internal static void BuildMipmaps(RwTexId texture)
{
RC.DeviceContext.ComputeShader.Set(m_mipmap);
var mipLevels = texture.Description2d.MipLevels;
var side = texture.Description2d.Width;
for (int j = 0; j < 6; ++j)
{
var mipSide = side;
for (int i = 1; i < mipLevels; ++i)
{
ComputeShaderId.TmpUav[0] = texture.SubresourceUav(j, i);
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.ComputeShader.SetShaderResource(0, texture.SubresourceSrv(j, i - 1));
RC.DeviceContext.Dispatch((mipSide + 7) / 8, (mipSide + 7) / 8, 1);
RC.DeviceContext.ComputeShader.SetShaderResource(0, null);
mipSide >>= 1;
}
}
ComputeShaderId.TmpUav[0] = null;
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.ComputeShader.Set(null);
}
internal static void Prefilter(RwTexId probe, RwTexId prefiltered)
{
RC.DeviceContext.ComputeShader.Set(m_prefilter);
var mipLevels = prefiltered.Description2d.MipLevels;
var side = prefiltered.Description2d.Width;
uint probeSide = (uint)probe.Description2d.Width;
ConstantsBufferId constantBuffer = MyCommon.GetObjectCB(32);
RC.CSSetCB(1, constantBuffer);
RC.DeviceContext.ComputeShader.SetShaderResource(0, probe.ShaderView);
RC.DeviceContext.ComputeShader.SetSamplers(0, MyRender11.StandardSamplers);
for (int j = 0; j < 6; ++j)
{
int mipSide = side;
for (int i = 0; i < mipLevels; ++i)
{
uint samplesNum = i == 0 ? 1u : 64u;
uint mipSideUint = (uint)mipSide;
uint ju = (uint)j;
float mipLevelFactor = 1 - (i / (float)(mipLevels - 1));
var mapping = MyMapping.MapDiscard(constantBuffer);
mapping.WriteAndPosition(ref samplesNum);
mapping.WriteAndPosition(ref probeSide);
mapping.WriteAndPosition(ref mipSideUint);
mapping.WriteAndPosition(ref ju);
mapping.WriteAndPosition(ref mipLevelFactor);
mapping.Unmap();
ComputeShaderId.TmpUav[0] = prefiltered.SubresourceUav(j, i);
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.Dispatch((mipSide + 7) / 8, (mipSide + 7) / 8, 1);
mipSide >>= 1;
}
}
ComputeShaderId.TmpUav[0] = null;
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.ComputeShader.SetShaderResource(0, null);
RC.DeviceContext.ComputeShader.Set(null);
}
internal static void Blend(RwTexId dst, RwTexId src0, RwTexId src1, float blendWeight)
{
//MyImmediateRC.RC.Context.CopyResource(src1.Resource, dst.Resource);
RC.DeviceContext.ComputeShader.Set(m_blend);
var mipLevels = dst.Description2d.MipLevels;
var side = dst.Description2d.Width;
RC.CSSetCB(1, MyCommon.GetObjectCB(32));
RC.DeviceContext.ComputeShader.SetSamplers(0, MyRender11.StandardSamplers);
for (int j = 0; j < 6; ++j)
{
var mipSide = side;
for (int i = 0; i < mipLevels; ++i)
{
uint samplesNum = i == 0 ? 1u : 64u;
var blendConstantData = new MyBlendData {
field0 = 0, field1 = 0, MipSide = (uint)mipSide, field2 = 0, W = blendWeight
};
var mapping = MyMapping.MapDiscard(MyCommon.GetObjectCB(32));
mapping.WriteAndPosition(ref blendConstantData);
mapping.Unmap();
RC.DeviceContext.ComputeShader.SetShaderResource(0, src0.SubresourceSrv(j, i));
RC.DeviceContext.ComputeShader.SetShaderResource(1, src1.SubresourceSrv(j, i));
// The single parameter version of SetUnorderedAccessView allocates
ComputeShaderId.TmpUav[0] = dst.SubresourceUav(j, i);
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.Dispatch((mipSide + 7) / 8, (mipSide + 7) / 8, 1);
mipSide >>= 1;
}
}
ComputeShaderId.TmpUav[0] = null;
RC.DeviceContext.ComputeShader.SetUnorderedAccessViews(0, ComputeShaderId.TmpUav, ComputeShaderId.TmpCount);
RC.DeviceContext.ComputeShader.SetShaderResource(0, null);
RC.DeviceContext.ComputeShader.SetShaderResource(1, null);
RC.DeviceContext.ComputeShader.Set(null);
}
internal static void Blend(RwTexId dst, RwTexId src0, RwTexId src1, float w)
{
//MyImmediateRC.RC.Context.CopyResource(src1.Resource, dst.Resource);
RC.Context.ComputeShader.Set(m_blend);
var mipLevels = dst.Description2d.MipLevels;
var side = dst.Description2d.Width;
RC.CSSetCB(1, MyCommon.GetObjectCB(32));
RC.Context.ComputeShader.SetSamplers(0, MyRender11.StandardSamplers);
for (int j = 0; j < 6; ++j)
{
var mipSide = side;
for (int i = 0; i < mipLevels; ++i)
{
uint samplesNum = i == 0 ? 1u : 64u;
var mapping = MyMapping.MapDiscard(MyCommon.GetObjectCB(32));
mapping.stream.Write((uint)0);
mapping.stream.Write((uint)0);
mapping.stream.Write((uint)mipSide);
mapping.stream.Write((uint)0);
mapping.stream.Write(w);
mapping.Unmap();
RC.Context.ComputeShader.SetShaderResources(0, src0.SubresourceSrv(j, i), src1.SubresourceSrv(j, i));
RC.Context.ComputeShader.SetUnorderedAccessView(0, dst.SubresourceUav(j, i));
RC.Context.Dispatch((mipSide + 7) / 8, (mipSide + 7) / 8, 1);
mipSide >>= 1;
}
}
RC.Context.ComputeShader.SetUnorderedAccessView(0, null);
RC.Context.ComputeShader.SetShaderResources(0, null, null);
RC.Context.ComputeShader.Set(null);
}
internal static void Prefilter(RwTexId probe, RwTexId prefiltered)
{
RC.Context.ComputeShader.Set(m_prefilter);
var mipLevels = prefiltered.Description2d.MipLevels;
var side = prefiltered.Description2d.Width;
var probeSide = probe.Description2d.Width;
RC.CSSetCB(1, MyCommon.GetObjectCB(32));
RC.Context.ComputeShader.SetShaderResource(0, probe.ShaderView);
RC.Context.ComputeShader.SetSamplers(0, MyRender11.StandardSamplers);
for (int j = 0; j < 6; ++j)
{
var mipSide = side;
for (int i = 0; i < mipLevels; ++i)
{
uint samplesNum = i == 0 ? 1u : 64u;
var mapping = MyMapping.MapDiscard(MyCommon.GetObjectCB(32));
mapping.stream.Write((uint)samplesNum);
mapping.stream.Write((uint)probeSide);
mapping.stream.Write((uint)mipSide);
mapping.stream.Write((uint)j);
mapping.stream.Write(1 - (i / (float)(mipLevels - 1)));
mapping.Unmap();
RC.Context.ComputeShader.SetUnorderedAccessView(0, prefiltered.SubresourceUav(j, i));
RC.Context.Dispatch((mipSide + 7) / 8, (mipSide + 7) / 8, 1);
mipSide >>= 1;
}
}
RC.Context.ComputeShader.SetUnorderedAccessView(0, null);
RC.Context.ComputeShader.SetShaderResource(0, null);
RC.Context.ComputeShader.Set(null);
}