| // 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> |
| #include <utility> |
| |
| #include "base/android/jni_android.h" |
| #include "base/debug/crash_logging.h" |
| #include "base/logging.h" |
| #include "ui/gl/android/scoped_java_surface.h" |
| #include "ui/gl/android/surface_texture_listener.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_jni_headers/SurfaceTexturePlatformWrapper_jni.h" |
| |
| #ifndef GL_ANGLE_texture_storage_external |
| #define GL_ANGLE_texture_storage_external 1 |
| #define GL_TEXTURE_NATIVE_ID_ANGLE 0x3481 |
| #endif /* GL_ANGLE_texture_storage_external */ |
| |
| namespace gl { |
| |
| scoped_refptr<SurfaceTexture> SurfaceTexture::Create(int texture_id) { |
| int native_id = texture_id; |
| |
| // ANGLE emulates texture IDs so query the native ID of the texture. |
| if (texture_id != 0 && |
| gl::g_current_gl_driver->ext.b_GL_ANGLE_texture_external_update) { |
| GLint prev_texture = 0; |
| glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &prev_texture); |
| glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture_id); |
| glGetTexParameteriv(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_NATIVE_ID_ANGLE, |
| &native_id); |
| glBindTexture(GL_TEXTURE_EXTERNAL_OES, prev_texture); |
| } |
| |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| return new SurfaceTexture( |
| Java_SurfaceTexturePlatformWrapper_create(env, native_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_); |
| } |
| |
| void SurfaceTexture::SetFrameAvailableCallback( |
| base::RepeatingClosure callback) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_setFrameAvailableCallback( |
| env, j_surface_texture_, |
| reinterpret_cast<intptr_t>( |
| new SurfaceTextureListener(std::move(callback), false))); |
| } |
| |
| void SurfaceTexture::SetFrameAvailableCallbackOnAnyThread( |
| base::RepeatingClosure callback) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_setFrameAvailableCallback( |
| env, j_surface_texture_, |
| reinterpret_cast<intptr_t>( |
| new SurfaceTextureListener(std::move(callback), true))); |
| } |
| |
| void SurfaceTexture::UpdateTexImage() { |
| static auto* kCrashKey = base::debug::AllocateCrashKeyString( |
| "inside_surface_texture_update_tex_image", |
| base::debug::CrashKeySize::Size256); |
| base::debug::ScopedCrashKeyString scoped_crash_key(kCrashKey, "1"); |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_updateTexImage(env, j_surface_texture_); |
| |
| // Notify ANGLE that the External texture binding has changed |
| if (gl::g_current_gl_driver->ext.b_GL_ANGLE_texture_external_update) |
| glInvalidateTextureANGLE(GL_TEXTURE_EXTERNAL_OES); |
| } |
| |
| 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_, |
| jmatrix); |
| |
| jfloat* elements = env->GetFloatArrayElements(jmatrix.obj(), nullptr); |
| for (int i = 0; i < 16; ++i) { |
| mtx[i] = static_cast<float>(elements[i]); |
| } |
| env->ReleaseFloatArrayElements(jmatrix.obj(), elements, JNI_ABORT); |
| } |
| |
| void SurfaceTexture::AttachToGLContext() { |
| // ANGLE emulates texture IDs so query the native ID of the texture. |
| int texture_id = 0; |
| if (gl::g_current_gl_driver->ext.b_GL_ANGLE_texture_external_update) { |
| glGetTexParameteriv(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_NATIVE_ID_ANGLE, |
| &texture_id); |
| } else { |
| glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texture_id); |
| } |
| DCHECK(texture_id); |
| |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_attachToGLContext(env, j_surface_texture_, |
| texture_id); |
| |
| // Notify ANGLE that the External texture binding has changed |
| if (gl::g_current_gl_driver->ext.b_GL_ANGLE_texture_external_update) { |
| glInvalidateTextureANGLE(GL_TEXTURE_EXTERNAL_OES); |
| } |
| } |
| |
| void SurfaceTexture::DetachFromGLContext() { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_detachFromGLContext(env, |
| j_surface_texture_); |
| } |
| |
| 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; |
| } |
| |
| void SurfaceTexture::ReleaseBackBuffers() { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_release(env, j_surface_texture_); |
| } |
| |
| void SurfaceTexture::SetDefaultBufferSize(int width, int height) { |
| JNIEnv* env = base::android::AttachCurrentThread(); |
| Java_SurfaceTexturePlatformWrapper_setDefaultBufferSize( |
| env, j_surface_texture_, width, height); |
| } |
| |
| } // namespace gl |