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sync code with last improvements from OpenBSD

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purplerain 2023-08-28 05:57:34 +00:00
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/*
* Copyright (C) 2011 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.
*/
/*****************************************************************************
*****************************************************************************
**** ****
**** FOR BUILDING WITH ANDROID NOUGAT (7.0, 7.1) AND BELOW. ****
**** ****
**** THIS FILE EXISTS ONLY FOR BACKWARD SOURCE COMPATIBILITY. ****
**** ****
**** DO NOT ADD TO THIS FILE. ****
**** ****
*****************************************************************************
*****************************************************************************/
#ifndef SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H
#define SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H
#include <cutils/native_handle.h>
#include <errno.h>
#include <limits.h>
#include <stdint.h>
#include <string.h>
#include <sys/cdefs.h>
#include <system/graphics.h>
#include <unistd.h>
#include <stdbool.h>
#ifndef __UNUSED
#define __UNUSED __attribute__((__unused__))
#endif
#ifndef __deprecated
#define __deprecated __attribute__((__deprecated__))
#endif
__BEGIN_DECLS
/*****************************************************************************/
#define ANDROID_NATIVE_MAKE_CONSTANT(a,b,c,d) \
(((unsigned)(a)<<24)|((unsigned)(b)<<16)|((unsigned)(c)<<8)|(unsigned)(d))
#define ANDROID_NATIVE_WINDOW_MAGIC \
ANDROID_NATIVE_MAKE_CONSTANT('_','w','n','d')
#define ANDROID_NATIVE_BUFFER_MAGIC \
ANDROID_NATIVE_MAKE_CONSTANT('_','b','f','r')
// ---------------------------------------------------------------------------
// This #define may be used to conditionally compile device-specific code to
// support either the prior ANativeWindow interface, which did not pass libsync
// fences around, or the new interface that does. This #define is only present
// when the ANativeWindow interface does include libsync support.
#define ANDROID_NATIVE_WINDOW_HAS_SYNC 1
// ---------------------------------------------------------------------------
typedef const native_handle_t* buffer_handle_t;
// ---------------------------------------------------------------------------
typedef struct android_native_rect_t
{
int32_t left;
int32_t top;
int32_t right;
int32_t bottom;
} android_native_rect_t;
// ---------------------------------------------------------------------------
typedef struct android_native_base_t
{
/* a magic value defined by the actual EGL native type */
int magic;
/* the sizeof() of the actual EGL native type */
int version;
void* reserved[4];
/* reference-counting interface */
void (*incRef)(struct android_native_base_t* base);
void (*decRef)(struct android_native_base_t* base);
} android_native_base_t;
typedef struct ANativeWindowBuffer
{
#ifdef __cplusplus
ANativeWindowBuffer() {
common.magic = ANDROID_NATIVE_BUFFER_MAGIC;
common.version = sizeof(ANativeWindowBuffer);
memset(common.reserved, 0, sizeof(common.reserved));
}
// Implement the methods that sp<ANativeWindowBuffer> expects so that it
// can be used to automatically refcount ANativeWindowBuffer's.
void incStrong(const void* /*id*/) const {
common.incRef(const_cast<android_native_base_t*>(&common));
}
void decStrong(const void* /*id*/) const {
common.decRef(const_cast<android_native_base_t*>(&common));
}
#endif
struct android_native_base_t common;
int width;
int height;
int stride;
int format;
int usage;
void* reserved[2];
buffer_handle_t handle;
void* reserved_proc[8];
} ANativeWindowBuffer_t;
// Old typedef for backwards compatibility.
typedef ANativeWindowBuffer_t android_native_buffer_t;
// ---------------------------------------------------------------------------
/* attributes queriable with query() */
enum {
NATIVE_WINDOW_WIDTH = 0,
NATIVE_WINDOW_HEIGHT = 1,
NATIVE_WINDOW_FORMAT = 2,
/* The minimum number of buffers that must remain un-dequeued after a buffer
* has been queued. This value applies only if set_buffer_count was used to
* override the number of buffers and if a buffer has since been queued.
* Users of the set_buffer_count ANativeWindow method should query this
* value before calling set_buffer_count. If it is necessary to have N
* buffers simultaneously dequeued as part of the steady-state operation,
* and this query returns M then N+M buffers should be requested via
* native_window_set_buffer_count.
*
* Note that this value does NOT apply until a single buffer has been
* queued. In particular this means that it is possible to:
*
* 1. Query M = min undequeued buffers
* 2. Set the buffer count to N + M
* 3. Dequeue all N + M buffers
* 4. Cancel M buffers
* 5. Queue, dequeue, queue, dequeue, ad infinitum
*/
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS = 3,
/* Check whether queueBuffer operations on the ANativeWindow send the buffer
* to the window compositor. The query sets the returned 'value' argument
* to 1 if the ANativeWindow DOES send queued buffers directly to the window
* compositor and 0 if the buffers do not go directly to the window
* compositor.
*
* This can be used to determine whether protected buffer content should be
* sent to the ANativeWindow. Note, however, that a result of 1 does NOT
* indicate that queued buffers will be protected from applications or users
* capturing their contents. If that behavior is desired then some other
* mechanism (e.g. the GRALLOC_USAGE_PROTECTED flag) should be used in
* conjunction with this query.
*/
NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER = 4,
/* Get the concrete type of a ANativeWindow. See below for the list of
* possible return values.
*
* This query should not be used outside the Android framework and will
* likely be removed in the near future.
*/
NATIVE_WINDOW_CONCRETE_TYPE = 5,
/*
* Default width and height of ANativeWindow buffers, these are the
* dimensions of the window buffers irrespective of the
* NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS call and match the native window
* size unless overridden by NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS.
*/
NATIVE_WINDOW_DEFAULT_WIDTH = 6,
NATIVE_WINDOW_DEFAULT_HEIGHT = 7,
/*
* transformation that will most-likely be applied to buffers. This is only
* a hint, the actual transformation applied might be different.
*
* INTENDED USE:
*
* The transform hint can be used by a producer, for instance the GLES
* driver, to pre-rotate the rendering such that the final transformation
* in the composer is identity. This can be very useful when used in
* conjunction with the h/w composer HAL, in situations where it
* cannot handle arbitrary rotations.
*
* 1. Before dequeuing a buffer, the GL driver (or any other ANW client)
* queries the ANW for NATIVE_WINDOW_TRANSFORM_HINT.
*
* 2. The GL driver overrides the width and height of the ANW to
* account for NATIVE_WINDOW_TRANSFORM_HINT. This is done by querying
* NATIVE_WINDOW_DEFAULT_{WIDTH | HEIGHT}, swapping the dimensions
* according to NATIVE_WINDOW_TRANSFORM_HINT and calling
* native_window_set_buffers_dimensions().
*
* 3. The GL driver dequeues a buffer of the new pre-rotated size.
*
* 4. The GL driver renders to the buffer such that the image is
* already transformed, that is applying NATIVE_WINDOW_TRANSFORM_HINT
* to the rendering.
*
* 5. The GL driver calls native_window_set_transform to apply
* inverse transformation to the buffer it just rendered.
* In order to do this, the GL driver needs
* to calculate the inverse of NATIVE_WINDOW_TRANSFORM_HINT, this is
* done easily:
*
* int hintTransform, inverseTransform;
* query(..., NATIVE_WINDOW_TRANSFORM_HINT, &hintTransform);
* inverseTransform = hintTransform;
* if (hintTransform & HAL_TRANSFORM_ROT_90)
* inverseTransform ^= HAL_TRANSFORM_ROT_180;
*
*
* 6. The GL driver queues the pre-transformed buffer.
*
* 7. The composer combines the buffer transform with the display
* transform. If the buffer transform happens to cancel out the
* display transform then no rotation is needed.
*
*/
NATIVE_WINDOW_TRANSFORM_HINT = 8,
/*
* Boolean that indicates whether the consumer is running more than
* one buffer behind the producer.
*/
NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND = 9,
/*
* The consumer gralloc usage bits currently set by the consumer.
* The values are defined in hardware/libhardware/include/gralloc.h.
*/
NATIVE_WINDOW_CONSUMER_USAGE_BITS = 10,
/**
* Transformation that will by applied to buffers by the hwcomposer.
* This must not be set or checked by producer endpoints, and will
* disable the transform hint set in SurfaceFlinger (see
* NATIVE_WINDOW_TRANSFORM_HINT).
*
* INTENDED USE:
* Temporary - Please do not use this. This is intended only to be used
* by the camera's LEGACY mode.
*
* In situations where a SurfaceFlinger client wishes to set a transform
* that is not visible to the producer, and will always be applied in the
* hardware composer, the client can set this flag with
* native_window_set_buffers_sticky_transform. This can be used to rotate
* and flip buffers consumed by hardware composer without actually changing
* the aspect ratio of the buffers produced.
*/
NATIVE_WINDOW_STICKY_TRANSFORM = 11,
/**
* The default data space for the buffers as set by the consumer.
* The values are defined in graphics.h.
*/
NATIVE_WINDOW_DEFAULT_DATASPACE = 12,
/*
* Returns the age of the contents of the most recently dequeued buffer as
* the number of frames that have elapsed since it was last queued. For
* example, if the window is double-buffered, the age of any given buffer in
* steady state will be 2. If the dequeued buffer has never been queued, its
* age will be 0.
*/
NATIVE_WINDOW_BUFFER_AGE = 13,
};
/* Valid operations for the (*perform)() hook.
*
* Values marked as 'deprecated' are supported, but have been superceded by
* other functionality.
*
* Values marked as 'private' should be considered private to the framework.
* HAL implementation code with access to an ANativeWindow should not use these,
* as it may not interact properly with the framework's use of the
* ANativeWindow.
*/
enum {
NATIVE_WINDOW_SET_USAGE = 0,
NATIVE_WINDOW_CONNECT = 1, /* deprecated */
NATIVE_WINDOW_DISCONNECT = 2, /* deprecated */
NATIVE_WINDOW_SET_CROP = 3, /* private */
NATIVE_WINDOW_SET_BUFFER_COUNT = 4,
NATIVE_WINDOW_SET_BUFFERS_GEOMETRY = 5, /* deprecated */
NATIVE_WINDOW_SET_BUFFERS_TRANSFORM = 6,
NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP = 7,
NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS = 8,
NATIVE_WINDOW_SET_BUFFERS_FORMAT = 9,
NATIVE_WINDOW_SET_SCALING_MODE = 10, /* private */
NATIVE_WINDOW_LOCK = 11, /* private */
NATIVE_WINDOW_UNLOCK_AND_POST = 12, /* private */
NATIVE_WINDOW_API_CONNECT = 13, /* private */
NATIVE_WINDOW_API_DISCONNECT = 14, /* private */
NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */
NATIVE_WINDOW_SET_POST_TRANSFORM_CROP = 16, /* private */
NATIVE_WINDOW_SET_BUFFERS_STICKY_TRANSFORM = 17,/* private */
NATIVE_WINDOW_SET_SIDEBAND_STREAM = 18,
NATIVE_WINDOW_SET_BUFFERS_DATASPACE = 19,
NATIVE_WINDOW_SET_SURFACE_DAMAGE = 20, /* private */
NATIVE_WINDOW_SET_SHARED_BUFFER_MODE = 21,
NATIVE_WINDOW_SET_AUTO_REFRESH = 22,
};
/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
enum {
/* Buffers will be queued by EGL via eglSwapBuffers after being filled using
* OpenGL ES.
*/
NATIVE_WINDOW_API_EGL = 1,
/* Buffers will be queued after being filled using the CPU
*/
NATIVE_WINDOW_API_CPU = 2,
/* Buffers will be queued by Stagefright after being filled by a video
* decoder. The video decoder can either be a software or hardware decoder.
*/
NATIVE_WINDOW_API_MEDIA = 3,
/* Buffers will be queued by the the camera HAL.
*/
NATIVE_WINDOW_API_CAMERA = 4,
};
/* parameter for NATIVE_WINDOW_SET_BUFFERS_TRANSFORM */
enum {
/* flip source image horizontally */
NATIVE_WINDOW_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H ,
/* flip source image vertically */
NATIVE_WINDOW_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V,
/* rotate source image 90 degrees clock-wise, and is applied after TRANSFORM_FLIP_{H|V} */
NATIVE_WINDOW_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
/* rotate source image 180 degrees */
NATIVE_WINDOW_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
/* rotate source image 270 degrees clock-wise */
NATIVE_WINDOW_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270,
/* transforms source by the inverse transform of the screen it is displayed onto. This
* transform is applied last */
NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY = 0x08
};
/* parameter for NATIVE_WINDOW_SET_SCALING_MODE
* keep in sync with Surface.java in frameworks/base */
enum {
/* the window content is not updated (frozen) until a buffer of
* the window size is received (enqueued)
*/
NATIVE_WINDOW_SCALING_MODE_FREEZE = 0,
/* the buffer is scaled in both dimensions to match the window size */
NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW = 1,
/* the buffer is scaled uniformly such that the smaller dimension
* of the buffer matches the window size (cropping in the process)
*/
NATIVE_WINDOW_SCALING_MODE_SCALE_CROP = 2,
/* the window is clipped to the size of the buffer's crop rectangle; pixels
* outside the crop rectangle are treated as if they are completely
* transparent.
*/
NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP = 3,
};
/* values returned by the NATIVE_WINDOW_CONCRETE_TYPE query */
enum {
NATIVE_WINDOW_FRAMEBUFFER = 0, /* FramebufferNativeWindow */
NATIVE_WINDOW_SURFACE = 1, /* Surface */
};
/* parameter for NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP
*
* Special timestamp value to indicate that timestamps should be auto-generated
* by the native window when queueBuffer is called. This is equal to INT64_MIN,
* defined directly to avoid problems with C99/C++ inclusion of stdint.h.
*/
static const int64_t NATIVE_WINDOW_TIMESTAMP_AUTO = (-9223372036854775807LL-1);
struct ANativeWindow
{
#ifdef __cplusplus
ANativeWindow()
: flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0)
{
common.magic = ANDROID_NATIVE_WINDOW_MAGIC;
common.version = sizeof(ANativeWindow);
memset(common.reserved, 0, sizeof(common.reserved));
}
/* Implement the methods that sp<ANativeWindow> expects so that it
can be used to automatically refcount ANativeWindow's. */
void incStrong(const void* /*id*/) const {
common.incRef(const_cast<android_native_base_t*>(&common));
}
void decStrong(const void* /*id*/) const {
common.decRef(const_cast<android_native_base_t*>(&common));
}
#endif
struct android_native_base_t common;
/* flags describing some attributes of this surface or its updater */
const uint32_t flags;
/* min swap interval supported by this updated */
const int minSwapInterval;
/* max swap interval supported by this updated */
const int maxSwapInterval;
/* horizontal and vertical resolution in DPI */
const float xdpi;
const float ydpi;
/* Some storage reserved for the OEM's driver. */
intptr_t oem[4];
/*
* Set the swap interval for this surface.
*
* Returns 0 on success or -errno on error.
*/
int (*setSwapInterval)(struct ANativeWindow* window,
int interval);
/*
* Hook called by EGL to acquire a buffer. After this call, the buffer
* is not locked, so its content cannot be modified. This call may block if
* no buffers are available.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* Returns 0 on success or -errno on error.
*
* XXX: This function is deprecated. It will continue to work for some
* time for binary compatibility, but the new dequeueBuffer function that
* outputs a fence file descriptor should be used in its place.
*/
int (*dequeueBuffer_DEPRECATED)(struct ANativeWindow* window,
struct ANativeWindowBuffer** buffer);
/*
* hook called by EGL to lock a buffer. This MUST be called before modifying
* the content of a buffer. The buffer must have been acquired with
* dequeueBuffer first.
*
* Returns 0 on success or -errno on error.
*
* XXX: This function is deprecated. It will continue to work for some
* time for binary compatibility, but it is essentially a no-op, and calls
* to it should be removed.
*/
int (*lockBuffer_DEPRECATED)(struct ANativeWindow* window,
struct ANativeWindowBuffer* buffer);
/*
* Hook called by EGL when modifications to the render buffer are done.
* This unlocks and post the buffer.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* Buffers MUST be queued in the same order than they were dequeued.
*
* Returns 0 on success or -errno on error.
*
* XXX: This function is deprecated. It will continue to work for some
* time for binary compatibility, but the new queueBuffer function that
* takes a fence file descriptor should be used in its place (pass a value
* of -1 for the fence file descriptor if there is no valid one to pass).
*/
int (*queueBuffer_DEPRECATED)(struct ANativeWindow* window,
struct ANativeWindowBuffer* buffer);
/*
* hook used to retrieve information about the native window.
*
* Returns 0 on success or -errno on error.
*/
int (*query)(const struct ANativeWindow* window,
int what, int* value);
/*
* hook used to perform various operations on the surface.
* (*perform)() is a generic mechanism to add functionality to
* ANativeWindow while keeping backward binary compatibility.
*
* DO NOT CALL THIS HOOK DIRECTLY. Instead, use the helper functions
* defined below.
*
* (*perform)() returns -ENOENT if the 'what' parameter is not supported
* by the surface's implementation.
*
* See above for a list of valid operations, such as
* NATIVE_WINDOW_SET_USAGE or NATIVE_WINDOW_CONNECT
*/
int (*perform)(struct ANativeWindow* window,
int operation, ... );
/*
* Hook used to cancel a buffer that has been dequeued.
* No synchronization is performed between dequeue() and cancel(), so
* either external synchronization is needed, or these functions must be
* called from the same thread.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* XXX: This function is deprecated. It will continue to work for some
* time for binary compatibility, but the new cancelBuffer function that
* takes a fence file descriptor should be used in its place (pass a value
* of -1 for the fence file descriptor if there is no valid one to pass).
*/
int (*cancelBuffer_DEPRECATED)(struct ANativeWindow* window,
struct ANativeWindowBuffer* buffer);
/*
* Hook called by EGL to acquire a buffer. This call may block if no
* buffers are available.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* The libsync fence file descriptor returned in the int pointed to by the
* fenceFd argument will refer to the fence that must signal before the
* dequeued buffer may be written to. A value of -1 indicates that the
* caller may access the buffer immediately without waiting on a fence. If
* a valid file descriptor is returned (i.e. any value except -1) then the
* caller is responsible for closing the file descriptor.
*
* Returns 0 on success or -errno on error.
*/
int (*dequeueBuffer)(struct ANativeWindow* window,
struct ANativeWindowBuffer** buffer, int* fenceFd);
/*
* Hook called by EGL when modifications to the render buffer are done.
* This unlocks and post the buffer.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* The fenceFd argument specifies a libsync fence file descriptor for a
* fence that must signal before the buffer can be accessed. If the buffer
* can be accessed immediately then a value of -1 should be used. The
* caller must not use the file descriptor after it is passed to
* queueBuffer, and the ANativeWindow implementation is responsible for
* closing it.
*
* Returns 0 on success or -errno on error.
*/
int (*queueBuffer)(struct ANativeWindow* window,
struct ANativeWindowBuffer* buffer, int fenceFd);
/*
* Hook used to cancel a buffer that has been dequeued.
* No synchronization is performed between dequeue() and cancel(), so
* either external synchronization is needed, or these functions must be
* called from the same thread.
*
* The window holds a reference to the buffer between dequeueBuffer and
* either queueBuffer or cancelBuffer, so clients only need their own
* reference if they might use the buffer after queueing or canceling it.
* Holding a reference to a buffer after queueing or canceling it is only
* allowed if a specific buffer count has been set.
*
* The fenceFd argument specifies a libsync fence file decsriptor for a
* fence that must signal before the buffer can be accessed. If the buffer
* can be accessed immediately then a value of -1 should be used.
*
* Note that if the client has not waited on the fence that was returned
* from dequeueBuffer, that same fence should be passed to cancelBuffer to
* ensure that future uses of the buffer are preceded by a wait on that
* fence. The caller must not use the file descriptor after it is passed
* to cancelBuffer, and the ANativeWindow implementation is responsible for
* closing it.
*
* Returns 0 on success or -errno on error.
*/
int (*cancelBuffer)(struct ANativeWindow* window,
struct ANativeWindowBuffer* buffer, int fenceFd);
};
/* Backwards compatibility: use ANativeWindow (struct ANativeWindow in C).
* android_native_window_t is deprecated.
*/
typedef struct ANativeWindow ANativeWindow;
typedef struct ANativeWindow android_native_window_t __deprecated;
/*
* native_window_set_usage(..., usage)
* Sets the intended usage flags for the next buffers
* acquired with (*lockBuffer)() and on.
* By default (if this function is never called), a usage of
* GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE
* is assumed.
* Calling this function will usually cause following buffers to be
* reallocated.
*/
static inline int native_window_set_usage(
struct ANativeWindow* window, int usage)
{
return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage);
}
/* deprecated. Always returns 0. Don't call. */
static inline int native_window_connect(
struct ANativeWindow* window __UNUSED, int api __UNUSED) __deprecated;
static inline int native_window_connect(
struct ANativeWindow* window __UNUSED, int api __UNUSED) {
return 0;
}
/* deprecated. Always returns 0. Don't call. */
static inline int native_window_disconnect(
struct ANativeWindow* window __UNUSED, int api __UNUSED) __deprecated;
static inline int native_window_disconnect(
struct ANativeWindow* window __UNUSED, int api __UNUSED) {
return 0;
}
/*
* native_window_set_crop(..., crop)
* Sets which region of the next queued buffers needs to be considered.
* Depending on the scaling mode, a buffer's crop region is scaled and/or
* cropped to match the surface's size. This function sets the crop in
* pre-transformed buffer pixel coordinates.
*
* The specified crop region applies to all buffers queued after it is called.
*
* If 'crop' is NULL, subsequently queued buffers won't be cropped.
*
* An error is returned if for instance the crop region is invalid, out of the
* buffer's bound or if the window is invalid.
*/
static inline int native_window_set_crop(
struct ANativeWindow* window,
android_native_rect_t const * crop)
{
return window->perform(window, NATIVE_WINDOW_SET_CROP, crop);
}
/*
* native_window_set_post_transform_crop(..., crop)
* Sets which region of the next queued buffers needs to be considered.
* Depending on the scaling mode, a buffer's crop region is scaled and/or
* cropped to match the surface's size. This function sets the crop in
* post-transformed pixel coordinates.
*
* The specified crop region applies to all buffers queued after it is called.
*
* If 'crop' is NULL, subsequently queued buffers won't be cropped.
*
* An error is returned if for instance the crop region is invalid, out of the
* buffer's bound or if the window is invalid.
*/
static inline int native_window_set_post_transform_crop(
struct ANativeWindow* window,
android_native_rect_t const * crop)
{
return window->perform(window, NATIVE_WINDOW_SET_POST_TRANSFORM_CROP, crop);
}
/*
* native_window_set_active_rect(..., active_rect)
*
* This function is deprecated and will be removed soon. For now it simply
* sets the post-transform crop for compatibility while multi-project commits
* get checked.
*/
static inline int native_window_set_active_rect(
struct ANativeWindow* window,
android_native_rect_t const * active_rect) __deprecated;
static inline int native_window_set_active_rect(
struct ANativeWindow* window,
android_native_rect_t const * active_rect)
{
return native_window_set_post_transform_crop(window, active_rect);
}
/*
* native_window_set_buffer_count(..., count)
* Sets the number of buffers associated with this native window.
*/
static inline int native_window_set_buffer_count(
struct ANativeWindow* window,
size_t bufferCount)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFER_COUNT, bufferCount);
}
/*
* native_window_set_buffers_geometry(..., int w, int h, int format)
* All buffers dequeued after this call will have the dimensions and format
* specified. A successful call to this function has the same effect as calling
* native_window_set_buffers_size and native_window_set_buffers_format.
*
* XXX: This function is deprecated. The native_window_set_buffers_dimensions
* and native_window_set_buffers_format functions should be used instead.
*/
static inline int native_window_set_buffers_geometry(
struct ANativeWindow* window,
int w, int h, int format) __deprecated;
static inline int native_window_set_buffers_geometry(
struct ANativeWindow* window,
int w, int h, int format)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
w, h, format);
}
/*
* native_window_set_buffers_dimensions(..., int w, int h)
* All buffers dequeued after this call will have the dimensions specified.
* In particular, all buffers will have a fixed-size, independent from the
* native-window size. They will be scaled according to the scaling mode
* (see native_window_set_scaling_mode) upon window composition.
*
* If w and h are 0, the normal behavior is restored. That is, dequeued buffers
* following this call will be sized to match the window's size.
*
* Calling this function will reset the window crop to a NULL value, which
* disables cropping of the buffers.
*/
static inline int native_window_set_buffers_dimensions(
struct ANativeWindow* window,
int w, int h)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS,
w, h);
}
/*
* native_window_set_buffers_user_dimensions(..., int w, int h)
*
* Sets the user buffer size for the window, which overrides the
* window's size. All buffers dequeued after this call will have the
* dimensions specified unless overridden by
* native_window_set_buffers_dimensions. All buffers will have a
* fixed-size, independent from the native-window size. They will be
* scaled according to the scaling mode (see
* native_window_set_scaling_mode) upon window composition.
*
* If w and h are 0, the normal behavior is restored. That is, the
* default buffer size will match the windows's size.
*
* Calling this function will reset the window crop to a NULL value, which
* disables cropping of the buffers.
*/
static inline int native_window_set_buffers_user_dimensions(
struct ANativeWindow* window,
int w, int h)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS,
w, h);
}
/*
* native_window_set_buffers_format(..., int format)
* All buffers dequeued after this call will have the format specified.
*
* If the specified format is 0, the default buffer format will be used.
*/
static inline int native_window_set_buffers_format(
struct ANativeWindow* window,
int format)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_FORMAT, format);
}
/*
* native_window_set_buffers_data_space(..., int dataSpace)
* All buffers queued after this call will be associated with the dataSpace
* parameter specified.
*
* dataSpace specifies additional information about the buffer that's dependent
* on the buffer format and the endpoints. For example, it can be used to convey
* the color space of the image data in the buffer, or it can be used to
* indicate that the buffers contain depth measurement data instead of color
* images. The default dataSpace is 0, HAL_DATASPACE_UNKNOWN, unless it has been
* overridden by the consumer.
*/
static inline int native_window_set_buffers_data_space(
struct ANativeWindow* window,
android_dataspace_t dataSpace)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_DATASPACE,
dataSpace);
}
/*
* native_window_set_buffers_transform(..., int transform)
* All buffers queued after this call will be displayed transformed according
* to the transform parameter specified.
*/
static inline int native_window_set_buffers_transform(
struct ANativeWindow* window,
int transform)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TRANSFORM,
transform);
}
/*
* native_window_set_buffers_sticky_transform(..., int transform)
* All buffers queued after this call will be displayed transformed according
* to the transform parameter specified applied on top of the regular buffer
* transform. Setting this transform will disable the transform hint.
*
* Temporary - This is only intended to be used by the LEGACY camera mode, do
* not use this for anything else.
*/
static inline int native_window_set_buffers_sticky_transform(
struct ANativeWindow* window,
int transform)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_STICKY_TRANSFORM,
transform);
}
/*
* native_window_set_buffers_timestamp(..., int64_t timestamp)
* All buffers queued after this call will be associated with the timestamp
* parameter specified. If the timestamp is set to NATIVE_WINDOW_TIMESTAMP_AUTO
* (the default), timestamps will be generated automatically when queueBuffer is
* called. The timestamp is measured in nanoseconds, and is normally monotonically
* increasing. The timestamp should be unaffected by time-of-day adjustments,
* and for a camera should be strictly monotonic but for a media player may be
* reset when the position is set.
*/
static inline int native_window_set_buffers_timestamp(
struct ANativeWindow* window,
int64_t timestamp)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP,
timestamp);
}
/*
* native_window_set_scaling_mode(..., int mode)
* All buffers queued after this call will be associated with the scaling mode
* specified.
*/
static inline int native_window_set_scaling_mode(
struct ANativeWindow* window,
int mode)
{
return window->perform(window, NATIVE_WINDOW_SET_SCALING_MODE,
mode);
}
/*
* native_window_api_connect(..., int api)
* connects an API to this window. only one API can be connected at a time.
* Returns -EINVAL if for some reason the window cannot be connected, which
* can happen if it's connected to some other API.
*/
static inline int native_window_api_connect(
struct ANativeWindow* window, int api)
{
return window->perform(window, NATIVE_WINDOW_API_CONNECT, api);
}
/*
* native_window_api_disconnect(..., int api)
* disconnect the API from this window.
* An error is returned if for instance the window wasn't connected in the
* first place.
*/
static inline int native_window_api_disconnect(
struct ANativeWindow* window, int api)
{
return window->perform(window, NATIVE_WINDOW_API_DISCONNECT, api);
}
/*
* native_window_dequeue_buffer_and_wait(...)
* Dequeue a buffer and wait on the fence associated with that buffer. The
* buffer may safely be accessed immediately upon this function returning. An
* error is returned if either of the dequeue or the wait operations fail.
*/
static inline int native_window_dequeue_buffer_and_wait(ANativeWindow *anw,
struct ANativeWindowBuffer** anb) {
return anw->dequeueBuffer_DEPRECATED(anw, anb);
}
/*
* native_window_set_sideband_stream(..., native_handle_t*)
* Attach a sideband buffer stream to a native window.
*/
static inline int native_window_set_sideband_stream(
struct ANativeWindow* window,
native_handle_t* sidebandHandle)
{
return window->perform(window, NATIVE_WINDOW_SET_SIDEBAND_STREAM,
sidebandHandle);
}
/*
* native_window_set_surface_damage(..., android_native_rect_t* rects, int numRects)
* Set the surface damage (i.e., the region of the surface that has changed
* since the previous frame). The damage set by this call will be reset (to the
* default of full-surface damage) after calling queue, so this must be called
* prior to every frame with damage that does not cover the whole surface if the
* caller desires downstream consumers to use this optimization.
*
* The damage region is specified as an array of rectangles, with the important
* caveat that the origin of the surface is considered to be the bottom-left
* corner, as in OpenGL ES.
*
* If numRects is set to 0, rects may be NULL, and the surface damage will be
* set to the full surface (the same as if this function had not been called for
* this frame).
*/
static inline int native_window_set_surface_damage(
struct ANativeWindow* window,
const android_native_rect_t* rects, size_t numRects)
{
return window->perform(window, NATIVE_WINDOW_SET_SURFACE_DAMAGE,
rects, numRects);
}
/*
* native_window_set_shared_buffer_mode(..., bool sharedBufferMode)
* Enable/disable shared buffer mode
*/
static inline int native_window_set_shared_buffer_mode(
struct ANativeWindow* window,
bool sharedBufferMode)
{
return window->perform(window, NATIVE_WINDOW_SET_SHARED_BUFFER_MODE,
sharedBufferMode);
}
/*
* native_window_set_auto_refresh(..., autoRefresh)
* Enable/disable auto refresh when in shared buffer mode
*/
static inline int native_window_set_auto_refresh(
struct ANativeWindow* window,
bool autoRefresh)
{
return window->perform(window, NATIVE_WINDOW_SET_AUTO_REFRESH, autoRefresh);
}
__END_DECLS
#endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */