111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/*
|
|
* 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 "GraphicsJNI.h"
|
|
#include "graphic_buffer_impl.h"
|
|
#include "SkCanvasStateUtils.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
|