Add initContext to glretrace.

[apitrace] / retrace / glretrace_main.cpp

diff --git a/retrace/glretrace_main.cpp b/retrace/glretrace_main.cpp
index ca7f9b7b6874654751ee894b62a533dbcc8d98c5..9d551af2890819b17d1789f65c2e70e577483632 100644 (file)
--- a/retrace/glretrace_main.cpp
+++ b/retrace/glretrace_main.cpp
@@ -162,33 +162,6 @@ flushQueries() {
 void
 beginProfile(trace::Call &call) {
     if (firstFrame) {
-        /* 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;
-        supportsOcclusion = glws::checkExtension("GL_ARB_occlusion_query", 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);
-            }
-
-            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);
-        }
-
         frame_start();
     }
 
@@ -237,6 +210,36 @@ endProfile(trace::Call &call) {
     }
 }
 
+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;
+    supportsOcclusion = glws::checkExtension("GL_ARB_occlusion_query", 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);
+        }
+
+        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);
+    }
+}
+
 void
 frame_start() {
     firstFrame = false;