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main/cs: Implement query for COMPUTE_WORK_GROUP_SIZE.

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v2: Improve error message.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Paul Berry 2014-01-09 04:03:30 -08:00
parent 28ce604b7f
commit f5c5438e1f
1 changed files with 18 additions and 0 deletions
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18
src/mesa/main/shaderapi.c
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@ -663,6 +663,24 @@ get_programiv(struct gl_context *ctx, GLuint program, GLenum pname, GLint *param
*params = shProg->NumAtomicBuffers;
return;
case GL_COMPUTE_WORK_GROUP_SIZE: {
int i;
if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_compute_shader)
break;
if (!shProg->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramiv(program not "
"linked)");
return;
}
if (shProg->_LinkedShaders[MESA_SHADER_COMPUTE] == NULL) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramiv(no compute "
"shaders)");
return;
}
for (i = 0; i < 3; i++)
params[i] = shProg->Comp.LocalSize[i];
return;
}
default:
break;
}