shaders/routeui.h

   1 #ifndef SHADER_routeui_H
   2 #define SHADER_routeui_H
   3 static void shader_routeui_link(void);
   4 static void shader_routeui_register(void);
   5 static struct vg_shader _shader_routeui = {
   6    .name = "routeui",
   7    .link = shader_routeui_link,
   8    .vs =
   9 {
  10 .static_src =
  11 "layout (location=0) in vec2 a_co;\n"
  12 "\n"
  13 "uniform vec4 uOffset;\n"
  14 "\n"
  15 "void main()\n"
  16 "{\n"
  17 "   vec2 vpos = a_co * uOffset.zw + uOffset.xy;\n"
  18 "   gl_Position = vec4(vpos,0.0,1.0);\n"
  19 "}\n"
  20 ""},
  21    .fs =
  22 {
  23 .static_src =
  24 "out vec4 FragColor;\n"
  25 "\n"
  26 "uniform vec4 uColour;\n"
  27 "\n"
  28 "void main()\n"
  29 "{\n"
  30 "   FragColor = uColour;\n"
  31 "}\n"
  32 ""},
  33 };
  34
  35 static GLuint _uniform_routeui_uOffset;
  36 static GLuint _uniform_routeui_uColour;
  37 static void shader_routeui_uOffset(v4f v){
  38    glUniform4fv(_uniform_routeui_uOffset,1,v);
  39 }
  40 static void shader_routeui_uColour(v4f v){
  41    glUniform4fv(_uniform_routeui_uColour,1,v);
  42 }
  43 static void shader_routeui_register(void){
  44    vg_shader_register( &_shader_routeui );
  45 }
  46 static void shader_routeui_use(void){ glUseProgram(_shader_routeui.id); }
  47 static void shader_routeui_link(void){
  48    _uniform_routeui_uOffset = glGetUniformLocation( _shader_routeui.id, "uOffset" );
  49    _uniform_routeui_uColour = glGetUniformLocation( _shader_routeui.id, "uColour" );
  50 }
  51 #endif /* SHADER_routeui_H */