diff options
author | Kenneth Russel <[email protected]> | 2009-06-15 23:05:16 +0000 |
---|---|---|
committer | Kenneth Russel <[email protected]> | 2009-06-15 23:05:16 +0000 |
commit | 935d2596c13371bb745d921dbcb9f05b0c11a010 (patch) | |
tree | 7fcc310618ae5a90edc734dc821e75afc0f080aa /src/demos/hdr/HDRTexture.java | |
parent | e2332d2f2908e68f1e77454c73f329f8ff2b400d (diff) |
Deleted obsolete source code in preparation for copying JOGL_2_SANDBOX
on to trunk
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@351 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4
Diffstat (limited to 'src/demos/hdr/HDRTexture.java')
-rwxr-xr-x | src/demos/hdr/HDRTexture.java | 495 |
1 files changed, 0 insertions, 495 deletions
diff --git a/src/demos/hdr/HDRTexture.java b/src/demos/hdr/HDRTexture.java deleted file mode 100755 index bf6bb71..0000000 --- a/src/demos/hdr/HDRTexture.java +++ /dev/null @@ -1,495 +0,0 @@ -package demos.hdr; - -import java.io.*; -import java.nio.*; - -import javax.media.opengl.*; - -public class HDRTexture { - private RGBE.Header header; - private byte[] m_data; - private float[] m_floatdata; - private int m_width, m_height; - private float m_max_r, m_max_g, m_max_b; - private float m_min_r, m_min_g, m_min_b; - private float m_max; - private int m_target; - - public HDRTexture(String filename) throws IOException { - this(new FileInputStream(filename)); - } - - public HDRTexture(InputStream in) throws IOException { - DataInputStream datain = new DataInputStream(new BufferedInputStream(in)); - header = RGBE.readHeader(datain); - m_width = header.getWidth(); - m_height = header.getHeight(); - m_data = new byte[m_width * m_height * 4]; - RGBE.readPixelsRawRLE(datain, m_data, 0, m_width, m_height); - System.err.println("Loaded HDR image " + m_width + " x " + m_height); - } - - public byte[] getData() { return m_data; } - public int getPixelIndex(int x, int y) { - return ((m_width * (m_height - 1 - y)) + x) * 4; - } - public float[] getFloatData() { return m_floatdata; } - public int getPixelFloatIndex(int x, int y) { - return ((m_width * (m_height - 1 - y)) + x) * 3; - } - - public void analyze() { - m_max_r = m_max_g = m_max_b = 0.0f; - m_min_r = m_min_g = m_min_b = 1e10f; - int mine = 255; - int maxe = 0; - - int ptr = 0; - float[] rgb = new float[3]; - for(int i=0; i<m_width*m_height; i++) { - int e = m_data[ptr+3] & 0xFF; - if (e < mine) mine = e; - if (e > maxe) maxe = e; - - RGBE.rgbe2float(rgb, m_data, ptr); - float r = rgb[0]; - float g = rgb[1]; - float b = rgb[2]; - if (r > m_max_r) m_max_r = r; - if (g > m_max_g) m_max_g = g; - if (b > m_max_b) m_max_b = b; - if (r < m_min_r) m_min_r = r; - if (g < m_min_g) m_min_g = g; - if (b < m_min_b) m_min_b = b; - ptr += 4; - } - System.err.println("max intensity: " + m_max_r + " " + m_max_g + " " + m_max_b); - System.err.println("min intensity: " + m_min_r + " " + m_min_g + " " + m_min_b); - System.err.println("max e: " + maxe + " = " + RGBE.ldexp(1.0, maxe-128)); - System.err.println("min e: " + mine + " = " + RGBE.ldexp(1.0, mine-128)); - - m_max = m_max_r; - if (m_max_g > m_max) m_max = m_max_g; - if (m_max_b > m_max) m_max = m_max_b; - System.err.println("max: " + m_max); - } - - /** Converts from RGBE to floating-point RGB data. */ - public void convert() { - m_floatdata = new float [m_width*m_height*3]; - - int src = 0; - int dest = 0; - float[] rgb = new float[3]; - for(int i=0; i<m_width*m_height; i++) { - RGBE.rgbe2float(rgb, m_data, src); - - m_floatdata[dest++] = remap(rgb[0], m_max); - m_floatdata[dest++] = remap(rgb[1], m_max); - m_floatdata[dest++] = remap(rgb[2], m_max); - - src += 4; - } - } - - public int create2DTextureRGBE(GL gl, int targetTextureType) { - m_target = targetTextureType; - int[] tmp = new int[1]; - gl.glGenTextures(1, tmp, 0); - int texid = tmp[1]; - - gl.glBindTexture(m_target, texid); - - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); - - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glTexParameteri(m_target, GL.GL_GENERATE_MIPMAP_SGIS, GL.GL_TRUE); - gl.glTexImage2D(m_target, 0, GL.GL_RGBA, m_width, m_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(m_data)); - - return texid; - } - - public int create2DTextureHILO(GL gl, int targetTextureType, boolean rg) { - m_target = targetTextureType; - int[] tmp = new int[1]; - gl.glGenTextures(1, tmp, 0); - int texid = tmp[0]; - - gl.glBindTexture(m_target, texid); - - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); - - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glTexParameteri(m_target, GL.GL_GENERATE_MIPMAP_SGIS, GL.GL_TRUE); - - float[] img = new float [m_width * m_height * 2]; - int src = 0; - int dest = 0; - for (int j=0; j<m_height; j++) { - for (int i=0; i<m_width; i++) { - if (rg) { - img[dest++] = m_floatdata[src + 0]; - img[dest++] = m_floatdata[src + 1]; - } else { - img[dest++] = m_floatdata[src + 2]; - img[dest++] = 0; - } - src+=3; - } - } - - gl.glTexImage2D(m_target, 0, GL.GL_HILO16_NV, m_width, m_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(img)); - - return texid; - } - - // create a cubemap texture from a 2D image in cross format (thanks to Jonathon McGee) - public int createCubemapRGBE(GL gl) { - // cross is 3 faces wide, 4 faces high - int face_width = m_width / 3; - int face_height = m_height / 4; - byte[] face = new byte[face_width * face_height * 4]; - - m_target = GL.GL_TEXTURE_CUBE_MAP; - int[] tmp = new int[1]; - gl.glGenTextures(1, tmp, 0); - int texid = tmp[0]; - gl.glBindTexture(m_target, texid); - - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glTexParameteri(m_target, GL.GL_GENERATE_MIPMAP_SGIS, GL.GL_TRUE); - - // gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); - // gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); - - // extract 6 faces - - // positive Y - int ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(2 * face_width - (i + 1), 3 * face_height + j); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - // positive X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(i, m_height - (face_height + j + 1)); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - // negative Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(face_width + i, m_height - (face_height + j + 1)); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - // negative X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(2 * face_width + i, m_height - (face_height + j + 1)); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - // negative Y - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(2 * face_width - (i + 1), face_height + j); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - // positive Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelIndex(2 * face_width - (i + 1), j); - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - face[ptr++] = m_data[src++]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL.GL_RGBA, face_width, face_height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(face)); - - return texid; - } - - public int createCubemapHILO(GL gl, boolean rg) { - // cross is 3 faces wide, 4 faces high - int face_width = m_width / 3; - int face_height = m_height / 4; - float[] face = new float [face_width * face_height * 2]; - - m_target = GL.GL_TEXTURE_CUBE_MAP; - int[] tmp = new int[1]; - gl.glGenTextures(1, tmp, 0); - int texid = tmp[0]; - gl.glBindTexture(m_target, texid); - - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glTexParameteri(m_target, GL.GL_GENERATE_MIPMAP_SGIS, GL.GL_TRUE); - - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); - - // extract 6 faces - - // positive Y - int ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), 3 * face_height + j); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // positive X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(i, m_height - (face_height + j + 1)); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(face_width + i, m_height - (face_height + j + 1)); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width + i, m_height - (face_height + j + 1)); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative Y - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), face_height + j); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // positive Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), j); - if (rg) { - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - } else { - face[ptr++] = m_floatdata[src + 2]; - face[ptr++] = 0; - } - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL.GL_HILO16_NV, face_width, face_height, 0, GL.GL_HILO_NV, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - return texid; - } - - public int createCubemap(GL gl, int format) { - // cross is 3 faces wide, 4 faces high - int face_width = m_width / 3; - int face_height = m_height / 4; - float[] face = new float [face_width * face_height * 3]; - - m_target = GL.GL_TEXTURE_CUBE_MAP; - int[] tmp = new int[1]; - gl.glGenTextures(1, tmp, 0); - int texid = tmp[0]; - gl.glBindTexture(m_target, texid); - - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glTexParameteri(m_target, GL.GL_GENERATE_MIPMAP_SGIS, GL.GL_TRUE); - - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); - gl.glTexParameteri(m_target, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); - - // extract 6 faces - - // positive Y - int ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), 3 * face_height + j); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // positive X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(i, m_height - (face_height + j + 1)); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(face_width + i, m_height - (face_height + j + 1)); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative X - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width + i, m_height - (face_height + j + 1)); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // negative Y - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), face_height + j); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - // positive Z - ptr = 0; - for (int j=0; j<face_height; j++) { - for (int i=0; i<face_width; i++) { - int src = getPixelFloatIndex(2 * face_width - (i + 1), j); - face[ptr++] = m_floatdata[src + 0]; - face[ptr++] = m_floatdata[src + 1]; - face[ptr++] = m_floatdata[src + 2]; - } - } - gl.glTexImage2D(GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, format, face_width, face_height, 0, GL.GL_RGB, GL.GL_FLOAT, FloatBuffer.wrap(face)); - - return texid; - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - - private static float remap(float x, float max) { - if (x > max) x = max; - return (float) Math.sqrt(x / max); - } - - public static void main(String[] args) { - for (int i = 0; i < args.length; i++) { - try { - HDRTexture tex = new HDRTexture(args[i]); - tex.analyze(); - } catch (IOException e) { - e.printStackTrace(); - } - } - } -} |