ppapi_simple

native_client_sdk/src/libraries/ppapi_simple/ppapi_simple_main2d.cc

+/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_module.h"
+
+
+#include "ppapi_simple/ppapi_simple_instance2d.h"
+#include "ppapi_simple/ppapi_simple_main2d.h"
+
+
+PP_Bool PSUpdate2DContext(PSEvent* event, PS2DContext_t* context) {
+  PP_Bool updated = PP_FALSE;
+  // Process all view updates to keep context bound
+  if (event->type_ == PS_VIEW_EVENT) {
+    struct PP_Rect rect;
+    int32_t width;
+    int32_t height;
+    if (g_Context.ctx_) {
+      g_pCore->ReleaseResource(g_Context.ctx_);
+      g_Context.ctx_ = 0;

[binji, 2013/05/23 18:06:49]

what is g_Context?

+    }
+
+    g_pView->GetRect(event->resource_, &rect);
+    width = rect.size.width;
+    height = rect.size.height;
+
+    if (width != g_Context.size_.width || height != g_Context.size_.height) {
+      updated = true;

[binji, 2013/05/23 18:06:49]

PP_TRUE

+    }
+
+    if (width != g_Context.size_.width || height != g_Context.size_.height ||

[binji, 2013/05/23 18:06:49]

why not set updated in this block? isn't it updated if the context was
previously unbound?

+        !g_Context.bound_) {
+      g_Context.ctx_ =
+          g_pGraphics2D->Create(PSGetInstanceId(), &rect.size, PP_TRUE);
+      g_Context.bound_ =
+          g_pInstance->BindGraphics(PSGetInstanceId(), g_Context.ctx_);
+      g_Context.size_ = rect.size;
+    }
+  }
+  return updated;
+}
+
+
+void PSEnableRender(int enable) {
+  PSInstance* pInst = PSInstance::GetInstance();
+  pInst->EnableRender(enable != 0);

[binji, 2013/05/23 18:06:49]

not implemented anywhere

+};
+
+void* PSCreateMain2D(PP_Instance inst, PSMain2DCfg_t* cfg, const char* argv[]) {
+  PSInstance2D* pInst = new PSInstance2D(inst, cfg, argv);
+  return pInst;
+}
+