triangle.hpp

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#pragma once
 
#include <string_view>
 
namespace wren::shaders {
 
std::string_view const TRIANGLE_VERT_SHADER = R"(
#version 450
 
layout(location = 0) out vec3 fragColor;
 
vec2 positions[3] = vec2[](
    vec2(0.0, -0.5),
    vec2(0.5, 0.5),
    vec2(-0.5, 0.5)
);
 
vec3 colors[3] = vec3[](
    vec3(1.0, 0.0, 0.0),
    vec3(0.0, 1.0, 0.0),
    vec3(0.0, 0.0, 1.0)
);
 
void main() {
    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
    fragColor = colors[gl_VertexIndex];
}
 
)";
 
std::string_view const TRIANGLE_FRAG_SHADER = R"(
#version 450
 
layout(location = 0) in vec3 fragColor;
 
layout(location = 0) out vec4 outColor;
 
void main() {
    outColor = vec4(fragColor, 1.0);
}
)";
 
}  // namespace wren::shaders