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vkd3d-shader/hlsl: Parse length() intrinsic.

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Giovanni Mascellani 2021-10-01 10:54:03 +02:00 committed by Alexandre Julliard
parent a43242a3e6
commit 8e5aefb309
Notes: Alexandre Julliard 2022-10-18 00:13:00 +02:00 
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/28
1 changed files with 26 additions and 0 deletions
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26
libs/vkd3d-shader/hlsl.y
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@ -2188,6 +2188,31 @@ static bool intrinsic_ldexp(struct hlsl_ctx *ctx,
return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, params->args[0], arg, loc);
}
static bool intrinsic_length(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 *arg, *dot;
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;
return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SQRT, dot, loc);
}
static bool intrinsic_lerp(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
@ -2407,6 +2432,7 @@ intrinsic_functions[] =
{"dot", 2, true, intrinsic_dot},
{"floor", 1, true, intrinsic_floor},
{"ldexp", 2, true, intrinsic_ldexp},
{"length", 1, true, intrinsic_length},
{"lerp", 3, true, intrinsic_lerp},
{"max", 2, true, intrinsic_max},
{"min", 2, true, intrinsic_min},