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loadTessVertices/updateTessVertices

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codeanticode
2011-10-27 22:17:40 +00:00
parent 7beec9963e
commit c808eee6d0
1 changed files with 91 additions and 1 deletions
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java/libraries/opengl/src/processing/opengl/PShape3D.java
+91 -1
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@@ -208,6 +208,7 @@ public class PShape3D extends PShape {
root = this;
parent = null;
updateElement = -1;
}
public void setKind(int kind) {
@@ -1537,6 +1538,88 @@ public class PShape3D extends PShape {
// load/update/set/get methods
public void loadTessVertices() {
loadTessVertices(firstVertex, lastVertex);
}
public void loadTessVertices(int first, int last) {
if (last < first || first < firstVertex || lastVertex < last) {
PGraphics.showWarning("PShape3D: wrong vertex index");
updateElement = -1;
return;
}
if (updateElement != -1) {
PGraphics.showWarning("PShape3D: can load only one type of data at the time");
return;
}
if (root.isModified()) {
// Just re-creating everything.
// Later we can do something a little more
// refined.
root.tessellate();
root.aggregate();
root.setModified(false);
}
updateElement = VERTICES;
firstUpdateIdx = first;
lastUpdateIdx = last;
getGl().glBindBuffer(GL.GL_ARRAY_BUFFER, root.glVertexBufferID);
int offset = firstUpdateIdx * 3;
int size = (lastUpdateIdx - firstUpdateIdx + 1) * 3;
//vertexBuffer = ogl.gl2x.glMapBufferRange(GL.GL_ARRAY_BUFFER, offset, size, GL.GL_WRITE_ONLY).asFloatBuffer();
vertexBuffer = getGl().glMapBuffer(GL.GL_ARRAY_BUFFER, GL.GL_WRITE_ONLY).asFloatBuffer();
/*
if (vertexBuffer.hasArray()) {
vertices = vertexBuffer.array();
}
*/
if (vertices == null || vertices.length != vertexBuffer.capacity()) {
vertices = new float[vertexBuffer.capacity()];
vertexBuffer.position(0);
vertexBuffer.get(vertices);
}
// * Possible optimization:
// int offset = firstUpdateIdx * 3;
// int size = (lastUpdateIdx - firstUpdateIdx + 1) * 3;
//vertexBuffer = gl.glMapBufferRange(GL.GL_ARRAY_BUFFER, offset, size, GL.GL_WRITE_ONLY).asFloatBuffer();
// if using this, the vertexBuffer.put(vertices) should be start at 0. I think.
// * Another optimization: use BufferData instead of Map to replace an ENTIRE buffer.
}
public void updateTessVertices() {
if (updateElement == VERTICES) {
int offset = firstUpdateIdx * 3;
int size = (lastUpdateIdx - firstUpdateIdx + 1) * 3;
//if (root.autoBounds) {
// updateBounds(firstUpdateIdx, lastUpdateIdx);
//}
vertexBuffer.position(0);
vertexBuffer.put(vertices, offset, size);
vertexBuffer.flip();
getGl().glUnmapBuffer(GL.GL_ARRAY_BUFFER);
getGl().glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
updateElement = -1;
} else {
PGraphics.showWarning("PShape3D: need to call loadTessVertices() first");
}
}
public void loadVertices() {
loadVertices(firstVertex, lastVertex);
@@ -1561,7 +1644,14 @@ public class PShape3D extends PShape {
getGl().glBindBuffer(GL.GL_ARRAY_BUFFER, glVertexBufferID);
vertexBuffer = getGl().glMapBuffer(GL.GL_ARRAY_BUFFER, GL.GL_WRITE_ONLY).asFloatBuffer();
//vertexBuffer = getGl().glMapBuffer(GL.GL_ARRAY_BUFFER, GL.GL_WRITE_ONLY).asFloatBuffer();
//int offset = firstUpdateIdx * 3;
//int size = (lastUpdateIdx - firstUpdateIdx + 1) * 3;
//vertexBuffer = getGl().glMapBufferRange(GL.GL_ARRAY_BUFFER, offset, size, GL.GL_WRITE_ONLY).asFloatBuffer();
//if (vertexBuffer.hasArray()) {
// vertices = vertexBuffer.array();
//}
// * Possible optimization:
// int offset = firstUpdateIdx * 3;