Provide GL strings from renderer to ddms ping
Change-Id: I59c9e58c568a70855783e57514fec80b711d6a64
diff --git a/android/opengles.c b/android/opengles.c
index d1f4322..521dc03 100644
--- a/android/opengles.c
+++ b/android/opengles.c
@@ -46,6 +46,7 @@
DYNLINK_FUNC(initLibrary) \
DYNLINK_FUNC(setStreamMode) \
DYNLINK_FUNC(initOpenGLRenderer) \
+ DYNLINK_FUNC(getHardwareStrings) \
DYNLINK_FUNC(createOpenGLSubwindow) \
DYNLINK_FUNC(destroyOpenGLSubwindow) \
DYNLINK_FUNC(repaintOpenGLDisplay) \
@@ -151,6 +152,62 @@
return 0;
}
+static void strncpy_safe(char* dst, const char* src, size_t n)
+{
+ strncpy(dst, src, n);
+ dst[n-1] = '\0';
+}
+
+static void extractBaseString(char* dst, const char* src, size_t dstSize)
+{
+ size_t len = strlen(src);
+ const char* begin = strchr(src, '(');
+ const char* end = strrchr(src, ')');
+
+ if (!begin || !end) {
+ strncpy_safe(dst, src, dstSize);
+ return;
+ }
+ begin += 1;
+
+ // "foo (bar)"
+ // ^ ^
+ // b e
+ // = 5 8
+ // substring with NUL-terminator is end-begin+1 bytes
+ if (end - begin + 1 > dstSize) {
+ end = begin + dstSize - 1;
+ }
+
+ strncpy_safe(dst, begin, end - begin + 1);
+}
+
+void
+android_getOpenglesHardwareStrings(char* vendor, size_t vendorBufSize,
+ char* renderer, size_t rendererBufSize,
+ char* version, size_t versionBufSize)
+{
+ const char *vendorSrc, *rendererSrc, *versionSrc;
+
+ getHardwareStrings(&vendorSrc, &rendererSrc, &versionSrc);
+ if (!vendorSrc) vendorSrc = "";
+ if (!rendererSrc) rendererSrc = "";
+ if (!versionSrc) versionSrc = "";
+
+ /* Special case for the default ES to GL translators: extract the strings
+ * of the underlying OpenGL implementation. */
+ if (strncmp(vendorSrc, "Google", 6) == 0 &&
+ strncmp(rendererSrc, "Android Emulator OpenGL ES Translator", 37) == 0) {
+ extractBaseString(vendor, vendorSrc, vendorBufSize);
+ extractBaseString(renderer, rendererSrc, rendererBufSize);
+ extractBaseString(version, versionSrc, versionBufSize);
+ } else {
+ strncpy_safe(vendor, vendorSrc, vendorBufSize);
+ strncpy_safe(renderer, rendererSrc, rendererBufSize);
+ strncpy_safe(version, versionSrc, versionBufSize);
+ }
+}
+
void
android_stopOpenglesRenderer(void)
{