7f6a1e0786
Please excuse the mess while we iterate BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1621753002 Review URL: https://codereview.chromium.org/1621753002
184 lines
6.2 KiB
C++
184 lines
6.2 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "GrCaps.h"
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#include "GrContextFactory.h"
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#include "SkCanvas.h"
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#include "SkCommandLineFlags.h"
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#include "SkOSFile.h"
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#include <SkPicture.h>
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#include "SkStream.h"
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#include "SkSurface.h"
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// temporary junk
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#include "SkGradientShader.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#include <sys/stat.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <microhttpd.h>
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// To get image decoders linked in we have to do the below magic
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#include "SkForceLinking.h"
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#include "SkImageDecoder.h"
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__SK_FORCE_IMAGE_DECODER_LINKING;
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// TODO make this configurable
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#define PORT 8888
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DEFINE_string(dir, "skps", "Directory to read skp.");
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DEFINE_string(name, "desk_carsvg", "skp to load.");
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DEFINE_bool(useTemplate, true, "whether or not to use the skdebugger template string.");
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// TODO probably want to make this configurable
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static const int kImageWidth = 1920;
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static const int kImageHeight = 1080;
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// TODO factor this out into functions, also handle CPU path
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SkData* setupAndDrawToCanvas(const char* path, SkString* error) {
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GrContextOptions grContextOpts;
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SkAutoTDelete<GrContextFactory> factory(new GrContextFactory(grContextOpts));
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GrContext* context = factory->get(GrContextFactory::kNative_GLContextType,
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GrContextFactory::kNone_GLContextOptions);
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int maxRTSize = context->caps()->maxRenderTargetSize();
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SkImageInfo info = SkImageInfo::Make(SkTMin(kImageWidth, maxRTSize),
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SkTMin(kImageHeight, maxRTSize),
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kN32_SkColorType, kPremul_SkAlphaType);
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uint32_t flags = 0;
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SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
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SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context,
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SkSurface::kNo_Budgeted, info,
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0, &props));
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SkASSERT(surface.get());
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SkGLContext* gl = factory->getContextInfo(GrContextFactory::kNative_GLContextType,
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GrContextFactory::kNone_GLContextOptions).fGLContext;
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gl->makeCurrent();
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// draw
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SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path));
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if (stream.get() == nullptr) {
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error->appendf("Could not read %s.\n", path);
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return nullptr;
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}
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SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream.get()));
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if (pic.get() == nullptr) {
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error->appendf("Could not read %s as an SkPicture.\n", path);
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return nullptr;
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}
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SkCanvas* canvas = surface->getCanvas();
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canvas->drawPicture(pic);
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// capture pixels
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SkBitmap bmp;
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bmp.setInfo(canvas->imageInfo());
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if (!canvas->readPixels(&bmp, 0, 0)) {
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error->appendf("Can't read canvas pixels.\n");
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return nullptr;
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}
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// write to png
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SkData* data = SkImageEncoder::EncodeData(bmp, SkImageEncoder::kPNG_Type, 100);
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if (!data) {
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error->appendf("Can't encode a PNG.\n");
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return nullptr;
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}
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return data;
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}
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// TODO move to template file
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SkString generateTemplate(SkString source) {
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SkString debuggerTemplate;
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debuggerTemplate.appendf(
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"<!DOCTYPE html>\n"
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"<html>\n"
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"<head>\n"
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" <title>SkDebugger</title>\n"
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" <meta charset=\"utf-8\" />\n"
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" <meta http-equiv=\"X-UA-Compatible\" content=\"IE=egde,chrome=1\">\n"
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" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
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" <script src=\"%s/res/js/core.js\" type=\"text/javascript\" charset=\"utf-8\"></script>\n"
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" <link href=\"%s/res/vul/elements.html\" rel=\"import\" />\n"
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"</head>\n"
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"<body class=\"fullbleed layout vertical\">\n"
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" <debugger-app-sk>This is the app."
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" </debugger-app-sk>\n"
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"</body>\n"
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"</html>", source.c_str(), source.c_str());
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return debuggerTemplate;
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}
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int answer_to_connection(void* cls, struct MHD_Connection* connection,
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const char* url, const char* method, const char* version,
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const char* upload_data, size_t* upload_data_size,
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void** con_cls) {
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printf ("New %s request for %s using version %s\n", method, url, version);
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struct MHD_Response* response;
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// serve html to root
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// TODO better url handling
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int ret;
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if (0 == strcmp("/", url)) {
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SkString debuggerTemplate = generateTemplate(SkString("http://debugger.skia.org"));
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response = MHD_create_response_from_buffer(debuggerTemplate.size(),
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(void*)const_cast<char*>(debuggerTemplate.c_str()),
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MHD_RESPMEM_MUST_COPY);
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ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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return MHD_YES;
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}
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// otherwise serve an image
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// TODO take from post
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SkString resourceName;
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resourceName.appendf("%s/%s.skp", FLAGS_dir[0], FLAGS_name[0]);
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SkDebugf("Loading skp: %s\n", resourceName.c_str());
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SkString error;
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SkAutoTUnref<SkData> data(setupAndDrawToCanvas(resourceName.c_str(), &error));
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if (!data) {
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// TODO send error
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return MHD_YES;
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}
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response = MHD_create_response_from_buffer(data->size(), const_cast<void*>(data->data()),
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MHD_RESPMEM_MUST_COPY);
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MHD_add_response_header(response, "Content-Type", "image/png");
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ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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return ret;
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}
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int skiaserve_main() {
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struct MHD_Daemon* daemon;
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daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL,
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&answer_to_connection, NULL, MHD_OPTION_END);
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if (NULL == daemon) {
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return 1;
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}
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getchar();
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MHD_stop_daemon(daemon);
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return 0;
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}
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#if !defined SK_BUILD_FOR_IOS
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int main(int argc, char** argv) {
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SkCommandLineFlags::Parse(argc, argv);
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return skiaserve_main();
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}
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#endif
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