// Pure 32 bit float precision brute force pixel conversion; for comparison
void naiveBulkPixelConversion(const PixelBox &src, const PixelBox &dst)
{
uint8 *srcptr = static_cast<uint8*>(src.data);
uint8 *dstptr = static_cast<uint8*>(dst.data);
unsigned int srcPixelSize = PixelUtil::getNumElemBytes(src.format);
unsigned int dstPixelSize = PixelUtil::getNumElemBytes(dst.format);
// Calculate pitches+skips in bytes
int srcRowSkipBytes = src.getRowSkip()*srcPixelSize;
int srcSliceSkipBytes = src.getSliceSkip()*srcPixelSize;
int dstRowSkipBytes = dst.getRowSkip()*dstPixelSize;
int dstSliceSkipBytes = dst.getSliceSkip()*dstPixelSize;
// The brute force fallback
float r,g,b,a;
for(size_t z=src.front; z<src.back; z++)
{
for(size_t y=src.top; y<src.bottom; y++)
{
for(size_t x=src.left; x<src.right; x++)
{
PixelUtil::unpackColour(&r, &g, &b, &a, src.format, srcptr);
PixelUtil::packColour(r, g, b, a, dst.format, dstptr);
srcptr += srcPixelSize;
dstptr += dstPixelSize;
}
srcptr += srcRowSkipBytes;
dstptr += dstRowSkipBytes;
}
srcptr += srcSliceSkipBytes;
dstptr += dstSliceSkipBytes;
}
}
void SDLWindow::copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer)
{
if ((dst.left < 0) || (dst.right > mWidth) ||
(dst.top < 0) || (dst.bottom > mHeight) ||
(dst.front != 0) || (dst.back != 1))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Invalid box.",
"SDLWindow::copyContentsToMemory" );
}
if (buffer == FB_AUTO)
{
buffer = mIsFullScreen? FB_FRONT : FB_BACK;
}
GLenum format = Ogre::GLPixelUtil::getGLOriginFormat(dst.format);
GLenum type = Ogre::GLPixelUtil::getGLOriginDataType(dst.format);
if ((format == GL_NONE) || (type == 0))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported format.",
"SDLWindow::copyContentsToMemory" );
}
// Switch context if different from current one
RenderSystem* rsys = Root::getSingleton().getRenderSystem();
rsys->_setViewport(this->getViewport(0));
// Must change the packing to ensure no overruns!
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadBuffer((buffer == FB_FRONT)? GL_FRONT : GL_BACK);
glReadPixels((GLint)dst.left, (GLint)dst.top,
(GLsizei)dst.getWidth(), (GLsizei)dst.getHeight(),
format, type, dst.data);
// restore default alignment
glPixelStorei(GL_PACK_ALIGNMENT, 4);
//vertical flip
{
size_t rowSpan = dst.getWidth() * PixelUtil::getNumElemBytes(dst.format);
size_t height = dst.getHeight();
uchar *tmpData = new uchar[rowSpan * height];
uchar *srcRow = (uchar *)dst.data, *tmpRow = tmpData + (height - 1) * rowSpan;
while (tmpRow >= tmpData)
{
memcpy(tmpRow, srcRow, rowSpan);
srcRow += rowSpan;
tmpRow -= rowSpan;
}
memcpy(dst.data, tmpData, rowSpan * height);
delete [] tmpData;
}
}
//-------------------------------------------------------------------------------------------------//
void OSXWindow::copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer)
{
if ((dst.left < 0) || (dst.right > mWidth) ||
(dst.top < 0) || (dst.bottom > mHeight) ||
(dst.front != 0) || (dst.back != 1))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Invalid box.",
"OSXWindow::copyContentsToMemory" );
}
if (buffer == FB_AUTO)
{
buffer = mIsFullScreen? FB_FRONT : FB_BACK;
}
GLenum format = Ogre::GLPixelUtil::getGLOriginFormat(dst.format);
GLenum type = Ogre::GLPixelUtil::getGLOriginDataType(dst.format);
if ((format == GL_NONE) || (type == 0))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported format.",
"OSXWindow::copyContentsToMemory" );
}
if((dst.getWidth()*Ogre::PixelUtil::getNumElemBytes(dst.format)) & 3)
{
// Standard alignment of 4 is not right
glPixelStorei(GL_PACK_ALIGNMENT, 1);
}
glReadBuffer((buffer == FB_FRONT)? GL_FRONT : GL_BACK);
glReadPixels((GLint)dst.left, (GLint)dst.top,
(GLsizei)dst.getWidth(), (GLsizei)dst.getHeight(),
format, type, dst.data);
glPixelStorei(GL_PACK_ALIGNMENT, 4);
//vertical flip
{
size_t rowSpan = dst.getWidth() * PixelUtil::getNumElemBytes(dst.format);
size_t height = dst.getHeight();
uchar *tmpData = new uchar[rowSpan * height];
uchar *srcRow = (uchar *)dst.data, *tmpRow = tmpData + (height - 1) * rowSpan;
while (tmpRow >= tmpData)
{
memcpy(tmpRow, srcRow, rowSpan);
srcRow += rowSpan;
tmpRow -= rowSpan;
}
memcpy(dst.data, tmpData, rowSpan * height);
delete [] tmpData;
}
}
void GLES2HardwarePixelBuffer::blitFromMemory(const PixelBox &src, const Image::Box &dstBox)
{
if (!mBuffer.contains(dstBox))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Destination box out of range",
"GLES2HardwarePixelBuffer::blitFromMemory");
}
PixelBox scaled;
if (src.getWidth() != dstBox.getWidth() ||
src.getHeight() != dstBox.getHeight() ||
src.getDepth() != dstBox.getDepth())
{
// Scale to destination size.
// This also does pixel format conversion if needed
allocateBuffer();
scaled = mBuffer.getSubVolume(dstBox);
Image::scale(src, scaled, Image::FILTER_BILINEAR);
}
#if OGRE_PLATFORM != OGRE_PLATFORM_APPLE_IOS
else if ((src.format != mFormat) ||
((GLES2PixelUtil::getGLOriginFormat(src.format) == 0) && (src.format != PF_R8G8B8)))
#else
else if (GLES2PixelUtil::getGLOriginFormat(src.format) == 0)
#endif
{
// Extents match, but format is not accepted as valid source format for GL
// do conversion in temporary buffer
allocateBuffer();
scaled = mBuffer.getSubVolume(dstBox);
PixelUtil::bulkPixelConversion(src, scaled);
}
else
{
allocateBuffer();
// No scaling or conversion needed
scaled = src;
if (src.format == PF_R8G8B8)
{
scaled.format = PF_B8G8R8;
PixelUtil::bulkPixelConversion(src, scaled);
}
#if OGRE_PLATFORM == OGRE_PLATFORM_NACL
if (src.format == PF_A8R8G8B8)
{
scaled.format = PF_A8B8G8R8;
PixelUtil::bulkPixelConversion(src, scaled);
}
#endif
}
upload(scaled, dstBox);
freeBuffer();
}
// Convert Ogre pixelbox extent to D3D rectangle
RECT toD3DRECTExtent(const PixelBox &lockBox)
{
RECT prect;
assert(lockBox.getDepth() == 1);
prect.left = 0;
prect.right = static_cast<LONG>(lockBox.getWidth());
prect.top = 0;
prect.bottom = static_cast<LONG>(lockBox.getHeight());
return prect;
}
// Convert Ogre pixelbox extent to D3D box
D3DBOX toD3DBOXExtent(const PixelBox &lockBox)
{
D3DBOX pbox;
pbox.Left = 0;
pbox.Right = static_cast<UINT>(lockBox.getWidth());
pbox.Top = 0;
pbox.Bottom = static_cast<UINT>(lockBox.getHeight());
pbox.Front = 0;
pbox.Back = static_cast<UINT>(lockBox.getDepth());
return pbox;
}
//-----------------------------------------------------------------------------
void D3D11HardwarePixelBuffer::blitToMemory(const Image::Box &srcBox, const PixelBox &dst)
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = mFormat;
if(D3D11Mappings::_getPF(dst.format) != DXGI_FORMAT_UNKNOWN)
{
tmpFormat = dst.format;
}
assert(srcBox.getDepth() == 1 && dst.getDepth() == 1);
//This is a pointer to the texture we're trying to copy
//Only implemented for 2D at the moment...
ID3D11Texture2D *textureResource = mParentTexture->GetTex2D();
// get the description of the texture
D3D11_TEXTURE2D_DESC desc = {0};
textureResource->GetDesc( &desc );
//Alter the description to set up a staging texture
desc.Usage = D3D11_USAGE_STAGING;
//This texture is not bound to any part of the pipeline
desc.BindFlags = 0;
//Allow CPU Access
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
//No Misc Flags
desc.MiscFlags = 0;
//Create the staging texture
ID3D11Texture2D* pStagingTexture = NULL;
mDevice->CreateTexture2D( &desc, NULL, &pStagingTexture );
//Copy our texture into the staging texture
mDevice.GetImmediateContext()->CopyResource( pStagingTexture, textureResource );
//Create a mapped resource and map the staging texture to the resource
D3D11_MAPPED_SUBRESOURCE mapped = {0};
mDevice.GetImmediateContext()->Map( pStagingTexture, 0, D3D11_MAP_READ , 0, &mapped );
// read the data out of the texture.
unsigned int rPitch = mapped.RowPitch;
BYTE *data = ((BYTE *)mapped.pData);
//Using existing OGRE functions
DXGI_MAPPED_RECT lrect;
lrect.pBits = data;
lrect.Pitch = rPitch;
PixelBox locked(dst.getWidth(), dst.getHeight(), dst.getDepth(), tmpFormat);
fromD3DLock(locked, lrect);
PixelUtil::bulkPixelConversion(locked, dst);
//Release the staging texture
mDevice.GetImmediateContext()->Unmap( pStagingTexture, 0 );
pStagingTexture->Release();
}
void EGLWindow::copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer)
{
if ((dst.left < 0) || (dst.right > mWidth) ||
(dst.top < 0) || (dst.bottom > mHeight) ||
(dst.front != 0) || (dst.back != 1))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Invalid box.",
"Win32Window::copyContentsToMemory" );
}
if (buffer == FB_AUTO)
{
buffer = mIsFullScreen? FB_FRONT : FB_BACK;
}
GLenum format = GLESPixelUtil::getGLOriginFormat(dst.format);
GLenum type = GLESPixelUtil::getGLOriginDataType(dst.format);
if ((format == 0) || (type == 0))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported format.",
"GtkEGLWindow::copyContentsToMemory" );
}
// Switch context if different from current one
RenderSystem* rsys = Root::getSingleton().getRenderSystem();
rsys->_setViewport(this->getViewport(0));
#if OGRE_NO_GLES3_SUPPORT == 0
if(dst.getWidth() != dst.rowPitch)
glPixelStorei(GL_PACK_ROW_LENGTH, dst.rowPitch);
#endif
// Must change the packing to ensure no overruns!
glPixelStorei(GL_PACK_ALIGNMENT, 1);
//glReadBuffer((buffer == FB_FRONT)? GL_FRONT : GL_BACK);
glReadPixels((GLint)0, (GLint)(mHeight - dst.getHeight()),
(GLsizei)dst.getWidth(), (GLsizei)dst.getHeight(),
format, type, dst.getTopLeftFrontPixelPtr());
// restore default alignment
glPixelStorei(GL_PACK_ALIGNMENT, 4);
#if OGRE_NO_GLES3_SUPPORT == 0
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
#endif
PixelUtil::bulkPixelVerticalFlip(dst);
}
void pixelBox(const PixelBox& box, isab::MapPlotter* plotter)
{
std::vector<MC2Point> points;
points.push_back(box.getTopLeft());
points.push_back(box.getTopRight());
points.push_back(box.getBottomRight());
points.push_back(box.getBottomLeft());
points.push_back(box.getTopLeft());
plotter->setPenColor(255, 0, 0);
plotter->setLineWidth(3);
plotter->drawPolyLine(points.begin(), points.end());
}
//-----------------------------------------------------------------------------
// Util functions to convert a D3D locked box to a pixel box
void D3D10HardwarePixelBuffer::fromD3DLock(PixelBox &rval, const DXGI_MAPPED_RECT &lrect)
{
rval.rowPitch = lrect.Pitch / PixelUtil::getNumElemBytes(rval.format);
rval.slicePitch = rval.rowPitch * rval.getHeight();
assert((lrect.Pitch % PixelUtil::getNumElemBytes(rval.format))==0);
rval.data = lrect.pBits;
}
/// _Tool_ tex ..........................
// (remove alpha channel for ter tex prv img)
void App::ToolTexAlpha()
{
Ogre::Image im;
im.load("jungle_5d.png", "General");
PixelBox pb = im.getPixelBox();
int w = pb.getWidth(), h = pb.getHeight();
for(int j=0; j < h; ++j)
for(int i=0; i < w; ++i)
{
ColourValue c = pb.getColourAt(i,j,0);
c.a = 1.f;
pb.setColourAt(c,i,j,0);
}
im.save(PATHMANAGER::Data()+"/prv.png");
}
void EGLWindow::copyContentsToMemory(const Box& src, const PixelBox &dst, FrameBuffer buffer)
{
if(src.right > mWidth || src.bottom > mHeight || src.front != 0 || src.back != 1
|| dst.getWidth() != src.getWidth() || dst.getHeight() != src.getHeight() || dst.getDepth() != 1)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid box.", "EGLWindow::copyContentsToMemory");
}
if (buffer == FB_AUTO)
{
buffer = mIsFullScreen? FB_FRONT : FB_BACK;
}
static_cast<GLRenderSystemCommon*>(Root::getSingleton().getRenderSystem())
->_copyContentsToMemory(getViewport(0), src, dst, buffer);
}
void ShVarItem::setCurrentValue(int key0, int key1)
{
if (key0 >= 0 && key1 >= 0 && data(DF_WATCHED).toBool()) {
if (data(DF_DATA_PIXELBOX).value<void*>() != NULL) {
PixelBox *fb = getPixelBoxPointer();
if (fb) {
QVariant value;
bool validValue = fb->getDataValue(key0, key1, &value);
if (validValue) {
setData(DF_DEBUG_SELECTED_VALUE, value.toString());
return;
}
}
}
setData(DF_DEBUG_SELECTED_VALUE, "?");
return;
}
setData(DF_DEBUG_SELECTED_VALUE, QVariant());
}
//-----------------------------------------------------------------------
void ILUtil::toOgre(const PixelBox &dst)
{
if(!dst.isConsecutive())
OGRE_EXCEPT( Exception::ERR_NOT_IMPLEMENTED,
"Destination must currently be consecutive",
"ILUtil::ilToOgre" ) ;
if(dst.getWidth() != static_cast<size_t>(ilGetInteger( IL_IMAGE_WIDTH )) ||
dst.getHeight() != static_cast<size_t>(ilGetInteger( IL_IMAGE_HEIGHT )) ||
dst.getDepth() != static_cast<size_t>(ilGetInteger( IL_IMAGE_DEPTH )))
OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS,
"Destination dimensions must equal IL dimension",
"ILUtil::ilToOgre" ) ;
int ilfmt = ilGetInteger( IL_IMAGE_FORMAT );
int iltp = ilGetInteger( IL_IMAGE_TYPE );
// Check if in-memory format just matches
// If yes, we can just copy it and save conversion
ILFormat ifmt = OgreFormat2ilFormat( dst.format );
if(ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp)) {
memcpy(dst.data, ilGetData(), ilGetInteger( IL_IMAGE_SIZE_OF_DATA ));
return;
}
// Try if buffer is in a known OGRE format so we can use OGRE its
// conversion routines
PixelFormat bufFmt = ilFormat2OgreFormat((int)ilfmt, (int)iltp);
ifmt = OgreFormat2ilFormat( bufFmt );
if(ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp))
{
// IL format matches another OGRE format
PixelBox src(dst.getWidth(), dst.getHeight(), dst.getDepth(), bufFmt, ilGetData());
PixelUtil::bulkPixelConversion(src, dst);
return;
}
// Thee extremely slow method
if(iltp == IL_UNSIGNED_BYTE || iltp == IL_BYTE)
{
ilToOgreInternal(static_cast<uint8*>(dst.data), dst.format, (uint8)0x00,(uint8)0x00,(uint8)0x00,(uint8)0xFF);
}
else if(iltp == IL_FLOAT)
{
ilToOgreInternal(static_cast<uint8*>(dst.data), dst.format, 0.0f,0.0f,0.0f,1.0f);
}
else if(iltp == IL_SHORT || iltp == IL_UNSIGNED_SHORT)
{
ilToOgreInternal(static_cast<uint8*>(dst.data), dst.format,
(uint16)0x0000,(uint16)0x0000,(uint16)0x0000,(uint16)0xFFFF);
}
else
{
OGRE_EXCEPT( Exception::ERR_NOT_IMPLEMENTED,
"Cannot convert this DevIL type",
"ILUtil::ilToOgre" ) ;
}
}
void TextureViewGL::ReadPixels(RenderContext_Base_GL* gl, TextureBase::ReadPixelUpdateParams& params) {
if (params.lock.test_and_set(std::memory_order_release))
return;
PixelBox* pixels = params.box;
gl->ActivateTexture(target, texture);
Size dim = gl->GetTextureParams(target);
pixels->data = static_cast<uint8*>(
NEX_ALLOC(dim.dx * dim.dy * pixelFormat.pixelSize, MEMCAT_GENERAL));
pixels->left = 0;
pixels->right = dim.dx;
pixels->top = 0;
pixels->bottom = dim.dy;
pixels->front = 0;
pixels->back = 1;
pixels->format = pixelFormat.textureFormat;
pixels->deleteData = true;
gl->GetTextureData(target, pixelFormat.internalFormat, pixelFormat.dataType, pixels->data);
pixels->CalculatePitches();
}
/// _Tool_ tex ..........................
// (split 1 rgba terrain texture to 2, 1st rgb and 2nd with alpha in red)
void CGui::ToolTexAlpha()
{
strlist li;
string data = PATHMANAGER::Data()+"/terrain";
PATHMANAGER::DirList(data, li);
//PATHMANAGER::DirList(data+"2", li);
int ii=0;
for (strlist::iterator i = li.begin(); i != li.end(); ++i,++ii)
if (/*ii < 3 &&*/ !StringUtil::match(*i, "*.txt", false))
{
String n = *i;
Image im;
im.load(n, "General");
PixelBox pb = im.getPixelBox();
//pb.setConsecutive();
int w = pb.getWidth(), h = pb.getHeight();
uchar* rgb = new uchar[w*h*3];
uchar* aa = new uchar[w*h];
register int i,j,a=0,b=0;
for (j=0; j < h; ++j)
for (i=0; i < w; ++i)
{
//pb.data
ColourValue c = pb.getColourAt(i,j,0);
rgb[a++] = c.b * 255.f;
rgb[a++] = c.g * 255.f;
rgb[a++] = c.r * 255.f;
aa[b++] = c.a * 255.f;
}
Ogre::Image ic,ia;
ic.loadDynamicImage(rgb, w,h, PF_R8G8B8);
ic.save(PATHMANAGER::Data()+"/"+n+"_d.png");
ia.loadDynamicImage(aa, w,h, PF_L8);
ia.save(PATHMANAGER::Data()+"/"+n+"_s.png");
delete[]rgb; delete[]aa;
}
}
void NearestSampler(PixelBox& dest, const PixelBox& src) {
size_t bytesPerPix = BytesPerPixel(src.format);
NEX_ASSERT(bytesPerPix == BytesPerPixel(dest.format));
float dstep = ((float) src.GetDepth() / (float) dest.GetDepth()) * .5f;
float hstep = ((float) src.GetHeight() / (float) dest.GetHeight()) * .5f;
float wstep = ((float) src.GetWidth() / (float) dest.GetWidth()) * .5f;
for (uint32 d = dest.front; d < dest.back; ++d) {
size_t doff = (uint32) (dstep * (src.slicePixelPitch * d * 2 + 1));
NEX_ASSERT(doff >= 0 && doff <= src.slicePixelPitch * d);
void* destPlane = reinterpret_cast<uint8*>(dest.data)
+ d * dest.slicePixelPitch * bytesPerPix;
for (uint32 h = dest.top; h < dest.bottom; ++h) {
size_t hoff = (uint32) ((2 * h * src.rowPixelPitch + 1) * hstep);
NEX_ASSERT(hoff >= 0 && hoff <= src.rowPixelPitch * h);
uint8* destRow = reinterpret_cast<uint8*>(destPlane)
+ h * dest.rowPixelPitch * bytesPerPix;
for (uint32 w = dest.left; w < dest.right; ++w) {
size_t woff = (size_t) ((2 * w + 1) * wstep);
NEX_ASSERT(woff >= 0 && woff <= w);
uint8* srcData = reinterpret_cast<uint8*>(src.data)
+ (doff + hoff + woff) * bytesPerPix;
// src offset
uint8* destData = (destRow + w * bytesPerPix);
for (uint32 j = 0; j < bytesPerPix; ++j)
destData[j] = srcData[j];
}
}
}
}
void GL3PlusHardwarePixelBuffer::blitFromMemory(const PixelBox &src, const Image::Box &dstBox)
{
if (!mBuffer.contains(dstBox))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Destination box out of range",
"GL3PlusHardwarePixelBuffer::blitFromMemory");
}
PixelBox scaled;
if (src.getWidth() != dstBox.getWidth() ||
src.getHeight() != dstBox.getHeight() ||
src.getDepth() != dstBox.getDepth())
{
// Scale to destination size.
// This also does pixel format conversion if needed.
allocateBuffer( mSizeInBytes );
scaled = mBuffer.getSubVolume(dstBox);
Image::scale(src, scaled, Image::FILTER_BILINEAR);
}
else if (GL3PlusPixelUtil::getGLOriginFormat(src.format) == 0)
{
// Extents match, but format is not accepted as valid
// source format for GL. Do conversion in temporary buffer.
allocateBuffer( mSizeInBytes );
scaled = mBuffer.getSubVolume(dstBox);
PixelUtil::bulkPixelConversion(src, scaled);
}
else
{
allocateBuffer( mSizeInBytes );
// No scaling or conversion needed.
scaled = src;
}
upload(scaled, dstBox);
freeBuffer();
}
void fromD3DLock(PixelBox &rval, const D3DLOCKED_BOX &lbox)
{
size_t bpp = PixelUtil::getNumElemBytes(rval.format);
if (bpp != 0)
{
rval.rowPitch = lbox.RowPitch / bpp;
rval.slicePitch = lbox.SlicePitch / bpp;
assert((lbox.RowPitch % bpp)==0);
assert((lbox.SlicePitch % bpp)==0);
}
else if (PixelUtil::isCompressed(rval.format))
{
rval.rowPitch = rval.getWidth();
rval.slicePitch = rval.getWidth() * rval.getHeight();
}
else
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Invalid pixel format", "fromD3DLock");
}
rval.data = lbox.pBits;
}
//-----------------------------------------------------------------------------
void GLES2TextureBuffer::download(const PixelBox &data)
{
#if 0 || defined(GL_NV_get_tex_image)
if(data.getWidth() != getWidth() ||
data.getHeight() != getHeight() ||
data.getDepth() != getDepth())
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "only download of entire buffer is supported by GL",
"GLTextureBuffer::download");
glBindTexture( mTarget, mTextureID );
if(PixelUtil::isCompressed(data.format))
{
if(data.format != mFormat || !data.isConsecutive())
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Compressed images must be consecutive, in the source format",
"GLTextureBuffer::download");
// Data must be consecutive and at beginning of buffer as PixelStorei not allowed
// for compressed formate
glGetCompressedTexImageNV(mFaceTarget, mLevel, data.data);
}
else
{
if((data.getWidth()*PixelUtil::getNumElemBytes(data.format)) & 3) {
// Standard alignment of 4 is not right
glPixelStorei(GL_PACK_ALIGNMENT, 1);
}
// We can only get the entire texture
glGetTexImageNV(mFaceTarget, mLevel,
GLES2PixelUtil::getGLOriginFormat(data.format), GLES2PixelUtil::getGLOriginDataType(data.format),
data.data);
// Restore defaults
glPixelStorei(GL_PACK_ALIGNMENT, 4);
}
#else
OGRE_EXCEPT(Exception::ERR_NOT_IMPLEMENTED,
"Downloading texture buffers is not supported by OpenGL ES",
"GLES2TextureBuffer::download");
#endif
}
/// _Tool_ brushes prv ......................................................
// update all Brushes png
void CGui::ToolBrushesPrv()
{
Image im;
for (int i=0; i < app->brSetsNum; ++i)
{
app->SetBrushPreset(i);
app->brushPrvTex->convertToImage(im);
im.save("data/editor/brush"+toStr(i)+".png");
// todo: ?brush presets in xml, auto upd prvs-
}
#if 1
///---- combine all images into one ----
const int ii = 86;
Image ir; ir.load("brushes-e.png","General");
for (int i=0; i <= ii; ++i)
{
String s = "brush" + toStr(i) + ".png";
im.load(s,"General");
PixelBox pb = im.getPixelBox();
int xx = pb.getWidth(), yy = pb.getHeight();
//void * pb.data
int a = (i%16)*128, b = (i/16)*128;
register int x,y; ColourValue c;
for (y = 0; y < yy; ++y)
for (x = 0; x < xx; ++x)
{
c = im.getColourAt(x,y,0);
ir.setColourAt(c,a+x,b+y,0);
}
}
ir.save("brushes.png");
#endif
}
void SDLWindow::copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer)
{
if (dst.getWidth() > mWidth ||
dst.getHeight() > mHeight ||
dst.front != 0 || dst.back != 1)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Invalid box.",
"SDLWindow::copyContentsToMemory" );
}
if (buffer == FB_AUTO)
{
buffer = mIsFullScreen? FB_FRONT : FB_BACK;
}
GLenum format = Ogre::GL3PlusPixelUtil::getGLOriginFormat(dst.format);
GLenum type = Ogre::GL3PlusPixelUtil::getGLOriginDataType(dst.format);
if ((format == GL_NONE) || (type == 0))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported format.",
"SDLWindow::copyContentsToMemory" );
}
if(dst.getWidth() != dst.rowPitch)
{
glPixelStorei(GL_PACK_ROW_LENGTH, dst.rowPitch);
}
if((dst.getWidth()*Ogre::PixelUtil::getNumElemBytes(dst.format)) & 3)
{
// Standard alignment of 4 is not right
glPixelStorei(GL_PACK_ALIGNMENT, 1);
}
glReadBuffer((buffer == FB_FRONT)? GL_FRONT : GL_BACK);
glReadPixels((GLint)0, (GLint)(mHeight - dst.getHeight()),
(GLsizei)dst.getWidth(), (GLsizei)dst.getHeight(),
format, type, dst.getTopLeftFrontPixelPtr());
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
PixelUtil::bulkPixelVerticalFlip(dst);
}
void GLESHardwarePixelBuffer::blitToMemory(const Image::Box &srcBox, const PixelBox &dst)
{
if (!mBuffer.contains(srcBox))
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"source box out of range",
"GLESHardwarePixelBuffer::blitToMemory");
}
if (srcBox.left == 0 && srcBox.right == getWidth() &&
srcBox.top == 0 && srcBox.bottom == getHeight() &&
srcBox.front == 0 && srcBox.back == getDepth() &&
dst.getWidth() == getWidth() &&
dst.getHeight() == getHeight() &&
dst.getDepth() == getDepth() &&
GLESPixelUtil::getGLOriginFormat(dst.format) != 0)
{
// The direct case: the user wants the entire texture in a format supported by GL
// so we don't need an intermediate buffer
download(dst);
}
else
{
// Use buffer for intermediate copy
allocateBuffer();
// Download entire buffer
download(mBuffer);
if(srcBox.getWidth() != dst.getWidth() ||
srcBox.getHeight() != dst.getHeight() ||
srcBox.getDepth() != dst.getDepth())
{
// We need scaling
Image::scale(mBuffer.getSubVolume(srcBox), dst, Image::FILTER_BILINEAR);
}
else
{
// Just copy the bit that we need
PixelUtil::bulkPixelConversion(mBuffer.getSubVolume(srcBox), dst);
}
freeBuffer();
}
}
int TileBoundsCalculator::_calculateSplitX(PixelBox& b)
{
double total = _sumPixels(b);
double left = _sumPixels(b.getColumnBox(b.minX));
int best = (b.maxX + b.minX) / 2;
double bestSum = numeric_limits<double>::max();
double thisSlop = _slop + 1.0 / (double)(b.maxX - b.minX);
if (b.getWidth() < 6)
{
throw HootException("The input box must be at least six pixels high.");
}
for (int c = b.minX + 2; c < b.maxX - 2; c++)
{
double colSum = _sumPixels(b.getColumnBox(c));
double colSumMin = _sumPixels(b.getColumnBox(c), _min) +
_sumPixels(b.getColumnBox(c + 1), _min);
left += colSum;
double slop = abs(0.5 - left / total);
if ((slop < thisSlop) && colSumMin < bestSum)
{
best = c;
bestSum = colSumMin;
}
}
if (bestSum == numeric_limits<double>::max())
{
LOG_WARN("bestSum isn't valid. " << b.toString());
}
return best;
}
int TileBoundsCalculator::_calculateSplitY(const PixelBox& b)
{
double total = _sumPixels(b);
double bottom = _sumPixels(b.getRowBox(b.minY));
int best = (b.maxY + b.minY) / 2;
double bestSum = numeric_limits<double>::max();
double thisSlop = _slop + 1.0 / (double)(b.maxY - b.minY);
if (b.getHeight() < 6)
{
throw HootException("The input box must be at least six pixels high.");
}
for (int r = b.minY + 2; r < b.maxY - 2; r++)
{
double rowSum = _sumPixels(b.getRowBox(r));
double rowSumMin = _sumPixels(b.getRowBox(r), _min) + _sumPixels(b.getRowBox(r + 1), _min);
bottom += rowSum;
double slop = abs(0.5 - bottom / total);
if ((slop < thisSlop) && rowSumMin < bestSum)
{
best = r;
bestSum = rowSumMin;
}
}
if (bestSum == numeric_limits<double>::max())
{
LOG_WARN("bestSum isn't valid. " << b.toString() << " total: " << total << " size: " <<
b.maxY - b.minY);
}
return best;
}
//-----------------------------------------------------------------------
void Image::scale(const PixelBox &src, const PixelBox &scaled, Filter filter)
{
assert(PixelUtil::isAccessible(src.format));
assert(PixelUtil::isAccessible(scaled.format));
MemoryDataStreamPtr buf; // For auto-delete
PixelBox temp;
switch (filter)
{
default:
case FILTER_NEAREST:
if(src.format == scaled.format)
{
// No intermediate buffer needed
temp = scaled;
}
else
{
// Allocate temporary buffer of destination size in source format
temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
buf.bind(OGRE_NEW MemoryDataStream(temp.getConsecutiveSize()));
temp.data = buf->getPtr();
}
// super-optimized: no conversion
switch (PixelUtil::getNumElemBytes(src.format))
{
case 1: NearestResampler<1>::scale(src, temp); break;
case 2: NearestResampler<2>::scale(src, temp); break;
case 3: NearestResampler<3>::scale(src, temp); break;
case 4: NearestResampler<4>::scale(src, temp); break;
case 6: NearestResampler<6>::scale(src, temp); break;
case 8: NearestResampler<8>::scale(src, temp); break;
case 12: NearestResampler<12>::scale(src, temp); break;
case 16: NearestResampler<16>::scale(src, temp); break;
default:
// never reached
assert(false);
}
if(temp.data != scaled.data)
{
// Blit temp buffer
PixelUtil::bulkPixelConversion(temp, scaled);
}
break;
case FILTER_LINEAR:
case FILTER_BILINEAR:
switch (src.format)
{
case PF_L8: case PF_A8: case PF_BYTE_LA:
case PF_R8G8B8: case PF_B8G8R8:
case PF_R8G8B8A8: case PF_B8G8R8A8:
case PF_A8B8G8R8: case PF_A8R8G8B8:
case PF_X8B8G8R8: case PF_X8R8G8B8:
if(src.format == scaled.format)
{
// No intermediate buffer needed
temp = scaled;
}
else
{
// Allocate temp buffer of destination size in source format
temp = PixelBox(scaled.getWidth(), scaled.getHeight(), scaled.getDepth(), src.format);
buf.bind(OGRE_NEW MemoryDataStream(temp.getConsecutiveSize()));
temp.data = buf->getPtr();
}
// super-optimized: byte-oriented math, no conversion
switch (PixelUtil::getNumElemBytes(src.format))
{
case 1: LinearResampler_Byte<1>::scale(src, temp); break;
case 2: LinearResampler_Byte<2>::scale(src, temp); break;
case 3: LinearResampler_Byte<3>::scale(src, temp); break;
case 4: LinearResampler_Byte<4>::scale(src, temp); break;
default:
// never reached
assert(false);
}
if(temp.data != scaled.data)
{
// Blit temp buffer
PixelUtil::bulkPixelConversion(temp, scaled);
}
break;
case PF_FLOAT32_RGB:
case PF_FLOAT32_RGBA:
if (scaled.format == PF_FLOAT32_RGB || scaled.format == PF_FLOAT32_RGBA)
{
// float32 to float32, avoid unpack/repack overhead
LinearResampler_Float32::scale(src, scaled);
break;
}
// else, fall through
default:
// non-optimized: floating-point math, performs conversion but always works
LinearResampler::scale(src, scaled);
}
break;
}
}
void GLESTextureBuffer::buildMipmaps(const PixelBox &data)
{
int width;
int height;
int logW;
int logH;
int level;
PixelBox scaled = data;
scaled.data = data.data;
scaled.left = data.left;
scaled.right = data.right;
scaled.top = data.top;
scaled.bottom = data.bottom;
scaled.front = data.front;
scaled.back = data.back;
width = data.getWidth();
height = data.getHeight();
logW = computeLog(width);
logH = computeLog(height);
level = (logW > logH ? logW : logH);
for (int mip = 0; mip <= level; mip++)
{
GLenum glFormat = GLESPixelUtil::getGLOriginFormat(scaled.format);
GLenum dataType = GLESPixelUtil::getGLOriginDataType(scaled.format);
glTexImage2D(mFaceTarget,
mip,
glFormat,
width, height,
0,
glFormat,
dataType,
scaled.data);
GL_CHECK_ERROR;
if (mip != 0)
{
delete[] (uint8*) scaled.data;
scaled.data = 0;
}
if (width > 1)
{
width = width / 2;
}
if (height > 1)
{
height = height / 2;
}
int sizeInBytes = PixelUtil::getMemorySize(width, height, 1,
data.format);
scaled = PixelBox(width, height, 1, data.format);
scaled.data = new uint8[sizeInBytes];
Image::scale(data, scaled, Image::FILTER_LINEAR);
}
}
//-----------------------------------------------------------------------------
// blitFromMemory doing hardware trilinear scaling
void GLESTextureBuffer::blitFromMemory(const PixelBox &src_orig, const Image::Box &dstBox)
{
// Fall back to normal GLHardwarePixelBuffer::blitFromMemory in case
// - FBO is not supported
// - Either source or target is luminance due doesn't looks like supported by hardware
// - the source dimensions match the destination ones, in which case no scaling is needed
if(!GL_OES_framebuffer_object ||
PixelUtil::isLuminance(src_orig.format) ||
PixelUtil::isLuminance(mFormat) ||
(src_orig.getWidth() == dstBox.getWidth() &&
src_orig.getHeight() == dstBox.getHeight() &&
src_orig.getDepth() == dstBox.getDepth()))
{
GLESHardwarePixelBuffer::blitFromMemory(src_orig, dstBox);
return;
}
if(!mBuffer.contains(dstBox))
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Destination box out of range",
"GLESTextureBuffer::blitFromMemory");
// For scoped deletion of conversion buffer
MemoryDataStreamPtr buf;
PixelBox src;
// First, convert the srcbox to a OpenGL compatible pixel format
if(GLESPixelUtil::getGLOriginFormat(src_orig.format) == 0)
{
// Convert to buffer internal format
buf.bind(OGRE_NEW MemoryDataStream(PixelUtil::getMemorySize(src_orig.getWidth(), src_orig.getHeight(), src_orig.getDepth(),
mFormat)));
src = PixelBox(src_orig.getWidth(), src_orig.getHeight(), src_orig.getDepth(), mFormat, buf->getPtr());
PixelUtil::bulkPixelConversion(src_orig, src);
}
else
{
// No conversion needed
src = src_orig;
}
// Create temporary texture to store source data
GLuint id;
GLenum target = GL_TEXTURE_2D;
GLsizei width = GLESPixelUtil::optionalPO2(src.getWidth());
GLsizei height = GLESPixelUtil::optionalPO2(src.getHeight());
GLenum format = GLESPixelUtil::getClosestGLInternalFormat(src.format);
GLenum datatype = GLESPixelUtil::getGLOriginDataType(src.format);
// Generate texture name
glGenTextures(1, &id);
GL_CHECK_ERROR;
// Set texture type
glBindTexture(target, id);
GL_CHECK_ERROR;
// Set automatic mipmap generation; nice for minimisation
glTexParameteri(target, GL_GENERATE_MIPMAP, GL_TRUE );
GL_CHECK_ERROR;
// Allocate texture memory
glTexImage2D(target, 0, format, width, height, 0, format, datatype, 0);
GL_CHECK_ERROR;
// GL texture buffer
GLESTextureBuffer tex(BLANKSTRING, target, id, width, height, format, src.format,
0, 0, (Usage)(TU_AUTOMIPMAP|HBU_STATIC_WRITE_ONLY), false, false, 0);
// Upload data to 0,0,0 in temporary texture
Image::Box tempTarget(0, 0, 0, src.getWidth(), src.getHeight(), src.getDepth());
tex.upload(src, tempTarget);
// Blit
blitFromTexture(&tex, tempTarget, dstBox);
// Delete temp texture
glDeleteTextures(1, &id);
GL_CHECK_ERROR;
}
void GLESTextureBuffer::upload(const PixelBox &data, const Image::Box &dest)
{
glBindTexture(mTarget, mTextureID);
GL_CHECK_ERROR;
if (PixelUtil::isCompressed(data.format))
{
if(data.format != mFormat || !data.isConsecutive())
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Compressed images must be consecutive, in the source format",
"GLESTextureBuffer::upload");
GLenum format = GLESPixelUtil::getClosestGLInternalFormat(mFormat);
// Data must be consecutive and at beginning of buffer as PixelStorei not allowed
// for compressed formats
if (dest.left == 0 && dest.top == 0)
{
glCompressedTexImage2D(mFaceTarget, mLevel,
format,
dest.getWidth(),
dest.getHeight(),
0,
data.getConsecutiveSize(),
data.data);
GL_CHECK_ERROR;
}
else
{
glCompressedTexSubImage2D(mFaceTarget, mLevel,
dest.left, dest.top,
dest.getWidth(), dest.getHeight(),
format, data.getConsecutiveSize(),
data.data);
GL_CHECK_ERROR;
}
}
else if (mSoftwareMipmap)
{
if (data.getWidth() != data.rowPitch)
{
// TODO
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported texture format",
"GLESTextureBuffer::upload");
}
if (data.getHeight() * data.getWidth() != data.slicePitch)
{
// TODO
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported texture format",
"GLESTextureBuffer::upload");
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
GL_CHECK_ERROR;
buildMipmaps(data);
}
else
{
if(data.getWidth() != data.rowPitch)
{
// TODO
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported texture format",
"GLESTextureBuffer::upload");
}
if(data.getHeight()*data.getWidth() != data.slicePitch)
{
// TODO
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported texture format",
"GLESTextureBuffer::upload");
}
if ((data.getWidth() * PixelUtil::getNumElemBytes(data.format)) & 3) {
// Standard alignment of 4 is not right
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
GL_CHECK_ERROR;
}
// LogManager::getSingleton().logMessage("GLESTextureBuffer::upload - ID: " + StringConverter::toString(mTextureID) +
// " Format: " + PixelUtil::getFormatName(data.format) +
// " Origin format: " + StringConverter::toString(GLESPixelUtil::getGLOriginFormat(data.format, 0, ' ', std::ios::hex)) +
// " Data type: " + StringConverter::toString(GLESPixelUtil::getGLOriginDataType(data.format, 0, ' ', std::ios::hex))
// );
glTexSubImage2D(mFaceTarget,
mLevel,
dest.left, dest.top,
dest.getWidth(), dest.getHeight(),
GLESPixelUtil::getGLOriginFormat(data.format),
GLESPixelUtil::getGLOriginDataType(data.format),
data.data);
GL_CHECK_ERROR;
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
GL_CHECK_ERROR;
}
//--------------------------------------------------------------------------
void Texture::_loadImages( const ConstImagePtrList& images )
{
if(images.size() < 1)
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Cannot load empty vector of images",
"Texture::loadImages");
// Set desired texture size and properties from images[0]
mSrcWidth = mWidth = images[0]->getWidth();
mSrcHeight = mHeight = images[0]->getHeight();
mSrcDepth = mDepth = images[0]->getDepth();
// Get source image format and adjust if required
mSrcFormat = images[0]->getFormat();
if (mTreatLuminanceAsAlpha && mSrcFormat == PF_L8)
{
mSrcFormat = PF_A8;
}
if (mDesiredFormat != PF_UNKNOWN)
{
// If have desired format, use it
mFormat = mDesiredFormat;
}
else
{
// Get the format according with desired bit depth
mFormat = PixelUtil::getFormatForBitDepths(mSrcFormat, mDesiredIntegerBitDepth, mDesiredFloatBitDepth);
}
// The custom mipmaps in the image have priority over everything
size_t imageMips = images[0]->getNumMipmaps();
if(imageMips > 0) {
mNumMipmaps = mNumRequestedMipmaps = images[0]->getNumMipmaps();
// Disable flag for auto mip generation
mUsage &= ~TU_AUTOMIPMAP;
}
// Create the texture
createInternalResources();
// Check if we're loading one image with multiple faces
// or a vector of images representing the faces
size_t faces;
bool multiImage; // Load from multiple images?
if(images.size() > 1)
{
faces = images.size();
multiImage = true;
}
else
{
faces = images[0]->getNumFaces();
multiImage = false;
}
// Check wether number of faces in images exceeds number of faces
// in this texture. If so, clamp it.
if(faces > getNumFaces())
faces = getNumFaces();
if (TextureManager::getSingleton().getVerbose()) {
// Say what we're doing
StringUtil::StrStreamType str;
str << "Texture: " << mName << ": Loading " << faces << " faces"
<< "(" << PixelUtil::getFormatName(images[0]->getFormat()) << "," <<
images[0]->getWidth() << "x" << images[0]->getHeight() << "x" << images[0]->getDepth() <<
") with ";
if (!(mMipmapsHardwareGenerated && mNumMipmaps == 0))
str << mNumMipmaps;
if(mUsage & TU_AUTOMIPMAP)
{
if (mMipmapsHardwareGenerated)
str << " hardware";
str << " generated mipmaps";
}
else
{
str << " custom mipmaps";
}
if(multiImage)
str << " from multiple Images.";
else
str << " from Image.";
// Scoped
{
// Print data about first destination surface
HardwarePixelBufferSharedPtr buf = getBuffer(0, 0);
str << " Internal format is " << PixelUtil::getFormatName(buf->getFormat()) <<
"," << buf->getWidth() << "x" << buf->getHeight() << "x" << buf->getDepth() << ".";
}
LogManager::getSingleton().logMessage(
LML_NORMAL, str.str());
}
// Main loading loop
// imageMips == 0 if the image has no custom mipmaps, otherwise contains the number of custom mips
for(size_t mip = 0; mip<=imageMips; ++mip)
{
for(size_t i = 0; i < faces; ++i)
{
PixelBox src;
if(multiImage)
{
// Load from multiple images
src = images[i]->getPixelBox(0, mip);
}
else
{
// Load from faces of images[0]
src = images[0]->getPixelBox(i, mip);
}
// Sets to treated format in case is difference
src.format = mSrcFormat;
if(mGamma != 1.0f) {
// Apply gamma correction
// Do not overwrite original image but do gamma correction in temporary buffer
MemoryDataStreamPtr buf; // for scoped deletion of conversion buffer
buf.bind(OGRE_NEW MemoryDataStream(
PixelUtil::getMemorySize(
src.getWidth(), src.getHeight(), src.getDepth(), src.format)));
PixelBox corrected = PixelBox(src.getWidth(), src.getHeight(), src.getDepth(), src.format, buf->getPtr());
PixelUtil::bulkPixelConversion(src, corrected);
Image::applyGamma(static_cast<uint8*>(corrected.data), mGamma, corrected.getConsecutiveSize(),
static_cast<uchar>(PixelUtil::getNumElemBits(src.format)));
// Destination: entire texture. blitFromMemory does the scaling to
// a power of two for us when needed
getBuffer(i, mip)->blitFromMemory(corrected);
}
else
{
// Destination: entire texture. blitFromMemory does the scaling to
// a power of two for us when needed
getBuffer(i, mip)->blitFromMemory(src);
}
}
}
// Update size (the final size, not including temp space)
mSize = getNumFaces() * PixelUtil::getMemorySize(mWidth, mHeight, mDepth, mFormat);
}