1 /*
2 * Copyright (C) 2012 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
18 #include "rsdCore.h"
19 #include "rsdIntrinsics.h"
20 #include "rsdAllocation.h"
21
22 #include "rsdIntrinsicInlines.h"
23
24 using namespace android;
25 using namespace android::renderscript;
26
27 struct ConvolveParams {
28 ObjectBaseRef<Allocation> lut;
29 };
30
LUT_Bind(const Context * dc,const Script * script,void * intrinsicData,uint32_t slot,Allocation * data)31 static void LUT_Bind(const Context *dc, const Script *script,
32 void * intrinsicData, uint32_t slot, Allocation *data) {
33 ConvolveParams *cp = (ConvolveParams *)intrinsicData;
34 rsAssert(slot == 0);
35 cp->lut.set(data);
36 }
37
LUT_uchar4(const RsForEachStubParamStruct * p,uint32_t xstart,uint32_t xend,uint32_t instep,uint32_t outstep)38 static void LUT_uchar4(const RsForEachStubParamStruct *p,
39 uint32_t xstart, uint32_t xend,
40 uint32_t instep, uint32_t outstep) {
41 ConvolveParams *cp = (ConvolveParams *)p->usr;
42 uchar4 *out = (uchar4 *)p->out;
43 uchar4 *in = (uchar4 *)p->in;
44 uint32_t x1 = xstart;
45 uint32_t x2 = xend;
46
47 DrvAllocation *din = (DrvAllocation *)cp->lut->mHal.drv;
48 const uchar *tr = (const uchar *)din->lod[0].mallocPtr;
49 const uchar *tg = &tr[256];
50 const uchar *tb = &tg[256];
51 const uchar *ta = &tb[256];
52
53 while (x1 < x2) {
54 uchar4 p = *in;
55 uchar4 o = {tr[p.x], tg[p.y], tb[p.z], ta[p.w]};
56 *out = o;
57 in++;
58 out++;
59 x1++;
60 }
61 }
62
rsdIntrinsic_InitLUT(const android::renderscript::Context * dc,android::renderscript::Script * script,RsdIntriniscFuncs_t * funcs)63 void * rsdIntrinsic_InitLUT(const android::renderscript::Context *dc,
64 android::renderscript::Script *script,
65 RsdIntriniscFuncs_t *funcs) {
66
67 script->mHal.info.exportedVariableCount = 1;
68 funcs->setVarObj = LUT_Bind;
69 funcs->root = LUT_uchar4;
70 ConvolveParams *cp = (ConvolveParams *)calloc(1, sizeof(ConvolveParams));
71 return cp;
72 }
73
74
75