GPU context registration.

TracyOpenGL.hpp

@@ -0,0 +1,48 @@
+#ifndef __TRACYOPENGL_HPP__
+#define __TRACYOPENGL_HPP__
+
+#ifdef TRACY_ENABLE
+
+#include <atomic>
+
+#include "client/TracyProfiler.hpp"
+
+namespace tracy
+{
+
+extern std::atomic<uint16_t> s_gpuCtxCounter;
+
+template<int Num>
+class GpuCtx
+{
+public:
+    GpuCtx()
+        : m_context( s_gpuCtxCounter.fetch_add( 1, std::memory_order_relaxed ) )
+    {
+        glGenQueries( Num, m_query );
+
+        int64_t tgpu;
+        glGetInteger64v( GL_TIMESTAMP, &tgpu );
+        int64_t tcpu = Profiler::GetTime();
+
+        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::GpuNewContext;
+        item->gpuNewContext.cputime = tcpu;
+        item->gpuNewContext.gputime = tgpu;
+        item->gpuNewContext.context = m_context;
+        tail.store( magic + 1, std::memory_order_release );
+    }
+
+private:
+    unsigned int m_query[Num];
+    uint16_t m_context;
+};
+
+}
+
+#endif
+
+#endif