void JsnWriter::EndArray( JsnHandler* byoc )
{
WriteFragment( m_Style->m_NewlineString );
WriteIndent();
WriteFragment( "]" );
delete byoc;
}
void JsnWriter::WriteProperty( const JsnFragment& name, const JsnFragment& value )
{
if( m_IndentLevel )
{
if( m_ValueCount )
{
WriteFragment( "," );
}
WriteFragment( m_Style->m_NewlineString );
WriteIndent();
}
if( name.m_Length )
{
WriteFragmentString( name );
WriteFragment( ":" );
WriteFragment( m_Style->m_SpaceAfterColonString );
}
if( value.m_Type == kJsn_String )
{
WriteFragmentString( value );
}
else
{
WriteFragment( value );
}
m_ValueCount += 1;
}
void JsnWriter::EndObject( JsnHandler* byoc )
{
WriteFragment( m_Style->m_NewlineString );
WriteIndent();
WriteFragment( "}" );
if( !m_IndentLevel )
{
WriteFragment( m_Style->m_NewlineString );
}
delete byoc;
}
std::string GMakeMainFragmentShader( void )
{
std::vector< std::string > sourceLines =
{
DeclPrecision(),
DeclGammaConstant(),
DeclTransferVar( "frag_Color", "vec4", "in" ),
DeclTransferVar( "frag_Tex", "vec2", "in" ),
DeclTransferVar( "frag_Lightmap", "vec2", "in" ),
"uniform sampler2D mainImageSampler;",
"uniform vec2 mainImageImageScaleRatio;",
"uniform vec4 mainImageImageTransform;",
"uniform sampler2D lightmapSampler;",
"uniform vec2 lightmapImageScaleRatio;",
"uniform vec4 lightmapImageTransform;",
#ifdef G_USE_GL_CORE
DeclTransferVar( "fragment", "vec4", "out" ),
#endif
"void main(void) {",
"\tvec2 texCoords;",
"\tvec4 image, lightmap, color;",
SampleFromTexture( "texCoords", "image", "frag_Tex",
"mainImageSampler", "mainImageImageScaleRatio", "mainImageImageTransform" ),
SampleFromTexture( "texCoords", "lightmap", "frag_Lightmap",
"lightmapSampler", "lightmapImageScaleRatio", "lightmapImageTransform" ),
"\tcolor = frag_Color * image * lightmap;",
GammaCorrect( "color" ),
WriteFragment( "color" )
};
std::string source( JoinLines( sourceLines ) );
return source;
}
void JsnWriter::WriteIndent()
{
for( int i = 0; i < m_IndentLevel; ++i )
{
WriteFragment( m_Style->m_IndentString );
}
}
static INLINE void WriteTexture(
std::vector< std::string >& fragmentSrc,
const shaderStage_t& stage,
const char* discardPredicate )
{
std::string sampleTextureExpr;
if ( stage.mapCmd == MAP_CMD_CLAMPMAP )
{
fragmentSrc.push_back( "\tst = clamp( applyTransform( st )," \
"imageTransform.xy, applyTransform( vec2( 0.99 ) ) );" );
}
else
{
fragmentSrc.push_back(
"\tst = applyTransform( mod( st, vec2( 0.99 ) ) );" );
}
sampleTextureExpr = SampleTexture2D( "sampler0", "st" );
std::stringstream colorAssign;
colorAssign << "\tvec4 color = ";
// Some shader entries will incorporate specific alpha values
if ( stage.alphaGen != 0.0f )
{
fragmentSrc.push_back(
"\tconst float alphaGen = "
+ std::to_string( stage.alphaGen )
+ std::to_string( ';' ) );
colorAssign << sampleTextureExpr << ".rgb, alphaGen )";
if ( UsesColor( stage ) )
{
colorAssign << " * vec4( frag_Color.rgb, alphaGen )";
}
}
else
{
colorAssign << sampleTextureExpr;
if ( UsesColor( stage ) )
{
colorAssign << " * frag_Color";
}
}
colorAssign << ";";
fragmentSrc.push_back( colorAssign.str() );
// Is used occasionally, for example in situations like a bad alpha value.
if ( discardPredicate )
AddDiscardIf( fragmentSrc, std::string( discardPredicate ) );
// Gamma correction
fragmentSrc.insert( fragmentSrc.end(), GammaCorrect( "color" ) );
fragmentSrc.push_back( "\t" + WriteFragment( "color" ) );
}
