/*2d title screen*/

#include<cglm/affine.h>
#include<cglm/cglm.h>
#include"mino.h"
#include"graph.h"
#include"scene.h"

_ mat4 win_proj;

_ U32 shader_tex;
_ IM C shader_tex_vert[]=GRAPH_GLSL(
  layout (location=0) in vec3 pos;
  layout (location=1) in vec3 col;
  layout (location=2) in vec2 tex;
  out vec3 Col;
  out vec2 Tex;
  uniform mat4 proj;
  uniform mat4 model;
  void main(){gl_Position=proj*model*vec4(pos,1.0);Col=col;Tex=tex;});
_ IM C shader_tex_frag[]=GRAPH_GLSL(
  out vec4 Frag;
  in vec3 Col;
  in vec2 Tex;
  uniform sampler2D buf;
  void main(){Frag=texture(buf,Tex);});
_ V shader_tex_init(V){
  shader_tex=graph_shader_create(shader_tex_vert,shader_tex_frag),
  graph_shader_use(shader_tex),
  graph_shader_setM4("proj",win_proj),
  graph_shader_setI("buf",0);}

_ U32 tex_cat;
_ V title_init(V){
  glm_ortho(0,graph_win_w,0,graph_win_h,0,4,win_proj),
  shader_tex_init();
  tex_cat=graph_tex_create("res/tex/cat.jpg");}

_ V title_loop(V){/*prelude*/graph_before(),graph_events();
  glm_ortho(0,graph_win_w,0,graph_win_h,0,4,win_proj),
  /*interlude*/
  graph_shader_use(shader_tex),graph_shader_setM4("proj",win_proj),
  graph_tex_use(tex_cat,0),
  graph_quad_xywh(graph_win_w/2.0,graph_win_h/2.0,256,256),
  /*postlude*/
  graph_after();}

_ Scene*title_run(V){title_init();WH(1,title_loop());R 0;}
Scene scene_title={"title",title_run};