114 lines
2.3 KiB
C++
114 lines
2.3 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 "../types.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 : GLuint {
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RK_VERTICES_BINDING = 0,
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RK_PARAMS_BINDING_BASE = 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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unsigned nlevels;
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GLuint texture;
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};
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struct rk_triangles {
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unsigned 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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unsigned vertex_size;
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unsigned 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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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_vec3_float {
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float x;
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float y;
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float z;
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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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typedef rk_int rk_vec3_int10;
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typedef rk_uint rk_vec3_uint10;
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struct rk_mat3_float {
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rk_vec3_float x;
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rk_vec3_float y;
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rk_vec3_float z;
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};
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struct rk_mat3_int10 {
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rk_vec3_int10 x;
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rk_vec3_int10 y;
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rk_vec3_int10 z;
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};
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typedef void (*rk_packer)(
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unsigned const, // count
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rk_ushort const * const, // indices
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rk_ubyte *, // dst
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rk_ubyte const * const); // src
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struct rk_parameter {
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unsigned offset;
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unsigned size;
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rk_packer packer;
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};
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struct rk_batch {
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unsigned max_size;
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unsigned nparams;
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rk_ushort * indices;
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rk_command * commands;
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rk_parameter * params;
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rk_ubyte * packed_params;
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GLuint indirect_buffer;
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GLuint params_array;
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};
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#endif // _RK_ENGINE_RENDER_OPENGLES_H
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