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#include <mbgl/shader/outline_shader.hpp>
#include <mbgl/shader/shaders.hpp>
#include <mbgl/platform/gl.hpp>
#include <cstdio>
using namespace mbgl;
OutlineShader::OutlineShader()
: Shader(
"outline",
shaders[OUTLINE_SHADER].vertex,
shaders[OUTLINE_SHADER].fragment
) {
if (!valid) {
fprintf(stderr, "invalid outline shader\n");
return;
}
a_pos = glGetAttribLocation(program, "a_pos");
}
void OutlineShader::bind(char *offset) {
glEnableVertexAttribArray(a_pos);
glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 0, offset);
}
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