[PATCH vkd3d 3/5] vkd3d-shader/hlsl: Fold constant casts from int to uint.

[Giovanni Mascellani]

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>

On 17/12/21 18:48, Zebediah Figura wrote:
> Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
> ---
>   libs/vkd3d-shader/hlsl_codegen.c | 25 +++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
> 
> diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
> index 75716bdf2..e43e6378e 100644
> --- a/libs/vkd3d-shader/hlsl_codegen.c
> +++ b/libs/vkd3d-shader/hlsl_codegen.c
> @@ -724,6 +724,31 @@ static bool fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, voi
>           {
>               switch (expr->op)
>               {
> +                case HLSL_OP1_CAST:
> +                    if (instr->data_type->dimx != arg1->node.data_type->dimx
> +                            || instr->data_type->dimy != arg1->node.data_type->dimy)
> +                    {
> +                        FIXME("Cast from %s to %s.\n", debug_hlsl_type(ctx, arg1->node.data_type),
> +                                debug_hlsl_type(ctx, instr->data_type));
> +                        vkd3d_free(res);
> +                        return false;
> +                    }
> +
> +                    switch (arg1->node.data_type->base_type)
> +                    {
> +                        case HLSL_TYPE_INT:
> +                            for (i = 0; i < dimx; ++i)
> +                                res->value[i].i = arg1->value[i].u;
> +                            break;
> +
> +                        default:
> +                            FIXME("Cast from %s to %s.\n", debug_hlsl_type(ctx, arg1->node.data_type),
> +                                    debug_hlsl_type(ctx, instr->data_type));
> +                            vkd3d_free(res);
> +                            return false;
> +                    }
> +                    break;
> +
>                   case HLSL_OP1_NEG:
>                       for (i = 0; i < instr->data_type->dimx; ++i)
>                           res->value[i].u = -arg1->value[i].u;