1 /*
2 * Copyright (C) 2013 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 #ifdef RS_COMPATIBILITY_LIB
22 #include "rsCompatibilityLib.h"
23 #endif
24
25 #ifndef RS_COMPATIBILITY_LIB
26 #include "hardware/gralloc.h"
27 #endif
28
29 namespace android {
30 namespace renderscript {
31
32
33 class RsdCpuScriptIntrinsicYuvToRGB : public RsdCpuScriptIntrinsic {
34 public:
35 void populateScript(Script *) override;
36 void invokeFreeChildren() override;
37
38 void setGlobalObj(uint32_t slot, ObjectBase *data) override;
39
40 ~RsdCpuScriptIntrinsicYuvToRGB() override;
41 RsdCpuScriptIntrinsicYuvToRGB(RsdCpuReferenceImpl *ctx, const Script *s, const Element *e);
42
43 protected:
44 ObjectBaseRef<Allocation> alloc;
45
46 static void kernel(const RsExpandKernelDriverInfo *info,
47 uint32_t xstart, uint32_t xend,
48 uint32_t outstep);
49 };
50
51
setGlobalObj(uint32_t slot,ObjectBase * data)52 void RsdCpuScriptIntrinsicYuvToRGB::setGlobalObj(uint32_t slot, ObjectBase *data) {
53 rsAssert(slot == 0);
54 alloc.set(static_cast<Allocation *>(data));
55 }
56
57
58
59
rsYuvToRGBA_uchar4(uchar y,uchar u,uchar v)60 static uchar4 rsYuvToRGBA_uchar4(uchar y, uchar u, uchar v) {
61 short Y = ((short)y) - 16;
62 short U = ((short)u) - 128;
63 short V = ((short)v) - 128;
64
65 short4 p;
66 p.x = (Y * 298 + V * 409 + 128) >> 8;
67 p.y = (Y * 298 - U * 100 - V * 208 + 128) >> 8;
68 p.z = (Y * 298 + U * 516 + 128) >> 8;
69 p.w = 255;
70 if(p.x < 0) {
71 p.x = 0;
72 }
73 if(p.x > 255) {
74 p.x = 255;
75 }
76 if(p.y < 0) {
77 p.y = 0;
78 }
79 if(p.y > 255) {
80 p.y = 255;
81 }
82 if(p.z < 0) {
83 p.z = 0;
84 }
85 if(p.z > 255) {
86 p.z = 255;
87 }
88
89 return (uchar4){static_cast<uchar>(p.x), static_cast<uchar>(p.y),
90 static_cast<uchar>(p.z), static_cast<uchar>(p.w)};
91 }
92
93
94 extern "C" void rsdIntrinsicYuv_K(void *dst, const uchar *Y, const uchar *uv, uint32_t xstart, size_t xend);
95 extern "C" void rsdIntrinsicYuvR_K(void *dst, const uchar *Y, const uchar *uv, uint32_t xstart, size_t xend);
96 extern "C" void rsdIntrinsicYuv2_K(void *dst, const uchar *Y, const uchar *u, const uchar *v, size_t xstart, size_t xend);
97
kernel(const RsExpandKernelDriverInfo * info,uint32_t xstart,uint32_t xend,uint32_t outstep)98 void RsdCpuScriptIntrinsicYuvToRGB::kernel(const RsExpandKernelDriverInfo *info,
99 uint32_t xstart, uint32_t xend,
100 uint32_t outstep) {
101 RsdCpuScriptIntrinsicYuvToRGB *cp = (RsdCpuScriptIntrinsicYuvToRGB *)info->usr;
102 if (!cp->alloc.get()) {
103 ALOGE("YuvToRGB executed without input, skipping");
104 return;
105 }
106 const uchar *pinY = (const uchar *)cp->alloc->mHal.drvState.lod[0].mallocPtr;
107 if (pinY == nullptr) {
108 ALOGE("YuvToRGB executed without data, skipping");
109 return;
110 }
111
112 size_t strideY = cp->alloc->mHal.drvState.lod[0].stride;
113
114 // calculate correct stride in legacy case
115 if (cp->alloc->mHal.drvState.lod[0].dimY == 0) {
116 strideY = info->dim.x;
117 }
118 const uchar *Y = pinY + (info->current.y * strideY);
119
120 uchar4 *out = (uchar4 *)info->outPtr[0] + xstart;
121 uint32_t x1 = xstart;
122 uint32_t x2 = xend;
123
124 size_t cstep = cp->alloc->mHal.drvState.yuv.step;
125
126 const uchar *pinU = (const uchar *)cp->alloc->mHal.drvState.lod[1].mallocPtr;
127 const size_t strideU = cp->alloc->mHal.drvState.lod[1].stride;
128 const uchar *u = pinU + ((info->current.y >> 1) * strideU);
129
130 const uchar *pinV = (const uchar *)cp->alloc->mHal.drvState.lod[2].mallocPtr;
131 const size_t strideV = cp->alloc->mHal.drvState.lod[2].stride;
132 const uchar *v = pinV + ((info->current.y >> 1) * strideV);
133
134 //ALOGE("pinY, %p, Y, %p, info->current.y, %d, strideY, %d", pinY, Y, info->current.y, strideY);
135 //ALOGE("pinU, %p, U, %p, info->current.y, %d, strideU, %d", pinU, u, info->current.y, strideU);
136 //ALOGE("pinV, %p, V, %p, info->current.y, %d, strideV, %d", pinV, v, info->current.y, strideV);
137 //ALOGE("dimX, %d, dimY, %d", cp->alloc->mHal.drvState.lod[0].dimX, cp->alloc->mHal.drvState.lod[0].dimY);
138 //ALOGE("info->dim.x, %d, info->dim.y, %d", info->dim.x, info->dim.y);
139
140 if (pinU == nullptr) {
141 // Legacy yuv support didn't fill in uv
142 v = ((uint8_t *)cp->alloc->mHal.drvState.lod[0].mallocPtr) +
143 (strideY * info->dim.y) +
144 ((info->current.y >> 1) * strideY);
145 u = v + 1;
146 cstep = 2;
147 }
148
149 /* If we start on an odd pixel then deal with it here and bump things along
150 * so that subsequent code can carry on with even-odd pairing assumptions.
151 */
152 if((x1 & 1) && (x2 > x1)) {
153 int cx = (x1 >> 1) * cstep;
154 *out = rsYuvToRGBA_uchar4(Y[x1], u[cx], v[cx]);
155 out++;
156 x1++;
157 }
158
159 #if defined(ARCH_ARM_USE_INTRINSICS)
160 if((x2 > x1) && gArchUseSIMD) {
161 int32_t len = x2 - x1;
162 if (cstep == 1) {
163 rsdIntrinsicYuv2_K(info->outPtr[0], Y, u, v, x1, x2);
164 x1 += len;
165 out += len;
166 } else if (cstep == 2) {
167 // Check for proper interleave
168 intptr_t ipu = (intptr_t)u;
169 intptr_t ipv = (intptr_t)v;
170
171 if (ipu == (ipv + 1)) {
172 rsdIntrinsicYuv_K(info->outPtr[0], Y, v, x1, x2);
173 x1 += len;
174 out += len;
175 } else if (ipu == (ipv - 1)) {
176 rsdIntrinsicYuvR_K(info->outPtr[0], Y, u, x1, x2);
177 x1 += len;
178 out += len;
179 }
180 }
181 }
182 #endif
183
184 if(x2 > x1) {
185 // ALOGE("y %i %i %i", info->current.y, x1, x2);
186 while(x1 < x2) {
187 int cx = (x1 >> 1) * cstep;
188 *out = rsYuvToRGBA_uchar4(Y[x1], u[cx], v[cx]);
189 out++;
190 x1++;
191 *out = rsYuvToRGBA_uchar4(Y[x1], u[cx], v[cx]);
192 out++;
193 x1++;
194 }
195 }
196
197 }
198
RsdCpuScriptIntrinsicYuvToRGB(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)199 RsdCpuScriptIntrinsicYuvToRGB::RsdCpuScriptIntrinsicYuvToRGB(
200 RsdCpuReferenceImpl *ctx, const Script *s, const Element *e)
201 : RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_YUV_TO_RGB) {
202
203 mRootPtr = &kernel;
204 }
205
~RsdCpuScriptIntrinsicYuvToRGB()206 RsdCpuScriptIntrinsicYuvToRGB::~RsdCpuScriptIntrinsicYuvToRGB() {
207 }
208
populateScript(Script * s)209 void RsdCpuScriptIntrinsicYuvToRGB::populateScript(Script *s) {
210 s->mHal.info.exportedVariableCount = 1;
211 }
212
invokeFreeChildren()213 void RsdCpuScriptIntrinsicYuvToRGB::invokeFreeChildren() {
214 alloc.clear();
215 }
216
rsdIntrinsic_YuvToRGB(RsdCpuReferenceImpl * ctx,const Script * s,const Element * e)217 RsdCpuScriptImpl * rsdIntrinsic_YuvToRGB(RsdCpuReferenceImpl *ctx,
218 const Script *s, const Element *e) {
219 return new RsdCpuScriptIntrinsicYuvToRGB(ctx, s, e);
220 }
221
222 } // namespace renderscript
223 } // namespace android
224