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vkd3d-shader/hlsl: Parse the clamp() intrinsic.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura
2021-09-01 17:20:55 -05:00
committed by Alexandre Julliard
parent 99674ab60f
commit d035f3c2ff
3 changed files with 27 additions and 0 deletions
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15
libs/vkd3d-shader/hlsl.y
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@@ -1555,6 +1555,20 @@ static const struct hlsl_ir_function_decl *find_function_call(struct hlsl_ctx *c
return args.decl;
}
static bool intrinsic_clamp(struct hlsl_ctx *ctx,
const struct parse_initializer *params, struct vkd3d_shader_location loc)
{
struct hlsl_ir_node *args[3] = {params->args[0], params->args[1]};
struct hlsl_ir_expr *max;
if (!(max = add_expr(ctx, params->instrs, HLSL_OP2_MAX, args, &loc)))
return false;
args[0] = &max->node;
args[1] = params->args[2];
return !!add_expr(ctx, params->instrs, HLSL_OP2_MIN, args, &loc);
}
static bool intrinsic_max(struct hlsl_ctx *ctx,
const struct parse_initializer *params, struct vkd3d_shader_location loc)
{
@@ -1572,6 +1586,7 @@ static const struct intrinsic_function
}
intrinsic_functions[] =
{
{"clamp", 3, true, intrinsic_clamp},
{"max", 2, true, intrinsic_max},
};