Potential fix for issue #491

TUDelft-CNS-ATM · Nov 29, 2023 · a820a28 · a820a28
1 parent 194e6d3
commit a820a28
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/bluesky/ui/qtgl/glhelpers.py b/bluesky/ui/qtgl/glhelpers.py
@@ -188,6 +188,11 @@ def p_getuboiv(programid, uboid, pname):
  funcptr = ctx.getProcAddress(b'glVertexAttrib4Nub')
  gl.glVertexAttrib4Nub = funtype(funcptr.__int__())
 
+ # void glVertexAttrib1f( GLuint index, GLfloat v0)
+ funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_float)
+ funcptr = ctx.getProcAddress(b'glVertexAttrib1f')
+ gl.glVertexAttrib1f = funtype(funcptr.__int__())
+
  # void glTexImage2D( GLenum target,
  # GLint level,
  # GLint internalFormat,
@@ -645,7 +650,8 @@ def draw(self, primitive_type=None, first_vertex=None, vertex_count=None, n_inst
  self.texture.bind(0)
 
  if self.single_scale is not None:
- shader.setAttributeValue(*self.single_scale)
+ gl.glVertexAttrib1f(*self.single_scale)
+ # shader.setAttributeValue(*self.single_scale)
 
  if n_instances > 0:
  gl.glDrawArraysInstanced(