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 "rsCpuIntrinsic.h"
19 #include "rsCpuIntrinsicInlines.h"
20
21 namespace android {
22 namespace renderscript {
23
24
25 class RsdCpuScriptIntrinsicLUT : public RsdCpuScriptIntrinsic {
26 public:
27 void populateScript(Script *) override;
28 void invokeFreeChildren() override;
29
30 void setGlobalObj(uint32_t slot, ObjectBase *data) override;
31
32 ~RsdCpuScriptIntrinsicLUT() override;
33 RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
34
35 protected:
36 ObjectBaseRef<Allocation> lut;
37
38 static void kernel(const RsExpandKernelDriverInfo *info,
39 uint32_t xstart, uint32_t xend,
40 uint32_t outstep);
41 };
42
43
setGlobalObj(uint32_t slot,ObjectBase * data)44 void RsdCpuScriptIntrinsicLUT::setGlobalObj(uint32_t slot, ObjectBase *data) {
45 rsAssert(slot == 0);
46 lut.set(static_cast<Allocation *>(data));
47 }
48
49
kernel(const RsExpandKernelDriverInfo * info,uint32_t xstart,uint32_t xend,uint32_t outstep)50 void RsdCpuScriptIntrinsicLUT::kernel(const RsExpandKernelDriverInfo *info,
51 uint32_t xstart, uint32_t xend,
52 uint32_t outstep) {
53 RsdCpuScriptIntrinsicLUT *cp = (RsdCpuScriptIntrinsicLUT *)info->usr;
54
55 uchar *out = (uchar *)info->outPtr[0];
56 const uchar *in = (uchar *)info->inPtr[0];
57 uint32_t x1 = xstart;
58 uint32_t x2 = xend;
59
60 const uchar *tr = (const uchar *)cp->lut->mHal.drvState.lod[0].mallocPtr;
61 const uchar *tg = &tr[256];
62 const uchar *tb = &tg[256];
63 const uchar *ta = &tb[256];
64
65 while (x1 < x2) {
66 out[0] = tr[in[0]];
67 out[1] = tg[in[1]];
68 out[2] = tb[in[2]];
69 out[3] = ta[in[3]];
70 in += 4;
71 out += 4;
72 x1++;
73 }
74 }
75
RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)76 RsdCpuScriptIntrinsicLUT::RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx,
77 const Script *s, const Element *e)
78 : RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_LUT) {
79
80 mRootPtr = &kernel;
81 }
82
~RsdCpuScriptIntrinsicLUT()83 RsdCpuScriptIntrinsicLUT::~RsdCpuScriptIntrinsicLUT() {
84 }
85
populateScript(Script * s)86 void RsdCpuScriptIntrinsicLUT::populateScript(Script *s) {
87 s->mHal.info.exportedVariableCount = 1;
88 }
89
invokeFreeChildren()90 void RsdCpuScriptIntrinsicLUT::invokeFreeChildren() {
91 lut.clear();
92 }
93
rsdIntrinsic_LUT(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)94 RsdCpuScriptImpl * rsdIntrinsic_LUT(RsdCpuReferenceImpl *ctx,
95 const Script *s, const Element *e) {
96
97 return new RsdCpuScriptIntrinsicLUT(ctx, s, e);
98 }
99
100 } // namespace renderscript
101 } // namespace android
102