On 31.07.2017 14:48, Timothy Arceri wrote:
Reported by valgrind at:
glsl_to_tgsi_visitor::visit(ir_expression*) (st_glsl_to_tgsi.cpp:1560)

When compiling the Deus Ex shaders.

Cc: Karol Herbst <karolher...@gmail.com>
Cc: Nicolai Hähnle <nicolai.haeh...@amd.com>
---

  There is probably more to this. I didn't look too hard.

Nah, I don't think so. Or at least there's no reason to think so. All it takes for this bug is for asm to be emitted before visit(ir_assignment*). Good catch!

Please add:

Fixes: 28a5e7104 ("st/glsl_to_tgsi: handle precise modifier")
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>


  src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 1 +
  1 file changed, 1 insertion(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp 
b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 0d0eceb312..f22ee18504 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4637,20 +4637,21 @@ glsl_to_tgsi_visitor::glsl_to_tgsi_visitor()
     num_address_regs = 0;
     samplers_used = 0;
     images_used = 0;
     indirect_addr_consts = false;
     wpos_transform_const = -1;
     glsl_version = 0;
     native_integers = false;
     mem_ctx = ralloc_context(NULL);
     ctx = NULL;
     prog = NULL;
+   precise = 0;
     shader_program = NULL;
     shader = NULL;
     options = NULL;
     have_sqrt = false;
     have_fma = false;
     use_shared_memory = false;
     has_tex_txf_lz = false;
     variables = NULL;
  }


--
Lerne, wie die Welt wirklich ist,
Aber vergiss niemals, wie sie sein sollte.
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