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Unable to use OpenGL ARB_gpu_shader_int64 extension with Mesa

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1

I am working on OpenGL shaders, and I need uint64_t types, etc...
However, when I do glxinfo, this extension is not in the list.

I am using Mesa 18.0.5, and this page tells that the extension is supported for radeonsi drivers from 17.1.0.

My GPU is a AMD Radeon HD 8730M. I am using the radeon driver, but switching to amdgpu is not helping.

Question: how can I achieve to use uint64 in my shaders? By switching to another driver? By updating Mesa? Or is my GPU too old?

The shader I try to compile:

#version 450
#extension GL_ARB_gpu_shader5 : enable
#extension GL_ARB_gpu_shader_int64 : enable

void main()

 uint64_t foo = 0ul;

I got:

0:3(12): warning: extension `GL_ARB_gpu_shader_int64' unsupported in fragment shader
0:7(11): error: syntax error, unexpected NEW_IDENTIFIER, expecting ',' or ';'

glxinfo output:

name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
 GLX_ARB_create_context, GLX_ARB_create_context_profile,
 [...]
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
 GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
 [...]

amd-graphics opengl radeon mesa

share|improve this question

asked Mar 27 at 11:10

Hugal31Hugal31

1063

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I realized that the OpenGL vendor detected by glxinfo is Intel. Is this a sign that mesa is not detecting my AMD GPU ?
  
  – Hugal31
  Mar 27 at 11:18
  

  
  
  
  

add a comment | 

1

I am working on OpenGL shaders, and I need uint64_t types, etc...
However, when I do glxinfo, this extension is not in the list.

I am using Mesa 18.0.5, and this page tells that the extension is supported for radeonsi drivers from 17.1.0.

My GPU is a AMD Radeon HD 8730M. I am using the radeon driver, but switching to amdgpu is not helping.

Question: how can I achieve to use uint64 in my shaders? By switching to another driver? By updating Mesa? Or is my GPU too old?

The shader I try to compile:

#version 450
#extension GL_ARB_gpu_shader5 : enable
#extension GL_ARB_gpu_shader_int64 : enable

void main()

 uint64_t foo = 0ul;

I got:

0:3(12): warning: extension `GL_ARB_gpu_shader_int64' unsupported in fragment shader
0:7(11): error: syntax error, unexpected NEW_IDENTIFIER, expecting ',' or ';'

glxinfo output:

name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
 GLX_ARB_create_context, GLX_ARB_create_context_profile,
 [...]
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
 GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
 [...]

amd-graphics opengl radeon mesa

share|improve this question

asked Mar 27 at 11:10

Hugal31Hugal31

1063

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I realized that the OpenGL vendor detected by glxinfo is Intel. Is this a sign that mesa is not detecting my AMD GPU ?
  
  – Hugal31
  Mar 27 at 11:18
  

  
  
  
  

add a comment | 

I am working on OpenGL shaders, and I need uint64_t types, etc...
However, when I do glxinfo, this extension is not in the list.

I am using Mesa 18.0.5, and this page tells that the extension is supported for radeonsi drivers from 17.1.0.

My GPU is a AMD Radeon HD 8730M. I am using the radeon driver, but switching to amdgpu is not helping.

Question: how can I achieve to use uint64 in my shaders? By switching to another driver? By updating Mesa? Or is my GPU too old?

The shader I try to compile:

#version 450
#extension GL_ARB_gpu_shader5 : enable
#extension GL_ARB_gpu_shader_int64 : enable

void main()

 uint64_t foo = 0ul;

I got:

0:3(12): warning: extension `GL_ARB_gpu_shader_int64' unsupported in fragment shader
0:7(11): error: syntax error, unexpected NEW_IDENTIFIER, expecting ',' or ';'

glxinfo output:

name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
 GLX_ARB_create_context, GLX_ARB_create_context_profile,
 [...]
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
 GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
 [...]

amd-graphics opengl radeon mesa

share|improve this question

asked Mar 27 at 11:10

Hugal31Hugal31

1063

#version 450
#extension GL_ARB_gpu_shader5 : enable
#extension GL_ARB_gpu_shader_int64 : enable

void main()

 uint64_t foo = 0ul;

0:3(12): warning: extension `GL_ARB_gpu_shader_int64' unsupported in fragment shader
0:7(11): error: syntax error, unexpected NEW_IDENTIFIER, expecting ',' or ';'

name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
 GLX_ARB_create_context, GLX_ARB_create_context_profile,
 [...]
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
 GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
 [...]

share|improve this question

asked Mar 27 at 11:10

Hugal31Hugal31

1063

share|improve this question

asked Mar 27 at 11:10

Hugal31Hugal31

1063

asked Mar 27 at 11:10

Hugal31Hugal31

1063

asked Mar 27 at 11:10

Hugal31Hugal31

1063

1 Answer
1

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oldest

votes

0

Got it.

Mesa was indeed using my integrated graphic chipset. By launching all the commands with the environment variable DRI_PRIME=1, I was able to directly use my GPU, thus enabling the asked extensions.

Howerver, I am not sure if setting this environment variable each time or globally is a good solution.

share|improve this answer

answered Mar 27 at 12:15

Hugal31Hugal31

1063

add a comment | 

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0

Got it.

Mesa was indeed using my integrated graphic chipset. By launching all the commands with the environment variable DRI_PRIME=1, I was able to directly use my GPU, thus enabling the asked extensions.

Howerver, I am not sure if setting this environment variable each time or globally is a good solution.

share|improve this answer

answered Mar 27 at 12:15

Hugal31Hugal31

1063

add a comment | 

0

Got it.

Mesa was indeed using my integrated graphic chipset. By launching all the commands with the environment variable DRI_PRIME=1, I was able to directly use my GPU, thus enabling the asked extensions.

Howerver, I am not sure if setting this environment variable each time or globally is a good solution.

share|improve this answer

answered Mar 27 at 12:15

Hugal31Hugal31

1063

add a comment | 

Got it.

Mesa was indeed using my integrated graphic chipset. By launching all the commands with the environment variable DRI_PRIME=1, I was able to directly use my GPU, thus enabling the asked extensions.

Howerver, I am not sure if setting this environment variable each time or globally is a good solution.

share|improve this answer

answered Mar 27 at 12:15

Hugal31Hugal31

1063

share|improve this answer

answered Mar 27 at 12:15

Hugal31Hugal31

1063

answered Mar 27 at 12:15

Hugal31Hugal31

1063

answered Mar 27 at 12:15

Hugal31Hugal31

1063