seperate out tick and render update calls

solanaceae/plugin/solana_plugin_v1.h

@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-#define SOLANA_PLUGIN_VERSION 6
+#define SOLANA_PLUGIN_VERSION 7
 
 #if defined(_MSC_VER) || defined(__MINGW32__)
 	#define SOLANA_PLUGIN_EXPORT __declspec(dllexport)
@@ -15,6 +15,7 @@
 
 #if defined(SOLANA_PLUGIN_HOST)
 	#define SOLANA_PLUGIN_DECL
+	// TODO: this looks like decl should be used, but it isnt
 #else
 	#define SOLANA_PLUGIN_DECL SOLANA_PLUGIN_EXPORT
 #endif
@@ -34,7 +35,9 @@ struct SolanaAPI {
 
 // ---------- info ----------
 
+// TODO: change to exported struct, so we dont have to execute this code
 SOLANA_PLUGIN_EXPORT const char* solana_plugin_get_name(void);
+// TODO: add author and other attributes
 
 // get the SOLANA_PLUGIN_VERSION the plugin was compiled with
 SOLANA_PLUGIN_EXPORT uint32_t solana_plugin_get_version(void);
@@ -46,9 +49,14 @@ SOLANA_PLUGIN_EXPORT uint32_t solana_plugin_start(struct SolanaAPI* solana_api);
 
 SOLANA_PLUGIN_EXPORT void solana_plugin_stop(void);
 
-// called periodically
-SOLANA_PLUGIN_EXPORT void solana_plugin_tick(float delta);
+// ---------- called periodically ----------
+// rendering needs to be called in a different interval AND needs to be garantied from mainthread
+// the functions return the minimum time in seconds until the update should be called next
 
+// for compute tasks
+SOLANA_PLUGIN_EXPORT float solana_plugin_tick(float delta);
+// on frame rendering
+SOLANA_PLUGIN_EXPORT float solana_plugin_render(float delta);
 
 #ifdef __cplusplus
 }