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 using namespace android;
22 using namespace android::renderscript;
23
24 namespace android {
25 namespace renderscript {
26
27
28 class RsdCpuScriptIntrinsicLUT : public RsdCpuScriptIntrinsic {
29 public:
30 void populateScript(Script *) override;
31 void invokeFreeChildren() override;
32
33 void setGlobalObj(uint32_t slot, ObjectBase *data) override;
34
35 ~RsdCpuScriptIntrinsicLUT() override;
36 RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
37
38 protected:
39 ObjectBaseRef<Allocation> lut;
40
41 static void kernel(const RsExpandKernelDriverInfo *info,
42 uint32_t xstart, uint32_t xend,
43 uint32_t outstep);
44 };
45
46 }
47 }
48
49
setGlobalObj(uint32_t slot,ObjectBase * data)50 void RsdCpuScriptIntrinsicLUT::setGlobalObj(uint32_t slot, ObjectBase *data) {
51 rsAssert(slot == 0);
52 lut.set(static_cast<Allocation *>(data));
53 }
54
55
kernel(const RsExpandKernelDriverInfo * info,uint32_t xstart,uint32_t xend,uint32_t outstep)56 void RsdCpuScriptIntrinsicLUT::kernel(const RsExpandKernelDriverInfo *info,
57 uint32_t xstart, uint32_t xend,
58 uint32_t outstep) {
59 RsdCpuScriptIntrinsicLUT *cp = (RsdCpuScriptIntrinsicLUT *)info->usr;
60
61 uchar *out = (uchar *)info->outPtr[0];
62 const uchar *in = (uchar *)info->inPtr[0];
63 uint32_t x1 = xstart;
64 uint32_t x2 = xend;
65
66 const uchar *tr = (const uchar *)cp->lut->mHal.drvState.lod[0].mallocPtr;
67 const uchar *tg = &tr[256];
68 const uchar *tb = &tg[256];
69 const uchar *ta = &tb[256];
70
71 while (x1 < x2) {
72 out[0] = tr[in[0]];
73 out[1] = tg[in[1]];
74 out[2] = tb[in[2]];
75 out[3] = ta[in[3]];
76 in += 4;
77 out += 4;
78 x1++;
79 }
80 }
81
RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)82 RsdCpuScriptIntrinsicLUT::RsdCpuScriptIntrinsicLUT(RsdCpuReferenceImpl *ctx,
83 const Script *s, const Element *e)
84 : RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_LUT) {
85
86 mRootPtr = &kernel;
87 }
88
~RsdCpuScriptIntrinsicLUT()89 RsdCpuScriptIntrinsicLUT::~RsdCpuScriptIntrinsicLUT() {
90 }
91
populateScript(Script * s)92 void RsdCpuScriptIntrinsicLUT::populateScript(Script *s) {
93 s->mHal.info.exportedVariableCount = 1;
94 }
95
invokeFreeChildren()96 void RsdCpuScriptIntrinsicLUT::invokeFreeChildren() {
97 lut.clear();
98 }
99
100
rsdIntrinsic_LUT(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)101 RsdCpuScriptImpl * rsdIntrinsic_LUT(RsdCpuReferenceImpl *ctx,
102 const Script *s, const Element *e) {
103
104 return new RsdCpuScriptIntrinsicLUT(ctx, s, e);
105 }
106