68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2015 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_UI_GRAPHICS_CONTEXT_H_
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#define XENIA_UI_GRAPHICS_CONTEXT_H_
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#include <memory>
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#include "el/graphics/renderer.h"
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#include "xenia/profiling.h"
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namespace xe {
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namespace ui {
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class Window;
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class GraphicsContext {
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public:
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virtual ~GraphicsContext();
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Window* target_window() const { return target_window_; }
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virtual std::unique_ptr<GraphicsContext> CreateShared() = 0;
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virtual std::unique_ptr<ProfilerDisplay> CreateProfilerDisplay() = 0;
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virtual std::unique_ptr<el::graphics::Renderer> CreateElementalRenderer() = 0;
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virtual bool is_current() = 0;
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virtual bool MakeCurrent() = 0;
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virtual void ClearCurrent() = 0;
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virtual void BeginSwap() = 0;
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virtual void EndSwap() = 0;
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protected:
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explicit GraphicsContext(Window* target_window);
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Window* target_window_ = nullptr;
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};
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struct GraphicsContextLock {
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explicit GraphicsContextLock(GraphicsContext* context) : context_(context) {
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was_current_ = context_->is_current();
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if (!was_current_) {
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context_->MakeCurrent();
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}
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}
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~GraphicsContextLock() {
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if (!was_current_) {
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context_->ClearCurrent();
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}
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}
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private:
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bool was_current_ = false;
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GraphicsContext* context_ = nullptr;
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};
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} // namespace ui
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} // namespace xe
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#endif // XENIA_UI_GRAPHICS_CONTEXT_H_
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