On Thu, Feb 19, 2015 at 9:43 PM, Dave Airlie <[email protected]> wrote:
> From: Dave Airlie <[email protected]>
>
> I'm not sure we really care about this, but we need to
> write better support if we do. For now just disable it.
>
> piglit test:
> tests/spec/arb_gpu_shader_fp64/execution/vs-out-fs-in-double-2.shader_test
>
> Signed-off-by: Dave Airlie <[email protected]>
> ---
> src/glsl/lower_packed_varyings.cpp | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/src/glsl/lower_packed_varyings.cpp
> b/src/glsl/lower_packed_varyings.cpp
> index 5e844c7..3c9cbec 100644
> --- a/src/glsl/lower_packed_varyings.cpp
> +++ b/src/glsl/lower_packed_varyings.cpp
> @@ -592,6 +592,9 @@ lower_packed_varyings_visitor::needs_lowering(ir_variable
> *var)
> return false;
>
> const glsl_type *type = var->type;
> + /* don't attempt to pack double varyings yet */
> + if (type->base_type == GLSL_TYPE_DOUBLE)
> + return false;
Not sure, but I _think_ type can be an array here... (or even worse, a
struct... hopefully not). Should be simple to whip up some piglits. If
I'm right on the array, you can do type->without_array(). If it can
also be a struct, then maybe ->contains_double()?
> if (this->gs_input_vertices != 0) {
> assert(type->is_array());
> type = type->element_type();
> --
> 1.9.3
>
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