/*
* 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 RsdCpuScriptIntrinsicConvolve5x5 : public RsdCpuScriptIntrinsic {
public:
virtual void populateScript(Script *);
virtual void invokeFreeChildren();
virtual void setGlobalVar(uint32_t slot, const void *data, size_t dataLength);
virtual void setGlobalObj(uint32_t slot, ObjectBase *data);
virtual ~RsdCpuScriptIntrinsicConvolve5x5();
RsdCpuScriptIntrinsicConvolve5x5(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
protected:
float fp[28];
short ip[28];
ObjectBaseRef<Allocation> alloc;
static void kernel(const RsForEachStubParamStruct *p,
uint32_t xstart, uint32_t xend,
uint32_t instep, uint32_t outstep);
};
}
}
void RsdCpuScriptIntrinsicConvolve5x5::setGlobalObj(uint32_t slot, ObjectBase *data) {
rsAssert(slot == 1);
alloc.set(static_cast<Allocation *>(data));
}
void RsdCpuScriptIntrinsicConvolve5x5::setGlobalVar(uint32_t slot,
const void *data, size_t dataLength) {
rsAssert(slot == 0);
memcpy (&fp, data, dataLength);
for(int ct=0; ct < 25; ct++) {
ip[ct] = (short)(fp[ct] * 255.f);
}
}
static void One(const RsForEachStubParamStruct *p, uint32_t x, uchar4 *out,
const uchar4 *py0, const uchar4 *py1, const uchar4 *py2, const uchar4 *py3, const uchar4 *py4,
const float* coeff) {
uint32_t x0 = rsMax((int32_t)x-2, 0);
uint32_t x1 = rsMax((int32_t)x-1, 0);
uint32_t x2 = x;
uint32_t x3 = rsMin((int32_t)x+1, (int32_t)(p->dimX-1));
uint32_t x4 = rsMin((int32_t)x+2, (int32_t)(p->dimX-1));
float4 px = convert_float4(py0[x0]) * coeff[0] +
convert_float4(py0[x1]) * coeff[1] +
convert_float4(py0[x2]) * coeff[2] +
convert_float4(py0[x3]) * coeff[3] +
convert_float4(py0[x4]) * coeff[4] +
convert_float4(py1[x0]) * coeff[5] +
convert_float4(py1[x1]) * coeff[6] +
convert_float4(py1[x2]) * coeff[7] +
convert_float4(py1[x3]) * coeff[8] +
convert_float4(py1[x4]) * coeff[9] +
convert_float4(py2[x0]) * coeff[10] +
convert_float4(py2[x1]) * coeff[11] +
convert_float4(py2[x2]) * coeff[12] +
convert_float4(py2[x3]) * coeff[13] +
convert_float4(py2[x4]) * coeff[14] +
convert_float4(py3[x0]) * coeff[15] +
convert_float4(py3[x1]) * coeff[16] +
convert_float4(py3[x2]) * coeff[17] +
convert_float4(py3[x3]) * coeff[18] +
convert_float4(py3[x4]) * coeff[19] +
convert_float4(py4[x0]) * coeff[20] +
convert_float4(py4[x1]) * coeff[21] +
convert_float4(py4[x2]) * coeff[22] +
convert_float4(py4[x3]) * coeff[23] +
convert_float4(py4[x4]) * coeff[24];
px = clamp(px, 0.f, 255.f);
uchar4 o = {(uchar)px.x, (uchar)px.y, (uchar)px.z, (uchar)px.w};
//if ((out[0].r != o.r) || (out[0].y != o.y) || (out[0].z != o.z) || (out[0].w != o.w)) {
//ALOGE("x %i %i,%i,%i,%i %i,%i,%i,%i", x, o.x, o.y, o.z, o.w, out[0].x, out[0].y, out[0].z, out[0].w);
//}
//o.w = 0xff;
out->xyzw = o.xyzw;
}
extern "C" void rsdIntrinsicConvolve5x5_K(void *dst, const void *y0, const void *y1,
const void *y2, const void *y3, const void *y4,
const short *coef, uint32_t count);
void RsdCpuScriptIntrinsicConvolve5x5::kernel(const RsForEachStubParamStruct *p,
uint32_t xstart, uint32_t xend,
uint32_t instep, uint32_t outstep) {
RsdCpuScriptIntrinsicConvolve5x5 *cp = (RsdCpuScriptIntrinsicConvolve5x5 *)p->usr;
if (!cp->alloc.get()) {
ALOGE("Convolve5x5 executed without input, skipping");
return;
}
const uchar *pin = (const uchar *)cp->alloc->mHal.drvState.lod[0].mallocPtr;
const size_t stride = cp->alloc->mHal.drvState.lod[0].stride;
uint32_t y0 = rsMax((int32_t)p->y-2, 0);
uint32_t y1 = rsMax((int32_t)p->y-1, 0);
uint32_t y2 = p->y;
uint32_t y3 = rsMin((int32_t)p->y+1, (int32_t)(p->dimY-1));
uint32_t y4 = rsMin((int32_t)p->y+2, (int32_t)(p->dimY-1));
const uchar4 *py0 = (const uchar4 *)(pin + stride * y0);
const uchar4 *py1 = (const uchar4 *)(pin + stride * y1);
const uchar4 *py2 = (const uchar4 *)(pin + stride * y2);
const uchar4 *py3 = (const uchar4 *)(pin + stride * y3);
const uchar4 *py4 = (const uchar4 *)(pin + stride * y4);
uchar4 *out = (uchar4 *)p->out;
uint32_t x1 = xstart;
uint32_t x2 = xend;
while((x1 < x2) && (x1 < 2)) {
One(p, x1, out, py0, py1, py2, py3, py4, cp->fp);
out++;
x1++;
}
#if defined(ARCH_ARM_HAVE_NEON)
if((x1 + 3) < x2) {
uint32_t len = (x2 - x1 - 3) >> 1;
rsdIntrinsicConvolve5x5_K(out, py0, py1, py2, py3, py4, cp->ip, len);
out += len << 1;
x1 += len << 1;
}
#endif
while(x1 < x2) {
One(p, x1, out, py0, py1, py2, py3, py4, cp->fp);
out++;
x1++;
}
}
RsdCpuScriptIntrinsicConvolve5x5::RsdCpuScriptIntrinsicConvolve5x5(
RsdCpuReferenceImpl *ctx, const Script *s, const Element *e)
: RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_CONVOLVE_5x5) {
mRootPtr = &kernel;
for(int ct=0; ct < 25; ct++) {
fp[ct] = 1.f / 25.f;
ip[ct] = (short)(fp[ct] * 255.f);
}
}
RsdCpuScriptIntrinsicConvolve5x5::~RsdCpuScriptIntrinsicConvolve5x5() {
}
void RsdCpuScriptIntrinsicConvolve5x5::populateScript(Script *s) {
s->mHal.info.exportedVariableCount = 2;
}
void RsdCpuScriptIntrinsicConvolve5x5::invokeFreeChildren() {
alloc.clear();
}
RsdCpuScriptImpl * rsdIntrinsic_Convolve5x5(RsdCpuReferenceImpl *ctx,
const Script *s, const Element *e) {
return new RsdCpuScriptIntrinsicConvolve5x5(ctx, s, e);
}