| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| // Provides a webviewchromium glue layer adapter from the internal Android |
| // GL Functor data types into the types the chromium stack expects, and back. |
| |
| #define LOG_TAG "webviewchromium_plat_support" |
| |
| #include "android_webview/public/browser/draw_gl.h" |
| |
| #include <errno.h> |
| #include <jni.h> |
| #include <private/hwui/DrawGlInfo.h> |
| #include <string.h> |
| #include <sys/resource.h> |
| #include <sys/time.h> |
| #include <utils/Functor.h> |
| #include <utils/Log.h> |
| |
| #define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) |
| #define COMPILE_ASSERT(expr, err) static const char err[(expr) ? 1 : -1] = ""; |
| |
| namespace android { |
| namespace { |
| |
| AwDrawGLFunction* g_aw_drawgl_function = NULL; |
| |
| class DrawGLFunctor : public Functor { |
| public: |
| DrawGLFunctor(jint view_context) : view_context_(view_context) {} |
| virtual ~DrawGLFunctor() {} |
| |
| // Functor |
| virtual status_t operator ()(int what, void* data) { |
| using uirenderer::DrawGlInfo; |
| if (!g_aw_drawgl_function) { |
| ALOGE("Cannot draw: no DrawGL Function installed"); |
| return DrawGlInfo::kStatusDone; |
| } |
| |
| AwDrawGLInfo aw_info; |
| aw_info.mode = (what == DrawGlInfo::kModeProcess) ? |
| AwDrawGLInfo::kModeProcess : AwDrawGLInfo::kModeDraw; |
| DrawGlInfo* gl_info = reinterpret_cast<DrawGlInfo*>(data); |
| |
| // Map across the input values. |
| aw_info.clip_left = gl_info->clipLeft; |
| aw_info.clip_top = gl_info->clipTop; |
| aw_info.clip_right = gl_info->clipRight; |
| aw_info.clip_bottom = gl_info->clipBottom; |
| aw_info.width = gl_info->width; |
| aw_info.height = gl_info->height; |
| aw_info.is_layer = gl_info->isLayer; |
| COMPILE_ASSERT(NELEM(aw_info.transform) == NELEM(gl_info->transform), |
| mismatched_transform_matrix_sizes); |
| for (int i = 0; i < NELEM(aw_info.transform); ++i) { |
| aw_info.transform[i] = gl_info->transform[i]; |
| } |
| |
| // Also pre-initialize the output fields in case the implementation does |
| // not modify them. |
| aw_info.status_mask = AwDrawGLInfo::kStatusMaskDone; |
| aw_info.dirty_left = gl_info->dirtyLeft; |
| aw_info.dirty_top = gl_info->dirtyTop; |
| aw_info.dirty_right = gl_info->dirtyRight; |
| aw_info.dirty_bottom = gl_info->dirtyBottom; |
| |
| // Invoke the DrawGL method. |
| g_aw_drawgl_function(view_context_, &aw_info, NULL); |
| |
| // Copy out the outputs. |
| gl_info->dirtyLeft = aw_info.dirty_left; |
| gl_info->dirtyTop = aw_info.dirty_top; |
| gl_info->dirtyRight = aw_info.dirty_right; |
| gl_info->dirtyBottom = aw_info.dirty_bottom; |
| |
| // Calculate the return code. |
| status_t res = DrawGlInfo::kStatusDone; |
| if (aw_info.status_mask & AwDrawGLInfo::kStatusMaskDraw) |
| res |= DrawGlInfo::kStatusDraw; |
| if (aw_info.status_mask & AwDrawGLInfo::kStatusMaskInvoke) |
| res |= DrawGlInfo::kStatusInvoke; |
| |
| return res; |
| } |
| |
| private: |
| int view_context_; |
| }; |
| |
| // Raise the file handle soft limit to the hard limit since gralloc buffers |
| // uses file handles. |
| void RaiseFileNumberLimit() { |
| static bool have_raised_limit = false; |
| if (have_raised_limit) |
| return; |
| |
| have_raised_limit = true; |
| struct rlimit limit_struct; |
| limit_struct.rlim_cur = 0; |
| limit_struct.rlim_max = 0; |
| if (getrlimit(RLIMIT_NOFILE, &limit_struct) == 0) { |
| limit_struct.rlim_cur = limit_struct.rlim_max; |
| if (setrlimit(RLIMIT_NOFILE, &limit_struct) != 0) { |
| ALOGE("setrlimit failed: %s", strerror(errno)); |
| } |
| } else { |
| ALOGE("getrlimit failed: %s", strerror(errno)); |
| } |
| } |
| |
| jint CreateGLFunctor(JNIEnv*, jclass, jint view_context) { |
| RaiseFileNumberLimit(); |
| return reinterpret_cast<jint>(new DrawGLFunctor(view_context)); |
| } |
| |
| void DestroyGLFunctor(JNIEnv*, jclass, jint functor) { |
| delete reinterpret_cast<DrawGLFunctor*>(functor); |
| } |
| |
| void SetChromiumAwDrawGLFunction(JNIEnv*, jclass, jint draw_function) { |
| g_aw_drawgl_function = reinterpret_cast<AwDrawGLFunction*>(draw_function); |
| } |
| |
| const char kClassName[] = "com/android/webview/chromium/DrawGLFunctor"; |
| const JNINativeMethod kJniMethods[] = { |
| { "nativeCreateGLFunctor", "(I)I", |
| reinterpret_cast<void*>(CreateGLFunctor) }, |
| { "nativeDestroyGLFunctor", "(I)V", |
| reinterpret_cast<void*>(DestroyGLFunctor) }, |
| { "nativeSetChromiumAwDrawGLFunction", "(I)V", |
| reinterpret_cast<void*>(SetChromiumAwDrawGLFunction) }, |
| }; |
| |
| } // namespace |
| |
| void RegisterDrawGLFunctor(JNIEnv* env) { |
| jclass clazz = env->FindClass(kClassName); |
| LOG_ALWAYS_FATAL_IF(!clazz, "Unable to find class '%s'", kClassName); |
| |
| int res = env->RegisterNatives(clazz, kJniMethods, NELEM(kJniMethods)); |
| LOG_ALWAYS_FATAL_IF(res < 0, "register native methods failed: res=%d", res); |
| } |
| |
| } // namespace android |