hdTiny/renderDelegate.cpp at main · guoxx/hdTiny · GitHub

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//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#include "renderDelegate.h"
#include "mesh.h"
#include "renderPass.h"

#include <iostream>

PXR_NAMESPACE_OPEN_SCOPE

const TfTokenVector HdTinyRenderDelegate::SUPPORTED_RPRIM_TYPES =
{
    HdPrimTypeTokens->mesh,
};

const TfTokenVector HdTinyRenderDelegate::SUPPORTED_SPRIM_TYPES =
{
};

const TfTokenVector HdTinyRenderDelegate::SUPPORTED_BPRIM_TYPES =
{
};

HdTinyRenderDelegate::HdTinyRenderDelegate()
    : HdRenderDelegate()
{
    _Initialize();
}

HdTinyRenderDelegate::HdTinyRenderDelegate(
    HdRenderSettingsMap const& settingsMap)
    : HdRenderDelegate(settingsMap)
{
    _Initialize();
}

void
HdTinyRenderDelegate::_Initialize()
{
    std::cout << "Creating Tiny RenderDelegate" << std::endl;
    _resourceRegistry = std::make_shared<HdResourceRegistry>();
}

HdTinyRenderDelegate::~HdTinyRenderDelegate()
{
    _resourceRegistry.reset();
    std::cout << "Destroying Tiny RenderDelegate" << std::endl;
}

TfTokenVector const&
HdTinyRenderDelegate::GetSupportedRprimTypes() const
{
    return SUPPORTED_RPRIM_TYPES;
}

TfTokenVector const&
HdTinyRenderDelegate::GetSupportedSprimTypes() const
{
    return SUPPORTED_SPRIM_TYPES;
}

TfTokenVector const&
HdTinyRenderDelegate::GetSupportedBprimTypes() const
{
    return SUPPORTED_BPRIM_TYPES;
}

HdResourceRegistrySharedPtr
HdTinyRenderDelegate::GetResourceRegistry() const
{
    return _resourceRegistry;
}

void
HdTinyRenderDelegate::CommitResources(HdChangeTracker *tracker)
{
    std::cout << "=> CommitResources RenderDelegate" << std::endl;
}

HdRenderPassSharedPtr
HdTinyRenderDelegate::CreateRenderPass(
    HdRenderIndex *index,
    HdRprimCollection const& collection)
{
    std::cout << "Create RenderPass with Collection="
        << collection.GetName() << std::endl;

    return HdRenderPassSharedPtr(new HdTinyRenderPass(index, collection));
}

HdRprim *
HdTinyRenderDelegate::CreateRprim(TfToken const& typeId,
                                    SdfPath const& rprimId)
{
    std::cout << "Create Tiny Rprim type=" << typeId.GetText()
        << " id=" << rprimId
        << std::endl;

    if (typeId == HdPrimTypeTokens->mesh) {
        return new HdTinyMesh(rprimId);
    } else {
        TF_CODING_ERROR("Unknown Rprim type=%s id=%s",
            typeId.GetText(),
            rprimId.GetText());
    }
    return nullptr;
}

void
HdTinyRenderDelegate::DestroyRprim(HdRprim *rPrim)
{
    std::cout << "Destroy Tiny Rprim id=" << rPrim->GetId() << std::endl;
    delete rPrim;
}

HdSprim *
HdTinyRenderDelegate::CreateSprim(TfToken const& typeId,
                                    SdfPath const& sprimId)
{
    TF_CODING_ERROR("Unknown Sprim type=%s id=%s",
        typeId.GetText(),
        sprimId.GetText());
    return nullptr;
}

HdSprim *
HdTinyRenderDelegate::CreateFallbackSprim(TfToken const& typeId)
{
    TF_CODING_ERROR("Creating unknown fallback sprim type=%s",
        typeId.GetText());
    return nullptr;
}

void
HdTinyRenderDelegate::DestroySprim(HdSprim *sPrim)
{
    TF_CODING_ERROR("Destroy Sprim not supported");
}

HdBprim *
HdTinyRenderDelegate::CreateBprim(TfToken const& typeId, SdfPath const& bprimId)
{
    TF_CODING_ERROR("Unknown Bprim type=%s id=%s",
        typeId.GetText(),
        bprimId.GetText());
    return nullptr;
}

HdBprim *
HdTinyRenderDelegate::CreateFallbackBprim(TfToken const& typeId)
{
    TF_CODING_ERROR("Creating unknown fallback bprim type=%s",
        typeId.GetText());
    return nullptr;
}

void
HdTinyRenderDelegate::DestroyBprim(HdBprim *bPrim)
{
    TF_CODING_ERROR("Destroy Bprim not supported");
}

HdInstancer *
HdTinyRenderDelegate::CreateInstancer(
    HdSceneDelegate *delegate,
    SdfPath const& id)
{
    TF_CODING_ERROR("Creating Instancer not supported id=%s",
        id.GetText());
    return nullptr;
}

void
HdTinyRenderDelegate::DestroyInstancer(HdInstancer *instancer)
{
    TF_CODING_ERROR("Destroy instancer not supported");
}

HdRenderParam *
HdTinyRenderDelegate::GetRenderParam() const
{
    return nullptr;
}

PXR_NAMESPACE_CLOSE_SCOPE