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CPU-side GPU event transfer.

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This commit is contained in:
Bartosz Taudul
2017-11-11 21:09:48 +01:00
parent b208df8829
commit 6fcdb924e8
5 changed files with 174 additions and 1 deletions
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TracyOpenGL.hpp
+79
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@@ -7,17 +7,76 @@
#include "client/TracyProfiler.hpp"
#define TracyGpuZone( ctx, name ) static const tracy::SourceLocation __tracy_gpu_source_location { __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 }; auto ___tracy_gpu_zone = tracy::detail::__GpuHelper( ctx, name, &__tracy_gpu_source_location );
#define TracyGpuZoneC( ctx, name, color ) static const tracy::SourceLocation __tracy_gpu_source_location { __FUNCTION__, __FILE__, (uint32_t)__LINE__, color }; auto ___tracy_gpu_zone = tracy::detail::__GpuHelper( ctx, name, &__tracy_gpu_source_location );
namespace tracy
{
extern std::atomic<uint16_t> s_gpuCtxCounter;
template<int Num> class GpuCtx;
template<int Num>
class __GpuCtxScope
{
public:
tracy_force_inline __GpuCtxScope( GpuCtx<Num>& ctx, const char* name, const SourceLocation* srcloc )
: m_ctx( ctx )
{
glQueryCounter( m_ctx.NextQueryId(), GL_TIMESTAMP );
Magic magic;
auto& token = s_token.ptr;
auto& tail = token->get_tail_index();
auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
item->hdr.type = QueueType::GpuZoneBegin;
item->gpuZoneBegin.cpuTime = Profiler::GetTime();
item->gpuZoneBegin.name = (uint64_t)name;
item->gpuZoneBegin.srcloc = (uint64_t)srcloc;
item->gpuZoneBegin.context = m_ctx.GetId();
tail.store( magic + 1, std::memory_order_release );
}
tracy_force_inline ~__GpuCtxScope()
{
glQueryCounter( m_ctx.NextQueryId(), GL_TIMESTAMP );
Magic magic;
auto& token = s_token.ptr;
auto& tail = token->get_tail_index();
auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
item->hdr.type = QueueType::GpuZoneEnd;
item->gpuZoneEnd.cpuTime = Profiler::GetTime();
item->gpuZoneEnd.thread = GetThreadHandle();
item->gpuZoneEnd.context = m_ctx.GetId();
tail.store( magic + 1, std::memory_order_release );
}
private:
GpuCtx<Num>& m_ctx;
};
namespace detail
{
template<int Num>
static tracy_force_inline __GpuCtxScope<Num> __GpuHelper( GpuCtx<Num>* ctx, const char* name, const SourceLocation* srcloc )
{
return ctx->SpawnZone( name, srcloc );
}
}
template<int Num>
class GpuCtx
{
friend class __GpuCtxScope<Num>;
friend __GpuCtxScope<Num> detail::__GpuHelper<Num>( GpuCtx<Num>* ctx, const char* name, const SourceLocation* srcloc );
public:
GpuCtx()
: m_context( s_gpuCtxCounter.fetch_add( 1, std::memory_order_relaxed ) )
, m_head( 0 )
, m_tail( 0 )
{
glGenQueries( Num, m_query );
@@ -37,8 +96,28 @@ public:
}
private:
tracy_force_inline __GpuCtxScope<Num> SpawnZone( const char* name, const SourceLocation* srcloc )
{
return __GpuCtxScope<Num>( *this, name, srcloc );
}
tracy_force_inline unsigned int NextQueryId()
{
const auto id = m_head;
m_head = ( m_head + 1 ) % Num;
return m_query[id];
}
tracy_force_inline uint16_t GetId() const
{
return m_context;
}
unsigned int m_query[Num];
uint16_t m_context;
unsigned int m_head;
unsigned int m_tail;
};
}