auto import from //depot/cupcake/@135843
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
new file mode 100644
index 0000000..687c8bc
--- /dev/null
+++ b/opengl/libs/EGL/egl.cpp
@@ -0,0 +1,1363 @@
+/*
+ ** Copyright 2007, The Android Open Source Project
+ **
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ **
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ **
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ */
+
+#define LOG_TAG "GLLogger"
+
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <dlfcn.h>
+
+#include <sys/ioctl.h>
+
+#if HAVE_ANDROID_OS
+#include <linux/android_pmem.h>
+#endif
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+#include <cutils/properties.h>
+#include <cutils/memory.h>
+
+#include <utils/RefBase.h>
+
+#include "hooks.h"
+#include "egl_impl.h"
+
+
+#define MAKE_CONFIG(_impl, _index) ((EGLConfig)(((_impl)<<24) | (_index)))
+#define setError(_e, _r) setErrorEtc(__FUNCTION__, __LINE__, _e, _r)
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+#define VERSION_MAJOR 1
+#define VERSION_MINOR 4
+static char const * const gVendorString = "Android";
+static char const * const gVersionString = "1.31 Android META-EGL";
+static char const * const gClientApiString = "OpenGL ES";
+static char const * const gExtensionString = "";
+
+template <int MAGIC>
+struct egl_object_t
+{
+ egl_object_t() : magic(MAGIC) { }
+ ~egl_object_t() { magic = 0; }
+ bool isValid() const { return magic == MAGIC; }
+private:
+ uint32_t magic;
+};
+
+struct egl_display_t : public egl_object_t<'_dpy'>
+{
+ EGLDisplay dpys[2];
+ EGLConfig* configs[2];
+ EGLint numConfigs[2];
+ EGLint numTotalConfigs;
+ char const* extensionsString;
+ volatile int32_t refs;
+ struct strings_t {
+ char const * vendor;
+ char const * version;
+ char const * clientApi;
+ char const * extensions;
+ };
+ strings_t queryString[2];
+};
+
+struct egl_surface_t : public egl_object_t<'_srf'>
+{
+ egl_surface_t(EGLDisplay dpy, EGLSurface surface,
+ NativeWindowType window, int impl, egl_connection_t const* cnx)
+ : dpy(dpy), surface(surface), window(window), impl(impl), cnx(cnx)
+ {
+ // NOTE: window must be incRef'ed and connected already
+ }
+ ~egl_surface_t() {
+ if (window) {
+ if (window->disconnect)
+ window->disconnect(window);
+ window->decRef(window);
+ }
+ }
+ EGLDisplay dpy;
+ EGLSurface surface;
+ NativeWindowType window;
+ int impl;
+ egl_connection_t const* cnx;
+};
+
+struct egl_context_t : public egl_object_t<'_ctx'>
+{
+ egl_context_t(EGLDisplay dpy, EGLContext context,
+ int impl, egl_connection_t const* cnx)
+ : dpy(dpy), context(context), read(0), draw(0), impl(impl), cnx(cnx)
+ {
+ }
+ EGLDisplay dpy;
+ EGLContext context;
+ EGLSurface read;
+ EGLSurface draw;
+ int impl;
+ egl_connection_t const* cnx;
+};
+
+struct tls_t
+{
+ tls_t() : error(EGL_SUCCESS), ctx(0) { }
+ EGLint error;
+ EGLContext ctx;
+};
+
+static void gl_unimplemented() {
+ LOGE("called unimplemented OpenGL ES API");
+}
+
+// ----------------------------------------------------------------------------
+// GL / EGL hooks
+// ----------------------------------------------------------------------------
+
+#undef GL_ENTRY
+#undef EGL_ENTRY
+#define GL_ENTRY(_r, _api, ...) #_api,
+#define EGL_ENTRY(_r, _api, ...) #_api,
+
+static char const * const gl_names[] = {
+ #include "gl_entries.in"
+ NULL
+};
+
+static char const * const egl_names[] = {
+ #include "egl_entries.in"
+ NULL
+};
+
+#undef GL_ENTRY
+#undef EGL_ENTRY
+
+// ----------------------------------------------------------------------------
+
+egl_connection_t gEGLImpl[2];
+static egl_display_t gDisplay[NUM_DISPLAYS];
+static pthread_mutex_t gThreadLocalStorageKeyMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_key_t gEGLThreadLocalStorageKey = -1;
+
+// ----------------------------------------------------------------------------
+
+gl_hooks_t gHooks[IMPL_NUM_IMPLEMENTATIONS];
+pthread_key_t gGLWrapperKey = -1;
+
+// ----------------------------------------------------------------------------
+
+static __attribute__((noinline))
+const char *egl_strerror(EGLint err)
+{
+ switch (err){
+ case EGL_SUCCESS: return "EGL_SUCCESS";
+ case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
+ case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
+ case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
+ case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
+ case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
+ case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
+ case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
+ case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
+ case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
+ case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
+ case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
+ case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
+ case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
+ case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
+ default: return "UNKNOWN";
+ }
+}
+
+static __attribute__((noinline))
+void clearTLS() {
+ if (gEGLThreadLocalStorageKey != -1) {
+ tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
+ if (tls) {
+ delete tls;
+ pthread_setspecific(gEGLThreadLocalStorageKey, 0);
+ }
+ }
+}
+
+static tls_t* getTLS()
+{
+ tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
+ if (tls == 0) {
+ tls = new tls_t;
+ pthread_setspecific(gEGLThreadLocalStorageKey, tls);
+ }
+ return tls;
+}
+
+template<typename T>
+static __attribute__((noinline))
+T setErrorEtc(const char* caller, int line, EGLint error, T returnValue) {
+ if (gEGLThreadLocalStorageKey == -1) {
+ pthread_mutex_lock(&gThreadLocalStorageKeyMutex);
+ if (gEGLThreadLocalStorageKey == -1)
+ pthread_key_create(&gEGLThreadLocalStorageKey, NULL);
+ pthread_mutex_unlock(&gThreadLocalStorageKeyMutex);
+ }
+ tls_t* tls = getTLS();
+ if (tls->error != error) {
+ LOGE("%s:%d error %x (%s)", caller, line, error, egl_strerror(error));
+ tls->error = error;
+ }
+ return returnValue;
+}
+
+static __attribute__((noinline))
+GLint getError() {
+ if (gEGLThreadLocalStorageKey == -1)
+ return EGL_SUCCESS;
+ tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
+ if (!tls) return EGL_SUCCESS;
+ GLint error = tls->error;
+ tls->error = EGL_SUCCESS;
+ return error;
+}
+
+static __attribute__((noinline))
+void setContext(EGLContext ctx) {
+ if (gEGLThreadLocalStorageKey == -1) {
+ pthread_mutex_lock(&gThreadLocalStorageKeyMutex);
+ if (gEGLThreadLocalStorageKey == -1)
+ pthread_key_create(&gEGLThreadLocalStorageKey, NULL);
+ pthread_mutex_unlock(&gThreadLocalStorageKeyMutex);
+ }
+ tls_t* tls = getTLS();
+ tls->ctx = ctx;
+}
+
+static __attribute__((noinline))
+EGLContext getContext() {
+ if (gEGLThreadLocalStorageKey == -1)
+ return EGL_NO_CONTEXT;
+ tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey);
+ if (!tls) return EGL_NO_CONTEXT;
+ return tls->ctx;
+}
+
+
+/*****************************************************************************/
+
+class ISurfaceComposer;
+const sp<ISurfaceComposer>& getSurfaceFlinger();
+request_gpu_t* gpu_acquire(void* user);
+int gpu_release(void*, request_gpu_t* gpu);
+
+static __attribute__((noinline))
+void *load_driver(const char* driver, gl_hooks_t* hooks)
+{
+ void* dso = dlopen(driver, RTLD_NOW | RTLD_LOCAL);
+ LOGE_IF(!dso,
+ "couldn't load <%s> library (%s)",
+ driver, dlerror());
+
+ if (dso) {
+ void** curr;
+ char const * const * api;
+ gl_hooks_t::gl_t* gl = &hooks->gl;
+ curr = (void**)gl;
+ api = gl_names;
+ while (*api) {
+ void* f = dlsym(dso, *api);
+ //LOGD("<%s> @ 0x%p", *api, f);
+ if (f == NULL) {
+ //LOGW("<%s> not found in %s", *api, driver);
+ f = (void*)gl_unimplemented;
+ }
+ *curr++ = f;
+ api++;
+ }
+ gl_hooks_t::egl_t* egl = &hooks->egl;
+ curr = (void**)egl;
+ api = egl_names;
+ while (*api) {
+ void* f = dlsym(dso, *api);
+ if (f == NULL) {
+ //LOGW("<%s> not found in %s", *api, driver);
+ f = (void*)0;
+ }
+ *curr++ = f;
+ api++;
+ }
+
+ // hook this driver up with surfaceflinger if needed
+ register_gpu_t register_gpu =
+ (register_gpu_t)dlsym(dso, "oem_register_gpu");
+
+ if (register_gpu != NULL) {
+ if (getSurfaceFlinger() != 0) {
+ register_gpu(dso, gpu_acquire, gpu_release);
+ }
+ }
+ }
+ return dso;
+}
+
+template<typename T>
+static __attribute__((noinline))
+int binarySearch(
+ T const sortedArray[], int first, int last, T key)
+{
+ while (first <= last) {
+ int mid = (first + last) / 2;
+ if (key > sortedArray[mid]) {
+ first = mid + 1;
+ } else if (key < sortedArray[mid]) {
+ last = mid - 1;
+ } else {
+ return mid;
+ }
+ }
+ return -1;
+}
+
+static EGLint configToUniqueId(egl_display_t const* dp, int i, int index)
+{
+ // NOTE: this mapping works only if we have no more than two EGLimpl
+ return (i>0 ? dp->numConfigs[0] : 0) + index;
+}
+
+static void uniqueIdToConfig(egl_display_t const* dp, EGLint configId,
+ int& i, int& index)
+{
+ // NOTE: this mapping works only if we have no more than two EGLimpl
+ size_t numConfigs = dp->numConfigs[0];
+ i = configId / numConfigs;
+ index = configId % numConfigs;
+}
+
+static int cmp_configs(const void* a, const void *b)
+{
+ EGLConfig c0 = *(EGLConfig const *)a;
+ EGLConfig c1 = *(EGLConfig const *)b;
+ return c0<c1 ? -1 : (c0>c1 ? 1 : 0);
+}
+
+struct extention_map_t {
+ const char* name;
+ __eglMustCastToProperFunctionPointerType address;
+};
+
+static const extention_map_t gExtentionMap[] = {
+};
+
+static extention_map_t gGLExtentionMap[MAX_NUMBER_OF_GL_EXTENSIONS];
+
+static void(*findProcAddress(const char* name,
+ const extention_map_t* map, size_t n))()
+{
+ for (uint32_t i=0 ; i<n ; i++) {
+ if (!strcmp(name, map[i].name)) {
+ return map[i].address;
+ }
+ }
+ return NULL;
+}
+
+// ----------------------------------------------------------------------------
+
+static int gl_context_lost() {
+ setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
+ return 0;
+}
+static int egl_context_lost() {
+ setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
+ return EGL_FALSE;
+}
+static EGLBoolean egl_context_lost_swap_buffers(void*, void*) {
+ usleep(100000); // don't use all the CPU
+ setGlThreadSpecific(&gHooks[IMPL_CONTEXT_LOST]);
+ return EGL_FALSE;
+}
+static GLint egl_context_lost_get_error() {
+ return EGL_CONTEXT_LOST;
+}
+static int ext_context_lost() {
+ return 0;
+}
+
+static void gl_no_context() {
+ LOGE("call to OpenGL ES API with no current context");
+}
+static void early_egl_init(void)
+{
+#if !USE_FAST_TLS_KEY
+ pthread_key_create(&gGLWrapperKey, NULL);
+#endif
+ uint32_t addr = (uint32_t)((void*)gl_no_context);
+ android_memset32(
+ (uint32_t*)(void*)&gHooks[IMPL_NO_CONTEXT],
+ addr,
+ sizeof(gHooks[IMPL_NO_CONTEXT]));
+ setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
+}
+
+static pthread_once_t once_control = PTHREAD_ONCE_INIT;
+static int sEarlyInitState = pthread_once(&once_control, &early_egl_init);
+
+
+static inline
+egl_display_t* get_display(EGLDisplay dpy)
+{
+ uintptr_t index = uintptr_t(dpy)-1U;
+ return (index >= NUM_DISPLAYS) ? NULL : &gDisplay[index];
+}
+
+static inline
+egl_surface_t* get_surface(EGLSurface surface)
+{
+ egl_surface_t* s = (egl_surface_t *)surface;
+ return s;
+}
+
+static inline
+egl_context_t* get_context(EGLContext context)
+{
+ egl_context_t* c = (egl_context_t *)context;
+ return c;
+}
+
+static egl_connection_t* validate_display_config(
+ EGLDisplay dpy, EGLConfig config,
+ egl_display_t const*& dp, int& impl, int& index)
+{
+ dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, (egl_connection_t*)NULL);
+
+ impl = uintptr_t(config)>>24;
+ if (uint32_t(impl) >= 2) {
+ return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
+ }
+ index = uintptr_t(config) & 0xFFFFFF;
+ if (index >= dp->numConfigs[impl]) {
+ return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
+ }
+ egl_connection_t* const cnx = &gEGLImpl[impl];
+ if (cnx->dso == 0) {
+ return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL);
+ }
+ return cnx;
+}
+
+static EGLBoolean validate_display_context(EGLDisplay dpy, EGLContext ctx)
+{
+ if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+ if (!get_display(dpy)->isValid())
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+ if (!ctx) // TODO: make sure context is a valid object
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (!get_context(ctx)->isValid())
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ return EGL_TRUE;
+}
+
+static EGLBoolean validate_display_surface(EGLDisplay dpy, EGLSurface surface)
+{
+ if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+ if (!get_display(dpy)->isValid())
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+ if (!surface) // TODO: make sure surface is a valid object
+ return setError(EGL_BAD_SURFACE, EGL_FALSE);
+ if (!get_surface(surface)->isValid())
+ return setError(EGL_BAD_SURFACE, EGL_FALSE);
+ return EGL_TRUE;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
+
+using namespace android;
+
+EGLDisplay eglGetDisplay(NativeDisplayType display)
+{
+ if (sEarlyInitState) {
+ return EGL_NO_DISPLAY;
+ }
+
+ uint32_t index = uint32_t(display);
+ if (index >= NUM_DISPLAYS) {
+ return EGL_NO_DISPLAY;
+ }
+
+ EGLDisplay dpy = EGLDisplay(uintptr_t(display) + 1LU);
+ egl_display_t* d = &gDisplay[index];
+
+ // dynamically load all our EGL implementations for that display
+ // and call into the real eglGetGisplay()
+ egl_connection_t* cnx = &gEGLImpl[IMPL_SOFTWARE];
+ if (cnx->dso == 0) {
+ cnx->hooks = &gHooks[IMPL_SOFTWARE];
+ cnx->dso = load_driver("libagl.so", cnx->hooks);
+ }
+ if (cnx->dso && d->dpys[IMPL_SOFTWARE]==EGL_NO_DISPLAY) {
+ d->dpys[IMPL_SOFTWARE] = cnx->hooks->egl.eglGetDisplay(display);
+ LOGE_IF(d->dpys[IMPL_SOFTWARE]==EGL_NO_DISPLAY,
+ "No EGLDisplay for software EGL!");
+ }
+
+ cnx = &gEGLImpl[IMPL_HARDWARE];
+ if (cnx->dso == 0 && cnx->unavailable == 0) {
+ char value[PROPERTY_VALUE_MAX];
+ property_get("debug.egl.hw", value, "1");
+ if (atoi(value) != 0) {
+ cnx->hooks = &gHooks[IMPL_HARDWARE];
+ cnx->dso = load_driver("libhgl.so", cnx->hooks);
+ } else {
+ LOGD("3D hardware acceleration is disabled");
+ }
+ }
+ if (cnx->dso && d->dpys[IMPL_HARDWARE]==EGL_NO_DISPLAY) {
+ android_memset32(
+ (uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].gl,
+ (uint32_t)((void*)gl_context_lost),
+ sizeof(gHooks[IMPL_CONTEXT_LOST].gl));
+ android_memset32(
+ (uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].egl,
+ (uint32_t)((void*)egl_context_lost),
+ sizeof(gHooks[IMPL_CONTEXT_LOST].egl));
+ android_memset32(
+ (uint32_t*)(void*)&gHooks[IMPL_CONTEXT_LOST].ext,
+ (uint32_t)((void*)ext_context_lost),
+ sizeof(gHooks[IMPL_CONTEXT_LOST].ext));
+
+ gHooks[IMPL_CONTEXT_LOST].egl.eglSwapBuffers =
+ egl_context_lost_swap_buffers;
+
+ gHooks[IMPL_CONTEXT_LOST].egl.eglGetError =
+ egl_context_lost_get_error;
+
+ gHooks[IMPL_CONTEXT_LOST].egl.eglTerminate =
+ gHooks[IMPL_HARDWARE].egl.eglTerminate;
+
+ d->dpys[IMPL_HARDWARE] = cnx->hooks->egl.eglGetDisplay(display);
+ if (d->dpys[IMPL_HARDWARE] == EGL_NO_DISPLAY) {
+ LOGE("h/w accelerated eglGetDisplay() failed (%s)",
+ egl_strerror(cnx->hooks->egl.eglGetError()));
+ dlclose((void*)cnx->dso);
+ cnx->dso = 0;
+ // in case of failure, we want to make sure we don't try again
+ // as it's expensive.
+ cnx->unavailable = 1;
+ }
+ }
+
+ return dpy;
+}
+
+// ----------------------------------------------------------------------------
+// Initialization
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+ egl_display_t * const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ if (android_atomic_inc(&dp->refs) > 0) {
+ if (major != NULL) *major = VERSION_MAJOR;
+ if (minor != NULL) *minor = VERSION_MINOR;
+ return EGL_TRUE;
+ }
+
+ setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
+
+ // initialize each EGL and
+ // build our own extension string first, based on the extension we know
+ // and the extension supported by our client implementation
+ dp->extensionsString = strdup(gExtensionString);
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ cnx->major = -1;
+ cnx->minor = -1;
+ if (!cnx->dso)
+ continue;
+
+ if (cnx->hooks->egl.eglInitialize(
+ dp->dpys[i], &cnx->major, &cnx->minor)) {
+
+ //LOGD("initialized %d dpy=%p, ver=%d.%d, cnx=%p",
+ // i, dp->dpys[i], cnx->major, cnx->minor, cnx);
+
+ // get the query-strings for this display for each implementation
+ dp->queryString[i].vendor =
+ cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VENDOR);
+ dp->queryString[i].version =
+ cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VERSION);
+ dp->queryString[i].extensions = strdup(
+ cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_EXTENSIONS));
+ dp->queryString[i].clientApi =
+ cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_CLIENT_APIS);
+
+ } else {
+ LOGD("%d: eglInitialize() failed (%s)",
+ i, egl_strerror(cnx->hooks->egl.eglGetError()));
+ }
+ }
+
+ EGLBoolean res = EGL_FALSE;
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso && cnx->major>=0 && cnx->minor>=0) {
+ EGLint n;
+ if (cnx->hooks->egl.eglGetConfigs(dp->dpys[i], 0, 0, &n)) {
+ dp->configs[i] = (EGLConfig*)malloc(sizeof(EGLConfig)*n);
+ if (dp->configs[i]) {
+ if (cnx->hooks->egl.eglGetConfigs(
+ dp->dpys[i], dp->configs[i], n, &dp->numConfigs[i]))
+ {
+ // sort the configurations so we can do binary searches
+ qsort( dp->configs[i],
+ dp->numConfigs[i],
+ sizeof(EGLConfig), cmp_configs);
+
+ dp->numTotalConfigs += n;
+ res = EGL_TRUE;
+ }
+ }
+ }
+ }
+ }
+
+ if (res == EGL_TRUE) {
+ if (major != NULL) *major = VERSION_MAJOR;
+ if (minor != NULL) *minor = VERSION_MINOR;
+ return EGL_TRUE;
+ }
+ return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
+}
+
+EGLBoolean eglTerminate(EGLDisplay dpy)
+{
+ egl_display_t* const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+ if (android_atomic_dec(&dp->refs) != 1)
+ return EGL_TRUE;
+
+ EGLBoolean res = EGL_FALSE;
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ cnx->hooks->egl.eglTerminate(dp->dpys[i]);
+
+ /* REVISIT: it's unclear what to do if eglTerminate() fails,
+ * on one end we shouldn't care, on the other end if it fails
+ * it might not be safe to call dlclose() (there could be some
+ * threads around). */
+
+ free(dp->configs[i]);
+ free((void*)dp->queryString[i].extensions);
+ dp->numConfigs[i] = 0;
+ dp->dpys[i] = EGL_NO_DISPLAY;
+ dlclose((void*)cnx->dso);
+ cnx->dso = 0;
+ res = EGL_TRUE;
+ }
+ }
+ free((void*)dp->extensionsString);
+ dp->extensionsString = 0;
+ dp->numTotalConfigs = 0;
+ clearTLS();
+ return res;
+}
+
+// ----------------------------------------------------------------------------
+// configuration
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglGetConfigs( EGLDisplay dpy,
+ EGLConfig *configs,
+ EGLint config_size, EGLint *num_config)
+{
+ egl_display_t const * const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ GLint numConfigs = dp->numTotalConfigs;
+ if (!configs) {
+ *num_config = numConfigs;
+ return EGL_TRUE;
+ }
+ GLint n = 0;
+ for (int j=0 ; j<2 ; j++) {
+ for (int i=0 ; i<dp->numConfigs[j] && config_size ; i++) {
+ *configs++ = MAKE_CONFIG(j, i);
+ config_size--;
+ n++;
+ }
+ }
+
+ *num_config = n;
+ return EGL_TRUE;
+}
+
+EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
+ EGLConfig *configs, EGLint config_size,
+ EGLint *num_config)
+{
+ egl_display_t const * const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ if (configs == 0) {
+ *num_config = 0;
+ return EGL_TRUE;
+ }
+
+ EGLint n;
+ EGLBoolean res = EGL_FALSE;
+ *num_config = 0;
+
+
+ // It is unfortunate, but we need to remap the EGL_CONFIG_IDs,
+ // to do this, we have to go through the attrib_list array once
+ // to figure out both its size and if it contains an EGL_CONFIG_ID
+ // key. If so, the full array is copied and patched.
+ // NOTE: we assume that there can be only one occurrence
+ // of EGL_CONFIG_ID.
+
+ EGLint patch_index = -1;
+ GLint attr;
+ size_t size = 0;
+ while ((attr=attrib_list[size])) {
+ if (attr == EGL_CONFIG_ID)
+ patch_index = size;
+ size += 2;
+ }
+ if (patch_index >= 0) {
+ size += 2; // we need copy the sentinel as well
+ EGLint* new_list = (EGLint*)malloc(size*sizeof(EGLint));
+ if (new_list == 0)
+ return setError(EGL_BAD_ALLOC, EGL_FALSE);
+ memcpy(new_list, attrib_list, size*sizeof(EGLint));
+
+ // patch the requested EGL_CONFIG_ID
+ int i, index;
+ EGLint& configId(new_list[patch_index+1]);
+ uniqueIdToConfig(dp, configId, i, index);
+
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ cnx->hooks->egl.eglGetConfigAttrib(
+ dp->dpys[i], dp->configs[i][index],
+ EGL_CONFIG_ID, &configId);
+
+ // and switch to the new list
+ attrib_list = const_cast<const EGLint *>(new_list);
+
+ // At this point, the only configuration that can match is
+ // dp->configs[i][index], however, we don't know if it would be
+ // rejected because of the other attributes, so we do have to call
+ // cnx->hooks->egl.eglChooseConfig() -- but we don't have to loop
+ // through all the EGLimpl[].
+ // We also know we can only get a single config back, and we know
+ // which one.
+
+ res = cnx->hooks->egl.eglChooseConfig(
+ dp->dpys[i], attrib_list, configs, config_size, &n);
+ if (res && n>0) {
+ // n has to be 0 or 1, by construction, and we already know
+ // which config it will return (since there can be only one).
+ configs[0] = MAKE_CONFIG(i, index);
+ *num_config = 1;
+ }
+ }
+
+ free(const_cast<EGLint *>(attrib_list));
+ return res;
+ }
+
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglChooseConfig(
+ dp->dpys[i], attrib_list, configs, config_size, &n)) {
+ // now we need to convert these client EGLConfig to our
+ // internal EGLConfig format. This is done in O(n log n).
+ for (int j=0 ; j<n ; j++) {
+ int index = binarySearch<EGLConfig>(
+ dp->configs[i], 0, dp->numConfigs[i]-1, configs[j]);
+ if (index >= 0) {
+ configs[j] = MAKE_CONFIG(i, index);
+ } else {
+ return setError(EGL_BAD_CONFIG, EGL_FALSE);
+ }
+ }
+ configs += n;
+ config_size -= n;
+ *num_config += n;
+ res = EGL_TRUE;
+ }
+ }
+ }
+ return res;
+}
+
+EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
+ EGLint attribute, EGLint *value)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (!cnx) return EGL_FALSE;
+
+ if (attribute == EGL_CONFIG_ID) {
+ // EGL_CONFIG_IDs must be unique, just use the order of the selected
+ // EGLConfig.
+ *value = configToUniqueId(dp, i, index);
+ return EGL_TRUE;
+ }
+ return cnx->hooks->egl.eglGetConfigAttrib(
+ dp->dpys[i], dp->configs[i][index], attribute, value);
+}
+
+// ----------------------------------------------------------------------------
+// surfaces
+// ----------------------------------------------------------------------------
+
+EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
+ NativeWindowType window,
+ const EGLint *attrib_list)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (cnx) {
+ // window must be connected upon calling underlying
+ // eglCreateWindowSurface
+ if (window) {
+ window->incRef(window);
+ if (window->connect)
+ window->connect(window);
+ }
+
+ EGLSurface surface = cnx->hooks->egl.eglCreateWindowSurface(
+ dp->dpys[i], dp->configs[i][index], window, attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, surface, window, i, cnx);
+ return s;
+ }
+
+ // something went wrong, disconnect and free window
+ // (will disconnect() automatically)
+ if (window) {
+ window->decRef(window);
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
+ NativePixmapType pixmap,
+ const EGLint *attrib_list)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (cnx) {
+ EGLSurface surface = cnx->hooks->egl.eglCreatePixmapSurface(
+ dp->dpys[i], dp->configs[i][index], pixmap, attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, surface, NULL, i, cnx);
+ return s;
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
+ const EGLint *attrib_list)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (cnx) {
+ EGLSurface surface = cnx->hooks->egl.eglCreatePbufferSurface(
+ dp->dpys[i], dp->configs[i][index], attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, surface, NULL, i, cnx);
+ return s;
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+
+ EGLBoolean result = s->cnx->hooks->egl.eglDestroySurface(
+ dp->dpys[s->impl], s->surface);
+
+ delete s;
+ return result;
+}
+
+EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
+ EGLint attribute, EGLint *value)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+
+ return s->cnx->hooks->egl.eglQuerySurface(
+ dp->dpys[s->impl], s->surface, attribute, value);
+}
+
+// ----------------------------------------------------------------------------
+// contextes
+// ----------------------------------------------------------------------------
+
+EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
+ EGLContext share_list, const EGLint *attrib_list)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (cnx) {
+ EGLContext context = cnx->hooks->egl.eglCreateContext(
+ dp->dpys[i], dp->configs[i][index], share_list, attrib_list);
+ if (context != EGL_NO_CONTEXT) {
+ egl_context_t* c = new egl_context_t(dpy, context, i, cnx);
+ return c;
+ }
+ }
+ return EGL_NO_CONTEXT;
+}
+
+EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
+{
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_context_t * const c = get_context(ctx);
+ EGLBoolean result = c->cnx->hooks->egl.eglDestroyContext(
+ dp->dpys[c->impl], c->context);
+ delete c;
+ return result;
+}
+
+EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
+ EGLSurface read, EGLContext ctx)
+{
+ egl_display_t const * const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ if (read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE &&
+ ctx == EGL_NO_CONTEXT)
+ {
+ EGLBoolean result = EGL_TRUE;
+ ctx = getContext();
+ if (ctx) {
+ egl_context_t * const c = get_context(ctx);
+ result = c->cnx->hooks->egl.eglMakeCurrent(dp->dpys[c->impl], 0, 0, 0);
+ if (result == EGL_TRUE) {
+ setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]);
+ setContext(EGL_NO_CONTEXT);
+ }
+ }
+ return result;
+ }
+
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ egl_context_t * const c = get_context(ctx);
+ if (draw != EGL_NO_SURFACE) {
+ egl_surface_t const * d = get_surface(draw);
+ if (!d) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+ if (d->impl != c->impl)
+ return setError(EGL_BAD_MATCH, EGL_FALSE);
+ draw = d->surface;
+ }
+ if (read != EGL_NO_SURFACE) {
+ egl_surface_t const * r = get_surface(read);
+ if (!r) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+ if (r->impl != c->impl)
+ return setError(EGL_BAD_MATCH, EGL_FALSE);
+ read = r->surface;
+ }
+ EGLBoolean result = c->cnx->hooks->egl.eglMakeCurrent(
+ dp->dpys[c->impl], draw, read, c->context);
+
+ if (result == EGL_TRUE) {
+ setGlThreadSpecific(c->cnx->hooks);
+ setContext(ctx);
+ c->read = read;
+ c->draw = draw;
+ }
+ return result;
+}
+
+
+EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
+ EGLint attribute, EGLint *value)
+{
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ egl_display_t const * const dp = get_display(dpy);
+ egl_context_t * const c = get_context(ctx);
+
+ return c->cnx->hooks->egl.eglQueryContext(
+ dp->dpys[c->impl], c->context, attribute, value);
+}
+
+EGLContext eglGetCurrentContext(void)
+{
+ EGLContext ctx = getContext();
+ return ctx;
+}
+
+EGLSurface eglGetCurrentSurface(EGLint readdraw)
+{
+ EGLContext ctx = getContext();
+ if (ctx) {
+ egl_context_t const * const c = get_context(ctx);
+ if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
+ switch (readdraw) {
+ case EGL_READ: return c->read;
+ case EGL_DRAW: return c->draw;
+ default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLDisplay eglGetCurrentDisplay(void)
+{
+ EGLContext ctx = getContext();
+ if (ctx) {
+ egl_context_t const * const c = get_context(ctx);
+ if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
+ return c->dpy;
+ }
+ return EGL_NO_DISPLAY;
+}
+
+EGLBoolean eglWaitGL(void)
+{
+ EGLBoolean res = EGL_TRUE;
+ EGLContext ctx = getContext();
+ if (ctx) {
+ egl_context_t const * const c = get_context(ctx);
+ if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (uint32_t(c->impl)>=2)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ egl_connection_t* const cnx = &gEGLImpl[c->impl];
+ if (!cnx->dso)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ res = cnx->hooks->egl.eglWaitGL();
+ }
+ return res;
+}
+
+EGLBoolean eglWaitNative(EGLint engine)
+{
+ EGLBoolean res = EGL_TRUE;
+ EGLContext ctx = getContext();
+ if (ctx) {
+ egl_context_t const * const c = get_context(ctx);
+ if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (uint32_t(c->impl)>=2)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ egl_connection_t* const cnx = &gEGLImpl[c->impl];
+ if (!cnx->dso)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ res = cnx->hooks->egl.eglWaitNative(engine);
+ }
+ return res;
+}
+
+EGLint eglGetError(void)
+{
+ EGLint result = EGL_SUCCESS;
+ for (int i=0 ; i<2 ; i++) {
+ EGLint err = EGL_SUCCESS;
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso)
+ err = cnx->hooks->egl.eglGetError();
+ if (err!=EGL_SUCCESS && result==EGL_SUCCESS)
+ result = err;
+ }
+ if (result == EGL_SUCCESS)
+ result = getError();
+ return result;
+}
+
+void (*eglGetProcAddress(const char *procname))()
+{
+ __eglMustCastToProperFunctionPointerType addr;
+ addr = findProcAddress(procname, gExtentionMap, NELEM(gExtentionMap));
+ if (addr) return addr;
+
+ return NULL; // TODO: finish implementation below
+
+ addr = findProcAddress(procname, gGLExtentionMap, NELEM(gGLExtentionMap));
+ if (addr) return addr;
+
+ addr = 0;
+ int slot = -1;
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglGetProcAddress) {
+ addr = cnx->hooks->egl.eglGetProcAddress(procname);
+ if (addr) {
+ if (slot == -1) {
+ slot = 0; // XXX: find free slot
+ if (slot == -1) {
+ addr = 0;
+ break;
+ }
+ }
+ cnx->hooks->ext.extensions[slot] = addr;
+ }
+ }
+ }
+ }
+
+ if (slot >= 0) {
+ addr = 0; // XXX: address of stub 'slot'
+ gGLExtentionMap[slot].name = strdup(procname);
+ gGLExtentionMap[slot].address = addr;
+ }
+
+ return addr;
+
+
+ /*
+ * TODO: For OpenGL ES extensions, we must generate a stub
+ * that looks like
+ * mov r12, #0xFFFF0FFF
+ * ldr r12, [r12, #-15]
+ * ldr r12, [r12, #TLS_SLOT_OPENGL_API*4]
+ * mov r12, [r12, #api_offset]
+ * ldrne pc, r12
+ * mov pc, #unsupported_extension
+ *
+ * and write the address of the extension in *all*
+ * gl_hooks_t::gl_ext_t at offset "api_offset" from gl_hooks_t
+ *
+ */
+}
+
+EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
+{
+ if (!validate_display_surface(dpy, draw))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(draw);
+ return s->cnx->hooks->egl.eglSwapBuffers(dp->dpys[s->impl], s->surface);
+}
+
+EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
+ NativePixmapType target)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+ return s->cnx->hooks->egl.eglCopyBuffers(
+ dp->dpys[s->impl], s->surface, target);
+}
+
+const char* eglQueryString(EGLDisplay dpy, EGLint name)
+{
+ egl_display_t const * const dp = get_display(dpy);
+ switch (name) {
+ case EGL_VENDOR:
+ return gVendorString;
+ case EGL_VERSION:
+ return gVersionString;
+ case EGL_EXTENSIONS:
+ return gExtensionString;
+ case EGL_CLIENT_APIS:
+ return gClientApiString;
+ }
+ return setError(EGL_BAD_PARAMETER, (const char *)0);
+}
+
+
+// ----------------------------------------------------------------------------
+// EGL 1.1
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglSurfaceAttrib(
+ EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+ if (s->cnx->hooks->egl.eglSurfaceAttrib) {
+ return s->cnx->hooks->egl.eglSurfaceAttrib(
+ dp->dpys[s->impl], s->surface, attribute, value);
+ }
+ return setError(EGL_BAD_SURFACE, EGL_FALSE);
+}
+
+EGLBoolean eglBindTexImage(
+ EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+ if (s->cnx->hooks->egl.eglBindTexImage) {
+ return s->cnx->hooks->egl.eglBindTexImage(
+ dp->dpys[s->impl], s->surface, buffer);
+ }
+ return setError(EGL_BAD_SURFACE, EGL_FALSE);
+}
+
+EGLBoolean eglReleaseTexImage(
+ EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ if (!validate_display_surface(dpy, surface))
+ return EGL_FALSE;
+ egl_display_t const * const dp = get_display(dpy);
+ egl_surface_t const * const s = get_surface(surface);
+ if (s->cnx->hooks->egl.eglReleaseTexImage) {
+ return s->cnx->hooks->egl.eglReleaseTexImage(
+ dp->dpys[s->impl], s->surface, buffer);
+ }
+ return setError(EGL_BAD_SURFACE, EGL_FALSE);
+}
+
+EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
+{
+ egl_display_t * const dp = get_display(dpy);
+ if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ EGLBoolean res = EGL_TRUE;
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglSwapInterval) {
+ if (cnx->hooks->egl.eglSwapInterval(dp->dpys[i], interval) == EGL_FALSE) {
+ res = EGL_FALSE;
+ }
+ }
+ }
+ }
+ return res;
+}
+
+
+// ----------------------------------------------------------------------------
+// EGL 1.2
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglWaitClient(void)
+{
+ EGLBoolean res = EGL_TRUE;
+ EGLContext ctx = getContext();
+ if (ctx) {
+ egl_context_t const * const c = get_context(ctx);
+ if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (uint32_t(c->impl)>=2)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ egl_connection_t* const cnx = &gEGLImpl[c->impl];
+ if (!cnx->dso)
+ return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (cnx->hooks->egl.eglWaitClient) {
+ res = cnx->hooks->egl.eglWaitClient();
+ } else {
+ res = cnx->hooks->egl.eglWaitGL();
+ }
+ }
+ return res;
+}
+
+EGLBoolean eglBindAPI(EGLenum api)
+{
+ // bind this API on all EGLs
+ EGLBoolean res = EGL_TRUE;
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglBindAPI) {
+ if (cnx->hooks->egl.eglBindAPI(api) == EGL_FALSE) {
+ res = EGL_FALSE;
+ }
+ }
+ }
+ }
+ return res;
+}
+
+EGLenum eglQueryAPI(void)
+{
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglQueryAPI) {
+ // the first one we find is okay, because they all
+ // should be the same
+ return cnx->hooks->egl.eglQueryAPI();
+ }
+ }
+ }
+ // or, it can only be OpenGL ES
+ return EGL_OPENGL_ES_API;
+}
+
+EGLBoolean eglReleaseThread(void)
+{
+ for (int i=0 ; i<2 ; i++) {
+ egl_connection_t* const cnx = &gEGLImpl[i];
+ if (cnx->dso) {
+ if (cnx->hooks->egl.eglReleaseThread) {
+ cnx->hooks->egl.eglReleaseThread();
+ }
+ }
+ }
+ clearTLS();
+ return EGL_TRUE;
+}
+
+EGLSurface eglCreatePbufferFromClientBuffer(
+ EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
+ EGLConfig config, const EGLint *attrib_list)
+{
+ egl_display_t const* dp = 0;
+ int i=0, index=0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index);
+ if (!cnx) return EGL_FALSE;
+ if (cnx->hooks->egl.eglCreatePbufferFromClientBuffer) {
+ return cnx->hooks->egl.eglCreatePbufferFromClientBuffer(
+ dp->dpys[i], buftype, buffer, dp->configs[i][index], attrib_list);
+ }
+ return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
+}
diff --git a/opengl/libs/EGL/gpu.cpp b/opengl/libs/EGL/gpu.cpp
new file mode 100644
index 0000000..3f9fd63
--- /dev/null
+++ b/opengl/libs/EGL/gpu.cpp
@@ -0,0 +1,212 @@
+/*
+ ** Copyright 2007, The Android Open Source Project
+ **
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ **
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ **
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ */
+
+#define LOG_TAG "EGL"
+
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/ioctl.h>
+
+#if HAVE_ANDROID_OS
+#include <linux/android_pmem.h>
+#endif
+
+#include <cutils/log.h>
+#include <cutils/properties.h>
+
+#include <utils/IMemory.h>
+#include <utils/threads.h>
+#include <utils/IServiceManager.h>
+#include <utils/IPCThreadState.h>
+#include <utils/Parcel.h>
+
+#include <ui/EGLDisplaySurface.h>
+#include <ui/ISurfaceComposer.h>
+
+#include "hooks.h"
+#include "egl_impl.h"
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+/*
+ * we provide our own allocators for the GPU regions, these
+ * allocators go through surfaceflinger
+ */
+
+static Mutex gRegionsLock;
+static request_gpu_t gRegions;
+static sp<ISurfaceComposer> gSurfaceManager;
+ISurfaceComposer* GLES_localSurfaceManager = 0;
+
+extern egl_connection_t gEGLImpl[2];
+
+const sp<ISurfaceComposer>& getSurfaceFlinger()
+{
+ Mutex::Autolock _l(gRegionsLock);
+
+ /*
+ * There is a little bit of voodoo magic here. We want to access
+ * surfaceflinger for allocating GPU regions, however, when we are
+ * running as part of surfaceflinger, we want to bypass the
+ * service manager because surfaceflinger might not be registered yet.
+ * SurfaceFlinger will populate "GLES_localSurfaceManager" with its
+ * own address, so we can just use that.
+ */
+ if (gSurfaceManager == 0) {
+ if (GLES_localSurfaceManager) {
+ // we're running in SurfaceFlinger's context
+ gSurfaceManager = GLES_localSurfaceManager;
+ } else {
+ // we're a remote process or not part of surfaceflinger,
+ // go through the service manager
+ sp<IServiceManager> sm = defaultServiceManager();
+ if (sm != NULL) {
+ sp<IBinder> binder = sm->getService(String16("SurfaceFlinger"));
+ gSurfaceManager = interface_cast<ISurfaceComposer>(binder);
+ }
+ }
+ }
+ return gSurfaceManager;
+}
+
+class GPURevokeRequester : public BnGPUCallback
+{
+public:
+ virtual void gpuLost() {
+ LOGD("CONTEXT_LOST: Releasing GPU upon request from SurfaceFlinger.");
+ gEGLImpl[IMPL_HARDWARE].hooks = &gHooks[IMPL_CONTEXT_LOST];
+ }
+};
+
+static sp<GPURevokeRequester> gRevokerCallback;
+
+
+request_gpu_t* gpu_acquire(void* user)
+{
+ sp<ISurfaceComposer> server( getSurfaceFlinger() );
+
+ Mutex::Autolock _l(gRegionsLock);
+ if (server == NULL) {
+ return 0;
+ }
+
+ ISurfaceComposer::gpu_info_t info;
+
+ if (gRevokerCallback == 0)
+ gRevokerCallback = new GPURevokeRequester();
+
+ status_t err = server->requestGPU(gRevokerCallback, &info);
+ if (err != NO_ERROR) {
+ LOGD("requestGPU returned %d", err);
+ return 0;
+ }
+
+ bool failed = false;
+ request_gpu_t* gpu = &gRegions;
+ memset(gpu, 0, sizeof(*gpu));
+
+ if (info.regs != 0) {
+ sp<IMemoryHeap> heap(info.regs->getMemory());
+ if (heap != 0) {
+ int fd = heap->heapID();
+ gpu->regs.fd = fd;
+ gpu->regs.base = info.regs->pointer();
+ gpu->regs.size = info.regs->size();
+ gpu->regs.user = info.regs.get();
+#if HAVE_ANDROID_OS
+ struct pmem_region region;
+ if (ioctl(fd, PMEM_GET_PHYS, ®ion) >= 0)
+ gpu->regs.phys = (void*)region.offset;
+#endif
+ info.regs->incStrong(gpu);
+ } else {
+ LOGE("GPU register handle %p is invalid!", info.regs.get());
+ failed = true;
+ }
+ }
+
+ for (size_t i=0 ; i<info.count && !failed ; i++) {
+ sp<IMemory>& region(info.regions[i].region);
+ if (region != 0) {
+ sp<IMemoryHeap> heap(region->getMemory());
+ if (heap != 0) {
+ const int fd = heap->heapID();
+ gpu->gpu[i].fd = fd;
+ gpu->gpu[i].base = region->pointer();
+ gpu->gpu[i].size = region->size();
+ gpu->gpu[i].user = region.get();
+ gpu->gpu[i].offset = info.regions[i].reserved;
+#if HAVE_ANDROID_OS
+ struct pmem_region reg;
+ if (ioctl(fd, PMEM_GET_PHYS, ®) >= 0)
+ gpu->gpu[i].phys = (void*)reg.offset;
+#endif
+ region->incStrong(gpu);
+ } else {
+ LOGE("GPU region handle [%d, %p] is invalid!", i, region.get());
+ failed = true;
+ }
+ }
+ }
+
+ if (failed) {
+ // something went wrong, clean up everything!
+ if (gpu->regs.user) {
+ static_cast<IMemory*>(gpu->regs.user)->decStrong(gpu);
+ for (size_t i=0 ; i<info.count ; i++) {
+ if (gpu->gpu[i].user) {
+ static_cast<IMemory*>(gpu->gpu[i].user)->decStrong(gpu);
+ }
+ }
+ }
+ }
+
+ gpu->count = info.count;
+ return gpu;
+}
+
+int gpu_release(void*, request_gpu_t* gpu)
+{
+ sp<IMemory> regs;
+
+ { // scope for lock
+ Mutex::Autolock _l(gRegionsLock);
+ regs = static_cast<IMemory*>(gpu->regs.user);
+ gpu->regs.user = 0;
+ if (regs != 0) regs->decStrong(gpu);
+
+ for (int i=0 ; i<gpu->count ; i++) {
+ sp<IMemory> r(static_cast<IMemory*>(gpu->gpu[i].user));
+ gpu->gpu[i].user = 0;
+ if (r != 0) r->decStrong(gpu);
+ }
+ }
+
+ // there is a special transaction to relinquish the GPU
+ // (it will happen automatically anyway if we don't do this)
+ Parcel data, reply;
+ // NOTE: this transaction does not require an interface token
+ regs->asBinder()->transact(1000, data, &reply);
+ return 1;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------