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Sprite cache: Allow caching only required subset of sprite zoom levels

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Enable for blitters based on 32bpp_optimized or SSE
This commit is contained in:
Jonathan G Rennison
2023-08-22 22:16:04 +01:00
parent 785216db73
commit 46f5fb9f25
28 changed files with 423 additions and 172 deletions
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15
src/blitter/32bpp_sse2.cpp
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@@ -28,6 +28,7 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca
*/
ZoomLevel zoom_min = ZOOM_LVL_NORMAL;
ZoomLevel zoom_max = ZOOM_LVL_NORMAL;
uint8 missing_zoom_levels = 0;
if (sprite->type != SpriteType::Font) {
zoom_min = _settings_client.gui.zoom_min;
zoom_max = (ZoomLevel) std::min(_settings_client.gui.zoom_max, ZOOM_LVL_DRAW_SPR);
@@ -40,6 +41,15 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca
uint all_sprites_size = 0;
for (ZoomLevel z = zoom_min; z <= zoom_max; z++) {
const SpriteLoader::Sprite *src_sprite = &sprite[z];
if (src_sprite->data == nullptr) {
sd.infos[z].sprite_offset = 0;
sd.infos[z].mv_offset = 0;
sd.infos[z].sprite_line_size = 0;
sd.infos[z].sprite_width = 0;
SetBit(missing_zoom_levels, z);
continue;
}
sd.infos[z].sprite_width = src_sprite->width;
sd.infos[z].sprite_offset = all_sprites_size;
sd.infos[z].sprite_line_size = sizeof(Colour) * src_sprite->width + sizeof(uint32) * META_LENGTH;
@@ -56,6 +66,8 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca
dst_sprite->width = sprite->width;
dst_sprite->x_offs = sprite->x_offs;
dst_sprite->y_offs = sprite->y_offs;
dst_sprite->next = nullptr;
dst_sprite->missing_zoom_levels = missing_zoom_levels;
memcpy(dst_sprite->data, &sd, sizeof(SpriteData));
/* Copy colours and determine flags. */
@@ -64,6 +76,9 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca
bool has_translucency = false;
for (ZoomLevel z = zoom_min; z <= zoom_max; z++) {
const SpriteLoader::Sprite *src_sprite = &sprite[z];
if (src_sprite->data == nullptr) {
continue;
}
const SpriteLoader::CommonPixel *src = (const SpriteLoader::CommonPixel *) src_sprite->data;
Colour *dst_rgba_line = (Colour *) &dst_sprite->data[sizeof(SpriteData) + sd.infos[z].sprite_offset];
MapValue *dst_mv = (MapValue *) &dst_sprite->data[sizeof(SpriteData) + sd.infos[z].mv_offset];