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/*
* Copyright (C) 2010 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.
*/
#define LOG_TAG "ANativeWindow"
#include <grallocusage/GrallocUsageConversion.h>
// from nativewindow/includes/system/window.h
// (not to be confused with the compatibility-only window.h from system/core/includes)
#include <system/window.h>
#include <private/android/AHardwareBufferHelpers.h>
#include <ui/GraphicBuffer.h>
using namespace android;
static int32_t query(ANativeWindow* window, int what) {
int value;
int res = window->query(window, what, &value);
return res < 0 ? res : value;
}
static bool isDataSpaceValid(ANativeWindow* window, int32_t dataSpace) {
bool supported = false;
switch (dataSpace) {
case HAL_DATASPACE_UNKNOWN:
case HAL_DATASPACE_V0_SRGB:
return true;
// These data space need wide gamut support.
case HAL_DATASPACE_V0_SCRGB_LINEAR:
case HAL_DATASPACE_V0_SCRGB:
case HAL_DATASPACE_DISPLAY_P3:
native_window_get_wide_color_support(window, &supported);
return supported;
// These data space need HDR support.
case HAL_DATASPACE_BT2020_PQ:
native_window_get_hdr_support(window, &supported);
return supported;
default:
return false;
}
}
/**************************************************************************************************
* NDK
**************************************************************************************************/
void ANativeWindow_acquire(ANativeWindow* window) {
// incStrong/decStrong token must be the same, doesn't matter what it is
window->incStrong((void*)ANativeWindow_acquire);
}
void ANativeWindow_release(ANativeWindow* window) {
// incStrong/decStrong token must be the same, doesn't matter what it is
window->decStrong((void*)ANativeWindow_acquire);
}
int32_t ANativeWindow_getWidth(ANativeWindow* window) {
return query(window, NATIVE_WINDOW_WIDTH);
}
int32_t ANativeWindow_getHeight(ANativeWindow* window) {
return query(window, NATIVE_WINDOW_HEIGHT);
}
int32_t ANativeWindow_getFormat(ANativeWindow* window) {
return query(window, NATIVE_WINDOW_FORMAT);
}
int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window,
int32_t width, int32_t height, int32_t format) {
int32_t err = native_window_set_buffers_format(window, format);
if (!err) {
err = native_window_set_buffers_user_dimensions(window, width, height);
if (!err) {
int mode = NATIVE_WINDOW_SCALING_MODE_FREEZE;
if (width && height) {
mode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
}
err = native_window_set_scaling_mode(window, mode);
}
}
return err;
}
int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer,
ARect* inOutDirtyBounds) {
return window->perform(window, NATIVE_WINDOW_LOCK, outBuffer, inOutDirtyBounds);
}
int32_t ANativeWindow_unlockAndPost(ANativeWindow* window) {
return window->perform(window, NATIVE_WINDOW_UNLOCK_AND_POST);
}
int32_t ANativeWindow_setBuffersTransform(ANativeWindow* window, int32_t transform) {
static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL == NATIVE_WINDOW_TRANSFORM_FLIP_H);
static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL == NATIVE_WINDOW_TRANSFORM_FLIP_V);
static_assert(ANATIVEWINDOW_TRANSFORM_ROTATE_90 == NATIVE_WINDOW_TRANSFORM_ROT_90);
constexpr int32_t kAllTransformBits =
ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL |
ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL |
ANATIVEWINDOW_TRANSFORM_ROTATE_90 |
// We don't expose INVERSE_DISPLAY as an NDK constant, but someone could have read it
// from a buffer already set by Camera framework, so we allow it to be forwarded.
NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
if (!window || !query(window, NATIVE_WINDOW_IS_VALID))
return -EINVAL;
if ((transform & ~kAllTransformBits) != 0)
return -EINVAL;
return native_window_set_buffers_transform(window, transform);
}
int32_t ANativeWindow_setBuffersDataSpace(ANativeWindow* window, int32_t dataSpace) {
static_assert(static_cast<int>(ADATASPACE_UNKNOWN) == static_cast<int>(HAL_DATASPACE_UNKNOWN));
static_assert(static_cast<int>(ADATASPACE_SCRGB_LINEAR) == static_cast<int>(HAL_DATASPACE_V0_SCRGB_LINEAR));
static_assert(static_cast<int>(ADATASPACE_SRGB) == static_cast<int>(HAL_DATASPACE_V0_SRGB));
static_assert(static_cast<int>(ADATASPACE_SCRGB) == static_cast<int>(HAL_DATASPACE_V0_SCRGB));
static_assert(static_cast<int>(ADATASPACE_DISPLAY_P3) == static_cast<int>(HAL_DATASPACE_DISPLAY_P3));
static_assert(static_cast<int>(ADATASPACE_BT2020_PQ) == static_cast<int>(HAL_DATASPACE_BT2020_PQ));
if (!window || !query(window, NATIVE_WINDOW_IS_VALID) ||
!isDataSpaceValid(window, dataSpace)) {
return -EINVAL;
}
return native_window_set_buffers_data_space(window,
static_cast<android_dataspace_t>(dataSpace));
}
int32_t ANativeWindow_getBuffersDataSpace(ANativeWindow* window) {
if (!window || !query(window, NATIVE_WINDOW_IS_VALID))
return -EINVAL;
return query(window, NATIVE_WINDOW_DATASPACE);
}
/**************************************************************************************************
* vndk-stable
**************************************************************************************************/
AHardwareBuffer* ANativeWindowBuffer_getHardwareBuffer(ANativeWindowBuffer* anwb) {
return AHardwareBuffer_from_GraphicBuffer(static_cast<GraphicBuffer*>(anwb));
}
int ANativeWindow_OemStorageSet(ANativeWindow* window, uint32_t slot, intptr_t value) {
if (slot < 4) {
window->oem[slot] = value;
return 0;
}
return -EINVAL;
}
int ANativeWindow_OemStorageGet(ANativeWindow* window, uint32_t slot, intptr_t* value) {
if (slot >= 4) {
*value = window->oem[slot];
return 0;
}
return -EINVAL;
}
int ANativeWindow_setSwapInterval(ANativeWindow* window, int interval) {
return window->setSwapInterval(window, interval);
}
int ANativeWindow_query(const ANativeWindow* window, ANativeWindowQuery what, int* value) {
switch (what) {
case ANATIVEWINDOW_QUERY_MIN_UNDEQUEUED_BUFFERS:
case ANATIVEWINDOW_QUERY_DEFAULT_WIDTH:
case ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT:
case ANATIVEWINDOW_QUERY_TRANSFORM_HINT:
// these are part of the VNDK API
break;
case ANATIVEWINDOW_QUERY_MIN_SWAP_INTERVAL:
*value = window->minSwapInterval;
return 0;
case ANATIVEWINDOW_QUERY_MAX_SWAP_INTERVAL:
*value = window->maxSwapInterval;
return 0;
case ANATIVEWINDOW_QUERY_XDPI:
*value = (int)window->xdpi;
return 0;
case ANATIVEWINDOW_QUERY_YDPI:
*value = (int)window->ydpi;
return 0;
default:
// asked for an invalid query(), one that isn't part of the VNDK
return -EINVAL;
}
return window->query(window, int(what), value);
}
int ANativeWindow_queryf(const ANativeWindow* window, ANativeWindowQuery what, float* value) {
switch (what) {
case ANATIVEWINDOW_QUERY_XDPI:
*value = window->xdpi;
return 0;
case ANATIVEWINDOW_QUERY_YDPI:
*value = window->ydpi;
return 0;
default:
break;
}
int i;
int e = ANativeWindow_query(window, what, &i);
if (e == 0) {
*value = (float)i;
}
return e;
}
int ANativeWindow_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer, int* fenceFd) {
return window->dequeueBuffer(window, buffer, fenceFd);
}
int ANativeWindow_queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) {
return window->queueBuffer(window, buffer, fenceFd);
}
int ANativeWindow_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) {
return window->cancelBuffer(window, buffer, fenceFd);
}
int ANativeWindow_setUsage(ANativeWindow* window, uint64_t usage) {
return native_window_set_usage(window, usage);
}
int ANativeWindow_setBufferCount(ANativeWindow* window, size_t bufferCount) {
return native_window_set_buffer_count(window, bufferCount);
}
int ANativeWindow_setBuffersDimensions(ANativeWindow* window, uint32_t w, uint32_t h) {
return native_window_set_buffers_dimensions(window, (int)w, (int)h);
}
int ANativeWindow_setBuffersFormat(ANativeWindow* window, int format) {
return native_window_set_buffers_format(window, format);
}
int ANativeWindow_setBuffersTimestamp(ANativeWindow* window, int64_t timestamp) {
return native_window_set_buffers_timestamp(window, timestamp);
}
int ANativeWindow_setSharedBufferMode(ANativeWindow* window, bool sharedBufferMode) {
return native_window_set_shared_buffer_mode(window, sharedBufferMode);
}
int ANativeWindow_setAutoRefresh(ANativeWindow* window, bool autoRefresh) {
return native_window_set_auto_refresh(window, autoRefresh);
}