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Code Issues Releases Activity

Offloaded xbrz upscaling to background threads

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This commit is contained in:
Ivan Savenko
2025-01-21 21:14:49 +00:00
parent 391986e0ba
commit c3fb76b56f
4 changed files with 142 additions and 21 deletions
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11
client/renderSDL/SDLImage.h
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@@ -27,14 +27,16 @@ struct SDL_Palette;
class SDLImageShared final : public ISharedImage, public std::enable_shared_from_this<SDLImageShared>, boost::noncopyable
{
//Surface without empty borders
SDL_Surface * surf;
SDL_Surface * surf = nullptr;
SDL_Palette * originalPalette;
SDL_Palette * originalPalette = nullptr;
//size of left and top borders
Point margins;
//total size including borders
Point fullSize;
std::atomic_bool upscalingInProgress = false;
// Keep the original palette, in order to do color switching operation
void savePalette();
@@ -47,8 +49,11 @@ public:
SDLImageShared(const ImagePath & filename);
//Create using existing surface, extraRef will increase refcount on SDL_Surface
SDLImageShared(SDL_Surface * from);
/// Creates image at specified scaling factor from source image
SDLImageShared(const SDLImageShared * from, int integerScaleFactor, EScalingAlgorithm algorithm);
~SDLImageShared();
void scaledDraw(SDL_Surface * where, SDL_Palette * palette, const Point & scaling, const Point & dest, const Rect * src, const ColorRGBA & colorMultiplier, uint8_t alpha, EImageBlitMode mode) const override;
void draw(SDL_Surface * where, SDL_Palette * palette, const Point & dest, const Rect * src, const ColorRGBA & colorMultiplier, uint8_t alpha, EImageBlitMode mode) const override;
void exportBitmap(const boost::filesystem::path & path, SDL_Palette * palette) const override;
@@ -56,6 +61,8 @@ public:
bool isTransparent(const Point & coords) const override;
Rect contentRect() const override;
bool isLoading() const override;
const SDL_Palette * getPalette() const override;
[[nodiscard]] std::shared_ptr<const ISharedImage> horizontalFlip() const override;