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Viewport: Split sprite sort regions when more than 60 sprites present

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pull/132/head
Jonathan G Rennison 4 years ago
parent 6e6be7f36f
commit 4d9e07e885
4 changed files with 151 additions and 31 deletions
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151
src/viewport.cpp
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@ -154,6 +154,7 @@ struct ChildScreenSpriteToDraw {
int32 x;
int32 y;
int next; ///< next child to draw (-1 at the end)
bool relative;
};
/**
@ -235,6 +236,11 @@ struct ViewportDrawer {
int *last_child;
SpriteCombineMode combine_sprites; ///< Current mode of "sprite combining". @see StartSpriteCombine
uint combine_psd_index;
int combine_left;
int combine_right;
int combine_top;
int combine_bottom;
int foundation[FOUNDATION_PART_END]; ///< Foundation sprites (index into parent_sprites_to_draw).
FoundationPart foundation_part; ///< Currently active foundation for ground sprite drawing.
@ -746,14 +752,21 @@ static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z
Point pt = RemapCoords(x, y, z);
const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
int left = pt.x + spr->x_offs;
int right = pt.x + spr->x_offs + spr->width;
int top = pt.y + spr->y_offs;
int bottom = pt.y + spr->y_offs + spr->height;
if (left >= _vd.dpi.left + _vd.dpi.width ||
right <= _vd.dpi.left ||
top >= _vd.dpi.top + _vd.dpi.height ||
bottom <= _vd.dpi.top)
return;
const ParentSpriteToDraw &pstd = _vd.parent_sprites_to_draw.back();
AddChildSpriteScreen(image, pal, pt.x - pstd.left, pt.y - pstd.top, false, sub, false);
AddChildSpriteScreen(image, pal, pt.x, pt.y, false, sub, false, false);
if (left < _vd.combine_left) _vd.combine_left = left;
if (right > _vd.combine_right) _vd.combine_right = right;
if (top < _vd.combine_top) _vd.combine_top = top;
if (bottom > _vd.combine_bottom) _vd.combine_bottom = bottom;
}
/**
@ -802,22 +815,26 @@ void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w,
Point pt = RemapCoords(x, y, z);
int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
uint16 tmp_width, tmp_height;
/* Compute screen extents of sprite */
if (image == SPR_EMPTY_BOUNDING_BOX) {
if (unlikely(image == SPR_EMPTY_BOUNDING_BOX)) {
left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
tmp_width = tmp_height = 0;
} else {
const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
left = tmp_left = (pt.x += spr->x_offs);
right = (pt.x + spr->width );
top = tmp_top = (pt.y += spr->y_offs);
bottom = (pt.y + spr->height);
tmp_width = spr->width;
tmp_height = spr->height;
}
if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
if (unlikely(_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX))) {
/* Compute maximal extents of sprite and its bounding box */
left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
@ -853,12 +870,23 @@ void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w,
ps.zmin = z + bb_offset_z;
ps.zmax = z + max(bb_offset_z, dz) - 1;
ps.comparison_done = false;
ps.first_child = -1;
ps.width = tmp_width;
ps.height = tmp_height;
/* bit 15 of ps.height */
// ps.comparison_done = false;
_vd.last_child = &ps.first_child;
if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) {
_vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
_vd.combine_psd_index = _vd.parent_sprites_to_draw.size() - 1;
_vd.combine_left = tmp_left;
_vd.combine_right = right;
_vd.combine_top = tmp_top;
_vd.combine_bottom = bottom;
}
}
/**
@ -892,6 +920,13 @@ void StartSpriteCombine()
void EndSpriteCombine()
{
assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
ParentSpriteToDraw &ps = _vd.parent_sprites_to_draw[_vd.combine_psd_index];
ps.left = _vd.combine_left;
ps.top = _vd.combine_top;
ps.width = _vd.combine_right - _vd.combine_left;
ps.height = _vd.combine_bottom - _vd.combine_top;
}
_vd.combine_sprites = SPRITE_COMBINE_NONE;
}
@ -936,12 +971,13 @@ static bool IsInsideSelectedRectangle(int x, int y)
*
* @param image the image to draw.
* @param pal the provided palette.
* @param x sprite x-offset (screen coordinates) relative to parent sprite.
* @param y sprite y-offset (screen coordinates) relative to parent sprite.
* @param x sprite x-offset (screen coordinates), optionally relative to parent sprite.
* @param y sprite y-offset (screen coordinates), optionally relative to parent sprite.
* @param transparent if true, switch the palette between the provided palette and the transparent palette,
* @param sub Only draw a part of the sprite.
* @param relative Whether coordinates are relative.
*/
void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale, bool relative)
{
assert((image & SPRITE_MASK) < MAX_SPRITES);
@ -964,6 +1000,7 @@ void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool tran
cs.x = scale ? x * ZOOM_LVL_BASE : x;
cs.y = scale ? y * ZOOM_LVL_BASE : y;
cs.next = -1;
cs.relative = relative;
/* Append the sprite to the active ChildSprite list.
* If the active ParentSprite is a foundation, update last_foundation_child as well.
@ -1648,17 +1685,17 @@ static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
while (psd != psdvend) {
ParentSpriteToDraw *ps = *psd;
if (ps->comparison_done) {
if (ps->IsComparisonDone()) {
psd++;
continue;
}
ps->comparison_done = true;
ps->SetComparisonDone(true);
for (auto psd2 = psd + 1; psd2 != psdvend; psd2++) {
ParentSpriteToDraw *ps2 = *psd2;
if (ps2->comparison_done) continue;
if (ps2->IsComparisonDone()) continue;
/* Decide which comparator to use, based on whether the bounding
* boxes overlap
@ -1707,7 +1744,13 @@ static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const
while (child_idx >= 0) {
const ChildScreenSpriteToDraw *cs = csstdv->data() + child_idx;
child_idx = cs->next;
DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
int x = cs->x;
int y = cs->y;
if (cs->relative) {
x += ps->left;
y += ps->top;
}
DrawSpriteViewport(cs->image, cs->pal, x, y, cs->sub);
}
}
}
@ -2718,6 +2761,77 @@ void ViewportMapDraw(const ViewPort * const vp)
}
}
static void ViewportProcessParentSprites()
{
if (_vd.parent_sprites_to_sort.size() > 60 && (_cur_dpi->width >= 256 || _cur_dpi->height >= 256) && !_draw_bounding_boxes) {
/* split drawing region */
ParentSpriteToSortVector all_sprites = std::move(_vd.parent_sprites_to_sort);
_vd.parent_sprites_to_sort.clear();
void *saved_dst_ptr = _cur_dpi->dst_ptr;
if (_cur_dpi->height > _cur_dpi->width) {
/* vertical split: upper half */
const int orig_height = _cur_dpi->height;
const int orig_top = _cur_dpi->top;
_cur_dpi->height = (orig_height / 2) & ScaleByZoom(-1, _cur_dpi->zoom);
int split = _cur_dpi->top + _cur_dpi->height;
for (ParentSpriteToDraw *psd : all_sprites) {
if (psd->top < split) _vd.parent_sprites_to_sort.push_back(psd);
}
ViewportProcessParentSprites();
_vd.parent_sprites_to_sort.clear();
/* vertical split: lower half */
_cur_dpi->dst_ptr = BlitterFactory::GetCurrentBlitter()->MoveTo(_cur_dpi->dst_ptr, 0, UnScaleByZoom(_cur_dpi->height, _cur_dpi->zoom));
_cur_dpi->top = split;
_cur_dpi->height = orig_height - _cur_dpi->height;
for (ParentSpriteToDraw *psd : all_sprites) {
psd->SetComparisonDone(false);
if (psd->top + psd->height > _cur_dpi->top) {
_vd.parent_sprites_to_sort.push_back(psd);
}
}
ViewportProcessParentSprites();
/* restore _cur_dpi */
_cur_dpi->height = orig_height;
_cur_dpi->top = orig_top;
} else {
/* horizontal split: left half */
const int orig_width = _cur_dpi->width;
const int orig_left = _cur_dpi->left;
_cur_dpi->width = (orig_width / 2) & ScaleByZoom(-1, _cur_dpi->zoom);
int split = _cur_dpi->left + _cur_dpi->width;
for (ParentSpriteToDraw *psd : all_sprites) {
if (psd->left < split) _vd.parent_sprites_to_sort.push_back(psd);
}
ViewportProcessParentSprites();
_vd.parent_sprites_to_sort.clear();
/* horizontal split: right half */
_cur_dpi->dst_ptr = BlitterFactory::GetCurrentBlitter()->MoveTo(_cur_dpi->dst_ptr, UnScaleByZoom(_cur_dpi->width, _cur_dpi->zoom), 0);
_cur_dpi->left = split;
_cur_dpi->width = orig_width - _cur_dpi->width;
for (ParentSpriteToDraw *psd : all_sprites) {
psd->SetComparisonDone(false);
if (psd->left + psd->width > _cur_dpi->left) {
_vd.parent_sprites_to_sort.push_back(psd);
}
}
ViewportProcessParentSprites();
/* restore _cur_dpi */
_cur_dpi->width = orig_width;
_cur_dpi->left = orig_left;
}
_cur_dpi->dst_ptr = saved_dst_ptr;
} else {
_vp_sprite_sorter(&_vd.parent_sprites_to_sort);
ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
}
}
void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
{
DrawPixelInfo *old_dpi = _cur_dpi;
@ -2775,8 +2889,7 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
_vd.parent_sprites_to_sort.push_back(&psd);
}
_vp_sprite_sorter(&_vd.parent_sprites_to_sort);
ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
ViewportProcessParentSprites();
if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
}

2
src/viewport_func.h
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@ -59,7 +59,7 @@ void OffsetGroundSprite(int x, int y);
void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub = nullptr, int extra_offs_x = 0, int extra_offs_y = 0);
void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = nullptr, int extra_offs_x = 0, int extra_offs_y = 0);
void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent = false, int bb_offset_x = 0, int bb_offset_y = 0, int bb_offset_z = 0, const SubSprite *sub = nullptr);
void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = nullptr, bool scale = true);
void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = nullptr, bool scale = true, bool relative = true);
void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2 = 0, Colours colour = INVALID_COLOUR);

15
src/viewport_sprite_sorter.h
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@ -9,13 +9,18 @@
#include "stdafx.h"
#include "core/smallvec_type.hpp"
#include "core/bitmath_func.hpp"
#include "gfx_type.h"
#ifndef VIEWPORT_SPRITE_SORTER_H
#define VIEWPORT_SPRITE_SORTER_H
/** Parent sprite that should be drawn */
struct ParentSpriteToDraw {
#ifdef _MSC_VER
struct __declspec(align(16)) ParentSpriteToDraw {
#else
struct __attribute__ ((aligned (16))) ParentSpriteToDraw {
#endif
/* Block of 16B loadable in xmm register */
int32 xmin; ///< minimal world X coordinate of bounding box
int32 ymin; ///< minimal world Y coordinate of bounding box
@ -36,8 +41,14 @@ struct ParentSpriteToDraw {
int32 top; ///< minimal screen Y coordinate of sprite (= y + sprite->y_offs), reference point for child sprites
int32 first_child; ///< the first child to draw.
bool comparison_done; ///< Used during sprite sorting: true if sprite has been compared with all other sprites
uint16 width; ///< sprite width
uint16 height; ///< sprite height, bit 15: comparison_done: used during sprite sorting: true if sprite has been compared with all other sprites
bool IsComparisonDone() const { return HasBit(this->height, 15); }
void SetComparisonDone(bool done) { SB(this->height, 15, 1, done ? 1 : 0); }
};
assert_compile((sizeof(ParentSpriteToDraw) % 16) == 0);
assert_compile(sizeof(ParentSpriteToDraw) <= 64);
typedef std::vector<ParentSpriteToDraw*> ParentSpriteToSortVector;

14
src/viewport_sprite_sorter_sse4.cpp
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@ -16,12 +16,8 @@
#include "safeguards.h"
#ifdef _SQ64
assert_compile((sizeof(ParentSpriteToDraw) % 16) == 0);
#define LOAD_128 _mm_load_si128
#else
#define LOAD_128 _mm_loadu_si128
#endif
assert_compile((sizeof(ParentSpriteToDraw) % 16) == 0);
#define LOAD_128 _mm_load_si128
/** Sort parent sprites pointer array using SSE4.1 optimizations. */
void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv)
@ -32,17 +28,17 @@ void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv)
while (psd != psdvend) {
ParentSpriteToDraw * const ps = *psd;
if (ps->comparison_done) {
if (ps->IsComparisonDone()) {
psd++;
continue;
}
ps->comparison_done = true;
ps->SetComparisonDone(true);
for (auto psd2 = psd + 1; psd2 != psdvend; psd2++) {
ParentSpriteToDraw * const ps2 = *psd2;
if (ps2->comparison_done) continue;
if (ps2->IsComparisonDone()) continue;
/*
* Decide which comparator to use, based on whether the bounding boxes overlap

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