This patch depends on the first three patches of this series:

https://patchwork.freedesktop.org/series/35469/

On Mon, Jan 1, 2018 at 8:09 PM, Jason Ekstrand <[email protected]> wrote:

> 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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