GalliumContext.h

/*
 * Copyright 2009, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Alexander von Gluck IV, kallisti5@unixzen.com
 */
#ifndef GALLIUMCONTEXT_H
#define GALLIUMCONTEXT_H


#include <stddef.h>
#include <kernel/image.h>

#include "pipe/p_compiler.h"
#include "pipe/p_screen.h"
#include "postprocess/filters.h"
#include "hgl_context.h"
#include "sw/hgl/hgl_sw_winsys.h"


class BBitmap;

class GalliumContext {
public:
							GalliumContext(ulong options);
							~GalliumContext();

		void				Lock();
		void				Unlock();

		context_id			CreateContext(HGLWinsysContext *wsContext);
		void				DestroyContext(context_id contextID);
		context_id			GetCurrentContext() { return fCurrentContext; };
		status_t			SetCurrentContext(bool set, context_id contextID);

		status_t			SwapBuffers(context_id contextID);
		void				Draw(context_id contextID, BRect updateRect);

		bool				Validate(uint32 width, uint32 height);
		void				Invalidate(uint32 width, uint32 height);

private:
		status_t			CreateDisplay();
		void				DestroyDisplay();
		void				Flush();

		ulong				fOptions;
		static int32		fDisplayRefCount;
		static hgl_display*	fDisplay;

		// Context Management
		struct hgl_context*	fContext[CONTEXT_MAX];
		context_id			fCurrentContext;
		mtx_t				fMutex;
};


#endif /* GALLIUMCONTEXT_H */