public void LoadToHardware(GL11 pGL11)
{
this.mHardwareBufferID = this.GenerateHardwareBufferID(pGL11);
// Debug.d("BufferObject.loadToHardware(): ID = " + this.mHardwareBufferID);
this.mLoadedToHardware = true;
}
public void UnloadFromHardware(GL11 pGL11)
{
this.DeleteBufferOnHardware(pGL11);
this.mHardwareBufferID = -1;
this.mLoadedToHardware = false;
}
public static void BindBuffer(/* final */ GL11 pGL11, /* final */ int pHardwareBufferID)
{
/* Reduce unnecessary buffer switching calls. */
if (GLHelper.sCurrentHardwareBufferID != pHardwareBufferID)
{
GLHelper.sCurrentHardwareBufferID = pHardwareBufferID;
pGL11.GlBindBuffer(GL11Consts.GlArrayBuffer, pHardwareBufferID);
}
}
protected override void OnApplyVertices(/* final */ GL10 pGL)
{
if (GLHelper.EXTENSIONS_VERTEXBUFFEROBJECTS)
{
// TODO: Figure what the required conversion here is
/* final */
GL11 gl11 = (GL11)pGL;
this.GetVertexBuffer().SelectOnHardware(gl11);
GLHelper.VertexZeroPointer(gl11);
}
else
{
GLHelper.VertexPointer(pGL, this.GetVertexBuffer().GetFloatBuffer());
}
}
public void OnApply(GL10 pGL)
{
if (GLHelper.EXTENSIONS_VERTEXBUFFEROBJECTS)
{
GL11 gl11 = (GL11)pGL;
this.mTextureRegionBuffer.SelectOnHardware(gl11);
GLHelper.BindTexture(pGL, this.mTexture.GetHardwareTextureID());
GLHelper.TexCoordZeroPointer(gl11);
}
else
{
GLHelper.BindTexture(pGL, this.mTexture.GetHardwareTextureID());
GLHelper.TexCoordPointer(pGL, this.mTextureRegionBuffer.GetFloatBuffer());
}
}
public void UpdateBufferObjects(GL11 pGL11)
{
HashSet <BufferObject> bufferObjectsManaged = BufferObjectManager.mBufferObjectsManaged;
List <BufferObject> bufferObjectsLoaded = BufferObjectManager.mBufferObjectsLoaded;
List <BufferObject> bufferObjectsToBeLoaded = BufferObjectManager.mBufferObjectsToBeLoaded;
List <BufferObject> bufferObjectsToBeUnloaded = BufferObjectManager.mBufferObjectsToBeUnloaded;
/* First load pending BufferObjects. */
int bufferObjectToBeLoadedCount = bufferObjectsToBeLoaded.Count;
if (bufferObjectToBeLoadedCount > 0)
{
for (int i = bufferObjectToBeLoadedCount - 1; i >= 0; i--)
{
BufferObject bufferObjectToBeLoaded = bufferObjectsToBeLoaded[i];
if (!bufferObjectToBeLoaded.IsLoadedToHardware())
{
bufferObjectToBeLoaded.LoadToHardware(pGL11);
bufferObjectToBeLoaded.SetHardwareBufferNeedsUpdate();
}
bufferObjectsLoaded.Add(bufferObjectToBeLoaded);
}
bufferObjectsToBeLoaded.Clear();
}
/* Then unload pending BufferObjects. */
int bufferObjectsToBeUnloadedCount = bufferObjectsToBeUnloaded.Count;
if (bufferObjectsToBeUnloadedCount > 0)
{
for (int i = bufferObjectsToBeUnloadedCount - 1; i >= 0; i--)
{
//BufferObject bufferObjectToBeUnloaded = bufferObjectsToBeUnloaded.remove(i);
BufferObject bufferObjectToBeUnloaded = bufferObjectsToBeUnloaded[i];
bufferObjectsToBeUnloaded.Remove(bufferObjectToBeUnloaded);
if (bufferObjectToBeUnloaded.IsLoadedToHardware())
{
bufferObjectToBeUnloaded.UnloadFromHardware(pGL11);
}
bufferObjectsLoaded.Remove(bufferObjectToBeUnloaded);
bufferObjectsManaged.Remove(bufferObjectToBeUnloaded);
}
}
}
// ===========================================================
// Methods
// ===========================================================
public void SelectOnHardware(GL11 pGL11)
{
int hardwareBufferID = this.mHardwareBufferID;
if (hardwareBufferID == -1)
{
return;
}
GLHelper.BindBuffer(pGL11, hardwareBufferID); // TODO Does this always need to be binded, or are just for buffers of the same 'type'(texture/vertex)?
if (this.mHardwareBufferNeedsUpdate)
{
// Debug.d("BufferObject.updating: ID = " + this.mHardwareBufferID);
this.mHardwareBufferNeedsUpdate = false;
//synchronized(this) {
lock (_methodLock)
{
GLHelper.BufferData(pGL11, this.mFloatBuffer.mByteBuffer, this.mDrawType);
}
}
}
private int GenerateHardwareBufferID(GL11 pGL11)
{
pGL11.GlGenBuffers(1, HARDWAREBUFFERID_FETCHER, 0);
return(HARDWAREBUFFERID_FETCHER[0]);
}
private void DeleteBufferOnHardware(GL11 pGL11)
{
GLHelper.DeleteBuffer(pGL11, this.mHardwareBufferID);
}
public static void BufferData(/* final */ GL11 pGL11, /* final */ ByteBuffer pByteBuffer, /* final */ int pUsage)
{
pGL11.GlBufferData(GL11Consts.GlArrayBuffer, pByteBuffer.Capacity(), pByteBuffer, pUsage);
}
public static void VertexZeroPointer(/* final */ GL11 pGL11)
{
pGL11.GlVertexPointer(2, GL10Consts.GlFloat, 0, 0);
}
public static void TexCoordZeroPointer(/* final */ GL11 pGL11)
{
pGL11.GlTexCoordPointer(2, GL10Consts.GlFloat, 0, 0);
}
public static void DeleteBuffer(/* final */ GL11 pGL11, /* final */ int pHardwareBufferID)
{
GLHelper.HARDWAREBUFFERID_CONTAINER[0] = pHardwareBufferID;
pGL11.GlDeleteBuffers(1, GLHelper.HARDWAREBUFFERID_CONTAINER, 0);
}
public void UpdateBufferObjects(GL11 pGL11)
{
HashSet<BufferObject> bufferObjectsManaged = BufferObjectManager.mBufferObjectsManaged;
List<BufferObject> bufferObjectsLoaded = BufferObjectManager.mBufferObjectsLoaded;
List<BufferObject> bufferObjectsToBeLoaded = BufferObjectManager.mBufferObjectsToBeLoaded;
List<BufferObject> bufferObjectsToBeUnloaded = BufferObjectManager.mBufferObjectsToBeUnloaded;
/* First load pending BufferObjects. */
int bufferObjectToBeLoadedCount = bufferObjectsToBeLoaded.Count;
if (bufferObjectToBeLoadedCount > 0)
{
for (int i = bufferObjectToBeLoadedCount - 1; i >= 0; i--)
{
BufferObject bufferObjectToBeLoaded = bufferObjectsToBeLoaded[i];
if (!bufferObjectToBeLoaded.IsLoadedToHardware())
{
bufferObjectToBeLoaded.LoadToHardware(pGL11);
bufferObjectToBeLoaded.SetHardwareBufferNeedsUpdate();
}
bufferObjectsLoaded.Add(bufferObjectToBeLoaded);
}
bufferObjectsToBeLoaded.Clear();
}
/* Then unload pending BufferObjects. */
int bufferObjectsToBeUnloadedCount = bufferObjectsToBeUnloaded.Count;
if (bufferObjectsToBeUnloadedCount > 0)
{
for (int i = bufferObjectsToBeUnloadedCount - 1; i >= 0; i--)
{
//BufferObject bufferObjectToBeUnloaded = bufferObjectsToBeUnloaded.remove(i);
BufferObject bufferObjectToBeUnloaded = bufferObjectsToBeUnloaded[i];
bufferObjectsToBeUnloaded.Remove(bufferObjectToBeUnloaded);
if (bufferObjectToBeUnloaded.IsLoadedToHardware())
{
bufferObjectToBeUnloaded.UnloadFromHardware(pGL11);
}
bufferObjectsLoaded.Remove(bufferObjectToBeUnloaded);
bufferObjectsManaged.Remove(bufferObjectToBeUnloaded);
}
}
}
