mainnika
/
weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Load and draw background in compositor.

Browse Source
Kristian Høgsberg 16 years ago
parent 4c9f2c9b1a
commit aa5b5bed73
2 changed files with 105 additions and 59 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 4
      Makefile
  2. 160
      egl-compositor.c

4
Makefile
Unescape View File

@ -30,8 +30,8 @@ libwayland.so : $(libwayland_objs)
$(compositors) $(clients) : CFLAGS += $(shell pkg-config --cflags libdrm)
egl_compositor_objs = egl-compositor.o cairo-util.o
egl-compositor.so : CFLAGS += $(EAGLE_CFLAGS) $(shell pkg-config --cflags libpng cairo)
egl-compositor.so : LDLIBS += $(EAGLE_LDLIBS) $(shell pkg-config --libs libpng cairo) -rdynamic
egl-compositor.so : CFLAGS += $(EAGLE_CFLAGS) $(shell pkg-config --cflags libpng cairo gdk-pixbuf-2.0)
egl-compositor.so : LDLIBS += $(EAGLE_LDLIBS) $(shell pkg-config --libs libpng cairo gdk-pixbuf-2.0) -rdynamic
egl-compositor.so : $(egl_compositor_objs)

160
egl-compositor.c
Unescape View File

@ -10,6 +10,8 @@
#include <unistd.h>
#include <signal.h>
#include <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <glib.h>
#include <png.h>
#include "wayland.h"
@ -20,11 +22,6 @@
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
struct pointer {
struct wl_map map;
GLuint texture;
};
struct egl_compositor {
struct wl_compositor base;
EGLDisplay display;
@ -34,10 +31,11 @@ struct egl_compositor {
struct wl_display *wl_display;
int gem_fd;
int width, height;
struct pointer *pointer;
struct egl_surface *pointer;
struct egl_surface *background;
};
struct surface_data {
struct egl_surface {
GLuint texture;
struct wl_map map;
EGLSurface surface;
@ -195,11 +193,11 @@ pointer_path(cairo_t *cr, int x, int y)
cairo_close_path(cr);
}
static struct pointer *
static struct egl_surface *
pointer_create(int x, int y, int width, int height)
{
const int hotspot_x = 16, hotspot_y = 16;
struct pointer *pointer;
struct egl_surface *pointer;
cairo_surface_t *surface;
cairo_t *cr;
int stride;
@ -244,41 +242,87 @@ pointer_create(int x, int y, int width, int height)
pointer->map.y = y;
pointer->map.width = width;
pointer->map.height = height;
pointer->surface = EGL_NO_SURFACE;
return pointer;
}
static void
pointer_destroy(struct pointer *pointer)
egl_surface_destroy(struct egl_surface *es, struct egl_compositor *ec)
{
glDeleteTextures(1, &es->texture);
if (es->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, es->surface);
free(es);
}
static struct egl_surface *
background_create(const char *filename, int width, int height)
{
glDeleteTextures(1, &pointer->texture);
free(pointer);
struct egl_surface *background;
GdkPixbuf *pixbuf;
GError *error = NULL;
int pixbuf_width, pixbuf_height;
void *data;
background = malloc(sizeof *background);
if (background == NULL)
return NULL;
g_type_init();
pixbuf = gdk_pixbuf_new_from_file(filename, &error);
if (error != NULL) {
free(background);
return NULL;
}
pixbuf_width = gdk_pixbuf_get_width(pixbuf);
pixbuf_height = gdk_pixbuf_get_height(pixbuf);
data = gdk_pixbuf_get_pixels(pixbuf);
glGenTextures(1, &background->texture);
glBindTexture(GL_TEXTURE_2D, background->texture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, pixbuf_width, pixbuf_height, 0,
GL_BGR, GL_UNSIGNED_BYTE, data);
background->map.x = 0;
background->map.y = 0;
background->map.width = width;
background->map.height = height;
background->surface = EGL_NO_SURFACE;
return background;
}
static void
draw_surface(struct wl_map *map, GLuint texture)
draw_surface(struct egl_surface *es)
{
GLint vertices[12];
GLint tex_coords[12] = { 0, 0, 0, 1, 1, 0, 1, 1 };
GLuint indices[4] = { 0, 1, 2, 3 };
vertices[0] = map->x;
vertices[1] = map->y;
vertices[0] = es->map.x;
vertices[1] = es->map.y;
vertices[2] = 0;
vertices[3] = map->x;
vertices[4] = map->y + map->height;
vertices[3] = es->map.x;
vertices[4] = es->map.y + es->map.height;
vertices[5] = 0;
vertices[6] = map->x + map->width;
vertices[7] = map->y;
vertices[6] = es->map.x + es->map.width;
vertices[7] = es->map.y;
vertices[8] = 0;
vertices[9] = map->x + map->width;
vertices[10] = map->y + map->height;
vertices[9] = es->map.x + es->map.width;
vertices[10] = es->map.y + es->map.height;
vertices[11] = 0;
glBindTexture(GL_TEXTURE_2D, texture);
glBindTexture(GL_TEXTURE_2D, es->texture);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
/* Assume pre-multiplied alpha for now, this probably
@ -298,19 +342,21 @@ repaint(void *data)
struct egl_compositor *ec = data;
struct wl_surface_iterator *iterator;
struct wl_surface *surface;
struct surface_data *sd;
struct egl_surface *es;
draw_surface(ec->background);
iterator = wl_surface_iterator_create(ec->wl_display, 0);
while (wl_surface_iterator_next(iterator, &surface)) {
sd = wl_surface_get_data(surface);
if (sd == NULL)
es = wl_surface_get_data(surface);
if (es == NULL)
continue;
draw_surface(&sd->map, sd->texture);
draw_surface(es);
}
wl_surface_iterator_destroy(iterator);
draw_surface(&ec->pointer->map, ec->pointer->texture);
draw_surface(ec->pointer);
eglSwapBuffers(ec->display, ec->surface);
@ -339,16 +385,16 @@ static void
notify_surface_create(struct wl_compositor *compositor,
struct wl_surface *surface)
{
struct surface_data *sd;
struct egl_surface *es;
sd = malloc(sizeof *sd);
if (sd == NULL)
es = malloc(sizeof *es);
if (es == NULL)
return;
sd->surface = EGL_NO_SURFACE;
wl_surface_set_data(surface, sd);
es->surface = EGL_NO_SURFACE;
wl_surface_set_data(surface, es);
glGenTextures(1, &sd->texture);
glGenTextures(1, &es->texture);
}
static void
@ -356,18 +402,13 @@ notify_surface_destroy(struct wl_compositor *compositor,
struct wl_surface *surface)
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct egl_surface *es;
sd = wl_surface_get_data(surface);
if (sd == NULL)
es = wl_surface_get_data(surface);
if (es == NULL)
return;
if (sd->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, sd->surface);
glDeleteTextures(1, &sd->texture);
free(sd);
egl_surface_destroy(es, ec);
schedule_repaint(ec);
}
@ -378,27 +419,27 @@ notify_surface_attach(struct wl_compositor *compositor,
uint32_t width, uint32_t height, uint32_t stride)
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct egl_surface *es;
sd = wl_surface_get_data(surface);
if (sd == NULL)
es = wl_surface_get_data(surface);
if (es == NULL)
return;
if (sd->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, sd->surface);
if (es->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, es->surface);
/* FIXME: We need to use a single buffer config without depth
* or stencil buffers here to keep egl from creating auxillary
* buffers for the pixmap here. */
sd->surface = eglCreateSurfaceForName(ec->display, ec->config,
es->surface = eglCreateSurfaceForName(ec->display, ec->config,
name, width, height, stride, NULL);
glBindTexture(GL_TEXTURE_2D, sd->texture);
glBindTexture(GL_TEXTURE_2D, es->texture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
eglBindTexImage(ec->display, sd->surface, GL_TEXTURE_2D);
eglBindTexImage(ec->display, es->surface, GL_TEXTURE_2D);
schedule_repaint(ec);
}
@ -408,13 +449,13 @@ notify_surface_map(struct wl_compositor *compositor,
struct wl_surface *surface, struct wl_map *map)
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct egl_surface *es;
sd = wl_surface_get_data(surface);
if (sd == NULL)
es = wl_surface_get_data(surface);
if (es == NULL)
return;
sd->map = *map;
es->map = *map;
schedule_repaint(ec);
}
@ -428,9 +469,9 @@ notify_surface_copy(struct wl_compositor *compositor,
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
EGLSurface src;
struct surface_data *sd;
struct egl_surface *es;
sd = wl_surface_get_data(surface);
es = wl_surface_get_data(surface);
/* FIXME: glCopyPixels should work, but then we'll have to
* call eglMakeCurrent to set up the src and dest surfaces
@ -440,7 +481,7 @@ notify_surface_copy(struct wl_compositor *compositor,
src = eglCreateSurfaceForName(ec->display, ec->config,
name, x + width, y + height, stride, NULL);
eglCopyNativeBuffers(ec->display, sd->surface, GL_FRONT_LEFT, dst_x, dst_y,
eglCopyNativeBuffers(ec->display, es->surface, GL_FRONT_LEFT, dst_x, dst_y,
src, GL_FRONT_LEFT, x, y, width, height);
schedule_repaint(ec);
}
@ -485,6 +526,7 @@ wl_compositor_create(struct wl_display *display)
EGLConfig configs[64];
EGLint major, minor, count;
struct egl_compositor *ec;
const char *filename;
ec = malloc(sizeof *ec);
if (ec == NULL)
@ -538,6 +580,10 @@ wl_compositor_create(struct wl_display *display)
glMatrixMode(GL_MODELVIEW);
glClearColor(0.0, 0.05, 0.2, 0.0);
filename = getenv("WAYLAND_BACKGROUND");
if (filename == NULL)
filename = "background.jpg";
ec->background = background_create(filename, 1280, 800);
ec->pointer = pointer_create(100, 100, 64, 64);
ec->gem_fd = open(gem_device, O_RDWR);

Write Preview
Loading…
Cancel
Save