From 955932fb55d7cd3be314ebbaa1c922d3d88095f4 Mon Sep 17 00:00:00 2001 From: Nikolay Sivov Date: Tue, 17 Oct 2023 23:57:46 +0200 Subject: [PATCH] vkd3d-shader: Add constant folding for 'ceil'. Signed-off-by: Nikolay Sivov --- libs/vkd3d-shader/hlsl_constant_ops.c | 30 +++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/libs/vkd3d-shader/hlsl_constant_ops.c b/libs/vkd3d-shader/hlsl_constant_ops.c index 64629dc2..c869dc02 100644 --- a/libs/vkd3d-shader/hlsl_constant_ops.c +++ b/libs/vkd3d-shader/hlsl_constant_ops.c @@ -228,6 +228,32 @@ static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst, return true; } +static bool fold_ceil(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_FLOAT: + case HLSL_TYPE_HALF: + dst->u[k].f = ceilf(src->value.u[k].f); + break; + + default: + FIXME("Fold 'ceil' for type %s.\n", debug_hlsl_type(ctx, dst_type)); + return false; + } + } + + return true; +} + static bool fold_exp2(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst, const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src) { @@ -1229,6 +1255,10 @@ bool hlsl_fold_constant_exprs(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, success = fold_cast(ctx, &res, instr->data_type, arg1); break; + case HLSL_OP1_CEIL: + success = fold_ceil(ctx, &res, instr->data_type, arg1); + break; + case HLSL_OP1_EXP2: success = fold_exp2(ctx, &res, instr->data_type, arg1); break;