Cleanup: Correct comments for immediate mode buffer draw functions

source/blender/editors/include/BIF_glutil.h

@@ -148,8 +148,8 @@ void immDrawPixelsTexTiled_scaling(IMMDrawPixelsTexState *state,
  *
  * If color is NULL then use white by default
  *
- * Be also aware that this function unbinds the shader when
- * it's finished.
+ * Unless <em>state->do_shader_unbind<em> is explicitly set to `false`, the shader is unbound when
+ * finished.
  */
 void immDrawPixelsTexTiled_scaling_clipping(IMMDrawPixelsTexState *state,
                                             float x,

source/blender/editors/screen/glutil.c

@@ -64,7 +64,7 @@ IMMDrawPixelsTexState immDrawPixelsTexSetup(int builtin)
 
   state.shader = GPU_shader_get_builtin_shader(builtin);
 
-  /* Shader will be unbind by immUnbindProgram in immDrawPixelsTexScaled_clipping */
+  /* Shader will be unbind by immUnbindProgram in a `immDrawPixelsTex` function. */
   immBindBuiltinProgram(builtin);
   immUniform1i("image", 0);
   state.do_shader_unbind = true;