RV_Utils.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 * 
 * NAME:        RV_Utils.h ( RV Library, C++)
 *
 * COMMENTS:
 *      Utility functions for RV.
 */
#ifndef RV_Utils_h
#define RV_Utils_h

#include "RV_API.h"

#include <UT/UT_Vector3.h>
#include <UT/UT_Matrix4.h>
#include <UT/UT_UniquePtr.h>
#include <SYS/SYS_Types.h>

class RV_Render;
class RV_VKImage;

typedef UT_UniquePtr<RV_VKImage> RV_VKImagePtr;

namespace RV_Utils
{
/// Returns an 8b RGBA 64x64 texture with 0-1 random values in all comps.
extern RV_API RV_VKImagePtr getRandomTexture(RV_Render* r, 
                                             unsigned int seed,
                                             bool interp,
                                             int size = 64);
/// Returns an 8b RGBA size^3 3D texture with 0-1 random values
extern RV_API RV_VKImagePtr getRandomTexture3D(RV_Render* r, 
                                             unsigned int seed,
                                             bool interp,
                                             int size = 32);
/// Returns an 8b RGBA size^2 2D texture array of size 'num_layers'
extern RV_API RV_VKImagePtr getRandomTextureArray(RV_Render* r, 
                                             unsigned int seed,
                                             bool interp,
                                             int num_layers,
                                             int size = 64 );
/// Create a new 2D image from a 2D multisample image by increasing the
/// resolution of the 2D image to show all samples.
extern RV_API UT_UniquePtr<RV_VKImage> resolveMSTexture(RV_Render *r,
                                                        RV_VKImage *ms_image);
                                                            
};

#endif