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Code Issues Releases Wiki Activity

Use invalidation for OpenGL drawing engine

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ζeh Matt
2025-04-05 16:05:14 +03:00
parent 4e8ac7ea12
commit 7a2f314aa9
1 changed files with 27 additions and 1 deletions
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28
src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp
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@@ -31,6 +31,7 @@
#include <openrct2/drawing/Drawing.h>
#include <openrct2/drawing/IDrawingContext.h>
#include <openrct2/drawing/IDrawingEngine.h>
#include <openrct2/drawing/InvalidationGrid.h>
#include <openrct2/drawing/LightFX.h>
#include <openrct2/drawing/Weather.h>
#include <openrct2/interface/Screenshot.h>
@@ -196,6 +197,7 @@ private:
std::unique_ptr<OpenGLFramebuffer> _scaleFramebuffer;
std::unique_ptr<OpenGLFramebuffer> _smoothScaleFramebuffer;
OpenGLWeatherDrawer _weatherDrawer;
InvalidationGrid _invalidationGrid;
public:
SDL_Color Palette[256];
@@ -246,10 +248,19 @@ public:
{
ConfigureBits(width, height, width);
ConfigureCanvas();
ConfigureDirtyGrid();
_drawingContext->Resize(width, height);
_drawingContext->Clear(_bitsDPI, PaletteIndex::pi10);
}
void ConfigureDirtyGrid()
{
const auto blockWidth = 1u << 7;
const auto blockHeight = 1u << 5;
_invalidationGrid.reset(_width, _height, blockWidth, blockHeight);
}
void SetPalette(const GamePalette& palette) override
{
for (int32_t i = 0; i < 256; i++)
@@ -281,6 +292,7 @@ public:
void Invalidate(int32_t left, int32_t top, int32_t right, int32_t bottom) override
{
_invalidationGrid.invalidate(left, top, right, bottom);
}
void BeginDraw() override
@@ -326,7 +338,21 @@ public:
void PaintWindows() override
{
WindowUpdateAllViewports();
WindowDrawAll(_bitsDPI, 0, 0, _width, _height);
DrawAllDirtyBlocks();
}
void DrawAllDirtyBlocks()
{
_invalidationGrid.traverseDirtyCells([this](int32_t left, int32_t top, int32_t right, int32_t bottom) {
// Draw region
DrawDirtyBlocks(left, top, right, bottom);
});
}
void DrawDirtyBlocks(int32_t left, int32_t top, int32_t right, int32_t bottom)
{
// Draw region
WindowDrawAll(_bitsDPI, left, top, right, bottom);
}
void PaintWeather() override