#pragma once

#include <string>

inline const std::string QUADVERTSRC = R"#(
uniform mat3 proj;
uniform vec4 color;
attribute vec2 pos;
attribute vec2 texcoord;
varying vec4 v_color;
varying vec2 v_texcoord;

void main() {
    gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
    v_color = color;
    v_texcoord = texcoord;
})#";

inline const std::string QUADFRAGSRC = R"#(
precision mediump float;
varying vec4 v_color;
varying vec2 v_texcoord;

void main() {
    gl_FragColor = v_color;
})#";

inline const std::string TEXVERTSRC = R"#(
uniform mat3 proj;
attribute vec2 pos;
attribute vec2 texcoord;
varying vec2 v_texcoord;

void main() {
	gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
	v_texcoord = texcoord;
})#";

inline const std::string TEXFRAGSRCRGBA = R"#(
precision mediump float;
varying vec2 v_texcoord;
uniform sampler2D tex;
uniform float alpha;

void main() {
	gl_FragColor = texture2D(tex, v_texcoord) * alpha;
})#";

inline const std::string TEXFRAGSRCRGBX = R"#(
precision mediump float;
varying vec2 v_texcoord;
uniform sampler2D tex;
uniform float alpha;

void main() {
	gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0) * alpha;
})#";

inline const std::string TEXFRAGSRCEXT = R"#(
#extension GL_OES_EGL_image_external : require

precision mediump float;
varying vec2 v_texcoord;
uniform samplerExternalOES texture0;
uniform float alpha;

void main() {
	gl_FragColor = texture2D(texture0, v_texcoord) * alpha;
})#";