aboutsummaryrefslogtreecommitdiff
path: root/render/pixman
diff options
context:
space:
mode:
Diffstat (limited to 'render/pixman')
-rw-r--r--render/pixman/renderer.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/render/pixman/renderer.c b/render/pixman/renderer.c
index d7ed3eae..b58ee1b4 100644
--- a/render/pixman/renderer.c
+++ b/render/pixman/renderer.c
@@ -127,7 +127,7 @@ error_buffer:
return NULL;
}
-static void pixman_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
+static bool pixman_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
uint32_t height) {
struct wlr_pixman_renderer *renderer = get_renderer(wlr_renderer);
renderer->width = width;
@@ -139,9 +139,11 @@ static void pixman_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
void *data = NULL;
uint32_t drm_format;
size_t stride;
- wlr_buffer_begin_data_ptr_access(buffer->buffer,
- WLR_BUFFER_DATA_PTR_ACCESS_READ | WLR_BUFFER_DATA_PTR_ACCESS_WRITE,
- &data, &drm_format, &stride);
+ if (!wlr_buffer_begin_data_ptr_access(buffer->buffer,
+ WLR_BUFFER_DATA_PTR_ACCESS_READ | WLR_BUFFER_DATA_PTR_ACCESS_WRITE,
+ &data, &drm_format, &stride)) {
+ return false;
+ }
// If the data pointer has changed, re-create the Pixman image. This can
// happen if it's a client buffer and the wl_shm_pool has been resized.
@@ -149,10 +151,18 @@ static void pixman_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
pixman_format_code_t format = get_pixman_format_from_drm(drm_format);
assert(format != 0);
- pixman_image_unref(buffer->image);
- buffer->image = pixman_image_create_bits_no_clear(format,
+ pixman_image_t *image = pixman_image_create_bits_no_clear(format,
buffer->buffer->width, buffer->buffer->height, data, stride);
+ if (image == NULL) {
+ wlr_buffer_end_data_ptr_access(buffer->buffer);
+ return false;
+ }
+
+ pixman_image_unref(buffer->image);
+ buffer->image = image;
}
+
+ return true;
}
static void pixman_end(struct wlr_renderer *wlr_renderer) {