From 9d209d3b6ae12604e666d7b655bd1f19e70ee48b Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Fri, 27 May 2005 19:45:51 +0000
Subject: Added Java/JOGL port of NVidia HDR demo.

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@80 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4
---
 src/demos/hdr/CgPipeline.java | 113 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 src/demos/hdr/CgPipeline.java

(limited to 'src/demos/hdr/CgPipeline.java')

diff --git a/src/demos/hdr/CgPipeline.java b/src/demos/hdr/CgPipeline.java
new file mode 100755
index 0000000..2f3a9f5
--- /dev/null
+++ b/src/demos/hdr/CgPipeline.java
@@ -0,0 +1,113 @@
+package demos.hdr;
+
+import java.io.*;
+import java.util.*;
+
+import net.java.games.jogl.*;
+import net.java.games.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);
+  }
+}
-- 
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