mirror of https://github.com/yshui/picom.git
208 lines
4.1 KiB
C
208 lines
4.1 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Compton - a compositor for X11
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*
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* Based on `xcompmgr` - Copyright (c) 2003, Keith Packard
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*
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* Copyright (c) 2011-2013, Christopher Jeffrey
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* See LICENSE-mit for more information.
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*
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*/
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#pragma once
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#include "common.h"
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#include "region.h"
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#include "render.h"
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#include "compiler.h"
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#include "win.h"
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#include "log.h"
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#include <xcb/xcb.h>
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#include <xcb/render.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <locale.h>
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#include <GL/gl.h>
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bool
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glx_dim_dst(session_t *ps, int dx, int dy, int width, int height, float z,
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GLfloat factor, const region_t *reg_tgt);
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bool
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glx_render(session_t *ps, const glx_texture_t *ptex,
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int x, int y, int dx, int dy, int width, int height, int z,
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double opacity, bool argb, bool neg,
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const region_t *reg_tgt,
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const glx_prog_main_t *pprogram);
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bool
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glx_init(session_t *ps, bool need_render);
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void
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glx_destroy(session_t *ps);
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bool
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glx_reinit(session_t *ps, bool need_render);
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void
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glx_on_root_change(session_t *ps);
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bool
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glx_init_blur(session_t *ps);
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#ifdef CONFIG_OPENGL
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bool
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glx_load_prog_main(session_t *ps,
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const char *vshader_str, const char *fshader_str,
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glx_prog_main_t *pprogram);
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#endif
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bool
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glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, xcb_pixmap_t pixmap,
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unsigned width, unsigned height, bool repeat, const struct glx_fbconfig_info *);
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void
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glx_release_pixmap(session_t *ps, glx_texture_t *ptex);
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void glx_paint_pre(session_t *ps, region_t *preg)
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attr_nonnull(1, 2);
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/**
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* Check if a texture is binded, or is binded to the given pixmap.
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*/
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static inline bool
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glx_tex_binded(const glx_texture_t *ptex, xcb_pixmap_t pixmap) {
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return ptex && ptex->glpixmap && ptex->texture
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&& (!pixmap || pixmap == ptex->pixmap);
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}
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void
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glx_set_clip(session_t *ps, const region_t *reg);
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bool
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glx_blur_dst(session_t *ps, int dx, int dy, int width, int height, float z,
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GLfloat factor_center,
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const region_t *reg_tgt,
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glx_blur_cache_t *pbc);
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GLuint
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glx_create_shader(GLenum shader_type, const char *shader_str);
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GLuint
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glx_create_program(const GLuint * const shaders, int nshaders);
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GLuint
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glx_create_program_from_str(const char *vert_shader_str,
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const char *frag_shader_str);
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unsigned char *
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glx_take_screenshot(session_t *ps, int *out_length);
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/**
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* Check if there's a GLX context.
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*/
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static inline bool
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glx_has_context(session_t *ps) {
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return ps->psglx && ps->psglx->context;
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}
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/**
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* Ensure we have a GLX context.
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*/
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static inline bool
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ensure_glx_context(session_t *ps) {
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// Create GLX context
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if (!glx_has_context(ps))
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glx_init(ps, false);
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return ps->psglx->context;
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}
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/**
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* Free a GLX texture.
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*/
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static inline void
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free_texture_r(session_t *ps, GLuint *ptexture) {
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if (*ptexture) {
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assert(glx_has_context(ps));
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glDeleteTextures(1, ptexture);
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*ptexture = 0;
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}
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}
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/**
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* Free a GLX Framebuffer object.
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*/
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static inline void
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free_glx_fbo(session_t *ps, GLuint *pfbo) {
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if (*pfbo) {
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glDeleteFramebuffers(1, pfbo);
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*pfbo = 0;
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}
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assert(!*pfbo);
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}
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/**
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* Free data in glx_blur_cache_t on resize.
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*/
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static inline void
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free_glx_bc_resize(session_t *ps, glx_blur_cache_t *pbc) {
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free_texture_r(ps, &pbc->textures[0]);
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free_texture_r(ps, &pbc->textures[1]);
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pbc->width = 0;
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pbc->height = 0;
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}
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/**
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* Free a glx_blur_cache_t
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*/
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static inline void
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free_glx_bc(session_t *ps, glx_blur_cache_t *pbc) {
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free_glx_fbo(ps, &pbc->fbo);
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free_glx_bc_resize(ps, pbc);
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}
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/**
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* Free a glx_texture_t.
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*/
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static inline void
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free_texture(session_t *ps, glx_texture_t **pptex) {
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glx_texture_t *ptex = *pptex;
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// Quit if there's nothing
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if (!ptex)
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return;
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glx_release_pixmap(ps, ptex);
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free_texture_r(ps, &ptex->texture);
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// Free structure itself
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free(ptex);
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*pptex = NULL;
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assert(!*pptex);
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}
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/**
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* Free GLX part of paint_t.
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*/
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static inline void
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free_paint_glx(session_t *ps, paint_t *ppaint) {
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free_texture(ps, &ppaint->ptex);
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}
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/**
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* Free GLX part of win.
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*/
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static inline void
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free_win_res_glx(session_t *ps, win *w) {
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free_paint_glx(ps, &w->paint);
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free_paint_glx(ps, &w->shadow_paint);
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#ifdef CONFIG_OPENGL
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free_glx_bc(ps, &w->glx_blur_cache);
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free(w->paint.fbcfg);
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#endif
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}
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