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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "rendering/common/skyocclusion.h"
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// the maps of the occlusion of the sky by the scenery (gfx::sky_occlusion) for the opengl 4.6 renderer: two textures bound to their
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// units (gl::SKY_OCCLUSION_HEIGHT_TEX, gl::SKY_OCCLUSION_TEX) for every pass, stand-ins of one texel while there are none
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class opengl46_sky_occlusion : public gfx::sky_occlusion
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{
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public:
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opengl46_sky_occlusion() = default;
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~opengl46_sky_occlusion() override;
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// the stand-ins
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void init();
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// the textures (or the stand-ins) bound to their units
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void bind() const;
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protected:
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bool gpu_allocate(int const Side) override;
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void gpu_release() override;
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void gpu_upload(int const X, int const Y, int const Size, float const *Heights, std::uint16_t const *Occlusion) override;
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private:
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GLuint m_heights{0};
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GLuint m_occlusion{0};
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GLuint m_emptyheights{0};
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GLuint m_emptyocclusion{0};
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};
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