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1 files changed, 143 insertions, 0 deletions

diff --git a/hello.cc b/hello.cc
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+++ b/hello.cc
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+// Copyright 2014 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_errors.h"
+#include "ppapi/cpp/core.h"
+#include "ppapi/cpp/graphics_3d.h"
+#include "ppapi/cpp/graphics_3d_client.h"
+#include "ppapi/cpp/input_event.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/rect.h"
+#include "spinning_cube.h"
+#include "ppapi/lib/gl/gles2/gl2ext_ppapi.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+// Use assert as a makeshift CHECK, even in non-debug mode.
+// Since <assert.h> redefines assert on every inclusion (it doesn't use
+// include-guards), make sure this is the last file #include'd in this file.
+#undef NDEBUG
+#include <assert.h>
+#include <stdint.h>
+
+#include <stdio.h>
+
+namespace {
+
+class DemoInstance : public pp::Instance, public pp::Graphics3DClient {
+public:
+    DemoInstance(PP_Instance instance);
+    virtual ~DemoInstance();
+    // pp::Instance implementation (see PPP_Instance).
+    virtual bool Init(uint32_t argc, const char* argn[], const char* argv[]);
+    virtual void DidChangeView(const pp::Rect& position,
+                                                         const pp::Rect& clip);
+    virtual bool HandleInputEvent(const pp::InputEvent& event) {
+        // TODO(yzshen): Handle input events.
+        return true;
+    }
+    // pp::Graphics3DClient implementation.
+    virtual void Graphics3DContextLost();
+private:
+    // GL-related functions.
+    void InitGL(int32_t result);
+    void Paint(int32_t result);
+    pp::Size plugin_size_;
+    pp::CompletionCallbackFactory<DemoInstance> callback_factory_;
+    // Owned data.
+    pp::Graphics3D* context_;
+    SpinningCube cube_;
+};
+
+DemoInstance::DemoInstance(PP_Instance instance)
+        : pp::Instance(instance),
+            pp::Graphics3DClient(this),
+            callback_factory_(this),
+            context_(NULL) {}
+
+DemoInstance::~DemoInstance() {
+    assert(glTerminatePPAPI());
+    delete context_;
+}
+
+bool DemoInstance::Init(uint32_t /*argc*/,
+                                                const char* /*argn*/[],
+                                                const char* /*argv*/[]) {
+    RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
+    return !!glInitializePPAPI(pp::Module::Get()->get_browser_interface());
+}
+
+void DemoInstance::DidChangeView(
+        const pp::Rect& position, const pp::Rect& /*clip*/) {
+    if (position.width() == 0 || position.height() == 0)
+        return;
+    plugin_size_ = position.size();
+    // Initialize graphics.
+    InitGL(0);
+}
+
+void DemoInstance::Graphics3DContextLost() {
+    delete context_;
+    context_ = NULL;
+    pp::CompletionCallback cb = callback_factory_.NewCallback(
+            &DemoInstance::InitGL);
+    pp::Module::Get()->core()->CallOnMainThread(0, cb, 0);
+}
+
+void DemoInstance::InitGL(int32_t /*result*/) {
+    assert(plugin_size_.width() && plugin_size_.height());
+    if (context_) {
+        context_->ResizeBuffers(plugin_size_.width(), plugin_size_.height());
+        return;
+    }
+    int32_t context_attributes[] = {
+        PP_GRAPHICS3DATTRIB_ALPHA_SIZE, 8,
+        PP_GRAPHICS3DATTRIB_BLUE_SIZE, 8,
+        PP_GRAPHICS3DATTRIB_GREEN_SIZE, 8,
+        PP_GRAPHICS3DATTRIB_RED_SIZE, 8,
+        PP_GRAPHICS3DATTRIB_DEPTH_SIZE, 0,
+        PP_GRAPHICS3DATTRIB_STENCIL_SIZE, 0,
+        PP_GRAPHICS3DATTRIB_SAMPLES, 0,
+        PP_GRAPHICS3DATTRIB_SAMPLE_BUFFERS, 0,
+        PP_GRAPHICS3DATTRIB_WIDTH, plugin_size_.width(),
+        PP_GRAPHICS3DATTRIB_HEIGHT, plugin_size_.height(),
+        PP_GRAPHICS3DATTRIB_NONE,
+    };
+    context_ = new pp::Graphics3D(this, context_attributes);
+    assert(!context_->is_null());
+    assert(BindGraphics(*context_));
+    glSetCurrentContextPPAPI(context_->pp_resource());
+    cube_.Init(plugin_size_.width(), plugin_size_.height());
+    Paint(PP_OK);
+}
+
+void DemoInstance::Paint(int32_t result) {
+    if (result != PP_OK || !context_)
+        return;
+    cube_.UpdateForTimeDelta(0.02f);
+    cube_.Draw();
+    context_->SwapBuffers(callback_factory_.NewCallback(&DemoInstance::Paint));
+}
+
+// This object is the global object representing this plugin library as long
+// as it is loaded.
+class DemoModule : public pp::Module {
+public:
+    DemoModule() : Module() {}
+    virtual ~DemoModule() {}
+    virtual pp::Instance* CreateInstance(PP_Instance instance) {
+        return new DemoInstance(instance);
+    }
+};
+
+}
+
+// anonymous namespace
+namespace pp {
+    // Factory function for your specialization of the Module object.
+    Module* CreateModule() {
+        return new DemoModule();
+    }
+}    // namespace pp
+