From b81aff95e7924c38dbd1cf639011be1848af6967 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Sun, 10 Oct 2021 14:54:53 +0200 Subject: Enable alpha blending --- src/window.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/window.c') diff --git a/src/window.c b/src/window.c index bdbcd6f..4d877d7 100644 --- a/src/window.c +++ b/src/window.c @@ -4,6 +4,9 @@ #include #define GL_COLOR_BUFFER_BIT 0x00004000 +#define GL_BLEND 0x0BE2 +#define GL_SRC_ALPHA 0x0302 +#define GL_ONE_MINUS_SRC_ALPHA 0x0303 int mgl_window_create(mgl_window *self, const char *title, int width, int height, mgl_window_callback *callback, void *userdata) { return mgl_window_create_with_params(self, title, width, height, DefaultRootWindow(mgl_get_context()->connection), callback, userdata); @@ -80,6 +83,8 @@ void mgl_window_show(mgl_window *self) { /* TODO: Switch current when rendering to another window, and set current to NULL when destroying the currently selected context */ context->gl.glXMakeCurrent(context->connection, self->window, context->glx_context); set_vertical_sync_enabled(self->window, 1); + context->gl.glEnable(GL_BLEND); + context->gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); mgl_window_draw(self); } -- cgit v1.2.3