rsAllocation.cpp revision 992a0b70d8fd7a14f0c57bc3c7e16c1f269a6609 
1/*
2 * Copyright (C) 2009 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 "rsContext.h"
18
19#include <GLES/gl.h>
20#include <GLES/glext.h>
21
22using namespace android;
23using namespace android::renderscript;
24
25Allocation::Allocation(const Type *type)
26{
27    mPtr = NULL;
28
29    mCpuWrite = false;
30    mCpuRead = false;
31    mGpuWrite = false;
32    mGpuRead = false;
33
34    mReadWriteRatio = 0;
35    mUpdateSize = 0;
36
37    mIsTexture = false;
38    mTextureID = 0;
39
40    mIsVertexBuffer = false;
41    mBufferID = 0;
42
43    mType.set(type);
44    mPtr = malloc(mType->getSizeBytes());
45    if (!mPtr) {
46        LOGE("Allocation::Allocation, alloc failure");
47    }
48
49}
50
51Allocation::~Allocation()
52{
53}
54
55void Allocation::setCpuWritable(bool)
56{
57}
58
59void Allocation::setGpuWritable(bool)
60{
61}
62
63void Allocation::setCpuReadable(bool)
64{
65}
66
67void Allocation::setGpuReadable(bool)
68{
69}
70
71bool Allocation::fixAllocation()
72{
73    return false;
74}
75
76void Allocation::uploadToTexture(uint32_t lodOffset)
77{
78    //rsAssert(!mTextureId);
79    rsAssert(lodOffset < mType->getLODCount());
80
81    GLenum type = mType->getElement()->getGLType();
82    GLenum format = mType->getElement()->getGLFormat();
83
84    if (!type || !format) {
85        return;
86    }
87
88    if (!mTextureID) {
89        glGenTextures(1, &mTextureID);
90    }
91    glBindTexture(GL_TEXTURE_2D, mTextureID);
92
93    Adapter2D adapt(this);
94    for(uint32_t lod = 0; (lod + lodOffset) < mType->getLODCount(); lod++) {
95        adapt.setLOD(lod+lodOffset);
96
97        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
98        glTexImage2D(GL_TEXTURE_2D, lod, format,
99                     adapt.getDimX(), adapt.getDimY(),
100                     0, format, type, ptr);
101    }
102}
103
104void Allocation::uploadToBufferObject()
105{
106    rsAssert(!mType->getDimY());
107    rsAssert(!mType->getDimZ());
108
109    if (!mBufferID) {
110        glGenBuffers(1, &mBufferID);
111    }
112    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
113    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
114    glBindBuffer(GL_ARRAY_BUFFER, 0);
115}
116
117void Allocation::data(const void *data)
118{
119    memcpy(mPtr, data, mType->getSizeBytes());
120}
121
122void Allocation::subData(uint32_t xoff, uint32_t count, const void *data)
123{
124    uint32_t eSize = mType->getElementSizeBytes();
125    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
126    ptr += eSize * xoff;
127    memcpy(ptr, data, count * eSize);
128}
129
130void Allocation::subData(uint32_t xoff, uint32_t yoff,
131             uint32_t w, uint32_t h, const void *data)
132{
133    uint32_t eSize = mType->getElementSizeBytes();
134    uint32_t lineSize = eSize * w;
135    uint32_t destW = mType->getDimX();
136
137    const uint8_t *src = static_cast<const uint8_t *>(data);
138    uint8_t *dst = static_cast<uint8_t *>(mPtr);
139    dst += eSize * (xoff + yoff * destW);
140    for (uint32_t line=yoff; line < (yoff+h); line++) {
141        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
142        memcpy(dst, src, lineSize);
143        src += lineSize;
144        dst += destW * eSize;
145    }
146}
147
148void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
149             uint32_t w, uint32_t h, uint32_t d, const void *data)
150{
151}
152
153
154
155/////////////////
156//
157
158
159namespace android {
160namespace renderscript {
161
162RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
163{
164    const Type * type = static_cast<const Type *>(vtype);
165
166    Allocation * alloc = new Allocation(type);
167    return alloc;
168}
169
170RsAllocation rsi_AllocationCreatePredefSized(Context *rsc, RsElementPredefined t, size_t count)
171{
172    RsElement e = rsi_ElementGetPredefined(rsc, t);
173    return rsi_AllocationCreateSized(rsc, e, count);
174}
175
176RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
177{
178    Type * type = new Type();
179    type->setDimX(count);
180    type->setElement(static_cast<Element *>(e));
181    type->compute();
182    return rsi_AllocationCreateTyped(rsc, type);
183}
184
185void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
186{
187    Allocation *alloc = static_cast<Allocation *>(va);
188    alloc->uploadToTexture(baseMipLevel);
189}
190
191void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
192{
193    Allocation *alloc = static_cast<Allocation *>(va);
194    alloc->uploadToBufferObject();
195}
196
197void rsi_AllocationDestroy(Context *rsc, RsAllocation)
198{
199}
200
201static void mip565(const Adapter2D &out, const Adapter2D &in)
202{
203    uint32_t w = out.getDimX();
204    uint32_t h = out.getDimY();
205
206    for (uint32_t y=0; y < w; y++) {
207        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
208        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
209        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
210
211        for (uint32_t x=0; x < h; x++) {
212            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
213            oPtr ++;
214            i1 += 2;
215            i2 += 2;
216        }
217    }
218}
219
220static void mip8888(const Adapter2D &out, const Adapter2D &in)
221{
222    uint32_t w = out.getDimX();
223    uint32_t h = out.getDimY();
224
225    for (uint32_t y=0; y < w; y++) {
226        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
227        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
228        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
229
230        for (uint32_t x=0; x < h; x++) {
231            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
232            oPtr ++;
233            i1 += 2;
234            i2 += 2;
235        }
236    }
237
238}
239
240
241typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
242
243static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
244{
245    memcpy(dst, src, count * 2);
246}
247static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
248{
249    memcpy(dst, src, count);
250}
251static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
252{
253    memcpy(dst, src, count * 4);
254}
255
256
257static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
258{
259    uint16_t *d = static_cast<uint16_t *>(dst);
260    const uint8_t *s = static_cast<const uint8_t *>(src);
261
262    while(count--) {
263        *d = rs888to565(s[0], s[1], s[2]);
264        d++;
265        s+= 3;
266    }
267}
268
269static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
270{
271    uint16_t *d = static_cast<uint16_t *>(dst);
272    const uint8_t *s = static_cast<const uint8_t *>(src);
273
274    while(count--) {
275        *d = rs888to565(s[0], s[1], s[2]);
276        d++;
277        s+= 4;
278    }
279}
280
281static ElementConverter_t pickConverter(RsElementPredefined dstFmt, RsElementPredefined srcFmt)
282{
283    if ((dstFmt == RS_ELEMENT_RGB_565) &&
284        (srcFmt == RS_ELEMENT_RGB_565)) {
285        return elementConverter_cpy_16;
286    }
287
288    if ((dstFmt == RS_ELEMENT_RGB_565) &&
289        (srcFmt == RS_ELEMENT_RGB_888)) {
290        return elementConverter_888_to_565;
291    }
292
293    if ((dstFmt == RS_ELEMENT_RGB_565) &&
294        (srcFmt == RS_ELEMENT_RGBA_8888)) {
295        return elementConverter_8888_to_565;
296    }
297
298    if ((dstFmt == RS_ELEMENT_RGBA_8888) &&
299        (srcFmt == RS_ELEMENT_RGBA_8888)) {
300        return elementConverter_cpy_32;
301    }
302
303    LOGE("pickConverter, unsuported combo");
304    return 0;
305}
306
307
308RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElementPredefined dstFmt, RsElementPredefined srcFmt,  bool genMips, const void *data)
309{
310    rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGB_565));
311    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
312    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
313    if (genMips) {
314        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
315    }
316    RsType type = rsi_TypeCreate(rsc);
317
318    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
319    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
320    if (texAlloc == NULL) {
321        LOGE("Memory allocation failure");
322        return NULL;
323    }
324    texAlloc->incRef();
325
326    ElementConverter_t cvt = pickConverter(dstFmt, srcFmt);
327    cvt(texAlloc->getPtr(), data, w * h);
328
329    if (genMips) {
330        Adapter2D adapt(texAlloc);
331        Adapter2D adapt2(texAlloc);
332        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
333            adapt.setLOD(lod);
334            adapt2.setLOD(lod + 1);
335            mip565(adapt2, adapt);
336        }
337    }
338
339    return texAlloc;
340}
341
342RsAllocation rsi_AllocationCreateFromFile(Context *rsc, const char *file, bool genMips)
343{
344    bool use32bpp = false;
345
346    typedef struct _Win3xBitmapHeader
347    {
348       uint16_t type;
349       uint32_t totalSize;
350       uint32_t reserved;
351       uint32_t offset;
352       int32_t hdrSize;            /* Size of this header in bytes */
353       int32_t width;           /* Image width in pixels */
354       int32_t height;          /* Image height in pixels */
355       int16_t planes;          /* Number of color planes */
356       int16_t bpp;             /* Number of bits per pixel */
357       /* Fields added for Windows 3.x follow this line */
358       int32_t compression;     /* Compression methods used */
359       int32_t sizeOfBitmap;    /* Size of bitmap in bytes */
360       int32_t horzResolution;  /* Horizontal resolution in pixels per meter */
361       int32_t vertResolution;  /* Vertical resolution in pixels per meter */
362       int32_t colorsUsed;      /* Number of colors in the image */
363       int32_t colorsImportant; /* Minimum number of important colors */
364    } __attribute__((__packed__)) WIN3XBITMAPHEADER;
365
366    _Win3xBitmapHeader hdr;
367
368    FILE *f = fopen(file, "rb");
369    if (f == NULL) {
370        LOGE("rsAllocationCreateFromBitmap failed to open file %s", file);
371        return NULL;
372    }
373    memset(&hdr, 0, sizeof(hdr));
374    fread(&hdr, sizeof(hdr), 1, f);
375
376    if (hdr.bpp != 24) {
377        LOGE("Unsuported BMP type");
378        fclose(f);
379        return NULL;
380    }
381
382    int32_t texWidth = rsHigherPow2(hdr.width);
383    int32_t texHeight = rsHigherPow2(hdr.height);
384
385    if (use32bpp) {
386        rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGBA_8888));
387    } else {
388        rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGB_565));
389    }
390    rsi_TypeAdd(rsc, RS_DIMENSION_X, texWidth);
391    rsi_TypeAdd(rsc, RS_DIMENSION_Y, texHeight);
392    if (genMips) {
393        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
394    }
395    RsType type = rsi_TypeCreate(rsc);
396
397    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
398    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
399    texAlloc->incRef();
400    if (texAlloc == NULL) {
401        LOGE("Memory allocation failure");
402        fclose(f);
403        return NULL;
404    }
405
406    // offset to letterbox if height is not pow2
407    Adapter2D adapt(texAlloc);
408    uint8_t * fileInBuf = new uint8_t[texWidth * 3];
409    uint32_t yOffset = (hdr.width - hdr.height) / 2;
410
411    if (use32bpp) {
412        uint8_t *tmp = static_cast<uint8_t *>(adapt.getElement(0, yOffset));
413        for (int y=0; y < hdr.height; y++) {
414            fseek(f, hdr.offset + (y*hdr.width*3), SEEK_SET);
415            fread(fileInBuf, 1, hdr.width * 3, f);
416            for(int x=0; x < hdr.width; x++) {
417                tmp[0] = fileInBuf[x*3 + 2];
418                tmp[1] = fileInBuf[x*3 + 1];
419                tmp[2] = fileInBuf[x*3];
420                tmp[3] = 0xff;
421                tmp += 4;
422            }
423        }
424    } else {
425        uint16_t *tmp = static_cast<uint16_t *>(adapt.getElement(0, yOffset));
426        for (int y=0; y < hdr.height; y++) {
427            fseek(f, hdr.offset + (y*hdr.width*3), SEEK_SET);
428            fread(fileInBuf, 1, hdr.width * 3, f);
429            for(int x=0; x < hdr.width; x++) {
430                *tmp = rs888to565(fileInBuf[x*3 + 2], fileInBuf[x*3 + 1], fileInBuf[x*3]);
431                tmp++;
432            }
433        }
434    }
435
436    fclose(f);
437    delete [] fileInBuf;
438
439    if (genMips) {
440        Adapter2D adapt2(texAlloc);
441        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
442            adapt.setLOD(lod);
443            adapt2.setLOD(lod + 1);
444            if (use32bpp) {
445                mip8888(adapt2, adapt);
446            } else {
447                mip565(adapt2, adapt);
448            }
449        }
450    }
451
452    return texAlloc;
453}
454
455
456void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data)
457{
458    Allocation *a = static_cast<Allocation *>(va);
459    a->data(data);
460}
461
462void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data)
463{
464    Allocation *a = static_cast<Allocation *>(va);
465    a->subData(xoff, count, data);
466}
467
468void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data)
469{
470    Allocation *a = static_cast<Allocation *>(va);
471    a->subData(xoff, yoff, w, h, data);
472}
473
474
475}
476}
477