From d90ac09bd520af683593b012bcc9bd9a26aaa65e Mon Sep 17 00:00:00 2001
From: doursse <doursse>
Date: Fri, 16 Nov 2007 19:32:25 +0000
Subject: [PATCH] opengl code

SVN revision: 32737
---
 .../src/lib/ecore_win32/ecore_win32_glew.c    | 133 ++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 legacy/ecore/src/lib/ecore_win32/ecore_win32_glew.c

diff --git a/legacy/ecore/src/lib/ecore_win32/ecore_win32_glew.c b/legacy/ecore/src/lib/ecore_win32/ecore_win32_glew.c
new file mode 100644
index 0000000000..847ae9a4d4
--- /dev/null
+++ b/legacy/ecore/src/lib/ecore_win32/ecore_win32_glew.c
@@ -0,0 +1,133 @@
+/*
+ * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
+ */
+
+#include "config.h"
+#include <GL/glew.h>
+#include "ecore_win32_private.h"
+#include "Ecore_Win32.h"
+#include <stdio.h>
+
+
+static int _ecore_win32_glew_init = 0;
+
+EAPI int
+ecore_win32_glew_init(Ecore_Win32_Window *window)
+{
+#ifdef HAVE_OPENGL_GLEW
+   PIXELFORMATDESCRIPTOR pfd;
+   int                   format;
+
+   RECT                        rect;
+   struct _Ecore_Win32_Window *w;
+   DWORD                       flag;
+
+   if (!window)
+     return 0;
+
+   w = (struct _Ecore_Win32_Window *)window;
+
+   printf ("ecore_win32_glew_init debut : %p (%d %d) (%d %d)\n",
+           w,
+           w->min_width,
+           w->min_height,
+           w->max_width,
+           w->max_height);
+
+   w->glew.dc = GetDC (w->window);
+   if (!w->glew.dc)
+     goto no_dc;
+
+  ZeroMemory (&pfd, sizeof (pfd));
+  pfd.nSize = sizeof (pfd);
+  pfd.nVersion = 1;
+  pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+  pfd.iPixelType = PFD_TYPE_RGBA;
+  pfd.cColorBits = 24;
+  pfd.cDepthBits = 32;
+  pfd.iLayerType = PFD_MAIN_PLANE;
+
+  format = ChoosePixelFormat (w->glew.dc, &pfd);
+  if (!format)
+    goto no_format;
+
+  SetPixelFormat (w->glew.dc, format, &pfd);
+
+  w->glew.depth = 32;
+
+   printf ("ecore_win32_glew_init fin : %p (%d %d) (%d %d)\n",
+           w,
+           w->min_width,
+           w->min_height,
+           w->max_width,
+           w->max_height);
+
+   if (!_ecore_win32_glew_init)
+     {
+/*         if (glewInit() != GLEW_OK) */
+/*           { */
+/*              printf ("can not init Glew\n"); */
+/*              goto no_glew_init; */
+/*           } */
+        if (GLEW_VERSION_2_0)
+          {
+             printf ("2.0\n");
+             goto no_glew_2_0;
+          }
+        else {
+          printf ("pas 2.0 !!\n");
+        }
+        _ecore_win32_glew_init = 1;
+     }
+
+   w->backend = ECORE_WIN32_BACKEND_GLEW;
+
+   return 1;
+
+ no_glew_2_0:
+ no_glew_init:
+ no_format:
+   ReleaseDC (w->window, w->glew.dc);
+ no_dc:
+#endif /* HAVE_OPENGL_GLEW */
+
+   return 0;
+}
+
+EAPI void
+ecore_win32_glew_shutdown(Ecore_Win32_Window *window)
+{
+#ifdef HAVE_OPENGL_GLEW
+   struct _Ecore_Win32_Window *w;
+
+   if (!window)
+     return;
+
+   w = (struct _Ecore_Win32_Window *)window;
+
+   if (w->glew.dc)
+     ReleaseDC (w->window, w->glew.dc);
+
+   w->backend = ECORE_WIN32_BACKEND_NONE;
+#endif /* HAVE_OPENGL_GLEW */
+}
+
+EAPI Ecore_Win32_Glew_DC *
+ecore_win32_glew_dc_get(Ecore_Win32_Window *window)
+{
+#ifdef HAVE_OPENGL_GLEW
+   return ((struct _Ecore_Win32_Window *)window)->glew.dc;
+#else
+   return NULL;
+#endif /* HAVE_OPENGL_GLEW */
+}
+
+EAPI int
+ecore_win32_glew_depth_get(Ecore_Win32_Window *window)
+{
+#ifdef HAVE_DIRECT3D
+   return ((struct _Ecore_Win32_Window *)window)->glew.depth;
+#else
+   return 0;
+#endif /* HAVE_DIRECT3D */
+}