Initial commit.

Let's do this!

1 files changed, 194 insertions, 0 deletions

diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm
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+;;; guile-sdl2 --- FFI bindings for SDL2
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; This file is part of guile-sdl2.
+;;;
+;;; Guile-sdl2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-sdl2 is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with guile-sdl2.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Low-level FFI bindings.
+;;
+;;; Code:
+
+(define-module (sdl2 bindings)
+  #:use-module (system foreign)
+  #:use-module (sdl2 config)
+  #:export (boolean->sdl-bool
+
+            SDL_INIT_TIMER
+            SDL_INIT_AUDIO
+            SDL_INIT_VIDEO
+            SDL_INIT_HAPTIC
+            SDL_INIT_GAMECONTROLLER
+            SDL_INIT_EVENTS
+            SDL_INIT_NOPARACHUTE
+
+            SDL_WINDOW_FULLSCREEN
+            SDL_WINDOW_OPENGL
+            SDL_WINDOW_SHOWN
+            SDL_WINDOW_HIDDEN
+            SDL_WINDOW_BORDERLESS
+            SDL_WINDOW_RESIZABLE
+            SDL_WINDOW_MINIMIZED
+            SDL_WINDOW_MAXIMIZED
+            SDL_WINDOW_INPUT_GRABBED
+            SDL_WINDOW_INPUT_FOCUS
+            SDL_WINDOW_MOUSE_FOCUS
+            SDL_WINDOW_FULLSCREEN_DESKTOP
+            SDL_WINDOW_FOREIGN
+            SDL_WINDOW_ALLOW_HIGHDPI
+            SDL_WINDOW_MOUSE_CAPTURE))
+
+(define sdl-func
+  (let ((lib (dynamic-link %libsdl2)))
+    (lambda (return-type function-name arg-types)
+      "Return a procedure for the foreign function FUNCTION-NAME in
+the SDL2 shared library.  That function must return a value of
+RETURN-TYPE and accept arguments of ARG-TYPES."
+      (pointer->procedure return-type
+                          (dynamic-func function-name lib)
+                          arg-types))))
+
+(define-syntax-rule (define-foreign name return-type func-name arg-types)
+  (define-public name
+    (sdl-func return-type func-name arg-types)))
+
+
+;;;
+;;; Foreign Types
+;;;
+
+(define sdl-bool int)
+
+(define (boolean->sdl-bool b)
+  "Convert the boolean B to an SDL_bool."
+  (if b 1 0))
+
+
+;;;
+;;; Errors
+;;;
+
+(define-foreign sdl-get-error
+  '* "SDL_GetError" '())
+
+
+;;;
+;;; Initialization
+;;;
+
+(define SDL_INIT_TIMER          #x00000001)
+(define SDL_INIT_AUDIO          #x00000010)
+(define SDL_INIT_VIDEO          #x00000020)
+(define SDL_INIT_HAPTIC         #x00001000)
+(define SDL_INIT_GAMECONTROLLER #x00002000)
+(define SDL_INIT_EVENTS         #x00004000)
+
+(define-foreign sdl-init
+  int "SDL_Init" (list uint32))
+
+(define-foreign sdl-quit
+  void "SDL_Quit" '())
+
+
+;;;
+;;; Version
+;;;
+
+(define-foreign sdl-get-version
+  void "SDL_GetVersion" '(*))
+
+
+;;;
+;;; Video
+;;;
+
+(define SDL_WINDOW_FULLSCREEN         #x00000001)
+(define SDL_WINDOW_OPENGL             #x00000002)
+(define SDL_WINDOW_SHOWN              #x00000004)
+(define SDL_WINDOW_HIDDEN             #x00000008)
+(define SDL_WINDOW_BORDERLESS         #x00000010)
+(define SDL_WINDOW_RESIZABLE          #x00000020)
+(define SDL_WINDOW_MINIMIZED          #x00000040)
+(define SDL_WINDOW_MAXIMIZED          #x00000080)
+(define SDL_WINDOW_INPUT_GRABBED      #x00000100)
+(define SDL_WINDOW_INPUT_FOCUS        #x00000200)
+(define SDL_WINDOW_MOUSE_FOCUS        #x00000400)
+(define SDL_WINDOW_FULLSCREEN_DESKTOP (logior SDL_WINDOW_FULLSCREEN
+                                              #x00001000))
+(define SDL_WINDOW_FOREIGN            #x00000800)
+(define SDL_WINDOW_ALLOW_HIGHDPI      #x00002000)
+(define SDL_WINDOW_MOUSE_CAPTURE      #x00004000)
+
+(define-foreign sdl-create-window
+  '* "SDL_CreateWindow" (list '* int int int int uint32))
+
+(define-foreign sdl-destroy-window
+  void "SDL_DestroyWindow" '(*))
+
+(define-foreign sdl-get-window-title
+  '* "SDL_GetWindowTitle" '(*))
+
+(define-foreign sdl-get-window-size
+  void "SDL_GetWindowSize" '(* * *))
+
+(define-foreign sdl-get-window-position
+  void "SDL_GetWindowPosition" '(* * *))
+
+(define-foreign sdl-get-window-id
+  uint32 "SDL_GetWindowID" '(*))
+
+(define-foreign sdl-get-window-from-id
+  '* "SDL_GetWindowFromID" (list uint32))
+
+(define-foreign sdl-hide-window
+  void "SDL_HideWindow" '(*))
+
+(define-foreign sdl-show-window
+  void "SDL_ShowWindow" '(*))
+
+(define-foreign sdl-maximize-window
+  void "SDL_MaximizeWindow" '(*))
+
+(define-foreign sdl-minimize-window
+  void "SDL_MinimizeWindow" '(*))
+
+(define-foreign sdl-raise-window
+  void "SDL_RaiseWindow" '(*))
+
+(define-foreign sdl-restore-window
+  void "SDL_RestoreWindow" '(*))
+
+(define-foreign sdl-set-window-bordered
+  void "SDL_SetWindowBordered" (list '* sdl-bool))
+
+(define-foreign sdl-set-window-title
+  void "SDL_SetWindowTitle" '(* *))
+
+(define-foreign sdl-set-window-position
+  void "SDL_SetWindowPosition" (list '* int int))
+
+(define-foreign sdl-set-window-size
+  void "SDL_SetWindowSize" (list '* int int))
+
+(define-foreign sdl-gl-create-context
+  '* "SDL_GL_CreateContext" '(*))
+
+(define-foreign sdl-gl-delete-context
+  void "SDL_GL_DeleteContext" '(*))
+
+(define-foreign sdl-gl-swap-window
+  void "SDL_GL_SwapWindow" '(*))