opengl renderer: added option to dump GL stream to file.
This is a debugging tool which enables to dump the guest
command stream to a file which can be later be examined
and "played" using a seperate tool.
Change-Id: I3fec19c1a651f0ed4394c33a0c0cd9ba54384355
diff --git a/tools/emulator/opengl/host/libs/libOpenglRender/RenderThread.cpp b/tools/emulator/opengl/host/libs/libOpenglRender/RenderThread.cpp
index af2363f..be7569b 100644
--- a/tools/emulator/opengl/host/libs/libOpenglRender/RenderThread.cpp
+++ b/tools/emulator/opengl/host/libs/libOpenglRender/RenderThread.cpp
@@ -56,6 +56,22 @@
int stats_totalBytes = 0;
long long stats_t0 = GetCurrentTimeMS();
+ //
+ // open dump file if RENDER_DUMP_DIR is defined
+ //
+ const char *dump_dir = getenv("RENDERER_DUMP_DIR");
+ FILE *dumpFP = NULL;
+ if (dump_dir) {
+ size_t bsize = strlen(dump_dir) + 32;
+ char *fname = new char[bsize];
+ snprintf(fname,bsize,"%s/stream_%p", dump_dir, this);
+ dumpFP = fopen(fname, "wb");
+ if (!dumpFP) {
+ fprintf(stderr,"Warning: stream dump failed to open file %s\n",fname);
+ }
+ delete [] fname;
+ }
+
while (1) {
int stat = readBuf.getData();
@@ -76,6 +92,15 @@
stats_t0 = GetCurrentTimeMS();
}
+ //
+ // dump stream to file if needed
+ //
+ if (dumpFP) {
+ int skip = readBuf.validData() - stat;
+ fwrite(readBuf.buf()+skip, 1, readBuf.validData()-skip, dumpFP);
+ fflush(dumpFP);
+ }
+
bool progress;
do {
progress = false;
@@ -112,5 +137,9 @@
}
+ if (dumpFP) {
+ fclose(dumpFP);
+ }
+
return 0;
}
