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Commit e88a886d authored by Pablo Ceballos's avatar Pablo Ceballos Committed by android-build-merger
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Merge "SF: Fix arbitrary rotation with inverse display transform" into nyc-dev am: 885ac76b 

am: d3e7cc01

* commit 'd3e7cc01':
  SF: Fix arbitrary rotation with inverse display transform

Change-Id: I56924e0304e6086886f8ae45a4ab40c423e6a2ed
parents d8c2909d d3e7cc01

services/surfaceflinger/Layer.cpp

+3 −20
Original line number Original line Diff line number Diff line
@@ -446,17 +446,10 @@ FloatRect Layer::computeCrop(const sp<const DisplayDevice>& hw) const { 
        if (invTransformOrient & NATIVE_WINDOW_TRANSFORM_ROT_90) {

        if (invTransformOrient & NATIVE_WINDOW_TRANSFORM_ROT_90) {

            invTransformOrient ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

            invTransformOrient ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

                    NATIVE_WINDOW_TRANSFORM_FLIP_H;

                    NATIVE_WINDOW_TRANSFORM_FLIP_H;

            // If the transform has been rotated the axis of flip has been swapped

            // so we need to swap which flip operations we are performing

            bool is_h_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;

            bool is_v_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;

            if (is_h_flipped != is_v_flipped) {

                invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

                        NATIVE_WINDOW_TRANSFORM_FLIP_H;

            }

        }

        }

        // and apply to the current transform

        // and apply to the current transform

        invTransform = (Transform(invTransform) * Transform(invTransformOrient)).getOrientation();

        invTransform = (Transform(invTransformOrient) * Transform(invTransform))

                .getOrientation();

    }

    }





    int winWidth = s.active.w;

    int winWidth = s.active.w;
@@ -643,23 +636,13 @@ void Layer::setGeometry( 
         */

         */

        uint32_t invTransform =

        uint32_t invTransform =

                DisplayDevice::getPrimaryDisplayOrientationTransform();

                DisplayDevice::getPrimaryDisplayOrientationTransform();



        uint32_t t_orientation = transform.getOrientation();

        // calculate the inverse transform

        // calculate the inverse transform

        if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {

        if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {

            invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

            invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

                    NATIVE_WINDOW_TRANSFORM_FLIP_H;

                    NATIVE_WINDOW_TRANSFORM_FLIP_H;

            // If the transform has been rotated the axis of flip has been swapped

            // so we need to swap which flip operations we are performing

            bool is_h_flipped = (t_orientation & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;

            bool is_v_flipped = (t_orientation & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;

            if (is_h_flipped != is_v_flipped) {

                t_orientation ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |

                        NATIVE_WINDOW_TRANSFORM_FLIP_H;

            }

        }

        }

        // and apply to the current transform

        // and apply to the current transform

        transform = Transform(t_orientation) * Transform(invTransform);

        transform = Transform(invTransform) * transform;

    }

    }





    // this gives us only the "orientation" component of the transform

    // this gives us only the "orientation" component of the transform