diff options
Diffstat (limited to 'android/opengles.c')
| -rw-r--r-- | android/opengles.c | 57 |
1 files changed, 57 insertions, 0 deletions
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 @@ int android_gles_fast_pipes = 1; 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 @@ android_startOpenglesRenderer(int width, int height, OnPostFunc onPost, void* on 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) { |