93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
// Copyright (C) 2022 RozK
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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 Affero 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef _RK_ENGINE_RENDER_OPENGLES_H
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#define _RK_ENGINE_RENDER_OPENGLES_H
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#include "../render.hpp"
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#include "render_context.hpp"
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#include <GLES3/gl32.h>
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#include <GLES3/gl3ext.h>
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#include <GLES3/gl3platform.h>
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enum : rk_uint {
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RK_VERTICES_BINDING = 0,
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RK_PARAMS_BINDING = 1
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};
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struct rk_shader {
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GLuint vertex;
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GLuint fragment;
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GLuint program;
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};
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struct rk_texture {
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rk_uint slot;
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rk_uint nlevels;
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GLuint texture;
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};
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struct rk_triangles {
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rk_uint size;
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GLuint array;
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GLuint vertices;
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};
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struct rk_vertices {
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rk_uint vertex_size;
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rk_uint layout;
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GLuint array;
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GLuint vertices;
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GLuint indices;
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};
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typedef void (*rk_packer_fn)(rk_ubyte * const __restrict, rk_ubyte const * const __restrict);
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struct rk_packer {
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rk_packer_fn pack;
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rk_uint dst_incr;
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rk_uint src_incr;
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};
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struct rk_command {
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GLuint nvertices;
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GLuint ninstances;
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GLuint base_index;
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GLint base_vertex;
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GLuint base_instance;
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};
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struct rk_batch {
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rk_uint size;
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rk_uint nparams;
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rk_uint params_size;
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rk_uint packed_size;
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rk_ushort * indices;
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rk_command * commands;
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rk_packer * packers;
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rk_ubyte * params;
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GLuint params_buffer;
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GLuint commands_buffer;
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};
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struct rk_vec3_short {
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rk_short x;
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rk_short y;
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rk_short z;
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rk_short pad;
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};
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#endif // _RK_ENGINE_RENDER_OPENGLES_H
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