Giovanni Mascellani : vkd3d-shader/hlsl: Write SM4 less-than instructions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 2f3b1e8f7da95897caf3c2a84cc1b8709b6a44eb
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=2f3b1e8f7da95897caf3c2a84cc1b8709b6a44eb

Author: Giovanni Mascellani <gmascellani at codeweavers.com>
Date:   Wed Jan 19 12:52:04 2022 +0100

vkd3d-shader/hlsl: Write SM4 less-than instructions.

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 libs/vkd3d-shader/hlsl_sm4.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 53dca71..cbdd5fa 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1541,6 +1541,33 @@ static void write_sm4_expr(struct hlsl_ctx *ctx,
                     break;
                 }
 
+                case HLSL_OP2_LESS:
+                {
+                    const struct hlsl_type *src_type = arg1->data_type;
+
+                    switch (src_type->base_type)
+                    {
+                        case HLSL_TYPE_FLOAT:
+                            write_sm4_binary_op(buffer, VKD3D_SM4_OP_LT, &expr->node, arg1, arg2);
+                            break;
+
+                        case HLSL_TYPE_INT:
+                            write_sm4_binary_op(buffer, VKD3D_SM4_OP_ILT, &expr->node, arg1, arg2);
+                            break;
+
+                        case HLSL_TYPE_BOOL:
+                        case HLSL_TYPE_UINT:
+                            write_sm4_binary_op(buffer, VKD3D_SM4_OP_ULT, &expr->node, arg1, arg2);
+                            break;
+
+                        default:
+                            hlsl_fixme(ctx, &expr->node.loc, "SM4 less-than between \"%s\" operands.",
+                                    debug_hlsl_type(ctx, src_type));
+                            break;
+                    }
+                    break;
+                }
+
                 default:
                     hlsl_fixme(ctx, &expr->node.loc, "SM4 bool \"%s\" expression.", debug_hlsl_expr_op(expr->op));
                     break;