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package demos.hdr;
import java.io.*;
import java.util.*;
import javax.media.opengl.*;
import com.sun.opengl.utils.*;
import com.sun.opengl.cg.*;
import demos.util.*;
public class CgPipeline implements Pipeline {
private CGcontext context;
public void init() {
context = CgGL.cgCreateContext();
}
public void initFloatingPointTexture(GL gl, int textureObject, int w, int h) {
gl.glBindTexture(GL.GL_TEXTURE_RECTANGLE_NV, textureObject);
gl.glCopyTexImage2D(GL.GL_TEXTURE_RECTANGLE_NV, 0, GL.GL_FLOAT_RGBA16_NV, 0, 0, w, h, 0);
}
public void initTexture(GL gl, int textureObject, int w, int h) {
gl.glBindTexture(GL.GL_TEXTURE_RECTANGLE_NV, textureObject);
gl.glCopyTexImage2D(GL.GL_TEXTURE_RECTANGLE_NV, 0, GL.GL_RGBA, 0, 0, w, h, 0);
}
public void copyToTexture(GL gl, int textureObject, int w, int h) {
gl.glBindTexture(GL.GL_TEXTURE_RECTANGLE_NV, textureObject);
gl.glCopyTexSubImage2D(GL.GL_TEXTURE_RECTANGLE_NV, 0, 0, 0, 0, 0, w, h);
}
public void bindTexture(GL gl, int textureObject) {
gl.glBindTexture(GL.GL_TEXTURE_RECTANGLE_NV, textureObject);
}
private List programs = new ArrayList();
public int loadVertexProgram(GL gl, String filename) throws IOException {
return loadProgram(filename, CgGL.CG_PROFILE_ARBVP1);
}
public int loadFragmentProgram(GL gl, String filename) throws IOException {
return loadProgram(filename, CgGL.CG_PROFILE_ARBFP1);
}
private int loadProgram(String fileName, int profile) throws IOException {
CGprogram prog = CgGL.cgCreateProgramFromFile(context, CgGL.CG_SOURCE, fileName, profile, null, null);
if (prog == null) {
throw new RuntimeException("Error loading program");
}
CgGL.cgGLLoadProgram(prog);
int res = programs.size();
programs.add(prog);
return res;
}
public void enableVertexProgram(GL gl, int program) {
CgGL.cgGLBindProgram((CGprogram) programs.get(program));
CgGL.cgGLEnableProfile(CgGL.CG_PROFILE_ARBVP1);
}
public void enableFragmentProgram(GL gl, int program) {
CgGL.cgGLBindProgram((CGprogram) programs.get(program));
CgGL.cgGLEnableProfile(CgGL.CG_PROFILE_ARBFP1);
}
public void disableVertexProgram(GL gl) {
CgGL.cgGLDisableProfile(CgGL.CG_PROFILE_ARBVP1);
}
public void disableFragmentProgram(GL gl) {
CgGL.cgGLDisableProfile(CgGL.CG_PROFILE_ARBFP1);
}
private List parameters = new ArrayList();
public int getNamedParameter(int program, String name) {
CGprogram prog = (CGprogram) programs.get(program);
CGparameter param = CgGL.cgGetNamedParameter(prog, name);
int res = parameters.size();
parameters.add(param);
return res;
}
public void setVertexProgramParameter1f(GL gl, int param, float val) {
CgGL.cgGLSetParameter1f((CGparameter) parameters.get(param), val);
}
public void setVertexProgramParameter3f(GL gl, int param, float x, float y, float z) {
CgGL.cgGLSetParameter3f((CGparameter) parameters.get(param), x, y, z);
}
public void setVertexProgramParameter4f(GL gl, int param, float x, float y, float z, float w) {
CgGL.cgGLSetParameter4f((CGparameter) parameters.get(param), x, y, z, w);
}
public void setFragmentProgramParameter1f(GL gl, int param, float val) {
CgGL.cgGLSetParameter1f((CGparameter) parameters.get(param), val);
}
public void setFragmentProgramParameter3f(GL gl, int param, float x, float y, float z) {
CgGL.cgGLSetParameter3f((CGparameter) parameters.get(param), x, y, z);
}
public void setFragmentProgramParameter4f(GL gl, int param, float x, float y, float z, float w) {
CgGL.cgGLSetParameter4f((CGparameter) parameters.get(param), x, y, z, w);
}
public void trackModelViewProjectionMatrix(GL gl, int param) {
CgGL.cgGLSetStateMatrixParameter((CGparameter) parameters.get(param), CgGL.CG_GL_MODELVIEW_PROJECTION_MATRIX, CgGL.CG_GL_MATRIX_IDENTITY);
}
public void setMatrixParameterfc(GL gl, int param, float[] matrix) {
CgGL.cgGLSetMatrixParameterfc((CGparameter) parameters.get(param), matrix, 0);
}
}
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