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vkd3d-shader/hlsl: Add ceil() function.

Merged Nikolay Sivov requested to merge nsivov/vkd3d:ceil into master
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@@ -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)
{
@@ -254,6 +280,32 @@ static bool fold_exp2(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst,
return true;
}
static bool fold_floor(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 = floorf(src->value.u[k].f);
break;
default:
FIXME("Fold 'floor' for type %s.\n", debug_hlsl_type(ctx, dst_type));
return false;
}
}
return true;
}
static bool fold_fract(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst,
const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src)
{
@@ -1229,10 +1281,18 @@ 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;
case HLSL_OP1_FLOOR:
success = fold_floor(ctx, &res, instr->data_type, arg1);
break;
case HLSL_OP1_FRACT:
success = fold_fract(ctx, &res, instr->data_type, arg1);
break;
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