radeon_rays_impl.cpp

/**********************************************************************
Copyright (c) 2016 Advanced Micro Devices, Inc. All rights reserved.

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#include "radeon_rays.h"
#include "radeon_rays_impl.h"
#include "../primitive/mesh.h"
#include "../primitive/instance.h"
#include "../except/except.h"
#include "../device/intersection_device.h"

#if USE_OPENCL
#include "../device/calc_intersection_device_cl.h"
#endif

#if USE_VULKAN
#include "../device/calc_intersection_device_vk.h"
#include <wrappers/buffer.h>
#endif

#include <vector>
#include <cfloat>

namespace RadeonRays
{
    IntersectionApiImpl::IntersectionApiImpl(IntersectionDevice* device)
        : nextid_(1)
    , m_device(device)
    {
        world_.hint_ = 0;
    }

    void IntersectionApiImpl::SetOption(char const* name, char const* value)
    {
        world_.options_.SetValue(name, value);
    }

    void IntersectionApiImpl::SetOption(char const* name, float value)
    {
        world_.options_.SetValue(name, value);
    }

    Shape* IntersectionApiImpl::CreateMesh(
        // Position data
        float const * vertices, int vnum, int vstride,
        // Index data for vertices
        int const * indices, int istride,
        // Numbers of vertices per face
        int const * numfacevertices,
        // Number of faces
        int  numface
        ) const
    {
        Mesh* mesh = new Mesh(vertices, vnum, vstride, indices, istride, numfacevertices, numface);

        mesh->SetId(nextid_++);

        return mesh;
    }


    Shape* IntersectionApiImpl::CreateInstance(Shape const* shape) const
    {
        Mesh const* mesh = static_cast<Mesh const*>(shape);

        Instance* instance = new Instance(mesh);

        instance->SetId(nextid_++);

        return instance;
    }

    void IntersectionApiImpl::DeleteShape(Shape const* shape)
    {
        delete shape;
    }

    void IntersectionApiImpl::AttachShape(Shape const* shape)
    {
        world_.AttachShape(shape);
    }

    void IntersectionApiImpl::DetachShape(Shape const* shape)
    {
        world_.DetachShape(shape);
    }

    void IntersectionApiImpl::DetachAll()
    {
        world_.DetachAll();
    }


    void IntersectionApiImpl::Commit()
    {
        ThrowIf(world_.shapes_.empty(), "Scene is empty.");
        m_device->Preprocess(world_);

        world_.OnCommit();
    }

    void IntersectionApiImpl::DeleteBuffer(Buffer* buffer) const
    {
        m_device->DeleteBuffer(buffer);
    }

    void IntersectionApiImpl::QueryIntersection(Buffer const* rays, int numrays, Buffer* hitinfos, Event const* waitevent, Event** event) const
    {
        m_device->QueryIntersection(rays, numrays, hitinfos, waitevent, event);
    }

    void IntersectionApiImpl::QueryOcclusion(Buffer const* rays, int numrays, Buffer* hitresults, Event const* waitevent, Event** event) const
    {
        m_device->QueryOcclusion(rays, numrays, hitresults, waitevent, event);
    }
    
    void IntersectionApiImpl::QueryOccluded2dSumLinear2(Buffer const* origins, Buffer const* directions, Buffer const* koeffs, Buffer const* offset_directions, Buffer const* offset_koeffs, int numorigins, int numdirections, Buffer* hitresults, Event const* waitevent, Event** event) const
    {
        m_device->QueryOccluded2dSumLinear2(origins, directions, koeffs, offset_directions, offset_koeffs, numorigins, numdirections, hitresults, waitevent, event);
    }

    void IntersectionApiImpl::QueryIntersection(Buffer const* rays, Buffer const* numrays, int maxrays, Buffer* hitinfos, Event const* waitevent, Event** event) const
    {
        m_device->QueryIntersection(rays, numrays, maxrays, hitinfos, waitevent, event);
    }

    void IntersectionApiImpl::QueryOcclusion(Buffer const* rays, Buffer const* numrays, int maxrays, Buffer* hitresults, Event const* waitevent, Event** event) const
    {
        m_device->QueryOcclusion(rays, numrays, maxrays, hitresults, waitevent, event);
    }

    void IntersectionApiImpl::DeleteEvent(Event* event) const
    {
        m_device->DeleteEvent(event);
    }

    Buffer* IntersectionApiImpl::CreateBuffer(size_t size, void* initdata) const
    {
        return m_device->CreateBuffer(size, initdata);
    }

    void IntersectionApiImpl::MapBuffer(Buffer* buffer, MapType type, size_t offset, size_t size, void** data, Event** event) const
    {
        return m_device->MapBuffer(buffer, type, offset, size, data, event);
    }

    void IntersectionApiImpl::UnmapBuffer(Buffer* buffer, void* ptr, Event** event) const
    {
        return m_device->UnmapBuffer(buffer, ptr, event);
    }

    void IntersectionApiImpl::ResetIdCounter()
    {
        nextid_ = 1;
    }

    bool IntersectionApiImpl::IsWorldEmpty()
    {
        return world_.shapes_.empty();
    }

#ifdef USE_OPENCL
    RRAPI Buffer* CreateFromOpenClBuffer(RadeonRays::IntersectionApi* api, cl_mem buffer)
    {
        auto apii = static_cast<IntersectionApiImpl*>(api);
        // we use dynamic cast (internal only) because otherwise have to
        // expose platform to intersection api which feel wrong esp. in future
        // if we support multi backend unified intersection api
        auto cldev = dynamic_cast<CalcIntersectionDeviceCl*>(apii->GetDevice());

        if (cldev)
        {
            return cldev->CreateBuffer(buffer);
        }

        Throw("CL interop not supported");

        return nullptr;
    }
#endif

#ifdef USE_VULKAN
    RRAPI Buffer* CreateFromVulkanBuffer(RadeonRays::IntersectionApi* api, Anvil::Buffer* buffer)
    {
        auto apii = static_cast<IntersectionApiImpl*>(api);
        auto cldev = dynamic_cast<CalcIntersectionDeviceVK*>(apii->GetDevice());

        if (cldev)
        {
            return cldev->AdoptBuffer(buffer);
        }

        Throw("Vulkan interop not supported");

        return nullptr;
    }
#endif
}