1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
#include <mbgl/shader/box_shader.hpp>
#include <mbgl/shader/shaders.hpp>
#include <mbgl/platform/gl.hpp>
#include <cstdio>
using namespace mbgl;
CollisionBoxShader::CollisionBoxShader()
: Shader(
"collisionbox",
shaders[BOX_SHADER].vertex,
shaders[BOX_SHADER].fragment
) {
a_extrude = MBGL_CHECK_ERROR(glGetAttribLocation(program, "a_extrude"));
a_data = MBGL_CHECK_ERROR(glGetAttribLocation(program, "a_data"));
}
void CollisionBoxShader::bind(GLbyte *offset) {
const int stride = 12;
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_pos));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_pos, 2, GL_SHORT, false, stride, offset + 0));
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_extrude));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_extrude, 2, GL_SHORT, false, stride, offset + 4));
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_data));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_data, 2, GL_UNSIGNED_BYTE, false, stride, offset + 8));
}
|
