From 8c9d65d6b326d7d8d42e212560a738490ce386ee Mon Sep 17 00:00:00 2001 From: Nikolay Sivov Date: Sat, 23 Sep 2023 18:18:07 +0200 Subject: [PATCH] vkd3d-shader/hlsl: Add constant folding for logical 'not', for bools. Signed-off-by: Nikolay Sivov --- libs/vkd3d-shader/hlsl_constant_ops.c | 28 +++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/libs/vkd3d-shader/hlsl_constant_ops.c b/libs/vkd3d-shader/hlsl_constant_ops.c index cff0ba31..3b4c86dc 100644 --- a/libs/vkd3d-shader/hlsl_constant_ops.c +++ b/libs/vkd3d-shader/hlsl_constant_ops.c @@ -334,6 +334,30 @@ static bool fold_neg(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst, return true; } +static bool fold_not(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst, + const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src) +{ + enum hlsl_base_type type = dst_type->base_type; + unsigned int k; + + assert(type == src->node.data_type->base_type); + + for (k = 0; k < dst_type->dimx; ++k) + { + switch (type) + { + case HLSL_TYPE_BOOL: + dst->u[k].u = ~src->value.u[k].u; + break; + + default: + FIXME("Fold logic 'not' for type %s.\n", debug_hlsl_type(ctx, dst_type)); + return false; + } + } + return true; +} + static bool fold_rcp(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst, const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src, const struct vkd3d_shader_location *loc) { @@ -1091,6 +1115,10 @@ bool hlsl_fold_constant_exprs(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, success = fold_neg(ctx, &res, instr->data_type, arg1); break; + case HLSL_OP1_LOGIC_NOT: + success = fold_not(ctx, &res, instr->data_type, arg1); + break; + case HLSL_OP1_RCP: success = fold_rcp(ctx, &res, instr->data_type, arg1, &instr->loc); break;