add sdl implementation

1 files changed, 24 insertions, 0 deletions

diff --git a/app/sdl/impl/display-sdl.hh b/app/sdl/impl/display-sdl.hh
new file mode 100644
index 0000000..9310eca
--- /dev/null
+++ b/app/sdl/impl/display-sdl.hh
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "nes/common/display.hh"
+
+#include <SDL3/SDL.h>
+
+namespace nes::app::sdl
+{
+	/// Display implementation rendering contents into an SDL texture.
+	class display_sdl final : public display
+	{
+		SDL_Texture* texture_{ nullptr };
+		u32 buffer_back_[width * height]{};
+
+	public:
+		explicit display_sdl() = default;
+
+		auto get_texture() const -> SDL_Texture* { return texture_; }
+		auto set_texture(SDL_Texture* v) -> void { texture_ = v; }
+
+		auto switch_buffers() -> void override;
+		auto set(u32 x, u32 y, rgb value) -> void override;
+	};
+} // namespace nes::app::sdl