Unity (проблемы, решения, перспективы) (128 стр)

            [maxvertexcount(3)]
            void geom(triangle v2g input[3], inout TriangleStream<v2f> OutputStream)
            {
              float3 v0 = input[0].xyz;
              float3 v1 = input[1].xyz;
              float3 v2 = input[2].xyz;

              if (dot(v0, cross(v2 - v0, v1 - v0)) < 0) {
                OutputStream.Append(input[0].frag);
                OutputStream.Append(input[1].frag);
                OutputStream.Append(input[2].frag);
              }
              OutputStream.RestartStrip();
            }

            [maxvertexcount(3)]
            void geom(triangle v2g input[3], inout TriangleStream<v2f> OutputStream)
            {
              float3 v0 = input[0].xyz;
              float3 v1 = input[1].xyz;
              float3 v2 = input[2].xyz;
              float3 v4 = min(max(v0, v2), v2);

              if (dot(v0, cross(v2 - v0, v1 - v4)) < 0) {
                OutputStream.Append(input[0].frag);
                OutputStream.Append(input[1].frag);
                OutputStream.Append(input[2].frag);
              }
              OutputStream.RestartStrip();
            }

Shader Disassembly:
#ifdef VERTEX
#version 410
#extension GL_ARB_explicit_attrib_location : require

#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_MatrixV[4];
uniform   vec4 hlslcc_mtx4x4unity_MatrixVP[4];
uniform   vec4 _MainTex_ST;
in  vec4 in_POSITION0;
in  vec2 in_TEXCOORD0;
layout(location = 0) out vec3 vs_TEXCOORD2;
layout(location = 1) flat out uint vs_TEXCOORD1;
layout(location = 2) out vec2 vs_TEXCOORD0;
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.xyz = u_xlat0.yyy * hlslcc_mtx4x4unity_MatrixV[1].xyz;
    u_xlat1.xyz = hlslcc_mtx4x4unity_MatrixV[0].xyz * u_xlat0.xxx + u_xlat1.xyz;
    u_xlat1.xyz = hlslcc_mtx4x4unity_MatrixV[2].xyz * u_xlat0.zzz + u_xlat1.xyz;
    vs_TEXCOORD2.xyz = hlslcc_mtx4x4unity_MatrixV[3].xyz * u_xlat0.www + u_xlat1.xyz;
    vs_TEXCOORD1 = uint(gl_VertexID);
    vs_TEXCOORD0.xy = in_TEXCOORD0.xy * _MainTex_ST.xy + _MainTex_ST.zw;
    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 410
#extension GL_ARB_explicit_attrib_location : require

#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
UNITY_LOCATION(0) uniform  sampler2D _MainTex;
layout(location = 0) in  vec2 gs_TEXCOORD0;
layout(location = 0) out vec4 SV_Target0;
void main()
{
    SV_Target0 = texture(_MainTex, gs_TEXCOORD0.xy);
    return;
}

#endif
#ifdef GEOMETRY
#version 410
#extension GL_ARB_explicit_attrib_location : require

layout(location = 0) in  vec3 vs_TEXCOORD2 [3];
layout(location = 1) flat in  uint vs_TEXCOORD1 [3];
layout(location = 2) in  vec2 vs_TEXCOORD0 [3];
vec3 u_xlat0;
bool u_xlatb0;
vec3 u_xlat1;
vec3 u_xlat2;
layout(triangles) in;
layout(triangle_strip) out;
layout(location = 0) out vec2 gs_TEXCOORD0;
layout(max_vertices = 3) out;
void main()
{
    u_xlat0.xyz = (-vs_TEXCOORD2[0].zxy) + vs_TEXCOORD2[2].zxy;
    u_xlat1.xyz = (-vs_TEXCOORD2[0].yzx) + vs_TEXCOORD2[1].yzx;
    u_xlat2.xyz = u_xlat0.xyz * u_xlat1.xyz;
    u_xlat0.xyz = u_xlat0.zxy * u_xlat1.yzx + (-u_xlat2.xyz);
    u_xlat0.x = dot(vs_TEXCOORD2[0].xyz, u_xlat0.xyz);
    u_xlatb0 = u_xlat0.x<0.0;
    if(u_xlatb0){
        gs_TEXCOORD0.xy = vs_TEXCOORD0[0].xy;
        gl_Position = gl_in[0].gl_Position;
        EmitVertex();
        gs_TEXCOORD0.xy = vs_TEXCOORD0[1].xy;
        gl_Position = gl_in[1].gl_Position;
        EmitVertex();
        gs_TEXCOORD0.xy = vs_TEXCOORD0[2].xy;
        gl_Position = gl_in[2].gl_Position;
        EmitVertex();
    }
    EndPrimitive();
    return;
}

#endif

Shader Disassembly:
//
// Generated by Microsoft (R) D3D Shader Disassembler
//
//
// Input signature:
//
// Name                 Index   Mask Register SysValue  Format   Used
// -------------------- ----- ------ -------- -------- ------- ------
// TEXCOORD                 2   xyz         0     NONE   float   xyz 
// TEXCOORD                 1   x           1     NONE    uint       
// TEXCOORD                 0   xy          2     NONE   float   xy  
// SV_POSITION              0   xyzw        3      POS   float   xyzw
//
//
// Output signature:
//
// Name                 Index   Mask Register SysValue  Format   Used
// -------------------- ----- ------ -------- -------- ------- ------
// TEXCOORD                 0   xy          0     NONE   float   xy  
// SV_POSITION              0   xyzw        1      POS   float   xyzw
//
      gs_4_0
      dcl_input v[3][0].xyz
      dcl_input v[3][1].x
      dcl_input v[3][2].xy
      dcl_input_siv v[3][3].xyzw, position
      dcl_temps 3
      dcl_inputprimitive triangle 
      dcl_outputtopology trianglestrip 
      dcl_output o0.xy
      dcl_output_siv o1.xyzw, position
      dcl_maxout 3
   0: add r0.xyz, -v[0][0].zxyz, v[2][0].zxyz
   1: add r1.xyz, -v[0][0].yzxy, v[1][0].yzxy
   2: mul r2.xyz, r0.xyzx, r1.xyzx
   3: mad r0.xyz, r0.zxyz, r1.yzxy, -r2.xyzx
   4: dp3 r0.x, v[0][0].xyzx, r0.xyzx
   5: lt r0.x, r0.x, l(0.000000)
   6: if_nz r0.x
   7:   mov o0.xy, v[0][2].xyxx
   8:   mov o1.xyzw, v[0][3].xyzw
   9:   emit 
  10:   mov o0.xy, v[1][2].xyxx
  11:   mov o1.xyzw, v[1][3].xyzw
  12:   emit 
  13:   mov o0.xy, v[2][2].xyxx
  14:   mov o1.xyzw, v[2][3].xyzw
  15:   emit 
  16: endif 
  17: cut 
  18: ret 
// Approximately 0 instruction slots used

  //////////////////////////////////
  //                              //
  //      Compiled programs       //
  //                              //
  //////////////////////////////////
//////////////////////////////////////////////////////
Keywords set in this variant: WorldSpace 
-- Hardware tier variant: Tier 1
-- Vertex shader for "gles3":
Shader Disassembly:
#ifdef VERTEX
#version 310 es

uniform   float _PixelSizeMultiplier;
 struct _Items_type {
  uint[11] value;
};

layout(std430, binding = 0) readonly buffer _Items {  <------- строка 19
  _Items_type _Items_buf[];
};
 struct _Matrices_type {
  uint[16] value;
};

layout(std430, binding = 1) readonly buffer _Matrices {
  _Matrices_type _Matrices_buf[];
};
layout(location = 0) out highp vec4 vs_POSITION1;
layout(location = 1) out mediump vec4 vs_COLOR0;
layout(location = 2) out mediump vec4 vs_COLOR1;
layout(location = 3) out mediump float vs_COLOR2;
mediump  vec4 phase0_Output0_4;
layout(location = 4) out mediump float vs_COLOR3;   <------- строка 34
vec4 u_xlat0;
mediump vec4 u_xlat16_0;
uvec2 u_xlatu0;
vec2 u_xlat1;
mediump vec4 u_xlat16_1;
mediump vec4 u_xlat16_2;
...