1 #include "trace_loader.hpp"
3 #include "trace_snappyfile.hpp"
8 : m_frameMarker(FrameMarker_SwapBuffers),
18 Loader::FrameMarker Loader::frameMarker() const
23 void Loader::setFrameMarker(Loader::FrameMarker marker)
25 m_frameMarker = marker;
28 int Loader::numberOfFrames() const
30 return m_frameOffsets.size();
33 int Loader::numberOfCallsInFrame(int frameIdx)
35 if (frameIdx > m_frameOffsets.size()) {
39 return m_frameOffsets[frameIdx].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;
59 startOffset = m_parser.currentOffset();
61 while ((call = m_parser.parse_call())) {
65 if (isCallAFrameMarker(call)) {
66 File::Offset endOffset = m_parser.currentOffset();
67 FrameOffset frameOffset(startOffset, endOffset);
69 frameOffset.numberOfCalls = numOfCalls;
70 m_frameOffsets[numOfFrames] = frameOffset;
73 startOffset = endOffset;
76 //call->dump(std::cout, color);
87 bool Loader::isCallAFrameMarker(const Trace::Call *call) const
89 std::string name = call->name();
91 switch (m_frameMarker) {
92 case FrameMarker_SwapBuffers:
93 return name.find("SwapBuffers") != std::string::npos ||
94 name == "CGLFlushDrawable" ||
95 name == "glFrameTerminatorGREMEDY";
97 case FrameMarker_Flush:
98 return name == "glFlush";
100 case FrameMarker_Finish:
101 return name == "glFinish";
103 case FrameMarker_Clear:
104 return name == "glClear";
110 std::vector<Trace::Call *> Loader::frame(int idx)
112 int numOfCalls = numberOfCallsInFrame(idx);
114 std::vector<Trace::Call*> calls(numOfCalls);
115 m_parser.setCurrentOffset(m_frameOffsets[idx].start);
119 while ((call = m_parser.parse_call())) {
121 calls[parsedCalls] = call;
124 if (isCallAFrameMarker(call)) {
129 assert(parsedCalls == numOfCalls);
132 return std::vector<Trace::Call*>();