internal void ReleaseTextureContainer(TextureContainter textureContainer)
{
#if DEBUG
if (textureContainer.GLBitmap != null)
{ //clear the glbmp first
throw new System.NotSupportedException();
}
if (_freeContainers.Contains(textureContainer))
{
}
#endif
//must remove from active
if (textureContainer.ActiveQueueLinkedNode != null)
{
//remove specific node
_activeContainers.Remove(textureContainer.ActiveQueueLinkedNode);
textureContainer.ActiveQueueLinkedNode = null;//***
}
else
{
#if DEBUG
System.Diagnostics.Debugger.Break();//???
#endif
}
_freeContainers.Enqueue(textureContainer);
}
void UploadGradientLookupTable(GLBitmap bmp)
{
//load before use with RenderSubImage
//-------------------------------------------------------------------------------------
// Bind the texture...
TextureContainter container = _shareRes.LoadGLBitmap(bmp);
s_texture.SetValue(container.TextureUnitNo);
}
internal void ReleaseTextureContainer(TextureContainter textureContainer)
{
#if DEBUG
if (textureContainer.GLBitmap != null)
{ //clear the glbmp first
throw new System.NotSupportedException();
}
#endif
_freeContainers.Enqueue(textureContainer);
}
void UploadGradientLookupTable(GLBitmap bmp)
{
//load before use with RenderSubImage
//-------------------------------------------------------------------------------------
// Bind the texture...
TextureContainter container = _shareRes.LoadGLBitmap(bmp);
//GL.ActiveTexture(TextureUnit.Texture0);
//GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(container.TextureUnitNo);
}
/// <summary>
/// load glbitmap to free texture unit
/// </summary>
/// <param name="bmp"></param>
/// <returns></returns>
public TextureContainter LoadGLBitmap(GLBitmap bmp)
{
if (bmp.TextureContainer != null)
{
//bmp.TextureContainer.UnloadGLBitmap();
if (_latestLoadGLBmp != bmp)
{
bmp.TextureContainer.MakeActive();
return(bmp.TextureContainer);
}
else
{
_latestLoadGLBmp = bmp;
return(bmp.TextureContainer);
}
}
//----------------
if (_freeContainers.Count > 0)
{
//has some free texture unit
TextureContainter container = _freeContainers.Dequeue();
container.LoadGLBitmap(bmp);
_activeContainers.Enqueue(container);//move to active container queue
#if DEBUG
container._debugIsActive = true;
#endif
return(container);
}
else
{
//TODO: handle out-of-quota texture unit here
//in this version we unload from oldest active container
TextureContainter container = _activeContainers.Dequeue();
container.UnloadGLBitmap();
#if DEBUG
if (_freeContainers.Count < 2)
{
}
#endif
//when container is unload, it will enqueue to the free pool
//so we get the new one from the pool,DO NOT reuse current container
container = _freeContainers.Dequeue();
container.LoadGLBitmap(bmp);
_activeContainers.Enqueue(container);
#if DEBUG
container._debugIsActive = true;
#endif
return(container);
}
}
/// <summary>
/// load glbmp before draw
/// </summary>
/// <param name="bmp"></param>
public void LoadGLBitmap(GLBitmap bmp)
{
//load before use with RenderSubImage
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
TextureContainter container = _shareRes.LoadGLBitmap(bmp);
// Set the texture sampler to texture unit to 0
s_texture.SetValue(container.TextureUnitNo);
_latestBmpW = bmp.Width;
_latestBmpH = bmp.Height;
_latestBmpYFlipped = bmp.IsYFlipped;
}
public void Render(GLBitmap glBmp, float left, float top, float w, float h, bool isFlipped = false)
{
SetCurrent();
CheckViewMatrix();
unsafe
{
//user's coord
//(left,top) ----- (right,top)
// | |
// | |
// | |
//(left,bottom) ---(right,bottom)
//
//(0,1) ------------ (1,1)
// | |
// | texture-img |
// | |
//(0,0) -------------(1,0)
if (isFlipped)
{
//since this is fliped in Y axis
//so we map
//| user's coord | texture-img |
//----------------------------------
//| left | left
//| right | right
//----------------------------------
//| top | bottom
//| bottom | top
//----------------------------------
float *imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = left; imgVertices[1] = top; imgVertices[2] = 0; //coord 0 (left,top)
imgVertices[3] = 0; imgVertices[4] = 0; //texture coord 0 (left,bottom)
//---------------------
imgVertices[5] = left; imgVertices[6] = top - h; imgVertices[7] = 0; //coord 1 (left,bottom)
imgVertices[8] = 0; imgVertices[9] = 1; //texture coord 1 (left,top)
//---------------------
imgVertices[10] = left + w; imgVertices[11] = top; imgVertices[12] = 0; //coord 2 (right,top)
imgVertices[13] = 1; imgVertices[14] = 0; //texture coord 2 (right,bottom)
//---------------------
imgVertices[15] = left + w; imgVertices[16] = top - h; imgVertices[17] = 0; //coord 3 (right, bottom)
imgVertices[18] = 1; imgVertices[19] = 1; //texture coord 3 (right,top)
}
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
else
{ //since this is NOT fliped in Y axis
//so we map
//| user's coord | texture-img |
//----------------------------------
//| left | left
//| right | right
//----------------------------------
//| top | top
//| bottom | bottom
//----------------------------------
float *imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = left; imgVertices[1] = top; imgVertices[2] = 0; //coord 0 (left,top)
imgVertices[3] = 0; imgVertices[4] = 1; //texture coord 0 (left,top)
//---------------------
imgVertices[5] = left; imgVertices[6] = top - h; imgVertices[7] = 0; //coord 1 (left,bottom)
imgVertices[8] = 0; imgVertices[9] = 0; //texture coord 1 (left,bottom)
//---------------------
imgVertices[10] = left + w; imgVertices[11] = top; imgVertices[12] = 0; //coord 2 (right,top)
imgVertices[13] = 1; imgVertices[14] = 1; //texture coord 2 (right,top)
//---------------------
imgVertices[15] = left + w; imgVertices[16] = top - h; imgVertices[17] = 0; //coord 3 (right, bottom)
imgVertices[18] = 1; imgVertices[19] = 0; //texture coord 3 (right,bottom)
}
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
}
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
TextureContainter container = _shareRes.LoadGLBitmap(glBmp);
//GL.ActiveTexture(TextureUnit.Texture0);
//GL.BindTexture(TextureTarget.Texture2D, textureId);
// Set the texture sampler to texture unit to 0
s_texture.SetValue(container.TextureUnitNo);
SetVarsBeforeRender();
GL.DrawElements(BeginMode.TriangleStrip, 4, DrawElementsType.UnsignedShort, indices);
}
/// <summary>
/// load glbitmap to free texture unit
/// </summary>
/// <param name="bmp"></param>
/// <returns></returns>
public TextureContainter LoadGLBitmap(GLBitmap bmp)
{
if (bmp.TextureContainer != null)
{
//bmp.TextureContainer.UnloadGLBitmap();
if (_latestLoadGLBmp != bmp)
{
bmp.TextureContainer.MakeActive();
return(bmp.TextureContainer);
}
else
{
_latestLoadGLBmp = bmp;
return(bmp.TextureContainer);
}
}
//----------------
if (_freeContainers.Count > 0)
{
//has some free texture unit
TextureContainter container = _freeContainers.Dequeue();
container.LoadGLBitmap(bmp);
#if DEBUG
if (_activeContainers.Contains(container))
{
//remove this from
System.Diagnostics.Debugger.Break();
}
#endif
container.ActiveQueueLinkedNode = _activeContainers.AddLast(container);
#if DEBUG
container._debugIsActive = true;
#endif
return(container);
}
else
{
//TODO: handle out-of-quota texture unit here
//in this version we unload from oldest active container
TextureContainter container = _activeContainers.First.Value;
container.UnloadGLBitmap();
#if DEBUG
if (container.ActiveQueueLinkedNode != null)
{
System.Diagnostics.Debugger.Break();
}
if (_freeContainers.Count < 2)
{
}
#endif
//when container is unload, it will enqueue to the free pool
//so we get the new one from the pool,DO NOT reuse current container
container = _freeContainers.Dequeue();
container.LoadGLBitmap(bmp);
//enqueue
container.ActiveQueueLinkedNode = _activeContainers.AddLast(container);
#if DEBUG
container._debugIsActive = true;
#endif
return(container);
}
}
