private void linkData(final GL2ES2 gl, final ShaderProgram sp) {
if (null == iVBO) return;
if (0 > vboPos.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + vboPos);
}
if (0 > vboParams.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + vboParams);
}
if (0 > vboTexCoordsR.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + vboTexCoordsR);
}
if (StereoUtil.usesChromaticDistortion(distortionBits)) {
if (0 > vboTexCoordsG.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + vboTexCoordsG);
}
if (0 > vboTexCoordsB.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + vboTexCoordsB);
}
}
if (0 > eyeToSourceUVScale.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + eyeToSourceUVScale);
}
if (0 > eyeToSourceUVOffset.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + eyeToSourceUVOffset);
}
if (StereoUtil.usesTimewarpDistortion(distortionBits)) {
if (0 > eyeRotationStart.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + eyeRotationStart);
}
if (0 > eyeRotationEnd.setLocation(gl, sp.program())) {
throw new GLException("Couldn't locate " + eyeRotationEnd);
}
}
iVBO.seal(gl, true);
iVBO.enableBuffer(gl, false);
indices.seal(gl, true);
indices.enableBuffer(gl, false);
}
/* pp */ GenericEye(
final GenericStereoDevice device,
final int distortionBits,
final float[] eyePositionOffset,
final EyeParameter eyeParam,
final DimensionImmutable textureSize,
final RectangleImmutable eyeViewport) {
this.eyeName = eyeParam.number;
this.distortionBits = distortionBits;
this.viewport = eyeViewport;
final boolean usePP = null != device.config.distortionMeshProducer && 0 != distortionBits;
final boolean usesTimewarp = usePP && StereoUtil.usesTimewarpDistortion(distortionBits);
final FloatBuffer fstash = Buffers.newDirectFloatBuffer(2 + 2 + (usesTimewarp ? 16 + 16 : 0));
if (usePP) {
eyeToSourceUVScale =
new GLUniformData("svr_EyeToSourceUVScale", 2, Buffers.slice2Float(fstash, 0, 2));
eyeToSourceUVOffset =
new GLUniformData("svr_EyeToSourceUVOffset", 2, Buffers.slice2Float(fstash, 2, 2));
} else {
eyeToSourceUVScale = null;
eyeToSourceUVOffset = null;
}
if (usesTimewarp) {
eyeRotationStart =
new GLUniformData("svr_EyeRotationStart", 4, 4, Buffers.slice2Float(fstash, 4, 16));
eyeRotationEnd =
new GLUniformData("svr_EyeRotationEnd", 4, 4, Buffers.slice2Float(fstash, 20, 16));
} else {
eyeRotationStart = null;
eyeRotationEnd = null;
}
this.eyeParameter = eyeParam;
// Setup: eyeToSourceUVScale, eyeToSourceUVOffset
if (usePP) {
final ScaleAndOffset2D textureScaleAndOffset =
new ScaleAndOffset2D(eyeParam.fovhv, textureSize, eyeViewport);
if (StereoDevice.DEBUG) {
System.err.println("XXX." + eyeName + ": eyeParam " + eyeParam);
System.err.println("XXX." + eyeName + ": uvScaleOffset " + textureScaleAndOffset);
System.err.println("XXX." + eyeName + ": textureSize " + textureSize);
System.err.println("XXX." + eyeName + ": viewport " + eyeViewport);
}
final FloatBuffer eyeToSourceUVScaleFB = eyeToSourceUVScale.floatBufferValue();
eyeToSourceUVScaleFB.put(0, textureScaleAndOffset.scale[0]);
eyeToSourceUVScaleFB.put(1, textureScaleAndOffset.scale[1]);
final FloatBuffer eyeToSourceUVOffsetFB = eyeToSourceUVOffset.floatBufferValue();
eyeToSourceUVOffsetFB.put(0, textureScaleAndOffset.offset[0]);
eyeToSourceUVOffsetFB.put(1, textureScaleAndOffset.offset[1]);
} else {
vertexCount = 0;
indexCount = 0;
iVBO = null;
vboPos = null;
vboParams = null;
vboTexCoordsR = null;
vboTexCoordsG = null;
vboTexCoordsB = null;
indices = null;
if (StereoDevice.DEBUG) {
System.err.println("XXX." + eyeName + ": " + this);
}
return;
}
final DistortionMesh meshData =
device.config.distortionMeshProducer.create(eyeParam, distortionBits);
if (null == meshData) {
throw new GLException(
"Failed to create meshData for eye "
+ eyeParam
+ ", and "
+ StereoUtil.distortionBitsToString(distortionBits));
}
vertexCount = meshData.vertexCount;
indexCount = meshData.indexCount;
/**
* 2+2+2+2+2: { vec2 position, vec2 color, vec2 texCoordR, vec2 texCoordG, vec2 texCoordB }
*/
final boolean useChromatic = StereoUtil.usesChromaticDistortion(distortionBits);
final boolean useVignette = StereoUtil.usesVignetteDistortion(distortionBits);
final int compsPerElement =
2 + 2 + 2 + (useChromatic ? 2 + 2 /* texCoordG + texCoordB */ : 0);
iVBO =
GLArrayDataServer.createGLSLInterleaved(
compsPerElement, GL.GL_FLOAT, false, vertexCount, GL.GL_STATIC_DRAW);
vboPos = iVBO.addGLSLSubArray("svr_Position", 2, GL.GL_ARRAY_BUFFER);
vboParams = iVBO.addGLSLSubArray("svr_Params", 2, GL.GL_ARRAY_BUFFER);
vboTexCoordsR = iVBO.addGLSLSubArray("svr_TexCoordR", 2, GL.GL_ARRAY_BUFFER);
if (useChromatic) {
vboTexCoordsG = iVBO.addGLSLSubArray("svr_TexCoordG", 2, GL.GL_ARRAY_BUFFER);
vboTexCoordsB = iVBO.addGLSLSubArray("svr_TexCoordB", 2, GL.GL_ARRAY_BUFFER);
} else {
vboTexCoordsG = null;
vboTexCoordsB = null;
}
indices =
GLArrayDataServer.createData(
1, GL.GL_SHORT, indexCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
/**
* 2+2+2+2+2: { vec2 position, vec2 color, vec2 texCoordR, vec2 texCoordG, vec2 texCoordB }
*/
final FloatBuffer iVBOFB = (FloatBuffer) iVBO.getBuffer();
for (int vertNum = 0; vertNum < vertexCount; vertNum++) {
final DistortionMesh.DistortionVertex v = meshData.vertices[vertNum];
int dataIdx = 0;
if (StereoDevice.DUMP_DATA) {
System.err.println("XXX." + eyeName + ": START VERTEX " + vertNum + " / " + vertexCount);
}
// pos
if (v.pos_size >= 2) {
if (StereoDevice.DUMP_DATA) {
System.err.println(
"XXX." + eyeName + ": pos [" + v.data[dataIdx] + ", " + v.data[dataIdx + 1] + "]");
}
iVBOFB.put(v.data[dataIdx]);
iVBOFB.put(v.data[dataIdx + 1]);
} else {
iVBOFB.put(0f);
iVBOFB.put(0f);
}
dataIdx += v.pos_size;
// params
if (v.vignetteFactor_size >= 1 && useVignette) {
if (StereoDevice.DUMP_DATA) {
System.err.println("XXX." + eyeName + ": vignette " + v.data[dataIdx]);
}
iVBOFB.put(v.data[dataIdx]);
} else {
iVBOFB.put(1.0f);
}
dataIdx += v.vignetteFactor_size;
if (v.timewarpFactor_size >= 1) {
if (StereoDevice.DUMP_DATA) {
System.err.println("XXX." + eyeName + ": timewarp " + v.data[dataIdx]);
}
iVBOFB.put(v.data[dataIdx]);
} else {
iVBOFB.put(1.0f);
}
dataIdx += v.timewarpFactor_size;
// texCoordR
if (v.texR_size >= 2) {
if (StereoDevice.DUMP_DATA) {
System.err.println(
"XXX." + eyeName + ": texR [" + v.data[dataIdx] + ", " + v.data[dataIdx + 1] + "]");
}
iVBOFB.put(v.data[dataIdx]);
iVBOFB.put(v.data[dataIdx + 1]);
} else {
iVBOFB.put(1f);
iVBOFB.put(1f);
}
dataIdx += v.texR_size;
if (useChromatic) {
// texCoordG
if (v.texG_size >= 2) {
if (StereoDevice.DUMP_DATA) {
System.err.println(
"XXX."
+ eyeName
+ ": texG ["
+ v.data[dataIdx]
+ ", "
+ v.data[dataIdx + 1]
+ "]");
}
iVBOFB.put(v.data[dataIdx]);
iVBOFB.put(v.data[dataIdx + 1]);
} else {
iVBOFB.put(1f);
iVBOFB.put(1f);
}
dataIdx += v.texG_size;
// texCoordB
if (v.texB_size >= 2) {
if (StereoDevice.DUMP_DATA) {
System.err.println(
"XXX."
+ eyeName
+ ": texB ["
+ v.data[dataIdx]
+ ", "
+ v.data[dataIdx + 1]
+ "]");
}
iVBOFB.put(v.data[dataIdx]);
iVBOFB.put(v.data[dataIdx + 1]);
} else {
iVBOFB.put(1f);
iVBOFB.put(1f);
}
dataIdx += v.texB_size;
} else {
dataIdx += v.texG_size;
dataIdx += v.texB_size;
}
}
if (StereoDevice.DUMP_DATA) {
System.err.println("XXX." + eyeName + ": iVBO " + iVBO);
}
{
if (StereoDevice.DUMP_DATA) {
System.err.println("XXX." + eyeName + ": idx " + indices + ", count " + indexCount);
for (int i = 0; i < indexCount; i++) {
if (0 == i % 16) {
System.err.printf("%n%5d: ", i);
}
System.err.printf("%5d, ", (int) meshData.indices[i]);
}
System.err.println();
}
final ShortBuffer out = (ShortBuffer) indices.getBuffer();
out.put(meshData.indices, 0, meshData.indexCount);
}
if (StereoDevice.DEBUG) {
System.err.println("XXX." + eyeName + ": " + this);
}
}
@Override
public final void init(final GL gl) {
if (StereoDevice.DEBUG) {
System.err.println(JoglVersion.getGLInfo(gl, null).toString());
}
if (null != sp) {
throw new IllegalStateException("Already initialized");
}
if (!ppAvailable()) {
return;
}
final GL2ES2 gl2es2 = gl.getGL2ES2();
final String vertexShaderBasename;
final String fragmentShaderBasename;
{
final boolean usesTimewarp = StereoUtil.usesTimewarpDistortion(distortionBits);
final boolean usesChromatic = StereoUtil.usesChromaticDistortion(distortionBits);
final StringBuilder sb = new StringBuilder();
sb.append(shaderPrefix01);
if (!usesChromatic && !usesTimewarp) {
sb.append(shaderPlainSuffix);
} else if (usesChromatic && !usesTimewarp) {
sb.append(shaderChromaSuffix);
} else if (usesTimewarp) {
sb.append(shaderTimewarpSuffix);
if (usesChromatic) {
sb.append(shaderChromaSuffix);
}
}
vertexShaderBasename = sb.toString();
sb.setLength(0);
sb.append(shaderPrefix01);
if (usesChromatic) {
sb.append(shaderChromaSuffix);
} else {
sb.append(shaderPlainSuffix);
}
fragmentShaderBasename = sb.toString();
}
final ShaderCode vp0 =
ShaderCode.create(
gl2es2,
GL2ES2.GL_VERTEX_SHADER,
GenericStereoDeviceRenderer.class,
"shader",
"shader/bin",
vertexShaderBasename,
true);
final ShaderCode fp0 =
ShaderCode.create(
gl2es2,
GL2ES2.GL_FRAGMENT_SHADER,
GenericStereoDeviceRenderer.class,
"shader",
"shader/bin",
fragmentShaderBasename,
true);
vp0.defaultShaderCustomization(gl2es2, true, true);
fp0.defaultShaderCustomization(gl2es2, true, true);
sp = new ShaderProgram();
sp.add(gl2es2, vp0, System.err);
sp.add(gl2es2, fp0, System.err);
if (!sp.link(gl2es2, System.err)) {
throw new GLException("could not link program: " + sp);
}
sp.useProgram(gl2es2, true);
if (0 > texUnit0.setLocation(gl2es2, sp.program())) {
throw new GLException("Couldn't locate " + texUnit0);
}
for (int i = 0; i < eyes.length; i++) {
eyes[i].linkData(gl2es2, sp);
}
sp.useProgram(gl2es2, false);
}