public bool Bake(TextureCube texture, RenderWrap renderWrap, ref object tag)
{
var tex = renderWrap.GetTex2D(Source);
if (tex == null || tex.Status != GraphicsObjectStatus.loaded)
{
return(false);
}
renderWrap.SetRootSignature("Csu");
int width = texture.width;
int height = texture.height;
var writer = renderWrap.Writer;
writer.Write(width);
writer.Write(height);
writer.SetCBV(0);
renderWrap.SetSRVs(new string[] { Source });
renderWrap.SetUAV(texture, 0, 0);
renderWrap.Dispatch("ConvertToCube.hlsl", null, width / 8, height / 8, 6);
for (int i = 1; i < texture.mipLevels; i++)
{
int mipPow = 1 << i;
renderWrap.SetSRVLim(texture, i - 1, 0);
renderWrap.SetUAV(texture, i, 0);
writer.Write(width / mipPow);
writer.Write(height / mipPow);
writer.Write(i - 1);
writer.SetCBV(0);
renderWrap.Dispatch("GenerateCubeMipMap.hlsl", null, width / mipPow / 8, height / mipPow / 8, 6);
}
return(true);
}
public void Execute(RenderWrap renderWrap)
{
var texInput = renderWrap.GetRenderTexture2D(input);
var texOutput = renderWrap.GetRenderTexture2D(output);
int width = texInput.width;
int height = texInput.height;
renderWrap.SetRootSignature(rs);
renderWrap.SetSRV(texInput, 0);
renderWrap.SetUAV(texOutput, 0, 0);
var writer = renderWrap.Writer;
writer.Write(width);
writer.Write(height);
writer.SetCBV(0);
renderWrap.Dispatch(shader, null, (width + 15) / 16, (height + 15) / 16);
int x = width;
int y = height;
for (int i = 1; i < 9; i++)
{
x = (x + 1) / 2;
y = (y + 1) / 2;
writer.Write(x);
writer.Write(y);
writer.SetCBV(0);
renderWrap.SetSRVLim(texOutput, i - 1, 0);
renderWrap.SetUAV(texOutput, i, 0);
renderWrap.Dispatch(shader, null, (x + 15) / 16, (y + 15) / 16);
}
}