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195 lines
6.9 KiB
195 lines
6.9 KiB
/*
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* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
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* Not a Contribution
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*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GR_PRIV_HANDLE_H__
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#define __GR_PRIV_HANDLE_H__
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#include <errno.h>
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#include <log/log.h>
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#include <hardware/gralloc1.h>
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#include <hardware/gralloc.h>
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#include <cinttypes>
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#define GRALLOC1_FUNCTION_PERFORM 0x00001000
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#define DBG_HANDLE false
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typedef gralloc1_error_t (*GRALLOC1_PFN_PERFORM)(gralloc1_device_t *device, int operation, ...);
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#define PRIV_HANDLE_CONST(exp) static_cast<const private_handle_t *>(exp)
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struct private_handle_t : public native_handle_t {
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enum {
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PRIV_FLAGS_FRAMEBUFFER = 0x00000001,
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PRIV_FLAGS_USES_ION = 0x00000008,
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PRIV_FLAGS_NEEDS_FLUSH = 0x00000020,
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PRIV_FLAGS_INTERNAL_ONLY = 0x00000040,
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PRIV_FLAGS_NON_CPU_WRITER = 0x00000080,
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PRIV_FLAGS_CACHED = 0x00000200,
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PRIV_FLAGS_SECURE_BUFFER = 0x00000400,
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PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000,
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PRIV_FLAGS_PROTECTED_BUFFER = 0x00004000,
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PRIV_FLAGS_VIDEO_ENCODER = 0x00010000,
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PRIV_FLAGS_CAMERA_WRITE = 0x00020000,
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PRIV_FLAGS_CAMERA_READ = 0x00040000,
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PRIV_FLAGS_HW_COMPOSER = 0x00080000,
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PRIV_FLAGS_HW_TEXTURE = 0x00100000,
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PRIV_FLAGS_ITU_R_601 = 0x00200000, // Unused from display
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PRIV_FLAGS_ITU_R_601_FR = 0x00400000, // Unused from display
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PRIV_FLAGS_ITU_R_709 = 0x00800000, // Unused from display
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PRIV_FLAGS_SECURE_DISPLAY = 0x01000000,
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PRIV_FLAGS_TILE_RENDERED = 0x02000000,
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PRIV_FLAGS_CPU_RENDERED = 0x04000000,
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PRIV_FLAGS_UBWC_ALIGNED = 0x08000000,
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PRIV_FLAGS_DISP_CONSUMER = 0x10000000,
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PRIV_FLAGS_CLIENT_ALLOCATED = 0x20000000, // Ion buffer allocated outside of gralloc
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};
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// file-descriptors dup'd over IPC
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int fd;
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int fd_metadata;
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// values sent over IPC
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int magic;
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int flags;
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int width; // holds width of the actual buffer allocated
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int height; // holds height of the actual buffer allocated
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int unaligned_width; // holds width client asked to allocate
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int unaligned_height; // holds height client asked to allocate
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int format;
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int buffer_type;
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unsigned int size;
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unsigned int offset;
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unsigned int offset_metadata;
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uint64_t base __attribute__((aligned(8)));
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uint64_t base_metadata __attribute__((aligned(8)));
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uint64_t gpuaddr __attribute__((aligned(8)));
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uint64_t id __attribute__((aligned(8)));
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gralloc1_producer_usage_t producer_usage __attribute__((aligned(8)));
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gralloc1_consumer_usage_t consumer_usage __attribute__((aligned(8)));
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unsigned int layer_count;
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static const int kNumFds = 2;
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static const int kMagic = 'gmsm';
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static inline int NumInts() {
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return ((sizeof(private_handle_t) - sizeof(native_handle_t)) / sizeof(int))
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- kNumFds;
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}
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private_handle_t(int fd,
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int meta_fd,
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int flags,
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int width,
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int height,
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int uw,
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int uh,
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int format,
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int buf_type,
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unsigned int size,
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gralloc1_producer_usage_t prod_usage = GRALLOC1_PRODUCER_USAGE_NONE,
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gralloc1_consumer_usage_t cons_usage = GRALLOC1_CONSUMER_USAGE_NONE)
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: fd(fd),
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fd_metadata(meta_fd),
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magic(kMagic),
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flags(flags),
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width(width),
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height(height),
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unaligned_width(uw),
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unaligned_height(uh),
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format(format),
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buffer_type(buf_type),
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size(size),
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offset(0),
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offset_metadata(0),
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base(0),
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base_metadata(0),
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gpuaddr(0),
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id(0),
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producer_usage(prod_usage),
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consumer_usage(cons_usage),
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layer_count(1) {
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version = static_cast<int>(sizeof(native_handle));
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numInts = NumInts();
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numFds = kNumFds;
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}
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// Legacy constructor used by some clients
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private_handle_t(int fd, unsigned int size, int usage, int buf_type, int format, int w, int h)
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: private_handle_t(fd, -1, PRIV_FLAGS_CLIENT_ALLOCATED, w, h, 0, 0, format, buf_type, size,
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static_cast<gralloc1_producer_usage_t>(usage),
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static_cast<gralloc1_consumer_usage_t>(usage)) {
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}
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~private_handle_t() {
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magic = 0;
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ALOGE_IF(DBG_HANDLE, "Deleting buffer handle %p", this);
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}
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static int validate(const native_handle *h) {
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const private_handle_t *hnd = (const private_handle_t *)h;
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if (!h || h->version != sizeof(native_handle) || h->numInts != NumInts() ||
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h->numFds != kNumFds || hnd->magic != kMagic) {
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ALOGE(
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"Invalid gralloc handle (at %p): ver(%d/%zu) ints(%d/%d) fds(%d/%d) "
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"magic(%c%c%c%c/%c%c%c%c)",
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h, h ? h->version : -1, sizeof(native_handle), h ? h->numInts : -1, NumInts(),
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h ? h->numFds : -1, kNumFds,
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hnd ? (((hnd->magic >> 24) & 0xFF) ? ((hnd->magic >> 24) & 0xFF) : '-') : '?',
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hnd ? (((hnd->magic >> 16) & 0xFF) ? ((hnd->magic >> 16) & 0xFF) : '-') : '?',
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hnd ? (((hnd->magic >> 8) & 0xFF) ? ((hnd->magic >> 8) & 0xFF) : '-') : '?',
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hnd ? (((hnd->magic >> 0) & 0xFF) ? ((hnd->magic >> 0) & 0xFF) : '-') : '?',
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(kMagic >> 24) & 0xFF, (kMagic >> 16) & 0xFF, (kMagic >> 8) & 0xFF, (kMagic >> 0) & 0xFF);
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return -EINVAL;
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}
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return 0;
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}
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static void Dump(const private_handle_t *hnd) {
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ALOGD("handle id:%" PRIu64 " wxh:%dx%d uwxuh:%dx%d size: %d fd:%d fd_meta:%d flags:0x%x "
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"prod_usage:0x%" PRIx64" cons_usage:0x%" PRIx64 " format:0x%x layer_count: %d",
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hnd->id, hnd->width, hnd->height, hnd->unaligned_width, hnd->unaligned_height, hnd->size,
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hnd->fd, hnd->fd_metadata, hnd->flags, hnd->producer_usage, hnd->consumer_usage,
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hnd->format, hnd->layer_count);
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}
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int GetUnalignedWidth() const { return unaligned_width; }
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int GetUnalignedHeight() const { return unaligned_height; }
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int GetColorFormat() const { return format; }
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unsigned int GetLayerCount() const { return layer_count; }
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int GetStride() const {
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// In handle we currently store aligned width after allocation.
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return width;
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}
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gralloc1_consumer_usage_t GetConsumerUsage() const { return consumer_usage; }
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gralloc1_producer_usage_t GetProducerUsage() const { return producer_usage; }
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uint64_t GetBackingstore() const { return id; }
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};
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#endif // __GR_PRIV_HANDLE_H__
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