rsAllocation.cpp revision 6cd833d831a797ba943dd4b4a2edf04b80a3928a 
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}
56
57void Allocation::setCpuWritable(bool)
58{
59}
60
61void Allocation::setGpuWritable(bool)
62{
63}
64
65void Allocation::setCpuReadable(bool)
66{
67}
68
69void Allocation::setGpuReadable(bool)
70{
71}
72
73bool Allocation::fixAllocation()
74{
75    return false;
76}
77
78void Allocation::uploadToTexture(uint32_t lodOffset)
79{
80    //rsAssert(!mTextureId);
81    rsAssert(lodOffset < mType->getLODCount());
82
83    GLenum type = mType->getElement()->getGLType();
84    GLenum format = mType->getElement()->getGLFormat();
85
86    if (!type || !format) {
87        return;
88    }
89
90    if (!mTextureID) {
91        glGenTextures(1, &mTextureID);
92    }
93    glBindTexture(GL_TEXTURE_2D, mTextureID);
94
95    Adapter2D adapt(getContext(), this);
96    for(uint32_t lod = 0; (lod + lodOffset) < mType->getLODCount(); lod++) {
97        adapt.setLOD(lod+lodOffset);
98
99        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
100        glTexImage2D(GL_TEXTURE_2D, lod, format,
101                     adapt.getDimX(), adapt.getDimY(),
102                     0, format, type, ptr);
103    }
104}
105
106void Allocation::uploadToBufferObject()
107{
108    rsAssert(!mType->getDimY());
109    rsAssert(!mType->getDimZ());
110
111    if (!mBufferID) {
112        glGenBuffers(1, &mBufferID);
113    }
114    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
115    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
116    glBindBuffer(GL_ARRAY_BUFFER, 0);
117}
118
119
120void Allocation::data(const void *data, uint32_t sizeBytes)
121{
122    uint32_t size = mType->getSizeBytes();
123    if (size != sizeBytes) {
124        LOGE("Allocation::data called with mismatched size expected %i, got %i", size, sizeBytes);
125        return;
126    }
127    memcpy(mPtr, data, size);
128}
129
130void Allocation::read(void *data)
131{
132    memcpy(data, mPtr, mType->getSizeBytes());
133}
134
135void Allocation::subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
136{
137    uint32_t eSize = mType->getElementSizeBytes();
138    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
139    ptr += eSize * xoff;
140    uint32_t size = count * eSize;
141
142    if (size != sizeBytes) {
143        LOGE("Allocation::subData called with mismatched size expected %i, got %i", size, sizeBytes);
144        mType->dumpLOGV("type info");
145        return;
146    }
147    memcpy(ptr, data, size);
148}
149
150void Allocation::subData(uint32_t xoff, uint32_t yoff,
151             uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
152{
153    uint32_t eSize = mType->getElementSizeBytes();
154    uint32_t lineSize = eSize * w;
155    uint32_t destW = mType->getDimX();
156
157    const uint8_t *src = static_cast<const uint8_t *>(data);
158    uint8_t *dst = static_cast<uint8_t *>(mPtr);
159    dst += eSize * (xoff + yoff * destW);
160
161    if ((lineSize * eSize * h) != sizeBytes) {
162        rsAssert(!"Allocation::subData called with mismatched size");
163        return;
164    }
165
166    for (uint32_t line=yoff; line < (yoff+h); line++) {
167        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
168        memcpy(dst, src, lineSize);
169        src += lineSize;
170        dst += destW * eSize;
171    }
172}
173
174void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
175             uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes)
176{
177}
178
179
180
181/////////////////
182//
183
184
185namespace android {
186namespace renderscript {
187
188RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
189{
190    const Type * type = static_cast<const Type *>(vtype);
191
192    Allocation * alloc = new Allocation(rsc, type);
193    alloc->incUserRef();
194    return alloc;
195}
196
197RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
198{
199    Type * type = new Type(rsc);
200    type->setDimX(count);
201    type->setElement(static_cast<Element *>(e));
202    type->compute();
203    return rsi_AllocationCreateTyped(rsc, type);
204}
205
206void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
207{
208    Allocation *alloc = static_cast<Allocation *>(va);
209    alloc->uploadToTexture(baseMipLevel);
210}
211
212void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
213{
214    Allocation *alloc = static_cast<Allocation *>(va);
215    alloc->uploadToBufferObject();
216}
217
218static void mip565(const Adapter2D &out, const Adapter2D &in)
219{
220    uint32_t w = out.getDimX();
221    uint32_t h = out.getDimY();
222
223    for (uint32_t y=0; y < h; y++) {
224        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
225        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
226        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
227
228        for (uint32_t x=0; x < w; x++) {
229            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
230            oPtr ++;
231            i1 += 2;
232            i2 += 2;
233        }
234    }
235}
236
237static void mip8888(const Adapter2D &out, const Adapter2D &in)
238{
239    uint32_t w = out.getDimX();
240    uint32_t h = out.getDimY();
241
242    for (uint32_t y=0; y < h; y++) {
243        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
244        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
245        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
246
247        for (uint32_t x=0; x < w; x++) {
248            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
249            oPtr ++;
250            i1 += 2;
251            i2 += 2;
252        }
253    }
254}
255
256static void mip(const Adapter2D &out, const Adapter2D &in)
257{
258    switch(out.getBaseType()->getElement()->getSizeBits()) {
259    case 32:
260        mip8888(out, in);
261        break;
262    case 16:
263        mip565(out, in);
264        break;
265
266    }
267
268}
269
270typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
271
272static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
273{
274    memcpy(dst, src, count * 2);
275}
276static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
277{
278    memcpy(dst, src, count);
279}
280static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
281{
282    memcpy(dst, src, count * 4);
283}
284
285
286static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
287{
288    uint16_t *d = static_cast<uint16_t *>(dst);
289    const uint8_t *s = static_cast<const uint8_t *>(src);
290
291    while(count--) {
292        *d = rs888to565(s[0], s[1], s[2]);
293        d++;
294        s+= 3;
295    }
296}
297
298static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
299{
300    uint16_t *d = static_cast<uint16_t *>(dst);
301    const uint8_t *s = static_cast<const uint8_t *>(src);
302
303    while(count--) {
304        *d = rs888to565(s[0], s[1], s[2]);
305        d++;
306        s+= 4;
307    }
308}
309
310static ElementConverter_t pickConverter(const Element *dst, const Element *src)
311{
312    GLenum srcGLType = src->getGLType();
313    GLenum srcGLFmt = src->getGLFormat();
314    GLenum dstGLType = dst->getGLType();
315    GLenum dstGLFmt = dst->getGLFormat();
316
317    if (srcGLFmt == dstGLFmt && srcGLType == dstGLType) {
318        switch(dst->getSizeBytes()) {
319        case 4:
320            return elementConverter_cpy_32;
321        case 2:
322            return elementConverter_cpy_16;
323        case 1:
324            return elementConverter_cpy_8;
325        }
326    }
327
328    if (srcGLType == GL_UNSIGNED_BYTE &&
329        srcGLFmt == GL_RGB &&
330        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
331        dstGLType == GL_RGB) {
332
333        return elementConverter_888_to_565;
334    }
335
336    if (srcGLType == GL_UNSIGNED_BYTE &&
337        srcGLFmt == GL_RGBA &&
338        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
339        dstGLType == GL_RGB) {
340
341        return elementConverter_8888_to_565;
342    }
343
344    LOGE("pickConverter, unsuported combo, src %p,  dst %p", src, dst);
345    return 0;
346}
347
348
349RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src,  bool genMips, const void *data)
350{
351    const Element *src = static_cast<const Element *>(_src);
352    const Element *dst = static_cast<const Element *>(_dst);
353    rsAssert(!(w & (w-1)));
354    rsAssert(!(h & (h-1)));
355
356    //LOGE("rsi_AllocationCreateFromBitmap %i %i %i %i %i", w, h, dstFmt, srcFmt, genMips);
357    rsi_TypeBegin(rsc, _dst);
358    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
359    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
360    if (genMips) {
361        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
362    }
363    RsType type = rsi_TypeCreate(rsc);
364
365    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
366    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
367    if (texAlloc == NULL) {
368        LOGE("Memory allocation failure");
369        return NULL;
370    }
371    texAlloc->incUserRef();
372
373    ElementConverter_t cvt = pickConverter(dst, src);
374    cvt(texAlloc->getPtr(), data, w * h);
375
376    if (genMips) {
377        Adapter2D adapt(rsc, texAlloc);
378        Adapter2D adapt2(rsc, texAlloc);
379        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
380            adapt.setLOD(lod);
381            adapt2.setLOD(lod + 1);
382            mip(adapt2, adapt);
383        }
384    }
385
386    return texAlloc;
387}
388
389RsAllocation rsi_AllocationCreateFromBitmapBoxed(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src, bool genMips, const void *data)
390{
391    const Element *srcE = static_cast<const Element *>(_src);
392    const Element *dstE = static_cast<const Element *>(_dst);
393    uint32_t w2 = rsHigherPow2(w);
394    uint32_t h2 = rsHigherPow2(h);
395
396    if ((w2 == w) && (h2 == h)) {
397        return rsi_AllocationCreateFromBitmap(rsc, w, h, _dst, _src, genMips, data);
398    }
399
400    uint32_t bpp = srcE->getSizeBytes();
401    size_t size = w2 * h2 * bpp;
402    uint8_t *tmp = static_cast<uint8_t *>(malloc(size));
403    memset(tmp, 0, size);
404
405    const uint8_t * src = static_cast<const uint8_t *>(data);
406    for (uint32_t y = 0; y < h; y++) {
407        uint8_t * ydst = &tmp[(y + ((h2 - h) >> 1)) * w2 * bpp];
408        memcpy(&ydst[((w2 - w) >> 1) * bpp], src, w * bpp);
409        src += w * bpp;
410    }
411
412    RsAllocation ret = rsi_AllocationCreateFromBitmap(rsc, w2, h2, _dst, _src, genMips, tmp);
413    free(tmp);
414    return ret;
415
416
417
418
419}
420
421void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data, uint32_t sizeBytes)
422{
423    Allocation *a = static_cast<Allocation *>(va);
424    a->data(data, sizeBytes);
425    rsc->allocationCheck(a);
426}
427
428void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
429{
430    Allocation *a = static_cast<Allocation *>(va);
431    a->subData(xoff, count, data, sizeBytes);
432    rsc->allocationCheck(a);
433}
434
435void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
436{
437    Allocation *a = static_cast<Allocation *>(va);
438    a->subData(xoff, yoff, w, h, data, sizeBytes);
439    rsc->allocationCheck(a);
440}
441
442void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data)
443{
444    Allocation *a = static_cast<Allocation *>(va);
445    a->read(data);
446}
447
448
449}
450}
451