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/icon_shader.hpp>
#include <mbgl/shader/icon.vertex.hpp>
#include <mbgl/shader/icon.fragment.hpp>
#include <mbgl/gl/gl.hpp>
namespace mbgl {
IconShader::IconShader(gl::Context& context, Defines defines)
: Shader(shaders::icon::name,
shaders::icon::vertex,
shaders::icon::fragment,
context, defines) {
}
void IconShader::bind(int8_t* offset) {
const GLsizei stride = 16;
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_pos));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_pos, 2, GL_SHORT, false, stride, offset + 0));
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_offset));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_offset, 2, GL_SHORT, false, stride, offset + 4));
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_texture_pos));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_texture_pos, 2, GL_UNSIGNED_SHORT, false, stride, offset + 8));
MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_data));
MBGL_CHECK_ERROR(glVertexAttribPointer(a_data, 4, GL_UNSIGNED_BYTE, false, stride, offset + 12));
}
} // namespace mbgl
|