Implement missing WinRT functions

- Fix buildsystem for WinRT/UWP platform.
- Add audio driver and joystick mapping for WinRT.
- Enable thread class for WinRT.
- Refactor MSVC compiler architecture detection to methods.py, so it can
  be used by Windows and WinRT.

1 files changed, 109 insertions, 0 deletions

diff --git a/platform/winrt/audio_driver_winrt.h b/platform/winrt/audio_driver_winrt.h
new file mode 100644
index 0000000000..d7a69994f8
--- /dev/null
+++ b/platform/winrt/audio_driver_winrt.h
@@ -0,0 +1,109 @@
+/*************************************************************************/
+/*  audio_driver_winrt.h                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef AUDIO_DRIVER_WINRT_H
+#define AUDIO_DRIVER_WINRT_H
+
+#include "servers/audio/audio_server_sw.h"
+
+#include "core/os/thread.h"
+#include "core/os/mutex.h"
+
+#include <windows.h>
+#include <mmsystem.h>
+#include <mmreg.h>
+#include <xaudio2.h>
+#include <wrl/client.h>
+
+class AudioDriverWinRT : public AudioDriverSW {
+
+	enum {
+		AUDIO_BUFFERS = 2
+	};
+
+	struct XAudio2DriverVoiceCallback : public IXAudio2VoiceCallback {
+
+		HANDLE buffer_end_event;
+		XAudio2DriverVoiceCallback() : buffer_end_event(CreateEvent(NULL, FALSE, FALSE, NULL)) {}
+		void STDMETHODCALLTYPE OnBufferEnd(void* pBufferContext) { /*print_line("buffer ended");*/ SetEvent(buffer_end_event); }
+
+		//Unused methods are stubs
+		void STDMETHODCALLTYPE OnStreamEnd() { }
+		void STDMETHODCALLTYPE OnVoiceProcessingPassEnd() { }
+		void STDMETHODCALLTYPE OnVoiceProcessingPassStart(UINT32 SamplesRequired) {    }
+		void STDMETHODCALLTYPE OnBufferStart(void * pBufferContext) {    }
+		void STDMETHODCALLTYPE OnLoopEnd(void * pBufferContext) {    }
+		void STDMETHODCALLTYPE OnVoiceError(void * pBufferContext, HRESULT Error) { }
+
+	};
+
+	Thread* thread;
+	Mutex* mutex;
+
+	int32_t* samples_in;
+	int16_t* samples_out[AUDIO_BUFFERS];
+
+	static void thread_func(void* p_udata);
+	int buffer_size;
+
+	unsigned int mix_rate;
+	OutputFormat output_format;
+
+	int channels;
+
+	bool active;
+	bool thread_exited;
+	mutable bool exit_thread;
+	bool pcm_open;
+
+	WAVEFORMATEX wave_format;
+	Microsoft::WRL::ComPtr<IXAudio2> xaudio;
+	int current_buffer;
+	IXAudio2MasteringVoice* mastering_voice;
+	XAUDIO2_BUFFER xaudio_buffer[AUDIO_BUFFERS];
+	IXAudio2SourceVoice* source_voice;
+	XAudio2DriverVoiceCallback* voice_callback;
+
+public:
+
+	const char* get_name() const;
+
+	virtual Error init();
+	virtual void start();
+	virtual int get_mix_rate() const;
+	virtual OutputFormat get_output_format() const;
+	virtual float get_latency();
+	virtual void lock();
+	virtual void unlock();
+	virtual void finish();
+
+	AudioDriverWinRT();
+	~AudioDriverWinRT();
+};
+
+#endif