From: José Fonseca <jose.r.fonseca@gmail.com>
Date: Thu, 10 Nov 2011 06:37:13 +0000 (+0000)
Subject: Add an "--api" option to "apitrace trace" allowing to choose egl.
X-Git-Url: https://git.cworth.org/git?a=commitdiff_plain;h=8f28cd84c31bfe031a0f9ae119f0bcc55d59286e;p=apitrace

Add an "--api" option to "apitrace trace" allowing to choose egl.
---

diff --git a/cli/cli_trace.cpp b/cli/cli_trace.cpp
index b96dca8..92251b4 100644
--- a/cli/cli_trace.cpp
+++ b/cli/cli_trace.cpp
@@ -50,6 +50,8 @@ usage(void)
         "    with other apitrace utilities for replay or analysis.\n"
         "\n"
         "    -v, --verbose       verbose output\n"
+        "    -a, --api API       specify API to trace (gl or egl);\n"
+        "                        default is `gl`\n"
         "    -o, --output TRACE  specify output trace file;\n"
         "                        default is `PROGRAM.trace`\n";
 }
@@ -58,6 +60,7 @@ static int
 command(int argc, char *argv[])
 {
     bool verbose = false;
+    trace::API api = trace::API_GL;
     const char *output = NULL;
     int i;
 
@@ -78,6 +81,18 @@ command(int argc, char *argv[])
         } else if (strcmp(arg, "-v") == 0 ||
                    strcmp(arg, "--verbose") == 0) {
             verbose = true;
+        } else if (strcmp(arg, "-a") == 0 ||
+                   strcmp(arg, "--api") == 0) {
+            arg = argv[i++];
+            if (strcmp(arg, "gl") == 0) {
+                api = trace::API_GL;
+            } else if (strcmp(arg, "egl") == 0) {
+                api = trace::API_EGL;
+            } else {
+                std::cerr << "error: unknown API `" << arg << "`\n";
+                usage();
+                return 1;
+            }
         } else if (strcmp(arg, "-o") == 0 ||
                    strcmp(arg, "--output") == 0) {
             output = argv[i++];
@@ -95,7 +110,7 @@ command(int argc, char *argv[])
     }
 
     assert(argv[argc] == 0);
-    return trace::traceProgram(argv + i, output, verbose);
+    return trace::traceProgram(api, argv + i, output, verbose);
 }
 
 const Command trace_command = {
diff --git a/common/trace_tools.hpp b/common/trace_tools.hpp
index f141d2c..ed786e9 100644
--- a/common/trace_tools.hpp
+++ b/common/trace_tools.hpp
@@ -38,13 +38,20 @@ namespace os {
 namespace trace {
 
 
+enum API {
+    API_GL, // GL + GLX/WGL/CGL
+    API_EGL, // GL/GLES1/GLES2/VG + EGL
+};
+
+
 os::Path
 findFile(const char *relPath, // path relative to the current program
          const char *absPath, // absolute path
          bool verbose);
 
 int
-traceProgram(char * const *argv,
+traceProgram(API api,
+             char * const *argv,
              const char *output = NULL,
              bool verbose = false);
 
diff --git a/common/trace_tools_trace.cpp b/common/trace_tools_trace.cpp
index 9a69928..d1d6483 100644
--- a/common/trace_tools_trace.cpp
+++ b/common/trace_tools_trace.cpp
@@ -39,14 +39,15 @@ namespace trace {
 
 
 #if defined(__APPLE__)
-#define CLI_TRACE_VARIABLE "DYLD_LIBRARY_PATH"
-#define CLI_TRACE_WRAPPER  "OpenGL"
+#define TRACE_VARIABLE "DYLD_LIBRARY_PATH"
+#define GL_TRACE_WRAPPER  "OpenGL"
 #elif defined(_WIN32)
-#define CLI_TRACE_VARIABLE ""
-#define CLI_TRACE_WRAPPER  "opengl32.dll"
+#define TRACE_VARIABLE ""
+#define GL_TRACE_WRAPPER  "opengl32.dll"
 #else
-#define CLI_TRACE_VARIABLE "LD_PRELOAD"
-#define CLI_TRACE_WRAPPER  "glxtrace.so"
+#define TRACE_VARIABLE "LD_PRELOAD"
+#define GL_TRACE_WRAPPER  "glxtrace.so"
+#define EGL_TRACE_WRAPPER  "egltrace.so"
 #endif
 
 
@@ -84,13 +85,35 @@ findFile(const char *relPath,
 
 
 int
-traceProgram(char * const *argv,
+traceProgram(API api,
+             char * const *argv,
              const char *output,
              bool verbose)
 {
-    os::Path wrapper;
+    const char *relPath;
+    const char *absPath;
+
+    switch (api) {
+    case API_GL:
+        relPath = "wrappers/" GL_TRACE_WRAPPER;
+        absPath = APITRACE_WRAPPER_INSTALL_DIR "/" GL_TRACE_WRAPPER;
+        break;
+    case API_EGL:
+#ifndef EGL_TRACE_WRAPPER
+        std::cerr << "error: unsupported API\n";
+        return 1;
+#else
+        relPath = "wrappers/" EGL_TRACE_WRAPPER;
+        absPath = APITRACE_WRAPPER_INSTALL_DIR "/" EGL_TRACE_WRAPPER;
+        break;
+#endif
+    default:
+        std::cerr << "error: invalid API\n";
+        return 1;
+    }
 
-    wrapper = findFile("wrappers/" CLI_TRACE_WRAPPER, APITRACE_WRAPPER_INSTALL_DIR "/" CLI_TRACE_WRAPPER, verbose);
+    os::Path wrapper;
+    wrapper = findFile(relPath, absPath, verbose);
 
     if (!wrapper.length()) {
         return 1;
@@ -113,11 +136,11 @@ traceProgram(char * const *argv,
 #endif
 
     if (verbose) {
-        std::cerr << CLI_TRACE_VARIABLE << "=" << wrapper.str() << "\n";
+        std::cerr << TRACE_VARIABLE << "=" << wrapper.str() << "\n";
     }
 
     /* FIXME: Don't modify the current environment */
-    setenv(CLI_TRACE_VARIABLE, wrapper.str(), 1);
+    setenv(TRACE_VARIABLE, wrapper.str(), 1);
 
     if (output) {
         setenv("TRACE_FILE", output, 1);
@@ -134,7 +157,7 @@ traceProgram(char * const *argv,
 
     execvp(argv[0], argv);
 
-    unsetenv(CLI_TRACE_VARIABLE);
+    unsetenv(TRACE_VARIABLE);
     if (output) {
         unsetenv("TRACE_FILE");
     }