rsovAllocation.cpp revision 75f0d3110b04346b901771f96ce15cdbe907278f 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "rsovAllocation.h"
18
19#include <map>
20
21#include "rsAllocation.h"
22#include "rsContext.h"
23#include "rsCppUtils.h"
24#include "rsElement.h"
25#include "rsType.h"
26#include "rsovContext.h"
27#include "rsovCore.h"
28
29namespace android {
30namespace renderscript {
31namespace rsov {
32
33namespace {
34
35using std::make_pair;
36
37// TODO: handle 8-bit, 16-bit, and 64-bit integers and floating point numbers
38const std::map<std::pair<RsDataType, uint32_t>, VkFormat> mapElementToFormat{
39    make_pair(make_pair(RS_TYPE_FLOAT_32, 1), VK_FORMAT_R32_SFLOAT),
40    make_pair(make_pair(RS_TYPE_FLOAT_32, 2), VK_FORMAT_R32G32_SFLOAT),
41    make_pair(make_pair(RS_TYPE_FLOAT_32, 3), VK_FORMAT_R32G32B32_SFLOAT),
42    make_pair(make_pair(RS_TYPE_FLOAT_32, 4), VK_FORMAT_R32G32B32A32_SFLOAT),
43
44    make_pair(make_pair(RS_TYPE_SIGNED_32, 1), VK_FORMAT_R32_SINT),
45    make_pair(make_pair(RS_TYPE_SIGNED_32, 2), VK_FORMAT_R32G32_SINT),
46    make_pair(make_pair(RS_TYPE_SIGNED_32, 3), VK_FORMAT_R32G32B32_SINT),
47    make_pair(make_pair(RS_TYPE_SIGNED_32, 4), VK_FORMAT_R32G32B32A32_SINT),
48
49    make_pair(make_pair(RS_TYPE_UNSIGNED_32, 1), VK_FORMAT_R32_UINT),
50    make_pair(make_pair(RS_TYPE_UNSIGNED_32, 2), VK_FORMAT_R32G32_UINT),
51    make_pair(make_pair(RS_TYPE_UNSIGNED_32, 3), VK_FORMAT_R32G32B32_UINT),
52    make_pair(make_pair(RS_TYPE_UNSIGNED_32, 4), VK_FORMAT_R32G32B32A32_UINT),
53};
54
55VkFormat VkFormatFromRSElement(const Element &elem) {
56  // TODO: reject struct, allocation, and other non-numeric element
57  rsAssert(!elem.getFieldCount());
58
59  RsDataType dataType = elem.getType();
60  uint32_t vectorWidth = elem.getVectorSize();
61
62  auto it = mapElementToFormat.find(make_pair(dataType, vectorWidth));
63  if (it != mapElementToFormat.end()) {
64    return it->second;
65  }
66
67  rsAssert(0 && "Unexpected RS Element to map to VkFormat");
68
69  return VK_FORMAT_R32G32B32A32_SFLOAT;
70}
71
72size_t DeriveYUVLayout(int yuv, Allocation::Hal::DrvState *state) {
73  // For the flexible YCbCr format, layout is initialized during call to
74  // Allocation::ioReceive.  Return early and avoid clobberring any
75  // pre-existing layout.
76  if (yuv == HAL_PIXEL_FORMAT_YCbCr_420_888) {
77    return 0;
78  }
79
80  // YUV only supports basic 2d
81  // so we can stash the plane pointers in the mipmap levels.
82  size_t uvSize = 0;
83  state->lod[1].dimX = state->lod[0].dimX / 2;
84  state->lod[1].dimY = state->lod[0].dimY / 2;
85  state->lod[2].dimX = state->lod[0].dimX / 2;
86  state->lod[2].dimY = state->lod[0].dimY / 2;
87  state->yuv.shift = 1;
88  state->yuv.step = 1;
89  state->lodCount = 3;
90
91  switch (yuv) {
92    case HAL_PIXEL_FORMAT_YV12:
93      state->lod[2].stride = rsRound(state->lod[0].stride >> 1, 16);
94      state->lod[2].mallocPtr = ((uint8_t *)state->lod[0].mallocPtr) +
95                                (state->lod[0].stride * state->lod[0].dimY);
96      uvSize += state->lod[2].stride * state->lod[2].dimY;
97
98      state->lod[1].stride = state->lod[2].stride;
99      state->lod[1].mallocPtr = ((uint8_t *)state->lod[2].mallocPtr) +
100                                (state->lod[2].stride * state->lod[2].dimY);
101      uvSize += state->lod[1].stride * state->lod[2].dimY;
102      break;
103    case HAL_PIXEL_FORMAT_YCrCb_420_SP:  // NV21
104      // state->lod[1].dimX = state->lod[0].dimX;
105      state->lod[1].stride = state->lod[0].stride;
106      state->lod[2].stride = state->lod[0].stride;
107      state->lod[2].mallocPtr = ((uint8_t *)state->lod[0].mallocPtr) +
108                                (state->lod[0].stride * state->lod[0].dimY);
109      state->lod[1].mallocPtr = ((uint8_t *)state->lod[2].mallocPtr) + 1;
110      uvSize += state->lod[1].stride * state->lod[1].dimY;
111      state->yuv.step = 2;
112      break;
113    default:
114      rsAssert(0);
115  }
116
117  return uvSize;
118}
119
120// TODO: Dedup this with the same code under frameworks/rs/driver
121size_t AllocationBuildPointerTable(const Context *rsc, const Allocation *alloc,
122                                   const Type *type, uint8_t *ptr,
123                                   size_t requiredAlignment) {
124  alloc->mHal.drvState.lod[0].dimX = type->getDimX();
125  alloc->mHal.drvState.lod[0].dimY = type->getDimY();
126  alloc->mHal.drvState.lod[0].dimZ = type->getDimZ();
127  alloc->mHal.drvState.lod[0].mallocPtr = 0;
128  // Stride needs to be aligned to a boundary defined by requiredAlignment!
129  size_t stride =
130      alloc->mHal.drvState.lod[0].dimX * type->getElementSizeBytes();
131  alloc->mHal.drvState.lod[0].stride = rsRound(stride, requiredAlignment);
132  alloc->mHal.drvState.lodCount = type->getLODCount();
133  alloc->mHal.drvState.faceCount = type->getDimFaces();
134
135  size_t offsets[Allocation::MAX_LOD];
136  memset(offsets, 0, sizeof(offsets));
137
138  size_t o = alloc->mHal.drvState.lod[0].stride *
139             rsMax(alloc->mHal.drvState.lod[0].dimY, 1u) *
140             rsMax(alloc->mHal.drvState.lod[0].dimZ, 1u);
141  if (alloc->mHal.state.yuv) {
142    o += DeriveYUVLayout(alloc->mHal.state.yuv, &alloc->mHal.drvState);
143
144    for (uint32_t ct = 1; ct < alloc->mHal.drvState.lodCount; ct++) {
145      offsets[ct] = (size_t)alloc->mHal.drvState.lod[ct].mallocPtr;
146    }
147  } else if (alloc->mHal.drvState.lodCount > 1) {
148    uint32_t tx = alloc->mHal.drvState.lod[0].dimX;
149    uint32_t ty = alloc->mHal.drvState.lod[0].dimY;
150    uint32_t tz = alloc->mHal.drvState.lod[0].dimZ;
151    for (uint32_t lod = 1; lod < alloc->mHal.drvState.lodCount; lod++) {
152      alloc->mHal.drvState.lod[lod].dimX = tx;
153      alloc->mHal.drvState.lod[lod].dimY = ty;
154      alloc->mHal.drvState.lod[lod].dimZ = tz;
155      alloc->mHal.drvState.lod[lod].stride =
156          rsRound(tx * type->getElementSizeBytes(), requiredAlignment);
157      offsets[lod] = o;
158      o += alloc->mHal.drvState.lod[lod].stride * rsMax(ty, 1u) * rsMax(tz, 1u);
159      if (tx > 1) tx >>= 1;
160      if (ty > 1) ty >>= 1;
161      if (tz > 1) tz >>= 1;
162    }
163  }
164
165  alloc->mHal.drvState.faceOffset = o;
166
167  alloc->mHal.drvState.lod[0].mallocPtr = ptr;
168  for (uint32_t lod = 1; lod < alloc->mHal.drvState.lodCount; lod++) {
169    alloc->mHal.drvState.lod[lod].mallocPtr = ptr + offsets[lod];
170  }
171
172  size_t allocSize = alloc->mHal.drvState.faceOffset;
173  if (alloc->mHal.drvState.faceCount) {
174    allocSize *= 6;
175  }
176
177  return allocSize;
178}
179
180size_t AllocationBuildPointerTable(const Context *rsc, const Allocation *alloc,
181                                   const Type *type, uint8_t *ptr) {
182  return AllocationBuildPointerTable(rsc, alloc, type, ptr,
183                                     Allocation::kMinimumRSAlignment);
184}
185
186uint8_t *GetOffsetPtr(const Allocation *alloc, uint32_t xoff, uint32_t yoff,
187                      uint32_t zoff, uint32_t lod,
188                      RsAllocationCubemapFace face) {
189  uint8_t *ptr = (uint8_t *)alloc->mHal.drvState.lod[lod].mallocPtr;
190  ptr += face * alloc->mHal.drvState.faceOffset;
191  ptr += zoff * alloc->mHal.drvState.lod[lod].dimY *
192         alloc->mHal.drvState.lod[lod].stride;
193  ptr += yoff * alloc->mHal.drvState.lod[lod].stride;
194  ptr += xoff * alloc->mHal.state.elementSizeBytes;
195  return ptr;
196}
197
198void mip565(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
199  uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
200  uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
201
202  for (uint32_t y = 0; y < h; y++) {
203    uint16_t *oPtr = (uint16_t *)GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
204    const uint16_t *i1 =
205        (uint16_t *)GetOffsetPtr(alloc, 0, 0, y * 2, lod, face);
206    const uint16_t *i2 =
207        (uint16_t *)GetOffsetPtr(alloc, 0, 0, y * 2 + 1, lod, face);
208
209    for (uint32_t x = 0; x < w; x++) {
210      *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
211      oPtr++;
212      i1 += 2;
213      i2 += 2;
214    }
215  }
216}
217
218void mip8888(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
219  uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
220  uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
221
222  for (uint32_t y = 0; y < h; y++) {
223    uint32_t *oPtr = (uint32_t *)GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
224    const uint32_t *i1 =
225        (uint32_t *)GetOffsetPtr(alloc, 0, y * 2, 0, lod, face);
226    const uint32_t *i2 =
227        (uint32_t *)GetOffsetPtr(alloc, 0, y * 2 + 1, 0, lod, face);
228
229    for (uint32_t x = 0; x < w; x++) {
230      *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
231      oPtr++;
232      i1 += 2;
233      i2 += 2;
234    }
235  }
236}
237
238void mip8(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
239  uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
240  uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
241
242  for (uint32_t y = 0; y < h; y++) {
243    uint8_t *oPtr = GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
244    const uint8_t *i1 = GetOffsetPtr(alloc, 0, y * 2, 0, lod, face);
245    const uint8_t *i2 = GetOffsetPtr(alloc, 0, y * 2 + 1, 0, lod, face);
246
247    for (uint32_t x = 0; x < w; x++) {
248      *oPtr = (uint8_t)(((uint32_t)i1[0] + i1[1] + i2[0] + i2[1]) * 0.25f);
249      oPtr++;
250      i1 += 2;
251      i2 += 2;
252    }
253  }
254}
255
256}  // anonymous namespace
257
258RSoVAllocation::RSoVAllocation(RSoVContext *context, const Type *type)
259    : mRSoV(context),
260      mDevice(context->getDevice()),
261      mType(type),
262      mWidth(type->getDimX()),
263      mHeight(type->getDimY()),
264      mDepth(type->getDimZ()) {
265  InitImage();
266}
267
268RSoVAllocation::~RSoVAllocation() {
269  vkDestroyImageView(mDevice, mImageView, nullptr);
270  vkDestroyImage(mDevice, mImage, nullptr);
271  vkFreeMemory(mDevice, mMem, nullptr);
272}
273
274void RSoVAllocation::InitImage() {
275  VkResult res;
276
277  mFormat = VkFormatFromRSElement(*mType->getElement());
278
279  const uint32_t width = mWidth;
280  const uint32_t height = mHeight;
281  const uint32_t depth = mDepth;
282
283  VkImageType imageType =
284      depth > 0 ? VK_IMAGE_TYPE_3D
285                : (height > 0 ? VK_IMAGE_TYPE_2D : VK_IMAGE_TYPE_1D);
286
287  VkImageCreateInfo createInfo = {
288      .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
289      .pNext = nullptr,
290      .flags = 0,
291      .imageType = imageType,
292      .format = mFormat,
293      .extent = {width, rsMax(height, 1U), rsMax(depth, 1U)},
294      .mipLevels = 1,
295      .arrayLayers = 1,
296      .samples = VK_SAMPLE_COUNT_1_BIT,
297      .tiling = VK_IMAGE_TILING_LINEAR,
298      .usage = VK_IMAGE_USAGE_STORAGE_BIT,
299      .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
300      .queueFamilyIndexCount = 0,
301      .pQueueFamilyIndices = nullptr,
302      .initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED,
303  };
304
305  res = vkCreateImage(mDevice, &createInfo, nullptr, &mImage);
306  rsAssert(res == VK_SUCCESS);
307
308  VkMemoryRequirements mem_reqs;
309  vkGetImageMemoryRequirements(mDevice, mImage, &mem_reqs);
310
311  ALOGI("size of memory needed = %u", (uint)mem_reqs.size);
312
313  VkMemoryAllocateInfo allocateInfo = {
314      .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
315      .pNext = nullptr,
316      .allocationSize = mem_reqs.size,
317  };
318
319  /* Use the memory properties to determine the type of memory required */
320  bool pass;
321  pass = mRSoV->MemoryTypeFromProperties(
322      mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
323                                   VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
324      &allocateInfo.memoryTypeIndex);
325  ALOGI("TypeBits = 0x%08X", mem_reqs.memoryTypeBits);
326  rsAssert(pass);
327
328  // TODO: Make this aligned
329  res = vkAllocateMemory(mDevice, &allocateInfo, nullptr, &mMem);
330  rsAssert(res == VK_SUCCESS);
331
332  res = vkBindImageMemory(mDevice, mImage, mMem, 0);
333  rsAssert(res == VK_SUCCESS);
334
335  VkImageViewType viewType =
336      depth > 0 ? VK_IMAGE_VIEW_TYPE_3D
337                : (height > 0 ? VK_IMAGE_VIEW_TYPE_2D : VK_IMAGE_VIEW_TYPE_1D);
338
339  VkImageViewCreateInfo view_info = {
340      .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
341      .pNext = nullptr,
342      .image = mImage,
343      .viewType = viewType,
344      .format = mFormat,
345      .components =
346          {
347              .r = VK_COMPONENT_SWIZZLE_IDENTITY,
348              .g = VK_COMPONENT_SWIZZLE_IDENTITY,
349              .b = VK_COMPONENT_SWIZZLE_IDENTITY,
350              .a = VK_COMPONENT_SWIZZLE_IDENTITY,
351          },
352      .subresourceRange =
353          {
354              .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
355              .baseMipLevel = 0,
356              .levelCount = 1,
357              .baseArrayLayer = 0,
358              .layerCount = 1,
359          },
360  };
361
362  res = vkCreateImageView(mDevice, &view_info, nullptr, &mImageView);
363  rsAssert(res == VK_SUCCESS);
364
365  mImageLayout = VK_IMAGE_LAYOUT_GENERAL;
366
367  mImageInfo = {
368      .imageView = mImageView, .imageLayout = mImageLayout,
369  };
370
371  res = vkMapMemory(mDevice, mMem, 0, mem_reqs.size, 0, (void **)&mPtr);
372  rsAssert(res == VK_SUCCESS);
373}
374
375}  // namespace rsov
376}  // namespace renderscript
377}  // namespace android
378
379using android::renderscript::Allocation;
380using android::renderscript::Context;
381using android::renderscript::Element;
382using android::renderscript::Type;
383using android::renderscript::rs_allocation;
384using android::renderscript::rsMax;
385using namespace android::renderscript::rsov;
386
387bool rsovAllocationInit(const Context *rsc, Allocation *alloc, bool forceZero) {
388  RSoVHal *hal = static_cast<RSoVHal *>(rsc->mHal.drv);
389  RSoVContext *rsov = hal->mRSoV;
390  const Type *type = alloc->getType();
391
392  RSoVAllocation *rsovAlloc = new RSoVAllocation(rsov, type);
393  alloc->mHal.drv = rsovAlloc;
394  AllocationBuildPointerTable(rsc, alloc, type,
395                              (uint8_t *)rsovAlloc->getHostPtr());
396  return true;
397}
398
399void rsovAllocationDestroy(const Context *rsc, Allocation *alloc) {
400  RSoVAllocation *rsovAlloc = static_cast<RSoVAllocation *>(alloc->mHal.drv);
401  delete rsovAlloc;
402  alloc->mHal.drv = nullptr;
403}
404
405void rsovAllocationData1D(const Context *rsc, const Allocation *alloc,
406                          uint32_t xoff, uint32_t lod, size_t count,
407                          const void *data, size_t sizeBytes) {
408  const size_t eSize = alloc->mHal.state.type->getElementSizeBytes();
409  uint8_t *ptr =
410      GetOffsetPtr(alloc, xoff, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
411  size_t size = count * eSize;
412  if (ptr != data) {
413    // Skip the copy if we are the same allocation. This can arise from
414    // our Bitmap optimization, where we share the same storage.
415    if (alloc->mHal.state.hasReferences) {
416      alloc->incRefs(data, count);
417      alloc->decRefs(ptr, count);
418    }
419    memcpy(ptr, data, size);
420  }
421}
422
423void rsovAllocationData2D(const Context *rsc, const Allocation *alloc,
424                          uint32_t xoff, uint32_t yoff, uint32_t lod,
425                          RsAllocationCubemapFace face, uint32_t w, uint32_t h,
426                          const void *data, size_t sizeBytes, size_t stride) {
427  size_t eSize = alloc->mHal.state.elementSizeBytes;
428  size_t lineSize = eSize * w;
429  if (!stride) {
430    stride = lineSize;
431  }
432
433  if (alloc->mHal.drvState.lod[0].mallocPtr) {
434    const uint8_t *src = static_cast<const uint8_t *>(data);
435    uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
436
437    for (uint32_t line = yoff; line < (yoff + h); line++) {
438      if (alloc->mHal.state.hasReferences) {
439        alloc->incRefs(src, w);
440        alloc->decRefs(dst, w);
441      }
442      memcpy(dst, src, lineSize);
443      src += stride;
444      dst += alloc->mHal.drvState.lod[lod].stride;
445    }
446    // TODO: handle YUV Allocations
447    if (alloc->mHal.state.yuv) {
448      size_t clineSize = lineSize;
449      int lod = 1;
450      int maxLod = 2;
451      if (alloc->mHal.state.yuv == HAL_PIXEL_FORMAT_YV12) {
452        maxLod = 3;
453        clineSize >>= 1;
454      } else if (alloc->mHal.state.yuv == HAL_PIXEL_FORMAT_YCrCb_420_SP) {
455        lod = 2;
456        maxLod = 3;
457      }
458
459      while (lod < maxLod) {
460        uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
461
462        for (uint32_t line = (yoff >> 1); line < ((yoff + h) >> 1); line++) {
463          memcpy(dst, src, clineSize);
464          // When copying from an array to an Allocation, the src pointer
465          // to the array should just move by the number of bytes copied.
466          src += clineSize;
467          dst += alloc->mHal.drvState.lod[lod].stride;
468        }
469        lod++;
470      }
471    }
472  }
473}
474
475void rsovAllocationData3D(const Context *rsc, const Allocation *alloc,
476                          uint32_t xoff, uint32_t yoff, uint32_t zoff,
477                          uint32_t lod, uint32_t w, uint32_t h, uint32_t d,
478                          const void *data, size_t sizeBytes, size_t stride) {
479  uint32_t eSize = alloc->mHal.state.elementSizeBytes;
480  uint32_t lineSize = eSize * w;
481  if (!stride) {
482    stride = lineSize;
483  }
484
485  if (alloc->mHal.drvState.lod[0].mallocPtr) {
486    const uint8_t *src = static_cast<const uint8_t *>(data);
487    for (uint32_t z = zoff; z < (d + zoff); z++) {
488      uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, z, lod,
489                                  RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
490      for (uint32_t line = yoff; line < (yoff + h); line++) {
491        if (alloc->mHal.state.hasReferences) {
492          alloc->incRefs(src, w);
493          alloc->decRefs(dst, w);
494        }
495        memcpy(dst, src, lineSize);
496        src += stride;
497        dst += alloc->mHal.drvState.lod[lod].stride;
498      }
499    }
500  }
501}
502
503void rsovAllocationRead1D(const Context *rsc, const Allocation *alloc,
504                          uint32_t xoff, uint32_t lod, size_t count, void *data,
505                          size_t sizeBytes) {
506  const size_t eSize = alloc->mHal.state.type->getElementSizeBytes();
507  const uint8_t *ptr =
508      GetOffsetPtr(alloc, xoff, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
509  if (data != ptr) {
510    // Skip the copy if we are the same allocation. This can arise from
511    // our Bitmap optimization, where we share the same storage.
512    memcpy(data, ptr, count * eSize);
513  }
514}
515
516void rsovAllocationRead2D(const Context *rsc, const Allocation *alloc,
517                          uint32_t xoff, uint32_t yoff, uint32_t lod,
518                          RsAllocationCubemapFace face, uint32_t w, uint32_t h,
519                          void *data, size_t sizeBytes, size_t stride) {
520  size_t eSize = alloc->mHal.state.elementSizeBytes;
521  size_t lineSize = eSize * w;
522  if (!stride) {
523    stride = lineSize;
524  }
525
526  if (alloc->mHal.drvState.lod[0].mallocPtr) {
527    uint8_t *dst = static_cast<uint8_t *>(data);
528    const uint8_t *src = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
529    if (dst == src) {
530      // Skip the copy if we are the same allocation. This can arise from
531      // our Bitmap optimization, where we share the same storage.
532      return;
533    }
534
535    for (uint32_t line = yoff; line < (yoff + h); line++) {
536      memcpy(dst, src, lineSize);
537      dst += stride;
538      src += alloc->mHal.drvState.lod[lod].stride;
539    }
540  } else {
541    ALOGE("Add code to readback from non-script memory");
542  }
543}
544
545void rsovAllocationRead3D(const Context *rsc, const Allocation *alloc,
546                          uint32_t xoff, uint32_t yoff, uint32_t zoff,
547                          uint32_t lod, uint32_t w, uint32_t h, uint32_t d,
548                          void *data, size_t sizeBytes, size_t stride) {
549  uint32_t eSize = alloc->mHal.state.elementSizeBytes;
550  uint32_t lineSize = eSize * w;
551  if (!stride) {
552    stride = lineSize;
553  }
554
555  if (alloc->mHal.drvState.lod[0].mallocPtr) {
556    uint8_t *dst = static_cast<uint8_t *>(data);
557    for (uint32_t z = zoff; z < (d + zoff); z++) {
558      const uint8_t *src = GetOffsetPtr(alloc, xoff, yoff, z, lod,
559                                        RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
560      if (dst == src) {
561        // Skip the copy if we are the same allocation. This can arise from
562        // our Bitmap optimization, where we share the same storage.
563        return;
564      }
565
566      for (uint32_t line = yoff; line < (yoff + h); line++) {
567        memcpy(dst, src, lineSize);
568        dst += stride;
569        src += alloc->mHal.drvState.lod[lod].stride;
570      }
571    }
572  }
573}
574
575void *rsovAllocationLock1D(const Context *rsc, const Allocation *alloc) {
576  return alloc->mHal.drvState.lod[0].mallocPtr;
577}
578
579void rsovAllocationUnlock1D(const Context *rsc, const Allocation *alloc) {}
580
581void rsovAllocationData1D_alloc(const Context *rsc, const Allocation *dstAlloc,
582                                uint32_t dstXoff, uint32_t dstLod, size_t count,
583                                const Allocation *srcAlloc, uint32_t srcXoff,
584                                uint32_t srcLod) {}
585
586void rsovAllocationData2D_alloc_script(
587    const Context *rsc, const Allocation *dstAlloc, uint32_t dstXoff,
588    uint32_t dstYoff, uint32_t dstLod, RsAllocationCubemapFace dstFace,
589    uint32_t w, uint32_t h, const Allocation *srcAlloc, uint32_t srcXoff,
590    uint32_t srcYoff, uint32_t srcLod, RsAllocationCubemapFace srcFace) {
591  size_t elementSize = dstAlloc->getType()->getElementSizeBytes();
592  for (uint32_t i = 0; i < h; i++) {
593    uint8_t *dstPtr =
594        GetOffsetPtr(dstAlloc, dstXoff, dstYoff + i, 0, dstLod, dstFace);
595    uint8_t *srcPtr =
596        GetOffsetPtr(srcAlloc, srcXoff, srcYoff + i, 0, srcLod, srcFace);
597    memcpy(dstPtr, srcPtr, w * elementSize);
598  }
599}
600
601void rsovAllocationData3D_alloc_script(
602    const Context *rsc, const Allocation *dstAlloc, uint32_t dstXoff,
603    uint32_t dstYoff, uint32_t dstZoff, uint32_t dstLod, uint32_t w, uint32_t h,
604    uint32_t d, const Allocation *srcAlloc, uint32_t srcXoff, uint32_t srcYoff,
605    uint32_t srcZoff, uint32_t srcLod) {
606  uint32_t elementSize = dstAlloc->getType()->getElementSizeBytes();
607  for (uint32_t j = 0; j < d; j++) {
608    for (uint32_t i = 0; i < h; i++) {
609      uint8_t *dstPtr =
610          GetOffsetPtr(dstAlloc, dstXoff, dstYoff + i, dstZoff + j, dstLod,
611                       RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
612      uint8_t *srcPtr =
613          GetOffsetPtr(srcAlloc, srcXoff, srcYoff + i, srcZoff + j, srcLod,
614                       RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
615      memcpy(dstPtr, srcPtr, w * elementSize);
616    }
617  }
618}
619
620void rsovAllocationData2D_alloc(
621    const Context *rsc, const Allocation *dstAlloc, uint32_t dstXoff,
622    uint32_t dstYoff, uint32_t dstLod, RsAllocationCubemapFace dstFace,
623    uint32_t w, uint32_t h, const Allocation *srcAlloc, uint32_t srcXoff,
624    uint32_t srcYoff, uint32_t srcLod, RsAllocationCubemapFace srcFace) {
625  if (!dstAlloc->getIsScript() && !srcAlloc->getIsScript()) {
626    rsc->setError(RS_ERROR_FATAL_DRIVER,
627                  "Non-script allocation copies not "
628                  "yet implemented.");
629    return;
630  }
631  rsovAllocationData2D_alloc_script(rsc, dstAlloc, dstXoff, dstYoff, dstLod,
632                                    dstFace, w, h, srcAlloc, srcXoff, srcYoff,
633                                    srcLod, srcFace);
634}
635
636void rsovAllocationData3D_alloc(const Context *rsc, const Allocation *dstAlloc,
637                                uint32_t dstXoff, uint32_t dstYoff,
638                                uint32_t dstZoff, uint32_t dstLod, uint32_t w,
639                                uint32_t h, uint32_t d,
640                                const Allocation *srcAlloc, uint32_t srcXoff,
641                                uint32_t srcYoff, uint32_t srcZoff,
642                                uint32_t srcLod) {
643  if (!dstAlloc->getIsScript() && !srcAlloc->getIsScript()) {
644    rsc->setError(RS_ERROR_FATAL_DRIVER,
645                  "Non-script allocation copies not "
646                  "yet implemented.");
647    return;
648  }
649  rsovAllocationData3D_alloc_script(rsc, dstAlloc, dstXoff, dstYoff, dstZoff,
650                                    dstLod, w, h, d, srcAlloc, srcXoff, srcYoff,
651                                    srcZoff, srcLod);
652}
653
654void rsovAllocationAdapterOffset(const Context *rsc, const Allocation *alloc) {
655  // Get a base pointer to the new LOD
656  const Allocation *base = alloc->mHal.state.baseAlloc;
657  const Type *type = alloc->mHal.state.type;
658  if (base == nullptr) {
659    return;
660  }
661
662  const int lodBias = alloc->mHal.state.originLOD;
663  uint32_t lodCount = rsMax(alloc->mHal.drvState.lodCount, (uint32_t)1);
664  for (uint32_t lod = 0; lod < lodCount; lod++) {
665    alloc->mHal.drvState.lod[lod] = base->mHal.drvState.lod[lod + lodBias];
666    alloc->mHal.drvState.lod[lod].mallocPtr = GetOffsetPtr(
667        alloc, alloc->mHal.state.originX, alloc->mHal.state.originY,
668        alloc->mHal.state.originZ, lodBias,
669        (RsAllocationCubemapFace)alloc->mHal.state.originFace);
670  }
671}
672
673bool rsovAllocationAdapterInit(const Context *rsc, Allocation *alloc) {
674// TODO: may need a RSoV Allocation here
675#if 0
676    DrvAllocation *drv = (DrvAllocation *)calloc(1, sizeof(DrvAllocation));
677    if (!drv) {
678        return false;
679    }
680    alloc->mHal.drv = drv;
681#endif
682  // We need to build an allocation that looks like a subset of the parent
683  // allocation
684  rsovAllocationAdapterOffset(rsc, alloc);
685
686  return true;
687}
688
689void rsovAllocationSyncAll(const Context *rsc, const Allocation *alloc,
690                           RsAllocationUsageType src) {
691  // TODO: anything to do here?
692}
693
694void rsovAllocationMarkDirty(const Context *rsc, const Allocation *alloc) {
695  // TODO: anything to do here?
696}
697
698void rsovAllocationResize(const Context *rsc, const Allocation *alloc,
699                          const Type *newType, bool zeroNew) {
700  // TODO: implement this
701  // can this be done without copying, if the new size is greater than the
702  // original?
703}
704
705void rsovAllocationGenerateMipmaps(const Context *rsc,
706                                   const Allocation *alloc) {
707  if (!alloc->mHal.drvState.lod[0].mallocPtr) {
708    return;
709  }
710  uint32_t numFaces = alloc->getType()->getDimFaces() ? 6 : 1;
711  for (uint32_t face = 0; face < numFaces; face++) {
712    for (uint32_t lod = 0; lod < (alloc->getType()->getLODCount() - 1); lod++) {
713      switch (alloc->getType()->getElement()->getSizeBits()) {
714        case 32:
715          mip8888(alloc, lod, (RsAllocationCubemapFace)face);
716          break;
717        case 16:
718          mip565(alloc, lod, (RsAllocationCubemapFace)face);
719          break;
720        case 8:
721          mip8(alloc, lod, (RsAllocationCubemapFace)face);
722          break;
723      }
724    }
725  }
726}
727
728uint32_t rsovAllocationGrallocBits(const Context *rsc, Allocation *alloc) {
729  return 0;
730}
731
732void rsovAllocationUpdateCachedObject(const Context *rsc,
733                                      const Allocation *alloc,
734                                      rs_allocation *obj) {
735  obj->p = alloc;
736#ifdef __LP64__
737  if (alloc != nullptr) {
738    obj->r = alloc->mHal.drvState.lod[0].mallocPtr;
739    obj->v1 = alloc->mHal.drv;
740    obj->v2 = (void *)alloc->mHal.drvState.lod[0].stride;
741  } else {
742    obj->r = nullptr;
743    obj->v1 = nullptr;
744    obj->v2 = nullptr;
745  }
746#endif
747}
748
749void rsovAllocationSetSurface(const Context *rsc, Allocation *alloc,
750                              ANativeWindow *nw) {
751  // TODO: implement this
752}
753
754void rsovAllocationIoSend(const Context *rsc, Allocation *alloc) {
755  // TODO: implement this
756}
757
758void rsovAllocationIoReceive(const Context *rsc, Allocation *alloc) {
759  // TODO: implement this
760}
761
762void rsovAllocationElementData(const Context *rsc, const Allocation *alloc,
763                               uint32_t x, uint32_t y, uint32_t z,
764                               const void *data, uint32_t cIdx,
765                               size_t sizeBytes) {
766  uint8_t *ptr =
767      GetOffsetPtr(alloc, x, y, z, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
768
769  const Element *e = alloc->mHal.state.type->getElement()->getField(cIdx);
770  ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
771
772  if (alloc->mHal.state.hasReferences) {
773    e->incRefs(data);
774    e->decRefs(ptr);
775  }
776
777  memcpy(ptr, data, sizeBytes);
778}
779
780void rsovAllocationElementRead(const Context *rsc, const Allocation *alloc,
781                               uint32_t x, uint32_t y, uint32_t z, void *data,
782                               uint32_t cIdx, size_t sizeBytes) {
783  uint8_t *ptr =
784      GetOffsetPtr(alloc, x, y, z, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
785
786  const Element *e = alloc->mHal.state.type->getElement()->getField(cIdx);
787  ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
788
789  memcpy(data, ptr, sizeBytes);
790}
791