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Vulkan, the new-generation cross-platform 3D graphics API governed by the people behind OpenGL, the Khronos Group, is gaining in relevance, with Google making it the primary 3D graphics API for Android. AMD said that it's actively promoting the API. Responding to a question by TechPowerUp in its recent Radeon Technology Group (RTG) first anniversary presser, its chief Raja Koduri agreed that the company is actively working with developers to add Vulkan to their productions, and optimize them for Radeon GPUs. This, we believe, could be due to one of many strategic reasons.
First, Vulkan works inherently better on AMD Graphics CoreNext GPU architecture because it's been largely derived from Mantle, a now defunct 3D graphics API by AMD that brings a lot of "close-to-metal" API features that make game consoles more performance-efficient, over to the PC ecosystem. The proof of this pudding is the AAA title and 2016 reboot of the iconic first-person shooter "Doom," in which Radeon GPUs get significant performance boosts switching from the default OpenGL renderer to Vulkan. These boosts aren't as pronounced on NVIDIA GPUs.
Second, and this could be a long shot, but the growing popularity of Vulkan could give AMD leverage over Microsoft to steer Direct3D development in areas that AMD GPUs are inherently good at - these include asynchronous compute, and tiled-resources (AMD GPUs benefit due to higher memory bandwidths). AMD has been engaging aggressively with game studios working on AAA games that use DirectX 12, and thus far AMD GPUs have been either gaining or sustaining performance better than NVIDIA GPUs, when switching from DirectX 11 fallbacks to DirectX 12 renderers.
AMD has already "opened" up much of its GPU IP to game developers through its GPUOpen initiative. Here, developers will find detailed technical resources on how to take advantage of not just AMD-specific GPU IP, but also some industry standards. Vulkan is among the richly differentiated resources AMD is giving away through the initiative.
Vulkan still has a long way to go before it becomes the primary API in AAA releases. To most gamers who don't tinker with advanced graphics settings, "Doom" still works on OpenGL. and "Talos Prinicple," works on Direct3D 11 by default, for example. It could be a while before a game runs on Vulkan out of the box, and the way its special interest group Khronos, and more importantly AMD, promote its use, not just during game development, but also long-term support, will have a lot to do with it. A lot will also depend on NVIDIA, which holds about 70% in PC discrete GPU market share, to support the API. Over-customizing Vulkan would send it the way of OpenGL. Too many vendor-specific extensions to keep up drove game developers to Direct3D in the first place.
View at TechPowerUp Main Site
First, Vulkan works inherently better on AMD Graphics CoreNext GPU architecture because it's been largely derived from Mantle, a now defunct 3D graphics API by AMD that brings a lot of "close-to-metal" API features that make game consoles more performance-efficient, over to the PC ecosystem. The proof of this pudding is the AAA title and 2016 reboot of the iconic first-person shooter "Doom," in which Radeon GPUs get significant performance boosts switching from the default OpenGL renderer to Vulkan. These boosts aren't as pronounced on NVIDIA GPUs.
Second, and this could be a long shot, but the growing popularity of Vulkan could give AMD leverage over Microsoft to steer Direct3D development in areas that AMD GPUs are inherently good at - these include asynchronous compute, and tiled-resources (AMD GPUs benefit due to higher memory bandwidths). AMD has been engaging aggressively with game studios working on AAA games that use DirectX 12, and thus far AMD GPUs have been either gaining or sustaining performance better than NVIDIA GPUs, when switching from DirectX 11 fallbacks to DirectX 12 renderers.
AMD has already "opened" up much of its GPU IP to game developers through its GPUOpen initiative. Here, developers will find detailed technical resources on how to take advantage of not just AMD-specific GPU IP, but also some industry standards. Vulkan is among the richly differentiated resources AMD is giving away through the initiative.
Vulkan still has a long way to go before it becomes the primary API in AAA releases. To most gamers who don't tinker with advanced graphics settings, "Doom" still works on OpenGL. and "Talos Prinicple," works on Direct3D 11 by default, for example. It could be a while before a game runs on Vulkan out of the box, and the way its special interest group Khronos, and more importantly AMD, promote its use, not just during game development, but also long-term support, will have a lot to do with it. A lot will also depend on NVIDIA, which holds about 70% in PC discrete GPU market share, to support the API. Over-customizing Vulkan would send it the way of OpenGL. Too many vendor-specific extensions to keep up drove game developers to Direct3D in the first place.
View at TechPowerUp Main Site
