| 1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #pragma once |
| 6 | |
| 7 | #include "impeller/entity/entity_pass_target.h" |
| 8 | #include "impeller/renderer/context.h" |
| 9 | #include "impeller/renderer/render_pass.h" |
| 10 | #include "impeller/renderer/render_target.h" |
| 11 | |
| 12 | namespace impeller { |
| 13 | |
| 14 | class InlinePassContext { |
| 15 | public: |
| 16 | struct RenderPassResult { |
| 17 | std::shared_ptr<RenderPass> pass; |
| 18 | std::shared_ptr<Texture> backdrop_texture; |
| 19 | }; |
| 20 | |
| 21 | InlinePassContext( |
| 22 | std::shared_ptr<Context> context, |
| 23 | EntityPassTarget& pass_target, |
| 24 | uint32_t pass_texture_reads, |
| 25 | std::optional<RenderPassResult> collapsed_parent_pass = std::nullopt); |
| 26 | ~InlinePassContext(); |
| 27 | |
| 28 | bool IsValid() const; |
| 29 | bool IsActive() const; |
| 30 | std::shared_ptr<Texture> GetTexture(); |
| 31 | bool EndPass(); |
| 32 | EntityPassTarget& GetPassTarget() const; |
| 33 | uint32_t GetPassCount() const; |
| 34 | |
| 35 | RenderPassResult GetRenderPass(uint32_t pass_depth); |
| 36 | |
| 37 | private: |
| 38 | std::shared_ptr<Context> context_; |
| 39 | EntityPassTarget& pass_target_; |
| 40 | std::shared_ptr<CommandBuffer> command_buffer_; |
| 41 | std::shared_ptr<RenderPass> pass_; |
| 42 | uint32_t pass_count_ = 0; |
| 43 | uint32_t total_pass_reads_ = 0; |
| 44 | // Whether this context is collapsed into a parent entity pass. |
| 45 | bool is_collapsed_ = false; |
| 46 | |
| 47 | FML_DISALLOW_COPY_AND_ASSIGN(InlinePassContext); |
| 48 | }; |
| 49 | |
| 50 | } // namespace impeller |
| 51 |