forked from dolphin-emu/dolphin
b066d51dfa
There's not a lot of point in passing these around or storing them (texture cache/state tracker mainly) as there will only ever be a single instance of the class. Also adds downcast helpers such as Vulkan::Renderer::GetInstance().
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
// Copyright 2016 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include "Common/CommonTypes.h"
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#include "VideoBackends/Vulkan/Constants.h"
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#include "VideoCommon/PerfQueryBase.h"
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namespace Vulkan
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{
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class StagingBuffer;
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class PerfQuery : public PerfQueryBase
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{
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public:
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PerfQuery();
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~PerfQuery();
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static PerfQuery* GetInstance();
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bool Initialize();
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void EnableQuery(PerfQueryGroup type) override;
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void DisableQuery(PerfQueryGroup type) override;
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void ResetQuery() override;
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u32 GetQueryResult(PerfQueryType type) override;
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void FlushResults() override;
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bool IsFlushed() const override;
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private:
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struct ActiveQuery
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{
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PerfQueryType query_type;
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VkFence pending_fence;
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bool available;
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bool active;
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};
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bool CreateQueryPool();
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bool CreateReadbackBuffer();
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void QueueCopyQueryResults(VkCommandBuffer command_buffer, VkFence fence, u32 start_index,
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u32 query_count);
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void ProcessResults(u32 start_index, u32 query_count);
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void OnCommandBufferQueued(VkCommandBuffer command_buffer, VkFence fence);
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void OnCommandBufferExecuted(VkFence fence);
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void NonBlockingPartialFlush();
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void BlockingPartialFlush();
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// when testing in SMS: 64 was too small, 128 was ok
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// TODO: This should be size_t, but the base class uses u32s
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using PerfQueryDataType = u32;
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static const u32 PERF_QUERY_BUFFER_SIZE = 512;
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std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
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u32 m_query_read_pos = 0;
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// TODO: Investigate using pipeline statistics to implement other query types
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VkQueryPool m_query_pool = VK_NULL_HANDLE;
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// Buffer containing query results. Each query is a u32.
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std::unique_ptr<StagingBuffer> m_readback_buffer;
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};
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} // namespace Vulkan
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