77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
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/*
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* <Short Description>
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* Copyright (C) 2023 Brett Terpstra
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef BLT_WITH_GRAPHICS_STATE_H
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#define BLT_WITH_GRAPHICS_STATE_H
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#include <blt/gfx/shader.h>
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#include <blt/math/vectors.h>
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#include <blt/math/matrix.h>
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namespace blt::gfx
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{
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/**
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* layout (std140) uniform GlobalMatrices
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* {
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* mat4 projection;
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* mat4 view;
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* mat4 pvm;
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* };
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*/
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class matrix_state_manager
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{
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private:
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blt::mat4x4 perspective;
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blt::mat4x4 view;
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blt::mat4x4 pv;
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uniform_buffer* global_matrix_ubo = nullptr;
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public:
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[[nodiscard]] inline const blt::mat4x4& computedPV() const
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{
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return pv;
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}
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void create_internals()
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{
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global_matrix_ubo = new uniform_buffer(sizeof(blt::mat4x4) * 3);
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}
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void delete_internals()
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{
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delete global_matrix_ubo;
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}
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template<typename U>
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void setView(U&& mat)
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{
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view = std::forward(mat);
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}
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template<typename U>
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void setPerspective(U&& mat)
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{
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perspective = std::forward(mat);
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}
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void update();
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};
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}
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#endif //BLT_WITH_GRAPHICS_STATE_H
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