Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104424
---
src/compiler/spirv/vtn_variables.c | 31 +++++++++++++++++++++++++------
1 file changed, 25 insertions(+), 6 deletions(-)
diff --git a/src/compiler/spirv/vtn_variables.c
b/src/compiler/spirv/vtn_variables.c
index d69b056..48797f6 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -1899,6 +1899,28 @@ vtn_create_variable(struct vtn_builder *b, struct
vtn_value *val,
}
}
+static void
+vtn_assert_types_equal(struct vtn_builder *b, SpvOp opcode,
+ struct vtn_type *dst_type, struct vtn_type *src_type)
+{
+ if (dst_type->val == src_type->val)
+ return;
+
+ if (dst_type->type == src_type->type) {
+ /* Early versions of GLSLang would re-emit types unnecessarily and you
+ * would end up with OpLoad, OpStore, or OpCopyMemory opcodes which have
+ * mismatched source and destination types.
+ */
+ vtn_warn("Source and destination types of %s do not match",
+ spirv_op_to_string(opcode));
+ } else {
+ vtn_fail("Source and destination types of %s do not match: %s vs. %s",
+ spirv_op_to_string(opcode),
+ glsl_get_type_name(dst_type->type),
+ glsl_get_type_name(src_type->type));
+ }
+}
+
void
vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
@@ -1975,8 +1997,7 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
struct vtn_value *dest = vtn_value(b, w[1], vtn_value_type_pointer);
struct vtn_value *src = vtn_value(b, w[2], vtn_value_type_pointer);
- vtn_fail_if(dest->type->deref != src->type->deref,
- "Dereferenced pointer types to OpCopyMemory do not match");
+ vtn_assert_types_equal(b, opcode, dest->type->deref, src->type->deref);
vtn_variable_copy(b, dest->pointer, src->pointer);
break;
@@ -1988,8 +2009,7 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
struct vtn_value *src_val = vtn_value(b, w[3], vtn_value_type_pointer);
struct vtn_pointer *src = src_val->pointer;
- vtn_fail_if(res_type != src_val->type->deref,
- "Result and pointer types of OpLoad do not match");
+ vtn_assert_types_equal(b, opcode, res_type, src_val->type->deref);
if (src->mode == vtn_variable_mode_image ||
src->mode == vtn_variable_mode_sampler) {
@@ -2006,8 +2026,7 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
struct vtn_pointer *dest = dest_val->pointer;
struct vtn_value *src_val = vtn_untyped_value(b, w[2]);
- vtn_fail_if(dest_val->type->deref != src_val->type,
- "Value and pointer types of OpStore do not match");
+ vtn_assert_types_equal(b, opcode, dest_val->type->deref, src_val->type);
if (glsl_type_is_sampler(dest->type->type)) {
vtn_warn("OpStore of a sampler detected. Doing on-the-fly copy "
--
2.5.0.400.gff86faf
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