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Code Issues 121 Wiki Activity

Merge branch 'tmj-dev' into milek-dev

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This commit is contained in:
milek7
2018-10-25 11:51:38 +02:00
parent d5c652f61b b36ed8db6c
commit 98b167a666
26 changed files with 792 additions and 387 deletions
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219
Texture.cpp
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@@ -18,6 +18,7 @@ http://mozilla.org/MPL/2.0/.
#include "GL/glew.h"
#include "application.h"
#include "utilities.h"
#include "Globals.h"
#include "Logs.h"
@@ -39,19 +40,24 @@ texture_manager::texture_manager() {
void
opengl_texture::load() {
if( name.size() < 3 ) { goto fail; }
if( type == "make:" ) {
// for generated texture we delay data creation until texture is bound
// this ensures the script will receive all simulation data it might potentially want
// as any binding will happen after simulation is loaded, initialized and running
// until then we supply data for a tiny 2x2 grey stub
make_stub();
}
else {
WriteLog( "Loading texture data from \"" + name + "\"", logtype::texture );
WriteLog( "Loading texture data from \"" + name + type + "\"", logtype::texture );
data_state = resource_state::loading;
{
std::string const extension = name.substr( name.size() - 3, 3 );
data_state = resource_state::loading;
if( extension == "dds" ) { load_DDS(); }
else if( extension == "tga" ) { load_TGA(); }
else if( extension == "png" ) { load_PNG(); }
else if( extension == "bmp" ) { load_BMP(); }
else if( extension == "tex" ) { load_TEX(); }
if( type == ".dds" ) { load_DDS(); }
else if( type == ".tga" ) { load_TGA(); }
else if( type == ".png" ) { load_PNG(); }
else if( type == ".bmp" ) { load_BMP(); }
else if( type == ".tex" ) { load_TEX(); }
else { goto fail; }
}
@@ -70,7 +76,7 @@ opengl_texture::load() {
fail:
data_state = resource_state::failed;
ErrorLog( "Bad texture: failed to load texture \"" + name + "\"" );
ErrorLog( "Bad texture: failed to load texture \"" + name + type + "\"" );
// NOTE: temporary workaround for texture assignment errors
id = 0;
return;
@@ -123,10 +129,48 @@ void opengl_texture::load_PNG()
data_state = resource_state::good;
}
void
opengl_texture::make_stub() {
data_width = 2;
data_height = 2;
data.resize( data_width * data_height * 3 );
std::fill( std::begin( data ), std::end( data ), static_cast<char>( 0xc0 ) );
data_mapcount = 1;
data_format = GL_RGB;
data_components = GL_RGB;
data_state = resource_state::good;
}
void
opengl_texture::make_request() {
auto const components { Split( name, '?' ) };
auto const query { Split( components.back(), '&' ) };
PyObject *pythondictionary { nullptr };
Application.acquire_python_lock();
{
pythondictionary = PyDict_New();
if( pythondictionary != nullptr ) {
for( auto const &querypair : query ) {
auto const valuepos { querypair.find( '=' ) };
PyDict_SetItemString(
pythondictionary,
ToLower( querypair.substr( 0, valuepos ) ).c_str(),
PyGetString( querypair.substr( valuepos + 1 ).c_str() ) );
}
}
}
Application.release_python_lock();
Application.request( { ToLower( components.front() ), pythondictionary, id } );
}
void
opengl_texture::load_BMP() {
std::ifstream file( name, std::ios::binary ); file.unsetf( std::ios::skipws );
std::ifstream file( name + type, std::ios::binary ); file.unsetf( std::ios::skipws );
BITMAPFILEHEADER header;
@@ -250,7 +294,7 @@ DDSURFACEDESC2 opengl_texture::deserialize_ddsd(std::istream &s)
void
opengl_texture::load_DDS() {
std::ifstream file( name, std::ios::binary | std::ios::ate ); file.unsetf( std::ios::skipws );
std::ifstream file( name + type, std::ios::binary | std::ios::ate ); file.unsetf( std::ios::skipws );
std::size_t filesize = static_cast<size_t>(file.tellg()); // ios::ate already positioned us at the end of the file
file.seekg( 0, std::ios::beg ); // rewind the caret afterwards
@@ -308,12 +352,12 @@ opengl_texture::load_DDS() {
data_width /= 2;
data_height /= 2;
--data_mapcount;
WriteLog( "Texture size exceeds specified limits, skipping mipmap level" );
WriteLog( "Texture pixelcount exceeds specified limits, skipping mipmap level" );
};
if( data_mapcount <= 0 ) {
// there's a chance we've discarded the provided mipmap(s) as too large
WriteLog( "Texture \"" + name + "\" has no mipmaps which can fit currently set texture size limits." );
WriteLog( "Texture \"" + name + "\" has no mipmaps which can fit currently set texture pixelcount limits." );
data_state = resource_state::failed;
return;
}
@@ -374,7 +418,7 @@ opengl_texture::load_DDS() {
void
opengl_texture::load_TEX() {
std::ifstream file( name, std::ios::binary ); file.unsetf( std::ios::skipws );
std::ifstream file( name + type, std::ios::binary ); file.unsetf( std::ios::skipws );
char head[ 5 ];
file.read( head, 4 );
@@ -421,7 +465,7 @@ opengl_texture::load_TEX() {
void
opengl_texture::load_TGA() {
std::ifstream file( name, std::ios::binary ); file.unsetf( std::ios::skipws );
std::ifstream file( name + type, std::ios::binary ); file.unsetf( std::ios::skipws );
// Read the header of the TGA, compare it with the known headers for compressed and uncompressed TGAs
unsigned char tgaheader[ 18 ];
@@ -660,6 +704,12 @@ opengl_texture::create() {
data = std::vector<char>();
data_state = resource_state::none;
}
if( type == "make:" ) {
// for generated textures send a request to have the actual content of the texture generated
make_request();
}
is_ready = true;
}
@@ -676,30 +726,36 @@ opengl_texture::release() {
// if resource move is enabled we don't keep a cpu side copy after upload
// so need to re-acquire the data before release
// TBD, TODO: instead of vram-ram transfer fetch the data 'normally' from the disk using worker thread
::glBindTexture( GL_TEXTURE_2D, id );
GLint datasize {};
GLint iscompressed {};
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED, &iscompressed );
if( iscompressed == GL_TRUE ) {
// texture is compressed on the gpu side
// query texture details needed to perform the backup...
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &data_format );
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &datasize );
data.resize( datasize );
// ...fetch the data...
::glGetCompressedTexImage( GL_TEXTURE_2D, 0, &data[ 0 ] );
if( type == "make:" ) {
// auto generated textures only store a stub
make_stub();
}
else {
// for whatever reason texture didn't get compressed during upload
// fallback on plain rgba storage...
data_format = GL_RGBA;
data.resize( data_width * data_height * 4 );
// ...fetch the data...
::glGetTexImage( GL_TEXTURE_2D, 0, data_format, GL_UNSIGNED_BYTE, &data[ 0 ] );
::glBindTexture( GL_TEXTURE_2D, id );
GLint datasize{};
GLint iscompressed{};
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED, &iscompressed );
if( iscompressed == GL_TRUE ) {
// texture is compressed on the gpu side
// query texture details needed to perform the backup...
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &data_format );
::glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &datasize );
data.resize( datasize );
// ...fetch the data...
::glGetCompressedTexImage( GL_TEXTURE_2D, 0, &data[ 0 ] );
}
else {
// for whatever reason texture didn't get compressed during upload
// fallback on plain rgba storage...
data_format = GL_RGBA;
data.resize( data_width * data_height * 4 );
// ...fetch the data...
::glGetTexImage( GL_TEXTURE_2D, 0, data_format, GL_UNSIGNED_BYTE, &data[ 0 ] );
}
// ...and update texture object state
data_mapcount = 1; // we keep copy of only top mipmap level
data_state = resource_state::good;
}
// ...and update texture object state
data_mapcount = 1; // we keep copy of only top mipmap level
data_state = resource_state::good;
}
// release opengl resources
::glDeleteTextures( 1, &id );
@@ -753,7 +809,7 @@ opengl_texture::downsize( GLuint const Format ) {
break;
}
WriteLog( "Texture size exceeds specified limits, downsampling data" );
WriteLog( "Texture pixelcount exceeds specified limits, downsampling data" );
// trim potential odd texture sizes
data_width -= ( data_width % 2 );
data_height -= ( data_height % 2 );
@@ -810,48 +866,77 @@ texture_manager::create( std::string Filename, bool const Loadnow ) {
if( Filename.find( '|' ) != std::string::npos )
Filename.erase( Filename.find( '|' ) ); // po | może być nazwa kolejnej tekstury
std::pair<std::string, std::string> locator; // resource name, resource type
std::string traits;
auto const traitpos = Filename.find( ':' );
if( traitpos != std::string::npos ) {
// po dwukropku mogą być podane dodatkowe informacje niebędące nazwą tekstury
if( Filename.size() > traitpos + 1 )
traits = Filename.substr( traitpos + 1 );
Filename.erase( traitpos );
// discern textures generated by a script
// TBD: support file: for file resources?
auto const isgenerated { Filename.find( "make:" ) == 0 };
// process supplied resource name
if( isgenerated ) {
// generated resource
// scheme:(user@)path?query
// remove scheme indicator
Filename.erase( 0, Filename.find( ':' ) + 1 );
// TODO: extract traits specification from the query
// clean up slashes
erase_leading_slashes( Filename );
}
else {
// regular file resource
// (filepath/)(#)filename.extension(:traits)
erase_extension( Filename );
if( Filename[ 0 ] == '/' ) {
// filename can potentially begin with a slash, and we don't need it
Filename.erase( 0, 1 );
// extract trait specifications
auto const traitpos = Filename.rfind( ':' );
if( traitpos != std::string::npos ) {
// po dwukropku mogą być podane dodatkowe informacje niebędące nazwą tekstury
if( Filename.size() > traitpos + 1 ) {
traits = Filename.substr( traitpos + 1 );
}
Filename.erase( traitpos );
}
// potentially trim file type indicator since we check for multiple types
erase_extension( Filename );
// clean up slashes
erase_leading_slashes( Filename );
// temporary code for legacy assets -- textures with names beginning with # are to be sharpened
if( ( Filename[ 0 ] == '#' )
|| ( Filename.find( "/#" ) != std::string::npos ) ) {
traits += '#';
}
}
// try to locate requested texture in the databank
auto lookup { find_in_databank( Filename ) };
// TBD, TODO: include trait specification in the resource id in the databank?
auto const lookup { find_in_databank( Filename ) };
if( lookup != npos ) {
return lookup;
}
// if we don't have the texture in the databank, check if it's on disk
auto const disklookup { find_on_disk( Filename ) };
if( true == disklookup.first.empty() ) {
// there's nothing matching in the databank nor on the disk, report failure
ErrorLog( "Bad file: failed do locate texture file \"" + Filename + "\"", logtype::file );
return npos;
// if the lookup fails...
if( isgenerated ) {
// TODO: verify presence of the generator script
locator.first = Filename;
locator.second = "make:";
}
else {
// ...for file resources check if it's on disk
locator = find_on_disk( Filename );
if( true == locator.first.empty() ) {
// there's nothing matching in the databank nor on the disk, report failure
ErrorLog( "Bad file: failed do locate texture file \"" + Filename + "\"", logtype::file );
return npos;
}
}
auto texture = new opengl_texture();
texture->name = disklookup.first + disklookup.second;
if( Filename.find('#') != std::string::npos ) {
// temporary code for legacy assets -- textures with names beginning with # are to be sharpened
traits += '#';
}
texture->name = locator.first;
texture->type = locator.second;
texture->traits = traits;
auto const textureindex = (texture_handle)m_textures.size();
m_textures.emplace_back( texture, std::chrono::steady_clock::time_point() );
m_texturemappings.emplace( disklookup.first, textureindex );
m_texturemappings.emplace( locator.first, textureindex );
WriteLog( "Created texture object for \"" + disklookup.first + disklookup.second + "\"", logtype::texture );
WriteLog( "Created texture object for \"" + locator.first + "\"", logtype::texture );
if( true == Loadnow ) {
@@ -1009,7 +1094,7 @@ texture_manager::find_on_disk( std::string const &Texturename ) const {
return (
FileExists(
filenames,
{ ".dds", ".tga", ".bmp", ".ext" } ) );
{ ".dds", ".tga", ".png", ".bmp", ".ext" } ) );
}
//---------------------------------------------------------------------------