• GLSL issue: findMSB of zero with clamp

    Working on TheDarkMod game, we have bumped into an issue which looks like a driver bug. Note that we have also found various workarounds, so we don't need any help with it. "Civic duty" is the only reason behind this...
    last modified by stgatilov
  • AMD Vulkan driver SPIR-V shader Much more critical bug

    This is my third bugreport about Vulkan SPIR-V shaders bugs in AMD: Previous bugs 1, 2   Hardware AMD Vega 8(Ryzen 3200) This is not hardware bug, why - because this shader work without problems in same AMD ha...
    last modified by danilw
  • AMD 5700XT OpenGL Driver Bug

    Hi,   When using an AMD 5700XT and trying to run an OpenGL application i get a driver crash in the following line:   glDrawArraysInstanced(GL_PATCHES, 0, static_cast <GLsizei>(4), static_cast <GLs...
    last modified by aferreira.bs@gmail.com
  • AMD Vulkan driver SPIR-V shader Very critical bug

    hardware AMD Vega 8   1. This is not hardware bug, why - because this shader work without problems in same AMD hardware in OpenGL. 2. This bug does ruin all if/else/for loops/etc inside of loops and this can no...
    last modified by danilw
  • AMD GLES2 Depth write broken

    related to Godot engine (my bugreport there) link image of broken depth      test project GLES2 link(exe) depth on GLES3 does not have this bug test project GLES3 link(exe)   Windows 10, AMD ...
    created by danilw
  • OpenGL completely broken by Adrenalin 2020 driver

    I work on the RPCS3 emulator and since the new driver came out, OpenGL no longer works. This doesn't seem isolated to the application as replaying traces on affected hardware causes replay applications like renderdoc ...
    last modified by kd-11
  • How the VK_LAYER_AMD_switchable_graphics is supposed to work?

    I have a laptop with Intel 620 and extenal RX 580 in Akitio Node Thunderbolt 3 case. When connecting eGPU and running vulkaininfo only the Intel 620 gpu is enumerated and then I get an error: vulkaninfo.h:881: fa...
    last modified by cospp
  • Vulkan development and recent AMD drivers

    I've recently purchased an RX 470(Asus mining edition) to get access to AMD's suite of awesome profiling tools, for Vulkan development. Alas, under Adrenalin 19.12.2(and I've installed the optional 19.12.3 today), Vu...
    last modified by kknewkles
  • Awful OpenGL FBO performance when writing to nonzero attachment

    I'm making a game graphics engine with some screen-space processing (that's important), and figured out that our game runs incredibly slow on AMD gpus.   Investigation showed that the problem is in writing to no...
    last modified by s_k
  • OpenGL and Vulkan Interoperability issues

    Hello AMD Community, I have an issue with the interoperablility functionality. Small description: - Create vulkan image and bind it to the memory with external memory functionality. - Get Win32Handle of it. - Imp...
    last modified by angelcoder
  • Windows 7 OpenGL 4.5 Radeon HD 7950. FBO not clear depth. Crimson 17.12.1

    I created context wglCreateContextAttribsARB with:   WGL_SUPPORT_OPENGL_ARB, GL_TRUE,\                     ...
    last modified by ronniko
  • Rendering to display not atteched to Windows desktop

    Hello. Is there any option to render with any API to display which is connected to device, but not attached to Windows desktop? I need to render some signal on graphics output and need to be sure that no mouse pointer...
    last modified by zachar
  • glCompressedTextureSubImage2DEXT cubemap bug

    I'm (indirectly via Qt's QOpenGLTexture) using EXT_direct_state_access to upload textures to the GPU. With the EXT version of DSA, I should be able to call glGenTextures to get a texture name, call glTextureStora...
    last modified by anyoldname3
  • vkCreateGraphicsPipelines returns VK_ERROR_OUT_OF_HOST_MEMORY

    Hi All ! I use glslang for compilation GLSL/HLSL to SPIR-V.  vkCreateGraphicsPipelines returns VK_ERROR_OUT_OF_HOST_MEMORY So, I know the problem in my shader code, because if I use SV_POSITION instead ...
    last modified by Andrey2007AMD
  • Segfault in OpenGL on optional drivers...

    I am developing a game and have found several reports of a feature breaking in the optional drivers (19.7.4, 19.9.2, perhaps others)  but working as expected in the stable drivers 19.5.2. It has to do with c...
    last modified by timbeaudet
  • Dreadful OpenGL performance

    I guess this can be considered a kind-of follow up of Abysmal OpenGL performance (RX480)   Basically.. I tried the my testcase on the following systems: Core 2 Duo E8400 + Radeon 7750: ~19 FPS Phenom II X4 965...
    last modified by mirh
  • Crash on DX9 games

    Hello,   I'm working on an online game company that services a legacy DX9 game. The game is crashing on some recently released AMD GPUs. I hope some people working on AMD can give me some hints about these issue...
    last modified by seizongmyoung
  • AMD Radeon aproach to screen capture

    Hello lovelies!   What I might be asking could be impossible so I'm asking two questions really, firstly whether it is even possible and secondly, if it is, how should I go about it. I am working on a bit of sa...
    last modified by yobson
  • MSAA FBO blit artifacts

    Hi there.   In lastest drivers i have some problem. Main opengl context created without msaa enabled. Created fbo with msaa (2x, 4x ... etc) and all draws happen here. Finally calls glBlitFramebuffer to defaul...
    last modified by stailgot
  • Vulkan Issues - bad tearing and AMDVLK driver issue

    Hello. I am here to discuss 2 problems that I got with using the Vulkan API on both Windows and Linux OS. First issue: I have a problem using Vsync with games/softwares that use the Vulkan API. Software like Dolphin,P...
    last modified by zinx