src/dawn/native/webgpu/CommandBufferHelpers.h

// Copyright 2025 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_WEBGPU_COMMANDBUFFERHELPERS_H_
#define SRC_DAWN_NATIVE_WEBGPU_COMMANDBUFFERHELPERS_H_

#include <vector>

#include "src/dawn/native/Commands.h"

namespace dawn::native {

class BindGroupBase;
class CommandIterator;
class ComputerPipelineBase;
class RenderBundleBase;
class RenderPipelineBase;

}  // namespace dawn::native

namespace dawn::native::webgpu {

class CaptureContext;

// Note: These are fine to be pointers and not Refs as this object
// does not outlast a CommandBuffer which itself uses Refs.
struct CommandBufferResourceUsages {
    std::vector<ComputePipelineBase*> computePipelines;
    std::vector<RenderPipelineBase*> renderPipelines;
    std::vector<BindGroupBase*> bindGroups;
    std::vector<RenderBundleBase*> renderBundles;
};

void CaptureSharedCommand(CaptureContext& captureContext, CommandIterator& commands, Command type);
void CaptureDebugCommand(CaptureContext& captureContext, CommandIterator& commands, Command type);

// Captures shared commands from both render passes and render bundles
MaybeError CaptureRenderCommand(CaptureContext& captureContext,
                                CommandIterator& commands,
                                Command type);
// Gathers resources from shared commands from both render passes and render bundles
MaybeError GatherReferencedResourcesFromRenderCommand(CaptureContext& captureContext,
                                                      CommandIterator& commands,
                                                      CommandBufferResourceUsages& usedResources,
                                                      Command type);
MaybeError AddUsedResources(CaptureContext& captureContext,
                            const CommandBufferResourceUsages& usedResources);

}  // namespace dawn::native::webgpu

#endif  // SRC_DAWN_NATIVE_WEBGPU_COMMANDBUFFERHELPERS_H_