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Diffstat (limited to 'libs/rs/rsType.cpp')
| -rw-r--r-- | libs/rs/rsType.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/libs/rs/rsType.cpp b/libs/rs/rsType.cpp new file mode 100644 index 0000000..6b99820 --- /dev/null +++ b/libs/rs/rsType.cpp @@ -0,0 +1,229 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "rsContext.h" + +using namespace android; +using namespace android::renderscript; + +Type::Type() +{ + mLODs = 0; + mLODCount = 0; + clear(); +} + +Type::~Type() +{ + if (mLODs) { + delete [] mLODs; + } +} + +void Type::clear() +{ + if (mLODs) { + delete [] mLODs; + mLODs = NULL; + } + mDimX = 0; + mDimY = 0; + mDimZ = 0; + mDimLOD = 0; + mFaces = false; + mElement.clear(); +} + +TypeState::TypeState() +{ +} + +TypeState::~TypeState() +{ +} + +size_t Type::getOffsetForFace(uint32_t face) const +{ + rsAssert(mFaces); + return 0; +} + +void Type::compute() +{ + //LOGE("compute"); + uint32_t oldLODCount = mLODCount; + if (mDimLOD) { + uint32_t l2x = rsFindHighBit(mDimX) + 1; + uint32_t l2y = rsFindHighBit(mDimY) + 1; + uint32_t l2z = rsFindHighBit(mDimZ) + 1; + + mLODCount = rsMax(l2x, l2y); + mLODCount = rsMax(mLODCount, l2z); + } else { + mLODCount = 1; + } + if (mLODCount != oldLODCount) { + delete [] mLODs; + mLODs = new LOD[mLODCount]; + } + + //LOGE("xyz %i %i %i", mDimX, mDimY, mDimZ); + //LOGE("mips %i", mLODCount); + //LOGE("e size %i", mElement->getSizeBytes()); + uint32_t tx = mDimX; + uint32_t ty = mDimY; + uint32_t tz = mDimZ; + size_t offset = 0; + for (uint32_t lod=0; lod < mLODCount; lod++) { + mLODs[lod].mX = tx; + mLODs[lod].mY = ty; + mLODs[lod].mZ = tz; + mLODs[lod].mOffset = offset; + //LOGE("txyz %i %i %i", tx, ty, tz); + offset += tx * rsMax(ty, 1u) * rsMax(tz, 1u) * mElement->getSizeBytes(); + tx >>= 1; + ty >>= 1; + tz >>= 1; + } + + //LOGE("size %i", offset); + + // At this point the offset is the size of a mipmap chain; + mMipChainSizeBytes = offset; + + if (mFaces) { + offset *= 6; + } + mTotalSizeBytes = offset; + +} + +uint32_t Type::getLODOffset(uint32_t lod, uint32_t x) const +{ + uint32_t offset = mLODs[lod].mOffset; + offset += x * mElement->getSizeBytes(); + return offset; +} + +uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const +{ + uint32_t offset = mLODs[lod].mOffset; + offset += (x + y * mLODs[lod].mX) * mElement->getSizeBytes(); + return offset; +} + +uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const +{ + uint32_t offset = mLODs[lod].mOffset; + offset += (x + y*mLODs[lod].mX + z*mLODs[lod].mX*mLODs[lod].mY) * mElement->getSizeBytes(); + return offset; +} + + +////////////////////////////////////////////////// +// +namespace android { +namespace renderscript { + +void rsi_TypeBegin(Context *rsc, RsElement vse) +{ + TypeState * stc = &rsc->mStateType; + + stc->mX = 0; + stc->mY = 0; + stc->mZ = 0; + stc->mLOD = false; + stc->mFaces = false; + stc->mElement.set(static_cast<const Element *>(vse)); +} + +void rsi_TypeAdd(Context *rsc, RsDimension dim, size_t value) +{ + TypeState * stc = &rsc->mStateType; + + if (dim < 0) { + //error + return; + } + + + switch (dim) { + case RS_DIMENSION_X: + stc->mX = value; + return; + case RS_DIMENSION_Y: + stc->mY = value; + return; + case RS_DIMENSION_Z: + stc->mZ = value; + return; + case RS_DIMENSION_FACE: + stc->mFaces = (value != 0); + return; + case RS_DIMENSION_LOD: + stc->mLOD = (value != 0); + return; + default: + break; + } + + + int32_t arrayNum = dim - RS_DIMENSION_ARRAY_0; + if ((dim < 0) || (dim > RS_DIMENSION_MAX)) { + LOGE("rsTypeAdd: Bad dimension"); + //error + return; + } + + // todo: implement array support + +} + +RsType rsi_TypeCreate(Context *rsc) +{ + TypeState * stc = &rsc->mStateType; + + Type * st = new Type(); + st->setDimX(stc->mX); + st->setDimY(stc->mY); + st->setDimZ(stc->mZ); + st->setElement(stc->mElement.get()); + st->setDimLOD(stc->mLOD); + st->setDimFaces(stc->mFaces); + st->compute(); + + stc->mAllTypes.add(st); + + return st; +} + +void rsi_TypeDestroy(Context *rsc, RsType vst) +{ + TypeState * stc = &rsc->mStateType; + Type * st = static_cast<Type *>(vst); + + for (size_t ct = 0; ct < stc->mAllTypes.size(); ct++) { + if (stc->mAllTypes[ct] == st) { + stc->mAllTypes.removeAt(ct); + break; + } + } + delete st; +} + +} +} + |