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#include "texture_basisu.h"
#if 0
#include "core/os/os.h"
#ifdef TOOLS_ENABLED
#include <basisu_comp.h>
#endif
#include <transcoder/basisu_transcoder.h>
void TextureBasisU::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_basisu_data", "data"), &TextureBasisU::set_basisu_data);
ClassDB::bind_method(D_METHOD("get_basisu_data"), &TextureBasisU::get_data);
ClassDB::bind_method(D_METHOD("import"), &TextureBasisU::import);
ADD_PROPERTY(PropertyInfo(Variant::POOL_BYTE_ARRAY, "basisu_data"), "set_basisu_data", "get_basisu_data");
};
int TextureBasisU::get_width() const {
return tex_size.x;
};
int TextureBasisU::get_height() const {
return tex_size.y;
};
RID TextureBasisU::get_rid() const {
return texture;
};
bool TextureBasisU::has_alpha() const {
return false;
};
void TextureBasisU::set_flags(uint32_t p_flags) {
flags = p_flags;
VisualServer::get_singleton()->texture_set_flags(texture, p_flags);
};
uint32_t TextureBasisU::get_flags() const {
return flags;
};
void TextureBasisU::set_basisu_data(const PoolVector<uint8_t>& p_data) {
#ifdef TOOLS_ENABLED
data = p_data;
#endif
PoolVector<uint8_t>::Read r = p_data.read();
const void* ptr = r.ptr();
int size = p_data.size();
basist::transcoder_texture_format format;
Image::Format imgfmt;
if (OS::get_singleton()->has_feature("s3tc")) {
format = basist::cTFBC3; // get this from renderer
imgfmt = Image::FORMAT_DXT5;
} else if (OS::get_singleton()->has_feature("etc2")) {
format = basist::cTFETC2;
imgfmt = Image::FORMAT_ETC2_RGBA8;
};
basist::basisu_transcoder tr(NULL);
ERR_FAIL_COND(!tr.validate_header(ptr, size));
basist::basisu_image_info info;
tr.get_image_info(ptr, size, info, 0);
tex_size = Size2(info.m_width, info.m_height);
int block_size = basist::basis_get_bytes_per_block(format);
PoolVector<uint8_t> gpudata;
gpudata.resize(info.m_total_blocks * block_size);
{
PoolVector<uint8_t>::Write w = gpudata.write();
uint8_t* dst = w.ptr();
for (int i=0; i<gpudata.size(); i++)
dst[i] = 0x00;
int ofs = 0;
tr.start_transcoding(ptr, size);
for (int i=0; i<info.m_total_levels; i++) {
basist::basisu_image_level_info level;
tr.get_image_level_info(ptr, size, level, 0, i);
bool ret = tr.transcode_image_level(ptr, size, 0, i, dst + ofs, level.m_total_blocks - i, format);
if (!ret) {
printf("failed! on level %i\n", i);
break;
};
ofs += level.m_total_blocks * block_size;
};
};
Ref<Image> img;
img.instance();
img->create(info.m_width, info.m_height, info.m_total_levels > 1, imgfmt, gpudata);
VisualServer::get_singleton()->texture_allocate(texture, tex_size.x, tex_size.y, 0, img->get_format(), VS::TEXTURE_TYPE_2D, flags);
VisualServer::get_singleton()->texture_set_data(texture, img);
};
Error TextureBasisU::import(const Ref<Image>& p_img) {
#ifdef TOOLS_ENABLED
PoolVector<uint8_t> budata;
{
Image::Format format = p_img->get_format();
if (format != Image::FORMAT_RGB8 && format != Image::FORMAT_RGBA8) {
ERR_FAIL_V(ERR_INVALID_PARAMETER);
return ERR_INVALID_PARAMETER;
};
Ref<Image> copy = p_img->duplicate();
if (format == Image::FORMAT_RGB8)
copy->convert(Image::FORMAT_RGBA8);
basisu::image buimg(p_img->get_width(), p_img->get_height());
int size = p_img->get_width() * p_img->get_height() * 4;
PoolVector<uint8_t> vec = copy->get_data();
{
PoolVector<uint8_t>::Read r = vec.read();
memcpy(buimg.get_ptr(), r.ptr(), size);
};
basisu::basis_compressor_params params;
params.m_max_endpoint_clusters = 512;
params.m_max_selector_clusters = 512;
params.m_multithreading = true;
basisu::job_pool jpool(1);
params.m_pJob_pool = &jpool;
params.m_mip_gen = p_img->get_mipmap_count() > 0;
params.m_source_images.push_back(buimg);
basisu::basis_compressor c;
c.init(params);
int buerr = c.process();
if (buerr != basisu::basis_compressor::cECSuccess) {
ERR_FAIL_V(ERR_INVALID_PARAMETER);
return ERR_INVALID_PARAMETER;
};
const basisu::uint8_vec& buvec = c.get_output_basis_file();
budata.resize(buvec.size());
{
PoolVector<uint8_t>::Write w = budata.write();
memcpy(w.ptr(), &buvec[0], budata.size());
};
};
set_basisu_data(budata);
return OK;
#else
return ERR_UNAVAILABLE;
#endif
};
PoolVector<uint8_t> TextureBasisU::get_basisu_data() const {
return data;
};
TextureBasisU::TextureBasisU() {
flags = FLAGS_DEFAULT;
texture = VisualServer::get_singleton()->texture_create();
};
TextureBasisU::~TextureBasisU() {
VisualServer::get_singleton()->free(texture);
};
#endif
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