Unity Shader Difference

Unlit-Color_Unity_2017.shader

Unity 2017

//////////////////////////////////////////
//
// NOTE: This is *not* a valid shader file
//
///////////////////////////////////////////
Shader "Test/Color17" {
Properties {
_Color ("Main Color", Color) = (1,1,1,1)
}
SubShader {
 LOD 100
 Tags { "RenderType" = "Opaque" }
 Pass {
  LOD 100
  Tags { "RenderType" = "Opaque" }
  GpuProgramID 6025
Program "vp" {
SubProgram "gles " {
"#version 100

#ifdef VERTEX
attribute vec4 _glesVertex;
uniform highp mat4 unity_ObjectToWorld;
uniform highp mat4 unity_MatrixVP;
void main ()
{
  highp vec4 tmpvar_1;
  tmpvar_1.w = 1.0;
  tmpvar_1.xyz = _glesVertex.xyz;
  gl_Position = (unity_MatrixVP * (unity_ObjectToWorld * tmpvar_1));
}


#endif
#ifdef FRAGMENT
uniform lowp vec4 _Color;
void main ()
{
  lowp vec4 col_1;
  col_1.xyz = _Color.xyz;
  col_1.w = 1.0;
  gl_FragData[0] = col_1;
}


#endif
"
}
SubProgram "gles3 " {
"#ifdef VERTEX
#version 300 es

uniform 	vec4 hlslcc_mtx4x4unity_ObjectToWorld[4];
uniform 	vec4 hlslcc_mtx4x4unity_MatrixVP[4];
in highp vec4 in_POSITION0;
vec4 u_xlat0;
vec4 u_xlat1;
void main()
{
    u_xlat0 = in_POSITION0.yyyy * hlslcc_mtx4x4unity_ObjectToWorld[1];
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[0] * in_POSITION0.xxxx + u_xlat0;
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[2] * in_POSITION0.zzzz + u_xlat0;
    u_xlat0 = u_xlat0 + hlslcc_mtx4x4unity_ObjectToWorld[3];
    u_xlat1 = u_xlat0.yyyy * hlslcc_mtx4x4unity_MatrixVP[1];
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[0] * u_xlat0.xxxx + u_xlat1;
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[2] * u_xlat0.zzzz + u_xlat1;
    gl_Position = hlslcc_mtx4x4unity_MatrixVP[3] * u_xlat0.wwww + u_xlat1;
    return;
}

#endif
#ifdef FRAGMENT
#version 300 es

precision highp int;
uniform 	mediump vec4 _Color;
layout(location = 0) out mediump vec4 SV_Target0;
void main()
{
    SV_Target0.xyz = _Color.xyz;
    SV_Target0.w = 1.0;
    return;
}

#endif
"
}
}
Program "fp" {
SubProgram "gles " {
""
}
SubProgram "gles3 " {
""
}
}
}
}
}

Unlit-Color_Unity_2019.shader

Unity 2019

//////////////////////////////////////////
//
// NOTE: This is *not* a valid shader file
//
///////////////////////////////////////////
Shader "Test/Color17" {
Properties {
_Color ("Main Color", Color) = (1,1,1,1)
}
SubShader {
 LOD 100
 Tags { "RenderType" = "Opaque" }
 Pass {
  LOD 100
  Tags { "RenderType" = "Opaque" }
  GpuProgramID 10470
Program "vp" {
SubProgram "gles " {
"#ifdef VERTEX
#version 100

uniform 	vec4 hlslcc_mtx4x4unity_ObjectToWorld[4];
uniform 	vec4 hlslcc_mtx4x4unity_MatrixVP[4];
attribute highp vec4 in_POSITION0;
vec4 u_xlat0;
vec4 u_xlat1;
void main()
{
    u_xlat0 = in_POSITION0.yyyy * hlslcc_mtx4x4unity_ObjectToWorld[1];
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[0] * in_POSITION0.xxxx + u_xlat0;
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[2] * in_POSITION0.zzzz + u_xlat0;
    u_xlat0 = u_xlat0 + hlslcc_mtx4x4unity_ObjectToWorld[3];
    u_xlat1 = u_xlat0.yyyy * hlslcc_mtx4x4unity_MatrixVP[1];
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[0] * u_xlat0.xxxx + u_xlat1;
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[2] * u_xlat0.zzzz + u_xlat1;
    gl_Position = hlslcc_mtx4x4unity_MatrixVP[3] * u_xlat0.wwww + u_xlat1;
    return;
}

#endif
#ifdef FRAGMENT
#version 100

#ifdef GL_FRAGMENT_PRECISION_HIGH
    precision highp float;
#else
    precision mediump float;
#endif
precision highp int;
uniform 	mediump vec4 _Color;
#define SV_Target0 gl_FragData[0]
void main()
{
    SV_Target0.xyz = _Color.xyz;
    SV_Target0.w = 1.0;
    return;
}

#endif
"
}
SubProgram "gles3 " {
"#ifdef VERTEX
#version 300 es

#define HLSLCC_ENABLE_UNIFORM_BUFFERS 1
#if HLSLCC_ENABLE_UNIFORM_BUFFERS
#define UNITY_UNIFORM
#else
#define UNITY_UNIFORM uniform
#endif
#define UNITY_SUPPORTS_UNIFORM_LOCATION 1
#if UNITY_SUPPORTS_UNIFORM_LOCATION
#define UNITY_LOCATION(x) layout(location = x)
#define UNITY_BINDING(x) layout(binding = x, std140)
#else
#define UNITY_LOCATION(x)
#define UNITY_BINDING(x) layout(std140)
#endif
uniform 	vec4 hlslcc_mtx4x4unity_ObjectToWorld[4];
uniform 	vec4 hlslcc_mtx4x4unity_MatrixVP[4];
in highp vec4 in_POSITION0;
vec4 u_xlat0;
vec4 u_xlat1;
void main()
{
    u_xlat0 = in_POSITION0.yyyy * hlslcc_mtx4x4unity_ObjectToWorld[1];
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[0] * in_POSITION0.xxxx + u_xlat0;
    u_xlat0 = hlslcc_mtx4x4unity_ObjectToWorld[2] * in_POSITION0.zzzz + u_xlat0;
    u_xlat0 = u_xlat0 + hlslcc_mtx4x4unity_ObjectToWorld[3];
    u_xlat1 = u_xlat0.yyyy * hlslcc_mtx4x4unity_MatrixVP[1];
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[0] * u_xlat0.xxxx + u_xlat1;
    u_xlat1 = hlslcc_mtx4x4unity_MatrixVP[2] * u_xlat0.zzzz + u_xlat1;
    gl_Position = hlslcc_mtx4x4unity_MatrixVP[3] * u_xlat0.wwww + u_xlat1;
    return;
}

#endif
#ifdef FRAGMENT
#version 300 es

precision highp float;
precision highp int;
#define HLSLCC_ENABLE_UNIFORM_BUFFERS 1
#if HLSLCC_ENABLE_UNIFORM_BUFFERS
#define UNITY_UNIFORM
#else
#define UNITY_UNIFORM uniform
#endif
#define UNITY_SUPPORTS_UNIFORM_LOCATION 1
#if UNITY_SUPPORTS_UNIFORM_LOCATION
#define UNITY_LOCATION(x) layout(location = x)
#define UNITY_BINDING(x) layout(binding = x, std140)
#else
#define UNITY_LOCATION(x)
#define UNITY_BINDING(x) layout(std140)
#endif
uniform 	mediump vec4 _Color;
layout(location = 0) out mediump vec4 SV_Target0;
void main()
{
    SV_Target0.xyz = _Color.xyz;
    SV_Target0.w = 1.0;
    return;
}

#endif
"
}
}
Program "fp" {
SubProgram "gles " {
""
}
SubProgram "gles3 " {
""
}
}
}
}
}