gallivm: replace `0x` version print with actual version string

[mesa.git] / src / gallium / auxiliary / draw / draw_cliptest_tmp.h

diff --git a/src/gallium/auxiliary/draw/draw_cliptest_tmp.h b/src/gallium/auxiliary/draw/draw_cliptest_tmp.h
index 06c82c39429481829f6005dc9ba98d4c1fe11334..dd57c5678e0343e552a22c2096d0f4928a203437 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_cliptest_tmp.h
+++ b/src/gallium/auxiliary/draw/draw_cliptest_tmp.h
@@ -25,6 +25,8 @@
  * 
  **************************************************************************/
 
+#include "util/u_bitcast.h"
+
 static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
                                  struct draw_vertex_info *info,
                                  const struct draw_prim_info *prim_info )
@@ -45,12 +47,12 @@ static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
       draw_current_shader_viewport_index_output(pvs->draw);
    int viewport_index = 
       draw_current_shader_uses_viewport_index(pvs->draw) ?
-      *((unsigned*)out->data[viewport_index_output]): 0;
+      u_bitcast_f2u(out->data[viewport_index_output][0]): 0;
    int num_written_clipdistance =
       draw_current_shader_num_written_clipdistances(pvs->draw);
 
-   cd[0] = draw_current_shader_clipdistance_output(pvs->draw, 0);
-   cd[1] = draw_current_shader_clipdistance_output(pvs->draw, 1);
+   cd[0] = draw_current_shader_ccdistance_output(pvs->draw, 0);
+   cd[1] = draw_current_shader_ccdistance_output(pvs->draw, 1);
 
    if (cd[0] != pos || cd[1] != pos)
       have_cd = true;
@@ -72,7 +74,7 @@ static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
          unsigned verts_per_prim = u_vertices_per_prim(prim_info->prim);
          /* only change the viewport_index for the leading vertex */
          if (!(j % verts_per_prim)) {
-            viewport_index = *((unsigned*)out->data[viewport_index_output]);
+            viewport_index = u_bitcast_f2u(out->data[viewport_index_output][0]);
             viewport_index = draw_clamp_viewport_idx(viewport_index);
          }
          scale = pvs->draw->viewports[viewport_index].scale;
@@ -91,34 +93,34 @@ static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
          }
 
          for (i = 0; i < 4; i++) {
-            out->clip_vertex[i] = clipvertex[i];
             out->clip_pos[i] = position[i];
          }
 
+         /* Be careful with NaNs. Comparisons must be true for them. */
          /* Do the hardwired planes first:
           */
          if (flags & DO_CLIP_XY_GUARD_BAND) {
-            if (-0.50 * position[0] + position[3] < 0) mask |= (1<<0);
-            if ( 0.50 * position[0] + position[3] < 0) mask |= (1<<1);
-            if (-0.50 * position[1] + position[3] < 0) mask |= (1<<2);
-            if ( 0.50 * position[1] + position[3] < 0) mask |= (1<<3);
+            if (!(-0.50 * position[0] + position[3] >= 0)) mask |= (1<<0);
+            if (!( 0.50 * position[0] + position[3] >= 0)) mask |= (1<<1);
+            if (!(-0.50 * position[1] + position[3] >= 0)) mask |= (1<<2);
+            if (!( 0.50 * position[1] + position[3] >= 0)) mask |= (1<<3);
          }
          else if (flags & DO_CLIP_XY) {
-            if (-position[0] + position[3] < 0) mask |= (1<<0);
-            if ( position[0] + position[3] < 0) mask |= (1<<1);
-            if (-position[1] + position[3] < 0) mask |= (1<<2);
-            if ( position[1] + position[3] < 0) mask |= (1<<3);
+            if (!(-position[0] + position[3] >= 0)) mask |= (1<<0);
+            if (!( position[0] + position[3] >= 0)) mask |= (1<<1);
+            if (!(-position[1] + position[3] >= 0)) mask |= (1<<2);
+            if (!( position[1] + position[3] >= 0)) mask |= (1<<3);
          }
 
          /* Clip Z planes according to full cube, half cube or none.
           */
          if (flags & DO_CLIP_FULL_Z) {
-            if ( position[2] + position[3] < 0) mask |= (1<<4);
-            if (-position[2] + position[3] < 0) mask |= (1<<5);
+            if (!( position[2] + position[3] >= 0)) mask |= (1<<4);
+            if (!(-position[2] + position[3] >= 0)) mask |= (1<<5);
          }
          else if (flags & DO_CLIP_HALF_Z) {
-            if ( position[2]               < 0) mask |= (1<<4);
-            if (-position[2] + position[3] < 0) mask |= (1<<5);
+            if (!( position[2]               >= 0)) mask |= (1<<4);
+            if (!(-position[2] + position[3] >= 0)) mask |= (1<<5);
          }
 
          if (flags & DO_CLIP_USER) {
@@ -145,7 +147,7 @@ static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
                   if (clipdist < 0 || util_is_inf_or_nan(clipdist))
                      mask |= 1 << plane_idx;
                } else {
-                  if (dot4(clipvertex, plane[plane_idx]) < 0)
+                  if (!(dot4(clipvertex, plane[plane_idx]) >= 0))
                      mask |= 1 << plane_idx;
                }
             }
@@ -191,7 +193,6 @@ static boolean TAG(do_cliptest)( struct pt_post_vs *pvs,
 
       out = (struct vertex_header *)( (char *)out + info->stride );
    }
-
    return need_pipeline != 0;
 }