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qt: Refactor renderers buffer ownership

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Invert the way buffers are created; make renderer create buffers for
renderer stack.
Use QImage bits as the buffer for software renderer.
This commit is contained in:
ts-korhonen
2022-01-15 21:45:34 +02:00
parent 07446719a4
commit 8c8e2219d8
8 changed files with 108 additions and 44 deletions
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15
src/qt/qt_hardwarerenderer.hpp
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@@ -15,6 +15,9 @@
#include <atomic>
#include <mutex>
#include <array>
#include <vector>
#include <memory>
#include <QApplication>
#include "qt_renderercomon.hpp"
@@ -44,9 +47,17 @@ public:
void resizeGL(int w, int h) override;
void initializeGL() override;
void paintGL() override;
std::vector<std::tuple<uint8_t*, std::atomic_flag*>> getBuffers() override;
HardwareRenderer(QWidget* parent = nullptr, RenderType rtype = RenderType::OpenGL)
: QOpenGLWindow(QOpenGLWindow::NoPartialUpdate, parent->windowHandle()), QOpenGLFunctions()
{
imagebufs[0] = std::unique_ptr<uint8_t>(new uint8_t[2048 * 2048 * 4]);
imagebufs[1] = std::unique_ptr<uint8_t>(new uint8_t[2048 * 2048 * 4]);
buf_usage = std::vector<std::atomic_flag>(2);
buf_usage[0].clear();
buf_usage[1].clear();
setMinimumSize(QSize(16, 16));
setFlags(Qt::FramelessWindowHint);
parentWidget = parent;
@@ -71,9 +82,11 @@ public:
void setRenderType(RenderType type);
public slots:
void onBlit(const std::unique_ptr<uint8_t>* img, int, int, int, int, std::atomic_flag* in_use);
void onBlit(int buf_idx, int x, int y, int w, int h);
protected:
std::array<std::unique_ptr<uint8_t>, 2> imagebufs;
void resizeEvent(QResizeEvent *event) override;
bool event(QEvent* event) override;
};