Stub in Mac viewer code.

tools/viewer/sk_app/mac/GLWindowContext_mac.cpp

Index: tools/viewer/sk_app/mac/GLWindowContext_mac.cpp
diff --git a/tools/viewer/sk_app/unix/GLWindowContext_unix.cpp b/tools/viewer/sk_app/mac/GLWindowContext_mac.cpp
similarity index 73%
copy from tools/viewer/sk_app/unix/GLWindowContext_unix.cpp
copy to tools/viewer/sk_app/mac/GLWindowContext_mac.cpp
index cde1eb2b5c615cbcae2186340585840b074c55ff..aa700e31656ecb12bdac283711bd77c39f7191ae 100644
--- a/tools/viewer/sk_app/unix/GLWindowContext_unix.cpp
+++ b/tools/viewer/sk_app/mac/GLWindowContext_mac.cpp
@@ -6,17 +6,17 @@
  * found in the LICENSE file.
  */
 
-#include "GLWindowContext_unix.h"
+#include "GLWindowContext_mac.h"
 
-#include <GL/gl.h>
+//#include <GL/gl.h>
 
-#include "Window_unix.h"
+#include "Window_mac.h"
 
 namespace sk_app {
 
 // platform-dependent create
 GLWindowContext* GLWindowContext::Create(void* platformData, const DisplayParams& params) {
-    GLWindowContext_unix* ctx = new GLWindowContext_unix(platformData, params);
+    GLWindowContext_mac* ctx = new GLWindowContext_mac(platformData, params);
     if (!ctx->isValid()) {
         delete ctx;
         return nullptr;
@@ -24,24 +24,30 @@ GLWindowContext* GLWindowContext::Create(void* platformData, const DisplayParams
     return ctx;
 }
 
-GLWindowContext_unix::GLWindowContext_unix(void* platformData, const DisplayParams& params)
+GLWindowContext_mac::GLWindowContext_mac(void* platformData, const DisplayParams& params)
     : GLWindowContext(platformData, params)
+#if 0
+    // TODO: init Mac-specific OpenGL objects
     , fDisplay(nullptr)
     , fWindow(0)
-    , fGLContext(0) {
+    , fGLContext(0)
+#endif
+    {
 
     // any config code here (particularly for msaa)?
 
     this->initializeContext(platformData, params);
 }
 
-GLWindowContext_unix::~GLWindowContext_unix() {
+GLWindowContext_mac::~GLWindowContext_mac() {
     this->destroyContext();
 }
 
-void GLWindowContext_unix::onInitializeContext(void* platformData, const DisplayParams& params) {
-    ContextPlatformData_unix* unixPlatformData =
-        reinterpret_cast<ContextPlatformData_unix*>(platformData);
+void GLWindowContext_mac::onInitializeContext(void* platformData, const DisplayParams& params) {
+#if 0
+    // TODO: Init for Mac
+    ContextPlatformData_mac* unixPlatformData =
+        reinterpret_cast<ContextPlatformData_mac*>(platformData);
 
     if (unixPlatformData) {
         fDisplay = unixPlatformData->fDisplay;
@@ -76,22 +82,29 @@ void GLWindowContext_unix::onInitializeContext(void* platformData, const Display
                      (unsigned int*)&fWidth, (unsigned int*)&fHeight, &border_width, &depth); 
         glViewport(0, 0, fWidth, fHeight);
     }
+#endif
 }
 
-void GLWindowContext_unix::onDestroyContext() {
+void GLWindowContext_mac::onDestroyContext() {
+#if 0
+    // TODO: teardown for Mac
     if (!fDisplay || !fGLContext) {
         return;
     }
     glXMakeCurrent(fDisplay, None, nullptr);
     glXDestroyContext(fDisplay, fGLContext);
     fGLContext = nullptr;
+#endif
 }
 
 
-void GLWindowContext_unix::onSwapBuffers() {
+void GLWindowContext_mac::onSwapBuffers() {
+#if 0
+    // TODO: swap for Mac
     if (fDisplay && fGLContext) {
         glXSwapBuffers(fDisplay, fWindow);
     }
+#endif
 }