = fuzzoffset[fuzzpos] ? -ny * linesize : ny * linesize;
const byte fuzz = fullcolormap[6 * 256 + dest[offset]];
int i;
dest[0] = fuzz; for (i = 0; i < ny && count - i > 0; i++)
dest[1] = fuzz; {
dest += linesize; memset(dest, fuzz, nx);
dest += linesize;
dest[0] = fuzz; }
dest[1] = fuzz;
dest += linesize;
fuzzpos++; fuzzpos++;
fuzzpos &= (fuzzpos - FUZZTABLE) >> (8*sizeof fuzzpos-1); fuzzpos &= (fuzzpos - FUZZTABLE) >> (8 * sizeof(fuzzpos) - 1);
} }
while (count -= 2); while ((count -= ny) > 0);
if (cutoff) if (cutoff)
{ {
const byte fuzz = fullcolormap[6*256+dest[2*linesize*fuzzoffset[fuzzpos]]]; const int offset = ny * linesize * fuzzoffset[fuzzpos];
const byte fuzz = fullcolormap[6 * 256 + dest[offset]];
int i;
dest[0] = fuzz; for (i = 0; i < ny; i++)
dest[1] = fuzz; {
dest += linesize; memset(dest, fuzz, nx);
dest += linesize;
dest[0] = fuzz; }
dest[1] = fuzz;
} }
} }
#endif
// [FG] spectre drawing mode: 0 original, 1 blocky (hires) // [FG] spectre drawing mode: 0 original, 1 blocky (hires)
@ -603,12 +599,9 @@ int fuzzcolumn_mode;
void (*R_DrawFuzzColumn) (void) = R_DrawFuzzColumn_orig; void (*R_DrawFuzzColumn) (void) = R_DrawFuzzColumn_orig;
void R_SetFuzzColumnMode (void) void R_SetFuzzColumnMode (void)
{ {
// TODO if (fuzzcolumn_mode)
#if 0
if (fuzzcolumn_mode && hires)
R_DrawFuzzColumn = R_DrawFuzzColumn_block; R_DrawFuzzColumn = R_DrawFuzzColumn_block;
else else
#endif
R_DrawFuzzColumn = R_DrawFuzzColumn_orig; R_DrawFuzzColumn = R_DrawFuzzColumn_orig;
} }