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@header #include "cglm/cglm.h"
@vs vs_text
in vec2 in_position;
in vec2 in_uv;
layout(binding = 0) uniform text_params {
mat4 mvp;
vec4 color;
};
out vec2 out_uv;
out vec4 out_color;
void main() {
gl_Position = mvp * vec4(in_position, 0.0, 1.0);
out_uv = in_uv;
out_color = color;
}
@end
@fs fs_text
layout(binding = 0) uniform texture2D u_texture;
layout(binding = 1) uniform sampler u_sampler;
in vec2 out_uv;
in vec4 out_color;
out vec4 frag_color;
void main() {
float alpha = texture(sampler2D(u_texture, u_sampler), out_uv).r;
frag_color = vec4(out_color.rgb, out_color.a * alpha);
}
@end
@program text vs_text fs_text
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