This new client, called transformed, renders a cross with the top part red and the right green, with the same transform as the output the surface is in. This is based on simple-egl.dev
Ander Conselvan de Oliveira
13 years ago
committed by
Kristian Høgsberg
parent
2908a3df0d
commit
1b4312d326
@ -0,0 +1,787 @@ |
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/*
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* Copyright © 2011 Benjamin Franzke |
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* Copyright © 2012 Intel Corporation |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and its |
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* documentation for any purpose is hereby granted without fee, provided that |
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* the above copyright notice appear in all copies and that both that copyright |
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* notice and this permission notice appear in supporting documentation, and |
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* that the name of the copyright holders not be used in advertising or |
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* publicity pertaining to distribution of the software without specific, |
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* written prior permission. The copyright holders make no representations |
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* about the suitability of this software for any purpose. It is provided "as |
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* is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdbool.h> |
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#include <math.h> |
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#include <assert.h> |
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#include <signal.h> |
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#include <linux/input.h> |
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#include <wayland-client.h> |
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#include <wayland-egl.h> |
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#include <GLES2/gl2.h> |
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#include <EGL/egl.h> |
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struct window; |
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struct seat; |
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struct display { |
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struct wl_display *display; |
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struct wl_registry *registry; |
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struct wl_compositor *compositor; |
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struct wl_shell *shell; |
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struct wl_seat *seat; |
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struct wl_pointer *pointer; |
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struct wl_keyboard *keyboard; |
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struct wl_shm *shm; |
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struct wl_list output_list; |
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struct { |
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EGLDisplay dpy; |
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EGLContext ctx; |
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EGLConfig conf; |
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} egl; |
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struct window *window; |
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}; |
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struct output { |
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struct wl_output *output; |
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int transform; |
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struct wl_list link; |
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}; |
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struct geometry { |
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int width, height; |
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}; |
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struct window { |
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struct display *display; |
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struct geometry geometry, window_size; |
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struct { |
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GLuint fbo; |
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GLuint color_rbo; |
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GLuint transform_uniform; |
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GLuint pos; |
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GLuint col; |
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} gl; |
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struct output *output; |
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struct wl_egl_window *native; |
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struct wl_surface *surface; |
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struct wl_shell_surface *shell_surface; |
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EGLSurface egl_surface; |
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struct wl_callback *callback; |
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int fullscreen, configured; |
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}; |
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static const char *vert_shader_text = |
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"uniform mat4 transform;\n" |
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"attribute vec4 pos;\n" |
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"attribute vec4 color;\n" |
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"varying vec4 v_color;\n" |
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"void main() {\n" |
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" gl_Position = transform * pos;\n" |
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" v_color = color;\n" |
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"}\n"; |
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static const char *frag_shader_text = |
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"precision mediump float;\n" |
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"varying vec4 v_color;\n" |
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"void main() {\n" |
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" gl_FragColor = v_color;\n" |
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"}\n"; |
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static int running = 1; |
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static void |
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init_egl(struct display *display) |
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{ |
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static const EGLint context_attribs[] = { |
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EGL_CONTEXT_CLIENT_VERSION, 2, |
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EGL_NONE |
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}; |
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EGLint config_attribs[] = { |
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
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EGL_RED_SIZE, 1, |
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EGL_GREEN_SIZE, 1, |
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EGL_BLUE_SIZE, 1, |
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EGL_ALPHA_SIZE, 0, |
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
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EGL_NONE |
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}; |
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EGLint major, minor, n; |
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EGLBoolean ret; |
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display->egl.dpy = eglGetDisplay(display->display); |
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assert(display->egl.dpy); |
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ret = eglInitialize(display->egl.dpy, &major, &minor); |
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assert(ret == EGL_TRUE); |
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ret = eglBindAPI(EGL_OPENGL_ES_API); |
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assert(ret == EGL_TRUE); |
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ret = eglChooseConfig(display->egl.dpy, config_attribs, |
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&display->egl.conf, 1, &n); |
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assert(ret && n == 1); |
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display->egl.ctx = eglCreateContext(display->egl.dpy, |
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display->egl.conf, |
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EGL_NO_CONTEXT, context_attribs); |
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assert(display->egl.ctx); |
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} |
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static void |
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fini_egl(struct display *display) |
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{ |
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/* Required, otherwise segfault in egl_dri2.c: dri2_make_current()
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* on eglReleaseThread(). */ |
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eglMakeCurrent(display->egl.dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, |
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EGL_NO_CONTEXT); |
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eglTerminate(display->egl.dpy); |
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eglReleaseThread(); |
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} |
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static GLuint |
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create_shader(struct window *window, const char *source, GLenum shader_type) |
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{ |
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GLuint shader; |
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GLint status; |
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shader = glCreateShader(shader_type); |
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assert(shader != 0); |
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glShaderSource(shader, 1, (const char **) &source, NULL); |
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glCompileShader(shader); |
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glGetShaderiv(shader, GL_COMPILE_STATUS, &status); |
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if (!status) { |
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char log[1000]; |
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GLsizei len; |
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glGetShaderInfoLog(shader, 1000, &len, log); |
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fprintf(stderr, "Error: compiling %s: %*s\n", |
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shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment", |
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len, log); |
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exit(1); |
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} |
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return shader; |
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} |
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static void |
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init_gl(struct window *window) |
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{ |
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GLuint frag, vert; |
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GLuint program; |
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GLint status; |
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frag = create_shader(window, frag_shader_text, GL_FRAGMENT_SHADER); |
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vert = create_shader(window, vert_shader_text, GL_VERTEX_SHADER); |
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program = glCreateProgram(); |
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glAttachShader(program, frag); |
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glAttachShader(program, vert); |
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glLinkProgram(program); |
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glGetProgramiv(program, GL_LINK_STATUS, &status); |
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if (!status) { |
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char log[1000]; |
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GLsizei len; |
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glGetProgramInfoLog(program, 1000, &len, log); |
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fprintf(stderr, "Error: linking:\n%*s\n", len, log); |
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exit(1); |
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} |
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glUseProgram(program); |
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window->gl.pos = 0; |
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window->gl.col = 1; |
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glBindAttribLocation(program, window->gl.pos, "pos"); |
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glBindAttribLocation(program, window->gl.col, "color"); |
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glLinkProgram(program); |
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window->gl.transform_uniform = |
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glGetUniformLocation(program, "transform"); |
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} |
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static void |
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handle_ping(void *data, struct wl_shell_surface *shell_surface, |
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uint32_t serial) |
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{ |
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wl_shell_surface_pong(shell_surface, serial); |
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} |
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static void |
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handle_configure(void *data, struct wl_shell_surface *shell_surface, |
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uint32_t edges, int32_t width, int32_t height) |
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{ |
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struct window *window = data; |
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int transform = WL_OUTPUT_TRANSFORM_NORMAL; |
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int32_t tmp; |
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window->geometry.width = width; |
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window->geometry.height = height; |
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if (!window->fullscreen) |
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window->window_size = window->geometry; |
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if (window->output) |
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transform = window->output->transform; |
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switch (transform) { |
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case WL_OUTPUT_TRANSFORM_90: |
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case WL_OUTPUT_TRANSFORM_270: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
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tmp = width; |
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width = height; |
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height = tmp; |
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break; |
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default: |
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break; |
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} |
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if (window->native) |
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wl_egl_window_resize(window->native, width, height, 0, 0); |
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} |
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static void |
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handle_popup_done(void *data, struct wl_shell_surface *shell_surface) |
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{ |
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} |
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static const struct wl_shell_surface_listener shell_surface_listener = { |
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handle_ping, |
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handle_configure, |
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handle_popup_done |
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}; |
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static void |
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toggle_fullscreen(struct window *window, int fullscreen); |
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static void |
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surface_enter(void *data, struct wl_surface *wl_surface, |
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struct wl_output *wl_output) |
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{ |
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struct window *window = data; |
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struct output *output = NULL; |
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wl_list_for_each(output, &window->display->output_list, link) { |
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if (output->output == wl_output) |
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break; |
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} |
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if (output && output->output == wl_output) { |
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/* We use the output information only for rendering according
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* to the output transform. Since we can't "please" two |
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* different outputs if they have a different transform, just |
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* do it according to the last output the surface entered. */ |
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window->output = output; |
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/* Force a redraw with the new transform */ |
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toggle_fullscreen(window, window->fullscreen); |
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} |
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} |
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static void |
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surface_leave(void *data, struct wl_surface *wl_surface, |
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struct wl_output *wl_output) |
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{ |
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struct window *window = data; |
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struct output *output = NULL; |
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wl_list_for_each(output, &window->display->output_list, link) { |
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if (output->output == wl_output) |
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break; |
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} |
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if (output && output->output == wl_output && output == window->output) |
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window->output = NULL; |
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} |
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static const struct wl_surface_listener surface_listener = { |
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surface_enter, |
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surface_leave |
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}; |
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static void |
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redraw(struct window *window); |
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static void |
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configure_callback(void *data, struct wl_callback *callback, uint32_t time) |
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{ |
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struct window *window = data; |
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wl_callback_destroy(callback); |
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redraw(window); |
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} |
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static struct wl_callback_listener configure_callback_listener = { |
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configure_callback, |
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}; |
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static void |
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toggle_fullscreen(struct window *window, int fullscreen) |
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{ |
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struct wl_callback *callback; |
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window->fullscreen = fullscreen; |
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if (fullscreen) { |
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wl_shell_surface_set_fullscreen(window->shell_surface, |
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WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, |
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0, NULL); |
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} else { |
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wl_shell_surface_set_toplevel(window->shell_surface); |
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handle_configure(window, window->shell_surface, 0, |
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window->window_size.width, |
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window->window_size.height); |
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} |
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callback = wl_display_sync(window->display->display); |
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wl_callback_add_listener(callback, &configure_callback_listener, |
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window); |
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} |
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static void |
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create_surface(struct window *window) |
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{ |
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struct display *display = window->display; |
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EGLBoolean ret; |
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window->surface = wl_compositor_create_surface(display->compositor); |
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window->shell_surface = wl_shell_get_shell_surface(display->shell, |
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window->surface); |
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wl_surface_add_listener(window->surface, &surface_listener, window); |
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wl_shell_surface_add_listener(window->shell_surface, |
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&shell_surface_listener, window); |
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window->native = |
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wl_egl_window_create(window->surface, |
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window->window_size.width, |
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window->window_size.height); |
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window->egl_surface = |
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eglCreateWindowSurface(display->egl.dpy, |
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display->egl.conf, |
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window->native, NULL); |
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wl_shell_surface_set_title(window->shell_surface, "simple-egl"); |
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ret = eglMakeCurrent(window->display->egl.dpy, window->egl_surface, |
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window->egl_surface, window->display->egl.ctx); |
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assert(ret == EGL_TRUE); |
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toggle_fullscreen(window, window->fullscreen); |
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} |
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static void |
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destroy_surface(struct window *window) |
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{ |
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wl_egl_window_destroy(window->native); |
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wl_shell_surface_destroy(window->shell_surface); |
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wl_surface_destroy(window->surface); |
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if (window->callback) |
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wl_callback_destroy(window->callback); |
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} |
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static void |
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update_transform(struct window *window) |
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{ |
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int transform = WL_OUTPUT_TRANSFORM_NORMAL; |
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int swap_w_h = 0; |
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int flip; |
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GLfloat mat[4][4] = { |
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{ 1, 0, 0, 0 }, |
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{ 0, 1, 0, 0 }, |
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{ 0, 0, 1, 0 }, |
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{ 0, 0, 0, 1 } |
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}; |
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if (window->output) |
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transform = window->output->transform; |
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switch(transform) { |
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case WL_OUTPUT_TRANSFORM_FLIPPED: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_180: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
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flip = -1; |
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break; |
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default: |
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flip = 1; |
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break; |
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} |
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switch (transform) { |
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case WL_OUTPUT_TRANSFORM_NORMAL: |
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case WL_OUTPUT_TRANSFORM_FLIPPED: |
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mat[0][0] = flip; |
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mat[0][1] = 0; |
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mat[1][0] = 0; |
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mat[1][1] = 1; |
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break; |
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case WL_OUTPUT_TRANSFORM_90: |
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case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
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mat[0][0] = 0; |
||||||
|
mat[0][1] = -flip; |
||||||
|
mat[1][0] = 1; |
||||||
|
mat[1][1] = 0; |
||||||
|
swap_w_h = 1; |
||||||
|
break; |
||||||
|
case WL_OUTPUT_TRANSFORM_180: |
||||||
|
case WL_OUTPUT_TRANSFORM_FLIPPED_180: |
||||||
|
mat[0][0] = -flip; |
||||||
|
mat[0][1] = 0; |
||||||
|
mat[1][0] = 0; |
||||||
|
mat[1][1] = -1; |
||||||
|
break; |
||||||
|
case WL_OUTPUT_TRANSFORM_270: |
||||||
|
case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
||||||
|
mat[0][0] = 0; |
||||||
|
mat[0][1] = flip; |
||||||
|
mat[1][0] = -1; |
||||||
|
mat[1][1] = 0; |
||||||
|
swap_w_h = 1; |
||||||
|
break; |
||||||
|
default: |
||||||
|
break; |
||||||
|
} |
||||||
|
|
||||||
|
if (swap_w_h) |
||||||
|
glViewport(0, 0, window->geometry.height, |
||||||
|
window->geometry.width); |
||||||
|
else |
||||||
|
glViewport(0, 0, window->geometry.width, |
||||||
|
window->geometry.height); |
||||||
|
|
||||||
|
glUniformMatrix4fv(window->gl.transform_uniform, 1, GL_FALSE, |
||||||
|
(GLfloat *) mat); |
||||||
|
wl_surface_set_buffer_transform(window->surface, transform); |
||||||
|
printf("Rendering buffer with transform == %d\n", transform); |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
redraw(struct window *window) |
||||||
|
{ |
||||||
|
static const GLfloat verts[8][2] = { |
||||||
|
{ 0.0, 0.0 }, |
||||||
|
{ 0.0, 1.0 }, |
||||||
|
{ 0.0, 0.0 }, |
||||||
|
{ 1.0, 0.0 }, |
||||||
|
{ 0.0, 0.0 }, |
||||||
|
{ -1.0, 0.0 }, |
||||||
|
{ 0.0, 0.0 }, |
||||||
|
{ 0.0, -1.0 } |
||||||
|
}; |
||||||
|
static const GLfloat colors[8][3] = { |
||||||
|
{ 1, 0, 0 }, |
||||||
|
{ 1, 0, 0 }, |
||||||
|
{ 0, 1, 0 }, |
||||||
|
{ 0, 1, 0 }, |
||||||
|
{ 1, 1, 1 }, |
||||||
|
{ 1, 1, 1 }, |
||||||
|
{ 1, 1, 1 }, |
||||||
|
{ 1, 1, 1 } |
||||||
|
}; |
||||||
|
struct wl_region *region; |
||||||
|
|
||||||
|
update_transform(window); |
||||||
|
|
||||||
|
glClearColor(0.0, 0.0, 0.0, 1.0); |
||||||
|
glClear(GL_COLOR_BUFFER_BIT); |
||||||
|
|
||||||
|
glVertexAttribPointer(window->gl.pos, 2, GL_FLOAT, GL_FALSE, 0, verts); |
||||||
|
glVertexAttribPointer(window->gl.col, 3, GL_FLOAT, GL_FALSE, 0, colors); |
||||||
|
glEnableVertexAttribArray(window->gl.pos); |
||||||
|
glEnableVertexAttribArray(window->gl.col); |
||||||
|
|
||||||
|
glDrawArrays(GL_LINES, 0, 8); |
||||||
|
|
||||||
|
glDisableVertexAttribArray(window->gl.pos); |
||||||
|
glDisableVertexAttribArray(window->gl.col); |
||||||
|
|
||||||
|
region = wl_compositor_create_region(window->display->compositor); |
||||||
|
wl_region_add(region, 0, 0, |
||||||
|
window->geometry.width, |
||||||
|
window->geometry.height); |
||||||
|
wl_surface_set_opaque_region(window->surface, region); |
||||||
|
wl_region_destroy(region); |
||||||
|
|
||||||
|
eglSwapBuffers(window->display->egl.dpy, window->egl_surface); |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
pointer_handle_enter(void *data, struct wl_pointer *pointer, |
||||||
|
uint32_t serial, struct wl_surface *surface, |
||||||
|
wl_fixed_t sx, wl_fixed_t sy) |
||||||
|
{ |
||||||
|
wl_pointer_set_cursor(pointer, serial, NULL, 0, 0); |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
pointer_handle_leave(void *data, struct wl_pointer *pointer, |
||||||
|
uint32_t serial, struct wl_surface *surface) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
pointer_handle_motion(void *data, struct wl_pointer *pointer, |
||||||
|
uint32_t time, wl_fixed_t sx, wl_fixed_t sy) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
pointer_handle_button(void *data, struct wl_pointer *wl_pointer, |
||||||
|
uint32_t serial, uint32_t time, uint32_t button, |
||||||
|
uint32_t state) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
pointer_handle_axis(void *data, struct wl_pointer *wl_pointer, |
||||||
|
uint32_t time, uint32_t axis, wl_fixed_t value) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_pointer_listener pointer_listener = { |
||||||
|
pointer_handle_enter, |
||||||
|
pointer_handle_leave, |
||||||
|
pointer_handle_motion, |
||||||
|
pointer_handle_button, |
||||||
|
pointer_handle_axis, |
||||||
|
}; |
||||||
|
|
||||||
|
static void |
||||||
|
keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard, |
||||||
|
uint32_t format, int fd, uint32_t size) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
keyboard_handle_enter(void *data, struct wl_keyboard *keyboard, |
||||||
|
uint32_t serial, struct wl_surface *surface, |
||||||
|
struct wl_array *keys) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
keyboard_handle_leave(void *data, struct wl_keyboard *keyboard, |
||||||
|
uint32_t serial, struct wl_surface *surface) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
keyboard_handle_key(void *data, struct wl_keyboard *keyboard, |
||||||
|
uint32_t serial, uint32_t time, uint32_t key, |
||||||
|
uint32_t state) |
||||||
|
{ |
||||||
|
struct display *d = data; |
||||||
|
|
||||||
|
if (key == KEY_F11 && state) |
||||||
|
toggle_fullscreen(d->window, d->window->fullscreen ^ 1); |
||||||
|
else if (key == KEY_ESC && state) |
||||||
|
running = 0; |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard, |
||||||
|
uint32_t serial, uint32_t mods_depressed, |
||||||
|
uint32_t mods_latched, uint32_t mods_locked, |
||||||
|
uint32_t group) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_keyboard_listener keyboard_listener = { |
||||||
|
keyboard_handle_keymap, |
||||||
|
keyboard_handle_enter, |
||||||
|
keyboard_handle_leave, |
||||||
|
keyboard_handle_key, |
||||||
|
keyboard_handle_modifiers, |
||||||
|
}; |
||||||
|
|
||||||
|
static void |
||||||
|
seat_handle_capabilities(void *data, struct wl_seat *seat, |
||||||
|
enum wl_seat_capability caps) |
||||||
|
{ |
||||||
|
struct display *d = data; |
||||||
|
|
||||||
|
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !d->pointer) { |
||||||
|
d->pointer = wl_seat_get_pointer(seat); |
||||||
|
wl_pointer_add_listener(d->pointer, &pointer_listener, d); |
||||||
|
} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && d->pointer) { |
||||||
|
wl_pointer_destroy(d->pointer); |
||||||
|
d->pointer = NULL; |
||||||
|
} |
||||||
|
|
||||||
|
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !d->keyboard) { |
||||||
|
d->keyboard = wl_seat_get_keyboard(seat); |
||||||
|
wl_keyboard_add_listener(d->keyboard, &keyboard_listener, d); |
||||||
|
} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && d->keyboard) { |
||||||
|
wl_keyboard_destroy(d->keyboard); |
||||||
|
d->keyboard = NULL; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_seat_listener seat_listener = { |
||||||
|
seat_handle_capabilities, |
||||||
|
}; |
||||||
|
|
||||||
|
static void |
||||||
|
output_handle_geometry(void *data, struct wl_output *wl_output, int x, int y, |
||||||
|
int physical_width, int physical_height, int subpixel, |
||||||
|
const char *make, const char *model, int transform) |
||||||
|
{ |
||||||
|
struct output *output = data; |
||||||
|
|
||||||
|
output->transform = transform; |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
output_handle_mode(void *data, struct wl_output *output, uint32_t flags, |
||||||
|
int width, int height, int refresh) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_output_listener output_listener = { |
||||||
|
output_handle_geometry, |
||||||
|
output_handle_mode |
||||||
|
}; |
||||||
|
|
||||||
|
static void |
||||||
|
registry_handle_global(void *data, struct wl_registry *registry, |
||||||
|
uint32_t name, const char *interface, uint32_t version) |
||||||
|
{ |
||||||
|
struct display *d = data; |
||||||
|
|
||||||
|
if (strcmp(interface, "wl_compositor") == 0) { |
||||||
|
d->compositor = |
||||||
|
wl_registry_bind(registry, name, |
||||||
|
&wl_compositor_interface, 1); |
||||||
|
} else if (strcmp(interface, "wl_shell") == 0) { |
||||||
|
d->shell = wl_registry_bind(registry, name, |
||||||
|
&wl_shell_interface, 1); |
||||||
|
} else if (strcmp(interface, "wl_seat") == 0) { |
||||||
|
d->seat = wl_registry_bind(registry, name, |
||||||
|
&wl_seat_interface, 1); |
||||||
|
wl_seat_add_listener(d->seat, &seat_listener, d); |
||||||
|
} else if (strcmp(interface, "wl_output") == 0) { |
||||||
|
struct output *output = malloc(sizeof *output); |
||||||
|
|
||||||
|
if (!output) |
||||||
|
return; |
||||||
|
|
||||||
|
output->output = wl_registry_bind(registry, name, |
||||||
|
&wl_output_interface, 1); |
||||||
|
wl_output_add_listener(output->output, &output_listener, |
||||||
|
output); |
||||||
|
wl_list_insert(&d->output_list, &output->link); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_registry_listener registry_listener = { |
||||||
|
registry_handle_global |
||||||
|
}; |
||||||
|
|
||||||
|
static void |
||||||
|
signal_int(int signum) |
||||||
|
{ |
||||||
|
running = 0; |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
usage(int error_code) |
||||||
|
{ |
||||||
|
fprintf(stderr, "Usage: simple-egl [OPTIONS]\n\n" |
||||||
|
" -f\tRun in fullscreen mode\n" |
||||||
|
" -h\tThis help text\n\n"); |
||||||
|
|
||||||
|
exit(error_code); |
||||||
|
} |
||||||
|
|
||||||
|
int |
||||||
|
main(int argc, char **argv) |
||||||
|
{ |
||||||
|
struct sigaction sigint; |
||||||
|
struct display display = { 0 }; |
||||||
|
struct window window = { 0 }; |
||||||
|
int i, ret = 0; |
||||||
|
|
||||||
|
window.display = &display; |
||||||
|
display.window = &window; |
||||||
|
window.window_size.width = 500; |
||||||
|
window.window_size.height = 250; |
||||||
|
|
||||||
|
wl_list_init(&display.output_list); |
||||||
|
|
||||||
|
for (i = 1; i < argc; i++) { |
||||||
|
if (strcmp("-f", argv[i]) == 0) |
||||||
|
window.fullscreen = 1; |
||||||
|
else if (strcmp("-h", argv[i]) == 0) |
||||||
|
usage(EXIT_SUCCESS); |
||||||
|
else |
||||||
|
usage(EXIT_FAILURE); |
||||||
|
} |
||||||
|
|
||||||
|
display.display = wl_display_connect(NULL); |
||||||
|
assert(display.display); |
||||||
|
|
||||||
|
display.registry = wl_display_get_registry(display.display); |
||||||
|
wl_registry_add_listener(display.registry, |
||||||
|
®istry_listener, &display); |
||||||
|
|
||||||
|
wl_display_dispatch(display.display); |
||||||
|
|
||||||
|
init_egl(&display); |
||||||
|
create_surface(&window); |
||||||
|
init_gl(&window); |
||||||
|
|
||||||
|
sigint.sa_handler = signal_int; |
||||||
|
sigemptyset(&sigint.sa_mask); |
||||||
|
sigint.sa_flags = SA_RESETHAND; |
||||||
|
sigaction(SIGINT, &sigint, NULL); |
||||||
|
|
||||||
|
while (running && ret != -1) |
||||||
|
ret = wl_display_dispatch(display.display); |
||||||
|
|
||||||
|
fprintf(stderr, "simple-egl exiting\n"); |
||||||
|
|
||||||
|
destroy_surface(&window); |
||||||
|
fini_egl(&display); |
||||||
|
|
||||||
|
if (display.shell) |
||||||
|
wl_shell_destroy(display.shell); |
||||||
|
|
||||||
|
if (display.compositor) |
||||||
|
wl_compositor_destroy(display.compositor); |
||||||
|
|
||||||
|
wl_display_flush(display.display); |
||||||
|
wl_display_disconnect(display.display); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
Loading…
Reference in new issue