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// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// 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.
//
// 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.
//
// 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.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_COMMANDENCODER_H_
#define SRC_DAWN_NATIVE_COMMANDENCODER_H_
#include <string>
#include "absl/container/flat_hash_set.h"
#include "dawn/common/NonMovable.h"
#include "dawn/common/StackAllocated.h"
#include "dawn/native/EncodingContext.h"
#include "dawn/native/Error.h"
#include "dawn/native/ObjectBase.h"
#include "dawn/native/PassResourceUsage.h"
#include "dawn/native/dawn_platform.h"
#include "partition_alloc/pointers/raw_ptr.h"
namespace dawn::native {
enum class UsageValidationMode;
Color ClampClearColorValueToLegalRange(const Color& originalColor, const Format& format);
ResultOrError<UnpackedPtr<CommandEncoderDescriptor>> ValidateCommandEncoderDescriptor(
const DeviceBase* device,
const CommandEncoderDescriptor* descriptor);
class CommandEncoder final : public ApiObjectBase {
public:
static Ref<CommandEncoder> Create(DeviceBase* device,
const UnpackedPtr<CommandEncoderDescriptor>& descriptor);
static Ref<CommandEncoder> MakeError(DeviceBase* device, const char* label);
ObjectType GetType() const override;
CommandIterator AcquireCommands();
CommandBufferResourceUsage AcquireResourceUsages();
void TrackUsedQuerySet(QuerySetBase* querySet);
void TrackQueryAvailability(QuerySetBase* querySet, uint32_t queryIndex);
// Dawn API
ComputePassEncoder* APIBeginComputePass(const ComputePassDescriptor* descriptor);
RenderPassEncoder* APIBeginRenderPass(const RenderPassDescriptor* descriptor);
void APICopyBufferToBuffer(BufferBase* source,
uint64_t sourceOffset,
BufferBase* destination,
uint64_t destinationOffset,
uint64_t size);
void InternalCopyBufferToBufferWithAllocatedSize(BufferBase* source,
uint64_t sourceOffset,
BufferBase* destination,
uint64_t destinationOffset,
uint64_t size);
void APICopyBufferToTexture(const ImageCopyBuffer* source,
const ImageCopyTexture* destination,
const Extent3D* copySize);
void APICopyTextureToBuffer(const ImageCopyTexture* source,
const ImageCopyBuffer* destination,
const Extent3D* copySize);
void APICopyTextureToTexture(const ImageCopyTexture* source,
const ImageCopyTexture* destination,
const Extent3D* copySize);
void APIClearBuffer(BufferBase* destination, uint64_t destinationOffset, uint64_t size);
void APIInjectValidationError(const char* message);
void APIInsertDebugMarker(const char* groupLabel);
void APIPopDebugGroup();
void APIPushDebugGroup(const char* groupLabel);
void APIResolveQuerySet(QuerySetBase* querySet,
uint32_t firstQuery,
uint32_t queryCount,
BufferBase* destination,
uint64_t destinationOffset);
void APIWriteBuffer(BufferBase* buffer,
uint64_t bufferOffset,
const uint8_t* data,
uint64_t size);
void APIWriteTimestamp(QuerySetBase* querySet, uint32_t queryIndex);
CommandBufferBase* APIFinish(const CommandBufferDescriptor* descriptor = nullptr);
Ref<ComputePassEncoder> BeginComputePass(const ComputePassDescriptor* descriptor = nullptr);
Ref<RenderPassEncoder> BeginRenderPass(const RenderPassDescriptor* rawDescriptor);
ResultOrError<Ref<CommandBufferBase>> Finish(
const CommandBufferDescriptor* descriptor = nullptr);
// `InternalUsageScope` is a scoped class that temporarily changes validation such that the
// command encoder includes internal resource usages.
friend class InternalUsageScope;
class [[nodiscard]] InternalUsageScope : public NonMovable, public StackAllocated {
public:
~InternalUsageScope();
private:
// Only CommandEncoder can make this class.
friend class CommandEncoder;
InternalUsageScope(CommandEncoder* encoder);
raw_ptr<CommandEncoder> mEncoder;
UsageValidationMode mUsageValidationMode;
};
[[nodiscard]] InternalUsageScope MakeInternalUsageScope();
private:
CommandEncoder(DeviceBase* device, const UnpackedPtr<CommandEncoderDescriptor>& descriptor);
CommandEncoder(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label);
void DestroyImpl() override;
ResultOrError<std::function<void()>> ApplyRenderPassWorkarounds(
DeviceBase* device,
RenderPassResourceUsageTracker* usageTracker,
BeginRenderPassCmd* cmd,
std::function<void()> passEndCallback = nullptr);
MaybeError ValidateFinish() const;
EncodingContext mEncodingContext;
absl::flat_hash_set<BufferBase*> mTopLevelBuffers;
absl::flat_hash_set<TextureBase*> mTopLevelTextures;
absl::flat_hash_set<QuerySetBase*> mUsedQuerySets;
uint64_t mDebugGroupStackSize = 0;
UsageValidationMode mUsageValidationMode;
};
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_COMMANDENCODER_H_