shaders/unlit.h

   1 #ifndef SHADER_unlit_H
   2 #define SHADER_unlit_H
   3 static void shader_unlit_link(void);
   4 static void shader_unlit_register(void);
   5 static struct vg_shader _shader_unlit = {
   6    .name = "unlit",
   7    .link = shader_unlit_link,
   8    .vs =
   9 {
  10 .orig_file = "../shaders/standard.vs",
  11 .static_src =
  12 "layout (location=0) in vec3 a_co;\n"
  13 "layout (location=1) in vec3 a_norm;\n"
  14 "layout (location=2) in vec4 a_colour;\n"
  15 "layout (location=3) in vec2 a_uv;\n"
  16 "\n"
  17 "#line      2        0 \n"
  18 "\n"
  19 "uniform mat4 uPv;\n"
  20 "uniform mat4x3 uMdl;\n"
  21 "\n"
  22 "out vec4 aColour;\n"
  23 "out vec2 aUv;\n"
  24 "out vec3 aNorm;\n"
  25 "out vec3 aCo;\n"
  26 "\n"
  27 "void main()\n"
  28 "{\n"
  29 "   gl_Position = uPv * vec4( uMdl * vec4(a_co,1.0), 1.0 );\n"
  30 "   aColour = a_colour;\n"
  31 "   aUv = a_uv;\n"
  32 "   aNorm = mat3(uMdl) * a_norm;\n"
  33 "   aCo = a_co;\n"
  34 "}\n"
  35 ""},
  36    .fs =
  37 {
  38 .orig_file = "../shaders/unlit.fs",
  39 .static_src =
  40 "out vec4 FragColor;\n"
  41 "\n"
  42 "uniform sampler2D uTexMain;\n"
  43 "uniform vec4 uColour;\n"
  44 "\n"
  45 "in vec4 aColour;\n"
  46 "in vec2 aUv;\n"
  47 "in vec3 aNorm;\n"
  48 "in vec3 aCo;\n"
  49 "\n"
  50 "void main()\n"
  51 "{\n"
  52 "   vec3 diffuse = texture( uTexMain, aUv ).rgb;\n"
  53 "   FragColor = vec4(pow(diffuse,vec3(1.0)),1.0);\n"
  54 "}\n"
  55 ""},
  56 };
  57
  58 static GLuint _uniform_unlit_uPv;
  59 static GLuint _uniform_unlit_uMdl;
  60 static GLuint _uniform_unlit_uTexMain;
  61 static GLuint _uniform_unlit_uColour;
  62 static void shader_unlit_uPv(m4x4f m){
  63    glUniformMatrix4fv( _uniform_unlit_uPv, 1, GL_FALSE, (float *)m );
  64 }
  65 static void shader_unlit_uMdl(m4x3f m){
  66    glUniformMatrix4x3fv( _uniform_unlit_uMdl, 1, GL_FALSE, (float *)m );
  67 }
  68 static void shader_unlit_uTexMain(int i){
  69    glUniform1i( _uniform_unlit_uTexMain, i );
  70 }
  71 static void shader_unlit_uColour(v4f v){
  72    glUniform4fv( _uniform_unlit_uColour, 1, v );
  73 }
  74 static void shader_unlit_register(void){
  75    vg_shader_register( &_shader_unlit );
  76 }
  77 static void shader_unlit_use(void){ glUseProgram(_shader_unlit.id); }
  78 static void shader_unlit_link(void){
  79    _uniform_unlit_uPv = glGetUniformLocation( _shader_unlit.id, "uPv" );
  80    _uniform_unlit_uMdl = glGetUniformLocation( _shader_unlit.id, "uMdl" );
  81    _uniform_unlit_uTexMain = glGetUniformLocation( _shader_unlit.id, "uTexMain" );
  82    _uniform_unlit_uColour = glGetUniformLocation( _shader_unlit.id, "uColour" );
  83 }
  84 #endif /* SHADER_unlit_H */