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 .orig_file = "shaders/routeui.vs",
  11 .static_src =
  12 "layout (location=0) in vec2 a_co;\n"
  13 "\n"
  14 "uniform vec4 uOffset;\n"
  15 "\n"
  16 "void main()\n"
  17 "{\n"
  18 "   vec2 vpos = a_co * uOffset.zw + uOffset.xy;\n"
  19 "   gl_Position = vec4(vpos,0.0,1.0);\n"
  20 "}\n"
  21 ""},
  22    .fs =
  23 {
  24 .orig_file = "shaders/routeui.fs",
  25 .static_src =
  26 "out vec4 FragColor;\n"
  27 "\n"
  28 "uniform vec4 uColour;\n"
  29 "\n"
  30 "void main()\n"
  31 "{\n"
  32 "   FragColor = uColour;\n"
  33 "}\n"
  34 ""},
  35 };
  36
  37 static GLuint _uniform_routeui_uOffset;
  38 static GLuint _uniform_routeui_uColour;
  39 static void shader_routeui_uOffset(v4f v){
  40    glUniform4fv(_uniform_routeui_uOffset,1,v);
  41 }
  42 static void shader_routeui_uColour(v4f v){
  43    glUniform4fv(_uniform_routeui_uColour,1,v);
  44 }
  45 static void shader_routeui_register(void){
  46    vg_shader_register( &_shader_routeui );
  47 }
  48 static void shader_routeui_use(void){ glUseProgram(_shader_routeui.id); }
  49 static void shader_routeui_link(void){
  50    _uniform_routeui_uOffset = glGetUniformLocation( _shader_routeui.id, "uOffset" );
  51    _uniform_routeui_uColour = glGetUniformLocation( _shader_routeui.id, "uColour" );
  52 }
  53 #endif /* SHADER_routeui_H */