1 files changed, 28 insertions, 3 deletions
diff --git a/servers/visual/rendering_device.cpp b/servers/visual/rendering_device.cpp
index eaecc76b55..55707acc8c 100644
--- a/servers/visual/rendering_device.cpp
+++ b/servers/visual/rendering_device.cpp
@@ -1,13 +1,38 @@
 #include "rendering_device.h"
 
-
-RenderingDevice *RenderingDevice::singleton=NULL;
+RenderingDevice *RenderingDevice::singleton = NULL;
 
 RenderingDevice *RenderingDevice::get_singleton() {
 	return singleton;
 }
 
+RenderingDevice::ShaderCompileFunction RenderingDevice::compile_function = NULL;
+RenderingDevice::ShaderCacheFunction RenderingDevice::cache_function = NULL;
+
+void RenderingDevice::shader_set_compile_function(ShaderCompileFunction p_function) {
+	compile_function = p_function;
+}
+void RenderingDevice::shader_set_cache_function(ShaderCacheFunction p_function) {
+	cache_function = p_function;
+}
+
+PoolVector<uint8_t> RenderingDevice::shader_compile_from_source(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language, String *r_error, bool p_allow_cache) {
+	if (p_allow_cache && cache_function) {
+		PoolVector<uint8_t> cache = cache_function(p_stage, p_source_code, p_language);
+		if (cache.size()) {
+			return cache;
+		}
+	}
+
+	ERR_FAIL_COND_V(!compile_function, PoolVector<uint8_t>());
+
+	return compile_function(p_stage, p_source_code, p_language, r_error);
+}
+
 RenderingDevice::RenderingDevice() {
 
-	singleton=this;
+	ShaderCompileFunction compile_function;
+	ShaderCacheFunction cache_function;
+
+	singleton = this;
 }