[PATCH vkd3d 1/2] vkd3d-shader: Introduce shader_read_error() for reporting via vkd3d_shader_verror().

[Conor McCarthy]

Signed-off-by: Conor McCarthy <cmccarthy at codeweavers.com>
---
 libs/vkd3d-shader/dxbc.c                 | 20 +++++++++++++++++++-
 libs/vkd3d-shader/vkd3d_shader_main.c    |  2 +-
 libs/vkd3d-shader/vkd3d_shader_private.h |  6 +++++-
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c
index ce4cecff..e3a8351e 100644
--- a/libs/vkd3d-shader/dxbc.c
+++ b/libs/vkd3d-shader/dxbc.c
@@ -489,6 +489,8 @@ struct vkd3d_sm4_data
     struct list src_free;
     struct list src;
     struct vkd3d_shader_immediate_constant_buffer icb;
+
+    struct vkd3d_shader_message_context *message_context;
 };
 
 struct vkd3d_sm4_opcode_info
@@ -561,6 +563,16 @@ static bool shader_is_sm_5_1(const struct vkd3d_sm4_data *priv)
     return version->major >= 5 && version->minor >= 1;
 }
 
+static void VKD3D_PRINTF_FUNC(3, 4) shader_read_error(struct vkd3d_sm4_data *priv,
+        enum vkd3d_shader_error error, const char *format, ...)
+{
+    va_list args;
+
+    va_start(args, format);
+    vkd3d_shader_verror(priv->message_context, NULL, error, format, args);
+    va_end(args);
+}
+
 static bool shader_sm4_read_src_param(struct vkd3d_sm4_data *priv, const DWORD **ptr, const DWORD *end,
         enum vkd3d_data_type data_type, struct vkd3d_shader_src_param *src_param);
 static bool shader_sm4_read_dst_param(struct vkd3d_sm4_data *priv, const DWORD **ptr, const DWORD *end,
@@ -629,7 +641,11 @@ static void shader_sm4_read_descriptor_register_range(struct vkd3d_sm4_data *pri
     range->first = reg->idx[shader_is_sm_5_1(priv) ? 1 : 0].offset;
     range->last = reg->idx[shader_is_sm_5_1(priv) ? 2 : 0].offset;
     if (range->last < range->first)
+    {
         FIXME("Invalid register range [%u:%u].\n", range->first, range->last);
+        shader_read_error(priv, VKD3D_SHADER_ERROR_SPV_INVALID_REGISTER_RANGE,
+                "Last register %u must not be less than first register %u in range.\n", range->last, range->first);
+    }
 }
 
 static void shader_sm4_read_dcl_resource(struct vkd3d_shader_instruction *ins,
@@ -1343,7 +1359,7 @@ static enum vkd3d_data_type map_data_type(char t)
 }
 
 void *shader_sm4_init(const DWORD *byte_code, size_t byte_code_size,
-        const struct vkd3d_shader_signature *output_signature)
+        const struct vkd3d_shader_signature *output_signature, struct vkd3d_shader_message_context *message_context)
 {
     DWORD version_token, token_count;
     struct vkd3d_sm4_data *priv;
@@ -1424,6 +1440,8 @@ void *shader_sm4_init(const DWORD *byte_code, size_t byte_code_size,
     list_init(&priv->src_free);
     list_init(&priv->src);
 
+    priv->message_context = message_context;
+
     return priv;
 }
 
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 40d55b70..54654f3f 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -344,7 +344,7 @@ static int vkd3d_shader_parser_init(struct vkd3d_shader_parser *parser,
     }
 
     if (!(parser->data = shader_sm4_init(shader_desc->byte_code,
-            shader_desc->byte_code_size, &shader_desc->output_signature)))
+            shader_desc->byte_code_size, &shader_desc->output_signature, message_context)))
     {
         WARN("Failed to initialize shader parser.\n");
         free_shader_desc(shader_desc);
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index c61b3773..5e107a6b 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -73,6 +73,7 @@ enum vkd3d_shader_error
     VKD3D_SHADER_ERROR_SPV_DESCRIPTOR_BINDING_NOT_FOUND = 2000,
     VKD3D_SHADER_ERROR_SPV_INVALID_REGISTER_TYPE        = 2001,
     VKD3D_SHADER_ERROR_SPV_INVALID_DESCRIPTOR_BINDING   = 2002,
+    VKD3D_SHADER_ERROR_SPV_INVALID_REGISTER_RANGE       = 2003,
 
     VKD3D_SHADER_ERROR_RS_OUT_OF_MEMORY                 = 3000,
     VKD3D_SHADER_ERROR_RS_INVALID_VERSION               = 3001,
@@ -861,8 +862,11 @@ void vkd3d_shader_trace(void *data) DECLSPEC_HIDDEN;
 
 const char *shader_get_type_prefix(enum vkd3d_shader_type type) DECLSPEC_HIDDEN;
 
+struct vkd3d_shader_message_context;
+
 void *shader_sm4_init(const DWORD *byte_code, size_t byte_code_size,
-        const struct vkd3d_shader_signature *output_signature) DECLSPEC_HIDDEN;
+        const struct vkd3d_shader_signature *output_signature,
+        struct vkd3d_shader_message_context *message_context) DECLSPEC_HIDDEN;
 void shader_sm4_free(void *data) DECLSPEC_HIDDEN;
 void shader_sm4_read_header(void *data, const DWORD **ptr,
         struct vkd3d_shader_version *shader_version) DECLSPEC_HIDDEN;
-- 
2.31.1