types.h

//
// Copyright 2019 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.
//
#ifndef HGI_TYPES_H
#define HGI_TYPES_H

#include "pxr/pxr.h"


PXR_NAMESPACE_OPEN_SCOPE

enum HgiFormat
{
    HgiFormatInvalid=-1,

    // UNorm8 - a 1-byte value representing a float between 0 and 1.
    // float value = (unorm / 255.0f);
    HgiFormatUNorm8=0,
    HgiFormatUNorm8Vec2,
    HgiFormatUNorm8Vec3,
    HgiFormatUNorm8Vec4,

    // SNorm8 - a 1-byte value representing a float between -1 and 1.
    // float value = max(snorm / 127.0f, -1.0f);
    HgiFormatSNorm8,
    HgiFormatSNorm8Vec2,
    HgiFormatSNorm8Vec3,
    HgiFormatSNorm8Vec4,

    // Float16 - a 2-byte IEEE half-precision float.
    HgiFormatFloat16,
    HgiFormatFloat16Vec2,
    HgiFormatFloat16Vec3,
    HgiFormatFloat16Vec4,

    // Float32 - a 4-byte IEEE float.
    HgiFormatFloat32,
    HgiFormatFloat32Vec2,
    HgiFormatFloat32Vec3,
    HgiFormatFloat32Vec4,

    // Int32 - a 4-byte signed integer
    HgiFormatInt32,
    HgiFormatInt32Vec2,
    HgiFormatInt32Vec3,
    HgiFormatInt32Vec4,

    HgiFormatCount
};


PXR_NAMESPACE_CLOSE_SCOPE

#endif