private void prepareBuffers(GLCanvas canvas) {
mBufferNames = new int[3];
GL11 gl = canvas.getGLInstance();
GLId.glGenBuffers(3, mBufferNames, 0);
gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, mBufferNames[0]);
gl.glBufferData(
GL11.GL_ARRAY_BUFFER,
mXyBuffer.capacity() * (Float.SIZE / Byte.SIZE),
mXyBuffer,
GL11.GL_STATIC_DRAW);
gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, mBufferNames[1]);
gl.glBufferData(
GL11.GL_ARRAY_BUFFER,
mUvBuffer.capacity() * (Float.SIZE / Byte.SIZE),
mUvBuffer,
GL11.GL_STATIC_DRAW);
gl.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, mBufferNames[2]);
gl.glBufferData(
GL11.GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer.capacity(), mIndexBuffer, GL11.GL_STATIC_DRAW);
// These buffers are never used again.
mXyBuffer = null;
mUvBuffer = null;
mIndexBuffer = null;
}
public static RawTexture newInstance(GLCanvas canvas) {
int[] textureId = new int[1];
GL11 gl = canvas.getGLInstance();
gl.glGenTextures(1, textureId, 0);
return new RawTexture(canvas, textureId[0]);
}
