When an atomic function is called, we need to check to see if it is
for an SSBO variable before lowering it to the SSBO specific intrinsic
function.
v2:
* is_in_buffer_block => is_in_shader_storage_block (Iago)
Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
Reviewed-by: Iago Toral Quiroga <ito...@igalia.com>
---
src/glsl/lower_ubo_reference.cpp | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/glsl/lower_ubo_reference.cpp b/src/glsl/lower_ubo_reference.cpp
index 6c29009..d72ba78 100644
--- a/src/glsl/lower_ubo_reference.cpp
+++ b/src/glsl/lower_ubo_reference.cpp
@@ -860,6 +860,20 @@
lower_ubo_reference_visitor::lower_ssbo_atomic_intrinsic(ir_call *ir)
ir_call *
lower_ubo_reference_visitor::check_for_ssbo_atomic_intrinsic(ir_call *ir)
{
+ exec_list& params = ir->actual_parameters;
+
+ if (params.length() < 2 || params.length() > 3)
+ return ir;
+
+ ir_rvalue *rvalue =
+ ((ir_instruction *) params.get_head())->as_rvalue();
+ if (!rvalue)
+ return ir;
+
+ ir_variable *var = rvalue->variable_referenced();
+ if (!var || !var->is_in_shader_storage_block())
+ return ir;
+
const char *callee = ir->callee_name();
if (!strcmp("__intrinsic_atomic_add", callee) ||
!strcmp("__intrinsic_atomic_min", callee) ||
--
2.6.2
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