Merge change 2362

* changes:
  Add the Renderscript library. (Not in the build by default yet.)

1 files changed, 325 insertions, 0 deletions

diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
new file mode 100644
index 0000000..f3f2e46
--- /dev/null
+++ b/libs/rs/rsAllocation.cpp
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "rsContext.h"
+
+using namespace android;
+using namespace android::renderscript;
+
+Allocation::Allocation(const Type *type)
+{
+    mPtr = NULL;
+
+    mCpuWrite = false;
+    mCpuRead = false;
+    mGpuWrite = false;
+    mGpuRead = false;
+
+    mReadWriteRatio = 0;
+    mUpdateSize = 0;
+
+    mIsTexture = false;
+    mTextureID = 0;
+
+    mIsVertexBuffer = false;
+    mBufferID = 0;
+
+    mType.set(type);
+    mPtr = malloc(mType->getSizeBytes());
+    if (!mPtr) {
+        LOGE("Allocation::Allocation, alloc failure");
+    }
+
+}
+
+Allocation::~Allocation()
+{
+}
+
+void Allocation::setCpuWritable(bool)
+{
+}
+
+void Allocation::setGpuWritable(bool)
+{
+}
+
+void Allocation::setCpuReadable(bool)
+{
+}
+
+void Allocation::setGpuReadable(bool)
+{
+}
+
+bool Allocation::fixAllocation()
+{
+    return false;
+}
+
+void Allocation::uploadToTexture(uint32_t lodOffset)
+{
+    //rsAssert(!mTextureId);
+    rsAssert(lodOffset < mType->getLODCount());
+
+    //LOGE("uploadToTexture  %i,  lod %i", mTextureID, lodOffset);
+
+    if (!mTextureID) {
+        glGenTextures(1, &mTextureID);
+    }
+    glBindTexture(GL_TEXTURE_2D, mTextureID);
+
+    Adapter2D adapt(this);
+    for(uint32_t lod = 0; (lod + lodOffset) < mType->getLODCount(); lod++) {
+        adapt.setLOD(lod+lodOffset);
+
+        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
+        glTexImage2D(GL_TEXTURE_2D, lod, GL_RGB, 
+                     adapt.getDimX(), adapt.getDimY(), 
+                     0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, ptr);
+    }
+}
+
+void Allocation::uploadToBufferObject()
+{
+    rsAssert(!mType->getDimY());
+    rsAssert(!mType->getDimZ());
+
+    //LOGE("uploadToTexture  %i,  lod %i", mTextureID, lodOffset);
+
+    if (!mBufferID) {
+        glGenBuffers(1, &mBufferID);
+    }
+    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
+    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+void Allocation::data(const void *data)
+{
+    memcpy(mPtr, data, mType->getSizeBytes());
+}
+
+void Allocation::subData(uint32_t xoff, uint32_t count, const void *data)
+{
+    uint32_t eSize = mType->getElementSizeBytes();
+    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
+    ptr += eSize * xoff;
+    memcpy(ptr, data, count * eSize);
+}
+
+void Allocation::subData(uint32_t xoff, uint32_t yoff, 
+             uint32_t w, uint32_t h, const void *data)
+{
+    uint32_t eSize = mType->getElementSizeBytes();
+    uint32_t lineSize = eSize * w;
+    uint32_t destW = mType->getDimX();
+
+    const uint8_t *src = static_cast<const uint8_t *>(data);
+    uint8_t *dst = static_cast<uint8_t *>(mPtr);
+    dst += eSize * (xoff + yoff * destW);
+    for (uint32_t line=yoff; line < (yoff+h); line++) {
+        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
+        memcpy(dst, src, lineSize);
+        src += lineSize;
+        dst += destW * eSize;
+    }
+}
+
+void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
+             uint32_t w, uint32_t h, uint32_t d, const void *data)
+{
+}
+
+
+
+/////////////////
+// 
+
+
+namespace android {
+namespace renderscript {
+
+RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
+{
+    const Type * type = static_cast<const Type *>(vtype);
+
+    Allocation * alloc = new Allocation(type);
+    return alloc;
+}
+
+RsAllocation rsi_AllocationCreatePredefSized(Context *rsc, RsElementPredefined t, size_t count)
+{
+    RsElement e = rsi_ElementGetPredefined(rsc, t);
+    return rsi_AllocationCreateSized(rsc, e, count);
+}
+
+RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
+{
+    Type * type = new Type();
+    type->setDimX(count);
+    type->setElement(static_cast<Element *>(e));
+    type->compute();
+    return rsi_AllocationCreateTyped(rsc, type);
+}
+
+void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
+{
+    Allocation *alloc = static_cast<Allocation *>(va);
+    alloc->uploadToTexture(baseMipLevel);
+}
+
+void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
+{
+    Allocation *alloc = static_cast<Allocation *>(va);
+    alloc->uploadToBufferObject();
+}
+
+void rsi_AllocationDestroy(Context *rsc, RsAllocation)
+{
+}
+
+static void mip(const Adapter2D &out, const Adapter2D &in)
+{
+    uint32_t w = out.getDimX();
+    uint32_t h = out.getDimY();
+
+    for (uint32_t y=0; y < w; y++) {
+        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
+        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
+        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
+
+        for (uint32_t x=0; x < h; x++) {
+            *oPtr = rsBoxFilter565(i1[0], i1[2], i2[0], i2[1]);
+            oPtr ++;
+            i1 += 2;
+            i2 += 2;
+        }
+    }
+
+}
+
+
+RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, const char *file, bool genMips)
+{
+    typedef struct _Win3xBitmapHeader
+    {
+       uint16_t type;
+       uint32_t totalSize;
+       uint32_t reserved;
+       uint32_t offset;
+       int32_t hdrSize;            /* Size of this header in bytes */
+       int32_t width;           /* Image width in pixels */
+       int32_t height;          /* Image height in pixels */
+       int16_t planes;          /* Number of color planes */
+       int16_t bpp;             /* Number of bits per pixel */
+       /* Fields added for Windows 3.x follow this line */
+       int32_t compression;     /* Compression methods used */
+       int32_t sizeOfBitmap;    /* Size of bitmap in bytes */
+       int32_t horzResolution;  /* Horizontal resolution in pixels per meter */
+       int32_t vertResolution;  /* Vertical resolution in pixels per meter */
+       int32_t colorsUsed;      /* Number of colors in the image */
+       int32_t colorsImportant; /* Minimum number of important colors */
+    } __attribute__((__packed__)) WIN3XBITMAPHEADER;
+
+    _Win3xBitmapHeader hdr;
+
+    FILE *f = fopen(file, "rb");
+    if (f == NULL) {
+        LOGE("rsAllocationCreateFromBitmap failed to open file %s", file);
+        return NULL;
+    }
+    memset(&hdr, 0, sizeof(hdr));
+    fread(&hdr, sizeof(hdr), 1, f);
+
+    if (hdr.bpp != 24) {
+        LOGE("Unsuported BMP type");
+        fclose(f);
+        return NULL;
+    }
+
+    int32_t texWidth = rsHigherPow2(hdr.width);
+    int32_t texHeight = rsHigherPow2(hdr.height);
+
+    rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGB_565));
+    rsi_TypeAdd(rsc, RS_DIMENSION_X, texWidth);
+    rsi_TypeAdd(rsc, RS_DIMENSION_Y, texHeight);
+    if (genMips) {
+        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
+    }
+    RsType type = rsi_TypeCreate(rsc);
+
+    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
+    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
+    texAlloc->incRef();
+    if (texAlloc == NULL) {
+        LOGE("Memory allocation failure");
+        fclose(f);
+        return NULL;
+    }
+
+    // offset to letterbox if height is not pow2
+    Adapter2D adapt(texAlloc);
+    uint8_t * fileInBuf = new uint8_t[texWidth * 3];
+    uint32_t yOffset = (hdr.width - hdr.height) / 2;
+    uint16_t *tmp = static_cast<uint16_t *>(adapt.getElement(0, yOffset));
+
+    for (int y=0; y < hdr.height; y++) {
+        fseek(f, hdr.offset + (y*hdr.width*3), SEEK_SET);
+        fread(fileInBuf, 1, hdr.width * 3, f);
+        for(int x=0; x < hdr.width; x++) {
+            *tmp = rs888to565(fileInBuf[x*3], fileInBuf[x*3 + 1], fileInBuf[x*3 + 2]);
+            tmp++;
+        }
+    }
+
+    fclose(f);
+    delete [] fileInBuf;
+
+    if (genMips) {
+        Adapter2D adapt2(texAlloc);
+        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
+            adapt.setLOD(lod);
+            adapt2.setLOD(lod + 1);
+            mip(adapt2, adapt);
+        }
+    }
+
+    return texAlloc;
+}
+
+
+void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data)
+{
+    Allocation *a = static_cast<Allocation *>(va);
+    a->data(data);
+}
+
+void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data)
+{
+    Allocation *a = static_cast<Allocation *>(va);
+    a->subData(xoff, count, data);
+}
+
+void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data)
+{
+    Allocation *a = static_cast<Allocation *>(va);
+    a->subData(xoff, yoff, w, h, data);
+}
+
+
+}
+}