ILimage *MakeD3D8Compliant(IDirect3DDevice8 *Device, D3DFORMAT *DestFormat)
{
ILimage *Converted, *Scaled, *CurImage;
*DestFormat = D3DFMT_A8R8G8B8;
// Images must be in BGRA format.
if (ilutCurImage->Format != IL_BGRA) {
Converted = iConvertImage(ilutCurImage, IL_BGRA, IL_UNSIGNED_BYTE);
if (Converted == NULL)
return NULL;
}
else {
Converted = ilutCurImage;
}
// Images must have their origin in the upper left.
if (Converted->Origin != IL_ORIGIN_UPPER_LEFT) {
CurImage = ilutCurImage;
ilSetCurImage(Converted);
iluFlipImage();
ilSetCurImage(CurImage);
}
// Images must have powers-of-2 dimensions.
if (ilNextPower2(ilutCurImage->Width) != ilutCurImage->Width ||
ilNextPower2(ilutCurImage->Height) != ilutCurImage->Height ||
ilNextPower2(ilutCurImage->Depth) != ilutCurImage->Depth) {
Scaled = iluScale_(Converted, ilNextPower2(ilutCurImage->Width),
ilNextPower2(ilutCurImage->Height), ilNextPower2(ilutCurImage->Depth));
if (Converted != ilutCurImage) {
ilCloseImage(Converted);
}
if (Scaled == NULL) {
return NULL;
}
Converted = Scaled;
}
return Converted;
}
ILboolean iBuildMipmaps(ILimage *Parent, ILuint Width, ILuint Height, ILuint Depth)
{
ILuint x1 = 0, x2 = 0, y1 = 0, y2 = 0;
if (Parent->Width == 1 && Parent->Height == 1 && Parent->Depth == 1) { // Already at the last mipmap
return IL_TRUE;
}
if (Width == 0)
Width = 1;
if (Height == 0)
Height = 1;
if (Depth == 0)
Depth = 1;
Parent->Mipmaps = iluScale_(Parent, Width, Height, Depth);
if (Parent->Mipmaps == NULL)
return IL_FALSE;
iBuildMipmaps(Parent->Mipmaps, Parent->Mipmaps->Width >> 1, Parent->Mipmaps->Height >> 1, Parent->Mipmaps->Depth >> 1);
return IL_TRUE;
}
ILboolean ILAPIENTRY iluScale(ILuint Width, ILuint Height, ILuint Depth)
{
ILimage *Temp;
ILboolean UsePal;
ILenum PalType;
ILenum Origin;
iluCurImage = ilGetCurImage();
if (iluCurImage == NULL) {
ilSetError(ILU_ILLEGAL_OPERATION);
return IL_FALSE;
}
if (iluCurImage->Width == Width && iluCurImage->Height == Height && iluCurImage->Depth == Depth)
return IL_TRUE;
if( (iluCurImage->Width<Width) || (iluCurImage->Height<Height) ) // only do special scale if there is some zoom?
{
switch (iluFilter)
{
case ILU_SCALE_BOX:
case ILU_SCALE_TRIANGLE:
case ILU_SCALE_BELL:
case ILU_SCALE_BSPLINE:
case ILU_SCALE_LANCZOS3:
case ILU_SCALE_MITCHELL:
iluCurImage = ilGetCurImage();
if (iluCurImage == NULL) {
ilSetError(ILU_ILLEGAL_OPERATION);
return IL_FALSE;
}
// Not supported yet.
if (iluCurImage->Type != IL_UNSIGNED_BYTE ||
iluCurImage->Format == IL_COLOUR_INDEX ||
iluCurImage->Depth > 1) {
ilSetError(ILU_ILLEGAL_OPERATION);
return IL_FALSE;
}
if(iluCurImage->Width>Width) // shrink width first
{
Origin = iluCurImage->Origin;
Temp = iluScale_(iluCurImage, Width, iluCurImage->Height, iluCurImage->Depth);
if (Temp != NULL)
{
if( !ilTexImage(Temp->Width, Temp->Height, Temp->Depth, Temp->Bpp, Temp->Format, Temp->Type, Temp->Data ) ) {
ilCloseImage(Temp);
return IL_FALSE;
}
iluCurImage->Origin = Origin;
ilCloseImage(Temp);
}
}
else
if(iluCurImage->Height>Height) // shrink height first
{
Origin = iluCurImage->Origin;
Temp = iluScale_(iluCurImage, iluCurImage->Width, Height, iluCurImage->Depth);
if (Temp != NULL)
{
if( !ilTexImage(Temp->Width, Temp->Height, Temp->Depth, Temp->Bpp, Temp->Format, Temp->Type, Temp->Data) ) {
ilCloseImage(Temp);
return IL_FALSE;
}
iluCurImage->Origin = Origin;
ilCloseImage(Temp);
}
}
return (ILboolean)iluScaleAdvanced(Width, Height, iluFilter);
}
}
Origin = iluCurImage->Origin;
UsePal = (iluCurImage->Format == IL_COLOUR_INDEX);
PalType = iluCurImage->Pal.PalType;
Temp = iluScale_(iluCurImage, Width, Height, Depth);
if (Temp != NULL) {
if( !ilTexImage(Temp->Width, Temp->Height, Temp->Depth, Temp->Bpp, Temp->Format, Temp->Type, Temp->Data) ) {
ilCloseImage(Temp);
return IL_FALSE;
}
iluCurImage->Origin = Origin;
ilCloseImage(Temp);
if (UsePal) {
if (!ilConvertImage(IL_COLOUR_INDEX, IL_UNSIGNED_BYTE))
return IL_FALSE;
ilConvertPal(PalType);
}
return IL_TRUE;
}
return IL_FALSE;
}
ILimage *MakeD3D10Compliant(ID3D10Device *Device, DXGI_FORMAT *DestFormat)
{
ILimage *Converted, *Scaled, *CurImage;
ILuint nConversionType, ilutFormat;
ILboolean bForceIntegerFormat = ilutGetBoolean(ILUT_FORCE_INTEGER_FORMAT);
Device;
ilutFormat = ilutCurImage->Format;
nConversionType = ilutCurImage->Type;
if (!ilutCurImage)
return NULL;
switch (ilutCurImage->Type)
{
case IL_UNSIGNED_BYTE:
case IL_BYTE:
case IL_SHORT:
case IL_UNSIGNED_SHORT:
case IL_INT:
case IL_UNSIGNED_INT:
*DestFormat = DXGI_FORMAT_R8G8B8A8_UINT;
nConversionType = IL_UNSIGNED_BYTE;
ilutFormat = IL_RGBA;
break;
case IL_FLOAT:
case IL_DOUBLE:
case IL_HALF:
if (bForceIntegerFormat || (!FormatsDX10supported[6]))
{
*DestFormat = DXGI_FORMAT_R8G8B8A8_UINT;
nConversionType = IL_UNSIGNED_BYTE;
ilutFormat = IL_RGBA;
}
else
{
*DestFormat = DXGI_FORMAT_R32G32B32A32_FLOAT;
nConversionType = IL_HALF;
ilutFormat = IL_RGBA;
}
break;
}
// Images must be in BGRA format.
if (((ilutCurImage->Format != ilutFormat))
|| (ilutCurImage->Type != nConversionType))
{
Converted = iConvertImage(ilutCurImage, ilutFormat, nConversionType);
if (Converted == NULL)
return NULL;
}
else
{
Converted = ilutCurImage;
}
// Images must have their origin in the upper left.
if (Converted->Origin != IL_ORIGIN_UPPER_LEFT)
{
CurImage = ilutCurImage;
ilSetCurImage(Converted);
iluFlipImage();
ilSetCurImage(CurImage);
}
// Images must have powers-of-2 dimensions.
if (ilNextPower2(ilutCurImage->Width) != ilutCurImage->Width ||
ilNextPower2(ilutCurImage->Height) != ilutCurImage->Height ||
ilNextPower2(ilutCurImage->Depth) != ilutCurImage->Depth) {
Scaled = iluScale_(Converted, ilNextPower2(ilutCurImage->Width),
ilNextPower2(ilutCurImage->Height), 1); //@TODO: 1 should be ilNextPower2(ilutCurImage->Depth)
if (Converted != ilutCurImage) {
ilCloseImage(Converted);
}
if (Scaled == NULL) {
return NULL;
}
Converted = Scaled;
}
return Converted;
}
ILimage *MakeD3D9Compliant(IDirect3DDevice9 *Device, D3DFORMAT *DestFormat)
{
ILuint color;
ILimage *Converted, *Scaled, *CurImage;
*DestFormat = D3DFMT_A8R8G8B8;
// Images must be in BGRA format.
if (ilutCurImage->Format != IL_BGRA) {
Converted = iConvertImage(ilutCurImage, IL_BGRA, IL_UNSIGNED_BYTE);
if (Converted == NULL)
return NULL;
}
else {
Converted = ilutCurImage;
}
// perform alpha key on images if requested
color=ilutGetInteger(ILUT_D3D_ALPHA_KEY_COLOR);
if(color>=0)
{
ILubyte *data;
ILubyte *maxdata;
ILuint t;
data=(Converted->Data);
maxdata=(Converted->Data+Converted->SizeOfData);
while(data<maxdata)
{
t= (data[2]<<16) + (data[1]<<8) + (data[0]) ;
if((t&0x00ffffff)==(color&0x00ffffff))
{
data[0]=0;
data[1]=0;
data[2]=0;
data[3]=0;
}
data+=4;
}
}
// Images must have their origin in the upper left.
if (Converted->Origin != IL_ORIGIN_UPPER_LEFT) {
CurImage = ilutCurImage;
ilSetCurImage(Converted);
iluFlipImage();
ilSetCurImage(CurImage);
}
// Images must have powers-of-2 dimensions.
if (ilNextPower2(ilutCurImage->Width) != ilutCurImage->Width ||
ilNextPower2(ilutCurImage->Height) != ilutCurImage->Height ||
ilNextPower2(ilutCurImage->Depth) != ilutCurImage->Depth) {
Scaled = iluScale_(Converted, ilNextPower2(ilutCurImage->Width),
ilNextPower2(ilutCurImage->Height), ilNextPower2(ilutCurImage->Depth));
if (Converted != ilutCurImage) {
ilCloseImage(Converted);
}
if (Scaled == NULL) {
return NULL;
}
Converted = Scaled;
}
return Converted;
}
