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Commit 5994a330 authored by Chih-Chung Chang's avatar Chih-Chung Chang
Browse files

Add support for 180/270 degrees rotation.

parent 32f6863e

include/ui/ISurface.h

+4 −1
Original line number Original line Diff line number Diff line
@@ -55,8 +55,11 @@ public: 
    class BufferHeap {

    class BufferHeap {

    public:

    public:

        enum {

        enum {

            /* rotate source image 90 degrees */

            /* rotate source image */

            ROT_0     = 0,

            ROT_90    = HAL_TRANSFORM_ROT_90,

            ROT_90    = HAL_TRANSFORM_ROT_90,

            ROT_180   = HAL_TRANSFORM_ROT_180,

            ROT_270   = HAL_TRANSFORM_ROT_270,

        };

        };

        BufferHeap();

        BufferHeap();

libs/surfaceflinger/LayerBase.cpp

+14 −5
Original line number Original line Diff line number Diff line
@@ -444,10 +444,19 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const 
        glLoadIdentity();

        glLoadIdentity();





        // the texture's source is rotated

        // the texture's source is rotated

        if (texture.transform == HAL_TRANSFORM_ROT_90) {

        switch (texture.transform) {

            // TODO: handle the other orientations

            case HAL_TRANSFORM_ROT_90:

                glTranslatef(0, 1, 0);

                glTranslatef(0, 1, 0);

                glRotatef(-90, 0, 0, 1);

                glRotatef(-90, 0, 0, 1);

                break;

            case HAL_TRANSFORM_ROT_180:

                glTranslatef(1, 1, 0);

                glRotatef(-180, 0, 0, 1);

                break;

            case HAL_TRANSFORM_ROT_270:

                glTranslatef(1, 0, 0);

                glRotatef(-270, 0, 0, 1);

                break;

        }

        }





        if (texture.NPOTAdjust) {

        if (texture.NPOTAdjust) {