games/vcmi
1
0
Fork 0
mirror of https://github.com/vcmi/vcmi.git synced 2025-10-31 00:07:39 +02:00
Code Issues Releases Activity

Initial part of background scaling

Browse Source
This commit is contained in:
Ivan Savenko
2025-01-17 17:05:34 +00:00
parent c9dd3dab5d
commit 68bac73632
1 changed files with 33 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
client/renderSDL/ScalableImage.h
View File

@@ -15,6 +15,9 @@
#include "../../lib/Color.h"
#include <tbb/concurrent_queue.h>
#include <tbb/task_arena.h>
struct SDL_Palette;
class ScalableImageInstance;
@@ -44,9 +47,27 @@ struct ScalableImageParameters : boost::noncopyable
void adjustPalette(const SDL_Palette * originalPalette, EImageBlitMode blitMode, const ColorFilter & shifter, uint32_t colorsToSkipMask);
};
class ImageScaler
{
ImageScaler();
tbb::task_arena arena;
public:
static ImageScaler & getInstance()
{
static ImageScaler scaler;
return scaler;
}
void enqueueTask(const std::function<void()> & task)
{
arena.enqueue(task);
}
};
class ScalableImageShared final : public std::enable_shared_from_this<ScalableImageShared>, boost::noncopyable
{
static constexpr int maxScaling = 4;
static constexpr int scalingSize = 5; // 0-4 range. TODO: switch to either 2-4 or 1-4
static constexpr int maxFlips = 4;
using FlippedImages = std::array<std::shared_ptr<const ISharedImage>, maxFlips>;
@@ -63,18 +84,25 @@ class ScalableImageShared final : public std::enable_shared_from_this<ScalableIm
/// Upscaled overlay (player color, selection highlight) of our image, may be null
FlippedImages overlay;
// player-colored images of this particular scale. These are never flipped in h3
/// player-colored images of this particular scale, mostly for UI. These are never flipped in h3
PlayerColoredImages playerColored;
};
// 1x image, usually indexed. Array of 4 images for every potential flip
/// 1x image, usually indexed. Array of 4 images for every potential flip
FlippedImages base;
// 1x-4x images. 1x versions are only used if dedicated image is present, othervice palette transform is applied to base image
std::array<ScaledImage, maxScaling> scaled;
/// 1x-4x images. 1x are currently unused, but can be used for providing non-palette version of these images
std::array<ScaledImage, scalingSize> scaled;
/// Locator of this image, for loading additional (e.g. upscaled) images
const SharedImageLocator locator;
/// Contains all upscaling tasks related to this image that finished processing and can be applied
tbb::concurrent_queue<std::function<void()>> upscalingQueue;
/// Number of images that are currently being upscaled
int scheduledUpscalingEvents = 0;
std::shared_ptr<const ISharedImage> loadOrGenerateImage(EImageBlitMode mode, int8_t scalingFactor, PlayerColor color) const;
void loadScaledImages(int8_t scalingFactor, PlayerColor color);