6a2046ea34
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1646683002 Review URL: https://codereview.chromium.org/1646683002
309 lines
10 KiB
C++
309 lines
10 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "GrCaps.h"
|
|
#include "GrContextFactory.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkCommandLineFlags.h"
|
|
#include "SkJSONCanvas.h"
|
|
#include "SkPicture.h"
|
|
#include "SkStream.h"
|
|
#include "SkSurface.h"
|
|
|
|
#include <sys/socket.h>
|
|
#include <microhttpd.h>
|
|
|
|
// To get image decoders linked in we have to do the below magic
|
|
#include "SkForceLinking.h"
|
|
#include "SkImageDecoder.h"
|
|
__SK_FORCE_IMAGE_DECODER_LINKING;
|
|
|
|
// TODO make this configurable
|
|
#define PORT 8888
|
|
|
|
DEFINE_string(dir, "skps", "Directory to read skp.");
|
|
DEFINE_string(name, "desk_carsvg", "skp to load.");
|
|
DEFINE_bool(useTemplate, true, "whether or not to use the skdebugger template string.");
|
|
|
|
// TODO probably want to make this configurable
|
|
static const int kImageWidth = 1920;
|
|
static const int kImageHeight = 1080;
|
|
|
|
// TODO move to template file
|
|
SkString generateTemplate(SkString source) {
|
|
SkString debuggerTemplate;
|
|
debuggerTemplate.appendf(
|
|
"<!DOCTYPE html>\n"
|
|
"<html>\n"
|
|
"<head>\n"
|
|
" <title>SkDebugger</title>\n"
|
|
" <meta charset=\"utf-8\" />\n"
|
|
" <meta http-equiv=\"X-UA-Compatible\" content=\"IE=egde,chrome=1\">\n"
|
|
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
|
|
" <script src=\"%s/res/js/core.js\" type=\"text/javascript\" charset=\"utf-8\"></script>\n"
|
|
" <link href=\"%s/res/vul/elements.html\" rel=\"import\" />\n"
|
|
"</head>\n"
|
|
"<body class=\"fullbleed layout vertical\">\n"
|
|
" <debugger-app-sk>This is the app."
|
|
" </debugger-app-sk>\n"
|
|
"</body>\n"
|
|
"</html>", source.c_str(), source.c_str());
|
|
return debuggerTemplate;
|
|
|
|
}
|
|
|
|
struct UploadContext {
|
|
SkDynamicMemoryWStream fStream;
|
|
MHD_PostProcessor* fPostProcessor;
|
|
MHD_Connection* connection;
|
|
};
|
|
|
|
struct Request {
|
|
Request() : fUploadContext(nullptr) {}
|
|
UploadContext* fUploadContext;
|
|
SkAutoTUnref<SkData> fPNG;
|
|
SkAutoTUnref<SkPicture> fPicture;
|
|
};
|
|
|
|
// TODO factor this out into functions, also handle CPU path
|
|
bool setupAndDrawToCanvas(Request* request, SkString* error) {
|
|
GrContextOptions grContextOpts;
|
|
SkAutoTDelete<GrContextFactory> factory(new GrContextFactory(grContextOpts));
|
|
|
|
GrContext* context = factory->get(GrContextFactory::kNative_GLContextType,
|
|
GrContextFactory::kNone_GLContextOptions);
|
|
int maxRTSize = context->caps()->maxRenderTargetSize();
|
|
SkImageInfo info = SkImageInfo::Make(SkTMin(kImageWidth, maxRTSize),
|
|
SkTMin(kImageHeight, maxRTSize),
|
|
kN32_SkColorType, kPremul_SkAlphaType);
|
|
uint32_t flags = 0;
|
|
SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
|
|
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context,
|
|
SkSurface::kNo_Budgeted, info,
|
|
0, &props));
|
|
SkASSERT(surface.get());
|
|
|
|
SkGLContext* gl = factory->getContextInfo(GrContextFactory::kNative_GLContextType,
|
|
GrContextFactory::kNone_GLContextOptions).fGLContext;
|
|
gl->makeCurrent();
|
|
|
|
// draw
|
|
request->fPicture.reset(
|
|
SkPicture::CreateFromStream(request->fUploadContext->fStream.detachAsStream()));
|
|
if (!request->fPicture.get()) {
|
|
error->appendf("Could not create picture from stream.\n");
|
|
return false;
|
|
}
|
|
|
|
SkCanvas* canvas = surface->getCanvas();
|
|
canvas->drawPicture(request->fPicture);
|
|
|
|
// capture pixels
|
|
SkBitmap bmp;
|
|
bmp.setInfo(canvas->imageInfo());
|
|
if (!canvas->readPixels(&bmp, 0, 0)) {
|
|
error->appendf("Can't read canvas pixels.\n");
|
|
return false;
|
|
}
|
|
|
|
// write to png
|
|
request->fPNG.reset(SkImageEncoder::EncodeData(bmp, SkImageEncoder::kPNG_Type, 100));
|
|
if (!request->fPNG) {
|
|
error->appendf("Can't encode a PNG.\n");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static const size_t kBufferSize = 1024;
|
|
|
|
static int process_upload_data(void* cls, enum MHD_ValueKind kind,
|
|
const char* key, const char* filename,
|
|
const char* content_type, const char* transfer_encoding,
|
|
const char* data, uint64_t off, size_t size) {
|
|
struct UploadContext* uc = reinterpret_cast<UploadContext*>(cls);
|
|
|
|
if (0 != size) {
|
|
uc->fStream.write(data, size);
|
|
}
|
|
return MHD_YES;
|
|
}
|
|
|
|
static int SendData(MHD_Connection* connection, const SkData* data, const char* type) {
|
|
MHD_Response* response = MHD_create_response_from_buffer(data->size(),
|
|
const_cast<void*>(data->data()),
|
|
MHD_RESPMEM_MUST_COPY);
|
|
MHD_add_response_header(response, "Content-Type", type);
|
|
|
|
int ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
|
|
MHD_destroy_response(response);
|
|
return ret;
|
|
}
|
|
|
|
static int SendJSON(MHD_Connection* connection, SkPicture* picture) {
|
|
SkDynamicMemoryWStream stream;
|
|
SkAutoTUnref<SkJSONCanvas> jsonCanvas(new SkJSONCanvas(kImageWidth, kImageHeight, stream));
|
|
jsonCanvas->drawPicture(picture);
|
|
jsonCanvas->finish();
|
|
|
|
SkAutoTUnref<SkData> data(stream.copyToData());
|
|
return SendData(connection, data, "application/json");
|
|
}
|
|
|
|
static int SendTemplate(MHD_Connection* connection, bool redirect = false,
|
|
const char* redirectUrl = nullptr) {
|
|
SkString debuggerTemplate = generateTemplate(SkString("https://debugger.skia.org"));
|
|
|
|
MHD_Response* response = MHD_create_response_from_buffer(
|
|
debuggerTemplate.size(),
|
|
(void*) const_cast<char*>(debuggerTemplate.c_str()),
|
|
MHD_RESPMEM_MUST_COPY);
|
|
MHD_add_response_header (response, "Access-Control-Allow-Origin", "*");
|
|
|
|
int status = MHD_HTTP_OK;
|
|
|
|
if (redirect) {
|
|
MHD_add_response_header (response, "Location", redirectUrl);
|
|
status = MHD_HTTP_SEE_OTHER;
|
|
}
|
|
|
|
int ret = MHD_queue_response(connection, status, response);
|
|
MHD_destroy_response(response);
|
|
return ret;
|
|
}
|
|
|
|
typedef int (*UrlHandler)(Request* request, MHD_Connection* connection,
|
|
const char* upload_data, size_t* upload_data_size);
|
|
|
|
int rootHandler(Request* request, MHD_Connection* connection,
|
|
const char* upload_data, size_t* upload_data_size) {
|
|
return SendTemplate(connection);
|
|
}
|
|
|
|
int postHandler(Request* request, MHD_Connection* connection,
|
|
const char* upload_data, size_t* upload_data_size) {
|
|
UploadContext* uc = request->fUploadContext;
|
|
|
|
// New connection
|
|
if (!uc) {
|
|
// TODO make this a method on request
|
|
uc = new UploadContext;
|
|
uc->connection = connection;
|
|
uc->fPostProcessor = MHD_create_post_processor(connection, kBufferSize,
|
|
&process_upload_data, uc);
|
|
SkASSERT(uc->fPostProcessor);
|
|
|
|
request->fUploadContext = uc;
|
|
return MHD_YES;
|
|
}
|
|
|
|
// in process upload
|
|
if (0 != *upload_data_size) {
|
|
SkASSERT(uc->fPostProcessor);
|
|
MHD_post_process(uc->fPostProcessor, upload_data, *upload_data_size);
|
|
*upload_data_size = 0;
|
|
return MHD_YES;
|
|
}
|
|
|
|
// end of upload
|
|
MHD_destroy_post_processor(uc->fPostProcessor);
|
|
uc->fPostProcessor = nullptr;
|
|
|
|
// TODO response
|
|
SkString error;
|
|
if (!setupAndDrawToCanvas(request, &error)) {
|
|
// TODO send error
|
|
return MHD_YES;
|
|
}
|
|
|
|
return SendTemplate(connection, true, "/");
|
|
}
|
|
|
|
int imgHandler(Request* request, MHD_Connection* connection,
|
|
const char* upload_data, size_t* upload_data_size) {
|
|
if (request->fPNG.get()) {
|
|
SkData* data = request->fPNG.get();
|
|
return SendData(connection, data, "image/png");
|
|
}
|
|
return MHD_NO;
|
|
}
|
|
|
|
int infoHandler(Request* request, MHD_Connection* connection,
|
|
const char* upload_data, size_t* upload_data_size) {
|
|
if (request->fPicture.get()) {
|
|
return SendJSON(connection, request->fPicture);
|
|
}
|
|
return MHD_NO;
|
|
}
|
|
|
|
class UrlManager {
|
|
public:
|
|
UrlManager() {
|
|
// Register handlers
|
|
fHandlers.push_back({MHD_HTTP_METHOD_GET, "/", rootHandler});
|
|
fHandlers.push_back({MHD_HTTP_METHOD_POST, "/new", postHandler});
|
|
fHandlers.push_back({MHD_HTTP_METHOD_GET, "/img", imgHandler});
|
|
fHandlers.push_back({MHD_HTTP_METHOD_GET, "/cmd", infoHandler});
|
|
}
|
|
|
|
// This is clearly not efficient for a large number of urls and handlers
|
|
int invoke(Request* request, MHD_Connection* connection, const char* url, const char* method,
|
|
const char* upload_data, size_t* upload_data_size) const {
|
|
for (int i = 0; i < fHandlers.count(); i++) {
|
|
const Url& urlHandler = fHandlers[i];
|
|
if (0 == strcmp(method, urlHandler.fMethod) &&
|
|
0 == strcmp(url, urlHandler.fPath)) {
|
|
return (*urlHandler.fHandler)(request, connection, upload_data,
|
|
upload_data_size);
|
|
}
|
|
}
|
|
return MHD_NO;
|
|
}
|
|
|
|
private:
|
|
struct Url {
|
|
const char* fMethod;
|
|
const char* fPath;
|
|
UrlHandler fHandler;
|
|
};
|
|
SkTArray<Url> fHandlers;
|
|
};
|
|
|
|
const UrlManager kUrlManager;
|
|
|
|
int answer_to_connection(void* cls, struct MHD_Connection* connection,
|
|
const char* url, const char* method, const char* version,
|
|
const char* upload_data, size_t* upload_data_size,
|
|
void** con_cls) {
|
|
SkDebugf("New %s request for %s using version %s\n", method, url, version);
|
|
|
|
Request* request = reinterpret_cast<Request*>(cls);
|
|
return kUrlManager.invoke(request, connection, url, method, upload_data, upload_data_size);
|
|
}
|
|
|
|
int skiaserve_main() {
|
|
Request request; // This simple server has one request
|
|
struct MHD_Daemon* daemon;
|
|
daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, PORT, nullptr, nullptr,
|
|
&answer_to_connection, &request,
|
|
MHD_OPTION_END);
|
|
if (NULL == daemon) {
|
|
return 1;
|
|
}
|
|
|
|
getchar();
|
|
MHD_stop_daemon(daemon);
|
|
return 0;
|
|
}
|
|
|
|
#if !defined SK_BUILD_FOR_IOS
|
|
int main(int argc, char** argv) {
|
|
SkCommandLineFlags::Parse(argc, argv);
|
|
return skiaserve_main();
|
|
}
|
|
#endif
|