public void Init(int width, int height, bool smartRects)
{
SmartRects = smartRects;
// calculate the power of 2, which will be our texture size
uint val = (uint)width, powof2 = 1;
while (powof2 < val)
{
powof2 <<= 1;
}
Width = (int)powof2;
val = (uint)height;
powof2 = 1;
while (powof2 < val)
{
powof2 <<= 1;
}
Height = (int)powof2;
BackBuffer = new Texture2D((int)Width, (int)Height, TextureFormat.ARGB32, false);
Pixels = BackBuffer.GetPixels32(0);
PinnedPixels = GCHandle.Alloc(Pixels, GCHandleType.Pinned);
if (smartRects)
{
SubBuffers = new SubBuffer[2, 2];
int th = Height;
int tw = Width;
if (th > 1024)
{
th = 1024;
}
if (tw > 1024)
{
tw = 1024;
}
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
SubBuffer s = SubBuffers[i, j] = new SubBuffer();
s.Width = tw >> (i + 1);
s.Height = th >> (i + 1);
s.Texture = new Texture2D((int)s.Width, (int)s.Height, TextureFormat.ARGB32, false);
s.Pixels = s.Texture.GetPixels32(0);
s.PinnedPixels = GCHandle.Alloc(s.Pixels, GCHandleType.Pinned);
}
}
}
}
/// <summary>
/// Release the associated texture and buffer data.
/// It is critical to call this to avoid leaks
/// </summary>
public void Release()
{
Pixels = null;
if (PinnedPixels.IsAllocated)
{
PinnedPixels.Free();
}
Object.DestroyImmediate(BackBuffer);
BackBuffer = null;
if (SmartRects)
{
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
SubBuffer s = SubBuffers[i, j];
s.Pixels = null;
if (s.PinnedPixels.IsAllocated)
{
s.PinnedPixels.Free();
}
Object.DestroyImmediate(SubBuffers[i, j].Texture);
s.Texture = null;
SubBuffers[i, j] = null;
}
}
SubBuffers = null;
}
}
public void Init(int width, int height, bool smartRects)
{
SmartRects = smartRects;
// calculate the power of 2, which will be our texture size
uint val = (uint)width, powof2 = 1;
while (powof2 < val)
powof2 <<= 1;
Width = (int)powof2;
val = (uint)height;
powof2 = 1;
while (powof2 < val)
powof2 <<= 1;
Height = (int)powof2;
BackBuffer = new Texture2D ((int)Width, (int)Height, TextureFormat.ARGB32, false);
Pixels = BackBuffer.GetPixels32 (0);
PinnedPixels = GCHandle.Alloc (Pixels, GCHandleType.Pinned);
if (smartRects) {
SubBuffers = new SubBuffer[2, 2];
int th = Height;
int tw = Width;
if (th > 1024)
th = 1024;
if (tw > 1024)
tw = 1024;
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
SubBuffer s = SubBuffers[i, j] = new SubBuffer ();
s.Width = tw >> (i + 1);
s.Height = th >> (i + 1);
s.Texture = new Texture2D ((int)s.Width, (int)s.Height, TextureFormat.ARGB32, false);
s.Pixels = s.Texture.GetPixels32 (0);
s.PinnedPixels = GCHandle.Alloc (s.Pixels, GCHandleType.Pinned);
}
}
}
}
/// <summary>
/// Update the necessary textures based on changes to the page
/// </summary>
public void Update()
{
TextureInterop b;
// back buffer first
b.Dirty = 0;
b.X = b.Y = 0;
b.Width = Width;
b.Height = Height;
b.Pixels = PinnedPixels.AddrOfPinnedObject();
if (Plugin.UpdateTexture(true, 0, 0, ref b))
{
return; // partial update
}
if (b.Dirty != 0)
{
// backbuffer is dirty, sub buffers don't figure into it (scrolling, fullscreen video, etc)
BackBuffer.SetPixels32(Pixels, 0);
BackBuffer.Apply(false);
if (SmartRects)
{
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
SubBuffers[i, j].Active = false;
}
}
}
return;
}
if (!SmartRects)
{
return;
}
// update the subbuffers
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
SubBuffer s = SubBuffers[i, j];
s.Active = false;
b.Dirty = 0;
b.Pixels = s.PinnedPixels.AddrOfPinnedObject();
Plugin.UpdateTexture(false, i, j, ref b);
if (b.Dirty == 0)
{
continue;
}
s.Active = true;
s.X = b.X;
s.Y = b.Y;
s.Width = b.Width;
s.Height = b.Height;
s.Texture.SetPixels32(s.Pixels);
s.Texture.Apply(false);
//Debug.Log("Updating SubBuffer " + i + " " + j);
}
}
}
