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/*
* Copyright (c) 2019 The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* Not a Contribution.
* 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.
*/
package vendor.qti.hardware.display.mapperextensions@1.0;
enum Error : int32_t {
NONE = 0,
BAD_BUFFER = 2,
NO_RESOURCES = 5,
UNSUPPORTED = 7,
};
struct YCbCrLayout {
pointer y;
pointer cb;
pointer cr;
uint32_t yStride;
uint32_t cStride;
uint32_t chromaStep;
};
/**
* Plane Component type definitions.
*/
enum PlaneComponent : uint32_t {
/* luma */
PLANE_COMPONENT_Y = 1 << 0,
/* chroma blue */
PLANE_COMPONENT_Cb = 1 << 1,
/* chroma red */
PLANE_COMPONENT_Cr = 1 << 2,
/* red */
PLANE_COMPONENT_R = 1 << 10,
/* green */
PLANE_COMPONENT_G = 1 << 11,
/* blue */
PLANE_COMPONENT_B = 1 << 12,
/* alpha */
PLANE_COMPONENT_A = 1 << 20,
/* raw data plane */
PLANE_COMPONENT_RAW = 1 << 30,
/* meta information plane */
PLANE_COMPONENT_META = 1 << 31,
};
/**
* Flags to send with getFormatLayout for extra information for e.g. interlaced,
* otherwise send 0.
*/
enum Flags : int32_t {
/* flag to send for interlace */
LAYOUT_INTERLACED_FLAG = 1 << 0,
};
/**
* Structure for describing plane layout information for YUVA/RGBA/RAW formats
* YUV formats can be planar or semi-planar.
*
* This layout structure is used with any pixel format that can be
* represented by it, such as:
* - HAL_PIXEL_FORMAT_YCbCr_*
* - HAL_PIXEL_FORMAT_RGB*_*
* - even implementation defined formats that can be represented by
* the structures
*
* Each plane can be made up of one or more PlaneComponents depending on
* the format.
*
* Each plane can be subsampled either vertically or horizontally by
* a power-of-two factor.
*
* Pixel increment describes the distance in bytes from one pixel to the
* next pixel (to the right) on the same row for the component plane.
* This can be negative.
*
* Stride is provided in both pixels and bytes.
* Stride_bytes describes the distance in bytes from the first pixel of
* one row to the first pixel of the next row (below) for the component plane.
* This can be negative.
*
* Scanlines describes the height of the plane in terms of number of rows.
*
* Size of plane is stride_bytes * scanlines + any padding required for
* alignment as per format specification.
*
*/
struct PlaneLayout {
/** Fields below provide the plane layout requirements.
* Values of these fields are specific to the format being
* described and are fixed. They do not depend on actual image
* width and height.
*/
/** Components represented by the plane. */
bitfield<PlaneComponent> component;
/** horizontal subsampling. Must be a positive power of 2. */
uint32_t h_subsampling;
/** vertical subsampling. Must be a positive power of 2. */
uint32_t v_subsampling;
/** offset to the first byte of the top-left pixel of the plane
* and it is calculated from the start of the buffer.
* Add base of the handle with offset to get the first byte of the plane.
*/
uint32_t offset;
/** pixel increment */
int32_t pixel_increment;
/** Fields below will have values that are calcuated based
* on provided image width and height.
*/
/** row width or horizontal stride in pixels */
int32_t stride;
/** row width or horzontal stride in bytes */
int32_t stride_bytes;
/** plane height or vertical stride */
int32_t scanlines;
/** Size of the plane in bytes */
uint32_t size;
};
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