removing "backend" from internal namespaces

src/internal/platform.h

@@ -0,0 +1,100 @@
+#pragma once
+#include <blah/common.h>
+#include <blah/filesystem.h>
+#include <blah/input.h>
+#include <blah/containers/vector.h>
+
+namespace Blah
+{
+	struct Config;
+
+	namespace Platform
+	{
+		// Initialize the System
+		bool init(const Config& config);
+
+		// Called after the on_startup callback, but before the update loop begins
+		void ready();
+
+		// Called during shutdown
+		void shutdown();
+
+		// The time, in ticks (microseconds) since the Application was started
+		u64 ticks();
+
+		// Called every frame
+		void update(InputState& state);
+
+		// Sleeps the current thread
+		void sleep(int milliseconds);
+
+		// Called to present the window contents
+		void present();
+
+		// Gets the Application Window Title in UTF-8
+		const char* get_title();
+
+		// Sets the Application Window Title in UTF-8
+		void set_title(const char* title);
+
+		// Gets the Application Window Position, in Screen Coordinates
+		void get_position(int* x, int* y);
+
+		// Sets the Application Window Position, in Screen Coordinates
+		void set_position(int x, int y);
+
+		// Sets the Window Fullscreen if enabled is not 0
+		void set_fullscreen(bool enabled);
+
+		// Gets the Application Window Size, in Screen Coordinates
+		void get_size(int* width, int* height);
+
+		// Sets the Application Window Size, in Screen Coordinates
+		void set_size(int width, int height);
+
+		// Gets the Application Window Drawing Size, in Pixels. This may differ from the Window Size on hi-dpi displays.
+		void get_draw_size(int* width, int* height);
+
+		// Gets the Desktop Content Scale. Gui should be scaled by this value
+		float get_content_scale();
+
+		// Returns the absoluate path to the directory that the application was started from
+		const char* app_path();
+
+		// Returns the absolute path to the user directory where save data and settings should be stored
+		const char* user_path();
+
+		// Opens a file and sets the handle, or returns an empty handle if it fails
+		FileRef file_open(const char* path, FileMode mode);
+
+		// Returns true if a file with the given path exists
+		bool file_exists(const char* path);
+
+		// Returns true if a file with the given path was deleted
+		bool file_delete(const char* path);
+
+		// Returns true if a directory with the given path was successfully created
+		bool dir_create(const char* path);
+
+		// Returns true if a directory with the given path exists
+		bool dir_exists(const char* path);
+
+		// Returns true if a directory with the given path was deleted
+		bool dir_delete(const char* path);
+
+		// enumerates a directory and appends each file to the given list
+		void dir_enumerate(Vector<FilePath>& list, const char* path, bool recursive);
+
+		// opens a directory in the OS file explorer / finder
+		void dir_explore(const char* path);
+
+		// OpenGL Methods
+		void* gl_get_func(const char* name);
+		void* gl_context_create();
+		void gl_context_make_current(void* context);
+		void gl_context_destroy(void* context);
+
+		// D3D11 Methods
+		void* d3d11_get_hwnd();
+	}
+}