#include "glretrace.hpp"
#include "os_time.hpp"
+/* Synchronous debug output may reduce performance however,
+ * without it the callNo in the callback may be inaccurate
+ * as the callback may be called at any time.
+ */
+#define DEBUG_OUTPUT_SYNCHRONOUS 0
namespace glretrace {
unsigned call;
GLuint program;
const trace::FunctionSig *sig;
- uint64_t start;
- uint64_t duration;
+ uint64_t cpuStart;
+ uint64_t cpuEnd;
};
static bool supportsElapsed = true;
static bool supportsTimestamp = true;
static bool supportsOcclusion = true;
+static bool supportsDebugOutput = true;
static bool firstFrame = true;
static std::list<CallQuery> callQueries;
-static std::map<glws::Context*, GLuint> activePrograms;
+static void APIENTRY
+debugOutputCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
void
checkGlError(trace::Call &call) {
os << "\n";
}
-static GLuint64
+static inline GLuint64
getGpuTimestamp() {
GLuint query = 0;
GLuint64 timestamp = 0;
return timestamp;
}
-static GLuint64
+static inline GLuint64
getCpuTimestamp() {
if (retrace::profilingCpuTimes) {
- return os::getTime() * (1.0E9 / os::timeFrequency);
+ return os::getTime();
} else {
return 0;
}
static void
completeCallQuery(CallQuery& query) {
/* Get call start and duration */
- GLuint64 timestamp = 0, duration = 0, samples = 0;
+ GLuint64 gpuStart = 0, gpuDuration = 0, cpuDuration = 0, samples = 0;
if (retrace::profilingGpuTimes) {
if (supportsTimestamp) {
- glGetQueryObjectui64vEXT(query.ids[0], GL_QUERY_RESULT, ×tamp);
+ glGetQueryObjectui64vEXT(query.ids[0], GL_QUERY_RESULT, &gpuStart);
}
- if (supportsElapsed) {
- glGetQueryObjectui64vEXT(query.ids[1], GL_QUERY_RESULT, &duration);
- }
+ glGetQueryObjectui64vEXT(query.ids[1], GL_QUERY_RESULT, &gpuDuration);
+ }
+
+ if (retrace::profilingCpuTimes) {
+ cpuDuration = query.cpuEnd - query.cpuStart;
}
- if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ if (retrace::profilingPixelsDrawn) {
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);
+ retrace::profiler.addCall(query.call, query.sig->name, query.program, samples, gpuStart, gpuDuration, query.cpuStart, cpuDuration);
}
void
callQueries.clear();
}
-void setActiveProgram(GLuint program)
-{
- activePrograms[glretrace::currentContext] = program;
-}
-
-static GLuint
-getActiveProgram()
-{
- std::map<glws::Context*, GLuint>::iterator it;
- it = activePrograms.find(glretrace::currentContext);
- if (it == activePrograms.end())
- return 0;
-
- 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();
}
CallQuery query;
query.call = call.no;
query.sig = call.sig;
- query.program = getActiveProgram();
+ query.program = glretrace::currentContext ? glretrace::currentContext->activeProgram : 0;
glGenQueries(3, query.ids);
glQueryCounter(query.ids[0], GL_TIMESTAMP);
}
- if (supportsElapsed) {
- glBeginQuery(GL_TIME_ELAPSED, query.ids[1]);
- }
+ glBeginQuery(GL_TIME_ELAPSED, query.ids[1]);
}
- if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ if (retrace::profilingPixelsDrawn) {
glBeginQuery(GL_SAMPLES_PASSED, query.ids[2]);
}
if (retrace::profilingCpuTimes) {
- query.start = os::getTime();
+ query.cpuStart = getCpuTimestamp();
}
callQueries.push_back(query);
endProfile(trace::Call &call) {
if (retrace::profilingCpuTimes) {
CallQuery& query = callQueries.back();
- query.duration = (os::getTime() - query.start) * (1.0E9 / os::timeFrequency);
+ query.cpuEnd = getCpuTimestamp();
}
- if (retrace::profilingGpuTimes && supportsElapsed) {
+ if (retrace::profilingGpuTimes) {
glEndQuery(GL_TIME_ELAPSED);
}
- if (retrace::profilingPixelsDrawn && supportsOcclusion) {
+ if (retrace::profilingPixelsDrawn) {
glEndQuery(GL_SAMPLES_PASSED);
}
}
+void
+initContext() {
+ GLuint64 gpuTime, cpuTime;
+ const char* extensions;
+
+ extensions = (const char*)glGetString(GL_EXTENSIONS);
+
+ /* Ensure we have adequate extension support */
+ 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);
+ supportsDebugOutput = glws::checkExtension("GL_ARB_debug_output", 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);
+ }
+
+ GLint bits = 0;
+ 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);
+ }
+
+ if (retrace::debug && supportsDebugOutput) {
+ glDebugMessageCallbackARB(&debugOutputCallback, currentContext);
+
+ if (DEBUG_OUTPUT_SYNCHRONOUS) {
+ glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+ }
+ }
+
+ /* Sync the gpu and cpu start times */
+ gpuTime = getGpuTimestamp();
+ cpuTime = getCpuTimestamp();
+ retrace::profiler.setBaseTimes(gpuTime, cpuTime);
+}
+
void
frame_start() {
firstFrame = false;
}
}
+static const char*
+getDebugOutputSource(GLenum source) {
+ switch(source) {
+ case GL_DEBUG_SOURCE_API_ARB:
+ return "API";
+ case GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB:
+ return "Window System";
+ case GL_DEBUG_SOURCE_SHADER_COMPILER_ARB:
+ return "Shader Compiler";
+ case GL_DEBUG_SOURCE_THIRD_PARTY_ARB:
+ return "Third Party";
+ case GL_DEBUG_SOURCE_APPLICATION_ARB:
+ return "Application";
+ case GL_DEBUG_SOURCE_OTHER_ARB:
+ default:
+ return "";
+ }
+}
+
+static const char*
+getDebugOutputType(GLenum type) {
+ switch(type) {
+ case GL_DEBUG_TYPE_ERROR_ARB:
+ return "error";
+ case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB:
+ return "deprecated behaviour";
+ case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB:
+ return "undefined behaviour";
+ case GL_DEBUG_TYPE_PORTABILITY_ARB:
+ return "portability issue";
+ case GL_DEBUG_TYPE_PERFORMANCE_ARB:
+ return "performance issue";
+ case GL_DEBUG_TYPE_OTHER_ARB:
+ default:
+ return "unknown issue";
+ }
+}
+
+static const char*
+getDebugOutputSeverity(GLenum severity) {
+ switch(severity) {
+ case GL_DEBUG_SEVERITY_HIGH_ARB:
+ return "High";
+ case GL_DEBUG_SEVERITY_MEDIUM_ARB:
+ return "Medium";
+ case GL_DEBUG_SEVERITY_LOW_ARB:
+ return "Low";
+ default:
+ return "usnknown";
+ }
+}
+
+static void APIENTRY
+debugOutputCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam) {
+ std::cerr << retrace::callNo << ": ";
+ std::cerr << "glDebugOutputCallback: ";
+ std::cerr << getDebugOutputSeverity(severity) << " severity ";
+ std::cerr << getDebugOutputSource(source) << " " << getDebugOutputType(type);
+ std::cerr << " " << id;
+ std::cerr << ", " << message;
+ std::cerr << std::endl;
+}
+
} /* namespace glretrace */
projects / apitrace / blobdiff