// Copyright 2018 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
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#ifndef SRC_DAWN_NATIVE_PROGRAMMABLEENCODER_H_
#define SRC_DAWN_NATIVE_PROGRAMMABLEENCODER_H_

#include <string>

#include "partition_alloc/pointers/raw_ptr.h"
#include "src/dawn/native/CommandEncoder.h"
#include "src/dawn/native/Error.h"
#include "src/dawn/native/Forward.h"
#include "src/dawn/native/IntegerTypes.h"
#include "src/dawn/native/ObjectBase.h"
#include "src/dawn/native/dawn_platform.h"
#include "src/utils/span.h"

namespace dawn::native {

class DeviceBase;

// Base class for shared functionality between programmable encoders.
class ProgrammableEncoder : public ApiObjectBase {
  public:
    ProgrammableEncoder(DeviceBase* device, StringView label, EncodingContext* encodingContext);

    void APIInsertDebugMarker(StringView groupLabel);
    void APIPopDebugGroup();
    void APIPushDebugGroup(StringView groupLabel);

  protected:
    bool IsValidationEnabled() const;
    bool NeedsIndirectGPUValidation() const;
    MaybeError ValidateProgrammableEncoderEnd() const;

    MaybeError ValidateSetImmediates(uint32_t offset, size_t size) const;
    void RecordSetImmediates(CommandAllocator* allocator,
                             uint32_t offset,
                             Span<const std::byte> data);

    // Compute and render passes do different things on SetBindGroup. These are helper functions
    // for the logic they have in common.
    MaybeError ValidateSetBindGroup(
        BindGroupIndex index,
        BindGroupBase* group,
        ityp::span<BindingIndex, const uint32_t> dynamicOffsetsIn) const;
    void RecordSetBindGroup(CommandAllocator* allocator,
                            BindGroupIndex index,
                            BindGroupBase* group,
                            ityp::span<BindingIndex, const uint32_t> dynamicOffsets) const;

    // Construct an "error" programmable pass encoder.
    ProgrammableEncoder(DeviceBase* device,
                        EncodingContext* encodingContext,
                        ErrorTag errorTag,
                        StringView label);

    // Called by APISetResourceTable in child classes
    MaybeError SetResourceTable(ResourceTableBase* table, CommandAllocator* allocator);

    raw_ptr<EncodingContext> mEncodingContext = nullptr;

    uint64_t mDebugGroupStackSize = 0;

    bool mEnded = false;

  private:
    const bool mNeedsIndirectGPUValidation;
};

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_PROGRAMMABLEENCODER_H_