76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
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// ----------------------------------------------------------------------------
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// - Open3D: www.open3d.org -
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// ----------------------------------------------------------------------------
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// Copyright (c) 2018-2023 www.open3d.org
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// SPDX-License-Identifier: MIT
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// ----------------------------------------------------------------------------
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#pragma once
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#include <Eigen/Core>
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#include <vector>
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#include "open3d/visualization/shader/ShaderWrapper.h"
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namespace open3d {
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namespace visualization {
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namespace glsl {
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class PickingShader : public ShaderWrapper {
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public:
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~PickingShader() override { Release(); }
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protected:
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PickingShader(const std::string &name) : ShaderWrapper(name) { Compile(); }
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protected:
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bool Compile() final;
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void Release() final;
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bool BindGeometry(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view) final;
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bool RenderGeometry(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view) final;
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void UnbindGeometry() final;
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protected:
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virtual bool PrepareRendering(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view) = 0;
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virtual bool PrepareBinding(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view,
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std::vector<Eigen::Vector3f> &points,
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std::vector<float> &indices) = 0;
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protected:
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GLuint vertex_position_;
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GLuint vertex_position_buffer_;
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GLuint vertex_index_;
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GLuint vertex_index_buffer_;
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GLuint MVP_;
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};
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class PickingShaderForPointCloud : public PickingShader {
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public:
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PickingShaderForPointCloud()
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: PickingShader("PickingShaderForPointCloud") {}
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protected:
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bool PrepareRendering(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view) final;
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bool PrepareBinding(const geometry::Geometry &geometry,
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const RenderOption &option,
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const ViewControl &view,
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std::vector<Eigen::Vector3f> &points,
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std::vector<float> &indices) final;
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};
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} // namespace glsl
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} // namespace visualization
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} // namespace open3d
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