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Merged R_DrawMaskedColumnHoriz into R_DrawMaskedColumn

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This commit is contained in:
Magnus Norddahl 2016-10-14 08:33:59 +02:00
parent 2a0ab96341
commit 366d494b18
6 changed files with 49 additions and 128 deletions
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2
src/r_draw.h
View file

@ -143,7 +143,6 @@ extern void (*R_DrawSpanMaskedAddClamp)(void);
// [RH] Span blit into an interleaved intermediate buffer
extern void (*R_DrawColumnHoriz)(void);
void R_DrawMaskedColumnHoriz (const BYTE *column, const FTexture::Span *spans);
// [RH] Initialize the above pointers
void R_InitColumnDrawers ();
@ -225,6 +224,7 @@ extern void (*rt_tlaterevsubclamp4cols)(int sx, int yl, int yh);
extern void (*rt_initcols)(BYTE *buffer);
extern void (*rt_span_coverage)(int x, int start, int stop);
void rt_flip_posts();
void rt_draw4cols (int sx);
// [RH] Preps the temporary horizontal buffer.

115
src/r_drawt.cpp
View file

@ -839,6 +839,21 @@ void rt_tlaterevsubclamp4cols_c (int sx, int yl, int yh)
rt_revsubclamp4cols(sx, yl, yh);
}
// Reorder the posts so that they get drawn top-to-bottom instead of bottom-to-top.
void rt_flip_posts()
{
unsigned int *front = horizspan[dc_x & 3];
unsigned int *back = dc_ctspan[dc_x & 3] - 2;
while (front < back)
{
swapvalues(front[0], back[0]);
swapvalues(front[1], back[1]);
front += 2;
back -= 2;
}
}
// Copies all spans in all four columns to the screen starting at sx.
// sx should be dword-aligned.
void rt_draw4cols (int sx)
@ -1115,103 +1130,3 @@ void R_FillColumnHorizP_C (void)
dest += 8;
} while (--count);
}
// Same as R_DrawMaskedColumn() except that it always uses R_DrawColumnHoriz().
void R_DrawMaskedColumnHoriz (const BYTE *column, const FTexture::Span *span)
{
int pixelsize = r_swtruecolor ? 4 : 1;
int inputpixelsize = (r_swtruecolor && !drawer_needs_pal_input) ? 4 : 1;
const fixed_t texturemid = FLOAT2FIXED(dc_texturemid);
while (span->Length != 0)
{
const int length = span->Length;
const int top = span->TopOffset;
// calculate unclipped screen coordinates for post
dc_yl = xs_RoundToInt(sprtopscreen + spryscale * top);
dc_yh = xs_RoundToInt(sprtopscreen + spryscale * (top + length) - 1);
if (sprflipvert)
{
swapvalues (dc_yl, dc_yh);
}
if (dc_yh >= mfloorclip[dc_x])
{
dc_yh = mfloorclip[dc_x] - 1;
}
if (dc_yl < mceilingclip[dc_x])
{
dc_yl = mceilingclip[dc_x];
}
if (dc_yl <= dc_yh)
{
if (sprflipvert)
{
dc_texturefrac = (dc_yl*dc_iscale) - (top << FRACBITS)
- fixed_t(CenterY * dc_iscale) - texturemid;
const fixed_t maxfrac = length << FRACBITS;
while (dc_texturefrac >= maxfrac)
{
if (++dc_yl > dc_yh)
goto nextpost;
dc_texturefrac += dc_iscale;
}
fixed_t endfrac = dc_texturefrac + (dc_yh-dc_yl)*dc_iscale;
while (endfrac < 0)
{
if (--dc_yh < dc_yl)
goto nextpost;
endfrac -= dc_iscale;
}
}
else
{
dc_texturefrac = texturemid - (top << FRACBITS)
+ (dc_yl*dc_iscale) - fixed_t((CenterY-1) * dc_iscale);
while (dc_texturefrac < 0)
{
if (++dc_yl > dc_yh)
goto nextpost;
dc_texturefrac += dc_iscale;
}
fixed_t endfrac = dc_texturefrac + (dc_yh-dc_yl)*dc_iscale;
const fixed_t maxfrac = length << FRACBITS;
if (dc_yh < mfloorclip[dc_x]-1 && endfrac < maxfrac - dc_iscale)
{
dc_yh++;
}
else while (endfrac >= maxfrac)
{
if (--dc_yh < dc_yl)
goto nextpost;
endfrac -= dc_iscale;
}
}
dc_source = column + top * inputpixelsize;
dc_dest = (ylookup[dc_yl] + dc_x) * pixelsize + dc_destorg;
dc_count = dc_yh - dc_yl + 1;
hcolfunc_pre ();
}
nextpost:
span++;
}
if (sprflipvert)
{
unsigned int *front = horizspan[dc_x&3];
unsigned int *back = dc_ctspan[dc_x&3] - 2;
// Reorder the posts so that they get drawn top-to-bottom
// instead of bottom-to-top.
while (front < back)
{
swapvalues (front[0], back[0]);
swapvalues (front[1], back[1]);
front += 2;
back -= 2;
}
}
}

24
src/r_segs.cpp
View file

@ -173,7 +173,7 @@ CVAR(Bool, r_drawmirrors, true, 0)
float *MaskedSWall;
float MaskedScaleY;
static void BlastMaskedColumn (void (*blastfunc)(const BYTE *pixels, const FTexture::Span *spans), FTexture *tex)
static void BlastMaskedColumn (FTexture *tex, bool useRt)
{
// calculate lighting
if (fixedcolormap == NULL && fixedlightlev < 0)
@ -202,7 +202,7 @@ static void BlastMaskedColumn (void (*blastfunc)(const BYTE *pixels, const FText
pixels = (const BYTE *)tex->GetColumnBgra(maskedtexturecol[dc_x] >> FRACBITS, &spans);
else
pixels = tex->GetColumn(maskedtexturecol[dc_x] >> FRACBITS, &spans);
blastfunc (pixels, spans);
R_DrawMaskedColumn(pixels, spans, useRt);
rw_light += rw_lightstep;
spryscale += rw_scalestep;
}
@ -445,7 +445,7 @@ void R_RenderMaskedSegRange (drawseg_t *ds, int x1, int x2)
{
for (dc_x = x1; dc_x < x2; ++dc_x)
{
BlastMaskedColumn (R_DrawMaskedColumn, tex);
BlastMaskedColumn (tex, false);
}
}
else
@ -460,24 +460,24 @@ void R_RenderMaskedSegRange (drawseg_t *ds, int x1, int x2)
while ((dc_x < stop) && (dc_x & 3))
{
BlastMaskedColumn (R_DrawMaskedColumn, tex);
BlastMaskedColumn (tex, false);
dc_x++;
}
while (dc_x < stop)
{
rt_initcols(nullptr);
BlastMaskedColumn (R_DrawMaskedColumnHoriz, tex); dc_x++;
BlastMaskedColumn (R_DrawMaskedColumnHoriz, tex); dc_x++;
BlastMaskedColumn (R_DrawMaskedColumnHoriz, tex); dc_x++;
BlastMaskedColumn (R_DrawMaskedColumnHoriz, tex);
BlastMaskedColumn (tex, true); dc_x++;
BlastMaskedColumn (tex, true); dc_x++;
BlastMaskedColumn (tex, true); dc_x++;
BlastMaskedColumn (tex, true);
rt_draw4cols (dc_x - 3);
dc_x++;
}
while (dc_x < x2)
{
BlastMaskedColumn (R_DrawMaskedColumn, tex);
BlastMaskedColumn (tex, false);
dc_x++;
}
}
@ -3218,7 +3218,7 @@ static void R_RenderDecal (side_t *wall, DBaseDecal *decal, drawseg_t *clipper,
{ // calculate lighting
R_SetColorMapLight(usecolormap, rw_light, wallshade);
}
R_WallSpriteColumn (R_DrawMaskedColumn);
R_WallSpriteColumn (false);
dc_x++;
}
@ -3231,7 +3231,7 @@ static void R_RenderDecal (side_t *wall, DBaseDecal *decal, drawseg_t *clipper,
rt_initcols(nullptr);
for (int zz = 4; zz; --zz)
{
R_WallSpriteColumn (R_DrawMaskedColumnHoriz);
R_WallSpriteColumn (true);
dc_x++;
}
rt_draw4cols (dc_x - 4);
@ -3243,7 +3243,7 @@ static void R_RenderDecal (side_t *wall, DBaseDecal *decal, drawseg_t *clipper,
{ // calculate lighting
R_SetColorMapLight(usecolormap, rw_light, wallshade);
}
R_WallSpriteColumn (R_DrawMaskedColumn);
R_WallSpriteColumn (false);
dc_x++;
}
}

24
src/r_things.cpp
View file

@ -250,7 +250,7 @@ double sprtopscreen;
bool sprflipvert;
void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *span)
void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *span, bool useRt)
{
int pixelsize = r_swtruecolor ? 4 : 1;
int inputpixelsize = (r_swtruecolor && !drawer_needs_pal_input) ? 4 : 1;
@ -326,11 +326,17 @@ void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *span)
dc_source = column + top * inputpixelsize;
dc_dest = (ylookup[dc_yl] + dc_x) * pixelsize + dc_destorg;
dc_count = dc_yh - dc_yl + 1;
if (useRt)
hcolfunc_pre();
else
colfunc ();
}
nextpost:
span++;
}
if (sprflipvert && useRt)
rt_flip_posts();
}
// [ZZ]
@ -476,7 +482,7 @@ void R_DrawVisSprite (vissprite_t *vis)
pixels = tex->GetColumn (frac >> FRACBITS, &spans);
if (ispsprite || !R_ClipSpriteColumnWithPortals(vis))
R_DrawMaskedColumn (pixels, spans);
R_DrawMaskedColumn (pixels, spans, false);
dc_x++;
frac += xiscale;
}
@ -492,7 +498,7 @@ void R_DrawVisSprite (vissprite_t *vis)
pixels = tex->GetColumn (frac >> FRACBITS, &spans);
if (ispsprite || !R_ClipSpriteColumnWithPortals(vis))
R_DrawMaskedColumnHoriz (pixels, spans);
R_DrawMaskedColumn (pixels, spans, true);
dc_x++;
frac += xiscale;
}
@ -507,7 +513,7 @@ void R_DrawVisSprite (vissprite_t *vis)
pixels = tex->GetColumn (frac >> FRACBITS, &spans);
if (ispsprite || !R_ClipSpriteColumnWithPortals(vis))
R_DrawMaskedColumn (pixels, spans);
R_DrawMaskedColumn (pixels, spans, false);
dc_x++;
frac += xiscale;
}
@ -617,7 +623,7 @@ void R_DrawWallSprite(vissprite_t *spr)
R_SetColorMapLight(usecolormap, rw_light, shade);
}
if (!R_ClipSpriteColumnWithPortals(spr))
R_WallSpriteColumn(R_DrawMaskedColumn);
R_WallSpriteColumn(false);
dc_x++;
}
@ -631,7 +637,7 @@ void R_DrawWallSprite(vissprite_t *spr)
for (int zz = 4; zz; --zz)
{
if (!R_ClipSpriteColumnWithPortals(spr))
R_WallSpriteColumn(R_DrawMaskedColumnHoriz);
R_WallSpriteColumn(true);
dc_x++;
}
rt_draw4cols(dc_x - 4);
@ -644,14 +650,14 @@ void R_DrawWallSprite(vissprite_t *spr)
R_SetColorMapLight(usecolormap, rw_light, shade);
}
if (!R_ClipSpriteColumnWithPortals(spr))
R_WallSpriteColumn(R_DrawMaskedColumn);
R_WallSpriteColumn(false);
dc_x++;
}
}
R_FinishSetPatchStyle();
}
void R_WallSpriteColumn (void (*drawfunc)(const BYTE *column, const FTexture::Span *spans))
void R_WallSpriteColumn (bool useRt)
{
float iscale = swall[dc_x] * MaskedScaleY;
dc_iscale = FLOAT2FIXED(iscale);
@ -668,7 +674,7 @@ void R_WallSpriteColumn (void (*drawfunc)(const BYTE *column, const FTexture::Sp
else
column = WallSpriteTile->GetColumn (lwall[dc_x] >> FRACBITS, &spans);
dc_texturefrac = 0;
drawfunc (column, spans);
R_DrawMaskedColumn(column, spans, useRt);
rw_light += rw_lightstep;
}

4
src/r_things.h
View file

@ -126,8 +126,8 @@ extern double pspriteyscale;
extern FTexture *WallSpriteTile;
void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *spans);
void R_WallSpriteColumn (void (*drawfunc)(const BYTE *column, const FTexture::Span *spans));
void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *spans, bool usrRt);
void R_WallSpriteColumn (bool useRt);
void R_CacheSprite (spritedef_t *sprite);
void R_SortVisSprites (int (*compare)(const void *, const void *), size_t first);

6
src/v_draw.cpp
View file

@ -310,7 +310,7 @@ void DCanvas::DrawTextureParms(FTexture *img, DrawParms &parms)
else
pixels = img->GetColumn(frac >> FRACBITS, spanptr);
R_DrawMaskedColumn(pixels, spans);
R_DrawMaskedColumn(pixels, spans, false);
dc_x++;
frac += xiscale_i;
}
@ -325,7 +325,7 @@ void DCanvas::DrawTextureParms(FTexture *img, DrawParms &parms)
else
pixels = img->GetColumn(frac >> FRACBITS, spanptr);
R_DrawMaskedColumnHoriz(pixels, spans);
R_DrawMaskedColumn(pixels, spans, true);
dc_x++;
frac += xiscale_i;
}
@ -339,7 +339,7 @@ void DCanvas::DrawTextureParms(FTexture *img, DrawParms &parms)
else
pixels = img->GetColumn(frac >> FRACBITS, spanptr);
R_DrawMaskedColumn(pixels, spans);
R_DrawMaskedColumn(pixels, spans, false);
dc_x++;
frac += xiscale_i;
}