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Commit c8df407a authored by Mathias Agopian's avatar Mathias Agopian Committed by Android (Google) Code Review
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Merge "remove a hack that was used only used on h/w we no longer support." into gingerbread

parents e34537b3 5d8f41ca

libs/surfaceflinger/Android.mk

+0 −4
Original line number Diff line number Diff line
@@ -20,10 +20,6 @@ LOCAL_SRC_FILES:= \ 
LOCAL_CFLAGS:= -DLOG_TAG=\"SurfaceFlinger\"

LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES



ifeq ($(TARGET_BOARD_PLATFORM), msm7k)

	LOCAL_CFLAGS += -DDIM_WITH_TEXTURE

endif



# need "-lrt" on Linux simulator to pick up clock_gettime

ifeq ($(TARGET_SIMULATOR),true)

	ifeq ($(HOST_OS),linux)

libs/surfaceflinger/LayerDim.cpp

+1 −68
Original line number Diff line number Diff line
@@ -51,54 +51,6 @@ void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h) 
    sWidth = w;

    sHeight = h;

    sUseTexture = false;

    

#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)



#warning "using a texture to implement LayerDim"

    

    /* On some h/w like msm7K, it is faster to use a texture because the

     * software renderer will defer to copybit, for this to work we need to

     * use an EGLImage texture so copybit can actually make use of it.

     * This burns a full-screen worth of graphic memory.

     */



    const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());

    uint32_t flags = hw.getFlags();



    if (LIKELY(flags & DisplayHardware::DIRECT_TEXTURE)) {

        sp<GraphicBuffer> buffer = new GraphicBuffer(w, h, PIXEL_FORMAT_RGB_565,

                 GraphicBuffer::USAGE_SW_WRITE_OFTEN |

                 GraphicBuffer::USAGE_HW_TEXTURE);

        

        android_native_buffer_t* clientBuf = buffer->getNativeBuffer();



        glGenTextures(1, &sTexId);

        glBindTexture(GL_TEXTURE_2D, sTexId);



        EGLDisplay dpy = eglGetCurrentDisplay();

        sImage = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, 

                EGL_NATIVE_BUFFER_ANDROID, (EGLClientBuffer)clientBuf, 0);

        if (sImage == EGL_NO_IMAGE_KHR) {

            LOGE("eglCreateImageKHR() failed. err=0x%4x", eglGetError());

            return;

        }



        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)sImage);

        GLint error = glGetError();

        if (error != GL_NO_ERROR) {

            eglDestroyImageKHR(dpy, sImage);

            LOGE("glEGLImageTargetTexture2DOES() failed. err=0x%4x", error);

            return;

        }



        // initialize the texture with zeros

        GGLSurface t;

        buffer->lock(&t, GRALLOC_USAGE_SW_WRITE_OFTEN);

        memset(t.data, 0, t.stride * t.height * 2);

        buffer->unlock();

        sUseTexture = true;

    }

#endif

}



LayerDim::~LayerDim()
@@ -124,26 +76,7 @@ void LayerDim::onDraw(const Region& clip) const 
            glDisable(GL_TEXTURE_EXTERNAL_OES);

        }

#endif

#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)

        if (sUseTexture) {

            glBindTexture(GL_TEXTURE_2D, sTexId);

            glEnable(GL_TEXTURE_2D);

            glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

            const GLshort texCoords[4][2] = {

                    { 0,  0 },

                    { 0,  1 },

                    { 1,  1 },

                    { 1,  0 }

            };

            glMatrixMode(GL_TEXTURE);

            glLoadIdentity();

            glEnableClientState(GL_TEXTURE_COORD_ARRAY);

            glTexCoordPointer(2, GL_SHORT, 0, texCoords);

        } else

#endif

        {

        glDisable(GL_TEXTURE_2D);

        }



        GLshort w = sWidth;

        GLshort h = sHeight;