[PATCH 3/6] vkd3d-shader/fx: Reject fx_2_0 output without techniques.

[Nikolay Sivov]

From: Nikolay Sivov

Signed-off-by: Nikolay Sivov 
---
 libs/vkd3d-shader/fx.c                   | 30 +++++++++++++-----------
 libs/vkd3d-shader/vkd3d_shader_private.h |  1 +
 tests/hlsl/technique-fx_2.shader_test    |  2 +-
 3 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/libs/vkd3d-shader/fx.c b/libs/vkd3d-shader/fx.c
index bc70d5220..5ba24e6dc 100644
--- a/libs/vkd3d-shader/fx.c
+++ b/libs/vkd3d-shader/fx.c
@@ -179,7 +179,6 @@ static void fx_write_context_init(struct hlsl_ctx *ctx, const struct fx_write_co
 static int fx_write_context_cleanup(struct fx_write_context *fx)
 {
     struct type_entry *type, *next_type;
-    int status = fx->status;

rb_destroy(&fx->strings, string_storage_destroy, NULL);

@@ -189,7 +188,7 @@ static int fx_write_context_cleanup(struct fx_write_context *fx)
         vkd3d_free(type);
     }

-    return status;
+    return fx->ctx->result;
 }

static bool technique_matches_version(const struct hlsl_ir_var *var, const struct fx_write_context *fx)
@@ -643,15 +642,18 @@ static int hlsl_fx_2_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)
     vkd3d_free(fx.unstructured.data);
     vkd3d_free(fx.structured.data);

-    if (!fx.status)
+    if (!fx.technique_count)
+        hlsl_error(ctx, &ctx->location, VKD3D_SHADER_ERROR_HLSL_MISSING_TECHNIQUE, "No techniques found.");
+
+    if (fx.status < 0)
+        ctx->result = fx.status;
+
+    if (!ctx->result)
     {
         out->code = buffer.data;
         out->size = buffer.size;
     }

-    if (fx.status < 0)
-        ctx->result = fx.status;
-
     return fx_write_context_cleanup(&fx);
 }

@@ -870,15 +872,15 @@ static int hlsl_fx_4_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)

set_status(&fx, buffer.status);

-    if (!fx.status)
+    if (fx.status < 0)
+        ctx->result = fx.status;
+
+    if (!ctx->result)
     {
         out->code = buffer.data;
         out->size = buffer.size;
     }

-    if (fx.status < 0)
-        ctx->result = fx.status;
-
     return fx_write_context_cleanup(&fx);
 }

@@ -933,15 +935,15 @@ static int hlsl_fx_5_write(struct hlsl_ctx *ctx, struct vkd3d_shader_code *out)

set_status(&fx, buffer.status);

-    if (!fx.status)
+    if (fx.status < 0)
+        ctx->result = fx.status;
+
+    if (!ctx->result)
     {
         out->code = buffer.data;
         out->size = buffer.size;
     }

-    if (fx.status < 0)
-        ctx->result = fx.status;
-
     return fx_write_context_cleanup(&fx);
 }

diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 4b322b95b..8dca450f6 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -148,6 +148,7 @@ enum vkd3d_shader_error
     VKD3D_SHADER_ERROR_HLSL_INCONSISTENT_SAMPLER        = 5026,
     VKD3D_SHADER_ERROR_HLSL_NON_FINITE_RESULT           = 5027,
     VKD3D_SHADER_ERROR_HLSL_DUPLICATE_SWITCH_CASE       = 5028,
+    VKD3D_SHADER_ERROR_HLSL_MISSING_TECHNIQUE           = 5029,

VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION       = 5300,
     VKD3D_SHADER_WARNING_HLSL_DIVISION_BY_ZERO          = 5301,
diff --git a/tests/hlsl/technique-fx_2.shader_test b/tests/hlsl/technique-fx_2.shader_test
index 3b71d0a3b..35963cd04 100644
--- a/tests/hlsl/technique-fx_2.shader_test
+++ b/tests/hlsl/technique-fx_2.shader_test
@@ -86,7 +86,7 @@ technique10
 }

% Effects without techniques are not allowed for fx_2_0
-[effect fail todo]
+[effect fail]
 float4 f;

% fx_5_0 keyword fails with fx_2_0 profile