More work. Audio driver works enough to play music now.

GpCommon/EGpAudioDriverType.h

@@ -0,0 +1,8 @@
+#pragma once
+
+enum EGpAudioDriverType
+{
+	EGpAudioDriverType_XAudio2,
+
+	EGpAudioDriverType_Count,
+};

GpCommon/EGpDisplayDriverType.h

@@ -0,0 +1,8 @@
+#pragma once
+
+enum EGpDisplayDriverType
+{
+	EGpDisplayDriverType_D3D11,
+
+	EGpDisplayDriverType_Count,
+};

GpCommon/GpAudioDriverProperties.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "EGpAudioDriverType.h"
+
+class IGpAudioDriver;
+
+struct GpAudioDriverProperties
+{
+	EGpAudioDriverType m_type;
+
+	unsigned int m_sampleRate;
+	bool m_debug;
+};

GpCommon/GpCoreDefs.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#if __cplusplus >= 199711L
+#define GP_IS_CPP11 1
+#else
+#define GP_IS_CPP11 0
+#endif
+
+#if GP_IS_CPP11
+#define GP_DELETED = delete
+#else
+#ifndef nullptr
+#define nullptr 0
+#endif
+
+#ifndef override
+#define override
+#endif
+
+#ifndef final
+#define final
+#endif
+
+#define GP_DELETED
+#endif

GpCommon/GpDisplayDriverProperties.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "EGpDisplayDriverType.h"
+
+class IGpDisplayDriver;
+class GpFiber;
+
+struct GpDisplayDriverProperties
+{
+	typedef void(*TickFunc_t)(void *context, GpFiber *vosFiber);
+
+	EGpDisplayDriverType m_type;
+
+	unsigned int m_frameTimeLockNumerator;
+	unsigned int m_frameTimeLockDenominator;
+
+	unsigned int m_frameTimeLockMinNumerator;
+	unsigned int m_frameTimeLockMinDenominator;
+
+	unsigned int m_frameTimeLockMaxNumerator;
+	unsigned int m_frameTimeLockMaxDenominator;
+
+	// Tick function and context to call when a frame needs to be served.
+	TickFunc_t m_tickFunc;
+	void *m_tickFuncContext;
+};

GpCommon/GpWindows.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#define NOMINMAX
+#define WIN32_LEAN_AND_MEAN
+
+#include <Windows.h>
+
+struct GPWindowsGlobals
+{
+	HINSTANCE m_hInstance;
+	HINSTANCE m_hPrevInstance;
+	LPSTR m_cmdLine;
+	int m_nCmdShow;
+};
+
+extern GPWindowsGlobals g_gpWindowsGlobals;

GpCommon/IGpAudioChannel.h

@@ -0,0 +1,10 @@
+#pragma once
+
+struct IGpAudioChannelCallbacks;
+
+struct IGpAudioChannel
+{
+	virtual void SetAudioChannelContext(IGpAudioChannelCallbacks *callbacks) = 0;
+	virtual void PostBuffer(const void *buffer, size_t bufferSize) = 0;
+	virtual void Destroy() = 0;
+};

GpCommon/IGpAudioChannelCallbacks.h

@@ -0,0 +1,6 @@
+#pragma once
+
+struct IGpAudioChannelCallbacks
+{
+	virtual void NotifyBufferFinished() = 0;
+};

GpCommon/IGpAudioDriver.h

@@ -0,0 +1,13 @@
+#pragma once
+
+struct IGpAudioChannel;
+
+class IGpAudioDriver
+{
+public:
+	virtual ~IGpAudioDriver() {}
+
+	virtual IGpAudioChannel *CreateChannel() = 0;
+
+	virtual void Shutdown() = 0;
+};

GpCommon/IGpDisplayDriver.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "PixelFormat.h"
+
+// Display drivers are responsible for timing and calling the game tick function.
+class IGpDisplayDriver
+{
+public:
+	virtual ~IGpDisplayDriver() {}
+
+	virtual void Run() = 0;
+	virtual void Shutdown() = 0;
+
+	virtual void GetDisplayResolution(unsigned int *width, unsigned int *height, PortabilityLayer::PixelFormat *bpp) = 0;
+};