X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Fcommands_backend.cpp;h=7d599153e74e10ecec77bd603af376783b021286;hb=2a70fecfbbe8708be2bdaa75d222dd5a889a8ed3;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..7d599153 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();
@@ -83,7 +91,10 @@ void OpenGLCommands::resolve_multisample(Framebuffer &target)
 	unsigned buffers = get_gl_buffer_bits(source->get_format())&get_gl_buffer_bits(target.get_format());
 
 	if(ARB_direct_state_access)
+	{
+		target.refresh();
 		glBlitNamedFramebuffer(source->id, target.id, 0, 0, width, height, 0, 0, width, height, buffers, GL_NEAREST);
+	}
 	else
 	{
 		glBindFramebuffer(GL_READ_FRAMEBUFFER, source->id);