mirror of
https://gitlab.freedesktop.org/wayland/wayland.git
synced 2025-11-03 09:01:42 -05:00
Use cairo-gl in clients
This commit is contained in:
Kristian Høgsberg
parent
2cdc18452e
commit
a85fe3cf45
5 changed files with 204 additions and 99 deletions
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@ -8,7 +8,7 @@ all : $(egl_clients) $(cairo_clients)
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clean :
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rm -f $(egl_clients) $(cairo_clients) *.o
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flower : flower.o wayland-glib.o
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flower : flower.o window.o wayland-glib.o
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gears : gears.o window.o wayland-glib.o
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screenshot : screenshot.o wayland-glib.o
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terminal : terminal.o window.o wayland-glib.o
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@ -23,5 +23,5 @@ view : LDLIBS += $(POPPLER_LIBS)
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$(egl_clients) : CFLAGS += $(EGL_CLIENT_CFLAGS)
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$(egl_clients) : LDLIBS += -L.. -lwayland $(EGL_CLIENT_LIBS) -lrt -lm
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$(cairo_clients) : CFLAGS += $(CAIRO_CLIENT_CFLAGS)
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$(cairo_clients) : LDLIBS += -L.. -lwayland $(CAIRO_CLIENT_LIBS) -lrt -lm
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$(cairo_clients) : CFLAGS += $(CAIRO_CLIENT_CFLAGS) $(EGL_CLIENT_CFLAGS)
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$(cairo_clients) : LDLIBS += -L.. -lwayland $(CAIRO_CLIENT_LIBS) $(EGL_CLIENT_LIBS) -lrt -lm
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@ -31,10 +31,10 @@
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#include <time.h>
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#include <cairo.h>
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#include <glib.h>
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#include <cairo-drm.h>
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#include "wayland-client.h"
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#include "wayland-glib.h"
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#include "window.h"
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static const char gem_device[] = "/dev/dri/card0";
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static const char socket_name[] = "\0wayland";
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@ -96,49 +96,34 @@ draw_stuff(cairo_surface_t *surface, int width, int height)
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}
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struct flower {
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struct wl_compositor *compositor;
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struct wl_surface *surface;
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struct window *window;
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int x, y, width, height;
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int offset;
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};
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static void
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handle_acknowledge(void *data,
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struct wl_compositor *compositor,
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uint32_t key, uint32_t frame)
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{
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}
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static void
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handle_frame(void *data,
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struct wl_compositor *compositor,
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uint32_t frame, uint32_t timestamp)
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handle_frame(struct window *window,
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uint32_t frame, uint32_t timestamp, void *data)
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{
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struct flower *flower = data;
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wl_surface_map(flower->surface,
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flower->x + cos((flower->offset + timestamp) / 400.0) * 400 - flower->width / 2,
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flower->y + sin((flower->offset + timestamp) / 320.0) * 300 - flower->height / 2,
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flower->width, flower->height);
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wl_compositor_commit(flower->compositor, 0);
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window_move(flower->window,
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flower->x + cos((flower->offset + timestamp) / 400.0) * 400 - flower->width / 2,
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flower->y + sin((flower->offset + timestamp) / 320.0) * 300 - flower->height / 2);
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window_commit(flower->window, 0);
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}
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static const struct wl_compositor_listener compositor_listener = {
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handle_acknowledge,
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handle_frame,
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};
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int main(int argc, char *argv[])
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{
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struct wl_display *display;
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struct wl_visual *visual;
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int fd;
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cairo_device_t *device;
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cairo_surface_t *s;
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struct timespec ts;
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GMainLoop *loop;
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GSource *source;
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struct flower flower;
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struct display *d;
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fd = open(gem_device, O_RDWR);
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if (fd < 0) {
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@ -154,40 +139,34 @@ int main(int argc, char *argv[])
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return -1;
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}
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d = display_create(display, fd);
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source = wl_glib_source_new(display);
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g_source_attach(source, NULL);
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/* Process connection events. */
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wl_display_iterate(display, WL_DISPLAY_READABLE);
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flower.compositor = wl_display_get_compositor(display);
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flower.x = 512;
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flower.y = 384;
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flower.width = 200;
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flower.height = 200;
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flower.surface = wl_compositor_create_surface(flower.compositor);
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flower.window = window_create(d, "flower", flower.x, flower.y,
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flower.width, flower.height);
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clock_gettime(CLOCK_MONOTONIC, &ts);
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srandom(ts.tv_nsec);
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flower.offset = random();
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device = cairo_drm_device_get_for_fd(fd);
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s = cairo_drm_surface_create(device,
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CAIRO_CONTENT_COLOR_ALPHA,
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flower.width, flower.height);
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window_draw(flower.window);
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s = window_get_surface(flower.window);
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if (s == NULL || cairo_surface_status (s) != CAIRO_STATUS_SUCCESS) {
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fprintf(stderr, "failed to create cairo drm surface\n");
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return -1;
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}
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draw_stuff(s, flower.width, flower.height);
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cairo_surface_flush(s);
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visual = wl_display_get_premultiplied_argb_visual(display);
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wl_surface_attach(flower.surface,
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cairo_drm_surface_get_name(s),
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flower.width, flower.height,
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cairo_drm_surface_get_stride(s),
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visual);
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wl_compositor_add_listener(flower.compositor,
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&compositor_listener, &flower);
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wl_compositor_commit(flower.compositor, 0);
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window_set_frame_handler(flower.window, handle_frame, &flower);
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window_commit(flower.window, 0);
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g_main_loop_run(loop);
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@ -339,12 +339,8 @@ handle_frame(void *data,
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uint32_t frame, uint32_t timestamp)
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{
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struct gears *gears = data;
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EGLint name, stride;
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eglExportDRMImageMESA(gears->display,
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gears->image, &name, NULL, &stride);
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window_copy(gears->window, &gears->rectangle, name, stride);
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window_copy_image(gears->window, &gears->rectangle, gears->image);
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window_commit(gears->window, 10);
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205
clients/window.c
205
clients/window.c
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@ -30,7 +30,13 @@
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#include <time.h>
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#include <cairo.h>
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#include <glib.h>
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#include <cairo-drm.h>
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#define EGL_EGLEXT_PROTOTYPES 1
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#define GL_GLEXT_PROTOTYPES 1
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#include <GL/gl.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <cairo-gl.h>
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#include <linux/input.h>
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#include "wayland-util.h"
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@ -46,6 +52,8 @@ struct display {
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struct wl_output *output;
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struct wl_input_device *input_device;
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struct rectangle screen_allocation;
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EGLDisplay dpy;
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EGLContext ctx;
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cairo_device_t *device;
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int fd;
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};
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@ -60,17 +68,21 @@ struct window {
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int drag_x, drag_y;
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int state;
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int fullscreen;
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int decoration;
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struct wl_input_device *grab_device;
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struct wl_input_device *keyboard_device;
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uint32_t name;
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uint32_t modifiers;
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EGLImageKHR *image;
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cairo_surface_t *cairo_surface, *pending_surface;
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int new_surface;
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window_resize_handler_t resize_handler;
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window_key_handler_t key_handler;
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window_keyboard_focus_handler_t keyboard_focus_handler;
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window_frame_handler_t frame_handler;
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void *user_data;
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};
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@ -88,10 +100,65 @@ rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius)
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cairo_close_path(cr);
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}
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static const cairo_user_data_key_t surface_data_key;
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struct surface_data {
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EGLImageKHR image;
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GLuint texture;
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EGLDisplay dpy;
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};
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static void
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surface_data_destroy(void *p)
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{
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struct surface_data *data = p;
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glDeleteTextures(1, &data->texture);
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eglDestroyImageKHR(data->dpy, data->image);
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}
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cairo_surface_t *
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window_create_surface(struct window *window,
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struct rectangle *rectangle)
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{
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struct surface_data *data;
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EGLDisplay dpy = window->display->dpy;
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cairo_surface_t *surface;
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EGLint image_attribs[] = {
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EGL_WIDTH, 0,
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EGL_HEIGHT, 0,
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EGL_IMAGE_FORMAT_MESA, EGL_IMAGE_FORMAT_ARGB8888_MESA,
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EGL_IMAGE_USE_MESA, EGL_IMAGE_USE_SCANOUT_MESA,
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EGL_NONE
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};
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data = malloc(sizeof *data);
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image_attribs[1] = rectangle->width;
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image_attribs[3] = rectangle->height;
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data->image = eglCreateDRMImageMESA(dpy, image_attribs);
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glGenTextures(1, &data->texture);
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data->dpy = dpy;
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glBindTexture(GL_TEXTURE_2D, data->texture);
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, data->image);
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surface = cairo_gl_surface_create_for_texture(window->display->device,
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CAIRO_CONTENT_COLOR_ALPHA,
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data->texture,
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rectangle->width,
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rectangle->height);
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cairo_surface_set_user_data (surface, &surface_data_key,
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data, surface_data_destroy);
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return surface;
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}
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static void
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window_attach_surface(struct window *window)
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{
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struct wl_visual *visual;
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struct surface_data *data;
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EGLint name, stride;
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if (window->pending_surface != NULL)
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return;
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@ -99,12 +166,15 @@ window_attach_surface(struct window *window)
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window->pending_surface =
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cairo_surface_reference(window->cairo_surface);
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data = cairo_surface_get_user_data (window->cairo_surface, &surface_data_key);
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eglExportDRMImageMESA(window->display->dpy, data->image, &name, NULL, &stride);
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visual = wl_display_get_premultiplied_argb_visual(window->display->display);
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wl_surface_attach(window->surface,
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cairo_drm_surface_get_name(window->cairo_surface),
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name,
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window->allocation.width,
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window->allocation.height,
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cairo_drm_surface_get_stride(window->cairo_surface),
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stride,
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visual);
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wl_surface_map(window->surface,
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@ -136,10 +206,7 @@ window_draw_decorations(struct window *window)
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int shadow_dx = 4, shadow_dy = 4;
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window->cairo_surface =
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cairo_drm_surface_create(window->display->device,
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CAIRO_CONTENT_COLOR_ALPHA,
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window->allocation.width,
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window->allocation.height);
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window_create_surface(window, &window->allocation);
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outline = cairo_pattern_create_rgb(0.1, 0.1, 0.1);
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bright = cairo_pattern_create_rgb(0.8, 0.8, 0.8);
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@ -228,10 +295,7 @@ static void
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window_draw_fullscreen(struct window *window)
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{
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window->cairo_surface =
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cairo_drm_surface_create(window->display->device,
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CAIRO_CONTENT_COLOR_ALPHA,
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window->allocation.width,
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window->allocation.height);
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window_create_surface(window, &window->allocation);
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}
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void
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@ -240,7 +304,7 @@ window_draw(struct window *window)
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if (window->cairo_surface != NULL)
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cairo_surface_destroy(window->cairo_surface);
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if (window->fullscreen)
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if (window->fullscreen || !window->decoration)
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window_draw_fullscreen(window);
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else
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window_draw_decorations(window);
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@ -248,6 +312,12 @@ window_draw(struct window *window)
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window->new_surface = 1;
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}
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cairo_surface_t *
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window_get_surface(struct window *window)
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{
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return window->cairo_surface;
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}
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static void
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window_handle_acknowledge(void *data,
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struct wl_compositor *compositor,
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@ -273,6 +343,10 @@ window_handle_frame(void *data,
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struct wl_compositor *compositor,
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uint32_t frame, uint32_t timestamp)
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{
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struct window *window = data;
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if (window->frame_handler)
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(*window->frame_handler)(window, frame, timestamp, window->user_data);
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}
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static const struct wl_compositor_listener compositor_listener = {
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@ -554,7 +628,7 @@ void
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window_get_child_rectangle(struct window *window,
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struct rectangle *rectangle)
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{
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if (window->fullscreen) {
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if (window->fullscreen && !window->decoration) {
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*rectangle = window->allocation;
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} else {
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rectangle->x = window->margin + 10;
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@ -574,38 +648,11 @@ window_set_child_size(struct window *window,
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}
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}
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cairo_surface_t *
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window_create_surface(struct window *window,
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struct rectangle *rectangle)
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{
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return cairo_drm_surface_create(window->display->device,
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CAIRO_CONTENT_COLOR_ALPHA,
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rectangle->width,
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rectangle->height);
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}
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void
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window_copy(struct window *window,
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struct rectangle *rectangle,
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uint32_t name, uint32_t stride)
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window_copy_image(struct window *window,
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struct rectangle *rectangle, EGLImageKHR image)
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{
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cairo_surface_t *surface;
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cairo_t *cr;
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surface = cairo_drm_surface_create_for_name (window->display->device,
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name, CAIRO_FORMAT_ARGB32,
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rectangle->width, rectangle->height,
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stride);
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cr = cairo_create (window->cairo_surface);
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cairo_set_source_surface (cr,
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surface,
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rectangle->x, rectangle->y);
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cairo_paint (cr);
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cairo_destroy (cr);
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cairo_surface_destroy (surface);
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/* set image as read buffer, copy pixels or something... */
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}
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void
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@ -637,6 +684,12 @@ window_set_fullscreen(struct window *window, int fullscreen)
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}
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}
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void
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window_set_decoration(struct window *window, int decoration)
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{
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window->decoration = decoration;
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}
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void
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window_set_resize_handler(struct window *window,
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window_resize_handler_t handler, void *data)
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@ -653,6 +706,14 @@ window_set_key_handler(struct window *window,
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window->user_data = data;
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}
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void
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window_set_frame_handler(struct window *window,
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window_frame_handler_t handler, void *data)
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{
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window->frame_handler = handler;
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window->user_data = data;
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}
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void
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window_set_keyboard_focus_handler(struct window *window,
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window_keyboard_focus_handler_t handler, void *data)
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@ -661,6 +722,19 @@ window_set_keyboard_focus_handler(struct window *window,
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window->user_data = data;
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}
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void
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window_move(struct window *window, int32_t x, int32_t y)
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{
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window->allocation.x = x;
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window->allocation.y = y;
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wl_surface_map(window->surface,
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window->allocation.x - window->margin,
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window->allocation.y - window->margin,
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window->allocation.width,
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window->allocation.height);
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}
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struct window *
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window_create(struct display *display, const char *title,
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int32_t x, int32_t y, int32_t width, int32_t height)
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@ -728,14 +802,57 @@ display_handle_global(struct wl_display *display,
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struct display *
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display_create(struct wl_display *display, int fd)
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{
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PFNEGLGETTYPEDDISPLAYMESA get_typed_display_mesa;
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struct display *d;
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EGLint major, minor, count;
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EGLConfig config;
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static const EGLint config_attribs[] = {
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EGL_SURFACE_TYPE, 0,
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EGL_NO_SURFACE_CAPABLE_MESA, EGL_OPENGL_BIT,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
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EGL_NONE
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||||
};
|
||||
|
||||
d = malloc(sizeof *d);
|
||||
if (d == NULL)
|
||||
return NULL;
|
||||
|
||||
get_typed_display_mesa =
|
||||
(PFNEGLGETTYPEDDISPLAYMESA) eglGetProcAddress("eglGetTypedDisplayMESA");
|
||||
if (get_typed_display_mesa == NULL) {
|
||||
fprintf(stderr, "eglGetDisplayMESA() not found\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
d->dpy = get_typed_display_mesa(EGL_DRM_DISPLAY_TYPE_MESA,
|
||||
(void *) fd);
|
||||
if (!eglInitialize(d->dpy, &major, &minor)) {
|
||||
fprintf(stderr, "failed to initialize display\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!eglChooseConfig(d->dpy, config_attribs, &config, 1, &count) ||
|
||||
count == 0) {
|
||||
fprintf(stderr, "eglChooseConfig() failed\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
eglBindAPI(EGL_OPENGL_API);
|
||||
|
||||
d->ctx = eglCreateContext(d->dpy, config, EGL_NO_CONTEXT, NULL);
|
||||
if (d->ctx == NULL) {
|
||||
fprintf(stderr, "failed to create context\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!eglMakeCurrent(d->dpy, NULL, NULL, d->ctx)) {
|
||||
fprintf(stderr, "faile to make context current\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
d->display = display;
|
||||
d->device = cairo_drm_device_get_for_fd(fd);
|
||||
d->device = cairo_egl_device_create(d->dpy, d->ctx);
|
||||
if (d->device == NULL) {
|
||||
fprintf(stderr, "failed to get cairo drm device\n");
|
||||
return NULL;
|
||||
|
|
|
|||
|
|
@ -68,14 +68,20 @@ void
|
|||
window_set_child_size(struct window *window,
|
||||
struct rectangle *rectangle);
|
||||
void
|
||||
window_copy(struct window *window,
|
||||
struct rectangle *rectangle,
|
||||
uint32_t name, uint32_t stride);
|
||||
window_copy_image(struct window *window,
|
||||
struct rectangle *rectangle,
|
||||
void *image);
|
||||
|
||||
void
|
||||
window_move(struct window *window, int32_t x, int32_t y);
|
||||
|
||||
cairo_surface_t *
|
||||
window_create_surface(struct window *window,
|
||||
struct rectangle *rectangle);
|
||||
|
||||
cairo_surface_t *
|
||||
window_get_surface(struct window *window);
|
||||
|
||||
void
|
||||
window_copy_surface(struct window *window,
|
||||
struct rectangle *rectangle,
|
||||
|
|
@ -84,6 +90,9 @@ window_copy_surface(struct window *window,
|
|||
void
|
||||
window_set_fullscreen(struct window *window, int fullscreen);
|
||||
|
||||
void
|
||||
window_set_decoration(struct window *window, int decoration);
|
||||
|
||||
void
|
||||
window_set_resize_handler(struct window *window,
|
||||
window_resize_handler_t handler, void *data);
|
||||
|
|
@ -101,4 +110,8 @@ void
|
|||
window_set_keyboard_focus_handler(struct window *window,
|
||||
window_keyboard_focus_handler_t handler,
|
||||
void *data);
|
||||
|
||||
void
|
||||
window_set_frame_handler(struct window *window,
|
||||
window_frame_handler_t handler, void *data);
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue