rsAllocation.cpp revision 707aaf341a4b068e6ccadf923af85acdd85fd775 
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    rsAssert(type);
45    mPtr = malloc(mType->getSizeBytes());
46    if (!mPtr) {
47        LOGE("Allocation::Allocation, alloc failure");
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
117
118void Allocation::data(const void *data)
119{
120    memcpy(mPtr, data, mType->getSizeBytes());
121}
122
123void Allocation::read(void *data)
124{
125    memcpy(data, mPtr, mType->getSizeBytes());
126}
127
128void Allocation::subData(uint32_t xoff, uint32_t count, const void *data)
129{
130    uint32_t eSize = mType->getElementSizeBytes();
131    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
132    ptr += eSize * xoff;
133    memcpy(ptr, data, count * eSize);
134}
135
136void Allocation::subData(uint32_t xoff, uint32_t yoff,
137             uint32_t w, uint32_t h, const void *data)
138{
139    uint32_t eSize = mType->getElementSizeBytes();
140    uint32_t lineSize = eSize * w;
141    uint32_t destW = mType->getDimX();
142
143    const uint8_t *src = static_cast<const uint8_t *>(data);
144    uint8_t *dst = static_cast<uint8_t *>(mPtr);
145    dst += eSize * (xoff + yoff * destW);
146    for (uint32_t line=yoff; line < (yoff+h); line++) {
147        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
148        memcpy(dst, src, lineSize);
149        src += lineSize;
150        dst += destW * eSize;
151    }
152}
153
154void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
155             uint32_t w, uint32_t h, uint32_t d, const void *data)
156{
157}
158
159
160
161/////////////////
162//
163
164
165namespace android {
166namespace renderscript {
167
168RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
169{
170    const Type * type = static_cast<const Type *>(vtype);
171
172    Allocation * alloc = new Allocation(type);
173    alloc->incRef();
174    return alloc;
175}
176
177RsAllocation rsi_AllocationCreatePredefSized(Context *rsc, RsElementPredefined t, size_t count)
178{
179    RsElement e = rsi_ElementGetPredefined(rsc, t);
180    return rsi_AllocationCreateSized(rsc, e, count);
181}
182
183RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
184{
185    Type * type = new Type();
186    type->setDimX(count);
187    type->setElement(static_cast<Element *>(e));
188    type->compute();
189    return rsi_AllocationCreateTyped(rsc, type);
190}
191
192void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
193{
194    Allocation *alloc = static_cast<Allocation *>(va);
195    alloc->uploadToTexture(baseMipLevel);
196}
197
198void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
199{
200    Allocation *alloc = static_cast<Allocation *>(va);
201    alloc->uploadToBufferObject();
202}
203
204static void mip565(const Adapter2D &out, const Adapter2D &in)
205{
206    uint32_t w = out.getDimX();
207    uint32_t h = out.getDimY();
208
209    for (uint32_t y=0; y < h; y++) {
210        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
211        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
212        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
213
214        for (uint32_t x=0; x < w; x++) {
215            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
216            oPtr ++;
217            i1 += 2;
218            i2 += 2;
219        }
220    }
221}
222
223static void mip8888(const Adapter2D &out, const Adapter2D &in)
224{
225    uint32_t w = out.getDimX();
226    uint32_t h = out.getDimY();
227
228    for (uint32_t y=0; y < h; y++) {
229        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
230        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
231        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
232
233        for (uint32_t x=0; x < w; x++) {
234            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
235            oPtr ++;
236            i1 += 2;
237            i2 += 2;
238        }
239    }
240}
241
242static void mip(const Adapter2D &out, const Adapter2D &in)
243{
244    switch(out.getBaseType()->getElement()->getSizeBits()) {
245    case 32:
246        mip8888(out, in);
247        break;
248    case 16:
249        mip565(out, in);
250        break;
251
252    }
253
254}
255
256typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
257
258static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
259{
260    memcpy(dst, src, count * 2);
261}
262static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
263{
264    memcpy(dst, src, count);
265}
266static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
267{
268    memcpy(dst, src, count * 4);
269}
270
271
272static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
273{
274    uint16_t *d = static_cast<uint16_t *>(dst);
275    const uint8_t *s = static_cast<const uint8_t *>(src);
276
277    while(count--) {
278        *d = rs888to565(s[0], s[1], s[2]);
279        d++;
280        s+= 3;
281    }
282}
283
284static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
285{
286    uint16_t *d = static_cast<uint16_t *>(dst);
287    const uint8_t *s = static_cast<const uint8_t *>(src);
288
289    while(count--) {
290        *d = rs888to565(s[0], s[1], s[2]);
291        d++;
292        s+= 4;
293    }
294}
295
296static ElementConverter_t pickConverter(RsElementPredefined dstFmt, RsElementPredefined srcFmt)
297{
298    if ((dstFmt == RS_ELEMENT_RGB_565) &&
299        (srcFmt == RS_ELEMENT_RGB_565)) {
300        return elementConverter_cpy_16;
301    }
302
303    if ((dstFmt == RS_ELEMENT_RGB_565) &&
304        (srcFmt == RS_ELEMENT_RGB_888)) {
305        return elementConverter_888_to_565;
306    }
307
308    if ((dstFmt == RS_ELEMENT_RGB_565) &&
309        (srcFmt == RS_ELEMENT_RGBA_8888)) {
310        return elementConverter_8888_to_565;
311    }
312
313    if ((dstFmt == RS_ELEMENT_RGBA_8888) &&
314        (srcFmt == RS_ELEMENT_RGBA_8888)) {
315        return elementConverter_cpy_32;
316    }
317
318    LOGE("pickConverter, unsuported combo, src %i,  dst %i", srcFmt, dstFmt);
319    return 0;
320}
321
322
323RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElementPredefined dstFmt, RsElementPredefined srcFmt,  bool genMips, const void *data)
324{
325    rsAssert(!(w & (w-1)));
326    rsAssert(!(h & (h-1)));
327
328    //LOGE("rsi_AllocationCreateFromBitmap %i %i %i %i %i", w, h, dstFmt, srcFmt, genMips);
329    rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, dstFmt));
330    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
331    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
332    if (genMips) {
333        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
334    }
335    RsType type = rsi_TypeCreate(rsc);
336
337    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
338    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
339    if (texAlloc == NULL) {
340        LOGE("Memory allocation failure");
341        return NULL;
342    }
343    texAlloc->incRef();
344
345    ElementConverter_t cvt = pickConverter(dstFmt, srcFmt);
346    cvt(texAlloc->getPtr(), data, w * h);
347
348    if (genMips) {
349        Adapter2D adapt(texAlloc);
350        Adapter2D adapt2(texAlloc);
351        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
352            adapt.setLOD(lod);
353            adapt2.setLOD(lod + 1);
354            mip(adapt2, adapt);
355        }
356    }
357
358    return texAlloc;
359}
360
361static uint32_t fmtToBits(RsElementPredefined fmt)
362{
363    return 16;
364}
365
366RsAllocation rsi_AllocationCreateFromBitmapBoxed(Context *rsc, uint32_t w, uint32_t h, RsElementPredefined dstFmt, RsElementPredefined srcFmt, bool genMips, const void *data)
367{
368    uint32_t w2 = rsHigherPow2(w);
369    uint32_t h2 = rsHigherPow2(h);
370
371    if ((w2 == w) && (h2 == h)) {
372        return rsi_AllocationCreateFromBitmap(rsc, w, h, dstFmt, srcFmt, genMips, data);
373    }
374
375    uint32_t bpp = fmtToBits(srcFmt) >> 3;
376    size_t size = w2 * h2 * bpp;
377    uint8_t *tmp = static_cast<uint8_t *>(malloc(size));
378    memset(tmp, 0, size);
379
380    const uint8_t * src = static_cast<const uint8_t *>(data);
381    for (uint32_t y = 0; y < h; y++) {
382        uint8_t * ydst = &tmp[(y + ((h2 - h) >> 1)) * w2 * bpp];
383        memcpy(&ydst[(w2 - w) >> 1], src, w * bpp);
384        src += w * bpp;
385    }
386
387    RsAllocation ret = rsi_AllocationCreateFromBitmap(rsc, w2, h2, dstFmt, srcFmt, genMips, tmp);
388    free(tmp);
389    return ret;
390
391
392
393
394}
395
396
397RsAllocation rsi_AllocationCreateFromFile(Context *rsc, const char *file, bool genMips)
398{
399    bool use32bpp = false;
400
401    typedef struct _Win3xBitmapHeader
402    {
403       uint16_t type;
404       uint32_t totalSize;
405       uint32_t reserved;
406       uint32_t offset;
407       int32_t hdrSize;            /* Size of this header in bytes */
408       int32_t width;           /* Image width in pixels */
409       int32_t height;          /* Image height in pixels */
410       int16_t planes;          /* Number of color planes */
411       int16_t bpp;             /* Number of bits per pixel */
412       /* Fields added for Windows 3.x follow this line */
413       int32_t compression;     /* Compression methods used */
414       int32_t sizeOfBitmap;    /* Size of bitmap in bytes */
415       int32_t horzResolution;  /* Horizontal resolution in pixels per meter */
416       int32_t vertResolution;  /* Vertical resolution in pixels per meter */
417       int32_t colorsUsed;      /* Number of colors in the image */
418       int32_t colorsImportant; /* Minimum number of important colors */
419    } __attribute__((__packed__)) WIN3XBITMAPHEADER;
420
421    _Win3xBitmapHeader hdr;
422
423    FILE *f = fopen(file, "rb");
424    if (f == NULL) {
425        LOGE("rsAllocationCreateFromBitmap failed to open file %s", file);
426        return NULL;
427    }
428    memset(&hdr, 0, sizeof(hdr));
429    fread(&hdr, sizeof(hdr), 1, f);
430
431    if (hdr.bpp != 24) {
432        LOGE("Unsuported BMP type");
433        fclose(f);
434        return NULL;
435    }
436
437    int32_t texWidth = rsHigherPow2(hdr.width);
438    int32_t texHeight = rsHigherPow2(hdr.height);
439
440    if (use32bpp) {
441        rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGBA_8888));
442    } else {
443        rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGB_565));
444    }
445    rsi_TypeAdd(rsc, RS_DIMENSION_X, texWidth);
446    rsi_TypeAdd(rsc, RS_DIMENSION_Y, texHeight);
447    if (genMips) {
448        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
449    }
450    RsType type = rsi_TypeCreate(rsc);
451
452    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
453    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
454    texAlloc->incRef();
455    if (texAlloc == NULL) {
456        LOGE("Memory allocation failure");
457        fclose(f);
458        return NULL;
459    }
460
461    // offset to letterbox if height is not pow2
462    Adapter2D adapt(texAlloc);
463    uint8_t * fileInBuf = new uint8_t[texWidth * 3];
464    uint32_t yOffset = (hdr.width - hdr.height) / 2;
465
466    if (use32bpp) {
467        uint8_t *tmp = static_cast<uint8_t *>(adapt.getElement(0, yOffset));
468        for (int y=0; y < hdr.height; y++) {
469            fseek(f, hdr.offset + (y*hdr.width*3), SEEK_SET);
470            fread(fileInBuf, 1, hdr.width * 3, f);
471            for(int x=0; x < hdr.width; x++) {
472                tmp[0] = fileInBuf[x*3 + 2];
473                tmp[1] = fileInBuf[x*3 + 1];
474                tmp[2] = fileInBuf[x*3];
475                tmp[3] = 0xff;
476                tmp += 4;
477            }
478        }
479    } else {
480        uint16_t *tmp = static_cast<uint16_t *>(adapt.getElement(0, yOffset));
481        for (int y=0; y < hdr.height; y++) {
482            fseek(f, hdr.offset + (y*hdr.width*3), SEEK_SET);
483            fread(fileInBuf, 1, hdr.width * 3, f);
484            for(int x=0; x < hdr.width; x++) {
485                *tmp = rs888to565(fileInBuf[x*3 + 2], fileInBuf[x*3 + 1], fileInBuf[x*3]);
486                tmp++;
487            }
488        }
489    }
490
491    fclose(f);
492    delete [] fileInBuf;
493
494    if (genMips) {
495        Adapter2D adapt2(texAlloc);
496        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
497            adapt.setLOD(lod);
498            adapt2.setLOD(lod + 1);
499            mip(adapt2, adapt);
500        }
501    }
502
503    return texAlloc;
504}
505
506void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data)
507{
508    Allocation *a = static_cast<Allocation *>(va);
509    a->data(data);
510    rsc->allocationCheck(a);
511}
512
513void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data)
514{
515    Allocation *a = static_cast<Allocation *>(va);
516    a->subData(xoff, count, data);
517    rsc->allocationCheck(a);
518}
519
520void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data)
521{
522    Allocation *a = static_cast<Allocation *>(va);
523    a->subData(xoff, yoff, w, h, data);
524    rsc->allocationCheck(a);
525}
526
527void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data)
528{
529    Allocation *a = static_cast<Allocation *>(va);
530    a->read(data);
531}
532
533
534}
535}
536