• 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...
    Andrey2007AMD
    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...
    dutta
    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 ...
    hitbm47
    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 (...
    hitbm47
    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...
    hitbm47
    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...
    __ian__
    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...
    mksrksh
    last modified by mksrksh
  • Driver bug?

    Hi, I use the following shader (HLSL) to scale positions, normals, and depth for post processing:   Texture2D normalTexture : register(t0); Texture2D positionTexture : register(t1); Texture2D<float> depth...
    beosar
    last modified by beosar
  • Wolfenstein The Old Blood, RX 480 low performance

    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) MSI 990FXA Motherboard (...
    hitbm47
    created by hitbm47
  • Bug with glsl sampler array

    Hi,   I'm about to implement some sort of megaTexturing and I've ran into a bug.   I have 4 pieces of 2D RGBA8 textures with 1 mipmap layers. Size is 16k * 16k. In total they need 8GB of space. I allocate ...
    realhet
    last modified by realhet
  • Bug in pixel transfer operations (OpenGL)

    I have encountered a rather interesting bug with pixel transfer operations. I have tested this on several AMD cards from the 7000 series to the RX 480 and 580. The core of the problem is that when a texture is create...
    kd-11
    last modified by kd-11
  • AMD R7 240/Win7 X64 vkQueuePresentKHR returns VK_ERROR_DEVICE_LOST Driver 19.4.3

    Hi! after updating drivers(i tested from 19.3.2 version and above) I have some problem with any Vulkan application. vkQueuePresentKHR returns VK_ERROR_DEVICE_LOST - for any projects. Lunarg Vulkan cube sample doesn'...
    Andrey2007AMD
    last modified by Andrey2007AMD
  • Integer vertex specification is cast from GLint to GLfloat

    I'm trying to render a quad (two triangles) on screen with the vertex array buffer data of type GLint (typedef'd to an int32_t on my system) but the data I get in the vertex shader is as if the GLint had been cast to ...
    einzuweitesfeld
    last modified by einzuweitesfeld
  • Bugs on Linux with GL state queries

    There are a couple of GL state queries that fail on linux, namely GL_VERTEX_BINDING_BUFFER and GL_POLYGON_MODE. The former is listed as an unrecognised enum to glGetIntegeri_v. GL_POLYGON_MODE is recognised, but it cl...
    baldurk
    last modified by baldurk
  • Hitman 2016, agents 47's head missing from shadow?

    Hi everyone   I started this post on "general discussions" a few days ago and would like to know if anyone else is experiencing this possible bug? Hitman 2016, Agent 47's head missing from shadow    K...
    hitbm47
    created by hitbm47
  • False arithmetic results in GLSL shader when adressing integer vector with array subscripting

    I have the following Fragment Shader   #version 460   layout(location = 0)   out vec4 Helligkeit;   void main( void ){   //Declaring "sip" as ivec2 yields the erroneous behaviour ... ...
    einzuweitesfeld
    last modified by einzuweitesfeld
  • Mipmap levels >0 for Sparse a texture 2d array are always black?

    I have been learning the most recent OpenGL techniques by making a Quake 2 Renderer. I am having an issue using a sparse texture 2d array. I have the code up on github here: discoloda/Quake-2 · GitHub in ref/gl3/...
    discoloda
    last modified by discoloda
  • Xfree86 support for AMD Readeon Pro Wx2100

    Hi ,   I am new to graphics environment, I would like to know some details about AMD GPU opensource vulkan driver.   We are using radeonHD driver for supporting RV516 chipset, We would like to move to AMD ...
    hari
    last modified by hari
  • directx12 driver bug

    BGR GenerateMips wrong · Issue #49 · Microsoft/DirectXTK12 · GitHub  GitHub - walbourn/directxtk12test: Tests for DirectX Tool Kit for Direct3D 12 
    liga
    last modified by liga
  • OpenGL: 16-bit shader storage buffer problem

    I am implementing a compute shader that uses 16-bit SSBO, defined as   layout(std430, binding=10) writeonly buffer _chunkDesc{     uint16_t chunkDesc[];};   using   #extension GL_AMD_g...
    nmanjofo
    last modified by nmanjofo