+ /* Prepare pixel offset for rasterisation:
+ * - pixel center (0.5, 0.5) for GL, or
+ * - assume (0.0, 0.0) for other APIs.
+ */
+ if (setup->llvmpipe->rasterizer->gl_rasterization_rules) {
+ setup->pixel_offset = 0.5f;
+ } else {
+ setup->pixel_offset = 0.0f;
+ }
+