[PATCH vkd3d v2 3/5] vkd3d-shader/hlsl: Write SM4 less-than instructions.

[Giovanni Mascellani]

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
---
v2: Add hlsl_fixme().
---
 libs/vkd3d-shader/hlsl_sm4.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index d5ea5563..70cf4e13 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1539,6 +1539,32 @@ 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_BOOL:
+                        case HLSL_TYPE_INT:
+                            write_sm4_binary_op(buffer, VKD3D_SM4_OP_ILT, &expr->node, arg1, arg2);
+                            break;
+
+                        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\".\n", debug_hlsl_type(ctx, src_type));
+                            break;
+                    }
+                    break;
+                }
+
                 default:
                     hlsl_fixme(ctx, &expr->node.loc, "SM4 bool \"%s\" expression.\n", debug_hlsl_expr_op(expr->op));
                     break;
-- 
2.34.1