Type.cpp revision 7758a5b899bc8d230aff12e15c3283ea8c248609 
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#include <malloc.h>
18#include <string.h>
19
20#include "RenderScript.h"
21#include "rsCppInternal.h"
22
23// from system/graphics.h
24enum {
25    HAL_PIXEL_FORMAT_YV12   = 0x32315659, // YCrCb 4:2:0 Planar
26    HAL_PIXEL_FORMAT_YCrCb_420_SP       = 0x11, // NV21
27};
28
29using namespace android;
30using namespace RSC;
31
32void Type::calcElementCount() {
33    bool hasLod = hasMipmaps();
34    uint32_t x = getX();
35    uint32_t y = getY();
36    uint32_t z = getZ();
37    uint32_t faces = 1;
38    if (hasFaces()) {
39        faces = 6;
40    }
41    if (x == 0) {
42        x = 1;
43    }
44    if (y == 0) {
45        y = 1;
46    }
47    if (z == 0) {
48        z = 1;
49    }
50
51    uint32_t count = x * y * z * faces;
52    while (hasLod && ((x > 1) || (y > 1) || (z > 1))) {
53        if(x > 1) {
54            x >>= 1;
55        }
56        if(y > 1) {
57            y >>= 1;
58        }
59        if(z > 1) {
60            z >>= 1;
61        }
62
63        count += x * y * z * faces;
64    }
65    mElementCount = count;
66}
67
68
69Type::Type(void *id, sp<RS> rs) : BaseObj(id, rs) {
70    mDimX = 0;
71    mDimY = 0;
72    mDimZ = 0;
73    mDimMipmaps = false;
74    mDimFaces = false;
75    mElement = NULL;
76    mYuvFormat = RS_YUV_NONE;
77}
78
79void Type::updateFromNative() {
80    // We have 6 integer to obtain mDimX; mDimY; mDimZ;
81    // mDimLOD; mDimFaces; mElement;
82
83    /*
84    int[] dataBuffer = new int[6];
85    mRS.nTypeGetNativeData(getID(), dataBuffer);
86
87    mDimX = dataBuffer[0];
88    mDimY = dataBuffer[1];
89    mDimZ = dataBuffer[2];
90    mDimMipmaps = dataBuffer[3] == 1 ? true : false;
91    mDimFaces = dataBuffer[4] == 1 ? true : false;
92
93    int elementID = dataBuffer[5];
94    if(elementID != 0) {
95        mElement = new Element(elementID, mRS);
96        mElement.updateFromNative();
97    }
98    calcElementCount();
99    */
100}
101
102sp<const Type> Type::create(sp<RS> rs, sp<const Element> e, uint32_t dimX, uint32_t dimY, uint32_t dimZ) {
103    void * id = RS::dispatch->TypeCreate(rs->getContext(), e->getID(), dimX, dimY, dimZ, false, false, 0);
104    Type *t = new Type(id, rs);
105
106    t->mElement = e;
107    t->mDimX = dimX;
108    t->mDimY = dimY;
109    t->mDimZ = dimZ;
110    t->mDimMipmaps = false;
111    t->mDimFaces = false;
112
113    t->calcElementCount();
114
115    return t;
116}
117
118Type::Builder::Builder(sp<RS> rs, sp<const Element> e) {
119    mRS = rs.get();
120    mElement = e;
121    mDimX = 0;
122    mDimY = 0;
123    mDimZ = 0;
124    mDimMipmaps = false;
125    mDimFaces = false;
126}
127
128void Type::Builder::setX(uint32_t value) {
129    if(value < 1) {
130        ALOGE("Values of less than 1 for Dimension X are not valid.");
131    }
132    mDimX = value;
133}
134
135void Type::Builder::setY(uint32_t value) {
136    if(value < 1) {
137        ALOGE("Values of less than 1 for Dimension Y are not valid.");
138    }
139    mDimY = value;
140}
141
142void Type::Builder::setZ(uint32_t value) {
143    if(value < 1) {
144        ALOGE("Values of less than 1 for Dimension Z are not valid.");
145    }
146    mDimZ = value;
147}
148
149void Type::Builder::setYuvFormat(RSYuvFormat format) {
150    if (format != RS_YUV_NONE && !(mElement->isCompatible(Element::YUV(mRS)))) {
151        ALOGE("Invalid element for use with YUV.");
152        return;
153    }
154
155    if (format >= RS_YUV_MAX) {
156        ALOGE("Invalid YUV format.");
157        return;
158    }
159    mYuvFormat = format;
160}
161
162
163void Type::Builder::setMipmaps(bool value) {
164    mDimMipmaps = value;
165}
166
167void Type::Builder::setFaces(bool value) {
168    mDimFaces = value;
169}
170
171sp<const Type> Type::Builder::create() {
172    if (mDimZ > 0) {
173        if ((mDimX < 1) || (mDimY < 1)) {
174            ALOGE("Both X and Y dimension required when Z is present.");
175        }
176        if (mDimFaces) {
177            ALOGE("Cube maps not supported with 3D types.");
178        }
179    }
180    if (mDimY > 0) {
181        if (mDimX < 1) {
182            ALOGE("X dimension required when Y is present.");
183        }
184    }
185    if (mDimFaces) {
186        if (mDimY < 1) {
187            ALOGE("Cube maps require 2D Types.");
188        }
189    }
190
191    uint32_t nativeYuv;
192    switch(mYuvFormat) {
193    case(RS_YUV_YV12):
194        nativeYuv = HAL_PIXEL_FORMAT_YV12;
195        break;
196    case (RS_YUV_NV21):
197        nativeYuv = HAL_PIXEL_FORMAT_YCrCb_420_SP;
198        break;
199    default:
200        nativeYuv = 0;
201    }
202
203    void * id = RS::dispatch->TypeCreate(mRS->getContext(), mElement->getID(), mDimX, mDimY, mDimZ,
204                                         mDimMipmaps, mDimFaces, 0);
205    Type *t = new Type(id, mRS);
206    t->mElement = mElement;
207    t->mDimX = mDimX;
208    t->mDimY = mDimY;
209    t->mDimZ = mDimZ;
210    t->mDimMipmaps = mDimMipmaps;
211    t->mDimFaces = mDimFaces;
212
213    t->calcElementCount();
214    return t;
215}
216
217