From: Kristian Høgsberg Date: Tue, 2 Dec 2008 20:17:28 +0000 (-0500) Subject: Drop early, obsolete compositor. X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fcb6cbd5d02e56c6230338dd1f58941d62fbb4c1;p=platform%2Fupstream%2Fweston.git Drop early, obsolete compositor. --- diff --git a/compositor.c b/compositor.c deleted file mode 100644 index d76d8f1..0000000 --- a/compositor.c +++ /dev/null @@ -1,196 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "wayland.h" - -struct lame_compositor { - struct wl_compositor base; - void *fb; - int32_t width, height, stride; - int gem_fd; -}; - -struct surface_data { - uint32_t handle; - int32_t width, height, stride; -}; - -void notify_surface_create(struct wl_compositor *compositor, - struct wl_surface *surface) -{ - struct surface_data *sd; - - sd = malloc(sizeof *sd); - if (sd == NULL) - return; - - sd->handle = 0; - wl_surface_set_data(surface, sd); -} - -void notify_surface_destroy(struct wl_compositor *compositor, - struct wl_surface *surface) -{ - struct lame_compositor *lc = (struct lame_compositor *) compositor; - struct surface_data *sd; - struct drm_gem_close close_arg; - int ret; - - sd = wl_surface_get_data(surface); - if (sd == NULL || sd->handle == 0) - return; - - close_arg.handle = sd->handle; - ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg); - if (ret != 0) { - fprintf(stderr, "failed to gem_close handle %d: %m\n", sd->handle); - } - - free(sd); -} - -void notify_surface_attach(struct wl_compositor *compositor, - struct wl_surface *surface, uint32_t name, - uint32_t width, uint32_t height, uint32_t stride) -{ - struct lame_compositor *lc = (struct lame_compositor *) compositor; - struct surface_data *sd; - struct drm_gem_open open_arg; - struct drm_gem_close close_arg; - int ret; - - sd = wl_surface_get_data(surface); - if (sd == NULL) - return; - - if (sd->handle != 0) { - close_arg.handle = sd->handle; - ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg); - if (ret != 0) { - fprintf(stderr, "failed to gem_close name %d: %m\n", name); - } - } - - open_arg.name = name; - ret = ioctl(lc->gem_fd, DRM_IOCTL_GEM_OPEN, &open_arg); - if (ret != 0) { - fprintf(stderr, "failed to gem_open name %d, fd=%d: %m\n", name, lc->gem_fd); - return; - } - - sd->handle = open_arg.handle; - sd->width = width; - sd->height = height; - sd->stride = stride; -} - -void notify_surface_map(struct wl_compositor *compositor, - struct wl_surface *surface, struct wl_map *map) -{ - struct lame_compositor *lc = (struct lame_compositor *) compositor; - struct surface_data *sd; - struct drm_i915_gem_pread pread; - char *data, *dst; - uint32_t size; - int i; - - /* This part is where we actually copy the buffer to screen. - * Needs to be part of the repaint loop, not in the notify_map - * handler. */ - - sd = wl_surface_get_data(surface); - if (sd == NULL) - return; - - size = sd->height * sd->stride; - data = malloc(size); - if (data == NULL) { - fprintf(stderr, "swap buffers malloc failed\n"); - return; - } - - pread.handle = sd->handle; - pread.pad = 0; - pread.offset = 0; - pread.size = size; - pread.data_ptr = (long) data; - - if (ioctl(lc->gem_fd, DRM_IOCTL_I915_GEM_PREAD, &pread)) { - fprintf(stderr, "gem pread failed"); - return; - } - - dst = lc->fb + lc->stride * map->y + map->x * 4; - for (i = 0; i < sd->height; i++) - memcpy(dst + lc->stride * i, data + sd->stride * i, sd->width * 4); - - free(data); -} - -struct wl_compositor_interface interface = { - notify_surface_create, - notify_surface_destroy, - notify_surface_attach, - notify_surface_map -}; - -static const char fb_device[] = "/dev/fb"; -static const char gem_device[] = "/dev/dri/card0"; - -struct wl_compositor * -wl_compositor_create(void) -{ - struct lame_compositor *lc; - struct fb_fix_screeninfo fix; - struct fb_var_screeninfo var; - int fd; - - lc = malloc(sizeof *lc); - if (lc == NULL) - return NULL; - - lc->base.interface = &interface; - - fd = open(fb_device, O_RDWR); - if (fd < 0) { - fprintf(stderr, "open %s failed: %m\n", fb_device); - return NULL; - } - - if (ioctl(fd, FBIOGET_FSCREENINFO, &fix) < 0) { - fprintf(stderr, "fb get fixed failed\n"); - return NULL; - } - - if (ioctl(fd, FBIOGET_VSCREENINFO, &var) < 0) { - fprintf(stderr, "fb get fixed failed\n"); - return NULL; - } - - lc->stride = fix.line_length; - lc->width = var.xres; - lc->height = var.yres; - lc->fb = mmap(NULL, lc->stride * lc->height, - PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - close(fd); - if (lc->fb == MAP_FAILED) { - fprintf(stderr, "fb map failed\n"); - return NULL; - } - - lc->gem_fd = open(gem_device, O_RDWR); - if (lc->gem_fd < 0) { - fprintf(stderr, "failed to open drm device\n"); - return NULL; - } - - return &lc->base; -}