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-rw-r--r--render/gles2/renderer.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index 7d0db8b3..703edd46 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -83,6 +83,11 @@ static void wlr_gles2_begin(struct wlr_renderer_state *state,
int32_t width = output->width;
int32_t height = output->height;
GL_CALL(glViewport(0, 0, width, height));
+
+ // enable transparency
+ GL_CALL(glEnable(GL_BLEND));
+ GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+
// Note: maybe we should save output projection and remove some of the need
// for users to sling matricies themselves
}