initial

public/irendertorthelperobject.h

@@ -0,0 +1,84 @@
+//===== Copyright <20> 2013-2013, Valve Corporation, All rights reserved. ======//
+//
+// Purpose: Interface to help with rendering CMDLs & CMergedMDLs to textures.
+//
+//===========================================================================//
+
+
+#ifndef IRENDERTORTHELPEROBJECT_H
+#define IRENDERTORTHELPEROBJECT_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#include "materialsystem/imaterialsystem.h"
+#include "mathlib/camera.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class ITexture;
+
+class IRenderToRTHelperObject
+{
+public:
+	virtual void Draw( const matrix3x4_t &rootToWorld ) = 0;
+	virtual bool GetBoundingSphere( Vector &vecCenter, float &flRadius ) = 0;
+	virtual ITexture *GetEnvCubeMap() = 0;
+};
+
+enum RenderToRTStage_t
+{
+	RENDER_TO_RT_STAGE_CREATED = 0,
+	RENDER_TO_RT_STAGE_STARTED,
+	RENDER_TO_RT_STAGE_WAITING_FOR_READ_BACK,
+	RENDER_TO_RT_STAGE_WAITING_FOR_RESULT,
+	RENDER_TO_RT_STAGE_DONE,
+
+	RENDER_TO_RT_STAGE_UNDEFINED = -1
+};
+
+struct RenderToRTData_t
+{
+	RenderToRTData_t() 
+		: m_pObject( NULL )
+		, m_pResultVTF( NULL )
+		, m_pszIconNameSuffix( NULL )
+		, m_stage( RENDER_TO_RT_STAGE_UNDEFINED )
+	{
+	}
+
+	IRenderToRTHelperObject *m_pObject;
+	IVTFTexture *m_pResultVTF;
+
+	MaterialLightingState_t m_LightingState;
+	QAngle m_cameraAngles;
+	Vector m_cameraOffset;
+	float m_cameraFOV;
+	Camera_t m_Camera;
+	matrix3x4_t m_rootToWorld;
+
+	RenderToRTStage_t m_stage;
+
+	const char *m_pszIconNameSuffix;
+
+	bool m_bUsingExplicitModelCameraPosAnglesFromAttachment;
+
+};
+
+class IRenderToRTHelper
+{
+public:
+	virtual bool Init() = 0;
+	virtual void Shutdown() = 0;
+	virtual RenderToRTData_t *CreateRenderToRTData( IRenderToRTHelperObject *pObject, IVTFTexture *pResultVTF ) = 0;
+	virtual void StartRenderToRT( RenderToRTData_t *pRendertoRTData ) = 0;
+	virtual void DestroyRenderToRTData( RenderToRTData_t *pRendertoRTData ) = 0;
+	virtual bool Process() = 0;
+};
+
+#define RENDER_TO_RT_HELPER_INTERFACE_VERSION	"RenderToRTHelper001"
+extern IRenderToRTHelper *g_pRenderToRTHelper;
+
+#endif // IRENDERTORTHELPEROBJECT_H