summaryrefslogtreecommitdiffstats
path: root/src/core/frontend/graphics_context.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/frontend/graphics_context.h')
-rw-r--r--src/core/frontend/graphics_context.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/core/frontend/graphics_context.h b/src/core/frontend/graphics_context.h
new file mode 100644
index 000000000..7554c1583
--- /dev/null
+++ b/src/core/frontend/graphics_context.h
@@ -0,0 +1,62 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include "common/dynamic_library.h"
+
+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() {}
+
+ /// Gets the GPU driver library (used by Android only)
+ virtual std::shared_ptr<Common::DynamicLibrary> GetDriverLibrary() {
+ 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