68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* Copyright 2019 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_EGL_SURFACE_H_
|
|
#define TENSORFLOW_LITE_DELEGATES_GPU_GL_EGL_SURFACE_H_
|
|
|
|
#include <cstdint>
|
|
|
|
#include "tensorflow/lite/delegates/gpu/common/status.h"
|
|
#include "tensorflow/lite/delegates/gpu/gl/portable_egl.h"
|
|
|
|
namespace tflite {
|
|
namespace gpu {
|
|
namespace gl {
|
|
|
|
// An RAII wrapper for EGLSurface.
|
|
// See https://www.khronos.org/registry/EGL/sdk/docs/man/html/eglIntro.xhtml for
|
|
// an introduction to the concepts.
|
|
//
|
|
// EglSurface is moveable but not copyable.
|
|
class EglSurface {
|
|
public:
|
|
// Creates an invalid EglSurface.
|
|
EglSurface() : surface_(EGL_NO_SURFACE), display_(EGL_NO_DISPLAY) {}
|
|
|
|
EglSurface(EGLSurface surface, EGLDisplay display)
|
|
: surface_(surface), display_(display) {}
|
|
|
|
// Move-only
|
|
EglSurface(EglSurface&& other);
|
|
EglSurface& operator=(EglSurface&& other);
|
|
EglSurface(const EglSurface&) = delete;
|
|
EglSurface& operator=(const EglSurface&) = delete;
|
|
|
|
~EglSurface() { Invalidate(); }
|
|
|
|
EGLSurface surface() const { return surface_; }
|
|
|
|
private:
|
|
void Invalidate();
|
|
|
|
EGLSurface surface_;
|
|
EGLDisplay display_;
|
|
};
|
|
|
|
// Creates off-screen pbuffer-based surface of the given height and width.
|
|
absl::Status CreatePbufferRGBSurface(EGLConfig config, EGLDisplay display,
|
|
uint32_t height, uint32_t width,
|
|
EglSurface* egl_surface);
|
|
|
|
} // namespace gl
|
|
} // namespace gpu
|
|
} // namespace tflite
|
|
|
|
#endif // TENSORFLOW_LITE_DELEGATES_GPU_GL_EGL_SURFACE_H_
|