• glGetInteger64v(GL_TIMESTAMP, ...) still broken on Vega

    In old drivers there was a bug in getting the current GPU time on Vega GPUs, as described also here: glGetInteger64v(GL_TIMESTAMP, ...) broken on Vega    This was fixed in later drivers, but the behavior i...
    last modified by cameni
  • Matching Vulkan and OpenGL device UUID

    Hello.   I'm having troubles with picking correct device for Vulkan-OpenGL interop. On our PCs with AMD cards, OpenGLreports slightly different device UUID than Vulkan does. I use the following code to get Open...
    last modified by a.devaykin
  • LOD bias has no effect on RX 5700 XT?

    Hello.   It looks like the RX 5700 XT with the latest driver (19.9.2, 19.9.3) do not react on texture LOD bias (GL_TEXTURE_LOD_BIAS) param. We have a number of GPUs, both AMD and Nvidia here in CI rack. Since we...
    last modified by a.devaykin
  • Interop of Vulkan Image and D3D11 Texture

    I am trying to figure out how to create a Vulkan 2D image shared with D3D11 texture.   My Windows 10 development system is equipped with Radeon RX 570 Series card which is a primary GPU device with monitors...
    last modified by roman380
  • OpenGL ARB_sparse_texture (Driver crash, texture issues)

    Currently we (PCSX2 Team) are trying to implement Sparse Texture support and seem to have stumbled on to several issues on AMD cards which are not present at all on Nvidia (tested by several people).   Major iss...
    last modified by lightningterror
  • Bug report: experiencing an Access Violation error with a particular compute shader, but only on amd adapter, not WARP.

    I've found that with some shaders, the ID3D11Device::CreateComputeShader function causes an access violation when the ID3D11Device in question is created with an AMD adapter.  I've been able to repro this co...
    last modified by gfmatt
  • Does Radeon Chill work accurately with vertical retrace?

    Hi everyone   I would please like some clarity on this subject, I like setting Chill Min = Chill Max = 60FPS or setting Chill Min = Chill Max = 30FPS because it provides less input delay even when in-game VSync ...
    created by hitbm47
  • Radeon RX 480 serious stutter/hitching in Far Cry 3, theHunter: Call of the Wild?

    Hi everyone, current config: -Windows 10 Pro 64-bit, build 18362 or version 1903 -Radeon RX 480 8G -GTX 1060 3GB -MSI B450 Tomahawk -Ryzen 5 1600 -2x 8GB DDR 4 2666Mhz RAM   Please note, this has existed b...
    last modified by hitbm47
  • FE_INVALID after call to vkCreateInstance

    Hi,   After upgrading my radeon software from 16.10.1 to 17.7.1 (Crimson ReLive) I started detecting an FE_INVALID floating point exception in my application. This seems to be triggered by calling vkCreateInstan...
    last modified by nythrix
  • Radeon RX 480 driver performance issues and bugs, OpenGL, Vulkan, DirectX, Mantle

    Hi everyone, my name is Jacques   I was supposed to post in "OpenGL & Vulkan" as suggested by developer xhuang, but since I am a newcomer I am only allowed to post here. I am having performance and bug issu...
    last modified by hitbm47
  • Will RX 480 Support Fragment Shader Interlock? GL & VK

    Vulkan 1.1.110 Released  will RX 480 support the following extensions anytime soon? VK_EXT_fragment_shader_interlock - Featured in Vulkan 1.1.110 GL_ARB_fragment_shader_interlock - Part of OpenGL 4.5  ...
    last modified by onsolight
  • Will Vega support Vulkan 1.1.110?

    Hi there can I please request driver support for VK_EXT_fragment_shader_interlock.  Vega has the capability under DirectX (rasterizer ordered views), however the feature is missing under Vulkan and OpenGL 4.6 cor...
    last modified by gharland
  • vkCreateGraphicsPipelines returns VK_ERROR_INITIALIZATION_FAILED

    Hi All ! I use glslang tool for compilation GLSL/HLSL to SPIR-V.   We have two identical HLSL and GLSL vertex shaders. vkCreateGraphicsPipelines returns VK_ERROR_INITIALIZATION_FAILED, if I use SPIR-V code from...
    last modified by Andrey2007AMD
  • GPU driver hang

    I have a Vulkan issue that only seems to occur on my GPU. I have thus tested it on an R9 Nano, an Nvidia 1060, and it works fine. Validation layers only produce errors related to texture layouts which worked previousl...
    last modified by dutta
  • How is AMD vs Nvidia API Overhead currently?

    Hi everyone & colesdav   I have mentioned my system configuration in a lot of other post, but basically: - Windows 10 64-bit - AMD FX 8350 stock clock speed - 16 GB DD3 1866Mhz RAM - RX 480 MSI GAMING X ...
    last modified by hitbm47
  • Hitman 2 Silent Assassin, 33.3% performance loss between 16.9.2 and 19.4.3

    Hi everyone,   Here are my specs, Windows 10 Professional 64-bit (up to date) 16GB (8x2) HyperX Fury DDR3 1866Mhz RAM AMD FX 8350 stock clocks MSI Radeon RX 480 Gaming X 8G (19.4.3) MSI 990FXA Motherboard (...
    last modified by hitbm47
  • Id Software - RAGE shadows not working properly AMD Radeon RX 480. Fixible by driver?

    Hi everyone   Shadows of dynamic objects in RAGE is still barely working on my RX 480 and one of our other systems with a R9 280X for the last few years, at least since 2016.   I have most of the few graph...
    last modified by hitbm47
  • Crysis 3 low FPS drops & low GPU utilization with RX 480

    Hi everyone,   Here are my specs, Windows 10 Professional 64-bit (up to date) 16GB (8x2) HyperX Fury DDR3 1866Mhz RAM AMD FX 8350 stock clocks MSI Radeon RX 480 Gaming X 8G (19.5.1 drivers) MSI 990FXA Mothe...
    last modified by hitbm47
  • Catastrophic performance loss

    I am the developer of the supermodel emulator (sega model 3 arcade emulator). I've stumbled on an issue that seems to effect all AMD cards, making the project completely unusable on them, even on the highest top of th...
    last modified by __ian__
  • Regression in the current Pro Driver (Windows 10)

    A call to wglDeleteContext after a call to glewInit seems not to clean up the resources properly any more.   The following code snippet compiled for a 32 bit platform leads to a crash (caused by running out of m...
    last modified by mksrksh