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C++ trace::Parser类代码示例

本文整理汇总了C++中trace::Parser类的典型用法代码示例。如果您正苦于以下问题：C++ Parser类的具体用法？C++ Parser怎么用？C++ Parser使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Parser类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: getRunner

namespace retrace {


trace::Parser parser;
trace::Profiler profiler;


int verbosity = 0;
unsigned debug = 1;
bool dumpingState = false;
bool dumpingSnapshots = false;

Driver driver = DRIVER_DEFAULT;
const char *driverModule = NULL;

bool doubleBuffer = true;
unsigned samples = 1;

bool profiling = false;
bool profilingGpuTimes = false;
bool profilingCpuTimes = false;
bool profilingPixelsDrawn = false;
bool profilingMemoryUsage = false;
bool useCallNos = true;
bool singleThread = false;

unsigned frameNo = 0;
unsigned callNo = 0;


static void
takeSnapshot(unsigned call_no);


void
frameComplete(trace::Call &call) {
    ++frameNo;

    if (!(call.flags & trace::CALL_FLAG_END_FRAME) &&
        snapshotFrequency.contains(call)) {
        // This call doesn't have the end of frame flag, so take any snapshot
        // now.
        takeSnapshot(call.no);
    }
}


class DefaultDumper: public Dumper
{
public:
    image::Image *
    getSnapshot(void) {
        return NULL;
    }

    bool
    canDump(void) {
        return false;
    }

    void
    dumpState(StateWriter &writer) {
        assert(0);
    }
};


static DefaultDumper defaultDumper;

Dumper *dumper = &defaultDumper;


typedef StateWriter *(*StateWriterFactory)(std::ostream &);
static StateWriterFactory stateWriterFactory = createJSONStateWriter;


/**
 * Take snapshots.
 */
static void
takeSnapshot(unsigned call_no) {
    static unsigned snapshot_no = 0;

    assert(dumpingSnapshots);
    assert(snapshotPrefix);

    image::Image *src = dumper->getSnapshot();
    if (!src) {
        std::cerr << call_no << ": warning: failed to get snapshot\n";
        return;
    }

    if ((snapshotInterval == 0 ||
        (snapshot_no % snapshotInterval) == 0)) {

        if (snapshotPrefix[0] == '-' && snapshotPrefix[1] == 0) {
            char comment[21];
            snprintf(comment, sizeof comment, "%u",
                     useCallNos ? call_no : snapshot_no);
            switch (snapshotFormat) {
//.........这里部分代码省略.........
开发者ID:byhj，项目名称:apitrace，代码行数:101，代码来源:retrace_main.cpp

示例2: snapshot

namespace glretrace {

bool double_buffer = true;
bool insideGlBeginEnd = false;
Trace::Parser parser;
glws::WindowSystem *ws = NULL;
glws::Visual *visual = NULL;
glws::Drawable *drawable = NULL;
glws::Context *context = NULL;

unsigned frame = 0;
long long startTime = 0;
bool wait = false;

bool benchmark = false;
const char *compare_prefix = NULL;
const char *snapshot_prefix = NULL;
enum frequency snapshot_frequency = FREQUENCY_NEVER;

unsigned dump_state = ~0;

void
checkGlError(Trace::Call &call) {
    GLenum error = glGetError();
    if (error == GL_NO_ERROR) {
        return;
    }

    if (retrace::verbosity == 0) {
        std::cout << call;
        std::cout.flush();
    }

    std::cerr << call.no << ": ";
    std::cerr << "warning: glGetError(";
    std::cerr << call.name();
    std::cerr << ") = ";

    switch (error) {
    case GL_INVALID_ENUM:
        std::cerr << "GL_INVALID_ENUM";
        break;
    case GL_INVALID_VALUE:
        std::cerr << "GL_INVALID_VALUE";
        break;
    case GL_INVALID_OPERATION:
        std::cerr << "GL_INVALID_OPERATION";
        break;
    case GL_STACK_OVERFLOW:
        std::cerr << "GL_STACK_OVERFLOW";
        break;
    case GL_STACK_UNDERFLOW:
        std::cerr << "GL_STACK_UNDERFLOW";
        break;
    case GL_OUT_OF_MEMORY:
        std::cerr << "GL_OUT_OF_MEMORY";
        break;
    case GL_INVALID_FRAMEBUFFER_OPERATION:
        std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
        break;
    case GL_TABLE_TOO_LARGE:
        std::cerr << "GL_TABLE_TOO_LARGE";
        break;
    default:
        std::cerr << error;
        break;
    }
    std::cerr << "\n";
}


void snapshot(unsigned call_no) {
    if (!drawable ||
        (!snapshot_prefix && !compare_prefix)) {
        return;
    }

    Image::Image *ref = NULL;

    if (compare_prefix) {
        char filename[PATH_MAX];
        snprintf(filename, sizeof filename, "%s%010u.png", compare_prefix, call_no);
        ref = Image::readPNG(filename);
        if (!ref) {
            return;
        }
        if (retrace::verbosity >= 0) {
            std::cout << "Read " << filename << "\n";
        }
    }

    Image::Image *src = glstate::getDrawBufferImage(GL_RGBA);
    if (!src) {
        return;
    }

    if (snapshot_prefix) {
        char filename[PATH_MAX];
        snprintf(filename, sizeof filename, "%s%010u.png", snapshot_prefix, call_no);
        if (src->writePNG(filename) && retrace::verbosity >= 0) {
//.........这里部分代码省略.........
开发者ID:pzick，项目名称:apitrace，代码行数:101，代码来源:glretrace_main.cpp

示例3: snapshot

namespace glretrace {

bool double_buffer = false;
bool insideGlBeginEnd = false;
Trace::Parser parser;
glws::WindowSystem *ws = NULL;
glws::Visual *visual = NULL;
glws::Drawable *drawable = NULL;
glws::Context *context = NULL;

int window_width = 256, window_height = 256;

unsigned frame = 0;
long long startTime = 0;
bool wait = false;

bool benchmark = false;
const char *compare_prefix = NULL;
const char *snapshot_prefix = NULL;

unsigned dump_state = ~0;

void
checkGlError(void) {
    if (benchmark || insideGlBeginEnd) {
        return;
    }

    GLenum error = glGetError();
    if (error == GL_NO_ERROR) {
        return;
    }

    std::cerr << "warning: glGetError() = ";
    switch (error) {
    case GL_INVALID_ENUM:
        std::cerr << "GL_INVALID_ENUM";
        break;
    case GL_INVALID_VALUE:
        std::cerr << "GL_INVALID_VALUE";
        break;
    case GL_INVALID_OPERATION:
        std::cerr << "GL_INVALID_OPERATION";
        break;
    case GL_STACK_OVERFLOW:
        std::cerr << "GL_STACK_OVERFLOW";
        break;
    case GL_STACK_UNDERFLOW:
        std::cerr << "GL_STACK_UNDERFLOW";
        break;
    case GL_OUT_OF_MEMORY:
        std::cerr << "GL_OUT_OF_MEMORY";
        break;
    case GL_INVALID_FRAMEBUFFER_OPERATION:
        std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
        break;
    case GL_TABLE_TOO_LARGE:
        std::cerr << "GL_TABLE_TOO_LARGE";
        break;
    default:
        std::cerr << error;
        break;
    }
    std::cerr << "\n";
}


static void snapshot(Image::Image &image) {
    GLint drawbuffer = double_buffer ? GL_BACK : GL_FRONT;
    GLint readbuffer = double_buffer ? GL_BACK : GL_FRONT;
    glGetIntegerv(GL_DRAW_BUFFER, &drawbuffer);
    glGetIntegerv(GL_READ_BUFFER, &readbuffer);
    glReadBuffer(drawbuffer);
    glReadPixels(0, 0, image.width, image.height, GL_RGBA, GL_UNSIGNED_BYTE, image.pixels);
    checkGlError();
    glReadBuffer(readbuffer);
}


static void frame_complete(void) {
    ++frame;
    
    if (snapshot_prefix || compare_prefix) {
        Image::Image *ref = NULL;
        if (compare_prefix) {
            char filename[PATH_MAX];
            snprintf(filename, sizeof filename, "%s%04u.png", compare_prefix, frame);
            ref = Image::readPNG(filename);
            if (!ref) {
                return;
            }
            if (retrace::verbosity >= 0)
                std::cout << "Read " << filename << "\n";
        }
        
        Image::Image src(window_width, window_height, true);
        snapshot(src);

        if (snapshot_prefix) {
            char filename[PATH_MAX];
//.........这里部分代码省略.........
开发者ID:bgirard，项目名称:apitrace，代码行数:101，代码来源:glretrace_main.cpp

示例4: display

static void display(void) {
    startTime = OS::GetTime();
    Trace::Call *call;

    while ((call = parser.parse_call())) {
        const char *name = call->name();

        if (retrace::verbosity >= 1) {
            std::cout << *call;
            std::cout.flush();
        }

        if (name[0] == 'C' && name[1] == 'G' && name[2] == 'L') {
            glretrace::retrace_call_cgl(*call);
        }
        else if (name[0] == 'w' && name[1] == 'g' && name[2] == 'l') {
            glretrace::retrace_call_wgl(*call);
        }
        else if (name[0] == 'g' && name[1] == 'l' && name[2] == 'X') {
            glretrace::retrace_call_glx(*call);
        } else {
            retrace::retrace_call(*call);
        }

        if (!insideGlBeginEnd &&
            drawable && context &&
            call->no >= dump_state) {
            glstate::dumpCurrentContext(std::cout);
            exit(0);
        }

        delete call;
    }

    // Reached the end of trace
    glFlush();

    long long endTime = OS::GetTime();
    float timeInterval = (endTime - startTime) * 1.0E-6;

    if (retrace::verbosity >= -1) { 
        std::cout << 
            "Rendered " << frame << " frames"
            " in " <<  timeInterval << " secs,"
            " average of " << (frame/timeInterval) << " fps\n";
    }

    if (wait) {
        while (ws->processEvents()) {}
    } else {
        exit(0);
    }
}
开发者ID:pzick，项目名称:apitrace，代码行数:53，代码来源:glretrace_main.cpp

示例5: main

int main(int argc, char **argv)
{

    int i;
    for (i = 1; i < argc; ++i) {
        const char *arg = argv[i];

        if (arg[0] != '-') {
            break;
        }

        if (!strcmp(arg, "--")) {
            break;
        } else if (!strcmp(arg, "-b")) {
            benchmark = true;
            retrace::verbosity = -1;
        } else if (!strcmp(arg, "-c")) {
            compare_prefix = argv[++i];
            if (snapshot_frequency == FREQUENCY_NEVER) {
                snapshot_frequency = FREQUENCY_FRAME;
            }
        } else if (!strcmp(arg, "-D")) {
            dump_state = atoi(argv[++i]);
            retrace::verbosity = -2;
        } else if (!strcmp(arg, "-db")) {
            double_buffer = true;
        } else if (!strcmp(arg, "-sb")) {
            double_buffer = false;
        } else if (!strcmp(arg, "--help")) {
            usage();
            return 0;
        } else if (!strcmp(arg, "-s")) {
            snapshot_prefix = argv[++i];
            if (snapshot_frequency == FREQUENCY_NEVER) {
                snapshot_frequency = FREQUENCY_FRAME;
            }
        } else if (!strcmp(arg, "-S")) {
            arg = argv[++i];
            if (!strcmp(arg, "frame")) {
                snapshot_frequency = FREQUENCY_FRAME;
            } else if (!strcmp(arg, "framebuffer")) {
                snapshot_frequency = FREQUENCY_FRAMEBUFFER;
            } else if (!strcmp(arg, "draw")) {
                snapshot_frequency = FREQUENCY_DRAW;
            } else {
                std::cerr << "error: unknown frequency " << arg << "\n";
                usage();
                return 1;
            }
            if (snapshot_prefix == NULL) {
                snapshot_prefix = "";
            }
        } else if (!strcmp(arg, "-v")) {
            ++retrace::verbosity;
        } else if (!strcmp(arg, "-w")) {
            wait = true;
        } else {
            std::cerr << "error: unknown option " << arg << "\n";
            usage();
            return 1;
        }
    }

    ws = glws::createNativeWindowSystem();
    visual = ws->createVisual(double_buffer);

    for ( ; i < argc; ++i) {
        if (!parser.open(argv[i])) {
            std::cerr << "error: failed to open " << argv[i] << "\n";
            return 1;
        }

        display();

        parser.close();
    }

    return 0;
}
开发者ID:pzick，项目名称:apitrace，代码行数:79，代码来源:glretrace_main.cpp

示例6: display

static void display(void) {
    Trace::Call *call;

    while ((call = parser.parse_call())) {
        const std::string &name = call->name();

        if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
            (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
            // XXX: We ignore the majority of the OS-specific calls for now
            if (name == "glXSwapBuffers" ||
                name == "wglSwapBuffers") {
                if (retrace::verbosity >= 1) {
                    std::cout << *call;
                    std::cout.flush();
                };
                frame_complete();
                if (double_buffer)
                    drawable->swapBuffers();
                else
                    glFlush();
            } else if (name == "glXMakeCurrent" ||
                       name == "wglMakeCurrent") {
                glFlush();
                if (!double_buffer) {
                    frame_complete();
                }
            } else {
                continue;
            }
        }

        if (name == "glFlush") {
            glFlush();
            if (!double_buffer) {
                frame_complete();
            }
        }
        
        retrace::retrace_call(*call);

        if (!insideGlBeginEnd && call->no >= dump_state) {
            state_dump(std::cout);
            exit(0);
        }

        delete call;
    }

    // Reached the end of trace
    glFlush();

    long long endTime = OS::GetTime();
    float timeInterval = (endTime - startTime) * 1.0E-6;

    if (retrace::verbosity >= -1) { 
        std::cout << 
            "Rendered " << frame << " frames"
            " in " <<  timeInterval << " secs,"
            " average of " << (frame/timeInterval) << " fps\n";
    }

    if (wait) {
        while (ws->processEvents()) {}
    } else {
        exit(0);
    }
}
开发者ID:bgirard，项目名称:apitrace，代码行数:67，代码来源:glretrace_main.cpp


注：本文中的trace::Parser类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。