/*
* This file is part of the Haven & Hearth game client.
* Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
* Björn Johannessen <johannessen.bjorn@gmail.com>
*
* Redistribution and/or modification of this file is subject to the
* terms of the GNU Lesser General Public License, version 3, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Other parts of this source tree adhere to other copying
* rights. Please see the file `COPYING' in the root directory of the
* source tree for details.
*
* A copy the GNU Lesser General Public License is distributed along
* with the source tree of which this file is a part in the file
* `doc/LPGL-3'. If it is missing for any reason, please see the Free
* Software Foundation's website at <http://www.fsf.org/>, or write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
package haven.glsl;
public class VertexContext extends ShaderContext {
public VertexContext(ProgramContext prog) {
super(prog);
}
public final Function.Def main = new Function.Def(Type.VOID, new Symbol.Fix("main"));
public final ValBlock mainvals = new ValBlock();
private final OrderList<CodeMacro> code = new OrderList<CodeMacro>();
{
code.add(new CodeMacro() {
public void expand(Block blk) {
mainvals.cons(blk);
}
}, 0);
}
public static final Variable gl_Vertex = new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_Vertex"));
public static final Variable gl_Normal = new Variable.Implicit(Type.VEC3, new Symbol.Fix("gl_Normal"));
public static final Variable gl_Color = new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_Color"));
public static final Variable gl_ModelViewMatrix = new Variable.Implicit(Type.MAT4, new Symbol.Fix("gl_ModelViewMatrix"));
public static final Variable gl_NormalMatrix = new Variable.Implicit(Type.MAT4, new Symbol.Fix("gl_NormalMatrix"));
public static final Variable gl_ProjectionMatrix = new Variable.Implicit(Type.MAT4, new Symbol.Fix("gl_ProjectionMatrix"));
public static final Variable gl_ModelViewProjectionMatrix = new Variable.Implicit(Type.MAT4, new Symbol.Fix("gl_ModelViewProjectionMatrix"));
public static final Variable gl_Position = new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_Position"));
public static final Variable[] gl_MultiTexCoord = {
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord0")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord1")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord2")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord3")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord4")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord5")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord6")),
new Variable.Implicit(Type.VEC4, new Symbol.Fix("gl_MultiTexCoord7")),
};
public static final Uniform wxf = new Uniform.AutoApply(Type.MAT4, "wxf", haven.PView.loc) {
public void apply(haven.GOut g, int loc) {
g.gl.glUniformMatrix4fv(loc, 1, false, g.st.wxf.m, 0);
}
};
public static final Uniform cam = new Uniform.AutoApply(Type.MAT4, "cam", haven.PView.cam) {
public void apply(haven.GOut g, int loc) {
g.gl.glUniformMatrix4fv(loc, 1, false, g.st.cam.m, 0);
}
};
public final ValBlock.Value objv = mainvals.new Value(Type.VEC4, new Symbol.Gen("objv")) {
public Expression root() {
return(gl_Vertex.ref());
}
};
public final ValBlock.Value mapv = mainvals.new Value(Type.VEC4, new Symbol.Gen("mapv")) {
{softdep(objv);}
public Expression root() {
return(new Expression() {
public Expression process(Context ctx) {
if(objv.used) {
return(new Mul(wxf.ref(), objv.ref()).process(ctx));
} else {
return(new Mul(wxf.ref(), gl_Vertex.ref()).process(ctx));
}
}
});
}
};
public final ValBlock.Value eyev = mainvals.new Value(Type.VEC4, new Symbol.Gen("eyev")) {
{softdep(objv); softdep(mapv);}
public Expression root() {
return(new Expression() {
public Expression process(Context ctx) {
if(mapv.used) {
return(new Mul(cam.ref(), mapv.ref()).process(ctx));
} else if(objv.used) {
return(new Mul(gl_ModelViewMatrix.ref(), objv.ref()).process(ctx));
} else {
return(new Mul(gl_ModelViewMatrix.ref(), gl_Vertex.ref()).process(ctx));
}
}
});
}
};
public final ValBlock.Value eyen = mainvals.new Value(Type.VEC3, new Symbol.Gen("eyen")) {
public Expression root() {
return(new Mul(gl_NormalMatrix.ref(), gl_Normal.ref()));
}
};
public final ValBlock.Value posv = mainvals.new Value(Type.VEC4, new Symbol.Gen("posv")) {
{
softdep(objv); softdep(mapv); softdep(eyev);
force();
}
public Expression root() {
return(new Expression() {
public Expression process(Context ctx) {
if(eyev.used) {
return(new Mul(gl_ProjectionMatrix.ref(), eyev.ref()).process(ctx));
} else if(mapv.used) {
return(new Mul(gl_ProjectionMatrix.ref(), cam.ref(), mapv.ref()).process(ctx));
} else if(objv.used) {
return(new Mul(gl_ModelViewProjectionMatrix.ref(), objv.ref()).process(ctx));
} else {
return(new Mul(gl_ModelViewProjectionMatrix.ref(), gl_Vertex.ref()).process(ctx));
}
}
});
}
protected void cons2(Block blk) {
var = gl_Position;
blk.add(new LBinOp.Assign(var.ref(), init));
}
};
public void mainmod(CodeMacro macro, int order) {
code.add(macro, order);
}
public void construct(java.io.Writer out) {
for(CodeMacro macro : code)
macro.expand(main.code);
main.define(this);
output(new Output(out, this));
}
}