On Mon, Nov 30, 2015 at 6:32 PM, Matt Turner <matts...@gmail.com> wrote:
> ---
> src/glsl/builtin_functions.cpp | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
> index 88f9a71..2f21ffc 100644
> --- a/src/glsl/builtin_functions.cpp
> +++ b/src/glsl/builtin_functions.cpp
> @@ -538,6 +538,7 @@ private:
> ir_variable *in_var(const glsl_type *type, const char *name);
> ir_variable *out_var(const glsl_type *type, const char *name);
> ir_constant *imm(float f, unsigned vector_elements=1);
> + ir_constant *imm(bool b, unsigned vector_elements=1);
> ir_constant *imm(int i, unsigned vector_elements=1);
> ir_constant *imm(unsigned u, unsigned vector_elements=1);
> ir_constant *imm(double d, unsigned vector_elements=1);
> @@ -3000,6 +3001,12 @@ builtin_builder::out_var(const glsl_type *type, const
> char *name)
> }
>
> ir_constant *
> +builtin_builder::imm(bool b, unsigned vector_elements)
> +{
> + return new(mem_ctx) ir_constant(b, vector_elements);
> +}
> +
> +ir_constant *
> builtin_builder::imm(float f, unsigned vector_elements)
> {
> return new(mem_ctx) ir_constant(f, vector_elements);
> @@ -4358,7 +4365,13 @@ builtin_builder::_notEqual(builtin_available_predicate
> avail,
> ir_function_signature *
> builtin_builder::_any(const glsl_type *type)
> {
> - return unop(always_available, ir_unop_any, glsl_type::bool_type, type);
> + ir_variable *v = in_var(type, "v");
> + MAKE_SIG(glsl_type::bool_type, always_available, 1, v);
> +
> + const unsigned vec_elem = v->type->vector_elements;
> + body.emit(ret(expr(ir_binop_any_nequal, v, imm(false, vec_elem))));
This results in an extra comparison generated by the st_glsl_to_tgsi
code, which can be annoying to get rid of... Why do you need to do
this?
-ilia
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