AMD GL_EXT_gpu_shader4 extension












2















I have stumbled into a basic OpenGL driver bug and I'm not sure where to report them.



Here's how the driver identifies itself and how we create the RC:



OpenGL vendor: X.Org
OpenGL renderer: AMD CARRIZO (DRM 3.26.0, 4.18.0-13-generic, LLVM 7.0.0)
OpenGL version: 4.4 (Compatibility Profile) Mesa 18.2.2
v - using GL version 2.0 (core)


It has ARB_gpu_shader5 in its extension list but not EXT_gpu_shader4.



This shader fails to compile



#version 120
#extension GL_EXT_gpu_shader4: enable
...
uniform usampler2D u_stencilTexture;


With this error:



interaction VFWARNING:CompileShader(glprogs/interaction.fs): FAILED
0:2(12): warning: extension `GL_EXT_gpu_shader4' unsupported in fragment shader
0:27(20): error: syntax error, unexpected NEW_IDENTIFIER, expecting '{'


So my question is: how do I get the version 120 shader with the usampler extension to build on seemingly Opengl-4.4 capable GPU/driver?



Preferably in a cross-platform, cross-vendor way.



Please note that the same shader compiles just fine on a wide range of devices/drivers on both Linux and Windows.










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    2















    I have stumbled into a basic OpenGL driver bug and I'm not sure where to report them.



    Here's how the driver identifies itself and how we create the RC:



    OpenGL vendor: X.Org
    OpenGL renderer: AMD CARRIZO (DRM 3.26.0, 4.18.0-13-generic, LLVM 7.0.0)
    OpenGL version: 4.4 (Compatibility Profile) Mesa 18.2.2
    v - using GL version 2.0 (core)


    It has ARB_gpu_shader5 in its extension list but not EXT_gpu_shader4.



    This shader fails to compile



    #version 120
    #extension GL_EXT_gpu_shader4: enable
    ...
    uniform usampler2D u_stencilTexture;


    With this error:



    interaction VFWARNING:CompileShader(glprogs/interaction.fs): FAILED
    0:2(12): warning: extension `GL_EXT_gpu_shader4' unsupported in fragment shader
    0:27(20): error: syntax error, unexpected NEW_IDENTIFIER, expecting '{'


    So my question is: how do I get the version 120 shader with the usampler extension to build on seemingly Opengl-4.4 capable GPU/driver?



    Preferably in a cross-platform, cross-vendor way.



    Please note that the same shader compiles just fine on a wide range of devices/drivers on both Linux and Windows.










    share|improve this question







    New contributor




    Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      2












      2








      2








      I have stumbled into a basic OpenGL driver bug and I'm not sure where to report them.



      Here's how the driver identifies itself and how we create the RC:



      OpenGL vendor: X.Org
      OpenGL renderer: AMD CARRIZO (DRM 3.26.0, 4.18.0-13-generic, LLVM 7.0.0)
      OpenGL version: 4.4 (Compatibility Profile) Mesa 18.2.2
      v - using GL version 2.0 (core)


      It has ARB_gpu_shader5 in its extension list but not EXT_gpu_shader4.



      This shader fails to compile



      #version 120
      #extension GL_EXT_gpu_shader4: enable
      ...
      uniform usampler2D u_stencilTexture;


      With this error:



      interaction VFWARNING:CompileShader(glprogs/interaction.fs): FAILED
      0:2(12): warning: extension `GL_EXT_gpu_shader4' unsupported in fragment shader
      0:27(20): error: syntax error, unexpected NEW_IDENTIFIER, expecting '{'


      So my question is: how do I get the version 120 shader with the usampler extension to build on seemingly Opengl-4.4 capable GPU/driver?



      Preferably in a cross-platform, cross-vendor way.



      Please note that the same shader compiles just fine on a wide range of devices/drivers on both Linux and Windows.










      share|improve this question







      New contributor




      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I have stumbled into a basic OpenGL driver bug and I'm not sure where to report them.



      Here's how the driver identifies itself and how we create the RC:



      OpenGL vendor: X.Org
      OpenGL renderer: AMD CARRIZO (DRM 3.26.0, 4.18.0-13-generic, LLVM 7.0.0)
      OpenGL version: 4.4 (Compatibility Profile) Mesa 18.2.2
      v - using GL version 2.0 (core)


      It has ARB_gpu_shader5 in its extension list but not EXT_gpu_shader4.



      This shader fails to compile



      #version 120
      #extension GL_EXT_gpu_shader4: enable
      ...
      uniform usampler2D u_stencilTexture;


      With this error:



      interaction VFWARNING:CompileShader(glprogs/interaction.fs): FAILED
      0:2(12): warning: extension `GL_EXT_gpu_shader4' unsupported in fragment shader
      0:27(20): error: syntax error, unexpected NEW_IDENTIFIER, expecting '{'


      So my question is: how do I get the version 120 shader with the usampler extension to build on seemingly Opengl-4.4 capable GPU/driver?



      Preferably in a cross-platform, cross-vendor way.



      Please note that the same shader compiles just fine on a wide range of devices/drivers on both Linux and Windows.







      opengl amdgpu glsl






      share|improve this question







      New contributor




      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









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      New contributor




      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Anton Duzenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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