glretrace: GLX and WGL support for ES2/EGL traces.

[apitrace] / cli / cli_trace.cpp

diff --git a/cli/cli_trace.cpp b/cli/cli_trace.cpp
index 2646ffd8a0190c1bd80b621145c3dd1162efb5e5..5903bdc5f7865cd7327a71b9b14f50d97a567e37 100644 (file)
--- a/cli/cli_trace.cpp
+++ b/cli/cli_trace.cpp
@@ -126,13 +126,14 @@ traceProgram(trace::API api,
         return 1;
     }
 
-    os::String wrapperPath = findWrapper(wrapperFilename);
+    os::String wrapperPath = findWrapper(wrapperFilename, verbose);
     if (!wrapperPath.length()) {
-        std::cerr << "error: failed to find " << wrapperFilename << "\n";
+        std::cerr << "error: failed to find " << wrapperFilename << " wrapper\n";
         goto exit;
     }
 
 #if defined(_WIN32)
+    useInject = true;
     if (useInject) {
         args.push_back("inject");
         args.push_back(wrapperPath);
@@ -153,38 +154,57 @@ traceProgram(trace::API api,
     wrapperPath.trimFilename();
 #endif
 
+    /*
+     * Spawn child process.
+     */
+
+    {
 #if defined(TRACE_VARIABLE)
-    if (verbose) {
-        std::cerr << TRACE_VARIABLE << "=" << wrapperPath.str() << "\n";
-    }
-    /* FIXME: Don't modify the current environment */
-    os::setEnvironment(TRACE_VARIABLE, wrapperPath.str());
+        const char *oldEnvVarValue = getenv(TRACE_VARIABLE);
+        if (oldEnvVarValue) {
+            wrapperPath.append(OS_PATH_SEP);
+            wrapperPath.append(oldEnvVarValue);
+        }
+
+        /* FIXME: Don't modify our (ie parent) environment */
+        os::setEnvironment(TRACE_VARIABLE, wrapperPath.str());
+
+        if (verbose) {
+            std::cerr << TRACE_VARIABLE << "=" << wrapperPath.str() << "\n";
+        }
 #endif /* TRACE_VARIABLE */
 
-    if (output) {
-        os::setEnvironment("TRACE_FILE", output);
-    }
+        if (output) {
+            os::setEnvironment("TRACE_FILE", output);
+        }
 
-    for (char * const * arg = argv; *arg; ++arg) {
-        args.push_back(*arg);
-    }
-    args.push_back(NULL);
+        for (char * const * arg = argv; *arg; ++arg) {
+            args.push_back(*arg);
+        }
 
-    if (verbose) {
-        const char *sep = "";
-        for (unsigned i = 0; i < args.size(); ++i) {
-            std::cerr << sep << args[i];
-            sep = " ";
+        if (verbose) {
+            const char *sep = "";
+            for (unsigned i = 0; i < args.size(); ++i) {
+                std::cerr << sep << args[i];
+                sep = " ";
+            }
+            std::cerr << "\n";
         }
-        std::cerr << "\n";
-    }
 
-    status = os::execute((char * const *)&args[0]);
+        args.push_back(NULL);
+
+        status = os::execute((char * const *)&args[0]);
 
-exit:
 #if defined(TRACE_VARIABLE)
-    os::unsetEnvironment(TRACE_VARIABLE);
+        if (oldEnvVarValue) {
+            os::setEnvironment(TRACE_VARIABLE, oldEnvVarValue);
+        } else {
+            os::unsetEnvironment(TRACE_VARIABLE);
+        }
 #endif
+    }
+
+exit:
 #if defined(_WIN32)
     if (!useInject) {
         os::String tmpWrapper(argv[0]);
@@ -219,7 +239,7 @@ usage(void)
         "    -v, --verbose       verbose output\n"
         "    -a, --api=API       specify API to trace ("
 #ifdef _WIN32
-                                                      "gl, d3d7, d3d8, d3d9, or d3d10"
+                                                      "gl, d3d7, d3d8, d3d9, or dxgi (for d3d10 and higher) "
 #else
                                                       "gl or egl"
 #endif