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/* clang-format off */
#[modes]
mode_default =
#[specializations]
USE_EXTERNAL_SAMPLER = false
#[vertex]
layout(location = 0) in vec2 vertex_attrib;
out vec2 uv_interp;
void main() {
uv_interp = vertex_attrib * 0.5 + 0.5;
gl_Position = vec4(vertex_attrib, 1.0, 1.0);
}
/* clang-format off */
#[fragment]
layout(location = 0) out vec4 frag_color;
in vec2 uv_interp;
/* clang-format on */
#ifdef USE_EXTERNAL_SAMPLER
uniform samplerExternalOES sourceFeed; // texunit:0
#else
uniform sampler2D sourceFeed; // texunit:0
#endif
void main() {
vec4 color = texture(sourceFeed, uv_interp);
frag_color = color;
}
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