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Diffstat (limited to 'intern/cycles/util/util_rect.h')
-rw-r--r-- | intern/cycles/util/util_rect.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/intern/cycles/util/util_rect.h b/intern/cycles/util/util_rect.h deleted file mode 100644 index 32df9327cbd..00000000000 --- a/intern/cycles/util/util_rect.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Copyright 2017 Blender Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef __UTIL_RECT_H__ -#define __UTIL_RECT_H__ - -#include "util/util_types.h" - -CCL_NAMESPACE_BEGIN - -/* Rectangles are represented as a int4 containing the coordinates of the lower-left and - * upper-right corners in the order (x0, y0, x1, y1). */ - -ccl_device_inline int4 rect_from_shape(int x0, int y0, int w, int h) -{ - return make_int4(x0, y0, x0 + w, y0 + h); -} - -ccl_device_inline int4 rect_expand(int4 rect, int d) -{ - return make_int4(rect.x - d, rect.y - d, rect.z + d, rect.w + d); -} - -/* Returns the intersection of two rects. */ -ccl_device_inline int4 rect_clip(int4 a, int4 b) -{ - return make_int4(max(a.x, b.x), max(a.y, b.y), min(a.z, b.z), min(a.w, b.w)); -} - -ccl_device_inline bool rect_is_valid(int4 rect) -{ - return (rect.z > rect.x) && (rect.w > rect.y); -} - -/* Returns the local row-major index of the pixel inside the rect. */ -ccl_device_inline int coord_to_local_index(int4 rect, int x, int y) -{ - int w = rect.z - rect.x; - return (y - rect.y) * w + (x - rect.x); -} - -/* Finds the coordinates of a pixel given by its row-major index in the rect, - * and returns whether the pixel is inside it. */ -ccl_device_inline bool local_index_to_coord(int4 rect, - int idx, - ccl_private int *x, - ccl_private int *y) -{ - int w = rect.z - rect.x; - *x = (idx % w) + rect.x; - *y = (idx / w) + rect.y; - return (*y < rect.w); -} - -ccl_device_inline int rect_size(int4 rect) -{ - return (rect.z - rect.x) * (rect.w - rect.y); -} - -CCL_NAMESPACE_END - -#endif /* __UTIL_RECT_H__ */ |