src/mbgl/shader/outline_shader.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

#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
    ) {
    a_pos = MBGL_CHECK_ERROR(glGetAttribLocation(program, "a_pos"));
}

void OutlineShader::bind(char *offset) {
    MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_pos));
    MBGL_CHECK_ERROR(glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 0, offset));
}