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AGS: Defer texture update until update_screen()

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kichikuou
2025-02-22 15:24:27 +09:00
parent 71bc53e9b1
commit 446d34132a
7 changed files with 17 additions and 54 deletions
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src/sys/ags.cpp
+11 -24
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@@ -36,7 +36,7 @@ SDL_Texture* create_scanline_texture(SDL_Renderer* renderer, int width, int heig
} // namespace
AGS::AGS(const Config& config, const GameId& game_id) : game_id(game_id), dirty(false)
AGS::AGS(const Config& config, const GameId& game_id) : game_id(game_id)
{
// 画面サイズ
if (game_id.is(GameId::GAKUEN)) {
@@ -357,6 +357,7 @@ void AGS::set_palette(int index, uint8_t r, uint8_t g, uint8_t b)
}
SDL_SetPaletteColors(screen_palette, &color, index, 1);
SDL_SetPaletteColors(program_palette, &color, index, 1);
dirty_rect = {0, 0, screen_width, screen_height};
}
std::vector<uint32_t> AGS::get_screen_palette() const
@@ -380,7 +381,6 @@ void AGS::fade_out(int duration_ms, bool white)
g_nact->sys_sleep(16);
int t = SDL_GetTicks() - dwStart;
fade_level = t >= duration_ms ? 255 : t * 255 / duration_ms;
dirty = true;
}
update_screen();
}
@@ -395,37 +395,29 @@ void AGS::fade_in(int duration_ms)
g_nact->sys_sleep(16);
int t = SDL_GetTicks() - dwStart;
fade_level = t >= duration_ms ? 0 : (duration_ms - t) * 255 / duration_ms;
dirty = true;
}
update_screen();
}
void AGS::flush_screen(bool update)
{
if (update)
draw_screen(0, 0, screen_width, screen_height);
else
dirty = true;
}
void AGS::draw_screen(int sx, int sy, int width, int height)
{
SDL_Rect rect = {sx, sy, width, height};
SDL_Rect screen_rect = {0, 0, screen_width, screen_height};
SDL_IntersectRect(&rect, &screen_rect, &rect);
SDL_Surface *sf;
SDL_LockTextureToSurface(sdlTexture, &rect, &sf);
SDL_BlitSurface(hBmpScreen[0], &rect, sf, NULL);
SDL_UnlockTexture(sdlTexture);
dirty = true;
SDL_UnionRect(&dirty_rect, &rect, &dirty_rect);
}
void AGS::update_screen()
{
if (!dirty)
return;
SDL_RenderClear(g_renderer);
if (!SDL_RectEmpty(&dirty_rect)) {
SDL_Surface *sf;
SDL_LockTextureToSurface(sdlTexture, &dirty_rect, &sf);
SDL_BlitSurface(hBmpScreen[0], &dirty_rect, sf, NULL);
SDL_UnlockTexture(sdlTexture);
dirty_rect = {};
}
SDL_RenderClear(g_renderer);
SDL_Rect src = {0, 0, screen_width, screen_height};
SDL_Rect dest = {0, 0, screen_width, screen_height};
if (scroll > 0) {
@@ -447,20 +439,15 @@ void AGS::update_screen()
if (scanline_texture)
SDL_RenderCopy(g_renderer, scanline_texture, NULL, NULL);
SDL_RenderPresent(g_renderer);
dirty = false;
}
void AGS::set_scanline_mode(bool enable)
{
if (enable && !scanline_texture) {
scanline_texture = create_scanline_texture(g_renderer, screen_width, screen_height);
dirty = true;
update_screen();
} else if (!enable && scanline_texture) {
SDL_DestroyTexture(scanline_texture);
scanline_texture = NULL;
dirty = true;
update_screen();
}
}