rsdAllocation.cpp revision f2b611e26db1c83ad5e0e0cdebcfa639b03fba75 
1/*
2 * Copyright (C) 2011-2012 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
18#include "rsdCore.h"
19#include "rsdAllocation.h"
20#include "rsdFrameBufferObj.h"
21
22#include "rsAllocation.h"
23
24#include "system/window.h"
25#include "hardware/gralloc.h"
26#include "ui/Rect.h"
27#include "ui/GraphicBufferMapper.h"
28#include "gui/SurfaceTexture.h"
29
30#include <GLES/gl.h>
31#include <GLES2/gl2.h>
32#include <GLES/glext.h>
33
34using namespace android;
35using namespace android::renderscript;
36
37
38
39const static GLenum gFaceOrder[] = {
40    GL_TEXTURE_CUBE_MAP_POSITIVE_X,
41    GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
42    GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
43    GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
44    GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
45    GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
46};
47
48
49GLenum rsdTypeToGLType(RsDataType t) {
50    switch (t) {
51    case RS_TYPE_UNSIGNED_5_6_5:    return GL_UNSIGNED_SHORT_5_6_5;
52    case RS_TYPE_UNSIGNED_5_5_5_1:  return GL_UNSIGNED_SHORT_5_5_5_1;
53    case RS_TYPE_UNSIGNED_4_4_4_4:  return GL_UNSIGNED_SHORT_4_4_4_4;
54
55    //case RS_TYPE_FLOAT_16:      return GL_HALF_FLOAT;
56    case RS_TYPE_FLOAT_32:      return GL_FLOAT;
57    case RS_TYPE_UNSIGNED_8:    return GL_UNSIGNED_BYTE;
58    case RS_TYPE_UNSIGNED_16:   return GL_UNSIGNED_SHORT;
59    case RS_TYPE_SIGNED_8:      return GL_BYTE;
60    case RS_TYPE_SIGNED_16:     return GL_SHORT;
61    default:    break;
62    }
63    return 0;
64}
65
66GLenum rsdKindToGLFormat(RsDataKind k) {
67    switch (k) {
68    case RS_KIND_PIXEL_L: return GL_LUMINANCE;
69    case RS_KIND_PIXEL_A: return GL_ALPHA;
70    case RS_KIND_PIXEL_LA: return GL_LUMINANCE_ALPHA;
71    case RS_KIND_PIXEL_RGB: return GL_RGB;
72    case RS_KIND_PIXEL_RGBA: return GL_RGBA;
73    case RS_KIND_PIXEL_DEPTH: return GL_DEPTH_COMPONENT16;
74    default: break;
75    }
76    return 0;
77}
78
79uint8_t *GetOffsetPtr(const android::renderscript::Allocation *alloc,
80                      uint32_t xoff, uint32_t yoff, uint32_t lod,
81                      RsAllocationCubemapFace face) {
82    uint8_t *ptr = (uint8_t *)alloc->mHal.drvState.lod[lod].mallocPtr;
83    ptr += face * alloc->mHal.drvState.faceOffset;
84    ptr += yoff * alloc->mHal.drvState.lod[lod].stride;
85    ptr += xoff * alloc->mHal.state.elementSizeBytes;
86    return ptr;
87}
88
89
90static void Update2DTexture(const Context *rsc, const Allocation *alloc, const void *ptr,
91                            uint32_t xoff, uint32_t yoff, uint32_t lod,
92                            RsAllocationCubemapFace face, uint32_t w, uint32_t h) {
93    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
94
95    rsAssert(drv->textureID);
96    RSD_CALL_GL(glBindTexture, drv->glTarget, drv->textureID);
97    RSD_CALL_GL(glPixelStorei, GL_UNPACK_ALIGNMENT, 1);
98    GLenum t = GL_TEXTURE_2D;
99    if (alloc->mHal.state.hasFaces) {
100        t = gFaceOrder[face];
101    }
102    RSD_CALL_GL(glTexSubImage2D, t, lod, xoff, yoff, w, h, drv->glFormat, drv->glType, ptr);
103}
104
105
106static void Upload2DTexture(const Context *rsc, const Allocation *alloc, bool isFirstUpload) {
107    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
108
109    RSD_CALL_GL(glBindTexture, drv->glTarget, drv->textureID);
110    RSD_CALL_GL(glPixelStorei, GL_UNPACK_ALIGNMENT, 1);
111
112    uint32_t faceCount = 1;
113    if (alloc->mHal.state.hasFaces) {
114        faceCount = 6;
115    }
116
117    rsdGLCheckError(rsc, "Upload2DTexture 1 ");
118    for (uint32_t face = 0; face < faceCount; face ++) {
119        for (uint32_t lod = 0; lod < alloc->mHal.state.type->getLODCount(); lod++) {
120            const uint8_t *p = GetOffsetPtr(alloc, 0, 0, lod, (RsAllocationCubemapFace)face);
121
122            GLenum t = GL_TEXTURE_2D;
123            if (alloc->mHal.state.hasFaces) {
124                t = gFaceOrder[face];
125            }
126
127            if (isFirstUpload) {
128                RSD_CALL_GL(glTexImage2D, t, lod, drv->glFormat,
129                             alloc->mHal.state.type->getLODDimX(lod),
130                             alloc->mHal.state.type->getLODDimY(lod),
131                             0, drv->glFormat, drv->glType, p);
132            } else {
133                RSD_CALL_GL(glTexSubImage2D, t, lod, 0, 0,
134                                alloc->mHal.state.type->getLODDimX(lod),
135                                alloc->mHal.state.type->getLODDimY(lod),
136                                drv->glFormat, drv->glType, p);
137            }
138        }
139    }
140
141    if (alloc->mHal.state.mipmapControl == RS_ALLOCATION_MIPMAP_ON_SYNC_TO_TEXTURE) {
142        RSD_CALL_GL(glGenerateMipmap, drv->glTarget);
143    }
144    rsdGLCheckError(rsc, "Upload2DTexture");
145}
146
147static void UploadToTexture(const Context *rsc, const Allocation *alloc) {
148    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
149
150    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_INPUT) {
151        if (!drv->textureID) {
152            RSD_CALL_GL(glGenTextures, 1, &drv->textureID);
153        }
154        return;
155    }
156
157    if (!drv->glType || !drv->glFormat) {
158        return;
159    }
160
161    if (!alloc->mHal.drvState.lod[0].mallocPtr) {
162        return;
163    }
164
165    bool isFirstUpload = false;
166
167    if (!drv->textureID) {
168        RSD_CALL_GL(glGenTextures, 1, &drv->textureID);
169        isFirstUpload = true;
170    }
171
172    Upload2DTexture(rsc, alloc, isFirstUpload);
173
174    if (!(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT)) {
175        if (alloc->mHal.drvState.lod[0].mallocPtr) {
176            free(alloc->mHal.drvState.lod[0].mallocPtr);
177            alloc->mHal.drvState.lod[0].mallocPtr = NULL;
178        }
179    }
180    rsdGLCheckError(rsc, "UploadToTexture");
181}
182
183static void AllocateRenderTarget(const Context *rsc, const Allocation *alloc) {
184    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
185
186    if (!drv->glFormat) {
187        return;
188    }
189
190    if (!drv->renderTargetID) {
191        RSD_CALL_GL(glGenRenderbuffers, 1, &drv->renderTargetID);
192
193        if (!drv->renderTargetID) {
194            // This should generally not happen
195            ALOGE("allocateRenderTarget failed to gen mRenderTargetID");
196            rsc->dumpDebug();
197            return;
198        }
199        RSD_CALL_GL(glBindRenderbuffer, GL_RENDERBUFFER, drv->renderTargetID);
200        RSD_CALL_GL(glRenderbufferStorage, GL_RENDERBUFFER, drv->glFormat,
201                              alloc->mHal.state.dimensionX, alloc->mHal.state.dimensionY);
202    }
203    rsdGLCheckError(rsc, "AllocateRenderTarget");
204}
205
206static void UploadToBufferObject(const Context *rsc, const Allocation *alloc) {
207    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
208
209    rsAssert(!alloc->mHal.state.type->getDimY());
210    rsAssert(!alloc->mHal.state.type->getDimZ());
211
212    //alloc->mHal.state.usageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_VERTEX;
213
214    if (!drv->bufferID) {
215        RSD_CALL_GL(glGenBuffers, 1, &drv->bufferID);
216    }
217    if (!drv->bufferID) {
218        ALOGE("Upload to buffer object failed");
219        drv->uploadDeferred = true;
220        return;
221    }
222    RSD_CALL_GL(glBindBuffer, drv->glTarget, drv->bufferID);
223    RSD_CALL_GL(glBufferData, drv->glTarget, alloc->mHal.state.type->getSizeBytes(),
224                 alloc->mHal.drvState.lod[0].mallocPtr, GL_DYNAMIC_DRAW);
225    RSD_CALL_GL(glBindBuffer, drv->glTarget, 0);
226    rsdGLCheckError(rsc, "UploadToBufferObject");
227}
228
229static size_t AllocationBuildPointerTable(const Context *rsc, const Allocation *alloc,
230        const Type *type, uint8_t *ptr) {
231    alloc->mHal.drvState.lod[0].dimX = type->getDimX();
232    alloc->mHal.drvState.lod[0].dimY = type->getDimY();
233    alloc->mHal.drvState.lod[0].dimZ = type->getDimZ();
234    alloc->mHal.drvState.lod[0].mallocPtr = 0;
235    alloc->mHal.drvState.lod[0].stride = alloc->mHal.drvState.lod[0].dimX * type->getElementSizeBytes();
236    alloc->mHal.drvState.lodCount = type->getLODCount();
237    alloc->mHal.drvState.faceCount = type->getDimFaces();
238
239    size_t offsets[Allocation::MAX_LOD];
240    memset(offsets, 0, sizeof(offsets));
241
242    size_t o = alloc->mHal.drvState.lod[0].stride * rsMax(alloc->mHal.drvState.lod[0].dimY, 1u) *
243            rsMax(alloc->mHal.drvState.lod[0].dimZ, 1u);
244    if(alloc->mHal.drvState.lodCount > 1) {
245        uint32_t tx = alloc->mHal.drvState.lod[0].dimX;
246        uint32_t ty = alloc->mHal.drvState.lod[0].dimY;
247        uint32_t tz = alloc->mHal.drvState.lod[0].dimZ;
248        for (uint32_t lod=1; lod < alloc->mHal.drvState.lodCount; lod++) {
249            alloc->mHal.drvState.lod[lod].dimX = tx;
250            alloc->mHal.drvState.lod[lod].dimY = ty;
251            alloc->mHal.drvState.lod[lod].dimZ = tz;
252            alloc->mHal.drvState.lod[lod].stride = tx * type->getElementSizeBytes();
253            offsets[lod] = o;
254            o += alloc->mHal.drvState.lod[lod].stride * rsMax(ty, 1u) * rsMax(tz, 1u);
255            if (tx > 1) tx >>= 1;
256            if (ty > 1) ty >>= 1;
257            if (tz > 1) tz >>= 1;
258        }
259    }
260    alloc->mHal.drvState.faceOffset = o;
261
262    alloc->mHal.drvState.lod[0].mallocPtr = ptr;
263    for (uint32_t lod=1; lod < alloc->mHal.drvState.lodCount; lod++) {
264        alloc->mHal.drvState.lod[lod].mallocPtr = ptr + offsets[lod];
265    }
266
267    size_t allocSize = alloc->mHal.drvState.faceOffset;
268    if(alloc->mHal.drvState.faceCount) {
269        allocSize *= 6;
270    }
271
272    return allocSize;
273}
274
275bool rsdAllocationInit(const Context *rsc, Allocation *alloc, bool forceZero) {
276    DrvAllocation *drv = (DrvAllocation *)calloc(1, sizeof(DrvAllocation));
277    if (!drv) {
278        return false;
279    }
280    alloc->mHal.drv = drv;
281
282    // Calculate the object size.
283    size_t allocSize = AllocationBuildPointerTable(rsc, alloc, alloc->getType(), NULL);
284
285    uint8_t * ptr = NULL;
286    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT) {
287    } else if (alloc->mHal.state.userProvidedPtr != NULL) {
288        // user-provided allocation
289        // limitations: no faces, no LOD, USAGE_SCRIPT only
290        if (alloc->mHal.state.usageFlags != RS_ALLOCATION_USAGE_SCRIPT) {
291            ALOGE("Can't use user-allocated buffers if usage is not USAGE_SCRIPT");
292            return false;
293        }
294        if (alloc->getType()->getDimLOD() || alloc->getType()->getDimFaces()) {
295            ALOGE("User-allocated buffers must not have multiple faces or LODs");
296            return false;
297        }
298        ptr = (uint8_t*)alloc->mHal.state.userProvidedPtr;
299    } else {
300        if (forceZero) {
301            ptr = (uint8_t *)calloc(1, allocSize);
302        } else {
303            ptr = (uint8_t *)malloc(allocSize);
304        }
305        if (!ptr) {
306            alloc->mHal.drv = NULL;
307            free(drv);
308            return false;
309        }
310    }
311    // Build the pointer tables
312    size_t verifySize = AllocationBuildPointerTable(rsc, alloc, alloc->getType(), ptr);
313    if(allocSize != verifySize) {
314        rsAssert(!"Size mismatch");
315    }
316
317    drv->glTarget = GL_NONE;
318    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) {
319        if (alloc->mHal.state.hasFaces) {
320            drv->glTarget = GL_TEXTURE_CUBE_MAP;
321        } else {
322            drv->glTarget = GL_TEXTURE_2D;
323        }
324    } else {
325        if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) {
326            drv->glTarget = GL_ARRAY_BUFFER;
327        }
328    }
329
330    drv->glType = rsdTypeToGLType(alloc->mHal.state.type->getElement()->getComponent().getType());
331    drv->glFormat = rsdKindToGLFormat(alloc->mHal.state.type->getElement()->getComponent().getKind());
332
333    if (alloc->mHal.state.usageFlags & ~RS_ALLOCATION_USAGE_SCRIPT) {
334        drv->uploadDeferred = true;
335    }
336
337
338    drv->readBackFBO = NULL;
339
340    return true;
341}
342
343void rsdAllocationDestroy(const Context *rsc, Allocation *alloc) {
344    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
345
346    if (drv->bufferID) {
347        // Causes a SW crash....
348        //ALOGV(" mBufferID %i", mBufferID);
349        //glDeleteBuffers(1, &mBufferID);
350        //mBufferID = 0;
351    }
352    if (drv->textureID) {
353        RSD_CALL_GL(glDeleteTextures, 1, &drv->textureID);
354        drv->textureID = 0;
355    }
356    if (drv->renderTargetID) {
357        RSD_CALL_GL(glDeleteRenderbuffers, 1, &drv->renderTargetID);
358        drv->renderTargetID = 0;
359    }
360
361    if (alloc->mHal.drvState.lod[0].mallocPtr) {
362        // don't free user-allocated ptrs
363        if (!alloc->mHal.state.userProvidedPtr) {
364            free(alloc->mHal.drvState.lod[0].mallocPtr);
365        }
366        alloc->mHal.drvState.lod[0].mallocPtr = NULL;
367    }
368    if (drv->readBackFBO != NULL) {
369        delete drv->readBackFBO;
370        drv->readBackFBO = NULL;
371    }
372    free(drv);
373    alloc->mHal.drv = NULL;
374}
375
376void rsdAllocationResize(const Context *rsc, const Allocation *alloc,
377                         const Type *newType, bool zeroNew) {
378    void * oldPtr = alloc->mHal.drvState.lod[0].mallocPtr;
379    // Calculate the object size
380    size_t s = AllocationBuildPointerTable(rsc, alloc, newType, NULL);
381    uint8_t *ptr = (uint8_t *)realloc(oldPtr, s);
382    // Build the relative pointer tables.
383    size_t verifySize = AllocationBuildPointerTable(rsc, alloc, newType, ptr);
384    if(s != verifySize) {
385        rsAssert(!"Size mismatch");
386    }
387
388    const uint32_t oldDimX = alloc->mHal.state.dimensionX;
389    const uint32_t dimX = newType->getDimX();
390
391    if (dimX > oldDimX) {
392        uint32_t stride = alloc->mHal.state.elementSizeBytes;
393        memset(((uint8_t *)alloc->mHal.drvState.lod[0].mallocPtr) + stride * oldDimX,
394                 0, stride * (dimX - oldDimX));
395    }
396}
397
398static void rsdAllocationSyncFromFBO(const Context *rsc, const Allocation *alloc) {
399    if (!alloc->getIsScript()) {
400        return; // nothing to sync
401    }
402
403    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
404    RsdFrameBufferObj *lastFbo = dc->gl.currentFrameBuffer;
405
406    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
407    if (!drv->textureID && !drv->renderTargetID) {
408        return; // nothing was rendered here yet, so nothing to sync
409    }
410    if (drv->readBackFBO == NULL) {
411        drv->readBackFBO = new RsdFrameBufferObj();
412        drv->readBackFBO->setColorTarget(drv, 0);
413        drv->readBackFBO->setDimensions(alloc->getType()->getDimX(),
414                                        alloc->getType()->getDimY());
415    }
416
417    // Bind the framebuffer object so we can read back from it
418    drv->readBackFBO->setActive(rsc);
419
420    // Do the readback
421    RSD_CALL_GL(glReadPixels, 0, 0, alloc->mHal.drvState.lod[0].dimX,
422                alloc->mHal.drvState.lod[0].dimY,
423                drv->glFormat, drv->glType, alloc->mHal.drvState.lod[0].mallocPtr);
424
425    // Revert framebuffer to its original
426    lastFbo->setActive(rsc);
427}
428
429
430void rsdAllocationSyncAll(const Context *rsc, const Allocation *alloc,
431                         RsAllocationUsageType src) {
432    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
433
434    if (src == RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
435        if(!alloc->getIsRenderTarget()) {
436            rsc->setError(RS_ERROR_FATAL_DRIVER,
437                          "Attempting to sync allocation from render target, "
438                          "for non-render target allocation");
439        } else if (alloc->getType()->getElement()->getKind() != RS_KIND_PIXEL_RGBA) {
440            rsc->setError(RS_ERROR_FATAL_DRIVER, "Cannot only sync from RGBA"
441                                                 "render target");
442        } else {
443            rsdAllocationSyncFromFBO(rsc, alloc);
444        }
445        return;
446    }
447
448    rsAssert(src == RS_ALLOCATION_USAGE_SCRIPT);
449
450    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) {
451        UploadToTexture(rsc, alloc);
452    } else {
453        if ((alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) &&
454            !(alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT)) {
455            AllocateRenderTarget(rsc, alloc);
456        }
457    }
458    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) {
459        UploadToBufferObject(rsc, alloc);
460    }
461
462    drv->uploadDeferred = false;
463}
464
465void rsdAllocationMarkDirty(const Context *rsc, const Allocation *alloc) {
466    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
467    drv->uploadDeferred = true;
468}
469
470int32_t rsdAllocationInitSurfaceTexture(const Context *rsc, const Allocation *alloc) {
471    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
472    UploadToTexture(rsc, alloc);
473    return drv->textureID;
474}
475
476static bool IoGetBuffer(const Context *rsc, Allocation *alloc, ANativeWindow *nw) {
477    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
478
479    int32_t r = native_window_dequeue_buffer_and_wait(nw, &drv->wndBuffer);
480    if (r) {
481        rsc->setError(RS_ERROR_DRIVER, "Error getting next IO output buffer.");
482        return false;
483    }
484
485    // Must lock the whole surface
486    GraphicBufferMapper &mapper = GraphicBufferMapper::get();
487    Rect bounds(drv->wndBuffer->width, drv->wndBuffer->height);
488
489    void *dst = NULL;
490    mapper.lock(drv->wndBuffer->handle,
491            GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN,
492            bounds, &dst);
493    alloc->mHal.drvState.lod[0].mallocPtr = dst;
494    alloc->mHal.drvState.lod[0].stride = drv->wndBuffer->stride * alloc->mHal.state.elementSizeBytes;
495
496    return true;
497}
498
499void rsdAllocationSetSurfaceTexture(const Context *rsc, Allocation *alloc, ANativeWindow *nw) {
500    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
501
502    //ALOGE("rsdAllocationSetSurfaceTexture %p  %p", alloc, nw);
503
504    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
505        //TODO finish support for render target + script
506        drv->wnd = nw;
507        return;
508    }
509
510
511    // Cleanup old surface if there is one.
512    if (alloc->mHal.state.wndSurface) {
513        ANativeWindow *old = alloc->mHal.state.wndSurface;
514        GraphicBufferMapper &mapper = GraphicBufferMapper::get();
515        mapper.unlock(drv->wndBuffer->handle);
516        old->queueBuffer(old, drv->wndBuffer, -1);
517    }
518
519    if (nw != NULL) {
520        int32_t r;
521        uint32_t flags = 0;
522        if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) {
523            flags |= GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_OFTEN;
524        }
525        if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
526            flags |= GRALLOC_USAGE_HW_RENDER;
527        }
528
529        r = native_window_set_usage(nw, flags);
530        if (r) {
531            rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer usage.");
532            return;
533        }
534
535        r = native_window_set_buffers_dimensions(nw, alloc->mHal.state.dimensionX,
536                                                 alloc->mHal.state.dimensionY);
537        if (r) {
538            rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer dimensions.");
539            return;
540        }
541
542        r = native_window_set_buffer_count(nw, 3);
543        if (r) {
544            rsc->setError(RS_ERROR_DRIVER, "Error setting IO output buffer count.");
545            return;
546        }
547
548        IoGetBuffer(rsc, alloc, nw);
549    }
550}
551
552void rsdAllocationIoSend(const Context *rsc, Allocation *alloc) {
553    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
554    ANativeWindow *nw = alloc->mHal.state.wndSurface;
555
556    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) {
557        RsdHal *dc = (RsdHal *)rsc->mHal.drv;
558        RSD_CALL_GL(eglSwapBuffers, dc->gl.egl.display, dc->gl.egl.surface);
559        return;
560    }
561
562    if (alloc->mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) {
563        GraphicBufferMapper &mapper = GraphicBufferMapper::get();
564        mapper.unlock(drv->wndBuffer->handle);
565        int32_t r = nw->queueBuffer(nw, drv->wndBuffer, -1);
566        if (r) {
567            rsc->setError(RS_ERROR_DRIVER, "Error sending IO output buffer.");
568            return;
569        }
570
571        IoGetBuffer(rsc, alloc, nw);
572    }
573}
574
575void rsdAllocationIoReceive(const Context *rsc, Allocation *alloc) {
576    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
577    alloc->mHal.state.surfaceTexture->updateTexImage();
578}
579
580
581void rsdAllocationData1D(const Context *rsc, const Allocation *alloc,
582                         uint32_t xoff, uint32_t lod, uint32_t count,
583                         const void *data, size_t sizeBytes) {
584    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
585
586    const uint32_t eSize = alloc->mHal.state.type->getElementSizeBytes();
587    uint8_t * ptr = GetOffsetPtr(alloc, xoff, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
588    uint32_t size = count * eSize;
589
590    if (ptr != data) {
591        // Skip the copy if we are the same allocation. This can arise from
592        // our Bitmap optimization, where we share the same storage.
593        if (alloc->mHal.state.hasReferences) {
594            alloc->incRefs(data, count);
595            alloc->decRefs(ptr, count);
596        }
597        memcpy(ptr, data, size);
598    }
599    drv->uploadDeferred = true;
600}
601
602void rsdAllocationData2D(const Context *rsc, const Allocation *alloc,
603                         uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
604                         uint32_t w, uint32_t h, const void *data, size_t sizeBytes, size_t stride) {
605    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
606
607    uint32_t eSize = alloc->mHal.state.elementSizeBytes;
608    uint32_t lineSize = eSize * w;
609    if (!stride) {
610        stride = lineSize;
611    }
612
613    if (alloc->mHal.drvState.lod[0].mallocPtr) {
614        const uint8_t *src = static_cast<const uint8_t *>(data);
615        uint8_t *dst = GetOffsetPtr(alloc, xoff, yoff, lod, face);
616        if (dst == src) {
617            // Skip the copy if we are the same allocation. This can arise from
618            // our Bitmap optimization, where we share the same storage.
619            drv->uploadDeferred = true;
620            return;
621        }
622
623        for (uint32_t line=yoff; line < (yoff+h); line++) {
624            if (alloc->mHal.state.hasReferences) {
625                alloc->incRefs(src, w);
626                alloc->decRefs(dst, w);
627            }
628            memcpy(dst, src, lineSize);
629            src += stride;
630            dst += alloc->mHal.drvState.lod[lod].stride;
631        }
632        drv->uploadDeferred = true;
633    } else {
634        Update2DTexture(rsc, alloc, data, xoff, yoff, lod, face, w, h);
635    }
636}
637
638void rsdAllocationData3D(const Context *rsc, const Allocation *alloc,
639                         uint32_t xoff, uint32_t yoff, uint32_t zoff,
640                         uint32_t lod, RsAllocationCubemapFace face,
641                         uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes) {
642
643}
644
645void rsdAllocationRead1D(const Context *rsc, const Allocation *alloc,
646                         uint32_t xoff, uint32_t lod, uint32_t count,
647                         void *data, size_t sizeBytes) {
648    const uint32_t eSize = alloc->mHal.state.type->getElementSizeBytes();
649    const uint8_t * ptr = GetOffsetPtr(alloc, xoff, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
650    if (data != ptr) {
651        // Skip the copy if we are the same allocation. This can arise from
652        // our Bitmap optimization, where we share the same storage.
653        memcpy(data, ptr, count * eSize);
654    }
655}
656
657void rsdAllocationRead2D(const Context *rsc, const Allocation *alloc,
658                                uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
659                                uint32_t w, uint32_t h, void *data, size_t sizeBytes, size_t stride) {
660    uint32_t eSize = alloc->mHal.state.elementSizeBytes;
661    uint32_t lineSize = eSize * w;
662    if (!stride) {
663        stride = lineSize;
664    }
665
666    if (alloc->mHal.drvState.lod[0].mallocPtr) {
667        uint8_t *dst = static_cast<uint8_t *>(data);
668        const uint8_t *src = GetOffsetPtr(alloc, xoff, yoff, lod, face);
669        if (dst == src) {
670            // Skip the copy if we are the same allocation. This can arise from
671            // our Bitmap optimization, where we share the same storage.
672            return;
673        }
674
675        for (uint32_t line=yoff; line < (yoff+h); line++) {
676            memcpy(dst, src, lineSize);
677            dst += stride;
678            src += alloc->mHal.drvState.lod[lod].stride;
679        }
680    } else {
681        ALOGE("Add code to readback from non-script memory");
682    }
683}
684
685
686void rsdAllocationRead3D(const Context *rsc, const Allocation *alloc,
687                         uint32_t xoff, uint32_t yoff, uint32_t zoff,
688                         uint32_t lod, RsAllocationCubemapFace face,
689                         uint32_t w, uint32_t h, uint32_t d, void *data, uint32_t sizeBytes) {
690
691}
692
693void * rsdAllocationLock1D(const android::renderscript::Context *rsc,
694                          const android::renderscript::Allocation *alloc) {
695    return alloc->mHal.drvState.lod[0].mallocPtr;
696}
697
698void rsdAllocationUnlock1D(const android::renderscript::Context *rsc,
699                          const android::renderscript::Allocation *alloc) {
700
701}
702
703void rsdAllocationData1D_alloc(const android::renderscript::Context *rsc,
704                               const android::renderscript::Allocation *dstAlloc,
705                               uint32_t dstXoff, uint32_t dstLod, uint32_t count,
706                               const android::renderscript::Allocation *srcAlloc,
707                               uint32_t srcXoff, uint32_t srcLod) {
708}
709
710
711void rsdAllocationData2D_alloc_script(const android::renderscript::Context *rsc,
712                                      const android::renderscript::Allocation *dstAlloc,
713                                      uint32_t dstXoff, uint32_t dstYoff, uint32_t dstLod,
714                                      RsAllocationCubemapFace dstFace, uint32_t w, uint32_t h,
715                                      const android::renderscript::Allocation *srcAlloc,
716                                      uint32_t srcXoff, uint32_t srcYoff, uint32_t srcLod,
717                                      RsAllocationCubemapFace srcFace) {
718    uint32_t elementSize = dstAlloc->getType()->getElementSizeBytes();
719    for (uint32_t i = 0; i < h; i ++) {
720        uint8_t *dstPtr = GetOffsetPtr(dstAlloc, dstXoff, dstYoff + i, dstLod, dstFace);
721        uint8_t *srcPtr = GetOffsetPtr(srcAlloc, srcXoff, srcYoff + i, srcLod, srcFace);
722        memcpy(dstPtr, srcPtr, w * elementSize);
723
724        //ALOGE("COPIED dstXoff(%u), dstYoff(%u), dstLod(%u), dstFace(%u), w(%u), h(%u), srcXoff(%u), srcYoff(%u), srcLod(%u), srcFace(%u)",
725        //     dstXoff, dstYoff, dstLod, dstFace, w, h, srcXoff, srcYoff, srcLod, srcFace);
726    }
727}
728
729void rsdAllocationData2D_alloc(const android::renderscript::Context *rsc,
730                               const android::renderscript::Allocation *dstAlloc,
731                               uint32_t dstXoff, uint32_t dstYoff, uint32_t dstLod,
732                               RsAllocationCubemapFace dstFace, uint32_t w, uint32_t h,
733                               const android::renderscript::Allocation *srcAlloc,
734                               uint32_t srcXoff, uint32_t srcYoff, uint32_t srcLod,
735                               RsAllocationCubemapFace srcFace) {
736    if (!dstAlloc->getIsScript() && !srcAlloc->getIsScript()) {
737        rsc->setError(RS_ERROR_FATAL_DRIVER, "Non-script allocation copies not "
738                                             "yet implemented.");
739        return;
740    }
741    rsdAllocationData2D_alloc_script(rsc, dstAlloc, dstXoff, dstYoff,
742                                     dstLod, dstFace, w, h, srcAlloc,
743                                     srcXoff, srcYoff, srcLod, srcFace);
744}
745
746void rsdAllocationData3D_alloc(const android::renderscript::Context *rsc,
747                               const android::renderscript::Allocation *dstAlloc,
748                               uint32_t dstXoff, uint32_t dstYoff, uint32_t dstZoff,
749                               uint32_t dstLod, RsAllocationCubemapFace dstFace,
750                               uint32_t w, uint32_t h, uint32_t d,
751                               const android::renderscript::Allocation *srcAlloc,
752                               uint32_t srcXoff, uint32_t srcYoff, uint32_t srcZoff,
753                               uint32_t srcLod, RsAllocationCubemapFace srcFace) {
754}
755
756void rsdAllocationElementData1D(const Context *rsc, const Allocation *alloc,
757                                uint32_t x,
758                                const void *data, uint32_t cIdx, uint32_t sizeBytes) {
759    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
760
761    uint32_t eSize = alloc->mHal.state.elementSizeBytes;
762    uint8_t * ptr = GetOffsetPtr(alloc, x, 0, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
763
764    const Element * e = alloc->mHal.state.type->getElement()->getField(cIdx);
765    ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
766
767    if (alloc->mHal.state.hasReferences) {
768        e->incRefs(data);
769        e->decRefs(ptr);
770    }
771
772    memcpy(ptr, data, sizeBytes);
773    drv->uploadDeferred = true;
774}
775
776void rsdAllocationElementData2D(const Context *rsc, const Allocation *alloc,
777                                uint32_t x, uint32_t y,
778                                const void *data, uint32_t cIdx, uint32_t sizeBytes) {
779    DrvAllocation *drv = (DrvAllocation *)alloc->mHal.drv;
780
781    uint32_t eSize = alloc->mHal.state.elementSizeBytes;
782    uint8_t * ptr = GetOffsetPtr(alloc, x, y, 0, RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X);
783
784    const Element * e = alloc->mHal.state.type->getElement()->getField(cIdx);
785    ptr += alloc->mHal.state.type->getElement()->getFieldOffsetBytes(cIdx);
786
787    if (alloc->mHal.state.hasReferences) {
788        e->incRefs(data);
789        e->decRefs(ptr);
790    }
791
792    memcpy(ptr, data, sizeBytes);
793    drv->uploadDeferred = true;
794}
795
796static void mip565(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
797    uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
798    uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
799
800    for (uint32_t y=0; y < h; y++) {
801        uint16_t *oPtr = (uint16_t *)GetOffsetPtr(alloc, 0, y, lod + 1, face);
802        const uint16_t *i1 = (uint16_t *)GetOffsetPtr(alloc, 0, y*2, lod, face);
803        const uint16_t *i2 = (uint16_t *)GetOffsetPtr(alloc, 0, y*2+1, lod, face);
804
805        for (uint32_t x=0; x < w; x++) {
806            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
807            oPtr ++;
808            i1 += 2;
809            i2 += 2;
810        }
811    }
812}
813
814static void mip8888(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
815    uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
816    uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
817
818    for (uint32_t y=0; y < h; y++) {
819        uint32_t *oPtr = (uint32_t *)GetOffsetPtr(alloc, 0, y, lod + 1, face);
820        const uint32_t *i1 = (uint32_t *)GetOffsetPtr(alloc, 0, y*2, lod, face);
821        const uint32_t *i2 = (uint32_t *)GetOffsetPtr(alloc, 0, y*2+1, lod, face);
822
823        for (uint32_t x=0; x < w; x++) {
824            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
825            oPtr ++;
826            i1 += 2;
827            i2 += 2;
828        }
829    }
830}
831
832static void mip8(const Allocation *alloc, int lod, RsAllocationCubemapFace face) {
833    uint32_t w = alloc->mHal.drvState.lod[lod + 1].dimX;
834    uint32_t h = alloc->mHal.drvState.lod[lod + 1].dimY;
835
836    for (uint32_t y=0; y < h; y++) {
837        uint8_t *oPtr = GetOffsetPtr(alloc, 0, y, lod + 1, face);
838        const uint8_t *i1 = GetOffsetPtr(alloc, 0, y*2, lod, face);
839        const uint8_t *i2 = GetOffsetPtr(alloc, 0, y*2+1, lod, face);
840
841        for (uint32_t x=0; x < w; x++) {
842            *oPtr = (uint8_t)(((uint32_t)i1[0] + i1[1] + i2[0] + i2[1]) * 0.25f);
843            oPtr ++;
844            i1 += 2;
845            i2 += 2;
846        }
847    }
848}
849
850void rsdAllocationGenerateMipmaps(const Context *rsc, const Allocation *alloc) {
851    if(!alloc->mHal.drvState.lod[0].mallocPtr) {
852        return;
853    }
854    uint32_t numFaces = alloc->getType()->getDimFaces() ? 6 : 1;
855    for (uint32_t face = 0; face < numFaces; face ++) {
856        for (uint32_t lod=0; lod < (alloc->getType()->getLODCount() -1); lod++) {
857            switch (alloc->getType()->getElement()->getSizeBits()) {
858            case 32:
859                mip8888(alloc, lod, (RsAllocationCubemapFace)face);
860                break;
861            case 16:
862                mip565(alloc, lod, (RsAllocationCubemapFace)face);
863                break;
864            case 8:
865                mip8(alloc, lod, (RsAllocationCubemapFace)face);
866                break;
867            }
868        }
869    }
870}
871
872
873