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draw: Avoid aliasing violations. 

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Matt Turner 2016-07-28 14:41:17 -07:00
parent 8e68f35d32
commit be35c6ba92
2 changed files with 6 additions and 3 deletions
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6
src/gallium/auxiliary/draw/draw_cliptest_tmp.h
View File

@ -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;

3
src/gallium/auxiliary/draw/draw_pipe_clip.c
View File

@ -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;