mirror of https://github.com/mpv-player/mpv
89 lines
3.1 KiB
C
89 lines
3.1 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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// used for shader / glBindAttribLocation
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const char *name;
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// glVertexAttribPointer() arguments
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int num_elems; // size (number of elements)
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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; // the VAO object, or 0 if unsupported by driver
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GLuint buffer; // GL_ARRAY_BUFFER used for the data
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int stride; // size of each element (interleaved elements are assumed)
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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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void gl_vao_draw_data(struct gl_vao *vao, GLenum prim, void *ptr, size_t num);
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struct fbotex {
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GL *gl;
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GLuint fbo;
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GLuint texture;
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int tex_w, tex_h; // size of .texture
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int vp_x, vp_y, vp_w, vp_h; // viewport of fbo / used part of the texture
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};
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bool fbotex_init(struct fbotex *fbo, GL *gl, struct mp_log *log, int w, int h,
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GLenum gl_target, GLenum gl_filter, GLenum iformat);
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void fbotex_uninit(struct fbotex *fbo);
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void gl_matrix_ortho2d(float m[3][3], float x0, float x1, float y0, float y1);
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void gl_set_debug_logger(GL *gl, struct mp_log *log);
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#endif
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