mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-01 11:56:58 -05:00
61 lines
2 KiB
Text
61 lines
2 KiB
Text
|
#include <metal_stdlib>
|
||
|
|
using namespace metal;
|
||
|
|
struct xlatMtlShaderInput {
|
||
|
|
float4 _glesVertex [[attribute(0)]];
|
||
|
|
};
|
||
|
|
struct xlatMtlShaderOutput {
|
||
|
|
float4 gl_Position [[position]];
|
||
|
|
float3 xlv_TEXCOORD2;
|
||
|
|
};
|
||
|
|
struct xlatMtlShaderUniform {
|
||
|
|
float3 _WorldSpaceCameraPos;
|
||
|
|
float4x4 glstate_matrix_mvp;
|
||
|
|
float4x4 _World2Object;
|
||
|
|
float3 _TerrainTreeLightDirections[4];
|
||
|
|
};
|
||
|
|
vertex xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]])
|
||
|
|
{
|
||
|
|
xlatMtlShaderOutput _mtl_o;
|
||
|
|
float3 viewDir_1;
|
||
|
|
float3 tmpvar_2;
|
||
|
|
float4 tmpvar_3;
|
||
|
|
tmpvar_3.w = 1.0;
|
||
|
|
tmpvar_3.xyz = _mtl_u._WorldSpaceCameraPos;
|
||
|
|
viewDir_1 = normalize(((_mtl_u._World2Object * tmpvar_3).xyz - _mtl_i._glesVertex.xyz));
|
||
|
|
half backContrib_4;
|
||
|
|
float tmpvar_5;
|
||
|
|
tmpvar_5 = clamp (dot (viewDir_1, -(_mtl_u._TerrainTreeLightDirections[0])), 0.0, 1.0);
|
||
|
|
backContrib_4 = half(tmpvar_5);
|
||
|
|
float3 tmpvar_6;
|
||
|
|
tmpvar_6.yz = tmpvar_2.yz;
|
||
|
|
tmpvar_6.x = float((backContrib_4 * (half)2.0));
|
||
|
|
half backContrib_7;
|
||
|
|
float tmpvar_8;
|
||
|
|
tmpvar_8 = clamp (dot (viewDir_1, -(_mtl_u._TerrainTreeLightDirections[1])), 0.0, 1.0);
|
||
|
|
backContrib_7 = half(tmpvar_8);
|
||
|
|
float3 tmpvar_9;
|
||
|
|
tmpvar_9.xz = tmpvar_6.xz;
|
||
|
|
tmpvar_9.y = float((backContrib_7 * (half)2.0));
|
||
|
|
half backContrib_10;
|
||
|
|
float tmpvar_11;
|
||
|
|
tmpvar_11 = clamp (dot (viewDir_1, -(_mtl_u._TerrainTreeLightDirections[2])), 0.0, 1.0);
|
||
|
|
backContrib_10 = half(tmpvar_11);
|
||
|
|
float3 tmpvar_12;
|
||
|
|
tmpvar_12.xy = tmpvar_9.xy;
|
||
|
|
tmpvar_12.z = float((backContrib_10 * (half)2.0));
|
||
|
|
tmpvar_2 = tmpvar_12;
|
||
|
|
_mtl_o.gl_Position = (_mtl_u.glstate_matrix_mvp * _mtl_i._glesVertex);
|
||
|
|
_mtl_o.xlv_TEXCOORD2 = tmpvar_12;
|
||
|
|
return _mtl_o;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// stats: 17 alu 0 tex 0 flow
|
||
|
|
// inputs: 1
|
||
|
|
// #0: _glesVertex (high float) 4x1 [-1] loc 0
|
||
|
|
// uniforms: 4 (total size: 208)
|
||
|
|
// #0: _WorldSpaceCameraPos (high float) 3x1 [-1] loc 0
|
||
|
|
// #1: glstate_matrix_mvp (high float) 4x4 [-1] loc 16
|
||
|
|
// #2: _World2Object (high float) 4x4 [-1] loc 80
|
||
|
|
// #3: _TerrainTreeLightDirections (high float) 3x1 [4] loc 144
|