public void deleteRecycledResources() {
synchronized (mUnboundTextures) {
IntArray ids = mUnboundTextures;
if (ids.size() > 0) {
GLId.glDeleteTextures(mGL, ids.size(), ids.getInternalArray(), 0);
ids.clear();
}
ids = mDeleteBuffers;
if (ids.size() > 0) {
GLId.glDeleteBuffers(mGL, ids.size(), ids.getInternalArray(), 0);
ids.clear();
}
}
}
private void setRenderTarget(RawTexture texture) {
GL11ExtensionPack gl11ep = (GL11ExtensionPack) mGL;
if (mTargetTexture == null && texture != null) {
GLId.glGenBuffers(1, mFrameBuffer, 0);
gl11ep.glBindFramebufferOES(GL11ExtensionPack.GL_FRAMEBUFFER_OES, mFrameBuffer[0]);
}
if (mTargetTexture != null && texture == null) {
gl11ep.glBindFramebufferOES(GL11ExtensionPack.GL_FRAMEBUFFER_OES, 0);
gl11ep.glDeleteFramebuffersOES(1, mFrameBuffer, 0);
}
mTargetTexture = texture;
if (texture == null) {
setSize(mScreenWidth, mScreenHeight);
} else {
setSize(texture.getWidth(), texture.getHeight());
if (!texture.isLoaded()) texture.prepare(this);
gl11ep.glFramebufferTexture2DOES(
GL11ExtensionPack.GL_FRAMEBUFFER_OES,
GL11ExtensionPack.GL_COLOR_ATTACHMENT0_OES,
GL11.GL_TEXTURE_2D,
texture.getId(),
0);
checkFramebufferStatus(gl11ep);
}
}
private void initialize() {
GL11 gl = mGL;
// First create an nio buffer, then create a VBO from it.
int size = BOX_COORDINATES.length * Float.SIZE / Byte.SIZE;
FloatBuffer xyBuffer = allocateDirectNativeOrderBuffer(size).asFloatBuffer();
xyBuffer.put(BOX_COORDINATES, 0, BOX_COORDINATES.length).position(0);
int[] name = new int[1];
GLId.glGenBuffers(1, name, 0);
mBoxCoords = name[0];
gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, mBoxCoords);
gl.glBufferData(
GL11.GL_ARRAY_BUFFER,
xyBuffer.capacity() * (Float.SIZE / Byte.SIZE),
xyBuffer,
GL11.GL_STATIC_DRAW);
gl.glVertexPointer(2, GL11.GL_FLOAT, 0, 0);
gl.glTexCoordPointer(2, GL11.GL_FLOAT, 0, 0);
// Enable the texture coordinate array for Texture 1
gl.glClientActiveTexture(GL11.GL_TEXTURE1);
gl.glTexCoordPointer(2, GL11.GL_FLOAT, 0, 0);
gl.glClientActiveTexture(GL11.GL_TEXTURE0);
gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
// mMatrixValues and mAlpha will be initialized in setSize()
}
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;
}
