You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.4 KiB
112 lines
3.4 KiB
/* |
|
* 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 |
|
// graphics types into the types the chromium stack expects, and back. |
|
|
|
#define LOG_TAG "webviewchromium_plat_support" |
|
|
|
#include "draw_gl.h" |
|
#include "draw_sw.h" |
|
|
|
#include <cstdlib> |
|
#include <jni.h> |
|
#include <utils/Log.h> |
|
#include "graphic_buffer_impl.h" |
|
#include "GraphicsJNI.h" |
|
#include "SkCanvasStateUtils.h" |
|
#include "SkGraphics.h" |
|
#include "SkPicture.h" |
|
|
|
#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) |
|
|
|
namespace android { |
|
namespace { |
|
|
|
class PixelInfo : public AwPixelInfo { |
|
public: |
|
explicit PixelInfo(android::Canvas* canvas); |
|
~PixelInfo(); |
|
}; |
|
|
|
|
|
PixelInfo::PixelInfo(android::Canvas* canvas) { |
|
memset(this, 0, sizeof(AwPixelInfo)); |
|
version = kAwPixelInfoVersion; |
|
state = canvas->captureCanvasState(); |
|
} |
|
|
|
PixelInfo::~PixelInfo() { |
|
if (state) |
|
SkCanvasStateUtils::ReleaseCanvasState(state); |
|
} |
|
|
|
AwPixelInfo* GetPixels(JNIEnv* env, jobject java_canvas) { |
|
android::Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, java_canvas); |
|
if (!nativeCanvas) |
|
return NULL; |
|
|
|
PixelInfo* pixels = new PixelInfo(nativeCanvas); |
|
if (!pixels->state) { |
|
delete pixels; |
|
pixels = NULL; |
|
} |
|
return pixels; |
|
} |
|
|
|
void ReleasePixels(AwPixelInfo* pixels) { |
|
delete static_cast<PixelInfo*>(pixels); |
|
} |
|
|
|
jlong GetDrawSWFunctionTable(JNIEnv* env, jclass) { |
|
static AwDrawSWFunctionTable function_table; |
|
function_table.version = kAwDrawSWFunctionTableVersion; |
|
function_table.access_pixels = &GetPixels; |
|
function_table.release_pixels = &ReleasePixels; |
|
return reinterpret_cast<intptr_t>(&function_table); |
|
} |
|
|
|
jlong GetDrawGLFunctionTable(JNIEnv* env, jclass) { |
|
static AwDrawGLFunctionTable function_table; |
|
function_table.version = kAwDrawGLFunctionTableVersion; |
|
function_table.create_graphic_buffer = &GraphicBufferImpl::Create; |
|
function_table.release_graphic_buffer = &GraphicBufferImpl::Release; |
|
function_table.map = &GraphicBufferImpl::MapStatic; |
|
function_table.unmap = &GraphicBufferImpl::UnmapStatic; |
|
function_table.get_native_buffer = &GraphicBufferImpl::GetNativeBufferStatic; |
|
function_table.get_stride = &GraphicBufferImpl::GetStrideStatic; |
|
return reinterpret_cast<intptr_t>(&function_table); |
|
} |
|
|
|
const char kClassName[] = "com/android/webview/chromium/GraphicsUtils"; |
|
const JNINativeMethod kJniMethods[] = { |
|
{ "nativeGetDrawSWFunctionTable", "()J", |
|
reinterpret_cast<void*>(GetDrawSWFunctionTable) }, |
|
{ "nativeGetDrawGLFunctionTable", "()J", |
|
reinterpret_cast<void*>(GetDrawGLFunctionTable) }, |
|
}; |
|
|
|
} // namespace |
|
|
|
void RegisterGraphicsUtils(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
|
|
|