RenderMesh.h

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/*
 * Copyright (c) 2008-2017, NVIDIA CORPORATION.  All rights reserved.
 *
 * NVIDIA CORPORATION and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA CORPORATION is strictly prohibited.
 */


#ifndef RENDER_MESH_H
#define RENDER_MESH_H

#include "ApexUsingNamespace.h"
#include "VertexFormat.h"

namespace nvidia
{
namespace apex
{

PX_PUSH_PACK_DEFAULT

class RenderMeshActor;
class Context;
struct VertexUV;


class VertexBuffer
{
public:
    virtual uint32_t                getVertexCount() const = 0;

    virtual const VertexFormat&     getFormat() const = 0;

    virtual VertexFormat&           getFormatWritable() = 0;

    virtual const void*             getBuffer(uint32_t bufferIndex) const = 0;

    virtual const void*             getBufferAndFormat(RenderDataFormat::Enum& format, uint32_t bufferIndex) const = 0;

    virtual void*                   getBufferAndFormatWritable(RenderDataFormat::Enum& format, uint32_t bufferIndex) = 0;

    virtual bool                    getBufferData(void* dstBuffer, nvidia::RenderDataFormat::Enum dstBufferFormat, uint32_t dstBufferStride, uint32_t bufferIndex,
                                                  uint32_t startVertexIndex, uint32_t elementCount) const = 0;

protected:
    /* Do not allow class to be created directly */
    VertexBuffer() {}
};


class RenderSubmesh
{
public:
    virtual                         ~RenderSubmesh() {}

    virtual uint32_t                getVertexCount(uint32_t partIndex) const = 0;

    virtual const VertexBuffer&     getVertexBuffer() const = 0;

    virtual VertexBuffer&           getVertexBufferWritable() = 0;

    virtual uint32_t                getFirstVertexIndex(uint32_t partIndex) const = 0;

    virtual uint32_t                getIndexCount(uint32_t partIndex) const = 0;

    virtual const uint32_t*         getIndexBuffer(uint32_t partIndex) const = 0;

    virtual const uint32_t*         getSmoothingGroups(uint32_t partIndex) const = 0;

protected:
    RenderSubmesh() {}
};

PX_POP_PACK

}
} // end namespace nvidia::apex

#endif // RENDER_MESH_H