| /* Copyright 2021 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #ifndef TENSORFLOW_LITE_DELEGATES_GPU_GL_GL_TEXTURE_HELPER_H_ |
| #define TENSORFLOW_LITE_DELEGATES_GPU_GL_GL_TEXTURE_HELPER_H_ |
| |
| #include "tensorflow/lite/delegates/gpu/common/data_type.h" |
| #include "tensorflow/lite/delegates/gpu/gl/portable_gl31.h" |
| |
| namespace tflite { |
| namespace gpu { |
| namespace gl { |
| |
| // From https://www.khronos.org/opengl/wiki/Normalized_Integer |
| // A Normalized Integer is an integer which is used to store a decimal floating |
| // point number. When formats use such an integer, OpenGL will automatically |
| // convert them to/from floating point values as needed. This allows normalized |
| // integers to be treated equivalently with floating-point values, acting as a |
| // form of compression. |
| GLenum ToTextureFormat(DataType type, bool normalized = false); |
| |
| GLenum ToTextureInternalFormat(DataType type, bool normalized = false); |
| |
| GLenum ToTextureDataType(DataType type); |
| |
| } // namespace gl |
| } // namespace gpu |
| } // namespace tflite |
| |
| #endif // TENSORFLOW_LITE_DELEGATES_GPU_GL_GL_TEXTURE_HELPER_H_ |