shaders/blitcolour.h

   1 #ifndef SHADER_blitcolour_H
   2 #define SHADER_blitcolour_H
   3 static void shader_blitcolour_link(void);
   4 static void shader_blitcolour_register(void);
   5 static struct vg_shader _shader_blitcolour = {
   6    .name = "blitcolour",
   7    .link = shader_blitcolour_link,
   8    .vs =
   9 {
  10 .static_src =
  11 "layout (location=0) in vec2 a_co;\n"
  12 "out vec2 aUv;\n"
  13 "\n"
  14 "void main()\n"
  15 "{\n"
  16 "   gl_Position = vec4(a_co*2.0-1.0,0.0,1.0);\n"
  17 "   aUv = a_co;\n"
  18 "}\n"
  19 ""},
  20    .fs =
  21 {
  22 .static_src =
  23 "out vec4 FragColor;\n"
  24 "uniform vec4 uColour;\n"
  25 "\n"
  26 "in vec2 aUv;\n"
  27 "\n"
  28 "void main()\n"
  29 "{\n"
  30 "   FragColor = uColour;\n"
  31 "}\n"
  32 ""},
  33 };
  34
  35 static GLuint _uniform_blitcolour_uColour;
  36 static void shader_blitcolour_uColour(v4f v){
  37    glUniform4fv(_uniform_blitcolour_uColour,1,v);
  38 }
  39 static void shader_blitcolour_register(void){
  40    vg_shader_register( &_shader_blitcolour );
  41 }
  42 static void shader_blitcolour_use(void){ glUseProgram(_shader_blitcolour.id); }
  43 static void shader_blitcolour_link(void){
  44    _uniform_blitcolour_uColour = glGetUniformLocation( _shader_blitcolour.id, "uColour" );
  45 }
  46 #endif /* SHADER_blitcolour_H */