Home | History | Annotate | Download | only in driver
      1 /*
      2  * Copyright (C) 2013 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 "rsdCore.h"
     18 #include "rsdAllocation.h"
     19 
     20 #include "rsAllocation.h"
     21 
     22 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
     23 #include "system/window.h"
     24 #include "ui/Rect.h"
     25 #include "ui/GraphicBufferMapper.h"
     26 #endif
     27 
     28 #ifdef RS_COMPATIBILITY_LIB
     29 #include "rsCompatibilityLib.h"
     30 #else
     31 #include "rsdFrameBufferObj.h"
     32 #include "gui/GLConsumer.h"
     33 #include "gui/CpuConsumer.h"
     34 #include "gui/Surface.h"
     35 #include "hardware/gralloc.h"
     36 
     37 #include <GLES/gl.h>
     38 #include <GLES2/gl2.h>
     39 #include <GLES/glext.h>
     40 #endif
     41 
     42 #ifdef RS_SERVER
     43 // server requires malloc.h for memalign
     44 #include <malloc.h>
     45 #endif
     46 
     47 using namespace android;
     48 using namespace android::renderscript;
     49 
     50 
     51 #ifndef RS_COMPATIBILITY_LIB
     52 const static GLenum gFaceOrder[] = {
     53     GL_TEXTURE_CUBE_MAP_POSITIVE_X,
     54     GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
     55     GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
     56     GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
     57     GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
     58     GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
     59 };
     60 
     61 GLenum rsdTypeToGLType(RsDataType t) {
     62     switch (t) {
     63     case RS_TYPE_UNSIGNED_5_6_5:    return GL_UNSIGNED_SHORT_5_6_5;
     64     case RS_TYPE_UNSIGNED_5_5_5_1:  return GL_UNSIGNED_SHORT_5_5_5_1;
     65     case RS_TYPE_UNSIGNED_4_4_4_4:  return GL_UNSIGNED_SHORT_4_4_4_4;
     66 
     67     //case RS_TYPE_FLOAT_16:      return GL_HALF_FLOAT;
     68     case RS_TYPE_FLOAT_32:      return GL_FLOAT;
     69     case RS_TYPE_UNSIGNED_8:    return GL_UNSIGNED_BYTE;
     70     case RS_TYPE_UNSIGNED_16:   return GL_UNSIGNED_SHORT;
     71     case RS_TYPE_SIGNED_8:      return GL_BYTE;
     72     case RS_TYPE_SIGNED_16:     return GL_SHORT;
     73     default:    break;
     74     }
     75     return 0;
     76 }
     77 
     78 GLenum rsdKindToGLFormat(RsDataKind k) {
     79     switch (k) {
     80     case RS_KIND_PIXEL_L: return GL_LUMINANCE;
     81     case RS_KIND_PIXEL_A: return GL_ALPHA;
     82     case RS_KIND_PIXEL_LA: return GL_LUMINANCE_ALPHA;
     83     case RS_KIND_PIXEL_RGB: return GL_RGB;
     84     case RS_KIND_PIXEL_RGBA: return GL_RGBA;
     85     case RS_KIND_PIXEL_DEPTH: return GL_DEPTH_COMPONENT16;
     86     default: break;
     87     }
     88     return 0;
     89 }
     90 #endif
     91 
     92 uint8_t *GetOffsetPtr(const android::renderscript::Allocation *alloc,
     93                       uint32_t xoff, uint32_t yoff, uint32_t zoff,
     94                       uint32_t lod, RsAllocationCubemapFace face) {
     95     uint8_t *ptr = (uint8_t *)alloc->mHal.drvState.lod[lod].mallocPtr;
     96     ptr += face * alloc->mHal.drvState.faceOffset;
     97     ptr += zoff * alloc->mHal.drvState.lod[lod].dimY * alloc->mHal.drvState.lod[lod].stride;
     98     ptr += yoff * alloc->mHal.drvState.lod[lod].stride;
     99     ptr += xoff * alloc->mHal.state.elementSizeBytes;
    100     return ptr;
    101 }
    102 
    103 
    104 static void Update2DTexture(const Context *rsc, const Allocation *alloc, const void *ptr,
    105                             uint32_t xoff, uint32_t yoff, uint32_t lod,
    106                             RsAllocationCubemapFace face, uint32_t w, uint32_t h) {
    107 #ifndef RS_COMPATIBILITY_LIB
    108     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    109 
    110     rsAssert(drv->textureID);
    111     RSD_CALL_GL(glBindTexture, drv->glTarget, drv->textureID);
    112     RSD_CALL_GL(glPixelStorei, GL_UNPACK_ALIGNMENT, 1);
    113     GLenum t = GL_TEXTURE_2D;
    114     if (alloc->mHal.state.hasFaces) {
    115         t = gFaceOrder[face];
    116     }
    117     RSD_CALL_GL(glTexSubImage2D, t, lod, xoff, yoff, w, h, drv->glFormat, drv->glType, ptr);
    118 #endif
    119 }
    120 
    121 
    122 #ifndef RS_COMPATIBILITY_LIB
    123 static void Upload2DTexture(const Context *rsc, const Allocation *alloc, bool isFirstUpload) {
    124     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    125 
    126     RSD_CALL_GL(glBindTexture, drv->glTarget, drv->textureID);
    127     RSD_CALL_GL(glPixelStorei, GL_UNPACK_ALIGNMENT, 1);
    128 
    129     uint32_t faceCount = 1;
    130     if (alloc->mHal.state.hasFaces) {
    131         faceCount = 6;
    132     }
    133 
    134     rsdGLCheckError(rsc, "Upload2DTexture 1 ");
    135     for (uint32_t face = 0; face < faceCount; face ++) {
    136         for (uint32_t lod = 0; lod < alloc->mHal.state.type->getLODCount(); lod++) {
    137             const uint8_t *p = GetOffsetPtr(alloc, 0, 0, 0, lod, (RsAllocationCubemapFace)face);
    138 
    139             GLenum t = GL_TEXTURE_2D;
    140             if (alloc->mHal.state.hasFaces) {
    141                 t = gFaceOrder[face];
    142             }
    143 
    144             if (isFirstUpload) {
    145                 RSD_CALL_GL(glTexImage2D, t, lod, drv->glFormat,
    146                              alloc->mHal.state.type->getLODDimX(lod),
    147                              alloc->mHal.state.type->getLODDimY(lod),
    148                              0, drv->glFormat, drv->glType, p);
    149             } else {
    150                 RSD_CALL_GL(glTexSubImage2D, t, lod, 0, 0,
    151                                 alloc->mHal.state.type->getLODDimX(lod),
    152                                 alloc->mHal.state.type->getLODDimY(lod),
    153                                 drv->glFormat, drv->glType, p);
    154             }
    155         }
    156     }
    157 
    158     if (alloc->mHal.state.mipmapControl == RS_ALLOCATION_MIPMAP_ON_SYNC_TO_TEXTURE) {
    159         RSD_CALL_GL(glGenerateMipmap, drv->glTarget);
    160     }
    161     rsdGLCheckError(rsc, "Upload2DTexture");
    162 }
    163 #endif
    164 
    165 static void UploadToTexture(const Context *rsc, const Allocation *alloc) {
    166 #ifndef RS_COMPATIBILITY_LIB
    167     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    168 
    169     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_INPUT) {
    170         if (!drv->textureID) {
    171             RSD_CALL_GL(glGenTextures, 1, &drv->textureID);
    172         }
    173         return;
    174     }
    175 
    176     if (!drv->glType || !drv->glFormat) {
    177         return;
    178     }
    179 
    180     if (!alloc->mHal.drvState.lod[0].mallocPtr) {
    181         return;
    182     }
    183 
    184     bool isFirstUpload = false;
    185 
    186     if (!drv->textureID) {
    187         RSD_CALL_GL(glGenTextures, 1, &drv->textureID);
    188         isFirstUpload = true;
    189     }
    190 
    191     Upload2DTexture(rsc, alloc, isFirstUpload);
    192 
    193     if (!(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT)) {
    194         if (alloc->mHal.drvState.lod[0].mallocPtr) {
    195             free(alloc->mHal.drvState.lod[0].mallocPtr);
    196             alloc->mHal.drvState.lod[0].mallocPtr = NULL;
    197         }
    198     }
    199     rsdGLCheckError(rsc, "UploadToTexture");
    200 #endif
    201 }
    202 
    203 static void AllocateRenderTarget(const Context *rsc, const Allocation *alloc) {
    204 #ifndef RS_COMPATIBILITY_LIB
    205     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    206 
    207     if (!drv->glFormat) {
    208         return;
    209     }
    210 
    211     if (!drv->renderTargetID) {
    212         RSD_CALL_GL(glGenRenderbuffers, 1, &drv->renderTargetID);
    213 
    214         if (!drv->renderTargetID) {
    215             // This should generally not happen
    216             ALOGE("allocateRenderTarget failed to gen mRenderTargetID");
    217             rsc->dumpDebug();
    218             return;
    219         }
    220         RSD_CALL_GL(glBindRenderbuffer, GL_RENDERBUFFER, drv->renderTargetID);
    221         RSD_CALL_GL(glRenderbufferStorage, GL_RENDERBUFFER, drv->glFormat,
    222                     alloc->mHal.drvState.lod[0].dimX, alloc->mHal.drvState.lod[0].dimY);
    223     }
    224     rsdGLCheckError(rsc, "AllocateRenderTarget");
    225 #endif
    226 }
    227 
    228 static void UploadToBufferObject(const Context *rsc, const Allocation *alloc) {
    229 #ifndef RS_COMPATIBILITY_LIB
    230     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    231 
    232     rsAssert(!alloc->mHal.state.type->getDimY());
    233     rsAssert(!alloc->mHal.state.type->getDimZ());
    234 
    235     //alloc->mHal.state.usageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_VERTEX;
    236 
    237     if (!drv->bufferID) {
    238         RSD_CALL_GL(glGenBuffers, 1, &drv->bufferID);
    239     }
    240     if (!drv->bufferID) {
    241         ALOGE("Upload to buffer object failed");
    242         drv->uploadDeferred = true;
    243         return;
    244     }
    245     RSD_CALL_GL(glBindBuffer, drv->glTarget, drv->bufferID);
    246     RSD_CALL_GL(glBufferData, drv->glTarget,
    247                 alloc->mHal.state.type->getPackedSizeBytes(),
    248                 alloc->mHal.drvState.lod[0].mallocPtr, GL_DYNAMIC_DRAW);
    249     RSD_CALL_GL(glBindBuffer, drv->glTarget, 0);
    250     rsdGLCheckError(rsc, "UploadToBufferObject");
    251 #endif
    252 }
    253 
    254 
    255 static size_t DeriveYUVLayout(int yuv, Allocation::Hal::DrvState *state) {
    256     // YUV only supports basic 2d
    257     // so we can stash the plane pointers in the mipmap levels.
    258     size_t uvSize = 0;
    259     state->lod[1].dimX = state->lod[0].dimX / 2;
    260     state->lod[1].dimY = state->lod[0].dimY / 2;
    261     state->lod[2].dimX = state->lod[0].dimX / 2;
    262     state->lod[2].dimY = state->lod[0].dimY / 2;
    263     state->yuv.shift = 1;
    264     state->yuv.step = 1;
    265     state->lodCount = 3;
    266 
    267 #ifndef RS_SERVER
    268     switch(yuv) {
    269     case HAL_PIXEL_FORMAT_YV12:
    270         state->lod[2].stride = rsRound(state->lod[0].stride >> 1, 16);
    271         state->lod[2].mallocPtr = ((uint8_t *)state->lod[0].mallocPtr) +
    272                 (state->lod[0].stride * state->lod[0].dimY);
    273         uvSize += state->lod[2].stride * state->lod[2].dimY;
    274 
    275         state->lod[1].stride = state->lod[2].stride;
    276         state->lod[1].mallocPtr = ((uint8_t *)state->lod[2].mallocPtr) +
    277                 (state->lod[2].stride * state->lod[2].dimY);
    278         uvSize += state->lod[1].stride * state->lod[2].dimY;
    279         break;
    280     case HAL_PIXEL_FORMAT_YCrCb_420_SP:  // NV21
    281         //state->lod[1].dimX = state->lod[0].dimX;
    282         state->lod[1].stride = state->lod[0].stride;
    283         state->lod[2].stride = state->lod[0].stride;
    284         state->lod[2].mallocPtr = ((uint8_t *)state->lod[0].mallocPtr) +
    285                 (state->lod[0].stride * state->lod[0].dimY);
    286         state->lod[1].mallocPtr = ((uint8_t *)state->lod[2].mallocPtr) + 1;
    287         uvSize += state->lod[1].stride * state->lod[1].dimY;
    288         state->yuv.step = 2;
    289         break;
    290 #ifndef RS_COMPATIBILITY_LIB
    291     case HAL_PIXEL_FORMAT_YCbCr_420_888:
    292         // This will be filled in by ioReceive()
    293         break;
    294 #endif
    295     default:
    296         rsAssert(0);
    297     }
    298 #endif
    299     return uvSize;
    300 }
    301 
    302 
    303 static size_t AllocationBuildPointerTable(const Context *rsc, const Allocation *alloc,
    304         const Type *type, uint8_t *ptr) {
    305     alloc->mHal.drvState.lod[0].dimX = type->getDimX();
    306     alloc->mHal.drvState.lod[0].dimY = type->getDimY();
    307     alloc->mHal.drvState.lod[0].dimZ = type->getDimZ();
    308     alloc->mHal.drvState.lod[0].mallocPtr = 0;
    309     // Stride needs to be 16-byte aligned too!
    310     size_t stride = alloc->mHal.drvState.lod[0].dimX * type->getElementSizeBytes();
    311     alloc->mHal.drvState.lod[0].stride = rsRound(stride, 16);
    312     alloc->mHal.drvState.lodCount = type->getLODCount();
    313     alloc->mHal.drvState.faceCount = type->getDimFaces();
    314 
    315     size_t offsets[Allocation::MAX_LOD];
    316     memset(offsets, 0, sizeof(offsets));
    317 
    318     size_t o = alloc->mHal.drvState.lod[0].stride * rsMax(alloc->mHal.drvState.lod[0].dimY, 1u) *
    319             rsMax(alloc->mHal.drvState.lod[0].dimZ, 1u);
    320     if(alloc->mHal.drvState.lodCount > 1) {
    321         uint32_t tx = alloc->mHal.drvState.lod[0].dimX;
    322         uint32_t ty = alloc->mHal.drvState.lod[0].dimY;
    323         uint32_t tz = alloc->mHal.drvState.lod[0].dimZ;
    324         for (uint32_t lod=1; lod < alloc->mHal.drvState.lodCount; lod++) {
    325             alloc->mHal.drvState.lod[lod].dimX = tx;
    326             alloc->mHal.drvState.lod[lod].dimY = ty;
    327             alloc->mHal.drvState.lod[lod].dimZ = tz;
    328             alloc->mHal.drvState.lod[lod].stride =
    329                     rsRound(tx * type->getElementSizeBytes(), 16);
    330             offsets[lod] = o;
    331             o += alloc->mHal.drvState.lod[lod].stride * rsMax(ty, 1u) * rsMax(tz, 1u);
    332             if (tx > 1) tx >>= 1;
    333             if (ty > 1) ty >>= 1;
    334             if (tz > 1) tz >>= 1;
    335         }
    336     } else if (alloc->mHal.state.yuv) {
    337         o += DeriveYUVLayout(alloc->mHal.state.yuv, &alloc->mHal.drvState);
    338 
    339         for (uint32_t ct = 1; ct < alloc->mHal.drvState.lodCount; ct++) {
    340             offsets[ct] = (size_t)alloc->mHal.drvState.lod[ct].mallocPtr;
    341         }
    342     }
    343 
    344     alloc->mHal.drvState.faceOffset = o;
    345 
    346     alloc->mHal.drvState.lod[0].mallocPtr = ptr;
    347     for (uint32_t lod=1; lod < alloc->mHal.drvState.lodCount; lod++) {
    348         alloc->mHal.drvState.lod[lod].mallocPtr = ptr + offsets[lod];
    349     }
    350 
    351     size_t allocSize = alloc->mHal.drvState.faceOffset;
    352     if(alloc->mHal.drvState.faceCount) {
    353         allocSize *= 6;
    354     }
    355 
    356     return allocSize;
    357 }
    358 
    359 static uint8_t* allocAlignedMemory(size_t allocSize, bool forceZero) {
    360     // We align all allocations to a 16-byte boundary.
    361     uint8_t* ptr = (uint8_t *)memalign(16, allocSize);
    362     if (!ptr) {
    363         return NULL;
    364     }
    365     if (forceZero) {
    366         memset(ptr, 0, allocSize);
    367     }
    368     return ptr;
    369 }
    370 
    371 bool rsdAllocationInit(const Context *rsc, Allocation *alloc, bool forceZero) {
    372     DrvAllocation *drv = (DrvAllocation *)calloc(1, sizeof(DrvAllocation));
    373     if (!drv) {
    374         return false;
    375     }
    376     alloc->mHal.drv = drv;
    377 
    378     // Calculate the object size.
    379     size_t allocSize = AllocationBuildPointerTable(rsc, alloc, alloc->getType(), NULL);
    380 
    381     uint8_t * ptr = NULL;
    382     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT) {
    383 
    384     } else if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_INPUT) {
    385         // Allocation is allocated when the surface is created
    386         // in getSurface
    387     } else if (alloc->mHal.state.userProvidedPtr != NULL) {
    388         // user-provided allocation
    389         // limitations: no faces, no LOD, USAGE_SCRIPT or SCRIPT+TEXTURE only
    390         if (!(alloc->mHal.state.usageFlags == (RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_SHARED) ||
    391               alloc->mHal.state.usageFlags == (RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_SHARED | RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE))) {
    392             ALOGE("Can't use user-allocated buffers if usage is not USAGE_SCRIPT | USAGE_SHARED or USAGE_SCRIPT | USAGE_SHARED | USAGE_GRAPHICS_TEXTURE");
    393             return false;
    394         }
    395         if (alloc->getType()->getDimLOD() || alloc->getType()->getDimFaces()) {
    396             ALOGE("User-allocated buffers must not have multiple faces or LODs");
    397             return false;
    398         }
    399 
    400         // rows must be 16-byte aligned
    401         // validate that here, otherwise fall back to not use the user-backed allocation
    402         if (((alloc->getType()->getDimX() * alloc->getType()->getElement()->getSizeBytes()) % 16) != 0) {
    403             ALOGV("User-backed allocation failed stride requirement, falling back to separate allocation");
    404             drv->useUserProvidedPtr = false;
    405 
    406             ptr = allocAlignedMemory(allocSize, forceZero);
    407             if (!ptr) {
    408                 alloc->mHal.drv = NULL;
    409                 free(drv);
    410                 return false;
    411             }
    412 
    413         } else {
    414             drv->useUserProvidedPtr = true;
    415             ptr = (uint8_t*)alloc->mHal.state.userProvidedPtr;
    416         }
    417     } else {
    418         ptr = allocAlignedMemory(allocSize, forceZero);
    419         if (!ptr) {
    420             alloc->mHal.drv = NULL;
    421             free(drv);
    422             return false;
    423         }
    424     }
    425     // Build the pointer tables
    426     size_t verifySize = AllocationBuildPointerTable(rsc, alloc, alloc->getType(), ptr);
    427     if(allocSize != verifySize) {
    428         rsAssert(!"Size mismatch");
    429     }
    430 
    431 #ifndef RS_SERVER
    432     drv->glTarget = GL_NONE;
    433     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) {
    434         if (alloc->mHal.state.hasFaces) {
    435             drv->glTarget = GL_TEXTURE_CUBE_MAP;
    436         } else {
    437             drv->glTarget = GL_TEXTURE_2D;
    438         }
    439     } else {
    440         if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) {
    441             drv->glTarget = GL_ARRAY_BUFFER;
    442         }
    443     }
    444 #endif
    445 
    446 #ifndef RS_COMPATIBILITY_LIB
    447     drv->glType = rsdTypeToGLType(alloc->mHal.state.type->getElement()->getComponent().getType());
    448     drv->glFormat = rsdKindToGLFormat(alloc->mHal.state.type->getElement()->getComponent().getKind());
    449 #else
    450     drv->glType = 0;
    451     drv->glFormat = 0;
    452 #endif
    453 
    454     if (alloc->mHal.state.usageFlags & ~RS_ALLOCATION_USAGE_SCRIPT) {
    455         drv->uploadDeferred = true;
    456     }
    457 
    458 
    459     drv->readBackFBO = NULL;
    460 
    461     // fill out the initial state of the buffer if we couldn't use the user-provided ptr and USAGE_SHARED was accepted
    462     if ((alloc->mHal.state.userProvidedPtr != 0) && (drv->useUserProvidedPtr == false)) {
    463         rsdAllocationData2D(rsc, alloc, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X, alloc->getType()->getDimX(), alloc->getType()->getDimY(), alloc->mHal.state.userProvidedPtr, allocSize, 0);
    464     }
    465 
    466     return true;
    467 }
    468 
    469 void rsdAllocationDestroy(const Context *rsc, Allocation *alloc) {
    470     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    471 
    472 #ifndef RS_COMPATIBILITY_LIB
    473     if (drv->bufferID) {
    474         // Causes a SW crash....
    475         //ALOGV(" mBufferID %i", mBufferID);
    476         //glDeleteBuffers(1, &mBufferID);
    477         //mBufferID = 0;
    478     }
    479     if (drv->textureID) {
    480         RSD_CALL_GL(glDeleteTextures, 1, &drv->textureID);
    481         drv->textureID = 0;
    482     }
    483     if (drv->renderTargetID) {
    484         RSD_CALL_GL(glDeleteRenderbuffers, 1, &drv->renderTargetID);
    485         drv->renderTargetID = 0;
    486     }
    487 #endif
    488 
    489     if (alloc->mHal.drvState.lod[0].mallocPtr) {
    490         // don't free user-allocated ptrs or IO_OUTPUT buffers
    491         if (!(drv->useUserProvidedPtr) &&
    492             !(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_INPUT) &&
    493             !(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT)) {
    494                 free(alloc->mHal.drvState.lod[0].mallocPtr);
    495         }
    496         alloc->mHal.drvState.lod[0].mallocPtr = NULL;
    497     }
    498 
    499 #ifndef RS_COMPATIBILITY_LIB
    500     if (drv->readBackFBO != NULL) {
    501         delete drv->readBackFBO;
    502         drv->readBackFBO = NULL;
    503     }
    504 
    505     if ((alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT) &&
    506         (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT)) {
    507 
    508         DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    509         ANativeWindow *nw = drv->wndSurface;
    510         if (nw) {
    511             GraphicBufferMapper &mapper = GraphicBufferMapper::get();
    512             mapper.unlock(drv->wndBuffer->handle);
    513             int32_t r = nw->queueBuffer(nw, drv->wndBuffer, -1);
    514         }
    515     }
    516 #endif
    517 
    518     free(drv);
    519     alloc->mHal.drv = NULL;
    520 }
    521 
    522 void rsdAllocationResize(const Context *rsc, const Allocation *alloc,
    523                          const Type *newType, bool zeroNew) {
    524     const uint32_t oldDimX = alloc->mHal.drvState.lod[0].dimX;
    525     const uint32_t dimX = newType->getDimX();
    526 
    527     // can't resize Allocations with user-allocated buffers
    528     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SHARED) {
    529         ALOGE("Resize cannot be called on a USAGE_SHARED allocation");
    530         return;
    531     }
    532     void * oldPtr = alloc->mHal.drvState.lod[0].mallocPtr;
    533     // Calculate the object size
    534     size_t s = AllocationBuildPointerTable(rsc, alloc, newType, NULL);
    535     uint8_t *ptr = (uint8_t *)realloc(oldPtr, s);
    536     // Build the relative pointer tables.
    537     size_t verifySize = AllocationBuildPointerTable(rsc, alloc, newType, ptr);
    538     if(s != verifySize) {
    539         rsAssert(!"Size mismatch");
    540     }
    541 
    542 
    543     if (dimX > oldDimX) {
    544         size_t stride = alloc->mHal.state.elementSizeBytes;
    545         memset(((uint8_t *)alloc->mHal.drvState.lod[0].mallocPtr) + stride * oldDimX,
    546                  0, stride * (dimX - oldDimX));
    547     }
    548 }
    549 
    550 static void rsdAllocationSyncFromFBO(const Context *rsc, const Allocation *alloc) {
    551 #ifndef RS_COMPATIBILITY_LIB
    552     if (!alloc->getIsScript()) {
    553         return; // nothing to sync
    554     }
    555 
    556     RsdHal *dc = (RsdHal *)rsc->mHal.drv;
    557     RsdFrameBufferObj *lastFbo = dc->gl.currentFrameBuffer;
    558 
    559     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    560     if (!drv->textureID && !drv->renderTargetID) {
    561         return; // nothing was rendered here yet, so nothing to sync
    562     }
    563     if (drv->readBackFBO == NULL) {
    564         drv->readBackFBO = new RsdFrameBufferObj();
    565         drv->readBackFBO->setColorTarget(drv, 0);
    566         drv->readBackFBO->setDimensions(alloc->getType()->getDimX(),
    567                                         alloc->getType()->getDimY());
    568     }
    569 
    570     // Bind the framebuffer object so we can read back from it
    571     drv->readBackFBO->setActive(rsc);
    572 
    573     // Do the readback
    574     RSD_CALL_GL(glReadPixels, 0, 0, alloc->mHal.drvState.lod[0].dimX,
    575                 alloc->mHal.drvState.lod[0].dimY,
    576                 drv->glFormat, drv->glType, alloc->mHal.drvState.lod[0].mallocPtr);
    577 
    578     // Revert framebuffer to its original
    579     lastFbo->setActive(rsc);
    580 #endif
    581 }
    582 
    583 
    584 void rsdAllocationSyncAll(const Context *rsc, const Allocation *alloc,
    585                          RsAllocationUsageType src) {
    586     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    587 
    588     if (src == RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
    589         if(!alloc->getIsRenderTarget()) {
    590             rsc->setError(RS_ERROR_FATAL_DRIVER,
    591                           "Attempting to sync allocation from render target, "
    592                           "for non-render target allocation");
    593         } else if (alloc->getType()->getElement()->getKind() != RS_KIND_PIXEL_RGBA) {
    594             rsc->setError(RS_ERROR_FATAL_DRIVER, "Cannot only sync from RGBA"
    595                                                  "render target");
    596         } else {
    597             rsdAllocationSyncFromFBO(rsc, alloc);
    598         }
    599         return;
    600     }
    601 
    602     rsAssert(src == RS_ALLOCATION_USAGE_SCRIPT);
    603 
    604     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) {
    605         UploadToTexture(rsc, alloc);
    606     } else {
    607         if ((alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) &&
    608             !(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT)) {
    609             AllocateRenderTarget(rsc, alloc);
    610         }
    611     }
    612     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) {
    613         UploadToBufferObject(rsc, alloc);
    614     }
    615 
    616     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SHARED) {
    617         // NOP in CPU driver for now
    618     }
    619 
    620     drv->uploadDeferred = false;
    621 }
    622 
    623 void rsdAllocationMarkDirty(const Context *rsc, const Allocation *alloc) {
    624     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    625     drv->uploadDeferred = true;
    626 }
    627 
    628 #ifndef RS_COMPATIBILITY_LIB
    629 static bool IoGetBuffer(const Context *rsc, Allocation *alloc, ANativeWindow *nw) {
    630     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    631 
    632     int32_t r = native_window_dequeue_buffer_and_wait(nw, &drv->wndBuffer);
    633     if (r) {
    634         rsc->setError(RS_ERROR_DRIVER, "Error getting next IO output buffer.");
    635         return false;
    636     }
    637 
    638     // Must lock the whole surface
    639     GraphicBufferMapper &mapper = GraphicBufferMapper::get();
    640     Rect bounds(drv->wndBuffer->width, drv->wndBuffer->height);
    641 
    642     void *dst = NULL;
    643     mapper.lock(drv->wndBuffer->handle,
    644             GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN,
    645             bounds, &dst);
    646     alloc->mHal.drvState.lod[0].mallocPtr = dst;
    647     alloc->mHal.drvState.lod[0].stride = drv->wndBuffer->stride * alloc->mHal.state.elementSizeBytes;
    648     rsAssert((alloc->mHal.drvState.lod[0].stride & 0xf) == 0);
    649 
    650     return true;
    651 }
    652 #endif
    653 
    654 void rsdAllocationSetSurface(const Context *rsc, Allocation *alloc, ANativeWindow *nw) {
    655 #ifndef RS_COMPATIBILITY_LIB
    656     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    657     ANativeWindow *old = drv->wndSurface;
    658 
    659     if (nw) {
    660         nw->incStrong(NULL);
    661     }
    662 
    663     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
    664         //TODO finish support for render target + script
    665         drv->wnd = nw;
    666         return;
    667     }
    668 
    669     // Cleanup old surface if there is one.
    670     if (drv->wndSurface) {
    671         ANativeWindow *old = drv->wndSurface;
    672         GraphicBufferMapper &mapper = GraphicBufferMapper::get();
    673         mapper.unlock(drv->wndBuffer->handle);
    674         old->cancelBuffer(old, drv->wndBuffer, -1);
    675         drv->wndSurface = NULL;
    676 
    677         native_window_api_disconnect(old, NATIVE_WINDOW_API_CPU);
    678         old->decStrong(NULL);
    679     }
    680 
    681     if (nw != NULL) {
    682         int32_t r;
    683         uint32_t flags = 0;
    684 
    685         if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) {
    686             flags |= GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_OFTEN;
    687         }
    688         if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
    689             flags |= GRALLOC_USAGE_HW_RENDER;
    690         }
    691 
    692         r = native_window_api_connect(nw, NATIVE_WINDOW_API_CPU);
    693         if (r) {
    694             rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer usage.");
    695             goto error;
    696         }
    697 
    698         r = native_window_set_usage(nw, flags);
    699         if (r) {
    700             rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer usage.");
    701             goto error;
    702         }
    703 
    704         r = native_window_set_buffers_dimensions(nw, alloc->mHal.drvState.lod[0].dimX,
    705                                                  alloc->mHal.drvState.lod[0].dimY);
    706         if (r) {
    707             rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer dimensions.");
    708             goto error;
    709         }
    710 
    711         int format = 0;
    712         const Element *e = alloc->mHal.state.type->getElement();
    713         rsAssert(e->getType() == RS_TYPE_UNSIGNED_8);
    714         rsAssert(e->getVectorSize() == 4);
    715         rsAssert(e->getKind() == RS_KIND_PIXEL_RGBA);
    716         format = PIXEL_FORMAT_RGBA_8888;
    717 
    718         r = native_window_set_buffers_format(nw, format);
    719         if (r) {
    720             rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer format.");
    721             goto error;
    722         }
    723 
    724         IoGetBuffer(rsc, alloc, nw);
    725         drv->wndSurface = nw;
    726     }
    727 
    728     return;
    729 
    730  error:
    731 
    732     if (nw) {
    733         nw->decStrong(NULL);
    734     }
    735 
    736 
    737 #endif
    738 }
    739 
    740 void rsdAllocationIoSend(const Context *rsc, Allocation *alloc) {
    741 #ifndef RS_COMPATIBILITY_LIB
    742     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    743     ANativeWindow *nw = drv->wndSurface;
    744     if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
    745         RsdHal *dc = (RsdHal *)rsc->mHal.drv;
    746         RSD_CALL_GL(eglSwapBuffers, dc->gl.egl.display, dc->gl.egl.surface);
    747         return;
    748     }
    749     if (nw) {
    750         if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) {
    751             GraphicBufferMapper &mapper = GraphicBufferMapper::get();
    752             mapper.unlock(drv->wndBuffer->handle);
    753             int32_t r = nw->queueBuffer(nw, drv->wndBuffer, -1);
    754             if (r) {
    755                 rsc->setError(RS_ERROR_DRIVER, "Error sending IO output buffer.");
    756                 return;
    757             }
    758 
    759             IoGetBuffer(rsc, alloc, nw);
    760         }
    761     } else {
    762         rsc->setError(RS_ERROR_DRIVER, "Sent IO buffer with no attached surface.");
    763         return;
    764     }
    765 #endif
    766 }
    767 
    768 void rsdAllocationIoReceive(const Context *rsc, Allocation *alloc) {
    769 #ifndef RS_COMPATIBILITY_LIB
    770     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    771     if (!(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT)) {
    772         drv->surfaceTexture->updateTexImage();
    773     }
    774 #endif
    775 }
    776 
    777 
    778 void rsdAllocationData1D(const Context *rsc, const Allocation *alloc,
    779                          uint32_t xoff, uint32_t lod, size_t count,
    780                          const void *data, size_t sizeBytes) {
    781     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    782 
    783     const size_t eSize = alloc->mHal.state.type->getElementSizeBytes();
    784     uint8_t * ptr = GetOffsetPtr(alloc, xoff, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
    785     size_t size = count * eSize;
    786     if (ptr != data) {
    787         // Skip the copy if we are the same allocation. This can arise from
    788         // our Bitmap optimization, where we share the same storage.
    789         if (alloc->mHal.state.hasReferences) {
    790             alloc->incRefs(data, count);
    791             alloc->decRefs(ptr, count);
    792         }
    793         memcpy(ptr, data, size);
    794     }
    795     drv->uploadDeferred = true;
    796 }
    797 
    798 void rsdAllocationData2D(const Context *rsc, const Allocation *alloc,
    799                          uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
    800                          uint32_t w, uint32_t h, const void *data, size_t sizeBytes, size_t stride) {
    801     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    802 
    803     size_t eSize = alloc->mHal.state.elementSizeBytes;
    804     size_t lineSize = eSize * w;
    805     if (!stride) {
    806         stride = lineSize;
    807     }
    808 
    809     if (alloc->mHal.drvState.lod[0].mallocPtr) {
    810         const uint8_t *src = static_cast<const uint8_t *>(data);
    811         uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
    812         if (dst == src) {
    813             // Skip the copy if we are the same allocation. This can arise from
    814             // our Bitmap optimization, where we share the same storage.
    815             drv->uploadDeferred = true;
    816             return;
    817         }
    818 
    819         for (uint32_t line=yoff; line < (yoff+h); line++) {
    820             if (alloc->mHal.state.hasReferences) {
    821                 alloc->incRefs(src, w);
    822                 alloc->decRefs(dst, w);
    823             }
    824             memcpy(dst, src, lineSize);
    825             src += stride;
    826             dst += alloc->mHal.drvState.lod[lod].stride;
    827         }
    828         if (alloc->mHal.state.yuv) {
    829             size_t clineSize = lineSize;
    830             int lod = 1;
    831             int maxLod = 2;
    832             if (alloc->mHal.state.yuv == HAL_PIXEL_FORMAT_YV12) {
    833                 maxLod = 3;
    834                 clineSize >>= 1;
    835             } else if (alloc->mHal.state.yuv == HAL_PIXEL_FORMAT_YCrCb_420_SP) {
    836                 lod = 2;
    837                 maxLod = 3;
    838             }
    839 
    840             while (lod < maxLod) {
    841                 uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
    842 
    843                 for (uint32_t line=(yoff >> 1); line < ((yoff+h)>>1); line++) {
    844                     memcpy(dst, src, clineSize);
    845                     src += alloc->mHal.drvState.lod[lod].stride;
    846                     dst += alloc->mHal.drvState.lod[lod].stride;
    847                 }
    848                 lod++;
    849             }
    850 
    851         }
    852         drv->uploadDeferred = true;
    853     } else {
    854         Update2DTexture(rsc, alloc, data, xoff, yoff, lod, face, w, h);
    855     }
    856 }
    857 
    858 void rsdAllocationData3D(const Context *rsc, const Allocation *alloc,
    859                          uint32_t xoff, uint32_t yoff, uint32_t zoff,
    860                          uint32_t lod,
    861                          uint32_t w, uint32_t h, uint32_t d, const void *data,
    862                          size_t sizeBytes, size_t stride) {
    863     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
    864 
    865     uint32_t eSize = alloc->mHal.state.elementSizeBytes;
    866     uint32_t lineSize = eSize * w;
    867     if (!stride) {
    868         stride = lineSize;
    869     }
    870 
    871     if (alloc->mHal.drvState.lod[0].mallocPtr) {
    872         const uint8_t *src = static_cast<const uint8_t *>(data);
    873         for (uint32_t z = zoff; z < d; z++) {
    874             uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, z, lod,
    875                                         RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
    876             if (dst == src) {
    877                 // Skip the copy if we are the same allocation. This can arise from
    878                 // our Bitmap optimization, where we share the same storage.
    879                 drv->uploadDeferred = true;
    880                 return;
    881             }
    882 
    883             for (uint32_t line=yoff; line < (yoff+h); line++) {
    884                 if (alloc->mHal.state.hasReferences) {
    885                     alloc->incRefs(src, w);
    886                     alloc->decRefs(dst, w);
    887                 }
    888                 memcpy(dst, src, lineSize);
    889                 src += stride;
    890                 dst += alloc->mHal.drvState.lod[lod].stride;
    891             }
    892         }
    893         drv->uploadDeferred = true;
    894     }
    895 }
    896 
    897 void rsdAllocationRead1D(const Context *rsc, const Allocation *alloc,
    898                          uint32_t xoff, uint32_t lod, size_t count,
    899                          void *data, size_t sizeBytes) {
    900     const size_t eSize = alloc->mHal.state.type->getElementSizeBytes();
    901     const uint8_t * ptr = GetOffsetPtr(alloc, xoff, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
    902     if (data != ptr) {
    903         // Skip the copy if we are the same allocation. This can arise from
    904         // our Bitmap optimization, where we share the same storage.
    905         memcpy(data, ptr, count * eSize);
    906     }
    907 }
    908 
    909 void rsdAllocationRead2D(const Context *rsc, const Allocation *alloc,
    910                                 uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
    911                                 uint32_t w, uint32_t h, void *data, size_t sizeBytes, size_t stride) {
    912     size_t eSize = alloc->mHal.state.elementSizeBytes;
    913     size_t lineSize = eSize * w;
    914     if (!stride) {
    915         stride = lineSize;
    916     }
    917 
    918     if (alloc->mHal.drvState.lod[0].mallocPtr) {
    919         uint8_t *dst = static_cast<uint8_t *>(data);
    920         const uint8_t *src = GetOffsetPtr(alloc, xoff, yoff, 0, lod, face);
    921         if (dst == src) {
    922             // Skip the copy if we are the same allocation. This can arise from
    923             // our Bitmap optimization, where we share the same storage.
    924             return;
    925         }
    926 
    927         for (uint32_t line=yoff; line < (yoff+h); line++) {
    928             memcpy(dst, src, lineSize);
    929             dst += stride;
    930             src += alloc->mHal.drvState.lod[lod].stride;
    931         }
    932     } else {
    933         ALOGE("Add code to readback from non-script memory");
    934     }
    935 }
    936 
    937 
    938 void rsdAllocationRead3D(const Context *rsc, const Allocation *alloc,
    939                          uint32_t xoff, uint32_t yoff, uint32_t zoff,
    940                          uint32_t lod,
    941                          uint32_t w, uint32_t h, uint32_t d, void *data, size_t sizeBytes, size_t stride) {
    942     uint32_t eSize = alloc->mHal.state.elementSizeBytes;
    943     uint32_t lineSize = eSize * w;
    944     if (!stride) {
    945         stride = lineSize;
    946     }
    947 
    948     if (alloc->mHal.drvState.lod[0].mallocPtr) {
    949         uint8_t *dst = static_cast<uint8_t *>(data);
    950         for (uint32_t z = zoff; z < d; z++) {
    951             const uint8_t *src = GetOffsetPtr(alloc, xoff, yoff, z, lod,
    952                                               RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
    953             if (dst == src) {
    954                 // Skip the copy if we are the same allocation. This can arise from
    955                 // our Bitmap optimization, where we share the same storage.
    956                 return;
    957             }
    958 
    959             for (uint32_t line=yoff; line < (yoff+h); line++) {
    960                 memcpy(dst, src, lineSize);
    961                 dst += stride;
    962                 src += alloc->mHal.drvState.lod[lod].stride;
    963             }
    964         }
    965     }
    966 }
    967 
    968 void * rsdAllocationLock1D(const android::renderscript::Context *rsc,
    969                           const android::renderscript::Allocation *alloc) {
    970     return alloc->mHal.drvState.lod[0].mallocPtr;
    971 }
    972 
    973 void rsdAllocationUnlock1D(const android::renderscript::Context *rsc,
    974                           const android::renderscript::Allocation *alloc) {
    975 
    976 }
    977 
    978 void rsdAllocationData1D_alloc(const android::renderscript::Context *rsc,
    979                                const android::renderscript::Allocation *dstAlloc,
    980                                uint32_t dstXoff, uint32_t dstLod, size_t count,
    981                                const android::renderscript::Allocation *srcAlloc,
    982                                uint32_t srcXoff, uint32_t srcLod) {
    983 }
    984 
    985 
    986 void rsdAllocationData2D_alloc_script(const android::renderscript::Context *rsc,
    987                                       const android::renderscript::Allocation *dstAlloc,
    988                                       uint32_t dstXoff, uint32_t dstYoff, uint32_t dstLod,
    989                                       RsAllocationCubemapFace dstFace, uint32_t w, uint32_t h,
    990                                       const android::renderscript::Allocation *srcAlloc,
    991                                       uint32_t srcXoff, uint32_t srcYoff, uint32_t srcLod,
    992                                       RsAllocationCubemapFace srcFace) {
    993     size_t elementSize = dstAlloc->getType()->getElementSizeBytes();
    994     for (uint32_t i = 0; i < h; i ++) {
    995         uint8_t *dstPtr = GetOffsetPtr(dstAlloc, dstXoff, dstYoff + i, 0, dstLod, dstFace);
    996         uint8_t *srcPtr = GetOffsetPtr(srcAlloc, srcXoff, srcYoff + i, 0, srcLod, srcFace);
    997         memcpy(dstPtr, srcPtr, w * elementSize);
    998 
    999         //ALOGE("COPIED dstXoff(%u), dstYoff(%u), dstLod(%u), dstFace(%u), w(%u), h(%u), srcXoff(%u), srcYoff(%u), srcLod(%u), srcFace(%u)",
   1000         //     dstXoff, dstYoff, dstLod, dstFace, w, h, srcXoff, srcYoff, srcLod, srcFace);
   1001     }
   1002 }
   1003 
   1004 void rsdAllocationData3D_alloc_script(const android::renderscript::Context *rsc,
   1005                                       const android::renderscript::Allocation *dstAlloc,
   1006                                       uint32_t dstXoff, uint32_t dstYoff, uint32_t dstZoff, uint32_t dstLod,
   1007                                       uint32_t w, uint32_t h, uint32_t d,
   1008                                       const android::renderscript::Allocation *srcAlloc,
   1009                                       uint32_t srcXoff, uint32_t srcYoff, uint32_t srcZoff, uint32_t srcLod) {
   1010     uint32_t elementSize = dstAlloc->getType()->getElementSizeBytes();
   1011     for (uint32_t j = 0; j < d; j++) {
   1012         for (uint32_t i = 0; i < h; i ++) {
   1013             uint8_t *dstPtr = GetOffsetPtr(dstAlloc, dstXoff, dstYoff + i, dstZoff + j,
   1014                                            dstLod, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
   1015             uint8_t *srcPtr = GetOffsetPtr(srcAlloc, srcXoff, srcYoff + i, srcZoff + j,
   1016                                            srcLod, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
   1017             memcpy(dstPtr, srcPtr, w * elementSize);
   1018 
   1019             //ALOGE("COPIED dstXoff(%u), dstYoff(%u), dstLod(%u), dstFace(%u), w(%u), h(%u), srcXoff(%u), srcYoff(%u), srcLod(%u), srcFace(%u)",
   1020             //     dstXoff, dstYoff, dstLod, dstFace, w, h, srcXoff, srcYoff, srcLod, srcFace);
   1021         }
   1022     }
   1023 }
   1024 
   1025 void rsdAllocationData2D_alloc(const android::renderscript::Context *rsc,
   1026                                const android::renderscript::Allocation *dstAlloc,
   1027                                uint32_t dstXoff, uint32_t dstYoff, uint32_t dstLod,
   1028                                RsAllocationCubemapFace dstFace, uint32_t w, uint32_t h,
   1029                                const android::renderscript::Allocation *srcAlloc,
   1030                                uint32_t srcXoff, uint32_t srcYoff, uint32_t srcLod,
   1031                                RsAllocationCubemapFace srcFace) {
   1032     if (!dstAlloc->getIsScript() && !srcAlloc->getIsScript()) {
   1033         rsc->setError(RS_ERROR_FATAL_DRIVER, "Non-script allocation copies not "
   1034                                              "yet implemented.");
   1035         return;
   1036     }
   1037     rsdAllocationData2D_alloc_script(rsc, dstAlloc, dstXoff, dstYoff,
   1038                                      dstLod, dstFace, w, h, srcAlloc,
   1039                                      srcXoff, srcYoff, srcLod, srcFace);
   1040 }
   1041 
   1042 void rsdAllocationData3D_alloc(const android::renderscript::Context *rsc,
   1043                                const android::renderscript::Allocation *dstAlloc,
   1044                                uint32_t dstXoff, uint32_t dstYoff, uint32_t dstZoff,
   1045                                uint32_t dstLod,
   1046                                uint32_t w, uint32_t h, uint32_t d,
   1047                                const android::renderscript::Allocation *srcAlloc,
   1048                                uint32_t srcXoff, uint32_t srcYoff, uint32_t srcZoff,
   1049                                uint32_t srcLod) {
   1050     if (!dstAlloc->getIsScript() && !srcAlloc->getIsScript()) {
   1051         rsc->setError(RS_ERROR_FATAL_DRIVER, "Non-script allocation copies not "
   1052                                              "yet implemented.");
   1053         return;
   1054     }
   1055     rsdAllocationData3D_alloc_script(rsc, dstAlloc, dstXoff, dstYoff, dstZoff,
   1056                                      dstLod, w, h, d, srcAlloc,
   1057                                      srcXoff, srcYoff, srcZoff, srcLod);
   1058 }
   1059 
   1060 void rsdAllocationElementData1D(const Context *rsc, const Allocation *alloc,
   1061                                 uint32_t x,
   1062                                 const void *data, uint32_t cIdx, size_t sizeBytes) {
   1063     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
   1064 
   1065     size_t eSize = alloc->mHal.state.elementSizeBytes;
   1066     uint8_t * ptr = GetOffsetPtr(alloc, x, 0, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
   1067 
   1068     const Element * e = alloc->mHal.state.type->getElement()->getField(cIdx);
   1069     ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
   1070 
   1071     if (alloc->mHal.state.hasReferences) {
   1072         e->incRefs(data);
   1073         e->decRefs(ptr);
   1074     }
   1075 
   1076     memcpy(ptr, data, sizeBytes);
   1077     drv->uploadDeferred = true;
   1078 }
   1079 
   1080 void rsdAllocationElementData2D(const Context *rsc, const Allocation *alloc,
   1081                                 uint32_t x, uint32_t y,
   1082                                 const void *data, uint32_t cIdx, size_t sizeBytes) {
   1083     DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
   1084 
   1085     size_t eSize = alloc->mHal.state.elementSizeBytes;
   1086     uint8_t * ptr = GetOffsetPtr(alloc, x, y, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
   1087 
   1088     const Element * e = alloc->mHal.state.type->getElement()->getField(cIdx);
   1089     ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
   1090 
   1091     if (alloc->mHal.state.hasReferences) {
   1092         e->incRefs(data);
   1093         e->decRefs(ptr);
   1094     }
   1095 
   1096     memcpy(ptr, data, sizeBytes);
   1097     drv->uploadDeferred = true;
   1098 }
   1099 
   1100 static void mip565(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
   1101     uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
   1102     uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
   1103 
   1104     for (uint32_t y=0; y < h; y++) {
   1105         uint16_t *oPtr = (uint16_t *)GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
   1106         const uint16_t *i1 = (uint16_t *)GetOffsetPtr(alloc, 0, 0, y*2, lod, face);
   1107         const uint16_t *i2 = (uint16_t *)GetOffsetPtr(alloc, 0, 0, y*2+1, lod, face);
   1108 
   1109         for (uint32_t x=0; x < w; x++) {
   1110             *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
   1111             oPtr ++;
   1112             i1 += 2;
   1113             i2 += 2;
   1114         }
   1115     }
   1116 }
   1117 
   1118 static void mip8888(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
   1119     uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
   1120     uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
   1121 
   1122     for (uint32_t y=0; y < h; y++) {
   1123         uint32_t *oPtr = (uint32_t *)GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
   1124         const uint32_t *i1 = (uint32_t *)GetOffsetPtr(alloc, 0, y*2, 0, lod, face);
   1125         const uint32_t *i2 = (uint32_t *)GetOffsetPtr(alloc, 0, y*2+1, 0, lod, face);
   1126 
   1127         for (uint32_t x=0; x < w; x++) {
   1128             *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
   1129             oPtr ++;
   1130             i1 += 2;
   1131             i2 += 2;
   1132         }
   1133     }
   1134 }
   1135 
   1136 static void mip8(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
   1137     uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
   1138     uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
   1139 
   1140     for (uint32_t y=0; y < h; y++) {
   1141         uint8_t *oPtr = GetOffsetPtr(alloc, 0, y, 0, lod + 1, face);
   1142         const uint8_t *i1 = GetOffsetPtr(alloc, 0, y*2, 0, lod, face);
   1143         const uint8_t *i2 = GetOffsetPtr(alloc, 0, y*2+1, 0, lod, face);
   1144 
   1145         for (uint32_t x=0; x < w; x++) {
   1146             *oPtr = (uint8_t)(((uint32_t)i1[0] + i1[1] + i2[0] + i2[1]) * 0.25f);
   1147             oPtr ++;
   1148             i1 += 2;
   1149             i2 += 2;
   1150         }
   1151     }
   1152 }
   1153 
   1154 void rsdAllocationGenerateMipmaps(const Context *rsc, const Allocation *alloc) {
   1155     if(!alloc->mHal.drvState.lod[0].mallocPtr) {
   1156         return;
   1157     }
   1158     uint32_t numFaces = alloc->getType()->getDimFaces() ? 6 : 1;
   1159     for (uint32_t face = 0; face < numFaces; face ++) {
   1160         for (uint32_t lod=0; lod < (alloc->getType()->getLODCount() -1); lod++) {
   1161             switch (alloc->getType()->getElement()->getSizeBits()) {
   1162             case 32:
   1163                 mip8888(alloc, lod, (RsAllocationCubemapFace)face);
   1164                 break;
   1165             case 16:
   1166                 mip565(alloc, lod, (RsAllocationCubemapFace)face);
   1167                 break;
   1168             case 8:
   1169                 mip8(alloc, lod, (RsAllocationCubemapFace)face);
   1170                 break;
   1171             }
   1172         }
   1173     }
   1174 }
   1175 
   1176 uint32_t rsdAllocationGrallocBits(const android::renderscript::Context *rsc,
   1177                                   android::renderscript::Allocation *alloc)
   1178 {
   1179     return 0;
   1180 }
   1181 
   1182