| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LIB_ESCHER_UTIL_DEPTH_TO_COLOR_H_ |
| #define LIB_ESCHER_UTIL_DEPTH_TO_COLOR_H_ |
| |
| #include "lib/escher/forward_declarations.h" |
| #include "lib/escher/impl/compute_shader.h" |
| |
| namespace escher { |
| |
| // Utility that uses a compute shader to transform a depth image to a color |
| // image. One common use-case is for debugging, since Vulkan does not support |
| // directly blitting a depth image into a color image. |
| class DepthToColor { |
| public: |
| DepthToColor(EscherWeakPtr escher, ImageFactory* image_factory); |
| |
| TexturePtr Convert(const FramePtr& frame, const TexturePtr& depth_texture, |
| vk::ImageUsageFlags image_flags); |
| |
| private: |
| const EscherWeakPtr escher_; |
| ImageFactory* const image_factory_; |
| std::unique_ptr<impl::ComputeShader> kernel_; |
| |
| FXL_DISALLOW_COPY_AND_ASSIGN(DepthToColor); |
| }; |
| |
| } // namespace escher |
| |
| #endif // LIB_ESCHER_UTIL_DEPTH_TO_COLOR_H_ |