diff options
Diffstat (limited to 'pixman/pixman/pixman-image.c')
| -rw-r--r-- | pixman/pixman/pixman-image.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/pixman/pixman/pixman-image.c b/pixman/pixman/pixman-image.c index d9c303441..6f076d5c6 100644 --- a/pixman/pixman/pixman-image.c +++ b/pixman/pixman/pixman-image.c @@ -373,6 +373,10 @@ compute_image_info (pixman_image_t *image) case PIXMAN_FILTER_CONVOLUTION: break; + case PIXMAN_FILTER_SEPARABLE_CONVOLUTION: + flags |= FAST_PATH_SEPARABLE_CONVOLUTION_FILTER; + break; + default: flags |= FAST_PATH_NO_CONVOLUTION_FILTER; break; @@ -515,8 +519,9 @@ compute_image_info (pixman_image_t *image) * if all channels are opaque, so we simply turn it off * unconditionally for those images. */ - if (image->common.alpha_map || - image->common.filter == PIXMAN_FILTER_CONVOLUTION || + if (image->common.alpha_map || + image->common.filter == PIXMAN_FILTER_CONVOLUTION || + image->common.filter == PIXMAN_FILTER_SEPARABLE_CONVOLUTION || image->common.component_alpha) { flags &= ~(FAST_PATH_IS_OPAQUE | FAST_PATH_SAMPLES_OPAQUE); @@ -679,6 +684,19 @@ pixman_image_set_filter (pixman_image_t * image, if (params == common->filter_params && filter == common->filter) return TRUE; + if (filter == PIXMAN_FILTER_SEPARABLE_CONVOLUTION) + { + int width = pixman_fixed_to_int (params[0]); + int height = pixman_fixed_to_int (params[1]); + int x_phase_bits = pixman_fixed_to_int (params[2]); + int y_phase_bits = pixman_fixed_to_int (params[3]); + int n_x_phases = (1 << x_phase_bits); + int n_y_phases = (1 << y_phase_bits); + + return_val_if_fail ( + n_params == 4 + n_x_phases * width + n_y_phases * height, FALSE); + } + new_params = NULL; if (params) { |