X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace%2Fglretrace_main.cpp;h=c01b67d2a17ad0f844a2817eb6d703f7fb5f5099;hb=c53c649fae47d25824e905e3a08d7a27585ffc3f;hp=49be5054ee07b727c9262e5faf8bf21b861e64d8;hpb=354c374f3a322a0ed80e68a3fce45a63d60a4ba9;p=apitrace

diff --git a/retrace/glretrace_main.cpp b/retrace/glretrace_main.cpp
old mode 100644
new mode 100755
index 49be505..c01b67d
--- a/retrace/glretrace_main.cpp
+++ b/retrace/glretrace_main.cpp
@@ -30,12 +30,39 @@
 #include "glproc.hpp"
 #include "glstate.hpp"
 #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 {
 
+bool insideList = false;
 bool insideGlBeginEnd = false;
 
+struct CallQuery
+{
+    GLuint ids[3];
+    unsigned call;
+    GLuint program;
+    const trace::FunctionSig *sig;
+    int64_t cpuStart;
+    int64_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 void APIENTRY
+debugOutputCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
 
 void
 checkGlError(trace::Call &call) {
@@ -82,10 +109,207 @@ checkGlError(trace::Call &call) {
     os << "\n";
 }
 
+static inline GLint64
+getGpuTimestamp() {
+    GLuint query = 0;
+    GLint64 timestamp = 0;
+
+    if (retrace::profilingGpuTimes && supportsTimestamp) {
+        glGenQueries(1, &query);
+        glQueryCounter(query, GL_TIMESTAMP);
+        glGetQueryObjecti64vEXT(query, GL_QUERY_RESULT, &timestamp);
+        glDeleteQueries(1, &query);
+    }
+
+    return timestamp;
+}
+
+static inline GLint64
+getCpuTimestamp() {
+    if (retrace::profilingCpuTimes) {
+        return os::getTime();
+    } else {
+        return 0;
+    }
+}
+
+static void
+completeCallQuery(CallQuery& query) {
+    /* Get call start and duration */
+    GLint64 gpuStart = 0, gpuDuration = 0, cpuDuration = 0, samples = 0;
+
+    if (retrace::profilingGpuTimes) {
+        if (supportsTimestamp) {
+            glGetQueryObjecti64vEXT(query.ids[0], GL_QUERY_RESULT, &gpuStart);
+        }
+
+        glGetQueryObjecti64vEXT(query.ids[1], GL_QUERY_RESULT, &gpuDuration);
+    }
+
+    if (retrace::profilingCpuTimes) {
+        cpuDuration = query.cpuEnd - query.cpuStart;
+    }
+
+    if (retrace::profilingPixelsDrawn) {
+        glGetQueryObjecti64vEXT(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, gpuStart, gpuDuration, query.cpuStart, cpuDuration);
+}
+
+void
+flushQueries() {
+    for (std::list<CallQuery>::iterator itr = callQueries.begin(); itr != callQueries.end(); ++itr) {
+        completeCallQuery(*itr);
+    }
+
+    callQueries.clear();
+}
+
+void
+beginProfile(trace::Call &call, bool isDraw) {
+    if (firstFrame) {
+        frame_start();
+    }
+
+    /* Create call query */
+    CallQuery query;
+    query.call = call.no;
+    query.sig = call.sig;
+    query.program = glretrace::currentContext ? glretrace::currentContext->activeProgram : 0;
+
+    if (isDraw) {
+        glGenQueries(3, query.ids);
+
+        if (retrace::profilingGpuTimes) {
+            if (supportsTimestamp) {
+                glQueryCounter(query.ids[0], GL_TIMESTAMP);
+            }
+
+            glBeginQuery(GL_TIME_ELAPSED, query.ids[1]);
+        }
+
+        if (retrace::profilingPixelsDrawn) {
+            glBeginQuery(GL_SAMPLES_PASSED, query.ids[2]);
+        }
+    }
+
+    if (retrace::profilingCpuTimes) {
+        query.cpuStart = getCpuTimestamp();
+    }
+
+    callQueries.push_back(query);
+}
+
+void
+endProfile(trace::Call &call, bool isDraw) {
+    if (retrace::profilingCpuTimes) {
+        CallQuery& query = callQueries.back();
+        query.cpuEnd = getCpuTimestamp();
+
+        if (!isDraw) {
+            retrace::profiler.addCall(query.call, query.sig->name, query.program, -1, 0, 0, query.cpuStart, query.cpuEnd - query.cpuStart);
+            callQueries.pop_back();
+        }
+    }
+
+    if (isDraw) {
+        if (retrace::profilingGpuTimes) {
+            glEndQuery(GL_TIME_ELAPSED);
+        }
+
+        if (retrace::profilingPixelsDrawn) {
+            glEndQuery(GL_SAMPLES_PASSED);
+        }
+    }
+}
+
+void
+initContext() {
+    GLint64 gpuTime = 0, cpuTime = 0;
+    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 */
+    if (!retrace::profiler.hasBaseTimes()) {
+        if (retrace::profilingGpuTimes) {
+            gpuTime = getGpuTimestamp();
+        }
+
+        if (retrace::profilingCpuTimes) {
+            cpuTime = getCpuTimestamp();
+        }
+
+        retrace::profiler.setBaseTimes(gpuTime, cpuTime);
+    }
+}
+
+void
+frame_start() {
+    firstFrame = false;
+
+    if (retrace::profiling) {
+        int64_t gpuStart = getGpuTimestamp();
+        int64_t cpuStart = getCpuTimestamp();
+        retrace::profiler.addFrameStart(retrace::frameNo, gpuStart, cpuStart);
+    }
+}
+
+void
+frame_complete(trace::Call &call) {
+    if (retrace::profiling) {
+        /* Complete any remaining queries */
+        flushQueries();
+
+        /* Indicate end of current frame */
+        int64_t gpuEnd = getGpuTimestamp();
+        int64_t cpuEnd = getCpuTimestamp();
+        retrace::profiler.addFrameEnd(gpuEnd, cpuEnd);
+    }
 
-void frame_complete(trace::Call &call) {
     retrace::frameComplete(call);
 
+    /* Indicate start of next frame */
+    frame_start();
+
     if (!currentDrawable) {
         return;
     }
@@ -95,6 +319,68 @@ void 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 */
 
@@ -142,6 +428,7 @@ retrace::dumpState(std::ostream &os)
 
 void
 retrace::flushRendering(void) {
+    glretrace::flushQueries();
     glFlush();
 }