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authorMattias Andrée <maandree@kth.se>2016-07-17 16:42:49 +0200
committerMattias Andrée <maandree@kth.se>2016-07-17 16:42:49 +0200
commit671efca852ff4aefe653579136ee9b43dbc88324 (patch)
tree2b4739606b6b82a4256fbf41668cc7c556748bdf /src/coopgamma-server
parentRestructure (diff)
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Continue restructure
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/coopgamma-server')
-rw-r--r--src/coopgamma-server/server.c39
-rw-r--r--src/coopgamma-server/server.h8
2 files changed, 47 insertions, 0 deletions
diff --git a/src/coopgamma-server/server.c b/src/coopgamma-server/server.c
index 8d56119..e0a5188 100644
--- a/src/coopgamma-server/server.c
+++ b/src/coopgamma-server/server.c
@@ -333,3 +333,42 @@ int flush_filters(struct output* restrict output, size_t first_updated)
return 0;
}
+
+
+/**
+ * Preserve current gamma ramps at priority 0 for all outputs
+ *
+ * @return Zero on success, -1 on error
+ */
+int preserve_gamma(void)
+{
+ size_t i;
+
+ for (i = 0; i < outputs_n; i++)
+ {
+ struct filter filter = {
+ .client = -1,
+ .priority = 0,
+ .class = NULL,
+ .lifespan = LIFESPAN_UNTIL_REMOVAL,
+ .ramps = NULL
+ };
+ outputs[i].table_filters = calloc(4, sizeof(*(outputs[i].table_filters)));
+ outputs[i].table_sums = calloc(4, sizeof(*(outputs[i].table_sums)));
+ outputs[i].table_alloc = 4;
+ outputs[i].table_size = 1;
+ filter.class = memdup(PKGNAME "::" COMMAND "::preserved", sizeof(PKGNAME "::" COMMAND "::preserved"));
+ if (filter.class == NULL)
+ return -1;
+ filter.ramps = memdup(outputs[i].saved_ramps.u8.red, outputs[i].ramps_size);
+ if (filter.ramps == NULL)
+ return -1;
+ outputs[i].table_filters[0] = filter;
+ COPY_RAMP_SIZES(&(outputs[i].table_sums[0].u8), outputs + i);
+ if (!gamma_ramps_unmarshal(outputs[i].table_sums, outputs[i].saved_ramps.u8.red, outputs[i].ramps_size))
+ return -1;
+ }
+
+ return 0;
+}
+
diff --git a/src/coopgamma-server/server.h b/src/coopgamma-server/server.h
index 971f7df..4e3bed6 100644
--- a/src/coopgamma-server/server.h
+++ b/src/coopgamma-server/server.h
@@ -89,5 +89,13 @@ GCC_ONLY(__attribute__((nonnull)))
int flush_filters(struct output* restrict output, size_t first_updated);
+/**
+ * Preserve current gamma ramps at priority 0 for all outputs
+ *
+ * @return Zero on success, -1 on error
+ */
+int preserve_gamma(void);
+
+
#endif