Skip to content

Commit

Permalink
Bitwise operators pt. 1
Browse files Browse the repository at this point in the history
  • Loading branch information
@papadanku
papadanku committed Feb 12, 2022
1 parent 02466d7 commit a562ef0
Show file tree
Hide file tree
Showing 3 changed files with 152 additions and 136 deletions.
125 changes: 66 additions & 59 deletions shaders/cBloom.fx
View file
Original file line number Diff line number Diff line change
Expand Up @@ -33,64 +33,73 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#define BUFFER_SIZE_1 uint2(BUFFER_WIDTH >> 1, BUFFER_HEIGHT >> 1)
#define BUFFER_SIZE_2 uint2(BUFFER_WIDTH >> 2, BUFFER_HEIGHT >> 2)
#define BUFFER_SIZE_3 uint2(BUFFER_WIDTH >> 3, BUFFER_HEIGHT >> 3)
#define BUFFER_SIZE_4 uint2(BUFFER_WIDTH >> 4, BUFFER_HEIGHT >> 4)
#define BUFFER_SIZE_5 uint2(BUFFER_WIDTH >> 5, BUFFER_HEIGHT >> 5)
#define BUFFER_SIZE_6 uint2(BUFFER_WIDTH >> 6, BUFFER_HEIGHT >> 6)
#define BUFFER_SIZE_7 uint2(BUFFER_WIDTH >> 7, BUFFER_HEIGHT >> 7)
#define BUFFER_SIZE_8 uint2(BUFFER_WIDTH >> 8, BUFFER_HEIGHT >> 8)

namespace SharedResources
{
namespace RGBA16F
{
texture2D _RenderTemporary1 < pooled = true; >
{
Width = BUFFER_WIDTH / 2;
Height = BUFFER_HEIGHT / 2;
Width = BUFFER_SIZE_1.x;
Height = BUFFER_SIZE_1.y;
Format = RGBA16F;
MipLevels = 8;
};

texture2D _RenderTemporary2 < pooled = true; >
{
Width = BUFFER_WIDTH / 4;
Height = BUFFER_HEIGHT / 4;
Width = BUFFER_SIZE_2.x;
Height = BUFFER_SIZE_2.y;
Format = RGBA16F;
};

texture2D _RenderTemporary3 < pooled = true; >
{
Width = BUFFER_WIDTH / 8;
Height = BUFFER_HEIGHT / 8;
Width = BUFFER_SIZE_3.x;
Height = BUFFER_SIZE_3.y;
Format = RGBA16F;
};

texture2D _RenderTemporary4 < pooled = true; >
{
Width = BUFFER_WIDTH / 16;
Height = BUFFER_HEIGHT / 16;
Width = BUFFER_SIZE_4.x;
Height = BUFFER_SIZE_4.y;
Format = RGBA16F;
};

texture2D _RenderTemporary5 < pooled = true; >
{
Width = BUFFER_WIDTH / 32;
Height = BUFFER_HEIGHT / 32;
Width = BUFFER_SIZE_5.x;
Height = BUFFER_SIZE_5.y;
Format = RGBA16F;
};

texture2D _RenderTemporary6 < pooled = true; >
{
Width = BUFFER_WIDTH / 64;
Height = BUFFER_HEIGHT / 64;
Width = BUFFER_SIZE_6.x;
Height = BUFFER_SIZE_6.y;
Format = RGBA16F;
};

texture2D _RenderTemporary7 < pooled = true; >
{
Width = BUFFER_WIDTH / 128;
Height = BUFFER_HEIGHT / 128;
Width = BUFFER_SIZE_7.x;
Height = BUFFER_SIZE_7.y;
Format = RGBA16F;
};

texture2D _RenderTemporary8 < pooled = true; >
{
Width = BUFFER_WIDTH / 256;
Height = BUFFER_HEIGHT / 256;
Width = BUFFER_SIZE_8.x;
Height = BUFFER_SIZE_8.y;
Format = RGBA16F;
};
}
Expand Down Expand Up @@ -214,11 +223,10 @@ void PostProcessVS(in uint ID : SV_VertexID, out float4 Position : SV_Position,
Position = float4(TexCoord * float2(2.0, -2.0) + float2(-1.0, 1.0), 0.0, 1.0);
}

void DownsampleVS(in uint ID, out float4 Position, out float4 TexCoord[4], float Factor)
void DownsampleVS(in uint ID, out float4 Position, out float4 TexCoord[4], float2 PixelSize)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
const float2 PixelSize = 1.0 / uint2(ldexp(float2(BUFFER_WIDTH, BUFFER_HEIGHT), -Factor));
// Quadrant
TexCoord[0] = TexCoord0.xyxy + float4(-1.0, -1.0, 1.0, 1.0) * PixelSize.xyxy;
// Left column
Expand All @@ -229,11 +237,10 @@ void DownsampleVS(in uint ID, out float4 Position, out float4 TexCoord[4], float
TexCoord[3] = TexCoord0.xyyy + float4(2.0, 2.0, 0.0, -2.0) * PixelSize.xyyy;
}

void UpsampleVS(in uint ID, out float4 Position, out float4 TexCoord[3], float Factor)
void UpsampleVS(in uint ID, out float4 Position, out float4 TexCoord[3], float2 PixelSize)
{
float2 TexCoord0;
PostProcessVS(ID, Position, TexCoord0);
const float2 PixelSize = 1.0 / uint2(ldexp(float2(BUFFER_WIDTH, BUFFER_HEIGHT), -Factor));
// Left column
TexCoord[0] = TexCoord0.xyyy + float4(-2.0, 2.0, 0.0, -2.0) * PixelSize.xyyy;
// Center column
Expand All @@ -244,72 +251,72 @@ void UpsampleVS(in uint ID, out float4 Position, out float4 TexCoord[3], float F

void DownsampleVS1(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 1.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_1);
}

void DownsampleVS2(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 2.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_2);
}

void DownsampleVS3(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 3.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_3);
}

void DownsampleVS4(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 4.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_4);
}

void DownsampleVS5(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 5.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_5);
}

void DownsampleVS6(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 6.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_6);
}

void DownsampleVS7(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[4] : TEXCOORD0)
{
DownsampleVS(ID, Position, TexCoord, 7.0);
DownsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_7);
}

void UpsampleVS7(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_7);
}

void UpsampleVS6(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 7.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_6);
}

void UpsampleVS5(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 6.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_5);
}

void UpsampleVS4(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 5.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_4);
}

void UpsampleVS3(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 4.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_3);
}

void UpsampleVS2(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 3.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_2);
}

void UpsampleVS1(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 2.0);
}

void UpsampleVS0(in uint ID : SV_VertexID, out float4 Position : SV_Position, out float4 TexCoord[3] : TEXCOORD0)
{
UpsampleVS(ID, Position, TexCoord, 1.0);
UpsampleVS(ID, Position, TexCoord, 1.0 / BUFFER_SIZE_1);
}

// Pixel shaders
Expand Down Expand Up @@ -454,37 +461,37 @@ void DownsamplePS7(in float4 Position : SV_Position, in float4 TexCoord[4] : TEX
Downsample(_SampleTemporary_RGBA16F_7, TexCoord, OutputColor0);
}

void UpsamplePS6(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS7(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_8, TexCoord, OutputColor0);
}

void UpsamplePS5(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS6(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_7, TexCoord, OutputColor0);
}

void UpsamplePS4(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS5(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_6, TexCoord, OutputColor0);
}

void UpsamplePS3(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS4(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_5, TexCoord, OutputColor0);
}

void UpsamplePS2(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS3(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_4, TexCoord, OutputColor0);
}

void UpsamplePS1(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS2(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_3, TexCoord, OutputColor0);
}

void UpsamplePS0(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
void UpsamplePS1(in float4 Position : SV_Position, in float4 TexCoord[3] : TEXCOORD0, out float4 OutputColor0 : SV_Target0)
{
Upsample(_SampleTemporary_RGBA16F_2, TexCoord, OutputColor0);
}
Expand Down Expand Up @@ -561,8 +568,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS6;
PixelShader = UpsamplePS6;
VertexShader = UpsampleVS7;
PixelShader = UpsamplePS7;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary7;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -573,8 +580,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS5;
PixelShader = UpsamplePS5;
VertexShader = UpsampleVS6;
PixelShader = UpsamplePS6;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary6;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -585,8 +592,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS4;
PixelShader = UpsamplePS4;
VertexShader = UpsampleVS5;
PixelShader = UpsamplePS5;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary5;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -597,8 +604,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS3;
PixelShader = UpsamplePS3;
VertexShader = UpsampleVS4;
PixelShader = UpsamplePS4;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary4;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -609,8 +616,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS2;
PixelShader = UpsamplePS2;
VertexShader = UpsampleVS3;
PixelShader = UpsamplePS3;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary3;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -621,8 +628,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS1;
PixelShader = UpsamplePS1;
VertexShader = UpsampleVS2;
PixelShader = UpsamplePS2;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary2;
ClearRenderTargets = FALSE;
BlendEnable = TRUE;
Expand All @@ -633,8 +640,8 @@ technique cBloom

pass
{
VertexShader = UpsampleVS0;
PixelShader = UpsamplePS0;
VertexShader = UpsampleVS1;
PixelShader = UpsamplePS1;
RenderTarget0 = SharedResources::RGBA16F::_RenderTemporary1;
}

Expand Down
4 changes: 2 additions & 2 deletions shaders/cBlur.fx
View file
Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,8 @@ namespace SharedResources
{
texture2D _RenderTemporary1 < pooled = true; >
{
Width = BUFFER_WIDTH / 2;
Height = BUFFER_HEIGHT / 2;
Width = BUFFER_WIDTH >> 1;
Height = BUFFER_HEIGHT >> 1;
Format = RGBA8;
MipLevels = 8;
};
Expand Down
Loading

0 comments on commit a562ef0

Please sign in to comment.