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#pragma once
#include <mbgl/gl/gl.hpp>
#include <mbgl/gl/object.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/optional.hpp>
namespace mbgl {
namespace gl {
class Context;
} // namespace gl
class Shader : private util::noncopyable {
public:
~Shader();
const char* name;
gl::ProgramID getID() const {
return program.get();
}
virtual void bind(GLbyte *offset) = 0;
enum Defines : bool {
None = false,
Overdraw = true,
};
protected:
Shader(const char* name_,
const char* vertex,
const char* fragment,
gl::Context&,
Defines defines = Defines::None);
static constexpr GLint a_pos = 0;
static constexpr GLint a_extrude = 1;
static constexpr GLint a_offset = 2;
static constexpr GLint a_data = 3;
static constexpr GLint a_texture_pos = 4;
private:
bool compileShader(gl::UniqueShader&, const GLchar *source);
gl::UniqueProgram program;
gl::UniqueShader vertexShader;
gl::UniqueShader fragmentShader;
};
} // namespace mbgl
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