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Merge branch 'sw-splat-npo2-slope-opt' into 'next'

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Add missing optimization to software npo2 sloped floor sprites

See merge request STJr/SRB2!1713
This commit is contained in:
LJ Sonic 2022-02-06 17:20:03 +00:00
commit 2e60de25ea
1 changed files with 42 additions and 30 deletions
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72
src/r_draw8_npo2.c
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@ -992,6 +992,9 @@ void R_DrawTiltedFloorSprite_NPO2_8(void)
double endz, endu, endv;
UINT32 stepu, stepv;
struct libdivide_u32_t x_divider = libdivide_u32_gen(ds_flatwidth);
struct libdivide_u32_t y_divider = libdivide_u32_gen(ds_flatheight);
iz = ds_szp->z + ds_szp->y*(centery-ds_y) + ds_szp->x*(ds_x1-centerx);
uz = ds_sup->z + ds_sup->y*(centery-ds_y) + ds_sup->x*(ds_x1-centerx);
vz = ds_svp->z + ds_svp->y*(centery-ds_y) + ds_svp->x*(ds_x1-centerx);
@ -1033,12 +1036,13 @@ void R_DrawTiltedFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)
@ -1065,12 +1069,13 @@ void R_DrawTiltedFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)
@ -1101,12 +1106,13 @@ void R_DrawTiltedFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)
@ -1142,6 +1148,9 @@ void R_DrawTiltedTranslucentFloorSprite_NPO2_8(void)
double endz, endu, endv;
UINT32 stepu, stepv;
struct libdivide_u32_t x_divider = libdivide_u32_gen(ds_flatwidth);
struct libdivide_u32_t y_divider = libdivide_u32_gen(ds_flatheight);
iz = ds_szp->z + ds_szp->y*(centery-ds_y) + ds_szp->x*(ds_x1-centerx);
uz = ds_sup->z + ds_sup->y*(centery-ds_y) + ds_sup->x*(ds_x1-centerx);
vz = ds_svp->z + ds_svp->y*(centery-ds_y) + ds_svp->x*(ds_x1-centerx);
@ -1183,12 +1192,13 @@ void R_DrawTiltedTranslucentFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)
@ -1215,12 +1225,13 @@ void R_DrawTiltedTranslucentFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)
@ -1251,12 +1262,13 @@ void R_DrawTiltedTranslucentFloorSprite_NPO2_8(void)
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
x += (libdivide_u32_do((UINT32)(-x-1), &x_divider) + 1) * ds_flatwidth;
else
x -= libdivide_u32_do((UINT32)x, &x_divider) * ds_flatwidth;
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
x %= ds_flatwidth;
y %= ds_flatheight;
y += (libdivide_u32_do((UINT32)(-y-1), &y_divider) + 1) * ds_flatheight;
else
y -= libdivide_u32_do((UINT32)y, &y_divider) * ds_flatheight;
val = source[((y * ds_flatwidth) + x)];
if (val & 0xFF00)