public void DrawBatch20(SpriteSortMode sortMode)
{
// nothing to do
if (_batchItemList.Count == 0)
{
return;
}
// sort the batch items
switch (sortMode)
{
case SpriteSortMode.Texture:
_batchItemList.Sort(CompareTexture);
break;
case SpriteSortMode.FrontToBack:
_batchItemList.Sort(CompareDepth);
break;
case SpriteSortMode.BackToFront:
_batchItemList.Sort(CompareReverseDepth);
break;
}
// make sure an old draw isn't still going on.
// cross fingers, commenting this out!!
//GL20.Flush();
GL20.EnableVertexAttribArray(attributePosition);
GL20.EnableVertexAttribArray(attributeTexCoord);
int size = VertexPosition2ColorTexture.GetSize();
GL20.VertexAttribPointer(attributePosition, 2, All20.Float, false, size, _vertexHandle.AddrOfPinnedObject());
GL20.VertexAttribPointer(attributeTexCoord, 2, All20.Float, false, size, (IntPtr)((uint)_vertexHandle.AddrOfPinnedObject() + (uint)(sizeof(float) * 2 + sizeof(uint))));
// GL11.VertexPointer(2,All11.Float,size,_vertexHandle.AddrOfPinnedObject() );
// GL11.ColorPointer(4, All11.UnsignedByte,size,(IntPtr)((uint)_vertexHandle.AddrOfPinnedObject()+(uint)(sizeof(float)*2)));
// GL11.TexCoordPointer(2, All11.Float,size,(IntPtr)((uint)_vertexHandle.AddrOfPinnedObject()+(uint)(sizeof(float)*2+sizeof(uint))) );
// setup the vertexArray array
int startIndex = 0;
int index = 0;
int texID = -1;
Color lastTint = new Color(0.0f, 0.0f, 0.0f, 0.0f);
// make sure the vertexArray has enough space
if (_batchItemList.Count * 4 > _vertexArray.Length)
{
ExpandVertexArray(_batchItemList.Count);
}
foreach (SpriteBatchItem item in _batchItemList)
{
//Tint Color
Vector4 vtint = item.Tint.ToVector4();
vtint /= 255;
// GL20.VertexAttrib4(attributeTint,vtint.X, vtint.Y, vtint.Z, vtint.W);
// if the texture changed, we need to flush and bind the new texture
if (item.TextureID != texID || item.Tint != lastTint)
{
FlushVertexArray20(startIndex, index);
startIndex = index;
texID = item.TextureID;
lastTint = item.Tint;
GL20.ActiveTexture(All20.Texture0);
GL20.BindTexture(All20.Texture2D, texID);
GL20.Uniform1(texID, 0);
GL20.VertexAttrib4(attributeTint, vtint.X, vtint.Y, vtint.Z, vtint.W);
}
// store the SpriteBatchItem data in our vertexArray
_vertexArray[index++] = item.vertexTL;
_vertexArray[index++] = item.vertexTR;
_vertexArray[index++] = item.vertexBL;
_vertexArray[index++] = item.vertexBR;
_freeBatchItemQueue.Enqueue(item);
}
// flush the remaining vertexArray data
FlushVertexArray20(startIndex, index);
_batchItemList.Clear();
}
public void DrawBatchGL20(SpriteSortMode sortMode)
{
// nothing to do
if (_batchItemList.Count == 0)
{
return;
}
// sort the batch items
switch (sortMode)
{
case SpriteSortMode.Texture:
//_batchItemList.Sort( CompareTexture );
throw new NotSupportedException();
case SpriteSortMode.FrontToBack:
//_batchItemList.Sort ( CompareDepth );
throw new NotSupportedException();
case SpriteSortMode.BackToFront:
//_batchItemList.Sort ( CompareReverseDepth );
throw new NotSupportedException();
}
GL20.EnableVertexAttribArray(attributePosition);
GL20.EnableVertexAttribArray(attributeTexCoord);
// make sure the vertexArray has enough space
if (_batchItemList.Count * 4 > _index.Length)
{
ExpandIndexArray(_batchItemList.Count);
}
LinkVertexArray();
int size = VertexPosition2ColorTexture.GetSize();
GL20.VertexAttribPointer(attributePosition, 2, ALL20.Float, false, size, _vertexHandle.AddrOfPinnedObject());
GL20.VertexAttribPointer(attributeTexCoord, 2, ALL20.Float, false, size, (IntPtr)((uint)_vertexHandle.AddrOfPinnedObject() + (uint)(sizeof(float) * 2 + sizeof(uint))));
// setup the vertexArray array
int startIndex = 0;
int index = 0;
int texID = -1;
Color lastTint = new Color(0.0f, 0.0f, 0.0f, 0.0f);
foreach (SpriteBatchItem item in _batchItemList)
{
//Tint Color
Vector4 vtint = item.Tint.ToVector4();
//vtint /= 255;
//GL20.VertexAttrib4(attributeTint, vtint.X, vtint.Y, vtint.Z, vtint.W);
// if the texture changed, we need to flush and bind the new texture
if (item.TextureID != texID || item.Tint != lastTint)
{
FlushVertexArrayGL20(startIndex, index);
startIndex = index;
texID = item.TextureID;
lastTint = item.Tint;
GL20.ActiveTexture(ALL20.Texture0);
GL20.BindTexture(ALL20.Texture2D, texID);
GL20.Uniform1(texID, 0);
GL20.VertexAttrib4(attributeTint, vtint.X, vtint.Y, vtint.Z, vtint.W);
}
index += 4;
}
// flush the remaining vertexArray data
FlushVertexArrayGL20(startIndex, index);
_batchItemList.Clear();
_vertexArray.Clear();
}