X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fplugins%2Fswapchannels%2Fswapchannels.C;h=d8a6543b197f685f621f5311fc4a484c4f5bb038;hb=5c1aff2fd123b65be6e51ca7652185e14ddaf168;hp=99e36b744f04fc555c52f1eb5e635934653581f4;hpb=21c2e6b36d6a96c2f662a89459d607b5a387f4eb;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/plugins/swapchannels/swapchannels.C b/cinelerra-5.1/plugins/swapchannels/swapchannels.C
index 99e36b74..d8a6543b 100644
--- a/cinelerra-5.1/plugins/swapchannels/swapchannels.C
+++ b/cinelerra-5.1/plugins/swapchannels/swapchannels.C
@@ -208,7 +208,7 @@ void SwapMain::reset()
 }
 
 
-const char* SwapMain::plugin_title()  { return _("Swap channels"); }
+const char* SwapMain::plugin_title() { return N_("Swap channels"); }
 int SwapMain::is_synthesis() { return 1; }
 int SwapMain::is_realtime()  { return 1; }
 
@@ -497,13 +497,13 @@ int SwapMain::handle_opengl()
 	get_output()->clear_pbuffer();
 	get_output()->bind_texture(0);
 
-	unsigned int shader_id = VFrame::make_shader(0,
-		output_frag,
-		0);
-	glUseProgram(shader_id);
-	glUniform1i(glGetUniformLocation(shader_id, "tex"), 0);
-	glUniform1f(glGetUniformLocation(shader_id, "chroma_offset"),
-		BC_CModels::is_yuv(get_output()->get_color_model()) ? 0.5 : 0.0);
+	unsigned int shader = VFrame::make_shader(0, output_frag, 0);
+	if( shader > 0 ) {
+		glUseProgram(shader);
+		glUniform1i(glGetUniformLocation(shader, "tex"), 0);
+		glUniform1f(glGetUniformLocation(shader, "chroma_offset"),
+			BC_CModels::is_yuv(get_output()->get_color_model()) ? 0.5 : 0.0);
+	}
 
 	get_output()->draw_texture();
 	glUseProgram(0);