1 files changed, 38 insertions, 2 deletions

diff --git a/src/compiler/glsl/lower_ubo_reference.cpp b/src/compiler/glsl/lower_ubo_reference.cpp
index a172054..d6269f7 100644
--- a/src/compiler/glsl/lower_ubo_reference.cpp
+++ b/src/compiler/glsl/lower_ubo_reference.cpp
@@ -45,7 +45,7 @@ class lower_ubo_reference_visitor :
       public lower_buffer_access::lower_buffer_access {
 public:
    lower_ubo_reference_visitor(struct gl_shader *shader)
-   : shader(shader)
+   : shader(shader), struct_field(NULL), variable(NULL)
    {
    }
 
@@ -60,6 +60,7 @@ public:
                                 bool *row_major,
                                 int *matrix_columns,
                                 unsigned packing);
+   uint32_t ssbo_access_params();
    ir_expression *ubo_load(void *mem_ctx, const struct glsl_type *type,
 			   ir_rvalue *offset);
    ir_call *ssbo_load(void *mem_ctx, const struct glsl_type *type,
@@ -104,6 +105,8 @@ public:
 
    struct gl_shader *shader;
    struct gl_uniform_buffer_variable *ubo_var;
+   const struct glsl_struct_field *struct_field;
+   ir_variable *variable;
    ir_rvalue *uniform_block;
    bool progress;
 };
@@ -288,8 +291,9 @@ lower_ubo_reference_visitor::setup_for_load_or_store(void *mem_ctx,
 
    *const_offset = ubo_var->Offset;
 
+   this->struct_field = NULL;
    setup_buffer_access(mem_ctx, var, deref, offset, const_offset, row_major,
-                       matrix_columns, packing);
+                       matrix_columns, &this->struct_field, packing);
 }
 
 void
@@ -317,6 +321,7 @@ lower_ubo_reference_visitor::handle_rvalue(ir_rvalue **rvalue)
    this->buffer_access_type =
       var->is_in_shader_storage_block() ?
       ssbo_load_access : ubo_load_access;
+   this->variable = var;
 
    /* Compute the offset to the start if the dereference as well as other
     * information we need to configure the write
@@ -370,6 +375,24 @@ shader_storage_buffer_object(const _mesa_glsl_parse_state *state)
    return state->ARB_shader_storage_buffer_object_enable;
 }
 
+uint32_t
+lower_ubo_reference_visitor::ssbo_access_params()
+{
+   assert(variable);
+
+   if (variable->is_interface_instance()) {
+      assert(struct_field);
+
+      return ((struct_field->image_coherent ? ACCESS_COHERENT : 0) |
+              (struct_field->image_restrict ? ACCESS_RESTRICT : 0) |
+              (struct_field->image_volatile ? ACCESS_VOLATILE : 0));
+   } else {
+      return ((variable->data.image_coherent ? ACCESS_COHERENT : 0) |
+              (variable->data.image_restrict ? ACCESS_RESTRICT : 0) |
+              (variable->data.image_volatile ? ACCESS_VOLATILE : 0));
+   }
+}
+
 ir_call *
 lower_ubo_reference_visitor::ssbo_store(void *mem_ctx,
                                         ir_rvalue *deref,
@@ -394,6 +417,10 @@ lower_ubo_reference_visitor::ssbo_store(void *mem_ctx,
       ir_variable(glsl_type::uint_type, "write_mask" , ir_var_function_in);
    sig_params.push_tail(writemask_ref);
 
+   ir_variable *access_ref = new(mem_ctx)
+      ir_variable(glsl_type::uint_type, "access" , ir_var_function_in);
+   sig_params.push_tail(access_ref);
+
    ir_function_signature *sig = new(mem_ctx)
       ir_function_signature(glsl_type::void_type, shader_storage_buffer_object);
    assert(sig);
@@ -408,6 +435,7 @@ lower_ubo_reference_visitor::ssbo_store(void *mem_ctx,
    call_params.push_tail(offset->clone(mem_ctx, NULL));
    call_params.push_tail(deref->clone(mem_ctx, NULL));
    call_params.push_tail(new(mem_ctx) ir_constant(write_mask));
+   call_params.push_tail(new(mem_ctx) ir_constant(ssbo_access_params()));
    return new(mem_ctx) ir_call(sig, NULL, &call_params);
 }
 
@@ -426,6 +454,10 @@ lower_ubo_reference_visitor::ssbo_load(void *mem_ctx,
       ir_variable(glsl_type::uint_type, "offset_ref" , ir_var_function_in);
    sig_params.push_tail(offset_ref);
 
+   ir_variable *access_ref = new(mem_ctx)
+      ir_variable(glsl_type::uint_type, "access" , ir_var_function_in);
+   sig_params.push_tail(access_ref);
+
    ir_function_signature *sig =
       new(mem_ctx) ir_function_signature(type, shader_storage_buffer_object);
    assert(sig);
@@ -444,6 +476,7 @@ lower_ubo_reference_visitor::ssbo_load(void *mem_ctx,
    exec_list call_params;
    call_params.push_tail(this->uniform_block->clone(mem_ctx, NULL));
    call_params.push_tail(offset->clone(mem_ctx, NULL));
+   call_params.push_tail(new(mem_ctx) ir_constant(ssbo_access_params()));
 
    return new(mem_ctx) ir_call(sig, deref_result, &call_params);
 }
@@ -499,6 +532,7 @@ lower_ubo_reference_visitor::write_to_memory(void *mem_ctx,
    unsigned packing = var->get_interface_type()->interface_packing;
 
    this->buffer_access_type = ssbo_store_access;
+   this->variable = var;
 
    /* Compute the offset to the start if the dereference as well as other
     * information we need to configure the write
@@ -678,6 +712,7 @@ lower_ubo_reference_visitor::process_ssbo_unsized_array_length(ir_rvalue **rvalu
    int unsized_array_stride = calculate_unsized_array_stride(deref, packing);
 
    this->buffer_access_type = ssbo_unsized_array_length_access;
+   this->variable = var;
 
    /* Compute the offset to the start if the dereference as well as other
     * information we need to calculate the length.
@@ -910,6 +945,7 @@ lower_ubo_reference_visitor::lower_ssbo_atomic_intrinsic(ir_call *ir)
    unsigned packing = var->get_interface_type()->interface_packing;
 
    this->buffer_access_type = ssbo_atomic_access;
+   this->variable = var;
 
    setup_for_load_or_store(mem_ctx, var, deref,
                            &offset, &const_offset,