85 lines
2.9 KiB
C
85 lines
2.9 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 TextureSimpleShader : public ShaderWrapper {
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public:
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~TextureSimpleShader() override { Release(); }
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protected:
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TextureSimpleShader(const std::string &name) : ShaderWrapper(name) {
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Compile();
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}
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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<Eigen::Vector2f> &uvs) = 0;
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protected:
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GLuint vertex_position_;
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GLuint vertex_uv_;
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GLuint texture_;
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GLuint MVP_;
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int num_materials_;
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std::vector<int> array_offsets_;
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std::vector<GLsizei> draw_array_sizes_;
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std::vector<GLuint> vertex_position_buffers_;
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std::vector<GLuint> vertex_uv_buffers_;
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std::vector<GLuint> texture_buffers_;
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};
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class TextureSimpleShaderForTriangleMesh : public TextureSimpleShader {
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public:
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TextureSimpleShaderForTriangleMesh()
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: TextureSimpleShader("TextureSimpleShaderForTriangleMesh") {}
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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<Eigen::Vector2f> &uvs) 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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