1 files changed, 113 insertions, 0 deletions
diff --git a/src/demos/hdr/CgPipeline.java b/src/demos/hdr/CgPipeline.java
new file mode 100755
index 0000000..56906f1
--- /dev/null
+++ b/src/demos/hdr/CgPipeline.java
@@ -0,0 +1,113 @@
+package demos.hdr;
+
+import java.io.*;
+import java.util.*;
+
+import javax.media.opengl.*;
+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(GL2 gl, int textureObject, int w, int h) {
+    gl.glBindTexture(GL2.GL_TEXTURE_RECTANGLE_ARB, textureObject);
+    gl.glCopyTexImage2D(GL2.GL_TEXTURE_RECTANGLE_ARB, 0, GL2.GL_FLOAT_RGBA16_NV, 0, 0, w, h, 0);
+  }
+
+  public void initTexture(GL2 gl, int textureObject, int w, int h) {
+    gl.glBindTexture(GL2.GL_TEXTURE_RECTANGLE_ARB, textureObject);
+    gl.glCopyTexImage2D(GL2.GL_TEXTURE_RECTANGLE_ARB, 0, GL.GL_RGBA, 0, 0, w, h, 0);
+  }
+
+  public void copyToTexture(GL2 gl, int textureObject, int w, int h) {
+    gl.glBindTexture(GL2.GL_TEXTURE_RECTANGLE_ARB, textureObject);
+    gl.glCopyTexSubImage2D(GL2.GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, 0, 0, w, h);
+  }
+
+  public void bindTexture(GL2 gl, int textureObject) {
+    gl.glBindTexture(GL2.GL_TEXTURE_RECTANGLE_ARB, textureObject);
+  }
+
+  private List programs = new ArrayList();
+  public int loadVertexProgram(GL2 gl, String filename) throws IOException {
+    return loadProgram(filename, CgGL.CG_PROFILE_ARBVP1);
+  }
+
+  public int loadFragmentProgram(GL2 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(GL2 gl, int program) {
+    CgGL.cgGLBindProgram((CGprogram) programs.get(program));
+    CgGL.cgGLEnableProfile(CgGL.CG_PROFILE_ARBVP1);
+  }
+
+  public void enableFragmentProgram(GL2 gl, int program) {
+    CgGL.cgGLBindProgram((CGprogram) programs.get(program));
+    CgGL.cgGLEnableProfile(CgGL.CG_PROFILE_ARBFP1);
+  }
+
+  public void disableVertexProgram(GL2 gl) {
+    CgGL.cgGLDisableProfile(CgGL.CG_PROFILE_ARBVP1);
+  }
+
+  public void disableFragmentProgram(GL2 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(GL2 gl, int param, float val) {
+    CgGL.cgGLSetParameter1f((CGparameter) parameters.get(param), val);
+  }
+
+  public void setVertexProgramParameter3f(GL2 gl, int param, float x, float y, float z) {
+    CgGL.cgGLSetParameter3f((CGparameter) parameters.get(param), x, y, z);
+  }
+
+  public void setVertexProgramParameter4f(GL2 gl, int param, float x, float y, float z, float w) {
+    CgGL.cgGLSetParameter4f((CGparameter) parameters.get(param), x, y, z, w);
+  }
+
+  public void setFragmentProgramParameter1f(GL2 gl, int param, float val) {
+    CgGL.cgGLSetParameter1f((CGparameter) parameters.get(param), val);
+  }
+
+  public void setFragmentProgramParameter3f(GL2 gl, int param, float x, float y, float z) {
+    CgGL.cgGLSetParameter3f((CGparameter) parameters.get(param), x, y, z);
+  }
+
+  public void setFragmentProgramParameter4f(GL2 gl, int param, float x, float y, float z, float w) {
+    CgGL.cgGLSetParameter4f((CGparameter) parameters.get(param), x, y, z, w);
+  }
+
+  public void trackModelViewProjectionMatrix(GL2 gl, int param) {
+    CgGL.cgGLSetStateMatrixParameter((CGparameter) parameters.get(param), CgGL.CG_GL_MODELVIEW_PROJECTION_MATRIX, CgGL.CG_GL_MATRIX_IDENTITY);
+  }
+  
+  public void setMatrixParameterfc(GL2 gl, int param, float[] matrix) {
+    CgGL.cgGLSetMatrixParameterfc((CGparameter) parameters.get(param), matrix, 0);
+  }
+}