5065a55291
This change adds support for passing surface damage all of the way down from the EGL interface through the consumer side of the BufferQueue. Depends on system/core change Ie645e6a52b37b5c1b3be19481e8348570d1aa62c Bug: 11239309 Change-Id: I4457ea826e9ade4ec187f973851d855b7b93a31b
144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <system/graphics.h>
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#include <ui/Rect.h>
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namespace android {
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const Rect Rect::INVALID_RECT{0, 0, -1, -1};
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static inline int32_t min(int32_t a, int32_t b) {
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return (a < b) ? a : b;
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}
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static inline int32_t max(int32_t a, int32_t b) {
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return (a > b) ? a : b;
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}
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void Rect::makeInvalid() {
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left = 0;
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top = 0;
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right = -1;
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bottom = -1;
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}
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bool Rect::operator <(const Rect& rhs) const {
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if (top < rhs.top) {
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return true;
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} else if (top == rhs.top) {
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if (left < rhs.left) {
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return true;
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} else if (left == rhs.left) {
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if (bottom < rhs.bottom) {
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return true;
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} else if (bottom == rhs.bottom) {
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if (right < rhs.right) {
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return true;
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}
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}
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}
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}
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return false;
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}
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Rect& Rect::offsetTo(int32_t x, int32_t y) {
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right -= left - x;
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bottom -= top - y;
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left = x;
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top = y;
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return *this;
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}
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Rect& Rect::offsetBy(int32_t x, int32_t y) {
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left += x;
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top += y;
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right += x;
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bottom += y;
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return *this;
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}
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const Rect Rect::operator +(const Point& rhs) const {
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const Rect result(left + rhs.x, top + rhs.y, right + rhs.x, bottom + rhs.y);
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return result;
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}
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const Rect Rect::operator -(const Point& rhs) const {
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const Rect result(left - rhs.x, top - rhs.y, right - rhs.x, bottom - rhs.y);
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return result;
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}
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bool Rect::intersect(const Rect& with, Rect* result) const {
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result->left = max(left, with.left);
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result->top = max(top, with.top);
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result->right = min(right, with.right);
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result->bottom = min(bottom, with.bottom);
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return !(result->isEmpty());
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}
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Rect Rect::transform(uint32_t xform, int32_t width, int32_t height) const {
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Rect result(*this);
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if (xform & HAL_TRANSFORM_FLIP_H) {
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result = Rect(width - result.right, result.top, width - result.left,
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result.bottom);
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}
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if (xform & HAL_TRANSFORM_FLIP_V) {
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result = Rect(result.left, height - result.bottom, result.right,
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height - result.top);
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}
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if (xform & HAL_TRANSFORM_ROT_90) {
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int left = height - result.bottom;
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int top = result.left;
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int right = height - result.top;
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int bottom = result.right;
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result = Rect(left, top, right, bottom);
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}
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return result;
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}
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Rect Rect::reduce(const Rect& exclude) const {
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Rect result;
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uint32_t mask = 0;
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mask |= (exclude.left > left) ? 1 : 0;
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mask |= (exclude.top > top) ? 2 : 0;
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mask |= (exclude.right < right) ? 4 : 0;
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mask |= (exclude.bottom < bottom) ? 8 : 0;
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if (mask == 0) {
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// crop entirely covers us
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result.clear();
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} else {
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result = *this;
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if (!(mask & (mask - 1))) {
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// power-of-2, i.e.: just one bit is set
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if (mask & 1) {
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result.right = exclude.left;
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} else if (mask & 2) {
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result.bottom = exclude.top;
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} else if (mask & 4) {
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result.left = exclude.right;
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} else if (mask & 8) {
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result.top = exclude.bottom;
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}
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}
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}
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return result;
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}
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}; // namespace android
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