gfx/layers/LayerScope.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/LayerScope.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,845 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/* This must occur *after* layers/PLayers.h to avoid typedefs conflicts. */
    1.10 +#include "LayerScope.h"
    1.11 +
    1.12 +#include "Composer2D.h"
    1.13 +#include "Effects.h"
    1.14 +#include "mozilla/TimeStamp.h"
    1.15 +#include "mozilla/Preferences.h"
    1.16 +#include "mozilla/Endian.h"
    1.17 +#include "TexturePoolOGL.h"
    1.18 +#include "mozilla/layers/TextureHostOGL.h"
    1.19 +
    1.20 +#include "gfxColor.h"
    1.21 +#include "gfxContext.h"
    1.22 +#include "gfxUtils.h"
    1.23 +#include "gfxPrefs.h"
    1.24 +#include "nsIWidget.h"
    1.25 +
    1.26 +#include "GLContext.h"
    1.27 +#include "GLContextProvider.h"
    1.28 +#include "GLReadTexImageHelper.h"
    1.29 +
    1.30 +#include "nsIServiceManager.h"
    1.31 +#include "nsIConsoleService.h"
    1.32 +
    1.33 +#include <memory>
    1.34 +#include "mozilla/LinkedList.h"
    1.35 +#include "mozilla/Base64.h"
    1.36 +#include "mozilla/SHA1.h"
    1.37 +#include "mozilla/StaticPtr.h"
    1.38 +#include "nsThreadUtils.h"
    1.39 +#include "nsISocketTransport.h"
    1.40 +#include "nsIServerSocket.h"
    1.41 +#include "nsReadLine.h"
    1.42 +#include "nsNetCID.h"
    1.43 +#include "nsIOutputStream.h"
    1.44 +#include "nsIAsyncInputStream.h"
    1.45 +#include "nsIEventTarget.h"
    1.46 +#include "nsProxyRelease.h"
    1.47 +
    1.48 +// Undo the damage done by mozzconf.h
    1.49 +#undef compress
    1.50 +#include "mozilla/Compression.h"
    1.51 +
    1.52 +#ifdef __GNUC__
    1.53 +#define PACKED_STRUCT __attribute__((packed))
    1.54 +#else
    1.55 +#define PACKED_STRUCT
    1.56 +#endif
    1.57 +
    1.58 +namespace mozilla {
    1.59 +namespace layers {
    1.60 +
    1.61 +using namespace mozilla::Compression;
    1.62 +using namespace mozilla::gfx;
    1.63 +using namespace mozilla::gl;
    1.64 +using namespace mozilla;
    1.65 +
    1.66 +class DebugDataSender;
    1.67 +class DebugGLData;
    1.68 +
    1.69 +/* This class handle websocket protocol which included
    1.70 + * handshake and data frame's header
    1.71 + */
    1.72 +class LayerScopeWebSocketHandler : public nsIInputStreamCallback {
    1.73 +public:
    1.74 +    NS_DECL_THREADSAFE_ISUPPORTS
    1.75 +
    1.76 +    enum SocketStateType {
    1.77 +        NoHandshake,
    1.78 +        HandshakeSuccess,
    1.79 +        HandshakeFailed
    1.80 +    };
    1.81 +
    1.82 +    LayerScopeWebSocketHandler()
    1.83 +        : mState(NoHandshake)
    1.84 +    { }
    1.85 +
    1.86 +    virtual ~LayerScopeWebSocketHandler()
    1.87 +    {
    1.88 +        if (mTransport) {
    1.89 +            mTransport->Close(NS_OK);
    1.90 +        }
    1.91 +    }
    1.92 +
    1.93 +    void OpenStream(nsISocketTransport* aTransport) {
    1.94 +        MOZ_ASSERT(aTransport);
    1.95 +
    1.96 +        mTransport = aTransport;
    1.97 +        mTransport->OpenOutputStream(nsITransport::OPEN_BLOCKING,
    1.98 +                                     0,
    1.99 +                                     0,
   1.100 +                                     getter_AddRefs(mOutputStream));
   1.101 +
   1.102 +        nsCOMPtr<nsIInputStream> debugInputStream;
   1.103 +        mTransport->OpenInputStream(0,
   1.104 +                                    0,
   1.105 +                                    0,
   1.106 +                                    getter_AddRefs(debugInputStream));
   1.107 +        mInputStream = do_QueryInterface(debugInputStream);
   1.108 +        mInputStream->AsyncWait(this, 0, 0, NS_GetCurrentThread());
   1.109 +    }
   1.110 +
   1.111 +    bool WriteToStream(void *ptr, uint32_t size) {
   1.112 +        if (mState == NoHandshake) {
   1.113 +            // Not yet handshake, just return true in case of
   1.114 +            // LayerScope remove this handle
   1.115 +            return true;
   1.116 +        } else if (mState == HandshakeFailed) {
   1.117 +            return false;
   1.118 +        }
   1.119 +
   1.120 +        // Generate WebSocket header
   1.121 +        uint8_t wsHeader[10];
   1.122 +        int wsHeaderSize = 0;
   1.123 +        const uint8_t opcode = 0x2;
   1.124 +        wsHeader[0] = 0x80 | (opcode & 0x0f); // FIN + opcode;
   1.125 +        if (size <= 125) {
   1.126 +            wsHeaderSize = 2;
   1.127 +            wsHeader[1] = size;
   1.128 +        } else if (size < 65536) {
   1.129 +            wsHeaderSize = 4;
   1.130 +            wsHeader[1] = 0x7E;
   1.131 +            NetworkEndian::writeUint16(wsHeader + 2, size);
   1.132 +        } else {
   1.133 +            wsHeaderSize = 10;
   1.134 +            wsHeader[1] = 0x7F;
   1.135 +            NetworkEndian::writeUint64(wsHeader + 2, size);
   1.136 +        }
   1.137 +
   1.138 +        // Send WebSocket header
   1.139 +        nsresult rv;
   1.140 +        uint32_t cnt;
   1.141 +        rv = mOutputStream->Write(reinterpret_cast<char*>(wsHeader),
   1.142 +                                 wsHeaderSize, &cnt);
   1.143 +        if (NS_FAILED(rv))
   1.144 +            return false;
   1.145 +
   1.146 +        uint32_t written = 0;
   1.147 +        while (written < size) {
   1.148 +            uint32_t cnt;
   1.149 +            rv = mOutputStream->Write(reinterpret_cast<char*>(ptr) + written,
   1.150 +                                     size - written, &cnt);
   1.151 +            if (NS_FAILED(rv))
   1.152 +                return false;
   1.153 +
   1.154 +            written += cnt;
   1.155 +        }
   1.156 +
   1.157 +        return true;
   1.158 +    }
   1.159 +
   1.160 +    // nsIInputStreamCallback
   1.161 +    NS_IMETHODIMP OnInputStreamReady(nsIAsyncInputStream *stream) MOZ_OVERRIDE
   1.162 +    {
   1.163 +        nsTArray<nsCString> protocolString;
   1.164 +        ReadInputStreamData(protocolString);
   1.165 +
   1.166 +        if (WebSocketHandshake(protocolString)) {
   1.167 +            mState = HandshakeSuccess;
   1.168 +        } else {
   1.169 +            mState = HandshakeFailed;
   1.170 +        }
   1.171 +        return NS_OK;
   1.172 +    }
   1.173 +private:
   1.174 +    void ReadInputStreamData(nsTArray<nsCString>& aProtocolString)
   1.175 +    {
   1.176 +        nsLineBuffer<char> lineBuffer;
   1.177 +        nsCString line;
   1.178 +        bool more = true;
   1.179 +        do {
   1.180 +            NS_ReadLine(mInputStream.get(), &lineBuffer, line, &more);
   1.181 +
   1.182 +            if (line.Length() > 0) {
   1.183 +                aProtocolString.AppendElement(line);
   1.184 +            }
   1.185 +        } while (more && line.Length() > 0);
   1.186 +    }
   1.187 +
   1.188 +    bool WebSocketHandshake(nsTArray<nsCString>& aProtocolString)
   1.189 +    {
   1.190 +        nsresult rv;
   1.191 +        bool isWebSocket = false;
   1.192 +        nsCString version;
   1.193 +        nsCString wsKey;
   1.194 +        nsCString protocol;
   1.195 +
   1.196 +        // Validate WebSocket client request.
   1.197 +        if (aProtocolString.Length() == 0)
   1.198 +            return false;
   1.199 +
   1.200 +        // Check that the HTTP method is GET
   1.201 +        const char* HTTP_METHOD = "GET ";
   1.202 +        if (strncmp(aProtocolString[0].get(), HTTP_METHOD, strlen(HTTP_METHOD)) != 0) {
   1.203 +            return false;
   1.204 +        }
   1.205 +
   1.206 +        for (uint32_t i = 1; i < aProtocolString.Length(); ++i) {
   1.207 +            const char* line = aProtocolString[i].get();
   1.208 +            const char* prop_pos = strchr(line, ':');
   1.209 +            if (prop_pos != nullptr) {
   1.210 +                nsCString key(line, prop_pos - line);
   1.211 +                nsCString value(prop_pos + 2);
   1.212 +                if (key.EqualsIgnoreCase("upgrade") &&
   1.213 +                    value.EqualsIgnoreCase("websocket")) {
   1.214 +                    isWebSocket = true;
   1.215 +                } else if (key.EqualsIgnoreCase("sec-websocket-version")) {
   1.216 +                    version = value;
   1.217 +                } else if (key.EqualsIgnoreCase("sec-websocket-key")) {
   1.218 +                    wsKey = value;
   1.219 +                } else if (key.EqualsIgnoreCase("sec-websocket-protocol")) {
   1.220 +                    protocol = value;
   1.221 +                }
   1.222 +            }
   1.223 +        }
   1.224 +
   1.225 +        if (!isWebSocket) {
   1.226 +            return false;
   1.227 +        }
   1.228 +
   1.229 +        if (!(version.Equals("7") || version.Equals("8") || version.Equals("13"))) {
   1.230 +            return false;
   1.231 +        }
   1.232 +
   1.233 +        if (!(protocol.EqualsIgnoreCase("binary"))) {
   1.234 +            return false;
   1.235 +        }
   1.236 +
   1.237 +        // Client request is valid. Start to generate and send server response.
   1.238 +        nsAutoCString guid("258EAFA5-E914-47DA-95CA-C5AB0DC85B11");
   1.239 +        nsAutoCString res;
   1.240 +        SHA1Sum sha1;
   1.241 +        nsCString combined(wsKey + guid);
   1.242 +        sha1.update(combined.get(), combined.Length());
   1.243 +        uint8_t digest[SHA1Sum::HashSize]; // SHA1 digests are 20 bytes long.
   1.244 +        sha1.finish(digest);
   1.245 +        nsCString newString(reinterpret_cast<char*>(digest), SHA1Sum::HashSize);
   1.246 +        Base64Encode(newString, res);
   1.247 +
   1.248 +        nsCString response("HTTP/1.1 101 Switching Protocols\r\n");
   1.249 +        response.Append("Upgrade: websocket\r\n");
   1.250 +        response.Append("Connection: Upgrade\r\n");
   1.251 +        response.Append(nsCString("Sec-WebSocket-Accept: ") + res + nsCString("\r\n"));
   1.252 +        response.Append("Sec-WebSocket-Protocol: binary\r\n\r\n");
   1.253 +        uint32_t written = 0;
   1.254 +        uint32_t size = response.Length();
   1.255 +        while (written < size) {
   1.256 +            uint32_t cnt;
   1.257 +            rv = mOutputStream->Write(const_cast<char*>(response.get()) + written,
   1.258 +                                     size - written, &cnt);
   1.259 +            if (NS_FAILED(rv))
   1.260 +                return false;
   1.261 +
   1.262 +            written += cnt;
   1.263 +        }
   1.264 +        mOutputStream->Flush();
   1.265 +
   1.266 +        return true;
   1.267 +    }
   1.268 +
   1.269 +    nsCOMPtr<nsIOutputStream> mOutputStream;
   1.270 +    nsCOMPtr<nsIAsyncInputStream> mInputStream;
   1.271 +    nsCOMPtr<nsISocketTransport> mTransport;
   1.272 +    SocketStateType mState;
   1.273 +};
   1.274 +
   1.275 +NS_IMPL_ISUPPORTS(LayerScopeWebSocketHandler, nsIInputStreamCallback);
   1.276 +
   1.277 +class LayerScopeWebSocketManager {
   1.278 +public:
   1.279 +    LayerScopeWebSocketManager();
   1.280 +    ~LayerScopeWebSocketManager();
   1.281 +
   1.282 +    void AddConnection(nsISocketTransport *aTransport)
   1.283 +    {
   1.284 +        MOZ_ASSERT(aTransport);
   1.285 +        nsRefPtr<LayerScopeWebSocketHandler> temp = new LayerScopeWebSocketHandler();
   1.286 +        temp->OpenStream(aTransport);
   1.287 +        mHandlers.AppendElement(temp.get());
   1.288 +    }
   1.289 +
   1.290 +    void RemoveConnection(uint32_t aIndex)
   1.291 +    {
   1.292 +        MOZ_ASSERT(aIndex < mHandlers.Length());
   1.293 +        mHandlers.RemoveElementAt(aIndex);
   1.294 +    }
   1.295 +
   1.296 +    void RemoveAllConnections()
   1.297 +    {
   1.298 +        mHandlers.Clear();
   1.299 +    }
   1.300 +
   1.301 +    bool WriteAll(void *ptr, uint32_t size)
   1.302 +    {
   1.303 +        for (int32_t i = mHandlers.Length() - 1; i >= 0; --i) {
   1.304 +            if (!mHandlers[i]->WriteToStream(ptr, size)) {
   1.305 +                // Send failed, remove this handler
   1.306 +                RemoveConnection(i);
   1.307 +            }
   1.308 +        }
   1.309 +
   1.310 +        return true;
   1.311 +    }
   1.312 +
   1.313 +    bool IsConnected()
   1.314 +    {
   1.315 +        return (mHandlers.Length() != 0) ? true : false;
   1.316 +    }
   1.317 +
   1.318 +    void AppendDebugData(DebugGLData *aDebugData);
   1.319 +    void DispatchDebugData();
   1.320 +private:
   1.321 +    nsTArray<nsRefPtr<LayerScopeWebSocketHandler> > mHandlers;
   1.322 +    nsCOMPtr<nsIThread> mDebugSenderThread;
   1.323 +    nsRefPtr<DebugDataSender> mCurrentSender;
   1.324 +    nsCOMPtr<nsIServerSocket> mServerSocket;
   1.325 +};
   1.326 +
   1.327 +static StaticAutoPtr<LayerScopeWebSocketManager> gLayerScopeWebSocketManager;
   1.328 +
   1.329 +class DebugGLData : public LinkedListElement<DebugGLData> {
   1.330 +public:
   1.331 +    typedef enum {
   1.332 +        FrameStart,
   1.333 +        FrameEnd,
   1.334 +        TextureData,
   1.335 +        ColorData
   1.336 +    } DataType;
   1.337 +
   1.338 +    virtual ~DebugGLData() { }
   1.339 +
   1.340 +    DataType GetDataType() const { return mDataType; }
   1.341 +    intptr_t GetContextAddress() const { return mContextAddress; }
   1.342 +    int64_t GetValue() const { return mValue; }
   1.343 +
   1.344 +    DebugGLData(DataType dataType)
   1.345 +        : mDataType(dataType),
   1.346 +          mContextAddress(0),
   1.347 +          mValue(0)
   1.348 +    { }
   1.349 +
   1.350 +    DebugGLData(DataType dataType, GLContext* cx)
   1.351 +        : mDataType(dataType),
   1.352 +          mContextAddress(reinterpret_cast<intptr_t>(cx)),
   1.353 +          mValue(0)
   1.354 +    { }
   1.355 +
   1.356 +    DebugGLData(DataType dataType, GLContext* cx, int64_t value)
   1.357 +        : mDataType(dataType),
   1.358 +          mContextAddress(reinterpret_cast<intptr_t>(cx)),
   1.359 +          mValue(value)
   1.360 +    { }
   1.361 +
   1.362 +    virtual bool Write() {
   1.363 +        if (mDataType != FrameStart &&
   1.364 +            mDataType != FrameEnd)
   1.365 +        {
   1.366 +            NS_WARNING("Unimplemented data type!");
   1.367 +            return false;
   1.368 +        }
   1.369 +
   1.370 +        DebugGLData::BasicPacket packet;
   1.371 +
   1.372 +        packet.type = mDataType;
   1.373 +        packet.ptr = static_cast<uint64_t>(mContextAddress);
   1.374 +        packet.value = mValue;
   1.375 +
   1.376 +        return WriteToStream(&packet, sizeof(packet));
   1.377 +    }
   1.378 +
   1.379 +    static bool WriteToStream(void *ptr, uint32_t size) {
   1.380 +        if (!gLayerScopeWebSocketManager)
   1.381 +            return true;
   1.382 +        return gLayerScopeWebSocketManager->WriteAll(ptr, size);
   1.383 +    }
   1.384 +
   1.385 +protected:
   1.386 +    DataType mDataType;
   1.387 +    intptr_t mContextAddress;
   1.388 +    int64_t mValue;
   1.389 +
   1.390 +public:
   1.391 +  // the data packet formats; all packed
   1.392 +#ifdef _MSC_VER
   1.393 +#pragma pack(push, 1)
   1.394 +#endif
   1.395 +    typedef struct {
   1.396 +        uint32_t type;
   1.397 +        uint64_t ptr;
   1.398 +        uint64_t value;
   1.399 +    } PACKED_STRUCT BasicPacket;
   1.400 +
   1.401 +    typedef struct {
   1.402 +        uint32_t type;
   1.403 +        uint64_t ptr;
   1.404 +        uint64_t layerref;
   1.405 +        uint32_t color;
   1.406 +        uint32_t width;
   1.407 +        uint32_t height;
   1.408 +    } PACKED_STRUCT ColorPacket;
   1.409 +
   1.410 +    typedef struct {
   1.411 +        uint32_t type;
   1.412 +        uint64_t ptr;
   1.413 +        uint64_t layerref;
   1.414 +        uint32_t name;
   1.415 +        uint32_t width;
   1.416 +        uint32_t height;
   1.417 +        uint32_t stride;
   1.418 +        uint32_t format;
   1.419 +        uint32_t target;
   1.420 +        uint32_t dataFormat;
   1.421 +        uint32_t dataSize;
   1.422 +    } PACKED_STRUCT TexturePacket;
   1.423 +#ifdef _MSC_VER
   1.424 +#pragma pack(pop)
   1.425 +#endif
   1.426 +};
   1.427 +
   1.428 +class DebugGLTextureData : public DebugGLData {
   1.429 +public:
   1.430 +    DebugGLTextureData(GLContext* cx, void* layerRef, GLuint target, GLenum name, DataSourceSurface* img)
   1.431 +        : DebugGLData(DebugGLData::TextureData, cx),
   1.432 +          mLayerRef(layerRef),
   1.433 +          mTarget(target),
   1.434 +          mName(name),
   1.435 +          mImage(img)
   1.436 +    { }
   1.437 +
   1.438 +    void *GetLayerRef() const { return mLayerRef; }
   1.439 +    GLuint GetName() const { return mName; }
   1.440 +    DataSourceSurface* GetImage() const { return mImage; }
   1.441 +    GLenum GetTextureTarget() const { return mTarget; }
   1.442 +
   1.443 +    virtual bool Write() {
   1.444 +        DebugGLData::TexturePacket packet;
   1.445 +        char* dataptr = nullptr;
   1.446 +        uint32_t datasize = 0;
   1.447 +        std::auto_ptr<char> compresseddata;
   1.448 +
   1.449 +        packet.type = mDataType;
   1.450 +        packet.ptr = static_cast<uint64_t>(mContextAddress);
   1.451 +        packet.layerref = reinterpret_cast<uint64_t>(mLayerRef);
   1.452 +        packet.name = mName;
   1.453 +        packet.format = 0;
   1.454 +        packet.target = mTarget;
   1.455 +        packet.dataFormat = LOCAL_GL_RGBA;
   1.456 +
   1.457 +        if (mImage) {
   1.458 +            packet.width = mImage->GetSize().width;
   1.459 +            packet.height = mImage->GetSize().height;
   1.460 +            packet.stride = mImage->Stride();
   1.461 +            packet.dataSize = mImage->GetSize().height * mImage->Stride();
   1.462 +
   1.463 +            dataptr = (char*) mImage->GetData();
   1.464 +            datasize = packet.dataSize;
   1.465 +
   1.466 +            compresseddata = std::auto_ptr<char>((char*) moz_malloc(LZ4::maxCompressedSize(datasize)));
   1.467 +            if (compresseddata.get()) {
   1.468 +                int ndatasize = LZ4::compress(dataptr, datasize, compresseddata.get());
   1.469 +                if (ndatasize > 0) {
   1.470 +                    datasize = ndatasize;
   1.471 +                    dataptr = compresseddata.get();
   1.472 +
   1.473 +                    packet.dataFormat = (1 << 16) | packet.dataFormat;
   1.474 +                    packet.dataSize = datasize;
   1.475 +                }
   1.476 +            }
   1.477 +        } else {
   1.478 +            packet.width = 0;
   1.479 +            packet.height = 0;
   1.480 +            packet.stride = 0;
   1.481 +            packet.dataSize = 0;
   1.482 +        }
   1.483 +
   1.484 +        // write the packet header data
   1.485 +        if (!WriteToStream(&packet, sizeof(packet)))
   1.486 +            return false;
   1.487 +
   1.488 +        // then the image data
   1.489 +        if (!WriteToStream(dataptr, datasize))
   1.490 +            return false;
   1.491 +
   1.492 +        // then pad out to 4 bytes
   1.493 +        if (datasize % 4 != 0) {
   1.494 +            static char buf[] = { 0, 0, 0, 0 };
   1.495 +            if (!WriteToStream(buf, 4 - (datasize % 4)))
   1.496 +                return false;
   1.497 +        }
   1.498 +
   1.499 +        return true;
   1.500 +    }
   1.501 +
   1.502 +protected:
   1.503 +    void* mLayerRef;
   1.504 +    GLenum mTarget;
   1.505 +    GLuint mName;
   1.506 +    RefPtr<DataSourceSurface> mImage;
   1.507 +};
   1.508 +
   1.509 +class DebugGLColorData : public DebugGLData {
   1.510 +public:
   1.511 +    DebugGLColorData(void* layerRef, const gfxRGBA& color, int width, int height)
   1.512 +        : DebugGLData(DebugGLData::ColorData),
   1.513 +          mColor(color.Packed()),
   1.514 +          mSize(width, height)
   1.515 +    { }
   1.516 +
   1.517 +    void *GetLayerRef() const { return mLayerRef; }
   1.518 +    uint32_t GetColor() const { return mColor; }
   1.519 +    const nsIntSize& GetSize() const { return mSize; }
   1.520 +
   1.521 +    virtual bool Write() {
   1.522 +        DebugGLData::ColorPacket packet;
   1.523 +
   1.524 +        packet.type = mDataType;
   1.525 +        packet.ptr = static_cast<uint64_t>(mContextAddress);
   1.526 +        packet.layerref = reinterpret_cast<uintptr_t>(mLayerRef);
   1.527 +        packet.color = mColor;
   1.528 +        packet.width = mSize.width;
   1.529 +        packet.height = mSize.height;
   1.530 +
   1.531 +        return WriteToStream(&packet, sizeof(packet));
   1.532 +    }
   1.533 +
   1.534 +protected:
   1.535 +    void *mLayerRef;
   1.536 +    uint32_t mColor;
   1.537 +    nsIntSize mSize;
   1.538 +};
   1.539 +
   1.540 +static bool
   1.541 +CheckSender()
   1.542 +{
   1.543 +    if (!gLayerScopeWebSocketManager)
   1.544 +        return false;
   1.545 +
   1.546 +    if (!gLayerScopeWebSocketManager->IsConnected())
   1.547 +        return false;
   1.548 +
   1.549 +    return true;
   1.550 +}
   1.551 +
   1.552 +class DebugListener : public nsIServerSocketListener
   1.553 +{
   1.554 +public:
   1.555 +
   1.556 +    NS_DECL_THREADSAFE_ISUPPORTS
   1.557 +
   1.558 +    DebugListener() { }
   1.559 +    virtual ~DebugListener() { }
   1.560 +
   1.561 +    /* nsIServerSocketListener */
   1.562 +
   1.563 +    NS_IMETHODIMP OnSocketAccepted(nsIServerSocket *aServ,
   1.564 +                                   nsISocketTransport *aTransport)
   1.565 +    {
   1.566 +        if (!gLayerScopeWebSocketManager)
   1.567 +            return NS_OK;
   1.568 +
   1.569 +        printf_stderr("*** LayerScope: Accepted connection\n");
   1.570 +        gLayerScopeWebSocketManager->AddConnection(aTransport);
   1.571 +        return NS_OK;
   1.572 +    }
   1.573 +
   1.574 +    NS_IMETHODIMP OnStopListening(nsIServerSocket *aServ,
   1.575 +                                  nsresult aStatus)
   1.576 +    {
   1.577 +        return NS_OK;
   1.578 +    }
   1.579 +};
   1.580 +
   1.581 +NS_IMPL_ISUPPORTS(DebugListener, nsIServerSocketListener);
   1.582 +
   1.583 +
   1.584 +class DebugDataSender : public nsIRunnable
   1.585 +{
   1.586 +public:
   1.587 +
   1.588 +    NS_DECL_THREADSAFE_ISUPPORTS
   1.589 +
   1.590 +    DebugDataSender() {
   1.591 +        mList = new LinkedList<DebugGLData>();
   1.592 +    }
   1.593 +
   1.594 +    virtual ~DebugDataSender() {
   1.595 +        Cleanup();
   1.596 +    }
   1.597 +
   1.598 +    void Append(DebugGLData *d) {
   1.599 +        mList->insertBack(d);
   1.600 +    }
   1.601 +
   1.602 +    void Cleanup() {
   1.603 +        if (!mList)
   1.604 +            return;
   1.605 +
   1.606 +        DebugGLData *d;
   1.607 +        while ((d = mList->popFirst()) != nullptr)
   1.608 +            delete d;
   1.609 +        delete mList;
   1.610 +
   1.611 +        mList = nullptr;
   1.612 +    }
   1.613 +
   1.614 +    /* nsIRunnable impl; send the data */
   1.615 +
   1.616 +    NS_IMETHODIMP Run() {
   1.617 +        DebugGLData *d;
   1.618 +        nsresult rv = NS_OK;
   1.619 +
   1.620 +        while ((d = mList->popFirst()) != nullptr) {
   1.621 +            std::auto_ptr<DebugGLData> cleaner(d);
   1.622 +            if (!d->Write()) {
   1.623 +                rv = NS_ERROR_FAILURE;
   1.624 +                break;
   1.625 +            }
   1.626 +        }
   1.627 +
   1.628 +        Cleanup();
   1.629 +
   1.630 +        if (NS_FAILED(rv)) {
   1.631 +            LayerScope::DestroyServerSocket();
   1.632 +        }
   1.633 +
   1.634 +        return NS_OK;
   1.635 +    }
   1.636 +
   1.637 +protected:
   1.638 +    LinkedList<DebugGLData> *mList;
   1.639 +};
   1.640 +
   1.641 +NS_IMPL_ISUPPORTS(DebugDataSender, nsIRunnable);
   1.642 +
   1.643 +void
   1.644 +LayerScope::CreateServerSocket()
   1.645 +{
   1.646 +    if (!gfxPrefs::LayerScopeEnabled()) {
   1.647 +        return;
   1.648 +    }
   1.649 +
   1.650 +    if (!gLayerScopeWebSocketManager) {
   1.651 +        gLayerScopeWebSocketManager = new LayerScopeWebSocketManager();
   1.652 +    }
   1.653 +}
   1.654 +
   1.655 +void
   1.656 +LayerScope::DestroyServerSocket()
   1.657 +{
   1.658 +    if (gLayerScopeWebSocketManager) {
   1.659 +        gLayerScopeWebSocketManager->RemoveAllConnections();
   1.660 +    }
   1.661 +}
   1.662 +
   1.663 +void
   1.664 +LayerScope::BeginFrame(GLContext* aGLContext, int64_t aFrameStamp)
   1.665 +{
   1.666 +    if (!gLayerScopeWebSocketManager)
   1.667 +        return;
   1.668 +
   1.669 +    if (!gLayerScopeWebSocketManager->IsConnected())
   1.670 +        return;
   1.671 +
   1.672 +#if 0
   1.673 +    // if we're sending data in between frames, flush the list down the socket,
   1.674 +    // and start a new one
   1.675 +    if (gCurrentSender) {
   1.676 +        gDebugSenderThread->Dispatch(gCurrentSender, NS_DISPATCH_NORMAL);
   1.677 +    }
   1.678 +#endif
   1.679 +
   1.680 +    gLayerScopeWebSocketManager->AppendDebugData(new DebugGLData(DebugGLData::FrameStart, aGLContext, aFrameStamp));
   1.681 +}
   1.682 +
   1.683 +void
   1.684 +LayerScope::EndFrame(GLContext* aGLContext)
   1.685 +{
   1.686 +    if (!CheckSender())
   1.687 +        return;
   1.688 +
   1.689 +    gLayerScopeWebSocketManager->AppendDebugData(new DebugGLData(DebugGLData::FrameEnd, aGLContext));
   1.690 +    gLayerScopeWebSocketManager->DispatchDebugData();
   1.691 +}
   1.692 +
   1.693 +static void
   1.694 +SendColor(void* aLayerRef, const gfxRGBA& aColor, int aWidth, int aHeight)
   1.695 +{
   1.696 +    if (!CheckSender())
   1.697 +        return;
   1.698 +
   1.699 +    gLayerScopeWebSocketManager->AppendDebugData(
   1.700 +        new DebugGLColorData(aLayerRef, aColor, aWidth, aHeight));
   1.701 +}
   1.702 +
   1.703 +static void
   1.704 +SendTextureSource(GLContext* aGLContext,
   1.705 +                  void* aLayerRef,
   1.706 +                  TextureSourceOGL* aSource,
   1.707 +                  bool aFlipY)
   1.708 +{
   1.709 +    GLenum textureTarget = aSource->GetTextureTarget();
   1.710 +    ShaderConfigOGL config = ShaderConfigFromTargetAndFormat(textureTarget,
   1.711 +                                                             aSource->GetFormat());
   1.712 +    int shaderConfig = config.mFeatures;
   1.713 +
   1.714 +    aSource->BindTexture(LOCAL_GL_TEXTURE0, gfx::Filter::LINEAR);
   1.715 +
   1.716 +    GLuint textureId = 0;
   1.717 +    // This is horrid hack. It assumes that aGLContext matches the context
   1.718 +    // aSource has bound to.
   1.719 +    if (textureTarget == LOCAL_GL_TEXTURE_2D) {
   1.720 +        aGLContext->GetUIntegerv(LOCAL_GL_TEXTURE_BINDING_2D, &textureId);
   1.721 +    } else if (textureTarget == LOCAL_GL_TEXTURE_EXTERNAL) {
   1.722 +        aGLContext->GetUIntegerv(LOCAL_GL_TEXTURE_BINDING_EXTERNAL, &textureId);
   1.723 +    } else if (textureTarget == LOCAL_GL_TEXTURE_RECTANGLE) {
   1.724 +        aGLContext->GetUIntegerv(LOCAL_GL_TEXTURE_BINDING_RECTANGLE, &textureId);
   1.725 +    }
   1.726 +
   1.727 +    gfx::IntSize size = aSource->GetSize();
   1.728 +
   1.729 +    // By sending 0 to ReadTextureImage rely upon aSource->BindTexture binding
   1.730 +    // texture correctly. textureId is used for tracking in DebugGLTextureData.
   1.731 +    RefPtr<DataSourceSurface> img =
   1.732 +        aGLContext->ReadTexImageHelper()->ReadTexImage(0, textureTarget,
   1.733 +                                                       size,
   1.734 +                                                       shaderConfig, aFlipY);
   1.735 +
   1.736 +    gLayerScopeWebSocketManager->AppendDebugData(
   1.737 +        new DebugGLTextureData(aGLContext, aLayerRef, textureTarget,
   1.738 +                               textureId, img));
   1.739 +}
   1.740 +
   1.741 +static void
   1.742 +SendTexturedEffect(GLContext* aGLContext,
   1.743 +                   void* aLayerRef,
   1.744 +                   const TexturedEffect* aEffect)
   1.745 +{
   1.746 +    TextureSourceOGL* source = aEffect->mTexture->AsSourceOGL();
   1.747 +    if (!source)
   1.748 +        return;
   1.749 +
   1.750 +    bool flipY = false;
   1.751 +    SendTextureSource(aGLContext, aLayerRef, source, flipY);
   1.752 +}
   1.753 +
   1.754 +static void
   1.755 +SendYCbCrEffect(GLContext* aGLContext,
   1.756 +                void* aLayerRef,
   1.757 +                const EffectYCbCr* aEffect)
   1.758 +{
   1.759 +    TextureSource* sourceYCbCr = aEffect->mTexture;
   1.760 +    if (!sourceYCbCr)
   1.761 +        return;
   1.762 +
   1.763 +    const int Y = 0, Cb = 1, Cr = 2;
   1.764 +    TextureSourceOGL* sourceY =  sourceYCbCr->GetSubSource(Y)->AsSourceOGL();
   1.765 +    TextureSourceOGL* sourceCb = sourceYCbCr->GetSubSource(Cb)->AsSourceOGL();
   1.766 +    TextureSourceOGL* sourceCr = sourceYCbCr->GetSubSource(Cr)->AsSourceOGL();
   1.767 +
   1.768 +    bool flipY = false;
   1.769 +    SendTextureSource(aGLContext, aLayerRef, sourceY,  flipY);
   1.770 +    SendTextureSource(aGLContext, aLayerRef, sourceCb, flipY);
   1.771 +    SendTextureSource(aGLContext, aLayerRef, sourceCr, flipY);
   1.772 +}
   1.773 +
   1.774 +void
   1.775 +LayerScope::SendEffectChain(GLContext* aGLContext,
   1.776 +                            const EffectChain& aEffectChain,
   1.777 +                            int aWidth, int aHeight)
   1.778 +{
   1.779 +    if (!CheckSender())
   1.780 +        return;
   1.781 +
   1.782 +    const Effect* primaryEffect = aEffectChain.mPrimaryEffect;
   1.783 +    switch (primaryEffect->mType) {
   1.784 +    case EFFECT_RGB:
   1.785 +    {
   1.786 +        const TexturedEffect* texturedEffect =
   1.787 +            static_cast<const TexturedEffect*>(primaryEffect);
   1.788 +        SendTexturedEffect(aGLContext, aEffectChain.mLayerRef, texturedEffect);
   1.789 +    }
   1.790 +    break;
   1.791 +    case EFFECT_YCBCR:
   1.792 +    {
   1.793 +        const EffectYCbCr* yCbCrEffect =
   1.794 +            static_cast<const EffectYCbCr*>(primaryEffect);
   1.795 +        SendYCbCrEffect(aGLContext, aEffectChain.mLayerRef, yCbCrEffect);
   1.796 +    }
   1.797 +    case EFFECT_SOLID_COLOR:
   1.798 +    {
   1.799 +        const EffectSolidColor* solidColorEffect =
   1.800 +            static_cast<const EffectSolidColor*>(primaryEffect);
   1.801 +        gfxRGBA color(solidColorEffect->mColor.r,
   1.802 +                      solidColorEffect->mColor.g,
   1.803 +                      solidColorEffect->mColor.b,
   1.804 +                      solidColorEffect->mColor.a);
   1.805 +        SendColor(aEffectChain.mLayerRef, color, aWidth, aHeight);
   1.806 +    }
   1.807 +    break;
   1.808 +    case EFFECT_COMPONENT_ALPHA:
   1.809 +    case EFFECT_RENDER_TARGET:
   1.810 +    default:
   1.811 +        break;
   1.812 +    }
   1.813 +
   1.814 +    //const Effect* secondaryEffect = aEffectChain.mSecondaryEffects[EFFECT_MASK];
   1.815 +    // TODO:
   1.816 +}
   1.817 +
   1.818 +LayerScopeWebSocketManager::LayerScopeWebSocketManager()
   1.819 +{
   1.820 +    NS_NewThread(getter_AddRefs(mDebugSenderThread));
   1.821 +
   1.822 +    mServerSocket = do_CreateInstance(NS_SERVERSOCKET_CONTRACTID);
   1.823 +    int port = gfxPrefs::LayerScopePort();
   1.824 +    mServerSocket->Init(port, false, -1);
   1.825 +    mServerSocket->AsyncListen(new DebugListener);
   1.826 +}
   1.827 +
   1.828 +LayerScopeWebSocketManager::~LayerScopeWebSocketManager()
   1.829 +{
   1.830 +}
   1.831 +
   1.832 +void LayerScopeWebSocketManager::AppendDebugData(DebugGLData *aDebugData)
   1.833 +{
   1.834 +    if (!mCurrentSender) {
   1.835 +        mCurrentSender = new DebugDataSender();
   1.836 +    }
   1.837 +
   1.838 +    mCurrentSender->Append(aDebugData);
   1.839 +}
   1.840 +
   1.841 +void LayerScopeWebSocketManager::DispatchDebugData()
   1.842 +{
   1.843 +    mDebugSenderThread->Dispatch(mCurrentSender, NS_DISPATCH_NORMAL);
   1.844 +    mCurrentSender = nullptr;
   1.845 +}
   1.846 +
   1.847 +} /* layers */
   1.848 +} /* mozilla */

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