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Vulkan: Simplify perf queries using vkGetQueryPoolResults

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This commit is contained in:
Stenzek
2019-03-18 00:09:26 +10:00
parent 6d40ea8553
commit 604ab67c7f
3 changed files with 73 additions and 230 deletions
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40
Source/Core/VideoBackends/Vulkan/PerfQuery.h
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@ -13,18 +13,15 @@
namespace Vulkan
{
class StagingBuffer;
class PerfQuery : public PerfQueryBase
{
public:
PerfQuery();
~PerfQuery();
static PerfQuery* GetInstance();
static PerfQuery* GetInstance() { return static_cast<PerfQuery*>(g_perf_query.get()); }
bool Initialize();
void FlushQueries();
void EnableQuery(PerfQueryGroup type) override;
void DisableQuery(PerfQueryGroup type) override;
@ -34,35 +31,30 @@ public:
bool IsFlushed() const override;
private:
// u32 is used for the sample counts.
using PerfQueryDataType = u32;
// when testing in SMS: 64 was too small, 128 was ok
// TODO: This should be size_t, but the base class uses u32s
static const u32 PERF_QUERY_BUFFER_SIZE = 512;
struct ActiveQuery
{
u64 fence_counter;
PerfQueryType query_type;
bool available;
bool active;
bool has_value;
};
bool CreateQueryPool();
bool CreateReadbackBuffer();
void QueueCopyQueryResults(u32 start_index, u32 query_count);
void ProcessPendingResults();
void ProcessResults(u32 start_index, u32 query_count);
void ReadbackQueries();
void ReadbackQueries(u32 query_count);
void PartialFlush(bool blocking);
void NonBlockingPartialFlush();
void BlockingPartialFlush();
// when testing in SMS: 64 was too small, 128 was ok
// TODO: This should be size_t, but the base class uses u32s
using PerfQueryDataType = u32;
static const u32 PERF_QUERY_BUFFER_SIZE = 512;
std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
u32 m_query_read_pos = 0;
// TODO: Investigate using pipeline statistics to implement other query types
VkQueryPool m_query_pool = VK_NULL_HANDLE;
// Buffer containing query results. Each query is a u32.
std::unique_ptr<StagingBuffer> m_readback_buffer;
u32 m_query_readback_pos = 0;
u32 m_query_next_pos = 0;
std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
std::array<PerfQueryDataType, PERF_QUERY_BUFFER_SIZE> m_query_result_buffer = {};
};
} // namespace Vulkan