118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
485 lines
13 KiB
C++
485 lines
13 KiB
C++
/*************************************************************************/
|
|
/* texture_loader_dds.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "texture_loader_dds.h"
|
|
#include "os/file_access.h"
|
|
|
|
|
|
enum {
|
|
DDS_MAGIC=0x20534444,
|
|
DDSD_CAPS=0x00000001,
|
|
DDSD_PIXELFORMAT=0x00001000,
|
|
DDSD_PITCH=0x00000008,
|
|
DDSD_LINEARSIZE=0x00080000,
|
|
DDSD_MIPMAPCOUNT=0x00020000,
|
|
DDPF_FOURCC=0x00000004,
|
|
DDPF_ALPHAPIXELS=0x00000001,
|
|
DDPF_INDEXED=0x00000020,
|
|
DDPF_RGB=0x00000040,
|
|
};
|
|
|
|
enum DDSFormat {
|
|
|
|
DDS_DXT1,
|
|
DDS_DXT3,
|
|
DDS_DXT5,
|
|
DDS_ATI1,
|
|
DDS_ATI2,
|
|
DDS_BGRA8,
|
|
DDS_BGR8,
|
|
DDS_RGBA8, //flipped in dds
|
|
DDS_RGB8, //flipped in dds
|
|
DDS_BGR5A1,
|
|
DDS_BGR565,
|
|
DDS_BGR10A2,
|
|
DDS_INDEXED,
|
|
DDS_LUMINANCE,
|
|
DDS_LUMINANCE_ALPHA,
|
|
DDS_MAX
|
|
};
|
|
|
|
struct DDSFormatInfo {
|
|
const char *name;
|
|
bool compressed;
|
|
bool palette;
|
|
uint32_t divisor;
|
|
uint32_t block_size;
|
|
Image::Format format;
|
|
};
|
|
|
|
|
|
static const DDSFormatInfo dds_format_info[DDS_MAX]={
|
|
{"DXT1",true,false,4,8,Image::FORMAT_DXT1},
|
|
{"DXT3",true,false,4,16,Image::FORMAT_DXT3},
|
|
{"DXT5",true,false,4,16,Image::FORMAT_DXT5},
|
|
{"ATI1",true,false,4,8,Image::FORMAT_ATI1},
|
|
{"ATI2",true,false,4,16,Image::FORMAT_ATI2},
|
|
{"BGRA8",false,false,1,4,Image::FORMAT_RGBA8},
|
|
{"BGR8",false,false,1,3,Image::FORMAT_RGB8},
|
|
{"RGBA8",false,false,1,4,Image::FORMAT_RGBA8},
|
|
{"RGB8",false,false,1,3,Image::FORMAT_RGB8},
|
|
{"BGR5A1",false,false,1,2,Image::FORMAT_RGBA8},
|
|
{"BGR565",false,false,1,2,Image::FORMAT_RGB8},
|
|
{"BGR10A2",false,false,1,4,Image::FORMAT_RGBA8},
|
|
{"GRAYSCALE",false,false,1,1,Image::FORMAT_L8},
|
|
{"GRAYSCALE_ALPHA",false,false,1,2,Image::FORMAT_LA8}
|
|
};
|
|
|
|
|
|
RES ResourceFormatDDS::load(const String &p_path, const String& p_original_path, Error *r_error) {
|
|
|
|
if (r_error)
|
|
*r_error=ERR_CANT_OPEN;
|
|
|
|
Error err;
|
|
FileAccess *f = FileAccess::open(p_path,FileAccess::READ,&err);
|
|
if (!f)
|
|
return RES();
|
|
|
|
FileAccessRef fref(f);
|
|
if (r_error)
|
|
*r_error=ERR_FILE_CORRUPT;
|
|
|
|
ERR_EXPLAIN("Unable to open DDS texture file: "+p_path);
|
|
ERR_FAIL_COND_V(err!=OK,RES());
|
|
|
|
uint32_t magic = f->get_32();
|
|
uint32_t hsize = f->get_32();
|
|
uint32_t flags = f->get_32();
|
|
uint32_t width = f->get_32();
|
|
uint32_t height = f->get_32();
|
|
uint32_t pitch = f->get_32();
|
|
uint32_t depth = f->get_32();
|
|
uint32_t mipmaps = f->get_32();
|
|
|
|
//skip 11
|
|
for(int i=0;i<11;i++)
|
|
f->get_32();
|
|
|
|
//validate
|
|
|
|
if (magic!=DDS_MAGIC || hsize!=124 || !(flags&DDSD_PIXELFORMAT) || !(flags&DDSD_CAPS)) {
|
|
|
|
ERR_EXPLAIN("Invalid or Unsupported DDS texture file: "+p_path);
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
|
|
|
|
uint32_t format_size = f->get_32();
|
|
uint32_t format_flags = f->get_32();
|
|
uint32_t format_fourcc = f->get_32();
|
|
uint32_t format_rgb_bits = f->get_32();
|
|
uint32_t format_red_mask = f->get_32();
|
|
uint32_t format_green_mask = f->get_32();
|
|
uint32_t format_blue_mask = f->get_32();
|
|
uint32_t format_alpha_mask = f->get_32();
|
|
|
|
uint32_t caps_1 = f->get_32();
|
|
uint32_t caps_2 = f->get_32();
|
|
uint32_t caps_ddsx = f->get_32();
|
|
|
|
//reserved skip
|
|
f->get_32();
|
|
f->get_32();
|
|
|
|
/*print_line("DDS width: "+itos(width));
|
|
print_line("DDS height: "+itos(height));
|
|
print_line("DDS mipmaps: "+itos(mipmaps));*/
|
|
|
|
//printf("fourcc: %x fflags: %x, rgbbits: %x, fsize: %x\n",format_fourcc,format_flags,format_rgb_bits,format_size);
|
|
//printf("rmask: %x gmask: %x, bmask: %x, amask: %x\n",format_red_mask,format_green_mask,format_blue_mask,format_alpha_mask);
|
|
|
|
//must avoid this later
|
|
while(f->get_pos()<128)
|
|
f->get_8();
|
|
|
|
|
|
DDSFormat dds_format;
|
|
|
|
if (format_flags&DDPF_FOURCC && format_fourcc==0x31545844) { //'1TXD'
|
|
|
|
dds_format=DDS_DXT1;
|
|
} else if (format_flags&DDPF_FOURCC && format_fourcc==0x33545844) { //'3TXD'
|
|
|
|
dds_format=DDS_DXT3;
|
|
|
|
} else if (format_flags&DDPF_FOURCC && format_fourcc==0x35545844) { //'5TXD'
|
|
|
|
dds_format=DDS_DXT5;
|
|
} else if (format_flags&DDPF_FOURCC && format_fourcc==0x31495441) { //'1ITA'
|
|
|
|
dds_format=DDS_ATI1;
|
|
} else if (format_flags&DDPF_FOURCC && format_fourcc==0x32495441) { //'2ITA'
|
|
|
|
dds_format=DDS_ATI2;
|
|
|
|
} else if (format_flags&DDPF_RGB && format_flags&DDPF_ALPHAPIXELS && format_rgb_bits==32 && format_red_mask==0xff0000 && format_green_mask==0xff00 && format_blue_mask==0xff && format_alpha_mask==0xff000000) {
|
|
|
|
dds_format=DDS_BGRA8;
|
|
} else if (format_flags&DDPF_RGB && !(format_flags&DDPF_ALPHAPIXELS ) && format_rgb_bits==24 && format_red_mask==0xff0000 && format_green_mask==0xff00 && format_blue_mask==0xff) {
|
|
|
|
dds_format=DDS_BGR8;
|
|
} else if (format_flags&DDPF_RGB && format_flags&DDPF_ALPHAPIXELS && format_rgb_bits==32 && format_red_mask==0xff && format_green_mask==0xff00 && format_blue_mask==0xff0000 && format_alpha_mask==0xff000000) {
|
|
|
|
dds_format=DDS_RGBA8;
|
|
} else if (format_flags&DDPF_RGB && !(format_flags&DDPF_ALPHAPIXELS ) && format_rgb_bits==24 && format_red_mask==0xff && format_green_mask==0xff00 && format_blue_mask==0xff0000) {
|
|
|
|
dds_format=DDS_RGB8;
|
|
|
|
} else if (format_flags&DDPF_RGB && format_flags&DDPF_ALPHAPIXELS && format_rgb_bits==16 && format_red_mask==0x00007c00 && format_green_mask==0x000003e0 && format_blue_mask==0x0000001f && format_alpha_mask==0x00008000) {
|
|
|
|
dds_format=DDS_BGR5A1;
|
|
} else if (format_flags&DDPF_RGB && format_flags&DDPF_ALPHAPIXELS && format_rgb_bits==32 && format_red_mask==0x3ff00000 && format_green_mask==0xffc00 && format_blue_mask==0x3ff && format_alpha_mask==0xc0000000) {
|
|
|
|
dds_format=DDS_BGR10A2;
|
|
} else if (format_flags&DDPF_RGB && !(format_flags&DDPF_ALPHAPIXELS) && format_rgb_bits==16 && format_red_mask==0x0000f800 && format_green_mask==0x000007e0 && format_blue_mask==0x0000001f) {
|
|
|
|
dds_format=DDS_BGR565;
|
|
} else if (!(format_flags&DDPF_ALPHAPIXELS) && format_rgb_bits==8 && format_red_mask==0xff && format_green_mask==0xff && format_blue_mask==0xff) {
|
|
|
|
dds_format=DDS_LUMINANCE;
|
|
} else if ((format_flags&DDPF_ALPHAPIXELS) && format_rgb_bits==16 && format_red_mask==0xff && format_green_mask==0xff && format_blue_mask==0xff && format_alpha_mask==0xff00) {
|
|
|
|
dds_format=DDS_LUMINANCE_ALPHA;
|
|
} else if (format_flags&DDPF_INDEXED && format_rgb_bits==8) {
|
|
|
|
dds_format=DDS_BGR565;
|
|
} else {
|
|
|
|
printf("unrecognized fourcc %x format_flags: %x - rgbbits %i - red_mask %x green mask %x blue mask %x alpha mask %x\n",format_fourcc,format_flags,format_rgb_bits,format_red_mask,format_green_mask,format_blue_mask,format_alpha_mask);
|
|
ERR_EXPLAIN("Unrecognized or Unsupported color layout in DDS: "+p_path);
|
|
|
|
ERR_FAIL_V(RES());
|
|
|
|
}
|
|
|
|
if (!(flags&DDSD_MIPMAPCOUNT))
|
|
mipmaps=1;
|
|
|
|
// print_line("found format: "+String(dds_format_info[dds_format].name));
|
|
|
|
DVector<uint8_t> src_data;
|
|
|
|
const DDSFormatInfo &info=dds_format_info[dds_format];
|
|
uint32_t w = width;
|
|
uint32_t h = height;
|
|
|
|
|
|
if (info.compressed) {
|
|
//compressed bc
|
|
|
|
uint32_t size = MAX( info.divisor, w )/info.divisor * MAX( info.divisor, h )/info.divisor * info.block_size;
|
|
ERR_FAIL_COND_V( size!=pitch, RES() );
|
|
ERR_FAIL_COND_V( !(flags&DDSD_LINEARSIZE), RES() );
|
|
|
|
for(uint32_t i=1;i<mipmaps;i++) {
|
|
|
|
w=MAX(1,w>>1);
|
|
h=MAX(1,h>>1);
|
|
uint32_t bsize = MAX( info.divisor, w )/info.divisor * MAX( info.divisor, h )/info.divisor * info.block_size;
|
|
//printf("%i x %i - block: %i\n",w,h,bsize);
|
|
size+= bsize;
|
|
}
|
|
|
|
src_data.resize(size);
|
|
DVector<uint8_t>::Write wb = src_data.write();
|
|
f->get_buffer(wb.ptr(),size);
|
|
wb=DVector<uint8_t>::Write();
|
|
|
|
} else if (info.palette) {
|
|
|
|
//indexed
|
|
ERR_FAIL_COND_V( !(flags&DDSD_PITCH), RES());
|
|
ERR_FAIL_COND_V( format_rgb_bits!=8, RES() );
|
|
|
|
uint32_t size = pitch*height;
|
|
ERR_FAIL_COND_V( size != width*height * info.block_size, RES());
|
|
|
|
uint8_t pallete[256*4];
|
|
f->get_buffer(pallete,256*4);
|
|
|
|
int colsize=3;
|
|
for(int i=0;i<256;i++) {
|
|
|
|
if (pallete[i*4+3]<255)
|
|
colsize=4;
|
|
}
|
|
|
|
int w = width;
|
|
int h = height;
|
|
|
|
for(uint32_t i=1;i<mipmaps;i++) {
|
|
|
|
w=(w+1)>>1;
|
|
h=(h+1)>>1;
|
|
size+= w*h*info.block_size;
|
|
}
|
|
|
|
src_data.resize(size + 256*colsize );
|
|
DVector<uint8_t>::Write wb = src_data.write();
|
|
f->get_buffer(wb.ptr(),size);
|
|
|
|
for(int i=0;i<256;i++) {
|
|
|
|
int dst_ofs = size+i*colsize;
|
|
int src_ofs = i*4;
|
|
wb[dst_ofs+0]=pallete[src_ofs+2];
|
|
wb[dst_ofs+1]=pallete[src_ofs+1];
|
|
wb[dst_ofs+2]=pallete[src_ofs+0];
|
|
if (colsize==4)
|
|
wb[dst_ofs+3]=pallete[src_ofs+3];
|
|
}
|
|
|
|
|
|
wb=DVector<uint8_t>::Write();
|
|
} else {
|
|
//uncompressed generic...
|
|
|
|
uint32_t size = width*height*info.block_size;
|
|
|
|
|
|
for(uint32_t i=1;i<mipmaps;i++) {
|
|
|
|
w=(w+1)>>1;
|
|
h=(h+1)>>1;
|
|
size+= w*h*info.block_size;
|
|
}
|
|
|
|
if (dds_format==DDS_BGR565)
|
|
size=size*3/2;
|
|
else if (dds_format==DDS_BGR5A1)
|
|
size=size*2;
|
|
|
|
src_data.resize(size);
|
|
DVector<uint8_t>::Write wb = src_data.write();
|
|
f->get_buffer(wb.ptr(),size);
|
|
|
|
|
|
switch(dds_format) {
|
|
|
|
case DDS_BGR5A1: {
|
|
|
|
// TO RGBA
|
|
int colcount = size/4;
|
|
|
|
for(int i=colcount-1;i>=0;i--) {
|
|
|
|
int src_ofs = i*2;
|
|
int dst_ofs = i*4;
|
|
|
|
uint8_t a=wb[src_ofs+1]&0x80;
|
|
uint8_t b= wb[src_ofs]&0x1F;
|
|
uint8_t g= (wb[src_ofs]>>5) | ((wb[src_ofs+1]&0x3)<<3);
|
|
uint8_t r= (wb[src_ofs+1]>>2)&0x1F;
|
|
wb[dst_ofs+0]=r<<3;
|
|
wb[dst_ofs+1]=g<<3;
|
|
wb[dst_ofs+2]=b<<3;
|
|
wb[dst_ofs+3]=a?255:0;
|
|
}
|
|
} break;
|
|
case DDS_BGR565: {
|
|
|
|
int colcount = size/3;
|
|
|
|
for(int i=colcount-1;i>=0;i--) {
|
|
|
|
int src_ofs = i*2;
|
|
int dst_ofs = i*3;
|
|
|
|
uint8_t b= wb[src_ofs]&0x1F;
|
|
uint8_t g= (wb[src_ofs]>>5) | ((wb[src_ofs+1]&0x7)<<3);
|
|
uint8_t r= wb[src_ofs+1]>>3;
|
|
wb[dst_ofs+0]=r<<3;
|
|
wb[dst_ofs+1]=g<<2;
|
|
wb[dst_ofs+2]=b<<3;//b<<3;
|
|
|
|
}
|
|
|
|
} break;
|
|
case DDS_BGR10A2: {
|
|
|
|
// TO RGBA
|
|
int colcount = size/4;
|
|
|
|
for(int i=colcount-1;i>=0;i--) {
|
|
|
|
int ofs = i*4;
|
|
|
|
uint32_t w32 = uint32_t(wb[ofs+0]) | (uint32_t(wb[ofs+1])<<8) | (uint32_t(wb[ofs+2])<<16) | (uint32_t(wb[ofs+3])<<24);
|
|
|
|
uint8_t a= (w32&0xc0000000) >> 24;
|
|
uint8_t r= (w32&0x3ff00000) >> 22;
|
|
uint8_t g= (w32&0xffc00) >> 12;
|
|
uint8_t b= (w32&0x3ff) >> 2;
|
|
|
|
|
|
wb[ofs+0]=r;
|
|
wb[ofs+1]=g;
|
|
wb[ofs+2]=b;
|
|
wb[ofs+3]=a==0xc0 ? 255 : a; //0xc0 should be opaque
|
|
|
|
}
|
|
} break;
|
|
case DDS_BGRA8: {
|
|
|
|
int colcount = size/4;
|
|
|
|
for(int i=0;i<colcount;i++) {
|
|
|
|
SWAP( wb[i*4+0],wb[i*4+2] );
|
|
}
|
|
|
|
} break;
|
|
case DDS_BGR8: {
|
|
|
|
int colcount = size/3;
|
|
|
|
for(int i=0;i<colcount;i++) {
|
|
|
|
SWAP( wb[i*3+0],wb[i*3+2] );
|
|
}
|
|
} break;
|
|
case DDS_RGBA8: {
|
|
|
|
/* do nothing either
|
|
int colcount = size/4;
|
|
|
|
for(int i=0;i<colcount;i++) {
|
|
|
|
uint8_t r = wb[i*4+1];
|
|
uint8_t g = wb[i*4+2];
|
|
uint8_t b = wb[i*4+3];
|
|
uint8_t a = wb[i*4+0];
|
|
|
|
wb[i*4+0]=r;
|
|
wb[i*4+1]=g;
|
|
wb[i*4+2]=b;
|
|
wb[i*4+3]=a;
|
|
}
|
|
*/
|
|
} break;
|
|
case DDS_RGB8: {
|
|
|
|
// do nothing
|
|
/*
|
|
int colcount = size/3;
|
|
|
|
for(int i=0;i<colcount;i++) {
|
|
|
|
SWAP( wb[i*3+0],wb[i*3+2] );
|
|
}*/
|
|
} break;
|
|
case DDS_LUMINANCE: {
|
|
|
|
// do nothing i guess?
|
|
|
|
} break;
|
|
case DDS_LUMINANCE_ALPHA: {
|
|
|
|
// do nothing i guess?
|
|
|
|
} break;
|
|
|
|
default: {}
|
|
|
|
}
|
|
|
|
wb=DVector<uint8_t>::Write();
|
|
}
|
|
|
|
|
|
Image img(width,height,mipmaps-1,info.format,src_data);
|
|
|
|
Ref<ImageTexture> texture = memnew( ImageTexture );
|
|
texture->create_from_image(img);
|
|
|
|
if (r_error)
|
|
*r_error=OK;
|
|
|
|
|
|
return texture;
|
|
|
|
}
|
|
|
|
void ResourceFormatDDS::get_recognized_extensions(List<String> *p_extensions) const {
|
|
|
|
p_extensions->push_back("dds");
|
|
}
|
|
|
|
bool ResourceFormatDDS::handles_type(const String& p_type) const {
|
|
|
|
return ClassDB::is_parent_class(p_type,"Texture");
|
|
}
|
|
|
|
String ResourceFormatDDS::get_resource_type(const String &p_path) const {
|
|
|
|
if (p_path.extension().to_lower()=="dds")
|
|
return "ImageTexture";
|
|
return "";
|
|
}
|