GLUP_context_ES.h

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#ifndef GEOGRAM_GFX_GLUP_GLUP_CONTEXT_ES
#define GEOGRAM_GFX_GLUP_GLUP_CONTEXT_ES
 
#include <geogram_gfx/basic/common.h>
#include <geogram_gfx/GLUP/GLUP_context.h>
 
#ifdef GEO_GL_ES2
 
namespace GLUP {
    using namespace GEO;
 
    /*********************************************************************/
 
    class Context_ES2 : public Context {
    public:
 
        Context_ES2();
 
        ~Context_ES2() override;
 
        void begin(GLUPprimitive primitive) override;
 
        void end() override;
 
        const char* profile_name() const override;
 
        void setup() override;
 
        bool primitive_supports_array_mode(GLUPprimitive prim) const override;
 
 
        void get_primitive_pseudo_file(
            std::vector<GLSL::Source>& sources
        ) override;
 
        void get_vertex_shader_preamble_pseudo_file(
            std::vector<GLSL::Source>& sources
        ) override;
 
        void get_fragment_shader_preamble_pseudo_file(
            std::vector<GLSL::Source>& sources
        ) override;
 
        void get_toggles_pseudo_file(
            std::vector<GLSL::Source>& sources
        ) override;
 
    protected:
 
        void prepare_to_draw(GLUPprimitive primitive) override;
 
        void done_draw(GLUPprimitive primitive) override;
 
        Memory::pointer get_state_variable_address(const char* name) override;
 
        void do_update_uniform_buffer() override;
 
        void copy_uniform_state_to_current_program() override;
 
        void update_base_picking_id(GLint new_value) override;
 
        void setup_GLUP_POINTS() override;
 
        void setup_GLUP_LINES() override;
 
        void setup_GLUP_THICK_LINES() override;
 
        void setup_primitive_generic(
            index_t nb_elements_per_glup_primitive,
            index_t* element_indices
        );
 
        void setup_GLUP_TRIANGLES() override;
 
        void setup_GLUP_QUADS() override;
 
        void setup_GLUP_TETRAHEDRA() override;
 
        void setup_GLUP_PRISMS() override;
 
        void setup_GLUP_HEXAHEDRA() override;
 
        void setup_GLUP_PYRAMIDS() override;
 
        void setup_GLUP_CONNECTORS() override;
 
        void setup_GLUP_SPHERES() override;
 
        void flush_immediate_buffers() override;
 
 
        bool cell_by_cell_clipping() const;
 
        bool sliced_cells_clipping() const;
 
        void flush_immediate_buffers_with_cell_by_cell_clipping();
 
        void flush_immediate_buffers_with_sliced_cells_clipping();
 
 
    private:
        index_t nb_clip_cells_elements_;
        Numeric::uint16* clip_cells_elements_;
 
        GLuint clip_cells_elements_VBO_;
        GLuint clip_cells_VAO_;
 
        GLuint sliced_cells_elements_VBO_;
        GLuint sliced_cells_vertex_attrib_VBO_[4];
        GLuint sliced_cells_VAO_;
 
        double GLSL_version_;
 
        bool vertex_id_VBO_bound_;
    };
 
    /*********************************************************************/
 
}
 
#endif
 
#endif