move utils/SkEGLContext to gpu/SkGLContext, some gpu.gyp cleanup, set eol style LF on all gpu files

Review URL: http://codereview.appspot.com/5242056/



git-svn-id: http://skia.googlecode.com/svn/trunk@2474 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/SkGLContext.h b/include/gpu/SkGLContext.h
new file mode 100644
index 0000000..2e8a8ab
--- /dev/null
+++ b/include/gpu/SkGLContext.h
@@ -0,0 +1,58 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkGLContext_DEFINED
+#define SkGLContext_DEFINED
+
+#if defined(SK_MESA)
+    #include "GL/osmesa.h"
+#elif defined(SK_BUILD_FOR_MAC)
+    #include <AGL/agl.h>
+#elif defined(SK_BUILD_FOR_UNIX)
+    #include <X11/Xlib.h>
+    #include <GL/glx.h>
+#elif defined(SK_BUILD_FOR_WIN32)
+    #include <Windows.h>
+    #include <GL/GL.h>
+#else
+
+#endif
+
+/**
+ *  Create an offscreen opengl context with an RGBA8 / 8bit stencil FBO.
+ */
+class SkGLContext {
+public:
+    SkGLContext();
+    ~SkGLContext();
+
+    bool init(const int width, const int height);
+
+    int getFBOID() const { return fFBO; }
+
+private:
+    GLuint fFBO;
+#if defined(SK_MESA)
+    OSMesaContext context;
+    GLfloat *image;
+#elif defined(SK_BUILD_FOR_MAC)
+    AGLContext context;
+#elif defined(SK_BUILD_FOR_UNIX)
+    GLXContext context;
+    Display *display;
+    Pixmap pixmap;
+    GLXPixmap glxPixmap;
+#elif defined(SK_BUILD_FOR_WIN32)
+    HWND fWindow;
+    HDC fDeviceContext;
+    HGLRC fGlRenderContext;
+#else
+
+#endif
+};
+
+#endif