#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 {
static bool firstFrame = true;
static std::list<CallQuery> callQueries;
+static void APIENTRY
+debugOutputCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
void
checkGlError(trace::Call &call) {
static GLuint64
getCpuTimestamp() {
if (retrace::profilingCpuTimes) {
- return os::getTime() * (1.0E9 / os::timeFrequency);
+ return os::getTime();
} else {
return 0;
}
endProfile(trace::Call &call) {
if (retrace::profilingCpuTimes) {
CallQuery& query = callQueries.back();
- query.duration = (os::getTime() - query.start) * (1.0E9 / os::timeFrequency);
+ query.duration = os::getTime() - query.start;
}
if (retrace::profilingGpuTimes && supportsElapsed) {
initContext() {
/* 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;
exit(-1);
}
+ GLint bits = 0;
glGetQueryiv(GL_TIME_ELAPSED, GL_QUERY_COUNTER_BITS, &bits);
if (!bits) {
std::cout << "Error: Cannot run profile, GL_ARB_occlusion_query extension is not supported." << std::endl;
exit(-1);
}
+
+ if (retrace::debug) {
+ bool supportsDebugOutput = glws::checkExtension("GL_ARB_debug_output", extensions);
+
+ if (supportsDebugOutput) {
+ glDebugMessageCallbackARB(&debugOutputCallback, currentContext);
+
+ if (DEBUG_OUTPUT_SYNCHRONOUS) {
+ glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+ }
+ }
+ }
}
void
}
}
+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 */