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Use bitwise on motion blur shader
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@papadanku
papadanku committed Feb 13, 2022
1 parent a562ef0 commit 09a9a95
Showing 1 changed file with 48 additions and 41 deletions.
89 changes: 48 additions & 41 deletions shaders/cMotionBlur.fx
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Original file line number Diff line number Diff line change
Expand Up @@ -33,16 +33,23 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#define POW2SIZE uint(256)
#define POW2SIZE_0 uint(256)
#define POW2SIZE_1 uint(POW2SIZE_0 >> 1)
#define POW2SIZE_2 uint(POW2SIZE_0 >> 2)
#define POW2SIZE_3 uint(POW2SIZE_0 >> 3)
#define POW2SIZE_4 uint(POW2SIZE_0 >> 4)
#define POW2SIZE_5 uint(POW2SIZE_0 >> 5)
#define POW2SIZE_6 uint(POW2SIZE_0 >> 6)
#define POW2SIZE_7 uint(POW2SIZE_0 >> 7)

namespace SharedResources
{
namespace RG16F
{
texture2D _RenderTemporary1a
{
Width = BUFFER_WIDTH / 2;
Height = BUFFER_HEIGHT / 2;
Width = BUFFER_WIDTH >> 1;
Height = BUFFER_HEIGHT >> 1;
Format = RG16F;
MipLevels = 8;
};
Expand All @@ -51,74 +58,74 @@ namespace SharedResources
{
texture2D _RenderTemporary0a
{
Width = POW2SIZE;
Height = POW2SIZE;
Width = POW2SIZE_0;
Height = POW2SIZE_0;
Format = RG16F;
MipLevels = 8;
};

texture2D _RenderTemporary0b
{
Width = POW2SIZE;
Height = POW2SIZE;
Width = POW2SIZE_0;
Height = POW2SIZE_0;
Format = RG16F;
MipLevels = 8;
};

texture2D _RenderTemporary0c
{
Width = POW2SIZE;
Height = POW2SIZE;
Width = POW2SIZE_0;
Height = POW2SIZE_0;
Format = RG16F;
MipLevels = 8;
};

texture2D _RenderTemporary1
{
Width = POW2SIZE / 2;
Height = POW2SIZE / 2;
Width = POW2SIZE_1;
Height = POW2SIZE_1;
Format = RG16F;
};

texture2D _RenderTemporary2
{
Width = POW2SIZE / 4;
Height = POW2SIZE / 4;
Width = POW2SIZE_2;
Height = POW2SIZE_2;
Format = RG16F;
};

texture2D _RenderTemporary3
{
Width = POW2SIZE / 8;
Height = POW2SIZE / 8;
Width = POW2SIZE_3;
Height = POW2SIZE_3;
Format = RG16F;
};

texture2D _RenderTemporary4
{
Width = POW2SIZE / 16;
Height = POW2SIZE / 16;
Width = POW2SIZE_4;
Height = POW2SIZE_4;
Format = RG16F;
};

texture2D _RenderTemporary5
{
Width = POW2SIZE / 32;
Height = POW2SIZE / 32;
Width = POW2SIZE_5;
Height = POW2SIZE_5;
Format = RG16F;
};

texture2D _RenderTemporary6
{
Width = POW2SIZE / 64;
Height = POW2SIZE / 64;
Width = POW2SIZE_6;
Height = POW2SIZE_6;
Format = RG16F;
};

texture2D _RenderTemporary7
{
Width = POW2SIZE / 128;
Height = POW2SIZE / 128;
Width = POW2SIZE_7;
Height = POW2SIZE_7;
Format = RG16F;
};
}
Expand Down Expand Up @@ -220,8 +227,8 @@ namespace MotionBlur

texture2D _RenderData3
{
Width = POW2SIZE;
Height = POW2SIZE;
Width = POW2SIZE_0;
Height = POW2SIZE_0;
Format = RG16F;
MipLevels = 8;
};
Expand Down Expand Up @@ -292,8 +299,8 @@ namespace MotionBlur

texture2D _RenderTemporary0
{
Width = POW2SIZE / 1;
Height = POW2SIZE / 1;
Width = POW2SIZE_0;
Height = POW2SIZE_0;
Format = RG16F;
};

Expand Down Expand Up @@ -355,27 +362,27 @@ namespace MotionBlur

void Downsample1VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 DownsampleCoords[4] : TEXCOORD0)
{
DownsampleVS(ID, 1.0 / ldexp(POW2SIZE, -1.0), Position, DownsampleCoords);
DownsampleVS(ID, 1.0 / POW2SIZE_0, Position, DownsampleCoords);
}

void Downsample2VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 DownsampleCoords[4] : TEXCOORD0)
{
DownsampleVS(ID, 1.0 / ldexp(POW2SIZE, -2.0), Position, DownsampleCoords);
DownsampleVS(ID, 1.0 / POW2SIZE_1, Position, DownsampleCoords);
}

void Upsample1VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
UpsampleVS(ID, 1.0 / ldexp(POW2SIZE, -1.0), Position, UpsampleCoords);
UpsampleVS(ID, 1.0 / POW2SIZE_1, Position, UpsampleCoords);
}

void Upsample0VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
UpsampleVS(ID, 1.0 / ldexp(POW2SIZE, 0.0), Position, UpsampleCoords);
UpsampleVS(ID, 1.0 / POW2SIZE_0, Position, UpsampleCoords);
}

void DerivativesVS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord : TEXCOORD0)
{
const float2 PixelSize = 0.5 / POW2SIZE;
const float2 PixelSize = 0.5 / POW2SIZE_0;
const float4 PixelOffset = float4(PixelSize, -PixelSize);
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
Expand All @@ -386,49 +393,49 @@ namespace MotionBlur
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -6.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_6, UpsampleCoords);
}

void EstimateLevel5VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -5.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_5, UpsampleCoords);
}

void EstimateLevel4VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -4.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_4, UpsampleCoords);
}

void EstimateLevel3VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -3.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_3, UpsampleCoords);
}

void EstimateLevel2VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -2.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_2, UpsampleCoords);
}

void EstimateLevel1VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, -1.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_1, UpsampleCoords);
}

void EstimateLevel0VS(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 UpsampleCoords[3] : TEXCOORD0)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
UpsampleOffsets(TexCoord0, 1.0 / ldexp(POW2SIZE, 0.0), UpsampleCoords);
UpsampleOffsets(TexCoord0, 1.0 / POW2SIZE_0, UpsampleCoords);
}

// Pixel shaders
Expand Down Expand Up @@ -539,7 +546,7 @@ namespace MotionBlur

void NormalizePS(in float4 Position : SV_Position, in float2 TexCoord : TEXCOORD0, out float2 OutputColor0 : SV_Target0)
{
const float Minima = exp2(-8.0);
const float Minima = exp2(-8.0);
float3 Color = max(tex2D(_SampleColor, TexCoord).rgb, Minima);
OutputColor0 = saturate(Color.xy / dot(Color, 1.0));
}
Expand Down Expand Up @@ -646,7 +653,7 @@ namespace MotionBlur
const int Samples = 4;
float Noise = frac(52.9829189 * frac(dot(Position.xy, float2(0.06711056, 0.00583715))));
float FrameTimeRatio = _TargetFrameRate / (1e+3 / _FrameTime);
float2 Velocity = (tex2Dlod(_SamplePOW2Temporary0c, float4(TexCoord, 0.0, _MipBias)).xy / POW2SIZE) * _Scale;
float2 Velocity = (tex2Dlod(_SamplePOW2Temporary0c, float4(TexCoord, 0.0, _MipBias)).xy / POW2SIZE_0) * _Scale;
Velocity /= (_FrameRateScaling) ? FrameTimeRatio : 1.0;

for(int k = 0; k < Samples; ++k)
Expand Down

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