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/*
// Copyright (c) 2014 Intel Corporation
//
// 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 <common/utils/HwcTrace.h>
#include <DisplayPlane.h>
#include <PlaneCapabilities.h>
#include <ips/common/OverlayHardware.h>
#include <common/base/HwcLayer.h>
#include <khronos/openmax/OMX_IntelVideoExt.h>
#include <hal_public.h>
#define SPRITE_PLANE_MAX_STRIDE_TILED 16384
#define SPRITE_PLANE_MAX_STRIDE_LINEAR 16384
#define OVERLAY_PLANE_MAX_STRIDE_PACKED 4096
#define OVERLAY_PLANE_MAX_STRIDE_LINEAR 8192
namespace android {
namespace intel {
bool PlaneCapabilities::isFormatSupported(int planeType, HwcLayer *hwcLayer)
{
uint32_t format = hwcLayer->getFormat();
uint32_t trans = hwcLayer->getLayer()->transform;
if (planeType == DisplayPlane::PLANE_SPRITE || planeType == DisplayPlane::PLANE_PRIMARY) {
switch (format) {
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_BGRX_8888:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_565:
return trans ? false : true;
default:
VLOGTRACE("unsupported format %#x", format);
return false;
}
} else if (planeType == DisplayPlane::PLANE_OVERLAY) {
switch (format) {
case HAL_PIXEL_FORMAT_I420:
case HAL_PIXEL_FORMAT_YUY2:
case HAL_PIXEL_FORMAT_UYVY:
// TODO: overlay supports 180 degree rotation
if (trans == HAL_TRANSFORM_ROT_180) {
WLOGTRACE("180 degree rotation is not supported yet");
}
return trans ? false : true;
case HAL_PIXEL_FORMAT_INTEL_YV12:
return trans ? false: true;
case HAL_PIXEL_FORMAT_NV12:
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar:
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar_Tiled:
return true;
default:
VLOGTRACE("unsupported format %#x", format);
return false;
}
} else {
ELOGTRACE("invalid plane type %d", planeType);
return false;
}
}
bool PlaneCapabilities::isSizeSupported(int planeType, HwcLayer *hwcLayer)
{
uint32_t format = hwcLayer->getFormat();
const stride_t& stride = hwcLayer->getBufferStride();
bool isYUVPacked;
uint32_t maxStride;
if (planeType == DisplayPlane::PLANE_SPRITE || planeType == DisplayPlane::PLANE_PRIMARY) {
switch (format) {
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_BGRX_8888:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_565:
VLOGTRACE("stride %d", stride.rgb.stride);
if (stride.rgb.stride > SPRITE_PLANE_MAX_STRIDE_LINEAR) {
VLOGTRACE("too large stride %d", stride.rgb.stride);
return false;
}
return true;
default:
VLOGTRACE("unsupported format %#x", format);
return false;
}
} else if (planeType == DisplayPlane::PLANE_OVERLAY) {
switch (format) {
case HAL_PIXEL_FORMAT_INTEL_YV12:
case HAL_PIXEL_FORMAT_I420:
case HAL_PIXEL_FORMAT_NV12:
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar:
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar_Tiled:
isYUVPacked = false;
break;
case HAL_PIXEL_FORMAT_YUY2:
case HAL_PIXEL_FORMAT_UYVY:
isYUVPacked = true;
break;
default:
VLOGTRACE("unsupported format %#x", format);
return false;
}
// don't use overlay plane if stride is too big
maxStride = OVERLAY_PLANE_MAX_STRIDE_LINEAR;
if (isYUVPacked) {
maxStride = OVERLAY_PLANE_MAX_STRIDE_PACKED;
}
if (stride.yuv.yStride > maxStride) {
VLOGTRACE("stride %d is too large", stride.yuv.yStride);
return false;
}
return true;
} else {
ELOGTRACE("invalid plane type %d", planeType);
return false;
}
}
bool PlaneCapabilities::isBlendingSupported(int planeType, HwcLayer *hwcLayer)
{
uint32_t blending = (uint32_t)hwcLayer->getLayer()->blending;
if (planeType == DisplayPlane::PLANE_SPRITE || planeType == DisplayPlane::PLANE_PRIMARY) {
// support premultipled & none blanding
switch (blending) {
case HWC_BLENDING_NONE:
case HWC_BLENDING_PREMULT:
// add coverage alpha support for ann
case HWC_BLENDING_COVERAGE:
return true;
default:
VLOGTRACE("unsupported blending %#x", blending);
return false;
}
} else if (planeType == DisplayPlane::PLANE_OVERLAY) {
// overlay doesn't support blending
return (blending == HWC_BLENDING_NONE) ? true : false;
} else {
ELOGTRACE("invalid plane type %d", planeType);
return false;
}
}
bool PlaneCapabilities::isScalingSupported(int planeType, HwcLayer *hwcLayer)
{
hwc_frect_t& src = hwcLayer->getLayer()->sourceCropf;
hwc_rect_t& dest = hwcLayer->getLayer()->displayFrame;
uint32_t trans = hwcLayer->getLayer()->transform;
int srcW, srcH;
int dstW, dstH;
srcW = (int)src.right - (int)src.left;
srcH = (int)src.bottom - (int)src.top;
dstW = dest.right - dest.left;
dstH = dest.bottom - dest.top;
if (planeType == DisplayPlane::PLANE_SPRITE || planeType == DisplayPlane::PLANE_PRIMARY) {
// no scaling is supported
return ((srcW == dstW) && (srcH == dstH)) ? true : false;
} else if (planeType == DisplayPlane::PLANE_OVERLAY) {
// overlay cannot support resolution that bigger than 2047x2047.
if ((srcW > INTEL_OVERLAY_MAX_WIDTH - 1) || (srcH > INTEL_OVERLAY_MAX_HEIGHT - 1)) {
return false;
}
if (dstW <= 1 || dstH <= 1 || srcW <= 1 || srcH <= 1) {
// Workaround: Overlay flip when height is 1 causes MIPI stall on TNG
DLOGTRACE("invalid destination size: %dx%d, fall back to GLES", dstW, dstH);
return false;
}
if (trans == HAL_TRANSFORM_ROT_90 || trans == HAL_TRANSFORM_ROT_270) {
int tmp = srcW;
srcW = srcH;
srcH = tmp;
}
if (!hwcLayer->isProtected()) {
if ((int)src.left & 63) {
DLOGTRACE("offset %d is not 64 bytes aligned, fall back to GLES", (int)src.left);
return false;
}
float scaleX = (float)srcW / dstW;
float scaleY = (float)srcH / dstH;
if (scaleX > 4.0 || scaleY > 4.0 || scaleX < 0.25 || scaleY < 0.25) {
WLOGTRACE("overlay scaling > 4, fall back to GLES");
return false;
}
}
return true;
} else {
ELOGTRACE("invalid plane type %d", planeType);
return false;
}
}
bool PlaneCapabilities::isTransformSupported(int planeType, HwcLayer *hwcLayer)
{
uint32_t trans = hwcLayer->getLayer()->transform;
if (planeType == DisplayPlane::PLANE_OVERLAY) {
// overlay does not support FLIP_H/FLIP_V
switch (trans) {
case 0:
case HAL_TRANSFORM_ROT_90:
case HAL_TRANSFORM_ROT_270:
return true;
default:
return false;
}
}
// don't transform any tranform
return trans ? false : true;
}
} // namespace intel
} // namespace android
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