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QT Frontend: Migrate to QOpenGLWindow

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This commit is contained in:
James Rowe 2019-01-11 21:06:34 -07:00
parent 125599c2d5
commit c6a0ab9792
4 changed files with 113 additions and 30 deletions
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39
src/core/frontend/emu_window.h
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@ -12,6 +12,23 @@
namespace Core::Frontend {
/**
* Represents a graphics context that can be used for background computation or drawing. If the
* graphics backend doesn't require the context, then the implementation of these methods can be
* stubs
*/
class GraphicsContext {
public:
/// Makes the graphics context current for the caller thread
virtual void MakeCurrent() = 0;
/// Releases (dunno if this is the "right" word) the context from the caller thread
virtual void DoneCurrent() = 0;
/// Swap buffers to display the next frame
virtual void SwapBuffers() = 0;
};
/**
* Abstraction class used to provide an interface between emulation code and the frontend
* (e.g. SDL, QGLWidget, GLFW, etc...).
@ -30,7 +47,7 @@ namespace Core::Frontend {
* - DO NOT TREAT THIS CLASS AS A GUI TOOLKIT ABSTRACTION LAYER. That's not what it is. Please
* re-read the upper points again and think about it if you don't see this.
*/
class EmuWindow {
class EmuWindow : public GraphicsContext {
public:
/// Data structure to store emuwindow configuration
struct WindowConfig {
@ -40,17 +57,21 @@ public:
std::pair<unsigned, unsigned> min_client_area_size;
};
/// Swap buffers to display the next frame
virtual void SwapBuffers() = 0;
/// Polls window events
virtual void PollEvents() = 0;
/// Makes the graphics context current for the caller thread
virtual void MakeCurrent() = 0;
/// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
virtual void DoneCurrent() = 0;
/**
* Returns a GraphicsContext that the frontend provides that is shared with the emu window. This
* context can be used from other threads for background graphics computation. If the frontend
* is using a graphics backend that doesn't need anything specific to run on a different thread,
* then it can use a stubbed implemenation for GraphicsContext.
*
* If the return value is null, then the core should assume that the frontend cannot provide a
* Shared Context
*/
virtual std::unique_ptr<GraphicsContext> CreateSharedContext() const {
return nullptr;
}
/**
* Signal that a touch pressed event has occurred (e.g. mouse click pressed)