From be35c6ba92ec460f3fc2b172c556d9dc3e253fce Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Thu, 28 Jul 2016 14:41:17 -0700 Subject: [PATCH] draw: Avoid aliasing violations. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Marek Olšák --- src/gallium/auxiliary/draw/draw_cliptest_tmp.h | 6 ++++-- 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; -- 2.30.2