diff options
Diffstat (limited to 'EGL/yagl_bimage.c')
| -rw-r--r-- | EGL/yagl_bimage.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/EGL/yagl_bimage.c b/EGL/yagl_bimage.c deleted file mode 100644 index 1265deb..0000000 --- a/EGL/yagl_bimage.c +++ /dev/null @@ -1,208 +0,0 @@ -#include "yagl_bimage.h" -#include "yagl_log.h" -#include "yagl_malloc.h" -#include "yagl_display.h" -#include "yagl_mem.h" -#include <sys/ipc.h> -#include <sys/shm.h> -#include <sys/time.h> -#include <sys/mman.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -struct yagl_bimage *yagl_bimage_create(struct yagl_display *dpy, - uint32_t width, - uint32_t height, - uint32_t depth) -{ - struct yagl_bimage *res = NULL; - XPixmapFormatValues *pfs; - int i, num_formats; - Visual visual; - unsigned int image_bytes = 0; - - YAGL_LOG_FUNC_ENTER(yagl_bimage_create, - "width = %u, height = %u, depth = %u", - width, height, depth); - - res = yagl_malloc0(sizeof(*res)); - - res->width = width; - res->height = height; - res->depth = depth; - res->dpy = dpy; - - pfs = XListPixmapFormats(dpy->x_dpy, &num_formats); - - if (!pfs) { - YAGL_LOG_ERROR("XListPixmapFormats failed"); - - goto fail; - } - - for (i = 0; i < num_formats; ++i) { - if (pfs[i].depth == (int)depth) { - res->bpp = (pfs[i].bits_per_pixel / 8); - break; - } - } - - XFree(pfs); - pfs = NULL; - - if (i == num_formats) { - YAGL_LOG_ERROR("No suitable pixmap format found for depth %u", depth); - - goto fail; - } - - if (dpy->xshm_images_supported) { - res->x_image = XShmCreateImage(dpy->x_dpy, - &visual, - depth, - ZPixmap, - NULL, - &res->x_shm, - width, - height); - if (res->x_image) { - image_bytes = res->x_image->bytes_per_line * res->x_image->height; - - res->x_shm.shmid = shmget(IPC_PRIVATE, image_bytes, IPC_CREAT | 0777); - - if (res->x_shm.shmid != -1) { - res->x_shm.shmaddr = shmat(res->x_shm.shmid, 0, 0); - - if (res->x_shm.shmaddr != (char*)-1) { - if (XShmAttach(dpy->x_dpy, &res->x_shm)) { - res->pixels = res->x_image->data = res->x_shm.shmaddr; - - goto allocated; - } else { - YAGL_LOG_ERROR("XShmAttach failed"); - } - - shmdt(res->x_shm.shmaddr); - res->x_shm.shmaddr = (char*)-1; - } else { - YAGL_LOG_ERROR("shmat failed"); - } - - shmctl(res->x_shm.shmid, IPC_RMID, 0); - res->x_shm.shmid = -1; - } else { - YAGL_LOG_ERROR("shmget failed"); - } - - XDestroyImage(res->x_image); - res->x_image = NULL; - } else { - YAGL_LOG_ERROR("XShmCreateImage failed"); - } - } - -allocated: - if (!dpy->xshm_images_supported || !res->x_image) { - image_bytes = width * height * res->bpp; - - res->pixels = yagl_malloc(image_bytes); - - res->x_image = yagl_malloc0(sizeof(*res->x_image)); - - res->x_image->width = res->width; - res->x_image->height = res->height; - res->x_image->xoffset = 0; - res->x_image->format = ZPixmap; - res->x_image->data = res->pixels; - res->x_image->byte_order = LSBFirst; - res->x_image->bitmap_unit = res->bpp * 8; - res->x_image->bitmap_pad = 8; - res->x_image->depth = res->depth; - res->x_image->bytes_per_line = res->width * res->bpp; - res->x_image->bits_per_pixel = res->bpp * 8; - - if (!XInitImage(res->x_image)) { - YAGL_LOG_ERROR("XInitImage failed"); - - yagl_free(res->x_image); - res->x_image = NULL; - - yagl_free(res->pixels); - res->pixels = NULL; - - goto fail; - } - } - - XSync(dpy->x_dpy, 0); - - if (mlock(res->pixels, res->width * res->height * res->bpp) == -1) - { - fprintf(stderr, "Critical error! Unable to lock YaGL bimage memory: %s!\n", strerror(errno)); - exit(1); - } - - /* - * Probe in immediately. - */ - - yagl_mem_probe_write(res->pixels, res->width * res->height * res->bpp); - - YAGL_LOG_FUNC_EXIT(NULL); - - return res; - -fail: - yagl_free(res); - - YAGL_LOG_FUNC_EXIT(NULL); - - return NULL; -} - -void yagl_bimage_destroy(struct yagl_bimage *bi) -{ - if (munlock(bi->pixels, bi->width * bi->height * bi->bpp) == -1) - { - fprintf(stderr, "Critical error! Unable to unlock YaGL bimage memory: %s!\n", strerror(errno)); - exit(1); - } - - if (bi->x_shm.shmid != -1) { - XShmDetach(bi->dpy->x_dpy, &bi->x_shm); - - shmdt(bi->x_shm.shmaddr); - bi->x_shm.shmaddr = (char*)-1; - - shmctl(bi->x_shm.shmid, IPC_RMID, 0); - bi->x_shm.shmid = -1; - - XDestroyImage(bi->x_image); - bi->x_image = NULL; - - bi->pixels = NULL; - } else { - yagl_free(bi->x_image); - bi->x_image = NULL; - - yagl_free(bi->pixels); - bi->pixels = NULL; - } - - yagl_free(bi); -} - -void yagl_bimage_draw(struct yagl_bimage *bi, Drawable target, GC gc) -{ - if (bi->x_shm.shmid != -1) { - XShmPutImage(bi->dpy->x_dpy, target, gc, bi->x_image, - 0, 0, 0, 0, bi->width, bi->height, 0); - } else { - XPutImage(bi->dpy->x_dpy, target, gc, bi->x_image, - 0, 0, 0, 0, bi->width, bi->height); - } - - XFlush(bi->dpy->x_dpy); -} |