//
// Copyright 2020 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//

#include "pxr/imaging/hdSt/dynamicUvTextureObject.h"
#include "pxr/imaging/hdSt/resourceRegistry.h"
#include "pxr/imaging/hdSt/textureHandleRegistry.h"

#include "pxr/imaging/hgi/hgi.h"

PXR_NAMESPACE_OPEN_SCOPE

HdStDynamicUvTextureObject::HdStDynamicUvTextureObject(
    const HdStTextureIdentifier &textureId,
    HdSt_TextureObjectRegistry * const textureObjectRegistry)
  : HdStUvTextureObject(textureId, textureObjectRegistry)
{
}

HdStDynamicUvTextureObject::~HdStDynamicUvTextureObject()
{
    if (Hgi * hgi = _GetHgi()) {
        hgi->DestroyTexture(&_gpuTexture);
    }
}

void
HdStDynamicUvTextureObject::CreateTexture(const HgiTextureDesc &desc)
{
    if (Hgi * hgi = _GetHgi()) {
        hgi->DestroyTexture(&_gpuTexture);
        _gpuTexture = hgi->CreateTexture(desc);
    }    
}

const std::pair<HdWrap, HdWrap> &
HdStDynamicUvTextureObject::GetWrapParameters() const
{
    static const std::pair<HdWrap, HdWrap> result = {
        HdWrapNoOpinion, HdWrapNoOpinion };
    return result;
}

bool
HdStDynamicUvTextureObject::IsValid() const
{
    return true;
}

void
HdStDynamicUvTextureObject::_Load()
{
    // Do nothing here - texture is populated by client.
}

void
HdStDynamicUvTextureObject::_Commit()
{
    // Do nothing here - texture is populated by client.
}

PXR_NAMESPACE_CLOSE_SCOPE