mirror of
https://github.com/mpv-player/mpv
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34d3a27f28
Handles stupid boilerplate OpenGL requires you to handle. It's the same code as in gl_video.c, although if no VAOs are available, the fallback code rebinds them on every draw call instead of just once.
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*
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* This file is part of mpv.
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* Parts based on MPlayer code by Reimar Döffinger.
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*
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* mpv 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 2 of the License, or
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* (at your option) any later version.
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*
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* mpv 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 along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*
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* You can alternatively redistribute this file and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*/
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#ifndef MP_GL_UTILS_
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#define MP_GL_UTILS_
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#include "gl_common.h"
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struct mp_log;
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void glCheckError(GL *gl, struct mp_log *log, const char *info);
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int glFmt2bpp(GLenum format, GLenum type);
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void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
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const void *dataptr, int stride,
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int x, int y, int w, int h, int slice);
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void glClearTex(GL *gl, GLenum target, GLenum format, GLenum type,
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int x, int y, int w, int h, uint8_t val, void **scratch);
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mp_image_t *glGetWindowScreenshot(GL *gl);
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// print a multi line string with line numbers (e.g. for shader sources)
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// log, lev: module and log level, as in mp_msg()
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void mp_log_source(struct mp_log *log, int lev, const char *src);
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struct gl_vao_entry {
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const char *name;
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int num_elems;
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GLenum type;
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bool normalized;
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int offset;
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};
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struct gl_vao {
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GL *gl;
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GLuint vao;
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GLuint buffer;
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int stride; // always assuming interleaved elements
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const struct gl_vao_entry *entries;
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};
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void gl_vao_init(struct gl_vao *vao, GL *gl, int stride,
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const struct gl_vao_entry *entries);
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void gl_vao_uninit(struct gl_vao *vao);
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void gl_vao_bind(struct gl_vao *vao);
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void gl_vao_unbind(struct gl_vao *vao);
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void gl_vao_bind_attribs(struct gl_vao *vao, GLuint program);
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#endif
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