rsAllocation.cpp revision 5f0b4e19811e7e0ba59888939a3d0761297099fb 
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(Context *rsc, const Type *type) : ObjectBase(rsc)
26{
27    mAllocFile = __FILE__;
28    mAllocLine = __LINE__;
29    mPtr = NULL;
30
31    mCpuWrite = false;
32    mCpuRead = false;
33    mGpuWrite = false;
34    mGpuRead = false;
35
36    mReadWriteRatio = 0;
37    mUpdateSize = 0;
38
39    mIsTexture = false;
40    mTextureID = 0;
41
42    mIsVertexBuffer = false;
43    mBufferID = 0;
44
45    mType.set(type);
46    rsAssert(type);
47    mPtr = malloc(mType->getSizeBytes());
48    if (!mPtr) {
49        LOGE("Allocation::Allocation, alloc failure");
50    }
51}
52
53Allocation::~Allocation()
54{
55    free(mPtr);
56    mPtr = NULL;
57
58    if (mBufferID) {
59        // Causes a SW crash....
60        //LOGV(" mBufferID %i", mBufferID);
61        //glDeleteBuffers(1, &mBufferID);
62        //mBufferID = 0;
63    }
64    if (mTextureID) {
65        glDeleteTextures(1, &mTextureID);
66        mTextureID = 0;
67    }
68}
69
70void Allocation::setCpuWritable(bool)
71{
72}
73
74void Allocation::setGpuWritable(bool)
75{
76}
77
78void Allocation::setCpuReadable(bool)
79{
80}
81
82void Allocation::setGpuReadable(bool)
83{
84}
85
86bool Allocation::fixAllocation()
87{
88    return false;
89}
90
91void Allocation::uploadToTexture(uint32_t lodOffset)
92{
93    //rsAssert(!mTextureId);
94    rsAssert(lodOffset < mType->getLODCount());
95
96    GLenum type = mType->getElement()->getGLType();
97    GLenum format = mType->getElement()->getGLFormat();
98
99    if (!type || !format) {
100        return;
101    }
102
103    if (!mTextureID) {
104        glGenTextures(1, &mTextureID);
105    }
106    glBindTexture(GL_TEXTURE_2D, mTextureID);
107    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
108
109    Adapter2D adapt(getContext(), this);
110    for(uint32_t lod = 0; (lod + lodOffset) < mType->getLODCount(); lod++) {
111        adapt.setLOD(lod+lodOffset);
112
113        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
114        glTexImage2D(GL_TEXTURE_2D, lod, format,
115                     adapt.getDimX(), adapt.getDimY(),
116                     0, format, type, ptr);
117    }
118}
119
120void Allocation::uploadToBufferObject()
121{
122    rsAssert(!mType->getDimY());
123    rsAssert(!mType->getDimZ());
124
125    if (!mBufferID) {
126        glGenBuffers(1, &mBufferID);
127    }
128    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
129    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
130    glBindBuffer(GL_ARRAY_BUFFER, 0);
131}
132
133
134void Allocation::data(const void *data, uint32_t sizeBytes)
135{
136    uint32_t size = mType->getSizeBytes();
137    if (size != sizeBytes) {
138        LOGE("Allocation::data called with mismatched size expected %i, got %i", size, sizeBytes);
139        return;
140    }
141    memcpy(mPtr, data, size);
142}
143
144void Allocation::read(void *data)
145{
146    memcpy(data, mPtr, mType->getSizeBytes());
147}
148
149void Allocation::subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
150{
151    uint32_t eSize = mType->getElementSizeBytes();
152    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
153    ptr += eSize * xoff;
154    uint32_t size = count * eSize;
155
156    if (size != sizeBytes) {
157        LOGE("Allocation::subData called with mismatched size expected %i, got %i", size, sizeBytes);
158        mType->dumpLOGV("type info");
159        return;
160    }
161    memcpy(ptr, data, size);
162}
163
164void Allocation::subData(uint32_t xoff, uint32_t yoff,
165             uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
166{
167    uint32_t eSize = mType->getElementSizeBytes();
168    uint32_t lineSize = eSize * w;
169    uint32_t destW = mType->getDimX();
170
171    const uint8_t *src = static_cast<const uint8_t *>(data);
172    uint8_t *dst = static_cast<uint8_t *>(mPtr);
173    dst += eSize * (xoff + yoff * destW);
174
175    if ((lineSize * eSize * h) != sizeBytes) {
176        rsAssert(!"Allocation::subData called with mismatched size");
177        return;
178    }
179
180    for (uint32_t line=yoff; line < (yoff+h); line++) {
181        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
182        memcpy(dst, src, lineSize);
183        src += lineSize;
184        dst += destW * eSize;
185    }
186}
187
188void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
189             uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes)
190{
191}
192
193
194
195/////////////////
196//
197
198
199namespace android {
200namespace renderscript {
201
202RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
203{
204    const Type * type = static_cast<const Type *>(vtype);
205
206    Allocation * alloc = new Allocation(rsc, type);
207    alloc->incUserRef();
208    return alloc;
209}
210
211RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
212{
213    Type * type = new Type(rsc);
214    type->setDimX(count);
215    type->setElement(static_cast<Element *>(e));
216    type->compute();
217    return rsi_AllocationCreateTyped(rsc, type);
218}
219
220void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
221{
222    Allocation *alloc = static_cast<Allocation *>(va);
223    alloc->uploadToTexture(baseMipLevel);
224}
225
226void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
227{
228    Allocation *alloc = static_cast<Allocation *>(va);
229    alloc->uploadToBufferObject();
230}
231
232static void mip565(const Adapter2D &out, const Adapter2D &in)
233{
234    uint32_t w = out.getDimX();
235    uint32_t h = out.getDimY();
236
237    for (uint32_t y=0; y < h; y++) {
238        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
239        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
240        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
241
242        for (uint32_t x=0; x < w; x++) {
243            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
244            oPtr ++;
245            i1 += 2;
246            i2 += 2;
247        }
248    }
249}
250
251static void mip8888(const Adapter2D &out, const Adapter2D &in)
252{
253    uint32_t w = out.getDimX();
254    uint32_t h = out.getDimY();
255
256    for (uint32_t y=0; y < h; y++) {
257        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
258        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
259        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
260
261        for (uint32_t x=0; x < w; x++) {
262            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
263            oPtr ++;
264            i1 += 2;
265            i2 += 2;
266        }
267    }
268}
269
270static void mip(const Adapter2D &out, const Adapter2D &in)
271{
272    switch(out.getBaseType()->getElement()->getSizeBits()) {
273    case 32:
274        mip8888(out, in);
275        break;
276    case 16:
277        mip565(out, in);
278        break;
279
280    }
281
282}
283
284typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
285
286static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
287{
288    memcpy(dst, src, count * 2);
289}
290static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
291{
292    memcpy(dst, src, count);
293}
294static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
295{
296    memcpy(dst, src, count * 4);
297}
298
299
300static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
301{
302    uint16_t *d = static_cast<uint16_t *>(dst);
303    const uint8_t *s = static_cast<const uint8_t *>(src);
304
305    while(count--) {
306        *d = rs888to565(s[0], s[1], s[2]);
307        d++;
308        s+= 3;
309    }
310}
311
312static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
313{
314    uint16_t *d = static_cast<uint16_t *>(dst);
315    const uint8_t *s = static_cast<const uint8_t *>(src);
316
317    while(count--) {
318        *d = rs888to565(s[0], s[1], s[2]);
319        d++;
320        s+= 4;
321    }
322}
323
324static ElementConverter_t pickConverter(const Element *dst, const Element *src)
325{
326    GLenum srcGLType = src->getGLType();
327    GLenum srcGLFmt = src->getGLFormat();
328    GLenum dstGLType = dst->getGLType();
329    GLenum dstGLFmt = dst->getGLFormat();
330
331    if (srcGLFmt == dstGLFmt && srcGLType == dstGLType) {
332        switch(dst->getSizeBytes()) {
333        case 4:
334            return elementConverter_cpy_32;
335        case 2:
336            return elementConverter_cpy_16;
337        case 1:
338            return elementConverter_cpy_8;
339        }
340    }
341
342    if (srcGLType == GL_UNSIGNED_BYTE &&
343        srcGLFmt == GL_RGB &&
344        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
345        dstGLType == GL_RGB) {
346
347        return elementConverter_888_to_565;
348    }
349
350    if (srcGLType == GL_UNSIGNED_BYTE &&
351        srcGLFmt == GL_RGBA &&
352        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
353        dstGLType == GL_RGB) {
354
355        return elementConverter_8888_to_565;
356    }
357
358    LOGE("pickConverter, unsuported combo, src %p,  dst %p", src, dst);
359    return 0;
360}
361
362
363RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src,  bool genMips, const void *data)
364{
365    const Element *src = static_cast<const Element *>(_src);
366    const Element *dst = static_cast<const Element *>(_dst);
367    rsAssert(!(w & (w-1)));
368    rsAssert(!(h & (h-1)));
369
370    //LOGE("rsi_AllocationCreateFromBitmap %i %i %i %i %i", w, h, dstFmt, srcFmt, genMips);
371    rsi_TypeBegin(rsc, _dst);
372    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
373    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
374    if (genMips) {
375        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
376    }
377    RsType type = rsi_TypeCreate(rsc);
378
379    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
380    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
381    if (texAlloc == NULL) {
382        LOGE("Memory allocation failure");
383        return NULL;
384    }
385    texAlloc->incUserRef();
386
387    ElementConverter_t cvt = pickConverter(dst, src);
388    cvt(texAlloc->getPtr(), data, w * h);
389
390    if (genMips) {
391        Adapter2D adapt(rsc, texAlloc);
392        Adapter2D adapt2(rsc, texAlloc);
393        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
394            adapt.setLOD(lod);
395            adapt2.setLOD(lod + 1);
396            mip(adapt2, adapt);
397        }
398    }
399
400    return texAlloc;
401}
402
403RsAllocation rsi_AllocationCreateFromBitmapBoxed(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src, bool genMips, const void *data)
404{
405    const Element *srcE = static_cast<const Element *>(_src);
406    const Element *dstE = static_cast<const Element *>(_dst);
407    uint32_t w2 = rsHigherPow2(w);
408    uint32_t h2 = rsHigherPow2(h);
409
410    if ((w2 == w) && (h2 == h)) {
411        return rsi_AllocationCreateFromBitmap(rsc, w, h, _dst, _src, genMips, data);
412    }
413
414    uint32_t bpp = srcE->getSizeBytes();
415    size_t size = w2 * h2 * bpp;
416    uint8_t *tmp = static_cast<uint8_t *>(malloc(size));
417    memset(tmp, 0, size);
418
419    const uint8_t * src = static_cast<const uint8_t *>(data);
420    for (uint32_t y = 0; y < h; y++) {
421        uint8_t * ydst = &tmp[(y + ((h2 - h) >> 1)) * w2 * bpp];
422        memcpy(&ydst[((w2 - w) >> 1) * bpp], src, w * bpp);
423        src += w * bpp;
424    }
425
426    RsAllocation ret = rsi_AllocationCreateFromBitmap(rsc, w2, h2, _dst, _src, genMips, tmp);
427    free(tmp);
428    return ret;
429
430
431
432
433}
434
435void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data, uint32_t sizeBytes)
436{
437    Allocation *a = static_cast<Allocation *>(va);
438    a->data(data, sizeBytes);
439    rsc->allocationCheck(a);
440}
441
442void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
443{
444    Allocation *a = static_cast<Allocation *>(va);
445    a->subData(xoff, count, data, sizeBytes);
446    rsc->allocationCheck(a);
447}
448
449void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
450{
451    Allocation *a = static_cast<Allocation *>(va);
452    a->subData(xoff, yoff, w, h, data, sizeBytes);
453    rsc->allocationCheck(a);
454}
455
456void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data)
457{
458    Allocation *a = static_cast<Allocation *>(va);
459    a->read(data);
460}
461
462
463}
464}
465