void
_cogl_pipeline_snippet_generate_declarations (GString *declarations_buf,
CoglSnippetHook hook,
CoglPipelineSnippetList *snippets)
{
GList *l;
for (l = snippets->entries; l; l = l->next)
{
CoglSnippet *snippet = l->data;
if (snippet->hook == hook)
{
const char *source;
if ((source = cogl_snippet_get_declarations (snippet)))
g_string_append (declarations_buf, source);
}
}
}
void
_cogl_pipeline_snippet_generate_code (const CoglPipelineSnippetData *data)
{
CoglPipelineSnippet *first_snippet, *snippet;
int snippet_num = 0;
int n_snippets = 0;
first_snippet = COGL_LIST_FIRST (data->snippets);
/* First count the number of snippets so we can easily tell when
we're at the last one */
COGL_LIST_FOREACH (snippet, data->snippets, list_node)
if (snippet->snippet->hook == data->hook)
{
/* Don't bother processing any previous snippets if we reach
one that has a replacement */
if (snippet->snippet->replace)
{
n_snippets = 1;
first_snippet = snippet;
}
else
n_snippets++;
}
/* If there weren't any snippets then generate a stub function with
the final name */
if (n_snippets == 0)
{
if (data->return_type)
g_string_append_printf (data->source_buf,
"\n"
"%s\n"
"%s (%s)\n"
"{\n"
" return %s (%s);\n"
"}\n",
data->return_type,
data->final_name,
data->argument_declarations ?
data->argument_declarations : "",
data->chain_function,
data->arguments ? data->arguments : "");
else
g_string_append_printf (data->source_buf,
"\n"
"void\n"
"%s (%s)\n"
"{\n"
" %s (%s);\n"
"}\n",
data->final_name,
data->argument_declarations ?
data->argument_declarations : "",
data->chain_function,
data->arguments ? data->arguments : "");
return;
}
for (snippet = first_snippet, snippet_num = 0;
snippet_num < n_snippets;
snippet = COGL_LIST_NEXT (snippet, list_node), snippet_num++)
if (snippet->snippet->hook == data->hook)
{
const char *source;
if ((source = cogl_snippet_get_declarations (snippet->snippet)))
g_string_append (data->source_buf, source);
g_string_append_printf (data->source_buf,
"\n"
"%s\n",
data->return_type ?
data->return_type :
"void");
if (snippet_num + 1 < n_snippets)
g_string_append_printf (data->source_buf,
"%s_%i",
data->function_prefix,
snippet_num);
else
g_string_append (data->source_buf, data->final_name);
g_string_append (data->source_buf, " (");
if (data->argument_declarations)
g_string_append (data->source_buf, data->argument_declarations);
g_string_append (data->source_buf,
")\n"
"{\n");
if (data->return_type && !data->return_variable_is_argument)
g_string_append_printf (data->source_buf,
" %s %s;\n"
"\n",
data->return_type,
data->return_variable);
if ((source = cogl_snippet_get_pre (snippet->snippet)))
g_string_append (data->source_buf, source);
/* Chain on to the next function, or bypass it if there is
a replace string */
if ((source = cogl_snippet_get_replace (snippet->snippet)))
g_string_append (data->source_buf, source);
else
{
g_string_append (data->source_buf, " ");
if (data->return_type)
g_string_append_printf (data->source_buf,
"%s = ",
data->return_variable);
if (snippet_num > 0)
g_string_append_printf (data->source_buf,
"%s_%i",
data->function_prefix,
snippet_num - 1);
else
g_string_append (data->source_buf, data->chain_function);
g_string_append (data->source_buf, " (");
if (data->arguments)
g_string_append (data->source_buf, data->arguments);
g_string_append (data->source_buf, ");\n");
}
if ((source = cogl_snippet_get_post (snippet->snippet)))
g_string_append (data->source_buf, source);
if (data->return_type)
g_string_append_printf (data->source_buf,
" return %s;\n",
data->return_variable);
g_string_append (data->source_buf, "}\n");
}
}
