| /* |
| * Copyright 2024 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef skgpu_graphite_task_DrawTask_DEFINED |
| #define skgpu_graphite_task_DrawTask_DEFINED |
| |
| #include "src/gpu/graphite/ScratchResourceManager.h" |
| #include "src/gpu/graphite/task/Task.h" |
| #include "src/gpu/graphite/task/TaskList.h" |
| |
| namespace skgpu::graphite { |
| |
| class TextureProxy; |
| |
| /** |
| * DrawTask is a collection of subtasks that are executed in order to produce some intended |
| * image in the DrawTask's target. As such, at least one of its subtasks will either be a |
| * RenderPassTask, ComputeTask or CopyXToTextureTask that directly modify the target. |
| */ |
| class DrawTask final : public Task, private ScratchResourceManager::PendingUseListener { |
| public: |
| explicit DrawTask(sk_sp<TextureProxy> target); |
| ~DrawTask() override; |
| |
| Status prepareResources(ResourceProvider*, |
| ScratchResourceManager*, |
| const RuntimeEffectDictionary*) override; |
| |
| Status addCommands(Context*, CommandBuffer*, ReplayTargetData) override; |
| |
| private: |
| friend class DrawContext; // for "addTask" |
| |
| // DrawTask is modified directly by DrawContext for efficiency, but its task list will be |
| // fixed once DrawContext snaps the task. |
| void addTask(sk_sp<Task> task) { fChildTasks.add(std::move(task)); } |
| bool hasTasks() const { return fChildTasks.hasTasks(); } |
| |
| void onUseCompleted(ScratchResourceManager*) override; |
| |
| sk_sp<TextureProxy> fTarget; |
| TaskList fChildTasks; |
| |
| // Once there is one DrawTask for a scratch device, whether or not the target is instantaited |
| // will be equivalent to whether or not prepareResources() has been called already if the task |
| // is referenced multiple times in a Recording. Right now, however, a scratch device can still |
| // produce several DrawTasks (in which case they will see an instantiated proxy so should still |
| // prepare their own resources instead of discarding themselves). |
| bool fPrepared = false; |
| }; |
| |
| } // namespace skgpu::graphite |
| |
| #endif // skgpu_graphite_task_DrawTask_DEFINED |