1 #include "trace_loader.hpp"
3 #include "trace_snappyfile.hpp"
8 : m_frameMarker(FrameMarker_SwapBuffers)
17 Loader::FrameMarker Loader::frameMarker() const
22 void Loader::setFrameMarker(Loader::FrameMarker marker)
24 m_frameMarker = marker;
27 int Loader::numberOfFrames() const
29 return m_frameOffsets.size();
32 int Loader::numberOfCallsInFrame(int frameIdx) const
34 if (frameIdx > m_frameOffsets.size()) {
37 FrameOffsets::const_iterator itr =
38 m_frameOffsets.find(frameIdx);
39 return itr->second.numberOfCalls;
42 bool Loader::open(const char *filename)
44 if (!m_parser.open(filename)) {
45 std::cerr << "error: failed to open " << filename << "\n";
48 if (!m_parser.supportsOffsets()) {
49 std::cerr << "error: " <<filename<< " doesn't support seeking "
55 File::Offset startOffset;
60 startOffset = m_parser.currentOffset();
61 callNum = m_parser.currentCallNumber();
63 while ((call = m_parser.scan_call())) {
66 if (isCallAFrameMarker(call)) {
67 File::Offset endOffset = m_parser.currentOffset();
68 FrameOffset frameOffset(startOffset);
69 frameOffset.numberOfCalls = numOfCalls;
70 frameOffset.callNumber = callNum;
72 m_frameOffsets[numOfFrames] = frameOffset;
75 startOffset = endOffset;
76 callNum = m_parser.currentCallNumber();
79 //call->dump(std::cout, color);
90 bool Loader::isCallAFrameMarker(const Trace::Call *call) const
92 std::string name = call->name();
94 switch (m_frameMarker) {
95 case FrameMarker_SwapBuffers:
96 return name.find("SwapBuffers") != std::string::npos ||
97 name == "CGLFlushDrawable" ||
98 name == "glFrameTerminatorGREMEDY";
100 case FrameMarker_Flush:
101 return name == "glFlush";
103 case FrameMarker_Finish:
104 return name == "glFinish";
106 case FrameMarker_Clear:
107 return name == "glClear";
113 std::vector<Trace::Call *> Loader::frame(int idx)
115 int numOfCalls = numberOfCallsInFrame(idx);
117 const FrameOffset &frameOffset = m_frameOffsets[idx];
118 std::vector<Trace::Call*> calls(numOfCalls);
119 m_parser.setCurrentOffset(frameOffset.start);
120 m_parser.setCurrentCallNumber(frameOffset.callNumber);
124 while ((call = m_parser.parse_call())) {
126 calls[parsedCalls] = call;
129 if (isCallAFrameMarker(call)) {
134 assert(parsedCalls == numOfCalls);
137 return std::vector<Trace::Call*>();