Enable alpha blending

2 files changed, 8 insertions, 1 deletions

diff --git a/src/gl.c b/src/gl.c
index 023ffbb..282046c 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -1,6 +1,6 @@
 #include "../include/mgl/gl.h"
 #include <dlfcn.h>
-/*#include <GL/glx.h>*/
+/*#include <GL/gl.h>*/
 #include <stdio.h>
 
 typedef struct {
@@ -37,6 +37,8 @@ int mgl_gl_load(mgl_gl *self) {
         { &self->glViewport, "glViewport" },
         { &self->glClearColor, "glClearColor" },
         { &self->glClear, "glClear" },
+        { &self->glEnable, "glEnable" },
+        { &self->glBlendFunc, "glBlendFunc" },
 
         { NULL, NULL }
     };
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 <stdio.h>
 
 #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);
 }