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/*
* Copyright (C) 2020 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.
*/
#include <android/log.h>
#include <android/native_window.h>
#include <android/native_window_jni.h>
#include <android/window.h>
#include <gui/Surface.h>
#include <jni.h>
#include <system/window.h>
#include <utils/RefBase.h>
#include <cassert>
#include <chrono>
#include <thread>
#define TAG "SurfaceViewBufferTests"
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__)
extern "C" {
int i = 0;
static ANativeWindow* sAnw;
static std::map<uint32_t /* slot */, ANativeWindowBuffer*> sBuffers;
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_setSurface(JNIEnv* env, jclass,
jobject surfaceObject) {
sAnw = ANativeWindow_fromSurface(env, surfaceObject);
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
surface->enableFrameTimestamps(true);
surface->connect(NATIVE_WINDOW_API_CPU, nullptr, false);
native_window_set_usage(sAnw, GRALLOC_USAGE_SW_WRITE_OFTEN);
native_window_set_buffers_format(sAnw, HAL_PIXEL_FORMAT_RGBA_8888);
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_waitUntilBufferDisplayed(
JNIEnv*, jclass, jlong jFrameNumber, jint timeoutMs) {
using namespace std::chrono_literals;
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
uint64_t frameNumber = static_cast<uint64_t>(jFrameNumber);
nsecs_t outRequestedPresentTime, outAcquireTime, outLatchTime, outFirstRefreshStartTime;
nsecs_t outLastRefreshStartTime, outGlCompositionDoneTime, outDequeueReadyTime;
nsecs_t outDisplayPresentTime = -1;
nsecs_t outReleaseTime;
auto start = std::chrono::steady_clock::now();
while (outDisplayPresentTime < 0) {
std::this_thread::sleep_for(8ms);
surface->getFrameTimestamps(frameNumber, &outRequestedPresentTime, &outAcquireTime,
&outLatchTime, &outFirstRefreshStartTime,
&outLastRefreshStartTime, &outGlCompositionDoneTime,
&outDisplayPresentTime, &outDequeueReadyTime, &outReleaseTime);
if (outDisplayPresentTime < 0) {
auto end = std::chrono::steady_clock::now();
if (std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() >
timeoutMs) {
return -1;
}
}
}
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_draw(JNIEnv*, jclass) {
assert(sAnw);
ANativeWindow_Buffer outBuffer;
ANativeWindow_lock(sAnw, &outBuffer, nullptr);
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_ANativeWindowLock(JNIEnv*, jclass) {
assert(sAnw);
ANativeWindow_Buffer outBuffer;
ANativeWindow_lock(sAnw, &outBuffer, nullptr);
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_ANativeWindowUnlockAndPost(JNIEnv*,
jclass) {
assert(sAnw);
ANativeWindow_unlockAndPost(sAnw);
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_ANativeWindowSetBuffersGeometry(
JNIEnv* /* env */, jclass /* clazz */, jobject /* surfaceObject */, jint w, jint h,
jint format) {
assert(sAnw);
return ANativeWindow_setBuffersGeometry(sAnw, w, h, format);
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_ANativeWindowSetBuffersTransform(
JNIEnv* /* env */, jclass /* clazz */, jint transform) {
assert(sAnw);
return native_window_set_buffers_transform(sAnw, transform);
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_SurfaceSetScalingMode(JNIEnv* /* env */,
jclass /* clazz */,
jint scalingMode) {
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
return surface->setScalingMode(scalingMode);
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_SurfaceDequeueBuffer(JNIEnv* /* env */,
jclass /* clazz */,
jint slot,
jint timeoutMs) {
assert(sAnw);
ANativeWindowBuffer* anb;
int fenceFd;
int result = sAnw->dequeueBuffer(sAnw, &anb, &fenceFd);
if (result != android::OK) {
return result;
}
sBuffers[slot] = anb;
android::sp<android::Fence> fence(new android::Fence(fenceFd));
int waitResult = fence->wait(timeoutMs);
if (waitResult != android::OK) {
sAnw->cancelBuffer(sAnw, sBuffers[slot], -1);
sBuffers[slot] = nullptr;
return waitResult;
}
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_SurfaceCancelBuffer(JNIEnv* /* env */,
jclass /* clazz */,
jint slot) {
assert(sAnw);
assert(sBuffers[slot]);
int result = sAnw->cancelBuffer(sAnw, sBuffers[slot], -1);
sBuffers[slot] = nullptr;
return result;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_drawBuffer(JNIEnv* env,
jclass /* clazz */, jint slot,
jintArray jintArrayColor) {
assert(sAnw);
assert(sBuffers[slot]);
int* color = env->GetIntArrayElements(jintArrayColor, nullptr);
ANativeWindowBuffer* buffer = sBuffers[slot];
android::sp<android::GraphicBuffer> graphicBuffer(static_cast<android::GraphicBuffer*>(buffer));
const android::Rect bounds(buffer->width, buffer->height);
android::Region newDirtyRegion;
newDirtyRegion.set(bounds);
void* vaddr;
int fenceFd = -1;
graphicBuffer->lockAsync(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
newDirtyRegion.bounds(), &vaddr, fenceFd);
for (int32_t row = 0; row < buffer->height; row++) {
uint8_t* dst = static_cast<uint8_t*>(vaddr) + (buffer->stride * row) * 4;
for (int32_t column = 0; column < buffer->width; column++) {
dst[0] = color[0];
dst[1] = color[1];
dst[2] = color[2];
dst[3] = color[3];
dst += 4;
}
}
graphicBuffer->unlockAsync(&fenceFd);
env->ReleaseIntArrayElements(jintArrayColor, color, JNI_ABORT);
return 0;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_SurfaceQueueBuffer(JNIEnv* /* env */,
jclass /* clazz */,
jint slot,
jboolean freeSlot) {
assert(sAnw);
assert(sBuffers[slot]);
int result = sAnw->queueBuffer(sAnw, sBuffers[slot], -1);
if (freeSlot) {
sBuffers[slot] = nullptr;
}
return result;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_NativeWindowSetBufferCount(
JNIEnv* /* env */, jclass /* clazz */, jint count) {
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
int result = native_window_set_buffer_count(sAnw, count);
return result;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_NativeWindowSetSharedBufferMode(
JNIEnv* /* env */, jclass /* clazz */, jboolean shared) {
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
int result = native_window_set_shared_buffer_mode(sAnw, shared);
return result;
}
JNIEXPORT jint JNICALL Java_com_android_test_SurfaceProxy_NativeWindowSetAutoRefresh(
JNIEnv* /* env */, jclass /* clazz */, jboolean autoRefresh) {
assert(sAnw);
android::sp<android::Surface> surface = static_cast<android::Surface*>(sAnw);
int result = native_window_set_auto_refresh(sAnw, autoRefresh);
return result;
}
}
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