/*
* Copyright (c) 2011-2016, 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.
*/
#include <cutils/log.h>
#include <algorithm>
#include "gr_utils.h"
#include "gr_allocator.h"
#include "gr_adreno_info.h"
#include "gralloc_priv.h"
#include "qd_utils.h"
#include "qdMetaData.h"
#define ASTC_BLOCK_SIZE 16
#ifndef ION_FLAG_CP_PIXEL
#define ION_FLAG_CP_PIXEL 0
#endif
#ifndef ION_FLAG_ALLOW_NON_CONTIG
#define ION_FLAG_ALLOW_NON_CONTIG 0
#endif
#ifdef MASTER_SIDE_CP
#define CP_HEAP_ID ION_SECURE_HEAP_ID
#define SD_HEAP_ID ION_SECURE_DISPLAY_HEAP_ID
#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
#define ION_SD_FLAGS (ION_SECURE | ION_FLAG_CP_SEC_DISPLAY)
#else // SLAVE_SIDE_CP
#define CP_HEAP_ID ION_CP_MM_HEAP_ID
#define SD_HEAP_ID CP_HEAP_ID
#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
#define ION_SD_FLAGS ION_SECURE
#endif
namespace gralloc1 {
Allocator::Allocator() : ion_allocator_(NULL), adreno_helper_(NULL) {
}
bool Allocator::Init() {
ion_allocator_ = new IonAlloc();
if (!ion_allocator_->Init()) {
return false;
}
adreno_helper_ = new AdrenoMemInfo();
if (!adreno_helper_->Init()) {
return false;
}
gpu_support_macrotile = adreno_helper_->IsMacroTilingSupportedByGPU();
int supports_macrotile = 0;
qdutils::querySDEInfo(qdutils::HAS_MACRO_TILE, &supports_macrotile);
display_support_macrotile = !!supports_macrotile;
return true;
}
Allocator::~Allocator() {
if (ion_allocator_) {
delete ion_allocator_;
}
if (adreno_helper_) {
delete adreno_helper_;
}
}
int Allocator::AllocateMem(AllocData *alloc_data, gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage) {
int ret;
alloc_data->uncached = UseUncached(prod_usage);
// After this point we should have the right heap set, there is no fallback
GetIonHeapInfo(prod_usage, cons_usage, &alloc_data->heap_id, &alloc_data->alloc_type,
&alloc_data->flags);
ret = ion_allocator_->AllocBuffer(alloc_data);
if (ret >= 0) {
alloc_data->alloc_type |= private_handle_t::PRIV_FLAGS_USES_ION;
} else {
ALOGE("%s: Failed to allocate buffer - heap: 0x%x flags: 0x%x", __FUNCTION__,
alloc_data->heap_id, alloc_data->flags);
}
return ret;
}
// Allocates buffer from width, height and format into a
// private_handle_t. It is the responsibility of the caller
// to free the buffer using the FreeBuffer function
int Allocator::AllocateBuffer(const BufferDescriptor &descriptor, private_handle_t **pHnd) {
AllocData data;
unsigned int aligned_w, aligned_h;
data.base = 0;
data.fd = -1;
data.offset = 0;
data.align = (unsigned int)getpagesize();
int format = descriptor.GetFormat();
gralloc1_producer_usage_t prod_usage = descriptor.GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = descriptor.GetConsumerUsage();
GetBufferSizeAndDimensions(descriptor, &data.size, &aligned_w, &aligned_h);
int err = AllocateMem(&data, prod_usage, cons_usage);
if (0 != err) {
ALOGE("%s: allocate failed", __FUNCTION__);
return -ENOMEM;
}
if (IsUBwcEnabled(format, prod_usage, cons_usage)) {
data.alloc_type |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
}
// Metadata is not allocated. would be empty
private_handle_t *hnd = new private_handle_t(
data.fd, data.size, INT(data.alloc_type), 0, INT(format), INT(aligned_w), INT(aligned_h), -1,
0, 0, descriptor.GetWidth(), descriptor.GetHeight(), prod_usage, cons_usage);
hnd->base = (uint64_t)data.base;
hnd->offset = data.offset;
hnd->gpuaddr = 0;
*pHnd = hnd;
return 0;
}
int Allocator::MapBuffer(void **base, unsigned int size, unsigned int offset, int fd) {
if (ion_allocator_) {
return ion_allocator_->MapBuffer(base, size, offset, fd);
}
return -EINVAL;
}
int Allocator::FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd) {
if (ion_allocator_) {
return ion_allocator_->FreeBuffer(base, size, offset, fd);
}
return -EINVAL;
}
int Allocator::CleanBuffer(void *base, unsigned int size, unsigned int offset, int fd, int op) {
if (ion_allocator_) {
return ion_allocator_->CleanBuffer(base, size, offset, fd, op);
}
return -EINVAL;
}
bool Allocator::CheckForBufferSharing(uint32_t num_descriptors, const BufferDescriptor *descriptors,
int *max_index) {
unsigned int cur_heap_id = 0, prev_heap_id = 0;
unsigned int cur_alloc_type = 0, prev_alloc_type = 0;
unsigned int cur_ion_flags = 0, prev_ion_flags = 0;
bool cur_uncached = false, prev_uncached = false;
unsigned int alignedw, alignedh;
unsigned int max_size = 0;
*max_index = -1;
for (uint32_t i = 0; i < num_descriptors; i++) {
// Check Cached vs non-cached and all the ION flags
cur_uncached = UseUncached(descriptors[i].GetProducerUsage());
GetIonHeapInfo(descriptors[i].GetProducerUsage(), descriptors[i].GetConsumerUsage(),
&cur_heap_id, &cur_alloc_type, &cur_ion_flags);
if (i > 0 && (cur_heap_id != prev_heap_id || cur_alloc_type != prev_alloc_type ||
cur_ion_flags != prev_ion_flags)) {
return false;
}
// For same format type, find the descriptor with bigger size
GetAlignedWidthAndHeight(descriptors[i], &alignedw, &alignedh);
unsigned int size = GetSize(descriptors[i], alignedw, alignedh);
if (max_size < size) {
*max_index = INT(i);
max_size = size;
}
prev_heap_id = cur_heap_id;
prev_uncached = cur_uncached;
prev_ion_flags = cur_ion_flags;
prev_alloc_type = cur_alloc_type;
}
return true;
}
bool Allocator::IsMacroTileEnabled(int format, gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage) {
bool tile_enabled = false;
// Check whether GPU & MDSS supports MacroTiling feature
if (!adreno_helper_->IsMacroTilingSupportedByGPU() || !display_support_macrotile) {
return tile_enabled;
}
// check the format
switch (format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_BGR_565:
if (!CpuCanAccess(prod_usage, cons_usage)) {
// not touched by CPU
tile_enabled = true;
}
break;
default:
break;
}
return tile_enabled;
}
// helper function
unsigned int Allocator::GetSize(const BufferDescriptor &descriptor, unsigned int alignedw,
unsigned int alignedh) {
unsigned int size = 0;
int format = descriptor.GetFormat();
int width = descriptor.GetWidth();
int height = descriptor.GetHeight();
gralloc1_producer_usage_t prod_usage = descriptor.GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = descriptor.GetConsumerUsage();
if (IsUBwcEnabled(format, prod_usage, cons_usage)) {
return GetUBwcSize(width, height, format, alignedw, alignedh);
}
if (IsUncompressedRGBFormat(format)) {
uint32_t bpp = GetBppForUncompressedRGB(format);
size = alignedw * alignedh * bpp;
return size;
}
if (IsCompressedRGBFormat(format)) {
size = alignedw * alignedh * ASTC_BLOCK_SIZE;
return size;
}
// Below switch should be for only YUV/custom formats
switch (format) {
case HAL_PIXEL_FORMAT_RAW16:
size = alignedw * alignedh * 2;
break;
case HAL_PIXEL_FORMAT_RAW10:
size = ALIGN(alignedw * alignedh, SIZE_4K);
break;
// adreno formats
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: // NV21
size = ALIGN(alignedw * alignedh, SIZE_4K);
size += (unsigned int)ALIGN(2 * ALIGN(width / 2, 32) * ALIGN(height / 2, 32), SIZE_4K);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12
// The chroma plane is subsampled,
// but the pitch in bytes is unchanged
// The GPU needs 4K alignment, but the video decoder needs 8K
size = ALIGN(alignedw * alignedh, SIZE_8K);
size += ALIGN(alignedw * (unsigned int)ALIGN(height / 2, 32), SIZE_8K);
break;
case HAL_PIXEL_FORMAT_YV12:
if ((format == HAL_PIXEL_FORMAT_YV12) && ((width & 1) || (height & 1))) {
ALOGE("w or h is odd for the YV12 format");
return 0;
}
size = alignedw * alignedh + (ALIGN(alignedw / 2, 16) * (alignedh / 2)) * 2;
size = ALIGN(size, (unsigned int)SIZE_4K);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
size = ALIGN((alignedw * alignedh) + (alignedw * alignedh) / 2 + 1, SIZE_4K);
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_I:
case HAL_PIXEL_FORMAT_YCrCb_422_I:
if (width & 1) {
ALOGE("width is odd for the YUV422_SP format");
return 0;
}
size = ALIGN(alignedw * alignedh * 2, SIZE_4K);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV21, width, height);
break;
case HAL_PIXEL_FORMAT_BLOB:
case HAL_PIXEL_FORMAT_RAW_OPAQUE:
if (height != 1) {
ALOGE("%s: Buffers with HAL_PIXEL_FORMAT_BLOB must have height 1 ", __FUNCTION__);
return 0;
}
size = (unsigned int)width;
break;
case HAL_PIXEL_FORMAT_NV21_ZSL:
size = ALIGN((alignedw * alignedh) + (alignedw * alignedh) / 2, SIZE_4K);
break;
default:
ALOGE("%s: Unrecognized pixel format: 0x%x", __FUNCTION__, format);
return 0;
}
return size;
}
void Allocator::GetBufferSizeAndDimensions(int width, int height, int format, unsigned int *size,
unsigned int *alignedw, unsigned int *alignedh) {
BufferDescriptor descriptor = BufferDescriptor(width, height, format);
GetAlignedWidthAndHeight(descriptor, alignedw, alignedh);
*size = GetSize(descriptor, *alignedw, *alignedh);
}
void Allocator::GetBufferSizeAndDimensions(const BufferDescriptor &descriptor, unsigned int *size,
unsigned int *alignedw, unsigned int *alignedh) {
GetAlignedWidthAndHeight(descriptor, alignedw, alignedh);
*size = GetSize(descriptor, *alignedw, *alignedh);
}
void Allocator::GetBufferAttributes(const BufferDescriptor &descriptor, unsigned int *alignedw,
unsigned int *alignedh, int *tiled, unsigned int *size) {
int format = descriptor.GetFormat();
gralloc1_producer_usage_t prod_usage = descriptor.GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = descriptor.GetConsumerUsage();
*tiled = false;
if (IsUBwcEnabled(format, prod_usage, cons_usage) ||
IsMacroTileEnabled(format, prod_usage, cons_usage)) {
*tiled = true;
}
GetAlignedWidthAndHeight(descriptor, alignedw, alignedh);
*size = GetSize(descriptor, *alignedw, *alignedh);
}
void Allocator::GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height,
int color_format, struct android_ycbcr *ycbcr) {
// UBWC buffer has these 4 planes in the following sequence:
// Y_Meta_Plane, Y_Plane, UV_Meta_Plane, UV_Plane
unsigned int y_meta_stride, y_meta_height, y_meta_size;
unsigned int y_stride, y_height, y_size;
unsigned int c_meta_stride, c_meta_height, c_meta_size;
unsigned int alignment = 4096;
y_meta_stride = VENUS_Y_META_STRIDE(color_format, INT(width));
y_meta_height = VENUS_Y_META_SCANLINES(color_format, INT(height));
y_meta_size = ALIGN((y_meta_stride * y_meta_height), alignment);
y_stride = VENUS_Y_STRIDE(color_format, INT(width));
y_height = VENUS_Y_SCANLINES(color_format, INT(height));
y_size = ALIGN((y_stride * y_height), alignment);
c_meta_stride = VENUS_UV_META_STRIDE(color_format, INT(width));
c_meta_height = VENUS_UV_META_SCANLINES(color_format, INT(height));
c_meta_size = ALIGN((c_meta_stride * c_meta_height), alignment);
ycbcr->y = reinterpret_cast<void *>(base + y_meta_size);
ycbcr->cb = reinterpret_cast<void *>(base + y_meta_size + y_size + c_meta_size);
ycbcr->cr = reinterpret_cast<void *>(base + y_meta_size + y_size + c_meta_size + 1);
ycbcr->ystride = y_stride;
ycbcr->cstride = VENUS_UV_STRIDE(color_format, INT(width));
}
void Allocator::GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp,
struct android_ycbcr *ycbcr) {
unsigned int ystride, cstride;
ystride = cstride = UINT(width) * bpp;
ycbcr->y = reinterpret_cast<void *>(base);
ycbcr->cb = reinterpret_cast<void *>(base + ystride * UINT(height));
ycbcr->cr = reinterpret_cast<void *>(base + ystride * UINT(height) + 1);
ycbcr->ystride = ystride;
ycbcr->cstride = cstride;
ycbcr->chroma_step = 2 * bpp;
}
int Allocator::GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr) {
int err = 0;
uint32_t width = UINT(hnd->width);
uint32_t height = UINT(hnd->height);
int format = hnd->format;
gralloc1_producer_usage_t prod_usage = hnd->GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = hnd->GetConsumerUsage();
unsigned int ystride, cstride;
memset(ycbcr->reserved, 0, sizeof(ycbcr->reserved));
MetaData_t *metadata = reinterpret_cast<MetaData_t *>(hnd->base_metadata);
// Check if UBWC buffer has been rendered in linear format.
if (metadata && (metadata->operation & LINEAR_FORMAT)) {
format = INT(metadata->linearFormat);
}
// Check metadata if the geometry has been updated.
if (metadata && metadata->operation & UPDATE_BUFFER_GEOMETRY) {
int usage = 0;
if (hnd->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED) {
usage = GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC;
}
BufferDescriptor descriptor =
BufferDescriptor(metadata->bufferDim.sliceWidth, metadata->bufferDim.sliceHeight, format,
prod_usage, cons_usage);
GetAlignedWidthAndHeight(descriptor, &width, &height);
}
// Get the chroma offsets from the handle width/height. We take advantage
// of the fact the width _is_ the stride
switch (format) {
// Semiplanar
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
// Same as YCbCr_420_SP_VENUS
GetYuvSPPlaneInfo(hnd->base, width, height, 1, ycbcr);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_P010:
GetYuvSPPlaneInfo(hnd->base, width, height, 2, ycbcr);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
GetYuvUbwcSPPlaneInfo(hnd->base, width, height, COLOR_FMT_NV12_UBWC, ycbcr);
ycbcr->chroma_step = 2;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:
GetYuvUbwcSPPlaneInfo(hnd->base, width, height, COLOR_FMT_NV12_BPP10_UBWC, ycbcr);
ycbcr->chroma_step = 3;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
case HAL_PIXEL_FORMAT_NV21_ZSL:
case HAL_PIXEL_FORMAT_RAW16:
case HAL_PIXEL_FORMAT_RAW10:
GetYuvSPPlaneInfo(hnd->base, width, height, 1, ycbcr);
std::swap(ycbcr->cb, ycbcr->cr);
break;
// Planar
case HAL_PIXEL_FORMAT_YV12:
ystride = width;
cstride = ALIGN(width / 2, 16);
ycbcr->y = reinterpret_cast<void *>(hnd->base);
ycbcr->cr = reinterpret_cast<void *>(hnd->base + ystride * height);
ycbcr->cb = reinterpret_cast<void *>(hnd->base + ystride * height + cstride * height / 2);
ycbcr->ystride = ystride;
ycbcr->cstride = cstride;
ycbcr->chroma_step = 1;
break;
// Unsupported formats
case HAL_PIXEL_FORMAT_YCbCr_422_I:
case HAL_PIXEL_FORMAT_YCrCb_422_I:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
default:
ALOGD("%s: Invalid format passed: 0x%x", __FUNCTION__, format);
err = -EINVAL;
}
return err;
}
int Allocator::GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage, int format) {
int gr_format = format;
// If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
// the usage bits, gralloc assigns a format.
if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC) {
gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER) {
gr_format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; // NV12
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_ZSL) {
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21 ZSL
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_CAMERA) {
gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; // NV21
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
} else {
gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; // NV12 preview
}
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
// XXX: If we still haven't set a format, default to RGBA8888
gr_format = HAL_PIXEL_FORMAT_RGBA_8888;
} else if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
// If no other usage flags are detected, default the
// flexible YUV format to NV21_ZSL
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL;
}
}
return gr_format;
}
// Explicitly defined UBWC formats
bool Allocator::IsUBwcFormat(int format) {
switch (format) {
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
return true;
default:
return false;
}
}
bool Allocator::IsUBwcSupported(int format) {
// Existing HAL formats with UBWC support
switch (format) {
case HAL_PIXEL_FORMAT_BGR_565:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
return true;
default:
break;
}
return false;
}
/* The default policy is to return cached buffers unless the client explicity
* sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
* read or written in software. */
// TODO(user) : As of now relying only on producer usage
bool Allocator::UseUncached(gralloc1_producer_usage_t usage) {
if ((usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
(usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
return true;
}
// CPU read rarely
if ((usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
!(usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
return true;
}
// CPU write rarely
if ((usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
!(usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
return true;
}
return false;
}
void Allocator::GetIonHeapInfo(gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage, unsigned int *ion_heap_id,
unsigned int *alloc_type, unsigned int *ion_flags) {
unsigned int heap_id = 0;
unsigned int type = 0;
int flags = 0;
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED) {
if (cons_usage & GRALLOC1_CONSUMER_USAGE_PRIVATE_SECURE_DISPLAY) {
heap_id = ION_HEAP(SD_HEAP_ID);
/*
* There is currently no flag in ION for Secure Display
* VM. Please add it to the define once available.
*/
flags |= ION_SD_FLAGS;
} else {
heap_id = ION_HEAP(CP_HEAP_ID);
flags |= ION_CP_FLAGS;
}
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_MM_HEAP) {
// MM Heap is exclusively a secure heap.
// If it is used for non secure cases, fallback to IOMMU heap
ALOGW("MM_HEAP cannot be used as an insecure heap. Using system heap instead!!");
heap_id |= ION_HEAP(ION_SYSTEM_HEAP_ID);
}
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_HEAP) {
heap_id |= ION_HEAP(ION_CAMERA_HEAP_ID);
}
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ADSP_HEAP) {
heap_id |= ION_HEAP(ION_ADSP_HEAP_ID);
}
if (flags & ION_SECURE) {
type |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
}
// if no ion heap flags are set, default to system heap
if (!heap_id) {
heap_id = ION_HEAP(ION_SYSTEM_HEAP_ID);
}
*alloc_type = type;
*ion_flags = (unsigned int)flags;
*ion_heap_id = heap_id;
return;
}
bool Allocator::IsUBwcEnabled(int format, gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage) {
// Allow UBWC, if client is using an explicitly defined UBWC pixel format.
if (IsUBwcFormat(format)) {
return true;
}
// Allow UBWC, if an OpenGL client sets UBWC usage flag and GPU plus MDP
// support the format. OR if a non-OpenGL client like Rotator, sets UBWC
// usage flag and MDP supports the format.
if ((prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC) && IsUBwcSupported(format)) {
bool enable = true;
// Query GPU for UBWC only if buffer is intended to be used by GPU.
if ((cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE) ||
(prod_usage & GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET)) {
enable = adreno_helper_->IsUBWCSupportedByGPU(format);
}
// Allow UBWC, only if CPU usage flags are not set
if (enable && !(CpuCanAccess(prod_usage, cons_usage))) {
return true;
}
}
return false;
}
void Allocator::GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w,
unsigned int *aligned_h) {
switch (format) {
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
*aligned_w = VENUS_Y_STRIDE(COLOR_FMT_NV12_UBWC, width);
*aligned_h = VENUS_Y_SCANLINES(COLOR_FMT_NV12_UBWC, height);
break;
default:
ALOGE("%s: Unsupported pixel format: 0x%x", __FUNCTION__, format);
*aligned_w = 0;
*aligned_h = 0;
break;
}
}
void Allocator::GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height) {
*block_width = 0;
*block_height = 0;
switch (bpp) {
case 2:
case 4:
*block_width = 16;
*block_height = 4;
break;
case 8:
*block_width = 8;
*block_height = 4;
break;
case 16:
*block_width = 4;
*block_height = 4;
break;
default:
ALOGE("%s: Unsupported bpp: %d", __FUNCTION__, bpp);
break;
}
}
unsigned int Allocator::GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp) {
unsigned int size = 0;
int meta_width, meta_height;
int block_width, block_height;
GetRgbUBwcBlockSize(bpp, &block_width, &block_height);
if (!block_width || !block_height) {
ALOGE("%s: Unsupported bpp: %d", __FUNCTION__, bpp);
return size;
}
// Align meta buffer height to 16 blocks
meta_height = ALIGN(((height + block_height - 1) / block_height), 16);
// Align meta buffer width to 64 blocks
meta_width = ALIGN(((width + block_width - 1) / block_width), 64);
// Align meta buffer size to 4K
size = (unsigned int)ALIGN((meta_width * meta_height), 4096);
return size;
}
unsigned int Allocator::GetUBwcSize(int width, int height, int format, unsigned int alignedw,
unsigned int alignedh) {
unsigned int size = 0;
uint32_t bpp = 0;
switch (format) {
case HAL_PIXEL_FORMAT_BGR_565:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGBA_1010102:
case HAL_PIXEL_FORMAT_RGBX_1010102:
bpp = GetBppForUncompressedRGB(format);
size = alignedw * alignedh * bpp;
size += GetRgbUBwcMetaBufferSize(width, height, bpp);
break;
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12_UBWC, width, height);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12_BPP10_UBWC, width, height);
break;
default:
ALOGE("%s: Unsupported pixel format: 0x%x", __FUNCTION__, format);
break;
}
return size;
}
int Allocator::GetRgbDataAddress(private_handle_t *hnd, void **rgb_data) {
int err = 0;
// This api is for RGB* formats
if (!gralloc1::IsUncompressedRGBFormat(hnd->format)) {
return -EINVAL;
}
// linear buffer, nothing to do further
if (!(hnd->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED)) {
*rgb_data = reinterpret_cast<void *>(hnd->base);
return err;
}
unsigned int meta_size = 0;
uint32_t bpp = GetBppForUncompressedRGB(hnd->format);
switch (hnd->format) {
case HAL_PIXEL_FORMAT_BGR_565:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
meta_size = GetRgbUBwcMetaBufferSize(hnd->width, hnd->height, bpp);
break;
default:
ALOGE("%s:Unsupported RGB format: 0x%x", __FUNCTION__, hnd->format);
err = -EINVAL;
break;
}
*rgb_data = reinterpret_cast<void *>(hnd->base + meta_size);
return err;
}
void Allocator::GetAlignedWidthAndHeight(const BufferDescriptor &descriptor, unsigned int *alignedw,
unsigned int *alignedh) {
int width = descriptor.GetWidth();
int height = descriptor.GetHeight();
int format = descriptor.GetFormat();
gralloc1_producer_usage_t prod_usage = descriptor.GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = descriptor.GetConsumerUsage();
// Currently surface padding is only computed for RGB* surfaces.
bool ubwc_enabled = IsUBwcEnabled(format, prod_usage, cons_usage);
int tile = ubwc_enabled || IsMacroTileEnabled(format, prod_usage, cons_usage);
if (IsUncompressedRGBFormat(format)) {
adreno_helper_->AlignUnCompressedRGB(width, height, format, tile, alignedw, alignedh);
return;
}
if (ubwc_enabled) {
GetYuvUBwcWidthAndHeight(width, height, format, alignedw, alignedh);
return;
}
if (IsCompressedRGBFormat(format)) {
adreno_helper_->AlignCompressedRGB(width, height, format, alignedw, alignedh);
return;
}
int aligned_w = width;
int aligned_h = height;
unsigned int alignment = 32;
// Below should be only YUV family
switch (format) {
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
alignment = adreno_helper_->GetGpuPixelAlignment();
aligned_w = ALIGN(width, alignment);
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
aligned_w = ALIGN(width, alignment);
break;
case HAL_PIXEL_FORMAT_RAW16:
aligned_w = ALIGN(width, 16);
break;
case HAL_PIXEL_FORMAT_RAW10:
aligned_w = ALIGN(width * 10 / 8, 16);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
aligned_w = ALIGN(width, 128);
break;
case HAL_PIXEL_FORMAT_YV12:
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_I:
case HAL_PIXEL_FORMAT_YCrCb_422_I:
aligned_w = ALIGN(width, 16);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
aligned_w = INT(VENUS_Y_STRIDE(COLOR_FMT_NV12, width));
aligned_h = INT(VENUS_Y_SCANLINES(COLOR_FMT_NV12, height));
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
aligned_w = INT(VENUS_Y_STRIDE(COLOR_FMT_NV21, width));
aligned_h = INT(VENUS_Y_SCANLINES(COLOR_FMT_NV21, height));
break;
case HAL_PIXEL_FORMAT_BLOB:
case HAL_PIXEL_FORMAT_RAW_OPAQUE:
break;
case HAL_PIXEL_FORMAT_NV21_ZSL:
aligned_w = ALIGN(width, 64);
aligned_h = ALIGN(height, 64);
break;
default:
break;
}
*alignedw = (unsigned int)aligned_w;
*alignedh = (unsigned int)aligned_h;
}
} // namespace gralloc1