ILboolean iD3D8CreateMipmaps(IDirect3DTexture8 *Texture, ILimage *Image)
{
D3DLOCKED_RECT Rect;
D3DSURFACE_DESC Desc;
ILuint NumMips, Width, Height, i;
ILimage *CurImage, *MipImage, *Temp;
NumMips = IDirect3DTexture8_GetLevelCount(Texture);
Width = Image->Width;
Height = Image->Height;
CurImage = ilGetCurImage();
MipImage = ilCopyImage_(CurImage);
ilSetCurImage(MipImage);
if (!iluBuildMipmaps()) {
ilCloseImage(MipImage);
ilSetCurImage(CurImage);
return IL_FALSE;
}
ilSetCurImage(CurImage);
Temp = MipImage->Mipmaps;
// Counts the base texture as 1.
for (i = 1; i < NumMips && Temp != NULL; i++) {
if (FAILED(IDirect3DTexture8_LockRect(Texture, i, &Rect, NULL, 0)))
return IL_FALSE;
Width = IL_MAX(1, Width / 2);
Height = IL_MAX(1, Height / 2);
IDirect3DTexture8_GetLevelDesc(Texture, i, &Desc);
if (Desc.Width != Width || Desc.Height != Height) {
IDirect3DTexture8_UnlockRect(Texture, i);
return IL_FALSE;
}
memcpy(Rect.pBits, Temp->Data, Temp->SizeOfData);
IDirect3DTexture8_UnlockRect(Texture, i);
Temp = Temp->Next;
}
ilCloseImage(MipImage);
return IL_TRUE;
}
int load_image( texture_image_t * image, int mipmaps ) //, float gamma )
{
int format = 0;
ILboolean rv;
texture_init();
ilGenImages(1, &image->id);
ilBindImage(image->id);
rv = ilLoadImage(image->path);
if (rv == IL_false)
return -1;
if(mipmaps==0)
{
rv = iluBuildMipmaps();
if (rv == IL_false)
return -1;
}
//else
//{
// // TODO - use iluScale to ensure power of two
//}
//rv = iluGammaCorrect( gamma );
//if (rv == IL_false)
// return -1;
image->w = ilGetInteger(IL_IMAGE_WIDTH);
image->h = ilGetInteger(IL_IMAGE_HEIGHT);
format = ilGetInteger(IL_IMAGE_FORMAT);
// by projectx convention
// textures that we want to color key are rbga
if(format == IL_RGBA)
image->colorkey = 1; // true
else
image->colorkey = 0; // false
image->size = image->w * image->h * IMAGE_COMPONENTS * sizeof(unsigned char);
image->data = (ILubyte *)malloc(image->size);
ilCopyPixels(0, 0, 0, image->w, image->h, 1, IL_RGBA, IL_UNSIGNED_BYTE, image->data);
return 0;
}
ILboolean iD3D9CreateMipmaps(IDirect3DTexture9 *Texture, ILimage *Image)
{
D3DLOCKED_RECT Rect;
D3DSURFACE_DESC Desc;
ILuint NumMips, Width, Height, i;
ILimage *CurImage, *MipImage, *Temp;
ILenum DXTCFormat;
ILuint Size;
ILubyte *Buffer;
ILboolean useDXTC = IL_FALSE;
NumMips = IDirect3DTexture9_GetLevelCount(Texture);
Width = Image->Width;
Height = Image->Height;
if (NumMips == 1)
return IL_TRUE;
CurImage = ilGetCurImage();
MipImage = Image;
if (MipImage->NumMips != NumMips-1) {
MipImage = ilCopyImage_(Image);
ilSetCurImage(MipImage);
if (!iluBuildMipmaps()) {
ilCloseImage(MipImage);
ilSetCurImage(CurImage);
return IL_FALSE;
}
}
// ilSetCurImage(CurImage);
Temp = MipImage->Mipmaps;
if (ilutGetBoolean(ILUT_D3D_USE_DXTC) && FormatsDX9supported[3] && FormatsDX9supported[4] && FormatsDX9supported[5])
useDXTC = IL_TRUE;
// Counts the base texture as 1.
for (i = 1; i < NumMips && Temp != NULL; i++) {
ilSetCurImage(Temp);
if (FAILED(IDirect3DTexture9_LockRect(Texture, i, &Rect, NULL, 0)))
return IL_FALSE;
Width = IL_MAX(1, Width / 2);
Height = IL_MAX(1, Height / 2);
IDirect3DTexture9_GetLevelDesc(Texture, i, &Desc);
if (Desc.Width != Width || Desc.Height != Height) {
IDirect3DTexture9_UnlockRect(Texture, i);
return IL_FALSE;
}
if (useDXTC) {
if (Temp->DxtcData != NULL && Temp->DxtcSize != 0) {
memcpy(Rect.pBits, Temp->DxtcData, Temp->DxtcSize);
} else if (ilutGetBoolean(ILUT_D3D_GEN_DXTC)) {
DXTCFormat = ilutGetInteger(ILUT_DXTC_FORMAT);
Size = ilGetDXTCData(NULL, 0, DXTCFormat);
if (Size != 0) {
Buffer = (ILubyte*)ialloc(Size);
if (Buffer == NULL) {
IDirect3DTexture9_UnlockRect(Texture, i);
return IL_FALSE;
}
Size = ilGetDXTCData(Buffer, Size, DXTCFormat);
if (Size == 0) {
ifree(Buffer);
IDirect3DTexture9_UnlockRect(Texture, i);
return IL_FALSE;
}
memcpy(Rect.pBits, Buffer, Size);
} else {
IDirect3DTexture9_UnlockRect(Texture, i);
return IL_FALSE;
}
} else {
IDirect3DTexture9_UnlockRect(Texture, i);
return IL_FALSE;
}
} else
memcpy(Rect.pBits, Temp->Data, Temp->SizeOfData);
IDirect3DTexture9_UnlockRect(Texture, i);
Temp = Temp->Next;
}
if (MipImage != Image)
ilCloseImage(MipImage);
ilSetCurImage(CurImage);
return IL_TRUE;
}
