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// 
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#ifndef _NVWAVEWORKS_GRAPHICS_CONTEXT_H
#define _NVWAVEWORKS_GRAPHICS_CONTEXT_H

#include "Internal.h"

namespace WaveWorks_Internal
{
	class Graphics_Context
	{
	public:

		Graphics_Context(ID3D11DeviceContext* pDC) :
			m_gfxAPI(nv_water_d3d_api_d3d11),
			m_ctx(pDC)
		{
		}

	#if WAVEWORKS_ENABLE_D3D11
		ID3D11DeviceContext* d3d11() const
		{
			assert(nv_water_d3d_api_d3d11 == m_gfxAPI);
			return m_ctx._d3d11;
		}
	#endif

		Graphics_Context(sce::Gnmx::LightweightGfxContext* pGC) :
			m_gfxAPI(nv_water_d3d_api_gnm),
			m_ctx(pGC)
		{
		}

	#if WAVEWORKS_ENABLE_GNM
		sce::Gnmx::LightweightGfxContext* gnm() const
		{
			assert(nv_water_d3d_api_gnm == m_gfxAPI);
			return m_ctx._gnm;
		}
	#endif

	private:

		nv_water_d3d_api m_gfxAPI;

		union Ctx
		{
			Ctx(ID3D11DeviceContext* pDC) : _d3d11(pDC) {}
			ID3D11DeviceContext* _d3d11;

			Ctx(sce::Gnmx::LightweightGfxContext* pGC) : _gnm(pGC) {}
			sce::Gnmx::LightweightGfxContext* _gnm;

		} m_ctx;

	};
}

#endif	// _NVWAVEWORKS_GRAPHICS_CONTEXT_H