Francisco Casas : vkd3d-shader/d3dbc: Implement bool to float cast as MOV.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 58c456ff2bec9c413b23d898f15808316f25c69f
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/58c456ff2bec9c413b23d898f15808...

Author: Francisco Casas <fcasas(a)codeweavers.com>
Date:   Tue Feb 20 22:06:45 2024 -0300

vkd3d-shader/d3dbc: Implement bool to float cast as MOV.

In SM1, bools are always represented as either 0.0f or 1.0f at runtime.

---

 libs/vkd3d-shader/d3dbc.c            | 7 ++-----
 tests/hlsl/cast-to-float.shader_test | 4 ++--
 tests/hlsl/cast-to-half.shader_test  | 4 ++--
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 0f5d34ee..a8cca17f 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -1977,16 +1977,13 @@ static void write_sm1_cast(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *b
             {
                 case HLSL_TYPE_INT:
                 case HLSL_TYPE_UINT:
-                    /* Integers are internally represented as floats, so no change is necessary.*/
+                case HLSL_TYPE_BOOL:
+                    /* Integrals are internally represented as floats, so no change is necessary.*/
                 case HLSL_TYPE_HALF:
                 case HLSL_TYPE_FLOAT:
                     write_sm1_unary_op(ctx, buffer, D3DSIO_MOV, &instr->reg, &arg1->reg, 0, 0);
                     break;
 
-                case HLSL_TYPE_BOOL:
-                    hlsl_fixme(ctx, &instr->loc, "SM1 cast from bool to float.");
-                    break;
-
                 case HLSL_TYPE_DOUBLE:
                     hlsl_fixme(ctx, &instr->loc, "SM1 cast from double to float.");
                     break;
diff --git a/tests/hlsl/cast-to-float.shader_test b/tests/hlsl/cast-to-float.shader_test
index bcb546e2..d80d4290 100644
--- a/tests/hlsl/cast-to-float.shader_test
+++ b/tests/hlsl/cast-to-float.shader_test
@@ -1,4 +1,4 @@
-[pixel shader todo(sm<4)]
+[pixel shader]
 uniform int i;
 uniform uint u;
 uniform bool b;
@@ -18,7 +18,7 @@ if(sm>=4) uniform 0 int -1
 if(sm>=4) uniform 1 uint 3
 if(sm>=4) uniform 2 int -2
 if(sm>=4) uniform 3 float 0.5
-todo(sm<4) draw quad
+draw quad
 probe all rgba (0.5, 0.5, 0.5, 0.5)
 
 
diff --git a/tests/hlsl/cast-to-half.shader_test b/tests/hlsl/cast-to-half.shader_test
index 0580fe25..8094a10a 100644
--- a/tests/hlsl/cast-to-half.shader_test
+++ b/tests/hlsl/cast-to-half.shader_test
@@ -1,4 +1,4 @@
-[pixel shader todo(sm<4)]
+[pixel shader]
 uniform int i;
 uniform uint u;
 uniform bool b;
@@ -18,7 +18,7 @@ if(sm>=4) uniform 0 int -1
 if(sm>=4) uniform 1 uint 3
 if(sm>=4) uniform 2 int -2
 if(sm>=4) uniform 3 float 0.5
-todo(sm<4) draw quad
+draw quad
 probe all rgba (0.5, 0.5, 0.5, 0.5)