unsigned int CBitmap::CreateTexture(bool mipmaps)
{
if(type == BitmapTypeDDS)
{
return CreateDDSTexture();
}
if(mem==NULL)
return 0;
unsigned int texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
if(mipmaps)
{
// create mipmapped texture
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8 ,xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
}
else
{
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
//glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8 ,xsize, ysize, 0,GL_RGBA, GL_UNSIGNED_BYTE, mem);
gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8 ,xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
}
return texture;
}
//CBool CTexture::LoadTargaTexture( CImage * texObj, CChar* name, CChar* sceneFileName )
//{
// //attache the sceneFileName path( without the dea file ) to the texture name
// CChar pathName[MAX_NAME_SIZE];
//
// if( sceneFileName ) //To deal with Collada files.
// {
// CChar * texName = GetAfterPath( name ); //don't know if it's required? Maybe the name in collada file has no path
// //strcpy( pathName , sceneFileName );
// //CChar *removeExtra = GetAfterPath( pathName );
// //removeExtra[0] = 0;
// //strcat( pathName, texName );
// CChar g_currentVSceneNameWithoutDot[MAX_NAME_SIZE];
// Cpy( g_currentVSceneNameWithoutDot, g_currentVSceneName );
// GetWithoutDot( g_currentVSceneNameWithoutDot );
//
// sprintf( pathName, "%s%s%s%s", "assets/vscenes/", g_currentVSceneNameWithoutDot, "/Textures/", texName );
// }
// else //To load independent targa files(not specified in a collada file )
// strcpy( pathName, name );
//
// ILuint imageId;
// ilGenImages(1, &imageId);
// ilBindImage(imageId);
//
// //PrintInfo( _T( "Reading Image : " ) );
// //PrintInfo( _T( "'" ) + CString( pathName ) + _T("'\n"), COLOR_RED_BLUE );
//
// // Read in the image file into DevIL.
// if (!ilLoadImage(pathName)) {
// // ERROR
// ilDeleteImages(1, &imageId);
// MessageBox( NULL, _T("CTexture::LoadTargaTexture > Couldn't load the targa file\n"), _T( "VandaEngine Error"), MB_OK );
// return false;
// }
// else {
// texObj->SetWidth( ilGetInteger(IL_IMAGE_WIDTH) );
// texObj->SetHeight( ilGetInteger(IL_IMAGE_HEIGHT) );
//
// CUChar* imageData;
// CInt imageSize;
//
// imageSize = ilGetInteger(IL_IMAGE_WIDTH) * ilGetInteger(IL_IMAGE_HEIGHT) * ilGetInteger(IL_IMAGE_CHANNELS);
// imageData = (CUChar*)malloc( imageSize );
//
// if( ilGetInteger(IL_IMAGE_CHANNELS) == 3 )
// texObj->SetFormat( TGA_TRUECOLOR_24 );
// else if ( ilGetInteger(IL_IMAGE_CHANNELS) == 4 )
// texObj->SetFormat( TGA_TRUECOLOR_32 );
//
// memcpy( imageData , ilGetData() , imageSize );
// texObj->SetImageData( imageData );
// ilDeleteImages(1, &imageId);
// }
// CreateTargaTexture( texObj );
//
// return CTrue;
//}
//
CBool CTexture::LoadDDSTexture( CImage * texObj, CChar* name, CChar* sceneFileName )
{
//attache the sceneFileName path( without the dea file ) to the texture name
CChar pathName[MAX_NAME_SIZE];
if( sceneFileName ) //To deal with Collada files.
{
CChar * texName = GetAfterPath( name );
//replace %20 with space using std::string
std::string s(texName);
size_t i = 0;
for (;;) {
i = s.find("%20", i);
if (i == string::npos) {
break;
}
s.replace(i, 3, " ");
}
strcpy(texName, s.c_str());
sprintf( pathName, "%s%s", g_pathProperties.m_meshDiffuseTexturePath, texName );
}
else //To load independent dds files(not specified in a collada file )
strcpy( pathName, name );
ifstream file(pathName, ios::binary);
if (! file)
{
CChar temp[MAX_NAME_SIZE];
sprintf( temp, "%s%s%s", "CTexture::LoadDDSTexture > Couldn't open the DDS file '", pathName, "'" );
MessageBoxA( NULL, temp, "VandaEngine Error", MB_OK );
return false;
}
CDDS *m_ddsImage = CNew( CDDS );
if (! m_ddsImage->LoadFile(file))
{
CChar temp[MAX_NAME_SIZE];
sprintf( temp, "%s%s%s", "CTexture::LoadDDSTexture > Couldn't load the DDS file '", pathName, "'" );
MessageBoxA( NULL, temp, "VandaEngine Error", MB_OK );
return false;
}
texObj->SetWidth( (CInt32)m_ddsImage->GetWidth() );
texObj->SetHeight( (CInt32)m_ddsImage->GetHeight() );
if( m_ddsImage->m_alphaChannel)
texObj->SetFormat(TGA_TRUECOLOR_32);
else
texObj->SetFormat(TGA_TRUECOLOR_24);
CreateDDSTexture( texObj, m_ddsImage );
return CTrue;
}
unsigned int CBitmap::CreateTexture(bool mipmaps)
{
if(type == BitmapTypeDDS)
{
return CreateDDSTexture();
}
if(mem==NULL)
return 0;
// jcnossen: ATI drivers appear to support OpenGL 2.0, but switch to software rendering when non-power-of-two textures are used.
if ((xsize != next_power_of_2(xsize) || ysize != next_power_of_2(ysize)))
//&& strcmp(reinterpret_cast<const char*>(glGetString(GL_VERSION)), "2.0") < 0 )
{
CBitmap bm = CreateRescaled(next_power_of_2(xsize), next_power_of_2(ysize));
return bm.CreateTexture(mipmaps);
}
unsigned int texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if(mipmaps)
{
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
// create mipmapped texture
if (strcmp(reinterpret_cast<const char*>(glGetString(GL_VERSION)), "1.4") >= 0) {
// This required GL-1.4
// instead of using glu, we rely on glTexImage2D to create the Mipmaps.
glTexParameteri(GL_TEXTURE_2D,GL_GENERATE_MIPMAP,true);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8 ,xsize, ysize, 0,GL_RGBA, GL_UNSIGNED_BYTE, mem);
} else
gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8 ,xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
}
else
{
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
//glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8 ,xsize, ysize, 0,GL_RGBA, GL_UNSIGNED_BYTE, mem);
//gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8 ,xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8 ,xsize, ysize, 0,GL_RGBA, GL_UNSIGNED_BYTE, mem);
}
return texture;
}
const unsigned int CBitmap::CreateTexture(bool mipmaps) const
{
ScopedTimer timer("Textures::CBitmap::CreateTexture");
if (type == BitmapTypeDDS) {
return CreateDDSTexture();
}
if (mem == NULL) {
return 0;
}
// jcnossen: Some drivers return "2.0" as a version string,
// but switch to software rendering for non-power-of-two textures.
// GL_ARB_texture_non_power_of_two indicates that the hardware will actually support it.
if (!globalRendering->supportNPOTs && (xsize != next_power_of_2(xsize) || ysize != next_power_of_2(ysize)))
{
CBitmap bm = CreateRescaled(next_power_of_2(xsize), next_power_of_2(ysize));
return bm.CreateTexture(mipmaps);
}
unsigned int texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//FIXME add glPixelStorei(GL_UNPACK_ALIGNMENT, 1); for NPOTs
if (mipmaps) {
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
glBuildMipmaps(GL_TEXTURE_2D, GL_RGBA8, xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
} else {
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
//glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8 ,xsize, ysize, 0,GL_RGBA, GL_UNSIGNED_BYTE, mem);
//gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8 ,xsize, ysize, GL_RGBA, GL_UNSIGNED_BYTE, mem);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, xsize, ysize, 0, GL_RGBA, GL_UNSIGNED_BYTE, mem);
}
return texture;
}
//CBool CTexture::LoadTargaTexture( CImage * texObj, CChar* name, CChar* sceneFileName )
//{
// //attache the sceneFileName path( without the dea file ) to the texture name
// CChar pathName[MAX_NAME_SIZE];
//
// if( sceneFileName ) //To deal with COLLADA files.
// {
// CChar * texName = GetAfterPath( name ); //don't know if it's required? Maybe the name in collada file has no path
// //strcpy( pathName , sceneFileName );
// //CChar *removeExtra = GetAfterPath( pathName );
// //removeExtra[0] = 0;
// //strcat( pathName, texName );
// //save functions. it should be copies in WIN32 Project as well
// CChar g_currentVSceneNameWithoutDot[MAX_NAME_SIZE];
// Cpy( g_currentVSceneNameWithoutDot, g_currentVSceneName );
// GetWithoutDot( g_currentVSceneNameWithoutDot );
//
// sprintf( pathName, "%s%s%s%s", "assets/vscenes/", g_currentVSceneNameWithoutDot, "/Textures/", texName );
//
// }
// else //To load independent targa files(not specified in a collada file )
// strcpy( pathName, name );
//
// ILuint imageId;
// ilGenImages(1, &imageId);
// ilBindImage(imageId);
//
// PrintInfo( _T( "\nReading Image : " ) );
// PrintInfo( _T( "'" ) + CString( pathName ) + _T("'"), COLOR_RED_GREEN );
//
// // Read in the image file into DevIL.
// if (!ilLoadImage(pathName)) {
// // ERROR
// ilDeleteImages(1, &imageId);
// CChar temp[MAX_NAME_SIZE];
// sprintf( temp, "\nError! CTexture::LoadTargaTexture > Couldn't load the targa file: '%s'", pathName );
// PrintInfo( temp, COLOR_RED );
// numErrors += 1;
//
// return false;
// }
// else {
// texObj->SetWidth( ilGetInteger(IL_IMAGE_WIDTH) );
// texObj->SetHeight( ilGetInteger(IL_IMAGE_HEIGHT) );
//
// CUChar* imageData;
// CInt imageSize;
//
// imageSize = ilGetInteger(IL_IMAGE_WIDTH) * ilGetInteger(IL_IMAGE_HEIGHT) * ilGetInteger(IL_IMAGE_CHANNELS);
// imageData = (CUChar*)malloc( imageSize );
//
// if( ilGetInteger(IL_IMAGE_CHANNELS) == 3 )
// texObj->SetFormat( TGA_TRUECOLOR_24 );
// else if ( ilGetInteger(IL_IMAGE_CHANNELS) == 4 )
// texObj->SetFormat( TGA_TRUECOLOR_32 );
//
// memcpy( imageData , ilGetData() , imageSize );
// texObj->SetImageData( imageData );
// ilDeleteImages(1, &imageId);
// }
// PrintInfo( "\nCreating Texture '" );
// PrintInfo(pathName, COLOR_RED_GREEN);
// PrintInfo( "' ");
//
// CreateTargaTexture( texObj );
//
// return CTrue;
//}
//
CBool CTexture::LoadDDSTexture( CImage * texObj, CChar* name, CChar* sceneFileName, CBool reportError )
{
//attache the sceneFileName path( without the dea file ) to the texture name
CChar pathName[MAX_NAME_SIZE];
if( sceneFileName ) //To deal with COLLADA files.
{
CChar * texName = NULL;
if( g_useOriginalPathOfDAETextures || g_updateTextureViaEditor)
{
texName = CNewData(CChar,MAX_NAME_SIZE);
Cpy( texName, name );
}
else
{
texName = GetAfterPath( name );
}
GetWithoutDot( texName);
Append( texName, ".dds" );
//replace %20 with space using std::string
std::string s(texName);
size_t i = 0;
for (;;) {
i = s.find("%20", i);
if (i == string::npos) {
break;
}
s.replace(i, 3, " ");
}
if( g_useOriginalPathOfDAETextures || g_updateTextureViaEditor)
{
s.begin();
size_t i = 0;
for (;;) {
i = s.find("file:/", i);
if (i == string::npos) {
break;
}
s.replace(i, 6, "");
}
}
strcpy(texName, s.c_str());
if( g_useOriginalPathOfDAETextures || g_updateTextureViaEditor)
{
strcpy( pathName, texName );
CDelete(texName);
}
else
{
CChar g_currentVSceneNameWithoutDot[MAX_NAME_SIZE];
Cpy( g_currentVSceneNameWithoutDot, g_currentVSceneName );
GetWithoutDot( g_currentVSceneNameWithoutDot );
sprintf( pathName, "%s%s%s%s", g_VScenePath, g_currentVSceneNameWithoutDot, "/Textures/", texName );
}
}
else //To load independent dds files(not specified in a collada file )
strcpy( pathName, name );
ifstream file(pathName, ios::binary);
if (! file )
{
if( reportError )
{
CChar temp[MAX_NAME_SIZE];
sprintf( temp, "\nError! CTexture::LoadDDSTexture > Couldn't load the dds file: '%s'", pathName );
PrintInfo( temp, COLOR_RED );
numErrors += 1;
}
return false;
}
CDDS *m_ddsImage = CNew( CDDS );
if (! m_ddsImage->LoadFile(file) )
{
if( reportError )
{
CChar temp[MAX_NAME_SIZE];
sprintf( temp, "\nError! CTexture::LoadDDSTexture > Couldn't load the dds file: '%s'", pathName );
PrintInfo( temp, COLOR_RED );
numErrors += 1;
}
return false;
}
texObj->SetWidth( (CInt32)m_ddsImage->GetWidth() );
texObj->SetHeight( (CInt32)m_ddsImage->GetHeight() );
if( m_ddsImage->m_alphaChannel)
texObj->SetFormat(TGA_TRUECOLOR_32);
else
texObj->SetFormat(TGA_TRUECOLOR_24);
PrintInfo( "\nCreating Texture ' " );
PrintInfo(pathName, COLOR_RED_GREEN);
PrintInfo( " '");
CreateDDSTexture( texObj, m_ddsImage );
return CTrue;
}
