[PATCH vkd3d v5 1/5] vkd3d-shader/hlsl: Cast round() input to float.

[Matteo Bruni]

From: Nikolay Sivov

Signed-off-by: Nikolay Sivov 
Signed-off-by: Giovanni Mascellani 
Signed-off-by: Zebediah Figura 
Signed-off-by: Matteo Bruni 
---
v5: Rebased on top of current git.

libs/vkd3d-shader/hlsl.y | 19 ++++++++++++++++++-
 tests/round.shader_test  | 13 +++++++++++++
 tests/shader_runner.c    |  8 ++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index be24a749..8d7b1243 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -1570,6 +1570,18 @@ static const struct hlsl_ir_function_decl *find_function_call(struct hlsl_ctx *c
     return args.decl;
 }

+static struct hlsl_ir_node *intrinsic_float_convert_arg(struct hlsl_ctx *ctx,
+        const struct parse_initializer *params, struct hlsl_ir_node *arg, const struct vkd3d_shader_location *loc)
+{
+    struct hlsl_type *type = arg->data_type;
+
+    if (type->base_type == HLSL_TYPE_FLOAT || type->base_type == HLSL_TYPE_HALF)
+        return arg;
+
+    type = hlsl_get_numeric_type(ctx, type->type, HLSL_TYPE_FLOAT, type->dimx, type->dimy);
+    return add_implicit_conversion(ctx, params->instrs, arg, type, loc);
+}
+
 static bool intrinsic_abs(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
@@ -1675,7 +1687,12 @@ static bool intrinsic_pow(struct hlsl_ctx *ctx,
 static bool intrinsic_round(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
-    return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_ROUND, params->args[0], loc);
+    struct hlsl_ir_node *arg;
+
+    if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc)))
+        return false;
+
+    return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_ROUND, arg, loc);
 }

static bool intrinsic_saturate(struct hlsl_ctx *ctx,
diff --git a/tests/round.shader_test b/tests/round.shader_test
index d8eb11b7..cc5a6975 100644
--- a/tests/round.shader_test
+++ b/tests/round.shader_test
@@ -24,3 +24,16 @@ float4 main(uniform float4 u) : sv_target
 uniform 0 float4 -0.5 6.5 7.5 3.4
 draw quad
 probe all rgba (6.0, 8.0, 0.0, 3.0) 4
+
+
+
+[pixel shader]
+float4 main(uniform int4 u) : sv_target
+{
+    return round(u);
+}
+
+[test]
+uniform 0 int4 -1 0 2 10
+draw quad
+probe all rgba (-1.0, 0.0, 2.0, 10.0) 4
diff --git a/tests/shader_runner.c b/tests/shader_runner.c
index 5af4628e..558d074d 100644
--- a/tests/shader_runner.c
+++ b/tests/shader_runner.c
@@ -368,6 +368,14 @@ static void parse_test_directive(struct shader_context *context, const char *lin
                 fatal_error("Malformed float constant '%s'.\n", line);
             set_uniforms(context, offset, 1, &f);
         }
+        else if (match_string(line, "int4", &line))
+        {
+            int v[4];
+
+            if (sscanf(line, "%d %d %d %d", &v[0], &v[1], &v[2], &v[3]) < 4)
+                fatal_error("Malformed int4 constant '%s'.\n", line);
+            set_uniforms(context, offset, 4, v);
+        }
         else if (match_string(line, "int", &line))
         {
             int i;