mirror of https://git.suyu.dev/suyu/suyu
core: frontend: Refactor GraphicsContext to its own module.
parent
32cf6beee3
commit
ae099d583c
@ -0,0 +1,69 @@
|
||||
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <optional>
|
||||
#include <string>
|
||||
|
||||
namespace Core::Frontend {
|
||||
|
||||
/**
|
||||
* Represents a drawing context that supports graphics operations.
|
||||
*/
|
||||
class GraphicsContext {
|
||||
public:
|
||||
virtual ~GraphicsContext() = default;
|
||||
|
||||
/// Inform the driver to swap the front/back buffers and present the current image
|
||||
virtual void SwapBuffers() {}
|
||||
|
||||
/// Makes the graphics context current for the caller thread
|
||||
virtual void MakeCurrent() {}
|
||||
|
||||
/// Releases (dunno if this is the "right" word) the context from the caller thread
|
||||
virtual void DoneCurrent() {}
|
||||
|
||||
/// Parameters used to configure custom drivers (used by Android only)
|
||||
struct CustomDriverParameters {
|
||||
std::string hook_lib_dir;
|
||||
std::string custom_driver_dir;
|
||||
std::string custom_driver_name;
|
||||
std::string file_redirect_dir;
|
||||
};
|
||||
|
||||
/// Gets custom driver parameters configured by the frontend (used by Android only)
|
||||
virtual std::optional<CustomDriverParameters> GetCustomDriverParameters() {
|
||||
return {};
|
||||
}
|
||||
|
||||
class Scoped {
|
||||
public:
|
||||
[[nodiscard]] explicit Scoped(GraphicsContext& context_) : context(context_) {
|
||||
context.MakeCurrent();
|
||||
}
|
||||
~Scoped() {
|
||||
if (active) {
|
||||
context.DoneCurrent();
|
||||
}
|
||||
}
|
||||
|
||||
/// In the event that context was destroyed before the Scoped is destroyed, this provides a
|
||||
/// mechanism to prevent calling a destroyed object's method during the deconstructor
|
||||
void Cancel() {
|
||||
active = false;
|
||||
}
|
||||
|
||||
private:
|
||||
GraphicsContext& context;
|
||||
bool active{true};
|
||||
};
|
||||
|
||||
/// Calls MakeCurrent on the context and calls DoneCurrent when the scope for the returned value
|
||||
/// ends
|
||||
[[nodiscard]] Scoped Acquire() {
|
||||
return Scoped{*this};
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace Core::Frontend
|
Loading…
Reference in New Issue