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/*
* Copyright (C) 2013 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 "rsCpuIntrinsic.h"
#include "rsCpuIntrinsicInlines.h"
using namespace android;
using namespace android::renderscript;
namespace android {
namespace renderscript {
class RsdCpuScriptIntrinsicHistogram : public RsdCpuScriptIntrinsic {
public:
void populateScript(Script *) override;
void invokeFreeChildren() override;
void setGlobalVar(uint32_t slot, const void *data, size_t dataLength) override;
void setGlobalObj(uint32_t slot, ObjectBase *data) override;
~RsdCpuScriptIntrinsicHistogram() override;
RsdCpuScriptIntrinsicHistogram(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
protected:
void preLaunch(uint32_t slot, const Allocation ** ains, uint32_t inLen,
Allocation * aout, const void * usr,
uint32_t usrLen, const RsScriptCall *sc);
void postLaunch(uint32_t slot, const Allocation ** ains, uint32_t inLen,
Allocation * aout, const void * usr,
uint32_t usrLen, const RsScriptCall *sc);
float mDot[4];
int mDotI[4];
int *mSums;
ObjectBaseRef<Allocation> mAllocOut;
static void kernelP1U4(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1U3(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1U2(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1U1(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1L4(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1L3(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1L2(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
static void kernelP1L1(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
};
}
}
void RsdCpuScriptIntrinsicHistogram::setGlobalObj(uint32_t slot, ObjectBase *data) {
rsAssert(slot == 1);
mAllocOut.set(static_cast<Allocation *>(data));
}
void RsdCpuScriptIntrinsicHistogram::setGlobalVar(uint32_t slot, const void *data, size_t dataLength) {
rsAssert(slot == 0);
rsAssert(dataLength == 16);
memcpy(mDot, data, 16);
mDotI[0] = (int)((mDot[0] * 256.f) + 0.5f);
mDotI[1] = (int)((mDot[1] * 256.f) + 0.5f);
mDotI[2] = (int)((mDot[2] * 256.f) + 0.5f);
mDotI[3] = (int)((mDot[3] * 256.f) + 0.5f);
}
void
RsdCpuScriptIntrinsicHistogram::preLaunch(uint32_t slot,
const Allocation ** ains,
uint32_t inLen, Allocation * aout,
const void * usr, uint32_t usrLen,
const RsScriptCall *sc) {
const uint32_t threads = mCtx->getThreadCount();
uint32_t vSize = mAllocOut->getType()->getElement()->getVectorSize();
switch (slot) {
case 0:
switch(vSize) {
case 1:
mRootPtr = &kernelP1U1;
break;
case 2:
mRootPtr = &kernelP1U2;
break;
case 3:
mRootPtr = &kernelP1U3;
vSize = 4;
break;
case 4:
mRootPtr = &kernelP1U4;
break;
}
break;
case 1:
switch(ains[0]->getType()->getElement()->getVectorSize()) {
case 1:
mRootPtr = &kernelP1L1;
break;
case 2:
mRootPtr = &kernelP1L2;
break;
case 3:
mRootPtr = &kernelP1L3;
break;
case 4:
mRootPtr = &kernelP1L4;
break;
}
break;
}
memset(mSums, 0, 256 * sizeof(int32_t) * threads * vSize);
}
void
RsdCpuScriptIntrinsicHistogram::postLaunch(uint32_t slot,
const Allocation ** ains,
uint32_t inLen, Allocation * aout,
const void * usr, uint32_t usrLen,
const RsScriptCall *sc) {
unsigned int *o = (unsigned int *)mAllocOut->mHal.drvState.lod[0].mallocPtr;
uint32_t threads = mCtx->getThreadCount();
uint32_t vSize = mAllocOut->getType()->getElement()->getVectorSize();
if (vSize == 3) vSize = 4;
for (uint32_t ct=0; ct < (256 * vSize); ct++) {
o[ct] = mSums[ct];
for (uint32_t t=1; t < threads; t++) {
o[ct] += mSums[ct + (256 * vSize * t)];
}
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1U4(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * 4 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
sums[(in[0] << 2) ] ++;
sums[(in[1] << 2) + 1] ++;
sums[(in[2] << 2) + 2] ++;
sums[(in[3] << 2) + 3] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1U3(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * 4 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
sums[(in[0] << 2) ] ++;
sums[(in[1] << 2) + 1] ++;
sums[(in[2] << 2) + 2] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1U2(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * 2 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
sums[(in[0] << 1) ] ++;
sums[(in[1] << 1) + 1] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1L4(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
int t = (cp->mDotI[0] * in[0]) +
(cp->mDotI[1] * in[1]) +
(cp->mDotI[2] * in[2]) +
(cp->mDotI[3] * in[3]);
sums[(t + 0x7f) >> 8] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1L3(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
int t = (cp->mDotI[0] * in[0]) +
(cp->mDotI[1] * in[1]) +
(cp->mDotI[2] * in[2]);
sums[(t + 0x7f) >> 8] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1L2(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
int t = (cp->mDotI[0] * in[0]) +
(cp->mDotI[1] * in[1]);
sums[(t + 0x7f) >> 8] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1L1(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
int t = (cp->mDotI[0] * in[0]);
sums[(t + 0x7f) >> 8] ++;
in += info->inStride[0];
}
}
void RsdCpuScriptIntrinsicHistogram::kernelP1U1(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicHistogram *cp = (RsdCpuScriptIntrinsicHistogram *)info->usr;
uchar *in = (uchar *)info->inPtr[0];
int * sums = &cp->mSums[256 * info->lid];
for (uint32_t x = xstart; x < xend; x++) {
sums[in[0]] ++;
in += info->inStride[0];
}
}
RsdCpuScriptIntrinsicHistogram::RsdCpuScriptIntrinsicHistogram(RsdCpuReferenceImpl *ctx,
const Script *s, const Element *e)
: RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_HISTOGRAM) {
mRootPtr = nullptr;
mSums = new int[256 * 4 * mCtx->getThreadCount()];
mDot[0] = 0.299f;
mDot[1] = 0.587f;
mDot[2] = 0.114f;
mDot[3] = 0;
mDotI[0] = (int)((mDot[0] * 256.f) + 0.5f);
mDotI[1] = (int)((mDot[1] * 256.f) + 0.5f);
mDotI[2] = (int)((mDot[2] * 256.f) + 0.5f);
mDotI[3] = (int)((mDot[3] * 256.f) + 0.5f);
}
RsdCpuScriptIntrinsicHistogram::~RsdCpuScriptIntrinsicHistogram() {
if (mSums) {
delete []mSums;
}
}
void RsdCpuScriptIntrinsicHistogram::populateScript(Script *s) {
s->mHal.info.exportedVariableCount = 2;
}
void RsdCpuScriptIntrinsicHistogram::invokeFreeChildren() {
}
RsdCpuScriptImpl * rsdIntrinsic_Histogram(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e) {
return new RsdCpuScriptIntrinsicHistogram(ctx, s, e);
}
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