[PATCH v4 2/5] vkd3d-shader/hlsl: Parse normalize intrinsic.

From: Giovanni Mascellani <gmascellani(a)codeweavers.com> Signed-off-by: Giovanni Mascellani <gmascellani(a)codeweavers.com> --- libs/vkd3d-shader/hlsl.y | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y index fc3b31a4..1bdc1433 100644 --- a/libs/vkd3d-shader/hlsl.y +++ b/libs/vkd3d-shader/hlsl.y @@ -2278,6 +2278,34 @@ static bool intrinsic_mul(struct hlsl_ctx *ctx, return !!add_implicit_conversion(ctx, params->instrs, &load->node, ret_type, loc); } +static bool intrinsic_normalize(struct hlsl_ctx *ctx, + const struct parse_initializer *params, const struct vkd3d_shader_location *loc) +{ + struct hlsl_type *type = params->args[0]->data_type; + struct hlsl_ir_node *dot, *rsq, *arg; + + if (type->type == HLSL_CLASS_MATRIX) + { + struct vkd3d_string_buffer *string; + + if ((string = hlsl_type_to_string(ctx, type))) + hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, + "Invalid type %s.", string->buffer); + hlsl_release_string_buffer(ctx, string); + } + + if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) + return false; + + if (!(dot = add_binary_dot_expr(ctx, params->instrs, arg, arg, loc))) + return false; + + if (!(rsq = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_RSQ, dot, loc))) + return false; + + return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, rsq, arg, loc); +} + static bool intrinsic_pow(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { @@ -2342,6 +2370,7 @@ intrinsic_functions[] = {"max", 2, true, intrinsic_max}, {"min", 2, true, intrinsic_min}, {"mul", 2, true, intrinsic_mul}, + {"normalize", 1, true, intrinsic_normalize}, {"pow", 2, true, intrinsic_pow}, {"round", 1, true, intrinsic_round}, {"saturate", 1, true, intrinsic_saturate}, -- GitLab https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/23