您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
58 行
1.5 KiB
58 行
1.5 KiB
#include "../../Core/ShaderLibrary/Common.hlsl"
|
|
|
|
#define SOURCE(n) _Source##n
|
|
#define RESULT(n) _Result##n
|
|
#define SOURCE_DECLARATION(n) Texture2D<float##n> SOURCE(n)
|
|
#define RESULT_DECLARATION(n) RWTexture2D<float##n> RESULT(n)
|
|
|
|
SOURCE_DECLARATION(1);
|
|
SOURCE_DECLARATION(2);
|
|
SOURCE_DECLARATION(3);
|
|
SOURCE_DECLARATION(4);
|
|
RESULT_DECLARATION(1);
|
|
RESULT_DECLARATION(2);
|
|
RESULT_DECLARATION(3);
|
|
RESULT_DECLARATION(4);
|
|
|
|
SamplerState sampler_LinearClamp;
|
|
|
|
CBUFFER_START(cb)
|
|
float4 _Size;
|
|
CBUFFER_END
|
|
|
|
#define KERNEL_SAMPLECOPY(sourceN, resultN, subscript) [numthreads(8, 8, 1)]\
|
|
void KSampleCopy##sourceN##_##resultN##_##subscript(uint2 dispatchThreadId : SV_DispatchThreadID)\
|
|
{\
|
|
RESULT(resultN)[dispatchThreadId] = SOURCE(sourceN).SampleLevel(sampler_LinearClamp, float2(dispatchThreadId) * _Size.zw, 0.0).subscript;\
|
|
}
|
|
|
|
// Source R
|
|
#pragma kernel KSampleCopy1_1_x
|
|
KERNEL_SAMPLECOPY(1, 1, x);
|
|
|
|
// Source RG
|
|
// Result R
|
|
#pragma kernel KSampleCopy2_1_x
|
|
KERNEL_SAMPLECOPY(2, 1, x);
|
|
#pragma kernel KSampleCopy2_1_y
|
|
KERNEL_SAMPLECOPY(2, 1, y);
|
|
// Result RG
|
|
#pragma kernel KSampleCopy2_2_xx
|
|
KERNEL_SAMPLECOPY(2, 2, xx);
|
|
#pragma kernel KSampleCopy2_2_xy
|
|
KERNEL_SAMPLECOPY(2, 2, xy);
|
|
#pragma kernel KSampleCopy2_2_yx
|
|
KERNEL_SAMPLECOPY(2, 2, yx);
|
|
#pragma kernel KSampleCopy2_2_yy
|
|
KERNEL_SAMPLECOPY(2, 2, yy);
|
|
|
|
// Source RGBA
|
|
// Result R
|
|
#pragma kernel KSampleCopy4_1_x
|
|
KERNEL_SAMPLECOPY(4, 1, x);
|
|
#pragma kernel KSampleCopy4_1_y
|
|
KERNEL_SAMPLECOPY(4, 1, y);
|
|
#pragma kernel KSampleCopy4_1_z
|
|
KERNEL_SAMPLECOPY(4, 1, z);
|
|
#pragma kernel KSampleCopy4_1_w
|
|
KERNEL_SAMPLECOPY(4, 1, w);
|