1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef DEVICE_GPU_IMAGE_H
17 #define DEVICE_GPU_IMAGE_H
18 
19 #include <cstdint>
20 
21 #include <render/namespace.h>
22 
23 RENDER_BEGIN_NAMESPACE()
24 struct GpuImageDesc;
25 struct GpuImagePlatformData;
26 
27 /** Gpu image.
28  * Immutable platform gpu image wrapper.
29  */
30 class GpuImage {
31 public:
32     // additional flags from creation e.g. platform conversion needed etc.
33     enum AdditionalFlagBits : uint32_t {
34         // platform conversion (e.g. ycbcr conversion needed, and/or special binding e.g. OES)
35         ADDITIONAL_PLATFORM_CONVERSION_BIT = 1,
36     };
37     using AdditionalFlags = uint32_t;
38 
39     GpuImage() = default;
40     virtual ~GpuImage() = default;
41 
42     GpuImage(const GpuImage&) = delete;
43     GpuImage& operator=(const GpuImage&) = delete;
44 
45     virtual const GpuImageDesc& GetDesc() const = 0;
46     virtual const GpuImagePlatformData& GetBasePlatformData() const = 0;
47 
48     virtual AdditionalFlags GetAdditionalFlags() const = 0;
49 };
50 
51 RENDER_END_NAMESPACE()
52 
53 #endif // DEVICE_GPU_IMAGE_H
54