diff options
Diffstat (limited to 'wayland/buffers.c')
| -rw-r--r-- | wayland/buffers.c | 127 | 
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; -} | 
