// Copyright (c) 2017-2020 Xiamen Yaji Software Co., Ltd.

#pragma define-meta USE_INSTANCING editor(elevated: true)

#include <common/common-define>

struct StandardVertInput {
  highp vec4 position;
  vec3 normal;
  vec4 tangent;
};

layout(location = 0) in vec3 a_position;
layout(location = 1) in vec3 a_normal;
layout(location = 2) in vec2 a_texCoord;
layout(location = 3) in vec4 a_tangent;

#if CC_USE_SKINNING
  #if __VERSION__ > 310
    // strictly speaking this should be u16vec4, but due to poor driver support
    // somehow it seems we can get better results on many platforms using u32vec4
    layout(location = 4) in u32vec4 a_joints;
  #else
    #pragma format(RGBA16UI)
    layout(location = 4) in vec4 a_joints;
  #endif

  layout(location = 5) in vec4 a_weights;
#endif


#if USE_INSTANCING
  #if CC_USE_BAKED_ANIMATION
    in highp vec4 a_jointAnimInfo; // frameID, totalJoints, offset
  #endif
  in vec4 a_matWorld0;
  in vec4 a_matWorld1;
  in vec4 a_matWorld2;
  #if CC_USE_LIGHTMAP
    in vec4 a_lightingMapUVParam;
  #endif

  // TODO (jk20012001)
  #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW
  // temporary hack for effect-parser: can't detect logic OR.
    #if CC_RECEIVE_SHADOW
    #endif
    in vec4 a_localShadowBiasAndProbeId; // x:shadow bias, y:shadow normal bias, z: reflection probe id, w: reserved for blend reflection probe id
  #endif

  #if CC_USE_REFLECTION_PROBE
    in vec4 a_reflectionProbeData; // x:reflection probe blend weight
  #endif

  #if CC_USE_LIGHT_PROBE
    in vec4 a_sh_linear_const_r;
    in vec4 a_sh_linear_const_g;
    in vec4 a_sh_linear_const_b;
  #endif
#endif

#if CC_USE_MORPH
  #if __VERSION__ < 450
    in float a_vertexId;
    int getVertexId() {
      return int(a_vertexId);
    }
  #else
    int getVertexId() {
      return gl_VertexIndex; // vulkan convension
    }
  #endif
#endif