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authorVito Caputo <vcaputo@pengaru.com>2023-09-08 14:00:33 -0700
committerVito Caputo <vcaputo@pengaru.com>2023-09-08 16:23:33 -0700
commitde4e95a888cdc1ed490caceb984407e679c0965f (patch)
tree2b36fb69d94210754002de1040af5105fd8c0249 /src
parent55b6c91096ddb656888dd60486840cd39f42ce59 (diff)
til_builtins/blank: add force= setting
When using the blank builtin for profiling purposes it can be necessary to ensure it actually incurs the cost of clearing.
Diffstat (limited to 'src')
-rw-r--r--src/til_builtins.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/til_builtins.c b/src/til_builtins.c
index 6f63ffd..aa6c159 100644
--- a/src/til_builtins.c
+++ b/src/til_builtins.c
@@ -8,9 +8,17 @@
/* "blank" built-in module */
+typedef struct _blank_setup_t {
+ til_setup_t til_setup;
+ unsigned force:1;
+} _blank_setup_t;
+
static void _blank_prepare_frame(til_module_context_t *context, til_stream_t *stream, unsigned ticks, til_fb_fragment_t **fragment_ptr, til_frame_plan_t *res_frame_plan)
{
*res_frame_plan = (til_frame_plan_t){ .fragmenter = til_fragmenter_slice_per_cpu };
+
+ if (((_blank_setup_t *)context->setup)->force)
+ (*fragment_ptr)->cleared = 0;
}
@@ -20,9 +28,13 @@ static void _blank_render_fragment(til_module_context_t *context, til_stream_t *
}
+static int blank_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup);
+
+
til_module_t _blank_module = {
.prepare_frame = _blank_prepare_frame,
.render_fragment = _blank_render_fragment,
+ .setup = blank_setup,
.name = "blank",
.description = "Blanker (built-in)",
.author = "built-in",
@@ -30,6 +42,48 @@ til_module_t _blank_module = {
};
+static int blank_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup)
+{
+ const char *values[] = {
+ "off",
+ "on",
+ NULL
+ };
+ til_setting_t *force;
+ int r;
+
+ r = til_settings_get_and_describe_setting(settings,
+ &(til_setting_spec_t){
+ .name = "Force clearing",
+ .key = "force",
+ .regex = NULL,
+ .preferred = values[0],
+ .values = values,
+ .annotations = NULL
+ },
+ &force,
+ res_setting,
+ res_desc);
+ if (r)
+ return r;
+
+ if (res_setup) {
+ _blank_setup_t *setup;
+
+ setup = til_setup_new(settings, sizeof(*setup), NULL, &_blank_module);
+ if (!setup)
+ return -ENOMEM;
+
+ if (!strcasecmp(force->value, "on"))
+ setup->force = 1;
+
+ *res_setup = &setup->til_setup;
+ }
+
+ return 0;
+}
+
+
/* "noop" built-in module */
til_module_t _noop_module = {
.name = "noop",
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