mirror of https://github.com/mpv-player/mpv
144 lines
5.1 KiB
C
144 lines
5.1 KiB
C
/*
|
|
* This file is part of mpv.
|
|
* Parts based on MPlayer code by Reimar Döffinger.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* You can alternatively redistribute this file and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef MP_GL_UTILS_
|
|
#define MP_GL_UTILS_
|
|
|
|
#include "common.h"
|
|
|
|
struct mp_log;
|
|
|
|
void glCheckError(GL *gl, struct mp_log *log, const char *info);
|
|
|
|
int glFmt2bpp(GLenum format, GLenum type);
|
|
void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
|
|
const void *dataptr, int stride,
|
|
int x, int y, int w, int h, int slice);
|
|
void glClearTex(GL *gl, GLenum target, GLenum format, GLenum type,
|
|
int x, int y, int w, int h, uint8_t val, void **scratch);
|
|
|
|
mp_image_t *glGetWindowScreenshot(GL *gl);
|
|
|
|
// print a multi line string with line numbers (e.g. for shader sources)
|
|
// log, lev: module and log level, as in mp_msg()
|
|
void mp_log_source(struct mp_log *log, int lev, const char *src);
|
|
|
|
struct gl_vao_entry {
|
|
// used for shader / glBindAttribLocation
|
|
const char *name;
|
|
// glVertexAttribPointer() arguments
|
|
int num_elems; // size (number of elements)
|
|
GLenum type;
|
|
bool normalized;
|
|
int offset;
|
|
};
|
|
|
|
struct gl_vao {
|
|
GL *gl;
|
|
GLuint vao; // the VAO object, or 0 if unsupported by driver
|
|
GLuint buffer; // GL_ARRAY_BUFFER used for the data
|
|
int stride; // size of each element (interleaved elements are assumed)
|
|
const struct gl_vao_entry *entries;
|
|
};
|
|
|
|
void gl_vao_init(struct gl_vao *vao, GL *gl, int stride,
|
|
const struct gl_vao_entry *entries);
|
|
void gl_vao_uninit(struct gl_vao *vao);
|
|
void gl_vao_bind(struct gl_vao *vao);
|
|
void gl_vao_unbind(struct gl_vao *vao);
|
|
void gl_vao_draw_data(struct gl_vao *vao, GLenum prim, void *ptr, size_t num);
|
|
|
|
struct fbotex {
|
|
GL *gl;
|
|
GLuint fbo;
|
|
GLuint texture;
|
|
GLenum iformat;
|
|
GLenum tex_filter;
|
|
int w, h; // size of .texture
|
|
};
|
|
|
|
bool fbotex_init(struct fbotex *fbo, GL *gl, struct mp_log *log, int w, int h,
|
|
GLenum iformat);
|
|
void fbotex_uninit(struct fbotex *fbo);
|
|
bool fbotex_change(struct fbotex *fbo, GL *gl, struct mp_log *log, int w, int h,
|
|
GLenum iformat, int flags);
|
|
#define FBOTEX_FUZZY_W 1
|
|
#define FBOTEX_FUZZY_H 2
|
|
#define FBOTEX_FUZZY (FBOTEX_FUZZY_W | FBOTEX_FUZZY_H)
|
|
void fbotex_set_filter(struct fbotex *fbo, GLenum gl_filter);
|
|
|
|
// A 3x2 matrix, with the translation part separate.
|
|
struct gl_transform {
|
|
float m[2][2];
|
|
float t[2];
|
|
};
|
|
|
|
void gl_transform_ortho(struct gl_transform *t, float x0, float x1,
|
|
float y0, float y1);
|
|
|
|
// This treats m as an affine transformation, in other words m[2][n] gets
|
|
// added to the output.
|
|
static inline void gl_transform_vec(struct gl_transform t, float *x, float *y)
|
|
{
|
|
float vx = *x, vy = *y;
|
|
*x = vx * t.m[0][0] + vy * t.m[1][0] + t.t[0];
|
|
*y = vx * t.m[0][1] + vy * t.m[1][1] + t.t[1];
|
|
}
|
|
|
|
struct mp_rect_f {
|
|
float x0, y0, x1, y1;
|
|
};
|
|
|
|
static inline void gl_transform_rect(struct gl_transform t, struct mp_rect_f *r)
|
|
{
|
|
gl_transform_vec(t, &r->x0, &r->y0);
|
|
gl_transform_vec(t, &r->x1, &r->y1);
|
|
}
|
|
|
|
void gl_set_debug_logger(GL *gl, struct mp_log *log);
|
|
|
|
struct gl_shader_cache;
|
|
|
|
struct gl_shader_cache *gl_sc_create(GL *gl, struct mp_log *log,
|
|
struct mpv_global *global);
|
|
void gl_sc_destroy(struct gl_shader_cache *sc);
|
|
void gl_sc_add(struct gl_shader_cache *sc, const char *text);
|
|
void gl_sc_addf(struct gl_shader_cache *sc, const char *textf, ...);
|
|
void gl_sc_hadd(struct gl_shader_cache *sc, const char *text);
|
|
const char *gl_sc_loadfile(struct gl_shader_cache *sc, const char *path);
|
|
void gl_sc_uniform_sampler(struct gl_shader_cache *sc, char *name, GLenum target,
|
|
int unit);
|
|
void gl_sc_uniform_f(struct gl_shader_cache *sc, char *name, GLfloat f);
|
|
void gl_sc_uniform_i(struct gl_shader_cache *sc, char *name, GLint f);
|
|
void gl_sc_uniform_vec2(struct gl_shader_cache *sc, char *name, GLfloat f[2]);
|
|
void gl_sc_uniform_vec3(struct gl_shader_cache *sc, char *name, GLfloat f[3]);
|
|
void gl_sc_uniform_mat2(struct gl_shader_cache *sc, char *name,
|
|
bool transpose, GLfloat *v);
|
|
void gl_sc_uniform_mat3(struct gl_shader_cache *sc, char *name,
|
|
bool transpose, GLfloat *v);
|
|
void gl_sc_set_vao(struct gl_shader_cache *sc, struct gl_vao *vao);
|
|
void gl_sc_gen_shader_and_reset(struct gl_shader_cache *sc);
|
|
void gl_sc_reset(struct gl_shader_cache *sc);
|
|
|
|
#endif
|