[Mesa-dev] [PATCH 07/12] spirv: Refactor a couple of pointer query helpers

Jason Ekstrand jason at jlekstrand.net
Thu Oct 19 18:04:09 UTC 2017


This commit moves them both into vtn_variables.c towards the top, makes
them take a vtn_builder, and replaces a hand-rolled instance of
is_external_block with a function call.
---
 src/compiler/spirv/vtn_private.h   |  7 -------
 src/compiler/spirv/vtn_variables.c | 35 +++++++++++++++++++++--------------
 2 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/src/compiler/spirv/vtn_private.h b/src/compiler/spirv/vtn_private.h
index 6110b6f..63bebe3 100644
--- a/src/compiler/spirv/vtn_private.h
+++ b/src/compiler/spirv/vtn_private.h
@@ -372,13 +372,6 @@ struct vtn_pointer {
    struct nir_ssa_def *offset;
 };
 
-static inline bool
-vtn_pointer_uses_ssa_offset(struct vtn_pointer *ptr)
-{
-   return ptr->mode == vtn_variable_mode_ubo ||
-          ptr->mode == vtn_variable_mode_ssbo;
-}
-
 struct vtn_variable {
    enum vtn_variable_mode mode;
 
diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 6a7cba4..b135b03 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -57,6 +57,23 @@ vtn_access_chain_extend(struct vtn_builder *b, struct vtn_access_chain *old,
    return chain;
 }
 
+static bool
+vtn_pointer_uses_ssa_offset(struct vtn_builder *b,
+                            struct vtn_pointer *ptr)
+{
+   return ptr->mode == vtn_variable_mode_ubo ||
+          ptr->mode == vtn_variable_mode_ssbo;
+}
+
+static bool
+vtn_pointer_is_external_block(struct vtn_builder *b,
+                              struct vtn_pointer *ptr)
+{
+   return ptr->mode == vtn_variable_mode_ssbo ||
+          ptr->mode == vtn_variable_mode_ubo ||
+          ptr->mode == vtn_variable_mode_push_constant;
+}
+
 /* Dereference the given base pointer by the access chain */
 static struct vtn_pointer *
 vtn_access_chain_pointer_dereference(struct vtn_builder *b,
@@ -236,7 +253,7 @@ vtn_pointer_dereference(struct vtn_builder *b,
                         struct vtn_pointer *base,
                         struct vtn_access_chain *deref_chain)
 {
-   if (vtn_pointer_uses_ssa_offset(base)) {
+   if (vtn_pointer_uses_ssa_offset(b, base)) {
       return vtn_ssa_offset_pointer_dereference(b, base, deref_chain);
    } else {
       return vtn_access_chain_pointer_dereference(b, base, deref_chain);
@@ -873,14 +890,6 @@ vtn_block_store(struct vtn_builder *b, struct vtn_ssa_value *src,
                          0, 0, dst->chain, chain_idx, dst->type, &src);
 }
 
-static bool
-vtn_pointer_is_external_block(struct vtn_pointer *ptr)
-{
-   return ptr->mode == vtn_variable_mode_ssbo ||
-          ptr->mode == vtn_variable_mode_ubo ||
-          ptr->mode == vtn_variable_mode_push_constant;
-}
-
 static void
 _vtn_variable_load_store(struct vtn_builder *b, bool load,
                          struct vtn_pointer *ptr,
@@ -940,7 +949,7 @@ _vtn_variable_load_store(struct vtn_builder *b, bool load,
 struct vtn_ssa_value *
 vtn_variable_load(struct vtn_builder *b, struct vtn_pointer *src)
 {
-   if (vtn_pointer_is_external_block(src)) {
+   if (vtn_pointer_is_external_block(b, src)) {
       return vtn_block_load(b, src);
    } else {
       struct vtn_ssa_value *val = NULL;
@@ -953,7 +962,7 @@ void
 vtn_variable_store(struct vtn_builder *b, struct vtn_ssa_value *src,
                    struct vtn_pointer *dest)
 {
-   if (vtn_pointer_is_external_block(dest)) {
+   if (vtn_pointer_is_external_block(b, dest)) {
       assert(dest->mode == vtn_variable_mode_ssbo);
       vtn_block_store(b, src, dest);
    } else {
@@ -1761,9 +1770,7 @@ vtn_create_variable(struct vtn_builder *b, struct vtn_value *val,
          nir_shader_add_variable(b->shader, var->members[i]);
       }
    } else {
-      assert(var->mode == vtn_variable_mode_ubo ||
-             var->mode == vtn_variable_mode_ssbo ||
-             var->mode == vtn_variable_mode_push_constant);
+      assert(vtn_pointer_is_external_block(b, val->pointer));
    }
 }
 
-- 
2.5.0.400.gff86faf



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