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Diffstat (limited to 'wayland/buffers.c')
-rw-r--r--wayland/buffers.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/wayland/buffers.c b/wayland/buffers.c
deleted file mode 100644
index 3b809e6f..00000000
--- a/wayland/buffers.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#define _XOPEN_SOURCE 500
-#include <wayland-client.h>
-#include <cairo/cairo.h>
-#include <pango/pangocairo.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/mman.h>
-#include "client/buffer.h"
-#include "list.h"
-#include "log.h"
-
-static int create_pool_file(size_t size, char **name) {
- static const char template[] = "sway-client-XXXXXX";
- const char *path = getenv("XDG_RUNTIME_DIR");
- if (!path) {
- return -1;
- }
-
- int ts = (path[strlen(path) - 1] == '/');
-
- *name = malloc(
- strlen(template) +
- strlen(path) +
- (ts ? 0 : 1) + 1);
- sprintf(*name, "%s%s%s", path, ts ? "" : "/", template);
-
- int fd = mkstemp(*name);
-
- if (fd < 0) {
- return -1;
- }
-
- if (ftruncate(fd, size) < 0) {
- close(fd);
- return -1;
- }
-
- return fd;
-}
-
-static void buffer_release(void *data, struct wl_buffer *wl_buffer) {
- struct buffer *buffer = data;
- buffer->busy = false;
-}
-
-static const struct wl_buffer_listener buffer_listener = {
- .release = buffer_release
-};
-
-static struct buffer *create_buffer(struct wl_shm *shm, struct buffer *buf,
- int32_t width, int32_t height, uint32_t format) {
- uint32_t stride = width * 4;
- uint32_t size = stride * height;
-
- char *name;
- int fd = create_pool_file(size, &name);
- if (fd == -1) {
- sway_abort("Unable to allocate buffer");
- return NULL; // never reached
- }
- void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
- buf->buffer = wl_shm_pool_create_buffer(pool, 0,
- width, height, stride, format);
- wl_shm_pool_destroy(pool);
- close(fd);
- unlink(name);
- free(name);
- fd = -1;
-
- buf->width = width;
- buf->height = height;
- buf->surface = cairo_image_surface_create_for_data(data,
- CAIRO_FORMAT_ARGB32, width, height, stride);
- buf->cairo = cairo_create(buf->surface);
- buf->pango = pango_cairo_create_context(buf->cairo);
-
- wl_buffer_add_listener(buf->buffer, &buffer_listener, buf);
- return buf;
-}
-
-static void destroy_buffer(struct buffer *buffer) {
- if (buffer->buffer) {
- wl_buffer_destroy(buffer->buffer);
- }
- if (buffer->cairo) {
- cairo_destroy(buffer->cairo);
- }
- if (buffer->surface) {
- cairo_surface_destroy(buffer->surface);
- }
- if (buffer->pango) {
- g_object_unref(buffer->pango);
- }
- memset(buffer, 0, sizeof(struct buffer));
-}
-
-struct pool_buffer *get_next_buffer(struct wl_shm *shm,
- struct pool_buffer pool[2], uint32_t width, uint32_t height) {
- struct buffer *buffer = NULL;
-
- for (size_t i = 0; i < sizeof(pool) / sizeof(pool[0]); ++i) {
- if (buffers[i].busy) {
- continue;
- }
- buffer = &buffers[i];
- }
-
- if (!buffer) {
- return NULL;
- }
-
- if (buffer->width != width || buffer->height != height) {
- destroy_buffer(buffer);
- }
-
- if (!buffer->buffer) {
- if (!create_buffer(shm, buffer, width, height,
- WL_SHM_FORMAT_ARGB8888)) {
- return NULL;
- }
- }
- return buffer;
-}