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Super Resolution 3 (FSR 3)
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Super Resolution 2 (FSR 2)
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Blur
Breadcrumbs library
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Ambient Occlusion (CACAO)
Contrast Adaptive Sharpening (CAS)
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Depth of Field (DoF)
Lens
HDR Mapper (LPM)
Parallel Sort
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Variable Shading
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Tools
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Radeon Developer Tool Suite
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Radeon™ GPU Profiler
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GPU Reshape
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OCAT
SDKs
What SDKs Do I Need?
AMD Radeon Anti-Lag 2 SDK
AMD Driver/Hardware SDKs
AMD GPU Services
AMD Device Library eXtra
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GPUOpen MaterialX Library
Radeon™ Rays
Vulkan® Memory Allocator
Direct3D®12 Memory Allocator
HIP Ray Tracing
Orochi
Capsaicin Framework (GI-1.0)
Render Pipeline Shaders
Brotli-G SDK
Dense Geometry Format SDK
Platform Support
Unreal Engine
FSR 3 Unreal Engine 5 plugin
Unreal Engine Performance Guide
AMD Schola (Unreal NPCs)
Unity
Unity CPU Profiling Guide
Vulkan®
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DirectX®12 Ultimate
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Getting Started
Getting Started with our Software
Getting Started with Development
How to Become a Graphics Programmer
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Integrating Anti-Lag 2 SDK
Matrix Compendium
Mesh Shaders
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Crash Course in Deep Learning (Graphics)
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Hot new articles
Use WMMA intrinsics on AMD RDNA 4
Tool Suite updated for Radeon RX 9060 XT
Neural Networks for Geometric Representation
Generative AI on AMD Radeon GPUs
Tool Suite updated for AMD RDNA 4
Boosting GPU Radix Sort performance
Events
All Events
GDC
Digital Dragons
Other events
Watch Our Videos
AMD FidelityFX™
AMD FidelityFX SDK
Super Resolution 3 (FSR 3)
More AMD FidelityFX
Super Resolution 2 (FSR 2)
Super Resolution 1 (FSR 1)
Blur
Breadcrumbs library
Brixelizer/GI
Ambient Occlusion (CACAO)
Contrast Adaptive Sharpening (CAS)
Denoiser
Depth of Field (DoF)
Lens
HDR Mapper (LPM)
Parallel Sort
Downsampler (SPD)
Screen Space Reflections (SSSR)
Variable Shading
TressFX
Developer testimonials
Cauldron Framework
FidelityFX Naming Guidelines
Hybrid Shadows
Hybrid Stochastic Reflections
Tools
What Tools Do I Need?
Radeon Developer Tool Suite
Radeon™ GPU Detective
Radeon™ Raytracing Analyzer
Radeon™ GPU Profiler
Radeon™ GPU Analyzer
Radeon™ Memory Visualizer
Radeon™ Developer Panel
GPU Reshape
Compressonator
Frame Latency Meter
OCAT
SDKs
What SDKs Do I Need?
AMD Radeon Anti-Lag 2 SDK
AMD Driver/Hardware SDKs
AMD GPU Services
AMD Device Library eXtra
Advanced Media Framework
Streaming SDK
GPU Performance API
Content Creation
Radeon™ ProRender Suite
Radeon™ ProRender SDK
GPUOpen MaterialX Library
Radeon™ Rays
Vulkan® Memory Allocator
Direct3D®12 Memory Allocator
HIP Ray Tracing
Orochi
Capsaicin Framework (GI-1.0)
Render Pipeline Shaders
Brotli-G SDK
Dense Geometry Format SDK
Platform Support
Unreal Engine
FSR 3 Unreal Engine 5 plugin
Unreal Engine Performance Guide
AMD Schola (Unreal NPCs)
Unity
Unity CPU Profiling Guide
Vulkan®
Radeon™ Vulkan® Drivers Version Table
Developing Vulkan® Applications
DirectX®12
DirectX®12 Ultimate
Developing DirectX®12 Applications
Docs/Research
Meet all our blogs
Getting Started
Getting Started with our Software
Getting Started with Development
How to Become a Graphics Programmer
General Developer Tech Articles
Popular articles
Integrating Anti-Lag 2 SDK
Matrix Compendium
Mesh Shaders
Work Graphs
Crash Course in Deep Learning (Graphics)
Our Publications
Advanced Rendering Research Group
AMD Lab Notes (HPC)
AMD RDNA™ Performance Guide
AMD GPU Architecture
Machine-readable ISAs
AMD Ryzen™ Performance Guide
CPU Performance and Optimization
Software Manuals
Presentations
Samples
News/Events
Latest Developer News
Recent Software Releases
Hot new articles
Use WMMA intrinsics on AMD RDNA 4
Tool Suite updated for Radeon RX 9060 XT
Neural Networks for Geometric Representation
Generative AI on AMD Radeon GPUs
Tool Suite updated for AMD RDNA 4
Boosting GPU Radix Sort performance
Events
All Events
GDC
Digital Dragons
Other events
Watch Our Videos
GPU Performance API
GPU Performance API
Usage
Performance Counters
API Reference
GpaBeginCommandList
GpaBeginSample
GpaBeginSession
GpaCloseContext
GpaContinueSampleOnCommandList
GpaCopySecondarySamples
GpaCreateSession
GpaDeleteSession
GpaDestroy
GpaDisableAllCounters
GpaDisableCounter
GpaDisableCounterByName
GpaEnableAllCounters
GpaEnableCounter
GpaEnableCounterByName
GpaEndCommandList
GpaEndSample
GpaEndSession
GpaGetCounterDataType
GpaGetCounterDescription
GpaGetCounterGroup
GpaGetCounterIndex
GpaGetCounterName
GpaGetCounterSampleType
GpaGetCounterUsageType
GpaGetCounterUuid
GpaGetDataTypeAsStr
GpaGetDeviceAndRevisionId
GpaGetDeviceGeneration
GpaGetDeviceMaxWaveSlots
GpaGetDeviceName
GpaGetEnabledIndex
GpaGetFuncTable
GpaGetNumCounters
GpaGetNumEnabledCounters
GpaGetPassCount
GpaGetSampleCount
GpaGetSampleId
GpaGetSampleResult
GpaGetSampleResultSize
GpaGetStatusAsStr
GpaGetSupportedSampleTypes
GpaGetUsageTypeAsStr
GpaGetVersion
GpaInitialize
GpaIsCounterEnabled
GpaIsPassComplete
GpaIsSessionComplete
GpaOpenContext
GpaRegisterLoggingCallback
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Welcome to GPUPerfAPI's documentation!
Copyright (c) 2018-2025 Advanced Micro Devices, Inc. All rights reserved.## Contents:
Intro
Usage
Counters
Main Api