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/*
* Copyright (C) 2012 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 RsdCpuScriptIntrinsicLUT : public RsdCpuScriptIntrinsic {
public:
void populateScript(Script *) override;
void invokeFreeChildren() override;
void setGlobalObj(uint32_t slot, ObjectBase *data) override;
~RsdCpuScriptIntrinsicLUT() override;
RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
protected:
ObjectBaseRef<Allocation> lut;
static void kernel(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep);
};
}
}
void RsdCpuScriptIntrinsicLUT::setGlobalObj(uint32_t slot, ObjectBase *data) {
rsAssert(slot == 0);
lut.set(static_cast<Allocation *>(data));
}
void RsdCpuScriptIntrinsicLUT::kernel(const RsExpandKernelDriverInfo *info,
uint32_t xstart, uint32_t xend,
uint32_t outstep) {
RsdCpuScriptIntrinsicLUT *cp = (RsdCpuScriptIntrinsicLUT *)info->usr;
uchar *out = (uchar *)info->outPtr[0];
const uchar *in = (uchar *)info->inPtr[0];
uint32_t x1 = xstart;
uint32_t x2 = xend;
const uchar *tr = (const uchar *)cp->lut->mHal.drvState.lod[0].mallocPtr;
const uchar *tg = &tr[256];
const uchar *tb = &tg[256];
const uchar *ta = &tb[256];
while (x1 < x2) {
out[0] = tr[in[0]];
out[1] = tg[in[1]];
out[2] = tb[in[2]];
out[3] = ta[in[3]];
in += 4;
out += 4;
x1++;
}
}
RsdCpuScriptIntrinsicLUT::RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx,
const Script *s, const Element *e)
: RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_LUT) {
mRootPtr = &kernel;
}
RsdCpuScriptIntrinsicLUT::~RsdCpuScriptIntrinsicLUT() {
}
void RsdCpuScriptIntrinsicLUT::populateScript(Script *s) {
s->mHal.info.exportedVariableCount = 1;
}
void RsdCpuScriptIntrinsicLUT::invokeFreeChildren() {
lut.clear();
}
RsdCpuScriptImpl * rsdIntrinsic_LUT(RsdCpuReferenceImpl *ctx,
const Script *s, const Element *e) {
return new RsdCpuScriptIntrinsicLUT(ctx, s, e);
}
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