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draw: cope with binding NULL vertex shader (on context delete, for instance)

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This commit is contained in:
Keith Whitwell
2008-03-09 20:17:02 +00:00
parent d8d6569e28
commit aff4cf19a7
1 changed files with 12 additions and 5 deletions
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src/gallium/auxiliary/draw/draw_vertex_shader.c
+12 -5
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@@ -110,13 +110,20 @@ draw_bind_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs)
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
if (dvs)
{
draw->vertex_shader = dvs;
draw->num_vs_outputs = dvs->info.num_outputs;
draw->vertex_shader = dvs;
draw->num_vs_outputs = dvs->info.num_outputs;
tgsi_exec_machine_init(&draw->machine);
tgsi_exec_machine_init(&draw->machine);
dvs->prepare( dvs, draw );
dvs->prepare( dvs, draw );
}
else {
draw->vertex_shader = NULL;
draw->num_vs_outputs = 0;
}
}