+/* Mainly for debug at this stage:
+ */
+static void do_rhw_viewport( struct draw_vs_varient_generic *vsvg,
+ unsigned count,
+ void *output_buffer )
+{
+ char *ptr = (char *)output_buffer;
+ const float *scale = vsvg->base.vs->draw->viewport.scale;
+ const float *trans = vsvg->base.vs->draw->viewport.translate;
+ unsigned stride = vsvg->temp_vertex_stride;
+ unsigned j;
+
+ ptr += vsvg->base.vs->position_output * 4 * sizeof(float);
+
+ for (j = 0; j < count; j++, ptr += stride) {
+ float *data = (float *)ptr;
+ float w = 1.0f / data[3];
+
+ data[0] = data[0] * w * scale[0] + trans[0];
+ data[1] = data[1] * w * scale[1] + trans[1];
+ data[2] = data[2] * w * scale[2] + trans[2];
+ data[3] = w;
+ }
+}
+
+static void do_viewport( struct draw_vs_varient_generic *vsvg,
+ unsigned count,
+ void *output_buffer )
+{
+ char *ptr = (char *)output_buffer;
+ const float *scale = vsvg->base.vs->draw->viewport.scale;
+ const float *trans = vsvg->base.vs->draw->viewport.translate;
+ unsigned stride = vsvg->temp_vertex_stride;
+ unsigned j;
+
+ ptr += vsvg->base.vs->position_output * 4 * sizeof(float);
+
+ for (j = 0; j < count; j++, ptr += stride) {
+ float *data = (float *)ptr;
+
+ data[0] = data[0] * scale[0] + trans[0];
+ data[1] = data[1] * scale[1] + trans[1];
+ data[2] = data[2] * scale[2] + trans[2];
+ }
+}
+
+
+static void PIPE_CDECL vsvg_run_elts( struct draw_vs_varient *varient,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer)