Conor McCarthy : vkd3d-shader/dxil: Handle floating point special value comparisons in sm6_parser_emit_dx_unary().

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 41cce4cbf1c94365975ce742ddf3b61f7c22d11f
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/41cce4cbf1c94365975ce742ddf3b6...

Author: Conor McCarthy 
Date:   Mon Jan 22 15:18:27 2024 +1000

vkd3d-shader/dxil: Handle floating point special value comparisons in sm6_parser_emit_dx_unary().

---

libs/vkd3d-shader/d3d_asm.c              |  3 +++
 libs/vkd3d-shader/dxil.c                 | 15 +++++++++++++++
 libs/vkd3d-shader/vkd3d_shader_private.h |  3 +++
 3 files changed, 21 insertions(+)

diff --git a/libs/vkd3d-shader/d3d_asm.c b/libs/vkd3d-shader/d3d_asm.c
index d9751945..6ec7a9c9 100644
--- a/libs/vkd3d-shader/d3d_asm.c
+++ b/libs/vkd3d-shader/d3d_asm.c
@@ -198,8 +198,11 @@ static const char * const shader_opcode_names[] =
     [VKD3DSIH_IMUL                            ] = "imul",
     [VKD3DSIH_INE                             ] = "ine",
     [VKD3DSIH_INEG                            ] = "ineg",
+    [VKD3DSIH_ISFINITE                        ] = "isfinite",
     [VKD3DSIH_ISHL                            ] = "ishl",
     [VKD3DSIH_ISHR                            ] = "ishr",
+    [VKD3DSIH_ISINF                           ] = "isinf",
+    [VKD3DSIH_ISNAN                           ] = "isnan",
     [VKD3DSIH_ITOD                            ] = "itod",
     [VKD3DSIH_ITOF                            ] = "itof",
     [VKD3DSIH_ITOI                            ] = "itoi",
diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c
index 2a0ff61c..c089d132 100644
--- a/libs/vkd3d-shader/dxil.c
+++ b/libs/vkd3d-shader/dxil.c
@@ -328,6 +328,9 @@ enum dx_intrinsic_opcode
 {
     DX_LOAD_INPUT                   =   4,
     DX_STORE_OUTPUT                 =   5,
+    DX_ISNAN                        =   8,
+    DX_ISINF                        =   9,
+    DX_ISFINITE                     =  10,
     DX_EXP                          =  21,
     DX_FRC                          =  22,
     DX_LOG                          =  23,
@@ -3494,6 +3497,12 @@ static enum vkd3d_shader_opcode map_dx_unary_op(enum dx_intrinsic_opcode op)
 {
     switch (op)
     {
+        case DX_ISNAN:
+            return VKD3DSIH_ISNAN;
+        case DX_ISINF:
+            return VKD3DSIH_ISINF;
+        case DX_ISFINITE:
+            return VKD3DSIH_ISFINITE;
         case DX_EXP:
             return VKD3DSIH_EXP;
         case DX_FRC:
@@ -3806,6 +3815,7 @@ struct sm6_dx_opcode_info
 };

/*
+    1 -> int1
     8 -> int8
     b -> constant int1
     c -> constant int8/16/32
@@ -3839,6 +3849,9 @@ static const struct sm6_dx_opcode_info sm6_dx_op_table[] =
     [DX_FRC                           ] = {"g", "R",    sm6_parser_emit_dx_unary},
     [DX_IMAX                          ] = {"m", "RR",   sm6_parser_emit_dx_binary},
     [DX_IMIN                          ] = {"m", "RR",   sm6_parser_emit_dx_binary},
+    [DX_ISFINITE                      ] = {"1", "g",    sm6_parser_emit_dx_unary},
+    [DX_ISINF                         ] = {"1", "g",    sm6_parser_emit_dx_unary},
+    [DX_ISNAN                         ] = {"1", "g",    sm6_parser_emit_dx_unary},
     [DX_LEGACY_F16TOF32               ] = {"f", "i",    sm6_parser_emit_dx_unary},
     [DX_LEGACY_F32TOF16               ] = {"i", "f",    sm6_parser_emit_dx_unary},
     [DX_LOAD_INPUT                    ] = {"o", "ii8i", sm6_parser_emit_dx_load_input},
@@ -3867,6 +3880,8 @@ static bool sm6_parser_validate_operand_type(struct sm6_parser *sm6, const struc
         case 0:
             FIXME("Invalid operand count.\n");
             return false;
+        case '1':
+            return sm6_type_is_bool(type);
         case '8':
             return sm6_type_is_i8(type);
         case 'b':
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 03d95472..51daf215 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -392,8 +392,11 @@ enum vkd3d_shader_opcode
     VKD3DSIH_IMUL,
     VKD3DSIH_INE,
     VKD3DSIH_INEG,
+    VKD3DSIH_ISFINITE,
     VKD3DSIH_ISHL,
     VKD3DSIH_ISHR,
+    VKD3DSIH_ISINF,
+    VKD3DSIH_ISNAN,
     VKD3DSIH_ITOD,
     VKD3DSIH_ITOF,
     VKD3DSIH_ITOI,