From: Juan Zhao <juan.j.z...@linux.intel.com>
F12:default
F11:scale
F10:driver
F9:fill
F7: set toplevel to back
---
clients/Makefile.am | 6 +-
clients/simple-rect.c | 681 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 686 insertions(+), 1 deletions(-)
create mode 100644 clients/simple-rect.c
diff --git a/clients/Makefile.am b/clients/Makefile.am
index b64c38a..a790095 100644
--- a/clients/Makefile.am
+++ b/clients/Makefile.am
@@ -14,7 +14,8 @@ if BUILD_SIMPLE_CLIENTS
simple_clients_programs = \
simple-egl \
simple-shm \
- simple-touch
+ simple-touch \
+ simple-rect
simple_egl_SOURCES = simple-egl.c
simple_egl_LDADD = $(SIMPLE_CLIENT_LIBS) -lm
@@ -24,6 +25,9 @@ simple_shm_LDADD = $(SIMPLE_CLIENT_LIBS)
simple_touch_SOURCES = simple-touch.c
simple_touch_LDADD = $(SIMPLE_CLIENT_LIBS)
+
+simple_rect_SOURCES = simple-rect.c
+simple_rect_LDADD = $(SIMPLE_CLIENT_LIBS) -lm -lxkbcommon
endif
if BUILD_CLIENTS
diff --git a/clients/simple-rect.c b/clients/simple-rect.c
new file mode 100644
index 0000000..c3a301b
--- /dev/null
+++ b/clients/simple-rect.c
@@ -0,0 +1,681 @@
+/*
+ * Copyright © 2011 Benjamin Franzke
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <math.h>
+#include <assert.h>
+#include <signal.h>
+#include <linux/input.h>
+#include <X11/extensions/XKBcommon.h>
+#include <X11/keysym.h>
+#include <glib.h>
+
+#include <wayland-client.h>
+#include <wayland-egl.h>
+
+#include <GLES2/gl2.h>
+#include <EGL/egl.h>
+
+#define WINDOW_WIDTH 1280
+#define WINDOW_HEIGHT 1024
+
+static void
+redraw(void *data, struct wl_callback *callback, uint32_t time);
+
+struct display {
+ struct wl_display *display;
+ struct wl_compositor *compositor;
+ struct wl_output *output;
+ struct wl_shell *shell;
+ struct {
+ EGLDisplay dpy;
+ EGLContext ctx;
+ EGLConfig conf;
+ } egl;
+ uint32_t mask;
+
+ struct xkb_desc *xkb;
+};
+
+struct window {
+ struct display *display;
+ struct {
+ int width, height;
+ } geometry;
+ struct {
+ GLuint fbo;
+ GLuint color_rbo;
+
+ GLuint program;
+ GLuint rotation_uniform;
+
+ GLuint pos;
+ GLuint col;
+ } gl;
+
+ struct wl_egl_window *native;
+ struct wl_surface *surface;
+ struct wl_shell_surface *shell_surface;
+ struct wl_callback *callback;
+ EGLSurface egl_surface;
+ uint32_t fs_method;
+};
+
+struct input {
+ struct display *display;
+ struct wl_input_device *input_device;
+ uint32_t modifiers;
+ int32_t x, y, sx, sy;
+ struct wl_list link;
+ struct window *keyboard_focus;
+};
+
+static const char *vert_shader_text =
+ "uniform mat4 rotation;\n"
+ "attribute vec4 pos;\n"
+ "attribute vec4 color;\n"
+ "varying vec4 v_color;\n"
+ "void main() {\n"
+ " gl_Position = rotation * pos;\n"
+ " v_color = color;\n"
+ "}\n";
+
+static const char *frag_shader_text =
+ "precision mediump float;\n"
+ "varying vec4 v_color;\n"
+ "void main() {\n"
+ " gl_FragColor = v_color;\n"
+ "}\n";
+
+static void
+handle_configure(void *data, struct wl_shell_surface *shell_surface,
+ uint32_t time, uint32_t edges,
+ int32_t width, int32_t height)
+{
+ struct window *window = data;
+ uint32_t ret;
+ static const EGLint surface_attribs[] = {
+ EGL_ALPHA_FORMAT, EGL_ALPHA_FORMAT_PRE,
+ EGL_NONE
+ };
+
+ if (window->fs_method != WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT)
+ return;
+
+ window->geometry.width = width;
+ window->geometry.height = height;
+ eglMakeCurrent(window->display->egl.dpy, NULL,
+ NULL, window->display->egl.ctx);
+
+ if ( window->egl_surface ) {
+ eglDestroySurface(window->display->egl.dpy,
window->egl_surface);
+ window->egl_surface = NULL;
+ }
+ if ( window->native ) {
+ wl_egl_window_destroy(window->native);
+ window->native = NULL;
+ }
+
+ window->native =
+ wl_egl_window_create(window->surface,
+ window->geometry.width,
+ window->geometry.height);
+
+ window->egl_surface =
+ eglCreateWindowSurface(window->display->egl.dpy,
+ window->display->egl.conf,
+ window->native,
+ surface_attribs);
+
+ ret = eglMakeCurrent(window->display->egl.dpy, window->egl_surface,
+ window->egl_surface, window->display->egl.ctx);
+ assert(ret == EGL_TRUE);
+
+ glViewport(0, 0, window->geometry.width, window->geometry.height);
+ redraw(window, NULL, 0);
+}
+
+static const struct wl_shell_surface_listener shell_surface_listener = {
+ handle_configure,
+};
+
+static void
+destroy_surface(struct window *window)
+{
+ wl_egl_window_destroy(window->native);
+
+ wl_shell_surface_destroy(window->shell_surface);
+ wl_surface_destroy(window->surface);
+
+ if (window->callback)
+ wl_callback_destroy(window->callback);
+}
+static void
+init_egl(struct display *display)
+{
+ static const EGLint context_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+ EGL_NONE
+ };
+
+ static const EGLint config_attribs[] = {
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_ALPHA_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_NONE
+ };
+
+ EGLint major, minor, n;
+ EGLBoolean ret;
+
+ display->egl.dpy = eglGetDisplay(display->display);
+ assert(display->egl.dpy);
+
+ ret = eglInitialize(display->egl.dpy, &major, &minor);
+ assert(ret == EGL_TRUE);
+ ret = eglBindAPI(EGL_OPENGL_ES_API);
+ assert(ret == EGL_TRUE);
+
+ assert(eglChooseConfig(display->egl.dpy, config_attribs,
+ &display->egl.conf, 1, &n) && n == 1);
+
+ display->egl.ctx = eglCreateContext(display->egl.dpy,
+ display->egl.conf,
+ EGL_NO_CONTEXT, context_attribs);
+ assert(display->egl.ctx);
+}
+
+static GLuint
+create_shader(struct window *window, const char *source, GLenum shader_type)
+{
+ GLuint shader;
+ GLint status;
+
+ shader = glCreateShader(shader_type);
+ assert(shader != 0);
+
+ glShaderSource(shader, 1, (const char **) &source, NULL);
+ glCompileShader(shader);
+
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
+ if (!status) {
+ char log[1000];
+ GLsizei len;
+ glGetShaderInfoLog(shader, 1000, &len, log);
+ fprintf(stderr, "Error: compiling %s: %*s\n",
+ shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
+ len, log);
+ exit(1);
+ }
+
+ return shader;
+}
+
+static void
+init_gl(struct window *window)
+{
+ GLuint frag, vert;
+ GLint status;
+
+ glViewport(0, 0, window->geometry.width, window->geometry.height);
+
+ frag = create_shader(window, frag_shader_text, GL_FRAGMENT_SHADER);
+ vert = create_shader(window, vert_shader_text, GL_VERTEX_SHADER);
+
+ window->gl.program = glCreateProgram();
+ glAttachShader(window->gl.program, frag);
+ glAttachShader(window->gl.program, vert);
+ glLinkProgram(window->gl.program);
+
+ glGetProgramiv(window->gl.program, GL_LINK_STATUS, &status);
+ if (!status) {
+ char log[1000];
+ GLsizei len;
+ glGetProgramInfoLog(window->gl.program, 1000, &len, log);
+ fprintf(stderr, "Error: linking:\n%*s\n", len, log);
+ exit(1);
+ }
+
+ glUseProgram(window->gl.program);
+
+ window->gl.pos = 0;
+ window->gl.pos = 1;
+
+ glBindAttribLocation(window->gl.program, window->gl.pos, "pos");
+ glBindAttribLocation(window->gl.program, window->gl.col, "color");
+ glLinkProgram(window->gl.program);
+
+ window->gl.rotation_uniform =
+ glGetUniformLocation(window->gl.program, "rotation");
+}
+
+static void
+create_surface(struct window *window)
+{
+ struct display *display = window->display;
+ EGLBoolean ret;
+ static const EGLint surface_attribs[] = {
+ EGL_ALPHA_FORMAT, EGL_ALPHA_FORMAT_PRE,
+ EGL_NONE
+ };
+
+ window->surface = wl_compositor_create_surface(display->compositor);
+ wl_surface_set_user_data(window->surface, window);
+ window->shell_surface = wl_shell_get_shell_surface(display->shell,
+ window->surface);
+ wl_shell_surface_set_user_data(window->shell_surface, window);
+ window->native =
+ wl_egl_window_create(window->surface,
+ window->geometry.width,
+ window->geometry.height);
+ window->egl_surface =
+ eglCreateWindowSurface(display->egl.dpy,
+ display->egl.conf,
+ window->native,
+ surface_attribs);
+
+ wl_shell_surface_add_listener(window->shell_surface,
+ &shell_surface_listener, window);
+
+ wl_shell_surface_set_toplevel(window->shell_surface);
+
+ ret = eglMakeCurrent(window->display->egl.dpy, window->egl_surface,
+ window->egl_surface, window->display->egl.ctx);
+ assert(ret == EGL_TRUE);
+}
+
+static const struct wl_callback_listener frame_listener;
+
+static void
+redraw(void *data, struct wl_callback *callback, uint32_t time)
+{
+ struct window *window = data;
+ static const GLfloat verts[4][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 1, 1 },
+ { -1, 1 }
+ };
+ static const GLfloat colors[4][3] = {
+ { 1, 0, 0 },
+ { 0, 1, 0 },
+ { 0, 1, 1 },
+ { 0, 0, 1 }
+ };
+ GLfloat angle;
+ GLfloat rotation[4][4] = {
+ { 1, 0, 0, 0 },
+ { 0, 1, 0, 0 },
+ { 0, 0, 1, 0 },
+ { 0, 0, 0, 1 }
+ };
+ /*static const int32_t speed_div = 5;*/
+ static uint32_t start_time = 0;
+
+ if (start_time == 0)
+ start_time = time;
+
+ /*angle = ((time-start_time) / speed_div) % 360 * M_PI / 180.0;*/
+ angle = 0;
+ rotation[0][0] = cos(angle);
+ rotation[0][2] = sin(angle);
+ rotation[2][0] = -sin(angle);
+ rotation[2][2] = cos(angle);
+
+ glUniformMatrix4fv(window->gl.rotation_uniform, 1, GL_FALSE,
+ (GLfloat *) rotation);
+
+ glClearColor(0.0, 0.0, 0.0, 0.5);
+ 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_TRIANGLE_FAN, 0, 4);
+
+ glDisableVertexAttribArray(window->gl.pos);
+ glDisableVertexAttribArray(window->gl.col);
+
+ glFlush();
+
+ eglSwapBuffers(window->display->egl.dpy, window->egl_surface);
+ if (callback)
+ wl_callback_destroy(callback);
+ window->callback = wl_surface_frame(window->surface);
+ wl_callback_add_listener(window->callback, &frame_listener, window);
+}
+
+static const struct wl_callback_listener frame_listener = {
+ redraw
+};
+
+#define FRAMERATE 0
+static void
+key_handler(struct input *input, uint32_t time,
+ uint32_t key, uint32_t sym, uint32_t state)
+{
+ struct window *window = input->keyboard_focus;
+ uint32_t modifiers = input->modifiers;
+
+ if ((modifiers & XKB_COMMON_CONTROL_MASK) &&
+ (modifiers & XKB_COMMON_SHIFT_MASK) &&
+ state)
+ return;
+
+ fprintf(stderr, "key press\n");
+ switch (sym) {
+ case XK_F12:
+ if (!state)
+ break;
+ window->fs_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
+ wl_shell_surface_set_fullscreen(window->shell_surface,
+ window->fs_method,
+ FRAMERATE,
+ window->display->output);
+ break;
+ case XK_F11:
+ if (!state)
+ break;
+ window->fs_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE;
+ wl_shell_surface_set_fullscreen(window->shell_surface,
+ window->fs_method,
+ FRAMERATE,
+ window->display->output);
+ break;
+ case XK_F10:
+ if (!state)
+ break;
+ window->fs_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER;
+ wl_shell_surface_set_fullscreen(window->shell_surface,
+ window->fs_method,
+ FRAMERATE,
+ window->display->output);
+ break;
+ case XK_F9:
+ if (!state)
+ break;
+ window->fs_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_FILL;
+ wl_shell_surface_set_fullscreen(window->shell_surface,
+ window->fs_method,
+ FRAMERATE,
+ window->display->output);
+ break;
+ case XK_F7:
+ if (!state)
+ break;
+ window->fs_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
+ wl_shell_surface_set_toplevel(window->shell_surface);
+ handle_configure(window, NULL, 0, 0, WINDOW_WIDTH,
WINDOW_HEIGHT);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+handle_key(void *data, struct wl_input_device *input_device,
+ uint32_t time, uint32_t key, uint32_t state)
+{
+ struct input *input = data;
+ struct window *window = input->keyboard_focus;
+ struct display *d = input->display;
+ uint32_t code, sym, level;
+
+ code = key + d->xkb->min_key_code;
+ if (!window)
+ return;
+
+ level = 0;
+ if (input->modifiers & XKB_COMMON_SHIFT_MASK &&
+ XkbKeyGroupWidth(d->xkb, code, 0) > 1)
+ level = 1;
+
+ sym = XkbKeySymEntry(d->xkb, code, level, 0);
+
+ if (state)
+ input->modifiers |= d->xkb->map->modmap[code];
+ else
+ input->modifiers &= ~d->xkb->map->modmap[code];
+
+ key_handler(input, time, key, sym, state);
+}
+
+static void
+handle_keyboard_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time,
+ struct wl_surface *surface,
+ struct wl_array *keys)
+{
+ struct input *input = data;
+ struct display *d = input->display;
+ uint32_t *k, *end;
+
+ if (surface)
+ input->keyboard_focus = wl_surface_get_user_data(surface);
+ else
+ input->keyboard_focus = NULL;
+
+ end = keys->data + keys->size;
+ input->modifiers = 0;
+ for (k = keys->data; k < end; k++)
+ input->modifiers |= d->xkb->map->modmap[*k];
+}
+
+static void
+fake_handle_motion(void *data, struct wl_input_device *input_device,
+ uint32_t time,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+ printf ("%s: fake function\n", __FUNCTION__);
+}
+
+static void
+fake_handle_button(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, uint32_t button, uint32_t state)
+{
+ printf ("%s: fake function\n", __FUNCTION__);
+}
+
+static void
+fake_handle_pointer_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+ printf ("%s: fake function\n", __FUNCTION__);
+}
+
+static const struct wl_input_device_listener input_device_listener = {
+ fake_handle_motion,
+ fake_handle_button,
+ handle_key,
+ fake_handle_pointer_focus,
+ handle_keyboard_focus,
+};
+
+
+static void
+display_add_input(struct display *d, uint32_t id)
+{
+ struct input *input;
+
+ input = malloc(sizeof *input);
+ if (input == NULL)
+ return;
+
+ memset(input, 0, sizeof *input);
+ input->display = d;
+ input->input_device =
+ wl_display_bind(d->display, id, &wl_input_device_interface);
+
+ wl_input_device_add_listener(input->input_device,
+ &input_device_listener, input);
+ wl_input_device_set_user_data(input->input_device, input);
+}
+
+static void
+display_handle_global(struct wl_display *display, uint32_t id,
+ const char *interface, uint32_t version, void *data)
+{
+ struct display *d = data;
+
+ if (strcmp(interface, "wl_compositor") == 0) {
+ d->compositor =
+ wl_display_bind(display, id, &wl_compositor_interface);
+ } else if (strcmp(interface, "wl_input_device") == 0) {
+ display_add_input(d, id);
+ } else if (strcmp(interface, "wl_shell") == 0) {
+ d->shell = wl_display_bind(display, id, &wl_shell_interface);
+ } else if (strcmp(interface, "wl_output") == 0) {
+ d->output = wl_display_bind(display, id, &wl_output_interface);
+ }
+}
+
+static int
+event_mask_update(uint32_t mask, void *data)
+{
+ struct display *d = data;
+
+ d->mask = mask;
+
+ return 0;
+}
+
+const char *option_xkb_layout = "us";
+const char *option_xkb_variant = "";
+const char *option_xkb_options = "";
+
+static const GOptionEntry xkb_option_entries[] = {
+ { "xkb-layout", 0, 0, G_OPTION_ARG_STRING,
+ &option_xkb_layout, "XKB Layout" },
+ { "xkb-variant", 0, 0, G_OPTION_ARG_STRING,
+ &option_xkb_variant, "XKB Variant" },
+ { "xkb-options", 0, 0, G_OPTION_ARG_STRING,
+ &option_xkb_options, "XKB Options" },
+ { NULL }
+};
+
+
+
+static void
+init_xkb(struct display *d)
+{
+ struct xkb_rule_names names;
+
+ names.rules = "evdev";
+ names.model = "pc105";
+ names.layout = option_xkb_layout;
+ names.variant = option_xkb_variant;
+ names.options = option_xkb_options;
+
+ d->xkb = xkb_compile_keymap_from_rules(&names);
+ if (!d->xkb) {
+ fprintf(stderr, "Failed to compile keymap\n");
+ exit(1);
+ }
+}
+
+static int running = 1;
+
+static void
+signal_int(int signum)
+{
+ running = 0;
+}
+
+static void
+fini_egl(struct display *display)
+{
+ /* Required, otherwise segfault in egl_dri2.c: dri2_make_current()
+ * on eglReleaseThread(). */
+ eglMakeCurrent(display->egl.dpy, EGL_NO_SURFACE, EGL_NO_SURFACE,
+ EGL_NO_CONTEXT);
+
+ eglTerminate(display->egl.dpy);
+ eglReleaseThread();
+}
+
+int
+main(int argc, char **argv)
+{
+ struct sigaction sigint;
+ struct display display = { 0 };
+ struct window window = { 0 };
+
+ memset(&display, 0, sizeof display);
+ memset(&window, 0, sizeof window);
+
+ window.display = &display;
+ window.geometry.width = WINDOW_WIDTH;
+ window.geometry.height = WINDOW_HEIGHT;
+
+ init_xkb(&display);
+ display.display = wl_display_connect(NULL);
+ assert(display.display);
+
+ wl_display_add_global_listener(display.display,
+ display_handle_global, &display);
+
+ wl_display_get_fd(display.display, event_mask_update, &display);
+ wl_display_iterate(display.display, WL_DISPLAY_READABLE);
+
+ init_egl(&display);
+ create_surface(&window);
+ init_gl(&window);
+
+ redraw(&window, NULL, 0);
+
+ sigint.sa_handler = signal_int;
+ sigemptyset(&sigint.sa_mask);
+ sigint.sa_flags = SA_RESETHAND;
+ sigaction(SIGINT, &sigint, NULL);
+
+ while (running)
+ wl_display_iterate(display.display, display.mask);
+
+ fprintf(stderr, "simple-rect 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_destroy(display.display);
+
+ return 0;
+}
--
1.7.5.4
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