git-svn-id: svn://db.shs.com.ru/libs@701 a8b55f48-bf90-11e4-a774-851b48703e85

qglengine/renderer_material.cpp

@@ -66,7 +66,7 @@ void RendererMaterial::renderMaterial(Material * m) {
 	QOpenGLExtraFunctions * f = r->view;
 	fbo_mat_thumb.bind();
 	glEnableDepth();
-	glClearFramebuffer();
+	glClearFramebuffer(QColor(0,0,0,0));
 	if (r->bindShader(Renderer::srGeometryPass, &prog)) {
 		r->setUniformMaps(prog);
 		r->setUniformCamera(prog, mat_camera, true, fbo_mat_thumb.size());