diff options
| author | Matt Turner <[email protected]> | 2016-07-28 14:41:17 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2016-08-01 12:09:17 -0700 |
| commit | be35c6ba92ec460f3fc2b172c556d9dc3e253fce (patch) | |
| tree | da57622fcfb347d948b27eccd5d74f1206033e0f | |
| parent | 8e68f35d3208b313a106853a85994792446d0b72 (diff) | |
draw: Avoid aliasing violations.
Reviewed-by: Marek Olšák <[email protected]>
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_cliptest_tmp.h | 6 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_clip.c | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/draw/draw_cliptest_tmp.h b/src/gallium/auxiliary/draw/draw_cliptest_tmp.h index 6fbefa56bf1..dd57c5678e0 100644 --- 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 ) @@ -45,7 +47,7 @@ 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); @@ -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; diff --git a/src/gallium/auxiliary/draw/draw_pipe_clip.c b/src/gallium/auxiliary/draw/draw_pipe_clip.c index 78845ac0450..cf2b41738bf 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_clip.c +++ b/src/gallium/auxiliary/draw/draw_pipe_clip.c @@ -32,6 +32,7 @@ */ +#include "util/u_bitcast.h" #include "util/u_memory.h" #include "util/u_math.h" @@ -90,7 +91,7 @@ draw_viewport_index(struct draw_context *draw, unsigned viewport_index_output = draw_current_shader_viewport_index_output(draw); unsigned viewport_index = - *((unsigned*)leading_vertex->data[viewport_index_output]); + u_bitcast_f2u(leading_vertex->data[viewport_index_output][0]); return draw_clamp_viewport_idx(viewport_index); } else { return 0; |