X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Fcommands_backend.cpp;h=1ec19c13d63b7e908a2f90ddbcdbada8bcfd4363;hb=0bcebf9930e4baada774a16c0e7637a22a410bb4;hp=97b4f12c7400857cb9f31162bb5f19180817c686;hpb=4cd245dafe6a7ee5c93edca5aee2d146f1155309;p=libs%2Fgl.git

diff --git a/source/backends/opengl/commands_backend.cpp b/source/backends/opengl/commands_backend.cpp
index 97b4f12c..1ec19c13 100644
--- a/source/backends/opengl/commands_backend.cpp
+++ b/source/backends/opengl/commands_backend.cpp
@@ -18,6 +18,11 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
+void OpenGLCommands::submit_frame()
+{
+	glFlush();
+}
+
 void OpenGLCommands::use_pipeline(const PipelineState *ps)
 {
 	pipeline_state = ps;
@@ -31,6 +36,9 @@ void OpenGLCommands::clear(const ClearValue *values)
 	if(!target)
 		throw invalid_operation("OpenGLCommands::clear");
 
+	if(!values)
+		return;
+
 	static Require _req(MSP_clear_buffer);
 
 	pipeline_state->apply();