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#ifndef MBGL_SHADER_SDF_SHADER
#define MBGL_SHADER_SDF_SHADER
#include <mbgl/shader/shader.hpp>
#include <mbgl/shader/uniform.hpp>
namespace mbgl {
class SDFShader : public Shader {
public:
SDFShader();
virtual void bind(char *offset) = 0;
UniformMatrix<4> u_matrix = {"u_matrix", *this};
UniformMatrix<4> u_exmatrix = {"u_exmatrix", *this};
Uniform<std::array<float, 4>> u_color = {"u_color", *this};
Uniform<std::array<float, 2>> u_texsize = {"u_texsize", *this};
Uniform<float> u_buffer = {"u_buffer", *this};
Uniform<float> u_gamma = {"u_gamma", *this};
Uniform<float> u_zoom = {"u_zoom", *this};
Uniform<float> u_fadedist = {"u_fadedist", *this};
Uniform<float> u_minfadezoom = {"u_minfadezoom", *this};
Uniform<float> u_maxfadezoom = {"u_maxfadezoom", *this};
Uniform<float> u_fadezoom = {"u_fadezoom", *this};
Uniform<int32_t> u_skewed = {"u_skewed", *this};
Uniform<float> u_extra = {"u_extra", *this};
protected:
int32_t a_pos = -1;
int32_t a_offset = -1;
int32_t a_data1 = -1;
int32_t a_data2 = -1;
};
class SDFGlyphShader : public SDFShader {
public:
void bind(char *offset);
};
class SDFIconShader : public SDFShader {
public:
void bind(char *offset);
};
}
#endif
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