rsAllocation.cpp revision e402ed33486730f1d06f080cdfc48132bf612b3a 
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
108    Adapter2D adapt(getContext(), this);
109    for(uint32_t lod = 0; (lod + lodOffset) < mType->getLODCount(); lod++) {
110        adapt.setLOD(lod+lodOffset);
111
112        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
113        glTexImage2D(GL_TEXTURE_2D, lod, format,
114                     adapt.getDimX(), adapt.getDimY(),
115                     0, format, type, ptr);
116    }
117}
118
119void Allocation::uploadToBufferObject()
120{
121    rsAssert(!mType->getDimY());
122    rsAssert(!mType->getDimZ());
123
124    if (!mBufferID) {
125        glGenBuffers(1, &mBufferID);
126    }
127    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
128    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
129    glBindBuffer(GL_ARRAY_BUFFER, 0);
130}
131
132
133void Allocation::data(const void *data, uint32_t sizeBytes)
134{
135    uint32_t size = mType->getSizeBytes();
136    if (size != sizeBytes) {
137        LOGE("Allocation::data called with mismatched size expected %i, got %i", size, sizeBytes);
138        return;
139    }
140    memcpy(mPtr, data, size);
141}
142
143void Allocation::read(void *data)
144{
145    memcpy(data, mPtr, mType->getSizeBytes());
146}
147
148void Allocation::subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
149{
150    uint32_t eSize = mType->getElementSizeBytes();
151    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
152    ptr += eSize * xoff;
153    uint32_t size = count * eSize;
154
155    if (size != sizeBytes) {
156        LOGE("Allocation::subData called with mismatched size expected %i, got %i", size, sizeBytes);
157        mType->dumpLOGV("type info");
158        return;
159    }
160    memcpy(ptr, data, size);
161}
162
163void Allocation::subData(uint32_t xoff, uint32_t yoff,
164             uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
165{
166    uint32_t eSize = mType->getElementSizeBytes();
167    uint32_t lineSize = eSize * w;
168    uint32_t destW = mType->getDimX();
169
170    const uint8_t *src = static_cast<const uint8_t *>(data);
171    uint8_t *dst = static_cast<uint8_t *>(mPtr);
172    dst += eSize * (xoff + yoff * destW);
173
174    if ((lineSize * eSize * h) != sizeBytes) {
175        rsAssert(!"Allocation::subData called with mismatched size");
176        return;
177    }
178
179    for (uint32_t line=yoff; line < (yoff+h); line++) {
180        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
181        memcpy(dst, src, lineSize);
182        src += lineSize;
183        dst += destW * eSize;
184    }
185}
186
187void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
188             uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes)
189{
190}
191
192
193
194/////////////////
195//
196
197
198namespace android {
199namespace renderscript {
200
201RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
202{
203    const Type * type = static_cast<const Type *>(vtype);
204
205    Allocation * alloc = new Allocation(rsc, type);
206    alloc->incUserRef();
207    return alloc;
208}
209
210RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
211{
212    Type * type = new Type(rsc);
213    type->setDimX(count);
214    type->setElement(static_cast<Element *>(e));
215    type->compute();
216    return rsi_AllocationCreateTyped(rsc, type);
217}
218
219void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
220{
221    Allocation *alloc = static_cast<Allocation *>(va);
222    alloc->uploadToTexture(baseMipLevel);
223}
224
225void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
226{
227    Allocation *alloc = static_cast<Allocation *>(va);
228    alloc->uploadToBufferObject();
229}
230
231static void mip565(const Adapter2D &out, const Adapter2D &in)
232{
233    uint32_t w = out.getDimX();
234    uint32_t h = out.getDimY();
235
236    for (uint32_t y=0; y < h; y++) {
237        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
238        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
239        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
240
241        for (uint32_t x=0; x < w; x++) {
242            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
243            oPtr ++;
244            i1 += 2;
245            i2 += 2;
246        }
247    }
248}
249
250static void mip8888(const Adapter2D &out, const Adapter2D &in)
251{
252    uint32_t w = out.getDimX();
253    uint32_t h = out.getDimY();
254
255    for (uint32_t y=0; y < h; y++) {
256        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
257        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
258        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
259
260        for (uint32_t x=0; x < w; x++) {
261            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
262            oPtr ++;
263            i1 += 2;
264            i2 += 2;
265        }
266    }
267}
268
269static void mip(const Adapter2D &out, const Adapter2D &in)
270{
271    switch(out.getBaseType()->getElement()->getSizeBits()) {
272    case 32:
273        mip8888(out, in);
274        break;
275    case 16:
276        mip565(out, in);
277        break;
278
279    }
280
281}
282
283typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
284
285static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
286{
287    memcpy(dst, src, count * 2);
288}
289static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
290{
291    memcpy(dst, src, count);
292}
293static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
294{
295    memcpy(dst, src, count * 4);
296}
297
298
299static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
300{
301    uint16_t *d = static_cast<uint16_t *>(dst);
302    const uint8_t *s = static_cast<const uint8_t *>(src);
303
304    while(count--) {
305        *d = rs888to565(s[0], s[1], s[2]);
306        d++;
307        s+= 3;
308    }
309}
310
311static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
312{
313    uint16_t *d = static_cast<uint16_t *>(dst);
314    const uint8_t *s = static_cast<const uint8_t *>(src);
315
316    while(count--) {
317        *d = rs888to565(s[0], s[1], s[2]);
318        d++;
319        s+= 4;
320    }
321}
322
323static ElementConverter_t pickConverter(const Element *dst, const Element *src)
324{
325    GLenum srcGLType = src->getGLType();
326    GLenum srcGLFmt = src->getGLFormat();
327    GLenum dstGLType = dst->getGLType();
328    GLenum dstGLFmt = dst->getGLFormat();
329
330    if (srcGLFmt == dstGLFmt && srcGLType == dstGLType) {
331        switch(dst->getSizeBytes()) {
332        case 4:
333            return elementConverter_cpy_32;
334        case 2:
335            return elementConverter_cpy_16;
336        case 1:
337            return elementConverter_cpy_8;
338        }
339    }
340
341    if (srcGLType == GL_UNSIGNED_BYTE &&
342        srcGLFmt == GL_RGB &&
343        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
344        dstGLType == GL_RGB) {
345
346        return elementConverter_888_to_565;
347    }
348
349    if (srcGLType == GL_UNSIGNED_BYTE &&
350        srcGLFmt == GL_RGBA &&
351        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
352        dstGLType == GL_RGB) {
353
354        return elementConverter_8888_to_565;
355    }
356
357    LOGE("pickConverter, unsuported combo, src %p,  dst %p", src, dst);
358    return 0;
359}
360
361
362RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src,  bool genMips, const void *data)
363{
364    const Element *src = static_cast<const Element *>(_src);
365    const Element *dst = static_cast<const Element *>(_dst);
366    rsAssert(!(w & (w-1)));
367    rsAssert(!(h & (h-1)));
368
369    //LOGE("rsi_AllocationCreateFromBitmap %i %i %i %i %i", w, h, dstFmt, srcFmt, genMips);
370    rsi_TypeBegin(rsc, _dst);
371    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
372    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
373    if (genMips) {
374        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
375    }
376    RsType type = rsi_TypeCreate(rsc);
377
378    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
379    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
380    if (texAlloc == NULL) {
381        LOGE("Memory allocation failure");
382        return NULL;
383    }
384    texAlloc->incUserRef();
385
386    ElementConverter_t cvt = pickConverter(dst, src);
387    cvt(texAlloc->getPtr(), data, w * h);
388
389    if (genMips) {
390        Adapter2D adapt(rsc, texAlloc);
391        Adapter2D adapt2(rsc, texAlloc);
392        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
393            adapt.setLOD(lod);
394            adapt2.setLOD(lod + 1);
395            mip(adapt2, adapt);
396        }
397    }
398
399    return texAlloc;
400}
401
402RsAllocation rsi_AllocationCreateFromBitmapBoxed(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src, bool genMips, const void *data)
403{
404    const Element *srcE = static_cast<const Element *>(_src);
405    const Element *dstE = static_cast<const Element *>(_dst);
406    uint32_t w2 = rsHigherPow2(w);
407    uint32_t h2 = rsHigherPow2(h);
408
409    if ((w2 == w) && (h2 == h)) {
410        return rsi_AllocationCreateFromBitmap(rsc, w, h, _dst, _src, genMips, data);
411    }
412
413    uint32_t bpp = srcE->getSizeBytes();
414    size_t size = w2 * h2 * bpp;
415    uint8_t *tmp = static_cast<uint8_t *>(malloc(size));
416    memset(tmp, 0, size);
417
418    const uint8_t * src = static_cast<const uint8_t *>(data);
419    for (uint32_t y = 0; y < h; y++) {
420        uint8_t * ydst = &tmp[(y + ((h2 - h) >> 1)) * w2 * bpp];
421        memcpy(&ydst[((w2 - w) >> 1) * bpp], src, w * bpp);
422        src += w * bpp;
423    }
424
425    RsAllocation ret = rsi_AllocationCreateFromBitmap(rsc, w2, h2, _dst, _src, genMips, tmp);
426    free(tmp);
427    return ret;
428
429
430
431
432}
433
434void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data, uint32_t sizeBytes)
435{
436    Allocation *a = static_cast<Allocation *>(va);
437    a->data(data, sizeBytes);
438    rsc->allocationCheck(a);
439}
440
441void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
442{
443    Allocation *a = static_cast<Allocation *>(va);
444    a->subData(xoff, count, data, sizeBytes);
445    rsc->allocationCheck(a);
446}
447
448void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
449{
450    Allocation *a = static_cast<Allocation *>(va);
451    a->subData(xoff, yoff, w, h, data, sizeBytes);
452    rsc->allocationCheck(a);
453}
454
455void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data)
456{
457    Allocation *a = static_cast<Allocation *>(va);
458    a->read(data);
459}
460
461
462}
463}
464