Initial project import

tools/v/vlib/sokol/sapp/sapp_state.v

@@ -0,0 +1,62 @@
+module sapp
+
+// Shared state structs for the V sokol_app backends.
+// Platform-specific state (SappState, g_sapp_state, SappWayland, SappWin32, etc.)
+// lives in sapp_state_linux.v / sapp_state_windows.v respectively.
+
+const ring_num_slots = 256
+const max_title_length = 128
+const mousecursor_num = 27
+
+// Timing state for frame duration averaging
+struct SappTiming {
+mut:
+	last        f64
+	accum       f64
+	avg         f64
+	spike_count int
+	num         int
+	ring_head   int
+	ring_tail   int
+	ring_buf    [ring_num_slots]f64
+}
+
+// Mouse state
+struct SappMouse {
+mut:
+	x              f32
+	y              f32
+	dx             f32
+	dy             f32
+	shown          bool
+	locked         bool
+	pos_valid      bool
+	current_cursor MouseCursor
+}
+
+// Clipboard state
+struct SappClipboard {
+mut:
+	enabled  bool
+	buf_size int
+	buffer   &char = unsafe { nil }
+}
+
+// Drag and drop state
+struct SappDrop {
+mut:
+	enabled         bool
+	max_files       int
+	max_path_length int
+	num_files       int
+	buf_size        int
+	buffer          &char = unsafe { nil }
+}
+
+// GL state
+struct SappGl {
+mut:
+	framebuffer u32
+	major       int
+	minor       int
+}