| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gl/android/surface_texture.h" |
| |
| #include <android/native_window_jni.h> |
| |
| // TODO(boliu): Remove this include when we move off ICS. |
| #include "base/android/build_info.h" |
| #include "base/android/jni_android.h" |
| #include "base/logging.h" |
| #include "jni/SurfaceTexturePlatformWrapper_jni.h" |
| #include "ui/gl/android/scoped_java_surface.h" |
| #include "ui/gl/android/surface_texture_listener.h" |
| #include "ui/gl/gl_bindings.h" |
| |
| // TODO(boliu): Remove this method when Chromium stops supporting ICS. |
| bool GlContextMethodsAvailable() { |
| bool available = base::android::BuildInfo::GetInstance()->sdk_int() >= 16; |
| if (!available) |
| LOG(WARNING) << "Running on unsupported device: rendering may not work"; |
| return available; |
| } |
| |
| namespace gfx { |
| |
| scoped_refptr<SurfaceTexture> SurfaceTexture::Create(int texture_id) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| return new SurfaceTexture( |
| Java_SurfaceTexturePlatformWrapper_create(env, texture_id)); |
| } |
| |
| scoped_refptr<SurfaceTexture> SurfaceTexture::CreateSingleBuffered( |
| int texture_id) { |
| DCHECK(IsSingleBufferModeSupported()); |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| return new SurfaceTexture( |
| Java_SurfaceTexturePlatformWrapper_createSingleBuffered(env, texture_id)); |
| } |
| |
| SurfaceTexture::SurfaceTexture( |
| const base::android::ScopedJavaLocalRef<jobject>& j_surface_texture) { |
| j_surface_texture_.Reset(j_surface_texture); |
| } |
| |
| SurfaceTexture::~SurfaceTexture() { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_destroy(env, j_surface_texture_.obj()); |
| } |
| |
| void SurfaceTexture::SetFrameAvailableCallback( |
| const base::Closure& callback) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_setFrameAvailableCallback( |
| env, |
| j_surface_texture_.obj(), |
| reinterpret_cast<intptr_t>(new SurfaceTextureListener(callback))); |
| } |
| |
| void SurfaceTexture::UpdateTexImage() { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_updateTexImage(env, |
| j_surface_texture_.obj()); |
| } |
| |
| void SurfaceTexture::ReleaseTexImage() { |
| DCHECK(IsSingleBufferModeSupported()); |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_releaseTexImage(env, |
| j_surface_texture_.obj()); |
| } |
| |
| void SurfaceTexture::GetTransformMatrix(float mtx[16]) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| |
| base::android::ScopedJavaLocalRef<jfloatArray> jmatrix( |
| env, env->NewFloatArray(16)); |
| Java_SurfaceTexturePlatformWrapper_getTransformMatrix( |
| env, j_surface_texture_.obj(), jmatrix.obj()); |
| |
| jboolean is_copy; |
| jfloat* elements = env->GetFloatArrayElements(jmatrix.obj(), &is_copy); |
| for (int i = 0; i < 16; ++i) { |
| mtx[i] = static_cast<float>(elements[i]); |
| } |
| env->ReleaseFloatArrayElements(jmatrix.obj(), elements, JNI_ABORT); |
| } |
| |
| void SurfaceTexture::AttachToGLContext() { |
| if (GlContextMethodsAvailable()) { |
| int texture_id; |
| glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texture_id); |
| DCHECK(texture_id); |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_attachToGLContext( |
| env, j_surface_texture_.obj(), texture_id); |
| } |
| } |
| |
| void SurfaceTexture::DetachFromGLContext() { |
| if (GlContextMethodsAvailable()) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_detachFromGLContext( |
| env, j_surface_texture_.obj()); |
| } |
| } |
| |
| ANativeWindow* SurfaceTexture::CreateSurface() { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| ScopedJavaSurface surface(this); |
| // Note: This ensures that any local references used by |
| // ANativeWindow_fromSurface are released immediately. This is needed as a |
| // workaround for https://code.google.com/p/android/issues/detail?id=68174 |
| base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env); |
| ANativeWindow* native_window = ANativeWindow_fromSurface( |
| env, surface.j_surface().obj()); |
| return native_window; |
| } |
| |
| // static |
| bool SurfaceTexture::IsSingleBufferModeSupported() { |
| return base::android::BuildInfo::GetInstance()->sdk_int() >= 19; |
| } |
| |
| bool SurfaceTexture::RegisterSurfaceTexture(JNIEnv* env) { |
| return RegisterNativesImpl(env); |
| } |
| |
| } // namespace gfx |