Merge branch 'profile-gui'

[apitrace] / retrace / glretrace_main.cpp

diff --git a/retrace/glretrace_main.cpp b/retrace/glretrace_main.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 9d551af..df10f43
--- a/retrace/glretrace_main.cpp
+++ b/retrace/glretrace_main.cpp
@@ -32,6 +32,11 @@
 #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 {
 
@@ -55,6 +60,8 @@ static bool supportsOcclusion = true;
 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) {
@@ -119,7 +126,7 @@ getGpuTimestamp() {
 static GLuint64
 getCpuTimestamp() {
     if (retrace::profilingCpuTimes) {
-        return os::getTime() * (1.0E9 / os::timeFrequency);
+        return os::getTime();
     } else {
         return 0;
     }
@@ -198,7 +205,7 @@ void
 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) {
@@ -214,7 +221,6 @@ void
 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;
@@ -226,6 +232,7 @@ initContext() {
             exit(-1);
         }
 
+        GLint bits = 0;
         glGetQueryiv(GL_TIME_ELAPSED, GL_QUERY_COUNTER_BITS, &bits);
 
         if (!bits) {
@@ -238,6 +245,18 @@ initContext() {
         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
@@ -273,6 +292,69 @@ frame_complete(trace::Call &call) {
     }
 }
 
+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 */