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
43 行
930 B
43 行
930 B
#ifndef __SHADERBASE_H__
|
|
#define __SHADERBASE_H__
|
|
|
|
// can't use UNITY_REVERSED_Z since it's not enabled in compute shaders
|
|
#if !defined(SHADER_API_GLES3) && !defined(SHADER_API_GLCORE)
|
|
#define REVERSE_ZBUF
|
|
#endif
|
|
|
|
#ifdef SHADER_API_PSSL
|
|
|
|
#ifndef Texture2DMS
|
|
#define Texture2DMS MS_Texture2D
|
|
#endif
|
|
|
|
#ifndef SampleCmpLevelZero
|
|
#define SampleCmpLevelZero SampleCmpLOD0
|
|
#endif
|
|
|
|
#ifndef firstbithigh
|
|
#define firstbithigh FirstSetBit_Hi
|
|
#endif
|
|
|
|
#endif
|
|
|
|
float FetchDepth(Texture2D depthTexture, uint2 pixCoord)
|
|
{
|
|
float zdpth = LOAD_TEXTURE2D(depthTexture, pixCoord.xy).x;
|
|
#ifdef REVERSE_ZBUF
|
|
zdpth = 1.0 - zdpth;
|
|
#endif
|
|
return zdpth;
|
|
}
|
|
|
|
float FetchDepthMSAA(Texture2DMS<float> depthTexture, uint2 pixCoord, uint sampleIdx)
|
|
{
|
|
float zdpth = LOAD_TEXTURE2D_MSAA(depthTexture, pixCoord.xy, sampleIdx).x;
|
|
#ifdef REVERSE_ZBUF
|
|
zdpth = 1.0 - zdpth;
|
|
#endif
|
|
return zdpth;
|
|
}
|
|
|
|
#endif
|