#include "glproc.hpp"
#include "glstate.hpp"
#include "glretrace.hpp"
+#include "os_time.hpp"
namespace glretrace {
bool insideList = false;
bool insideGlBeginEnd = false;
+struct CallQuery
+{
+ GLuint ids[3];
+ unsigned call;
+ GLuint program;
+ const trace::FunctionSig *sig;
+ uint64_t start;
+ uint64_t duration;
+};
+
+static bool supportsElapsed = true;
+static bool supportsTimestamp = true;
+static bool supportsOcclusion = true;
+
+static bool firstFrame = true;
+static std::list<CallQuery> callQueries;
+static std::map<glws::Context*, GLuint> activePrograms;
+
void
checkGlError(trace::Call &call) {
os << "\n";
}
-struct CallQuery
-{
- GLuint ids[2];
- unsigned call;
- const trace::FunctionSig *sig;
-};
-
-static std::vector<CallQuery> callQueries;
-static GLuint frameQueries[2] = { 0, 0 };
+static GLuint64
+getGpuTimestamp() {
+ GLuint query = 0;
+ GLuint64 timestamp = 0;
-void frame_start() {
- if (retrace::profileGPU) {
- glGenQueries(2, frameQueries);
+ if (retrace::profilingGpuTimes && supportsTimestamp) {
+ glGenQueries(1, &query);
+ glQueryCounter(query, GL_TIMESTAMP);
+ glGetQueryObjectui64vEXT(query, GL_QUERY_RESULT, ×tamp);
+ glDeleteQueries(1, &query);
+ }
- /* Query frame start time */
- glQueryCounter(frameQueries[0], GL_TIMESTAMP);
- }
+ return timestamp;
}
-void frame_complete(trace::Call &call) {
- if (retrace::profileGPU) {
- /* Query frame end time */
- glQueryCounter(frameQueries[1], GL_TIMESTAMP);
-
- completeQueries();
+static GLuint64
+getCpuTimestamp() {
+ if (retrace::profilingCpuTimes) {
+ return os::getTime();
+ } else {
+ return 0;
}
+}
- retrace::frameComplete(call);
+static void
+completeCallQuery(CallQuery& query) {
+ /* Get call start and duration */
+ GLuint64 timestamp = 0, duration = 0, samples = 0;
- /* Indicate start of next frame */
- frame_start();
+ if (retrace::profilingGpuTimes) {
+ if (supportsTimestamp) {
+ glGetQueryObjectui64vEXT(query.ids[0], GL_QUERY_RESULT, ×tamp);
+ }
- if (!currentDrawable) {
- return;
+ if (supportsElapsed) {
+ glGetQueryObjectui64vEXT(query.ids[1], GL_QUERY_RESULT, &duration);
+ }
}
- if (retrace::debug && !currentDrawable->visible) {
- retrace::warning(call) << "could not infer drawable size (glViewport never called)\n";
+ if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ glGetQueryObjectui64vEXT(query.ids[2], GL_QUERY_RESULT, &samples);
}
+
+ glDeleteQueries(3, query.ids);
+
+ /* Add call to profile */
+ retrace::profiler.addCall(query.call, query.sig->name, query.program, samples, timestamp, duration, query.start, query.duration);
}
void
-completeQueries()
+flushQueries() {
+ for (std::list<CallQuery>::iterator itr = callQueries.begin(); itr != callQueries.end(); ++itr) {
+ completeCallQuery(*itr);
+ }
+
+ callQueries.clear();
+}
+
+void setActiveProgram(GLuint program)
+{
+ activePrograms[glretrace::currentContext] = program;
+}
+
+static GLuint
+getActiveProgram()
{
- if (callQueries.size() == 0)
- return;
+ std::map<glws::Context*, GLuint>::iterator it;
+ it = activePrograms.find(glretrace::currentContext);
+ if (it == activePrograms.end())
+ return 0;
- GLint available;
- GLuint64 frameBegin, frameEnd;
+ return it->second;
+}
+
+void
+beginProfile(trace::Call &call) {
+ if (firstFrame) {
+ /* Check for extension support */
+ const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
+ GLint bits;
+
+ supportsTimestamp = glws::checkExtension("GL_ARB_timer_query", extensions);
+ supportsElapsed = glws::checkExtension("GL_EXT_timer_query", extensions) || supportsTimestamp;
+ supportsOcclusion = glws::checkExtension("GL_ARB_occlusion_query", extensions);
+
+ if (retrace::profilingGpuTimes) {
+ if (!supportsTimestamp && !supportsElapsed) {
+ std::cout << "Error: Cannot run profile, GL_EXT_timer_query extension is not supported." << std::endl;
+ exit(-1);
+ }
+
+ glGetQueryiv(GL_TIME_ELAPSED, GL_QUERY_COUNTER_BITS, &bits);
+
+ if (!bits) {
+ std::cout << "Error: Cannot run profile, GL_QUERY_COUNTER_BITS == 0." << std::endl;
+ exit(-1);
+ }
+ }
+
+ if (retrace::profilingPixelsDrawn && !supportsOcclusion) {
+ std::cout << "Error: Cannot run profile, GL_ARB_occlusion_query extension is not supported." << std::endl;
+ exit(-1);
+ }
+
+ frame_start();
+ }
- /* Wait for frame to finish */
- do {
- glGetQueryObjectiv(frameQueries[1], GL_QUERY_RESULT_AVAILABLE, &available);
- } while(!available);
+ /* Create call query */
+ CallQuery query;
+ query.call = call.no;
+ query.sig = call.sig;
+ query.program = getActiveProgram();
- /* Get frame start and end */
- glGetQueryObjectui64vEXT(frameQueries[0], GL_QUERY_RESULT, &frameBegin);
- glGetQueryObjectui64vEXT(frameQueries[1], GL_QUERY_RESULT, &frameEnd);
- glDeleteQueries(2, frameQueries);
+ glGenQueries(3, query.ids);
- /* Add frame to profile */
- retrace::profiler.addFrame(trace::Profiler::Frame(retrace::frameNo, frameBegin, frameEnd - frameBegin));
+ if (retrace::profilingGpuTimes) {
+ if (supportsTimestamp) {
+ glQueryCounter(query.ids[0], GL_TIMESTAMP);
+ }
- /* Loop through all active call queries */
- for (std::vector<CallQuery>::iterator itr = callQueries.begin(); itr != callQueries.end(); ++itr) {
- CallQuery& query = *itr;
- GLuint64 timestamp, duration;
+ if (supportsElapsed) {
+ glBeginQuery(GL_TIME_ELAPSED, query.ids[1]);
+ }
+ }
- /* Get queue start and duration */
- glGetQueryObjectui64vEXT(query.ids[0], GL_QUERY_RESULT, ×tamp);
- glGetQueryObjectui64vEXT(query.ids[1], GL_QUERY_RESULT, &duration);
- glDeleteQueries(2, query.ids);
+ if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ glBeginQuery(GL_SAMPLES_PASSED, query.ids[2]);
+ }
- /* Add call to profile */
- retrace::profiler.addCall(trace::Profiler::Call(query.call, query.sig->name, timestamp, duration));
- }
+ if (retrace::profilingCpuTimes) {
+ query.start = os::getTime();
+ }
- callQueries.clear();
+ callQueries.push_back(query);
}
void
-beginProfileGPU(trace::Call &call) {
- if (frameQueries[0] == 0) {
- frame_start();
- }
+endProfile(trace::Call &call) {
+ if (retrace::profilingCpuTimes) {
+ CallQuery& query = callQueries.back();
+ query.duration = os::getTime() - query.start;
+ }
- CallQuery query;
- query.call = call.no;
- query.sig = call.sig;
+ if (retrace::profilingGpuTimes && supportsElapsed) {
+ glEndQuery(GL_TIME_ELAPSED);
+ }
- /* Create start and duration queries */
- glGenQueries(2, query.ids);
- glQueryCounter(query.ids[0], GL_TIMESTAMP);
- glBeginQuery(GL_TIME_ELAPSED, query.ids[1]);
+ if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ glEndQuery(GL_SAMPLES_PASSED);
+ }
+}
- callQueries.push_back(query);
+void
+frame_start() {
+ firstFrame = false;
+
+ if (retrace::profiling) {
+ retrace::profiler.addFrameStart(retrace::frameNo, getGpuTimestamp(), getCpuTimestamp());
+ }
}
void
-endProfileGPU(trace::Call &call) {
- glEndQuery(GL_TIME_ELAPSED);
+frame_complete(trace::Call &call) {
+ if (retrace::profiling) {
+ /* Complete any remaining queries */
+ flushQueries();
+
+ /* Indicate end of current frame */
+ retrace::profiler.addFrameEnd(getGpuTimestamp(), getCpuTimestamp());
+ }
+
+ retrace::frameComplete(call);
+
+ /* Indicate start of next frame */
+ frame_start();
+
+ if (!currentDrawable) {
+ return;
+ }
+
+ if (retrace::debug && !currentDrawable->visible) {
+ retrace::warning(call) << "could not infer drawable size (glViewport never called)\n";
+ }
}
} /* namespace glretrace */
void
retrace::flushRendering(void) {
+ glretrace::flushQueries();
glFlush();
}
projects / apitrace / blobdiff