On Fri, Jan 22, 2010 at 3:06 PM, Lance Nanek <[email protected]> wrote: > The type of buffer is often specified by a type argument. For the > glDrawElements method you can see this argument described in the > Javadoc right before the argument where you are a passing a > FloatBuffer: > http://java.sun.com/javame/reference/apis/jsr239/javax/microedition/khronos/opengles/GL10.html#glDrawElements%28int,%20int,%20int,%20java.nio.Buffer%29 >>type - Specifies the type of the values in indices. Must be either >>GL_UNSIGNED_BYTE or GL_UNSIGNED_SHORT. >>indices - Specifies a pointer to the location where the indices are stored. > > There's an Android example of creating a buffer of indices and passing > it to the glDrawElements method here: > http://developer.android.com/intl/fr/resources/samples/ApiDemos/src/com/example/android/apis/graphics/spritetext/Grid.html > > Floats don't make any sense for indices. Referring to vertex 1 or 2 > makes sense, referring to vertex 1.5 doesn't. Floats can be used for > things like coordinates, however. The above API Demo has an example of > using glVertexPointer with type GL10.GL_FLOAT, for example. You can > see in the Javadoc that the type argument is described differently for > the glVertexPointer method: > http://java.sun.com/javame/reference/apis/jsr239/javax/microedition/khronos/opengles/GL10.html#glVertexPointer%28int,%20int,%20int,%20java.nio.Buffer%29 >>type - Specifies the data type of each vertex coordinate in the array. >>Symbolic constants GL_BYTE, GL_SHORT, GL_FIXED, and GL_FLOAT are accepted. >>The initial value is GL_FLOAT.
Thank you, this part of your post was most helpful. -- Greg Donald destiney.com | gregdonald.com -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
