test render loop

src/VM/Display/Display.h

@@ -0,0 +1,32 @@
+#pragma once
+#include "../../std.h"
+#include "../../string/str.h"
+
+typedef struct Rect {
+    i32 x, y;
+    i32 w, h;
+} Rect;
+#define Rect_create(X, Y, W, H) ((Rect){ .x = X, .y = Y, .w = W, .h = H})
+
+typedef struct ColorRGBA {
+    u8 r, g, b, a;
+} ColorRGBA;
+#define ColorRGBA_create(R, G, B, A) ((ColorRGBA){ .r = R, .g = G, .b = B, .a = A })
+
+
+typedef enum DisplayFlags {
+    DisplayFlags_Default = 0
+} DisplayFlags;
+
+typedef struct Display Display;
+
+Display* Display_create(str name, i32 w, i32 h, DisplayFlags flags);
+void Display_destroy(Display* d);
+
+bool Display_setName(Display* d, str name);
+bool Display_setSize(Display* d, u32 w, u32 h);
+bool Display_setDrawingColor(Display* d, ColorRGBA color);
+bool Display_clear(Display* d);
+bool Display_fillRect(Display* d, Rect rect);
+bool Display_swapBuffers(Display* d);
+NULLABLE(cstr) Display_getError();