1 files changed, 3 insertions, 1 deletions
diff --git a/src/simulation/SaveRenderer.cpp b/src/simulation/SaveRenderer.cpp
index f3b419f..048a24e 100644
--- a/src/simulation/SaveRenderer.cpp
+++ b/src/simulation/SaveRenderer.cpp
@@ -42,6 +42,7 @@ Thumbnail * SaveRenderer::Render(GameSave * save)
 	width = save->blockWidth;
 	height = save->blockHeight;
 	
+	g->Acquire();
 	g->Clear();
 	sim->clear_sim();
 	
@@ -69,7 +70,7 @@ Thumbnail * SaveRenderer::Render(GameSave * save)
 
 		pData = new pixel[XRES*YRES];
 		texData = new unsigned char[(XRES*YRES)*PIXELSIZE];
-		std::fill(texData, texData+(XRES*YRES), 0xDD);
+		std::fill(texData, texData+(XRES*YRES)*PIXELSIZE, 0xDD);
 		glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, texData);
 		glDisable(GL_TEXTURE_2D);
 
@@ -111,6 +112,7 @@ Thumbnail * SaveRenderer::Render(GameSave * save)
 			free(pData);
 #endif
 	}
+	g->Release();
 	return tempThumb;
 }