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/*
* 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"
#include <GLES/gl.h>
#include <GLES/glext.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());
GLenum type = mType->getElement()->getGLType();
GLenum format = mType->getElement()->getGLFormat();
if (!type || !format) {
return;
}
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, format,
adapt.getDimX(), adapt.getDimY(),
0, format, type, ptr);
}
}
void Allocation::uploadToBufferObject()
{
rsAssert(!mType->getDimY());
rsAssert(!mType->getDimZ());
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);
alloc->incRef();
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 mip565(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[1], i2[0], i2[1]);
oPtr ++;
i1 += 2;
i2 += 2;
}
}
}
static void mip8888(const Adapter2D &out, const Adapter2D &in)
{
uint32_t w = out.getDimX();
uint32_t h = out.getDimY();
for (uint32_t y=0; y < w; y++) {
uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
for (uint32_t x=0; x < h; x++) {
*oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
oPtr ++;
i1 += 2;
i2 += 2;
}
}
}
typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
{
memcpy(dst, src, count * 2);
}
static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
{
memcpy(dst, src, count);
}
static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
{
memcpy(dst, src, count * 4);
}
static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
{
uint16_t *d = static_cast<uint16_t *>(dst);
const uint8_t *s = static_cast<const uint8_t *>(src);
while(count--) {
*d = rs888to565(s[0], s[1], s[2]);
d++;
s+= 3;
}
}
static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
{
uint16_t *d = static_cast<uint16_t *>(dst);
const uint8_t *s = static_cast<const uint8_t *>(src);
while(count--) {
*d = rs888to565(s[0], s[1], s[2]);
d++;
s+= 4;
}
}
static ElementConverter_t pickConverter(RsElementPredefined dstFmt, RsElementPredefined srcFmt)
{
if ((dstFmt == RS_ELEMENT_RGB_565) &&
(srcFmt == RS_ELEMENT_RGB_565)) {
return elementConverter_cpy_16;
}
if ((dstFmt == RS_ELEMENT_RGB_565) &&
(srcFmt == RS_ELEMENT_RGB_888)) {
return elementConverter_888_to_565;
}
if ((dstFmt == RS_ELEMENT_RGB_565) &&
(srcFmt == RS_ELEMENT_RGBA_8888)) {
return elementConverter_8888_to_565;
}
if ((dstFmt == RS_ELEMENT_RGBA_8888) &&
(srcFmt == RS_ELEMENT_RGBA_8888)) {
return elementConverter_cpy_32;
}
LOGE("pickConverter, unsuported combo");
return 0;
}
RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElementPredefined dstFmt, RsElementPredefined srcFmt, bool genMips, const void *data)
{
rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGB_565));
rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
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);
if (texAlloc == NULL) {
LOGE("Memory allocation failure");
return NULL;
}
texAlloc->incRef();
ElementConverter_t cvt = pickConverter(dstFmt, srcFmt);
cvt(texAlloc->getPtr(), data, w * h);
if (genMips) {
Adapter2D adapt(texAlloc);
Adapter2D adapt2(texAlloc);
for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
adapt.setLOD(lod);
adapt2.setLOD(lod + 1);
mip565(adapt2, adapt);
}
}
return texAlloc;
}
RsAllocation rsi_AllocationCreateFromFile(Context *rsc, const char *file, bool genMips)
{
bool use32bpp = false;
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);
if (use32bpp) {
rsi_TypeBegin(rsc, rsi_ElementGetPredefined(rsc, RS_ELEMENT_RGBA_8888));
} else {
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;
if (use32bpp) {
uint8_t *tmp = static_cast<uint8_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[0] = fileInBuf[x*3 + 2];
tmp[1] = fileInBuf[x*3 + 1];
tmp[2] = fileInBuf[x*3];
tmp[3] = 0xff;
tmp += 4;
}
}
} else {
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 + 2], fileInBuf[x*3 + 1], fileInBuf[x*3]);
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);
if (use32bpp) {
mip8888(adapt2, adapt);
} else {
mip565(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);
}
}
}