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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_CLIENT_MOCK_TRANSFER_BUFFER_H_
#define GPU_COMMAND_BUFFER_CLIENT_MOCK_TRANSFER_BUFFER_H_
#include <array>
#include "base/memory/raw_ptr.h"
#include "base/memory/stack_allocated.h"
#include "gpu/command_buffer/client/ring_buffer.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
namespace gpu {
class CommandBuffer;
class MockTransferBuffer : public TransferBufferInterface {
public:
struct ExpectedMemoryInfo {
STACK_ALLOCATED();
public:
uint32_t offset;
int32_t id;
uint8_t* ptr;
base::span<uint8_t> span;
};
MockTransferBuffer(CommandBuffer* command_buffer,
unsigned int size,
unsigned int result_size,
unsigned int alignment,
bool initialize_fail);
MockTransferBuffer(const MockTransferBuffer&) = delete;
MockTransferBuffer& operator=(const MockTransferBuffer&) = delete;
~MockTransferBuffer() override;
base::UnguessableToken shared_memory_guid() const override;
bool Initialize(unsigned int starting_buffer_size,
unsigned int result_size,
unsigned int /* min_buffer_size */,
unsigned int /* max_buffer_size */,
unsigned int alignment) override;
int GetShmId() override;
void* AcquireResultBuffer() override;
void ReleaseResultBuffer() override;
int GetResultOffset() override;
void Free() override;
bool HaveBuffer() const override;
base::span<uint8_t> AllocUpTo(unsigned int size) override;
base::span<uint8_t> Alloc(unsigned int size) override;
RingBuffer::Offset GetOffset(void* pointer) const override;
void DiscardBlock(void* p) override;
void FreePendingToken(void* p, unsigned int /* token */) override;
unsigned int GetSize() const override;
unsigned int GetFreeSize() const override;
unsigned int GetFragmentedFreeSize() const override;
void ShrinkLastBlock(unsigned int new_size) override;
unsigned int GetMaxSize() const override;
uint32_t MaxTransferBufferSize();
unsigned int RoundToAlignment(unsigned int size);
bool InSync();
ExpectedMemoryInfo GetExpectedMemory(uint32_t size);
ExpectedMemoryInfo GetExpectedResultMemory(uint32_t size);
private:
static const int kNumBuffers = 2;
uint8_t* actual_buffer() const {
return static_cast<uint8_t*>(buffers_[actual_buffer_index_]->memory());
}
uint8_t* expected_buffer() const {
return static_cast<uint8_t*>(buffers_[expected_buffer_index_]->memory());
}
base::span<uint8_t> actual_span() {
return buffers_[actual_buffer_index_]->as_byte_span();
}
base::span<uint8_t> expected_span() {
return buffers_[expected_buffer_index_]->as_byte_span();
}
uint32_t AllocateExpectedTransferBuffer(uint32_t size);
void* GetExpectedTransferAddressFromOffset(uint32_t offset, uint32_t size);
int GetExpectedResultBufferId();
uint32_t GetExpectedResultBufferOffset();
int GetExpectedTransferBufferId();
raw_ptr<CommandBuffer> command_buffer_;
uint32_t size_;
uint32_t result_size_;
uint32_t alignment_;
std::array<int, kNumBuffers> buffer_ids_;
std::array<scoped_refptr<Buffer>, kNumBuffers> buffers_;
int actual_buffer_index_;
int expected_buffer_index_;
base::raw_span<uint8_t> last_alloc_;
uint32_t expected_offset_;
uint32_t actual_offset_;
bool initialize_fail_;
bool outstanding_result_pointer_ = false;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_CLIENT_MOCK_TRANSFER_BUFFER_H_
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