| // Copyright 2018 The Amber Authors. |
| // |
| // 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 SRC_VULKAN_FRAME_BUFFER_H_ |
| #define SRC_VULKAN_FRAME_BUFFER_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "src/pipeline.h" |
| #include "src/vulkan/transfer_image.h" |
| |
| namespace amber { |
| namespace vulkan { |
| |
| class CommandBuffer; |
| class Device; |
| |
| /// Wrapper around a Vulkan FrameBuffer object. |
| class FrameBuffer { |
| public: |
| FrameBuffer( |
| Device* device, |
| const std::vector<const amber::Pipeline::BufferInfo*>& color_attachments, |
| uint32_t width, |
| uint32_t height); |
| ~FrameBuffer(); |
| |
| Result Initialize(VkRenderPass render_pass, const Format& depth_format); |
| |
| void ChangeFrameToDrawLayout(CommandBuffer* command); |
| void ChangeFrameToProbeLayout(CommandBuffer* command); |
| void ChangeFrameToWriteLayout(CommandBuffer* command); |
| |
| VkFramebuffer GetVkFrameBuffer() const { return frame_; } |
| const void* GetColorBufferPtr(size_t idx) const { |
| return color_images_[idx]->HostAccessibleMemoryPtr(); |
| } |
| |
| // Only record the command for copying the image that backs this |
| // framebuffer to the host accessible buffer. The actual submission |
| // of the command must be done later. |
| void TransferColorImagesToHost(CommandBuffer* command); |
| void TransferColorImagesToDevice(CommandBuffer* command); |
| |
| void CopyImagesToBuffers(); |
| void CopyBuffersToImages(); |
| |
| uint32_t GetWidth() const { return width_; } |
| uint32_t GetHeight() const { return height_; } |
| |
| private: |
| void ChangeFrameLayout(CommandBuffer* command, |
| VkImageLayout color_layout, |
| VkPipelineStageFlags color_stage, |
| VkImageLayout depth_layout, |
| VkPipelineStageFlags depth_stage); |
| |
| Device* device_ = nullptr; |
| std::vector<const amber::Pipeline::BufferInfo*> color_attachments_; |
| VkFramebuffer frame_ = VK_NULL_HANDLE; |
| std::vector<std::unique_ptr<TransferImage>> color_images_; |
| std::unique_ptr<TransferImage> depth_image_; |
| uint32_t width_ = 0; |
| uint32_t height_ = 0; |
| uint32_t depth_ = 1; |
| }; |
| |
| } // namespace vulkan |
| } // namespace amber |
| |
| #endif // SRC_VULKAN_FRAME_BUFFER_H_ |