Welcome to the Vulkan™ mbcnt sample, which shows how to use the AMD_shader_ballot extension and mbcnt to perform a fast reduction within a wavefront.

MIT: see LICENSE.txt for details.

• AMD Radeon™ GCN-based GPU (HD 7000 series or newer)
  • Or other Vulkan™ compatible discrete GPU
• 64-bit Windows® 7 (SP1 with the Platform Update), Windows® 8.1, or Windows® 10
• Visual Studio® 2013 or Visual Studio® 2015
• Graphics driver with Vulkan support
  • For example, AMD Radeon Software Crimson Edition 16.5.2 or later
• The Vulkan SDK must be installed

Visual Studio files can be found in the vkmbcnt\build directory.

If you need to regenerate the Visual Studio files, open a command prompt in the vkmbcnt\premake directory and run ..\..\premake\premake5.exe vs2015 (or ..\..\premake\premake5.exe vs2013 for Visual Studio 2013.)

• Premake is distributed under the terms of the BSD License. See premake\LICENSE.txt.
• The glslangValidator is distributed under the terms of the BSD License. See vkmbcnt\src\glslangValidator-license.txt.

• AMD, the AMD Arrow logo, Radeon, and combinations thereof are either registered trademarks or trademarks of Advanced Micro Devices, Inc. in the United States and/or other countries.
• Microsoft, Visual Studio, and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
• Vulkan and the Vulkan logo are trademarks of the Khronos Group, Inc.