From f0debbb0bb951bfc6dc0ae467564b3b1230324cf Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 5 Nov 2008 14:02:07 -0700 Subject: gallium: call tgsi_set_exec_mask() and use exec mask in SSE ARL code This prevents vertex shaders from referencing invalid memory locations when the shader is operating on less than four vertices or fragments. --- src/gallium/auxiliary/draw/draw_vs_exec.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/gallium/auxiliary/draw/draw_vs_exec.c') diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c index 44563803f9..82d27d4493 100644 --- a/src/gallium/auxiliary/draw/draw_vs_exec.c +++ b/src/gallium/auxiliary/draw/draw_vs_exec.c @@ -120,6 +120,12 @@ vs_exec_run_linear( struct draw_vertex_shader *shader, input = (const float (*)[4])((const char *)input + input_stride); } + tgsi_set_exec_mask(machine, + 1, + max_vertices > 1, + max_vertices > 2, + max_vertices > 3); + /* run interpreter */ tgsi_exec_machine_run( machine ); -- cgit v1.2.3