mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 17:18:12 -05:00
55 lines
1.9 KiB
Text
55 lines
1.9 KiB
Text
|
#version 300 es
|
||
|
|
||
|
#define gl_Vertex _glesVertex
|
||
|
in highp vec4 _glesVertex;
|
||
|
#define gl_Normal _glesNormal
|
||
|
in mediump vec3 _glesNormal;
|
||
|
#define gl_MultiTexCoord0 _glesMultiTexCoord0
|
||
|
in highp vec4 _glesMultiTexCoord0;
|
||
|
|
||
|
struct v2f {
|
||
|
highp vec4 pos;
|
||
|
lowp vec4 color;
|
||
|
highp vec2 uv;
|
||
|
};
|
||
|
uniform mediump vec4 unity_LightColor[8];
|
||
|
uniform highp vec4 unity_LightPosition[8];
|
||
|
uniform mediump vec4 unity_LightAtten[8];
|
||
|
uniform highp mat4 glstate_matrix_mvp;
|
||
|
uniform highp mat4 glstate_matrix_modelview0;
|
||
|
uniform highp mat4 glstate_matrix_invtrans_modelview0;
|
||
|
uniform highp vec4 glstate_lightmodel_ambient;
|
||
|
uniform mediump vec4 _Color;
|
||
|
|
||
|
highp vec3 ShadeLights( in highp vec3 vertex, in highp vec3 normal ) {
|
||
|
highp vec3 viewpos = (glstate_matrix_modelview0 * vec4( vertex, 1.0)).xyz;
|
||
|
highp vec3 viewN = (mat3( glstate_matrix_invtrans_modelview0) * normal);
|
||
|
highp vec3 lightColor = glstate_lightmodel_ambient.xyz;
|
||
|
highp int i = 0;
|
||
|
for ( ; (i < 4); (i++))
|
||
|
{
|
||
|
highp vec3 toLight = (unity_LightPosition[i].xyz - (viewpos.xyz * unity_LightPosition[i].w));
|
||
|
highp float lengthSq = dot( toLight, toLight);
|
||
|
highp float atten = (1.0 / (1.0 + (lengthSq * unity_LightAtten[i].z)));
|
||
|
highp float diff = max( 0.0, dot( viewN, normalize(toLight)));
|
||
|
lightColor += (unity_LightColor[i].xyz * (diff * atten));
|
||
|
}
|
||
|
return (lightColor * vec3( _Color));
|
||
|
}
|
||
|
v2f vert( in highp vec3 v, in highp vec3 n, in highp vec2 uv ) {
|
||
|
v2f o;
|
||
|
o.pos = (glstate_matrix_mvp * vec4(v, 1.0));
|
||
|
o.color = vec4( (ShadeLights(v, n) * 2.0), 1.0);
|
||
|
o.uv = uv;
|
||
|
return o;
|
||
|
}
|
||
|
out lowp vec4 xlv_COLOR0;
|
||
|
out highp vec2 xlv_TEXCOORD0;
|
||
|
void main() {
|
||
|
v2f xl_retval;
|
||
|
xl_retval = vert( vec3(gl_Vertex), vec3(gl_Normal), vec2(gl_MultiTexCoord0));
|
||
|
gl_Position = vec4(xl_retval.pos);
|
||
|
xlv_COLOR0 = vec4(xl_retval.color);
|
||
|
xlv_TEXCOORD0 = vec2(xl_retval.uv);
|
||
|
}
|