From 4aa7273eea642bff78477b0b220c7056628b13a8 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 10 Oct 2021 17:29:31 +0200
Subject: Add texture loading (and render in test)

---
 src/window.c | 81 +++++++++++++++++++++++++++---------------------------------
 1 file changed, 37 insertions(+), 44 deletions(-)

(limited to 'src/window.c')

diff --git a/src/window.c b/src/window.c
index 4d877d7..7d13ffe 100644
--- a/src/window.c
+++ b/src/window.c
@@ -3,10 +3,28 @@
 #include <X11/Xutil.h>
 #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
+/* TODO: check for glx swap control extension string (GLX_EXT_swap_control, etc) */
+static void set_vertical_sync_enabled(Window window, int enabled) {
+    int result = 0;
+    mgl_context *context = mgl_get_context();
+
+    if(context->gl.glXSwapIntervalEXT) {
+        context->gl.glXSwapIntervalEXT(context->connection, window, enabled ? 1 : 0);
+    } else if(context->gl.glXSwapIntervalMESA) {
+        result = context->gl.glXSwapIntervalMESA(enabled ? 1 : 0);
+    } else if(context->gl.glXSwapIntervalSGI) {
+        result = context->gl.glXSwapIntervalSGI(enabled ? 1 : 0);
+    } else {
+        static int warned = 0;
+        if (!warned) {
+            warned = 1;
+            fprintf(stderr, "Warning: setting vertical sync not supported\n");
+        }
+    }
+
+    if(result != 0)
+        fprintf(stderr, "Warning: setting vertical sync failed\n");
+}
 
 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);
@@ -30,7 +48,7 @@ int mgl_window_create_with_params(mgl_window *self, const char *title, int width
     window_attr.event_mask = KeyPressMask;
 
     self->window = XCreateWindow(context->connection, parent_window, 0, 0, width, height, 0, ((XVisualInfo*)context->visual_info)->depth, InputOutput, ((XVisualInfo*)context->visual_info)->visual, CWColormap | CWEventMask, &window_attr);
-    //XFreeColormap(context->connection, color_map);
+    XFreeColormap(context->connection, color_map);
     if(!self->window) {
         fprintf(stderr, "XCreateWindow failed\n");
         mgl_window_deinit(self);
@@ -39,60 +57,32 @@ int mgl_window_create_with_params(mgl_window *self, const char *title, int width
 
     /* TODO: Test utf8 */
     XStoreName(context->connection, self->window, title);
-    return 0;
-}
-
-void mgl_window_deinit(mgl_window *self) {
-    mgl_context *context = mgl_get_context();
-
-    if(self->window) {
-        XDestroyWindow(context->connection, self->window);
-        self->window = 0;
-    }
-}
-
-/* TODO: check for glx swap control extension string (GLX_EXT_swap_control, etc) */
-static void set_vertical_sync_enabled(Window window, int enabled) {
-    int result = 0;
-    mgl_context *context = mgl_get_context();
-
-    if(context->gl.glXSwapIntervalEXT) {
-        context->gl.glXSwapIntervalEXT(context->connection, window, enabled ? 1 : 0);
-    } else if(context->gl.glXSwapIntervalMESA) {
-        result = context->gl.glXSwapIntervalMESA(enabled ? 1 : 0);
-    } else if(context->gl.glXSwapIntervalSGI) {
-        result = context->gl.glXSwapIntervalSGI(enabled ? 1 : 0);
-    } else {
-        static int warned = 0;
-        if (!warned) {
-            warned = 1;
-            fprintf(stderr, "Warning: setting vertical sync not supported\n");
-        }
-    }
-
-    if(result != 0)
-        fprintf(stderr, "Warning: setting vertical sync failed\n");
-}
-
-void mgl_window_show(mgl_window *self) {
-    mgl_context *context = mgl_get_context();
-
     XMapWindow(context->connection, self->window);
     XFlush(context->connection);
 
     /* 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_TEXTURE_2D);
     context->gl.glEnable(GL_BLEND);
     context->gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     mgl_window_draw(self);
+    return 0;
+}
+
+void mgl_window_deinit(mgl_window *self) {
+    mgl_context *context = mgl_get_context();
+    if(self->window) {
+        XDestroyWindow(context->connection, self->window);
+        self->window = 0;
+    }
 }
 
 static void on_receive_x11_event(mgl_window *window, XEvent *xev) {
     
 }
 
-void mgl_window_event_poll(mgl_window *self) {
+void mgl_window_events_poll(mgl_window *self) {
     Display *display = mgl_get_context()->connection;
     const int x11_fd = ConnectionNumber(display);
 
@@ -114,6 +104,9 @@ void mgl_window_event_poll(mgl_window *self) {
             XNextEvent(display, &xev);
             on_receive_x11_event(self, &xev);
         }
+    } else if(num_ready_fds == -1) {
+        /* TODO: */
+        fprintf(stderr, "Disconnected!\n");
     }
 }
 
-- 
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