Files
MapLibreParticleLab/src/shader/dot_shader.cpp
2014-09-04 16:22:25 -07:00

27 lines
571 B
C++

#include <mbgl/shader/dot_shader.hpp>
#include <mbgl/shader/shaders.hpp>
#include <mbgl/platform/gl.hpp>
#include <cstdio>
using namespace mbgl;
DotShader::DotShader()
: Shader(
"dot",
shaders[DOT_SHADER].vertex,
shaders[DOT_SHADER].fragment
) {
if (!valid) {
fprintf(stderr, "invalid dot shader\n");
return;
}
a_pos = glGetAttribLocation(program, "a_pos");
}
void DotShader::bind(char *offset) {
glEnableVertexAttribArray(a_pos);
glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 8, offset);
}