From 6c64b56cc80522c323a39d03d7fb2369350e2470 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 13 Jun 2013 15:37:13 +0200
Subject: [PATCH 1/2] Platform: redirect debug output to JS console in
 NaClApplication.

---
 src/Platform/NaClApplication.cpp | 20 ++++++++++++++++++++
 src/Platform/NaClApplication.h   | 17 +++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/src/Platform/NaClApplication.cpp b/src/Platform/NaClApplication.cpp
index 40906b7df..c00ee9df5 100644
--- a/src/Platform/NaClApplication.cpp
+++ b/src/Platform/NaClApplication.cpp
@@ -27,16 +27,35 @@
 #include <ppapi/cpp/graphics_3d.h>
 #include <ppapi/cpp/fullscreen.h>
 #include <ppapi/cpp/completion_callback.h>
+#include <Utility/NaClStreamBuffer.h>
 
 #include "Context.h"
 
 namespace Magnum { namespace Platform {
 
+struct NaClApplication::ConsoleDebugOutput {
+    explicit ConsoleDebugOutput(pp::Instance* instance);
+
+    Utility::NaClConsoleStreamBuffer debugBuffer, warningBuffer, errorBuffer;
+    std::ostream debugOutput, warningOutput, errorOutput;
+};
+
+NaClApplication::ConsoleDebugOutput::ConsoleDebugOutput(pp::Instance* instance): debugBuffer(instance, Utility::NaClConsoleStreamBuffer::LogLevel::Log), warningBuffer(instance, Utility::NaClConsoleStreamBuffer::LogLevel::Warning), errorBuffer(instance, Utility::NaClConsoleStreamBuffer::LogLevel::Error), debugOutput(&debugBuffer), warningOutput(&warningBuffer), errorOutput(&errorBuffer) {
+    /* Inform about this change on standard output */
+    Debug() << "Platform::NaClApplication: redirecting Debug, Warning and Error output to JavaScript console";
+
+    Debug::setOutput(&debugOutput);
+    Warning::setOutput(&warningOutput);
+    Error::setOutput(&errorOutput);
+}
+
 NaClApplication::NaClApplication(const Arguments& arguments): Instance(arguments), Graphics3DClient(this), MouseLock(this), c(nullptr) {
+    debugOutput = new ConsoleDebugOutput(this);
     createContext(new Configuration);
 }
 
 NaClApplication::NaClApplication(const Arguments& arguments, Configuration* configuration): Instance(arguments), Graphics3DClient(this), MouseLock(this), graphics(nullptr), fullscreen(nullptr), c(nullptr) {
+    debugOutput = new ConsoleDebugOutput(this);
     if(configuration) createContext(configuration);
 }
 
@@ -95,6 +114,7 @@ NaClApplication::~NaClApplication() {
     delete c;
     delete fullscreen;
     delete graphics;
+    delete debugOutput;
 }
 
 bool NaClApplication::isFullscreen() {
diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 09772f9a8..289b12f0c 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -70,6 +70,19 @@ MAGNUM_NACLAPPLICATION_MAIN(MyApplication)
 If no other application header is included this class is also aliased to
 `Platform::Application` and the macro is aliased to `MAGNUM_APPLICATION_MAIN()`
 to simplify porting.
+
+@section NaClApplication-html HTML markup and NMF file
+
+You need to provide HTML markup containing `&lt;embed&gt;` pointing to `*.nmf`
+file describing the application.
+
+@todoc Document this better, add "bootstrap" examples
+
+@subsection NaClApplication-html-console Redirecting output to Chrome's JavaScript console
+
+The application redirects @ref Debug, @ref Warning and @ref Error output to
+JavaScript console. See also @ref Corrade::Utility::NaClConsoleStreamBuffer for
+more information.
 */
 class NaClApplication: public pp::Instance, public pp::Graphics3DClient, public pp::MouseLock {
     public:
@@ -210,6 +223,8 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient, public
         /*@}*/
 
     private:
+        struct ConsoleDebugOutput;
+
         enum class Flag: UnsignedByte {
             ViewportUpdated = 1 << 0,
             SwapInProgress = 1 << 1,
@@ -241,6 +256,8 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient, public
         Vector2i viewportSize;
         Flags flags;
 
+        ConsoleDebugOutput* debugOutput;
+
         CORRADE_ENUMSET_FRIEND_OPERATORS(Flags)
 };
 

From 902b368207002ba1bdb79e609ada370bc78e5f9b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 13 Jun 2013 15:37:42 +0200
Subject: [PATCH 2/2] Platform: fixed copypaste error.

---
 src/Platform/NaClApplication.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 289b12f0c..ed33f57b2 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -61,7 +61,7 @@ You need to implement at least drawEvent() and viewportEvent() to be able to
 draw on the screen. The subclass must be then registered to NaCl API using
 MAGNUM_NACLAPPLICATION_MAIN() macro.
 @code
-class MyApplication: public Magnum::Platform::Sdl2Application {
+class MyApplication: public Magnum::Platform::NaClApplication {
     // implement required methods...
 };
 MAGNUM_NACLAPPLICATION_MAIN(MyApplication)