vkd3d-shader: Introduce vkd3d_shader_get_supported_source_types().

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

include/vkd3d_shader.h

@@ -750,6 +750,7 @@ struct vkd3d_shader_signature
 #ifndef VKD3D_SHADER_NO_PROTOTYPES
 
 const char *vkd3d_shader_get_version(unsigned int *major, unsigned int *minor);
+const enum vkd3d_shader_source_type *vkd3d_shader_get_supported_source_types(unsigned int *count);
 
 int vkd3d_shader_compile(const struct vkd3d_shader_compile_info *compile_info,
         struct vkd3d_shader_code *out, char **messages);
@@ -782,6 +783,7 @@ void vkd3d_shader_free_shader_signature(struct vkd3d_shader_signature *signature
  * Function pointer typedefs for vkd3d-shader functions.
  */
 typedef const char *(*PFN_vkd3d_shader_get_version)(unsigned int *major, unsigned int *minor);
+typedef const enum vkd3d_shader_source_type *(*PFN_vkd3d_shader_get_supported_source_types)(unsigned int *count);
 
 typedef int (*PFN_vkd3d_shader_compile)(const struct vkd3d_shader_compile_info *compile_info,
         struct vkd3d_shader_code *out, char **messages);

libs/vkd3d-shader/vkd3d_shader.map

@@ -9,6 +9,7 @@ global:
     vkd3d_shader_free_scan_descriptor_info;
     vkd3d_shader_free_shader_code;
     vkd3d_shader_free_shader_signature;
+    vkd3d_shader_get_supported_source_types;
     vkd3d_shader_get_version;
     vkd3d_shader_parse_input_signature;
     vkd3d_shader_parse_root_signature;

libs/vkd3d-shader/vkd3d_shader_main.c

@@ -255,17 +255,23 @@ static void vkd3d_shader_parser_destroy(struct vkd3d_shader_parser *parser)
 
 static int vkd3d_shader_validate_compile_info(const struct vkd3d_shader_compile_info *compile_info)
 {
+    const enum vkd3d_shader_source_type *source_types;
+    unsigned int count, i;
+
     if (compile_info->type != VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_INFO)
     {
         WARN("Invalid structure type %#x.\n", compile_info->type);
         return VKD3D_ERROR_INVALID_ARGUMENT;
     }
 
-    switch (compile_info->source_type)
+    source_types = vkd3d_shader_get_supported_source_types(&count);
+    for (i = 0; i < count; ++i)
     {
-        case VKD3D_SHADER_SOURCE_DXBC_TPF:
+        if (source_types[i] == compile_info->source_type)
             break;
-        default:
+    }
+    if (i == count)
+    {
         WARN("Invalid shader source type %#x.\n", compile_info->source_type);
         return VKD3D_ERROR_INVALID_ARGUMENT;
     }
@@ -1037,3 +1043,16 @@ const char *vkd3d_shader_get_version(unsigned int *major, unsigned int *minor)
 
     return "vkd3d-shader " PACKAGE_VERSION VKD3D_VCS_ID;
 }
+
+const enum vkd3d_shader_source_type *vkd3d_shader_get_supported_source_types(unsigned int *count)
+{
+    static const enum vkd3d_shader_source_type types[] =
+    {
+        VKD3D_SHADER_SOURCE_DXBC_TPF,
+    };
+
+    TRACE("count %p.\n", count);
+
+    *count = ARRAY_SIZE(types);
+    return types;
+}

tests/vkd3d_shader_api.c

@@ -75,6 +75,7 @@ static void test_invalid_shaders(void)
 
 static void test_vkd3d_shader_pfns(void)
 {
+    PFN_vkd3d_shader_get_supported_source_types pfn_vkd3d_shader_get_supported_source_types;
     PFN_vkd3d_shader_free_scan_descriptor_info pfn_vkd3d_shader_free_scan_descriptor_info;
     PFN_vkd3d_shader_serialize_root_signature pfn_vkd3d_shader_serialize_root_signature;
     PFN_vkd3d_shader_find_signature_element pfn_vkd3d_shader_find_signature_element;
@@ -90,11 +91,14 @@ static void test_vkd3d_shader_pfns(void)
     struct vkd3d_shader_versioned_root_signature_desc root_signature_desc;
     unsigned int major, minor, expected_major, expected_minor;
     struct vkd3d_shader_scan_descriptor_info descriptor_info;
+    const enum vkd3d_shader_source_type *source_types;
     struct vkd3d_shader_signature_element *element;
     struct vkd3d_shader_compile_info compile_info;
     struct vkd3d_shader_signature signature;
     struct vkd3d_shader_code dxbc, spirv;
     const char *version, *p;
+    unsigned int i, count;
+    bool b;
     int rc;
 
     static const struct vkd3d_shader_versioned_root_signature_desc empty_rs_desc =
@@ -119,6 +123,7 @@ static void test_vkd3d_shader_pfns(void)
     };
     static const struct vkd3d_shader_code vs = {vs_code, sizeof(vs_code)};
 
+    pfn_vkd3d_shader_get_supported_source_types = vkd3d_shader_get_supported_source_types;
     pfn_vkd3d_shader_free_scan_descriptor_info = vkd3d_shader_free_scan_descriptor_info;
     pfn_vkd3d_shader_serialize_root_signature = vkd3d_shader_serialize_root_signature;
     pfn_vkd3d_shader_find_signature_element = vkd3d_shader_find_signature_element;
@@ -138,6 +143,21 @@ static void test_vkd3d_shader_pfns(void)
     ok(major == expected_major, "Got unexpected major version %u.\n", major);
     ok(minor == expected_minor, "Got unexpected minor version %u.\n", minor);
 
+    source_types = pfn_vkd3d_shader_get_supported_source_types(&count);
+    ok(source_types, "Got unexpected source types array %p.\n", source_types);
+    ok(count, "Got unexpected source type count %u.\n", count);
+
+    b = false;
+    for (i = 0; i < count; ++i)
+    {
+        if (source_types[i] == VKD3D_SHADER_SOURCE_DXBC_TPF)
+        {
+            b = true;
+            break;
+        }
+    }
+    ok(b, "The dxbc-tpf source type is not supported.\n");
+
     rc = pfn_vkd3d_shader_serialize_root_signature(&empty_rs_desc, &dxbc, NULL);
     ok(rc == VKD3D_OK, "Got unexpected error code %d.\n", rc);
     rc = pfn_vkd3d_shader_parse_root_signature(&dxbc, &root_signature_desc, NULL);