mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-04 21:31:11 -05:00
56 lines
1.3 KiB
Text
56 lines
1.3 KiB
Text
|
struct v2f_vertex_lit {
|
||
|
vec2 uv;
|
||
|
vec4 diff;
|
||
|
vec4 spec;
|
||
|
};
|
||
|
struct v2f_img {
|
||
|
vec4 pos;
|
||
|
vec2 uv;
|
||
|
};
|
||
|
struct appdata_img {
|
||
|
vec4 vertex;
|
||
|
vec2 texcoord;
|
||
|
};
|
||
|
struct v2f {
|
||
|
vec4 vertex;
|
||
|
vec4 uvgrab;
|
||
|
vec2 uvbump;
|
||
|
vec2 uvmain;
|
||
|
};
|
||
|
struct appdata_t {
|
||
|
vec4 vertex;
|
||
|
vec2 texcoord;
|
||
|
};
|
||
|
|
||
|
|
||
|
|
||
|
vec2 MultiplyUV( in mat4 mat, in vec2 inUV );
|
||
|
v2f vert( in appdata_t v );
|
||
|
vec2 MultiplyUV( in mat4 mat, in vec2 inUV ) {
|
||
|
vec4 temp;
|
||
|
temp = vec4( inUV.x , inUV.y , 0.000000, 0.000000);
|
||
|
temp = ( mat * temp );
|
||
|
return temp.xy ;
|
||
|
}
|
||
|
v2f vert( in appdata_t v ) {
|
||
|
v2f o;
|
||
|
float scale = 1.00000;
|
||
|
o.vertex = ( gl_ModelViewProjectionMatrix * v.vertex );
|
||
|
o.uvgrab.xy = ((vec2( o.vertex.x , (o.vertex.y * scale)) + o.vertex.w ) * 0.500000);
|
||
|
o.uvgrab.zw = o.vertex.zw ;
|
||
|
o.uvbump = MultiplyUV( gl_TextureMatrix[1], v.texcoord);
|
||
|
o.uvmain = MultiplyUV( gl_TextureMatrix[2], v.texcoord);
|
||
|
return o;
|
||
|
}
|
||
|
void main() {
|
||
|
v2f xl_retval;
|
||
|
appdata_t xlt_v;
|
||
|
xlt_v.vertex = vec4( gl_Vertex);
|
||
|
xlt_v.texcoord = vec2( gl_MultiTexCoord0);
|
||
|
xl_retval = vert( xlt_v);
|
||
|
gl_Position = vec4( xl_retval.vertex);
|
||
|
gl_TexCoord[0] = vec4( xl_retval.uvgrab);
|
||
|
gl_TexCoord[1] = vec4( xl_retval.uvbump, 0.0, 0.0);
|
||
|
gl_TexCoord[2] = vec4( xl_retval.uvmain, 0.0, 0.0);
|
||
|
}
|