diff options
Diffstat (limited to 'render/pixman/renderer.c')
| -rw-r--r-- | render/pixman/renderer.c | 22 |
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) { |