void SampleCopyChannel(
CommandBuffer cmd,
RectInt rect,
int _source,
RenderTargetIdentifier source,
int _target,
RenderTargetIdentifier target,
int kernel8,
int kernel1)
{
// Note: Currently disable ot not have to enable unsfe flag in the project
/*
* RectInt main, topRow, rightCol, topRight;
* unsafe
* {
* RectInt* dispatch1Rects = stackalloc RectInt[3];
* int dispatch1RectCount = 0;
* RectInt dispatch8Rect = RectInt.zero;
*
* if (TileLayoutUtils.TryLayoutByTiles(
* rect,
* 8,
* out main,
* out topRow,
* out rightCol,
* out topRight))
* {
* if (topRow.width > 0 && topRow.height > 0)
* {
* dispatch1Rects[dispatch1RectCount] = topRow;
++dispatch1RectCount;
* }
* if (rightCol.width > 0 && rightCol.height > 0)
* {
* dispatch1Rects[dispatch1RectCount] = rightCol;
++dispatch1RectCount;
* }
* if (topRight.width > 0 && topRight.height > 0)
* {
* dispatch1Rects[dispatch1RectCount] = topRight;
++dispatch1RectCount;
* }
* dispatch8Rect = main;
* }
* else if (rect.width > 0 && rect.height > 0)
* {
* dispatch1Rects[dispatch1RectCount] = rect;
++dispatch1RectCount;
* }
*
* cmd.SetComputeTextureParam(m_Shader, kernel8, _source, source);
* cmd.SetComputeTextureParam(m_Shader, kernel1, _source, source);
* cmd.SetComputeTextureParam(m_Shader, kernel8, _target, target);
* cmd.SetComputeTextureParam(m_Shader, kernel1, _target, target);
*
* if (dispatch8Rect.width > 0 && dispatch8Rect.height > 0)
* {
* var r = dispatch8Rect;
* // Caution: passing parameters to SetComputeIntParams() via params generate 48B several times at each frame here !
* cmd.SetComputeIntParams(m_Shader, _RectOffset, (int)r.x, (int)r.y);
* cmd.DispatchCompute(m_Shader, kernel8, (int)Mathf.Max(r.width / 8, 1), (int)Mathf.Max(r.height / 8, 1), 1);
* }
*
* for (int i = 0, c = dispatch1RectCount; i < c; ++i)
* {
* var r = dispatch1Rects[i];
* // Caution: passing parameters to SetComputeIntParams() via params generate 48B several times at each frame here !
* cmd.SetComputeIntParams(m_Shader, _RectOffset, (int)r.x, (int)r.y);
* cmd.DispatchCompute(m_Shader, kernel1, (int)Mathf.Max(r.width, 1), (int)Mathf.Max(r.height, 1), 1);
* }
* }
*/
}
public void SampleCopyChannel_xyzw2x(CommandBuffer cmd, RenderTargetIdentifier source, RenderTargetIdentifier target, RectInt rect)
{
SampleCopyChannel(cmd, rect, _Source4, source, _Result1, target, k_SampleKernel_xyzw2x_8, k_SampleKernel_xyzw2x_1);
}
void SampleCopyChannel(
CommandBuffer cmd,
RectInt rect,
int _source,
RenderTargetIdentifier source,
int _target,
RenderTargetIdentifier target,
int kernel8,
int kernel1)
{
RectInt main, topRow, rightCol, topRight;
unsafe
{
RectInt *dispatch1Rects = stackalloc RectInt[3];
int dispatch1RectCount = 0;
RectInt dispatch8Rect = RectInt.zero;
if (TileLayoutUtils.TryLayoutByTiles(
rect,
8,
out main,
out topRow,
out rightCol,
out topRight))
{
if (topRow.width > 0 && topRow.height > 0)
{
dispatch1Rects[dispatch1RectCount] = topRow;
++dispatch1RectCount;
}
if (rightCol.width > 0 && rightCol.height > 0)
{
dispatch1Rects[dispatch1RectCount] = rightCol;
++dispatch1RectCount;
}
if (topRight.width > 0 && topRight.height > 0)
{
dispatch1Rects[dispatch1RectCount] = topRight;
++dispatch1RectCount;
}
dispatch8Rect = main;
}
else if (rect.width > 0 && rect.height > 0)
{
dispatch1Rects[dispatch1RectCount] = rect;
++dispatch1RectCount;
}
cmd.SetComputeTextureParam(m_Shader, kernel8, _source, source);
cmd.SetComputeTextureParam(m_Shader, kernel1, _source, source);
cmd.SetComputeTextureParam(m_Shader, kernel8, _target, target);
cmd.SetComputeTextureParam(m_Shader, kernel1, _target, target);
if (dispatch8Rect.width > 0 && dispatch8Rect.height > 0)
{
var r = dispatch8Rect;
cmd.SetComputeIntParams(m_Shader, _RectOffset, (int)r.x, (int)r.y);
cmd.DispatchCompute(m_Shader, kernel8, (int)Mathf.Max(r.width / 8, 1), (int)Mathf.Max(r.height / 8, 1), 1);
}
for (int i = 0, c = dispatch1RectCount; i < c; ++i)
{
var r = dispatch1Rects[i];
cmd.SetComputeIntParams(m_Shader, _RectOffset, (int)r.x, (int)r.y);
cmd.DispatchCompute(m_Shader, kernel1, (int)Mathf.Max(r.width, 1), (int)Mathf.Max(r.height, 1), 1);
}
}
}