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Commit 2b9e4f6a authored by Brian Swetland's avatar Brian Swetland
Browse files

support loading EGL libraries from /vendor/lib/egl as well as /system/lib/egl 

Change-Id: Idd9ca85ce3ba6c92234375071b53e5365e689062
parent 1f6bf406

opengl/libs/EGL/Loader.cpp

+15 −13
Original line number Original line Diff line number Diff line
@@ -136,30 +136,24 @@ void* Loader::open(EGLNativeDisplayType display, int impl, egl_connection_t* cnx 
     */

     */

    

    

    void* dso;

    void* dso;

    char path[PATH_MAX];

    int index = int(display);

    int index = int(display);

    driver_t* hnd = 0;

    driver_t* hnd = 0;

    const char* const format = "/system/lib/egl/lib%s_%s.so";

    

    

    char const* tag = getTag(index, impl);

    char const* tag = getTag(index, impl);

    if (tag) {

    if (tag) {

        snprintf(path, PATH_MAX, format, "GLES", tag);

        dso = load_driver("GLES", tag, cnx, EGL | GLESv1_CM | GLESv2);

        dso = load_driver(path, cnx, EGL | GLESv1_CM | GLESv2);

        if (dso) {

        if (dso) {

            hnd = new driver_t(dso);

            hnd = new driver_t(dso);

        } else {

        } else {

            // Always load EGL first

            // Always load EGL first

            snprintf(path, PATH_MAX, format, "EGL", tag);

            dso = load_driver("EGL", tag, cnx, EGL);

            dso = load_driver(path, cnx, EGL);

            if (dso) {

            if (dso) {

                hnd = new driver_t(dso);

                hnd = new driver_t(dso);





                // TODO: make this more automated

                // TODO: make this more automated

                snprintf(path, PATH_MAX, format, "GLESv1_CM", tag);

                hnd->set( load_driver("GLESv1_CM", tag, cnx, GLESv1_CM), GLESv1_CM );

                hnd->set( load_driver(path, cnx, GLESv1_CM), GLESv1_CM );





                snprintf(path, PATH_MAX, format, "GLESv2", tag);

                hnd->set( load_driver("GLESv2", tag, cnx, GLESv2), GLESv2 );

                hnd->set( load_driver(path, cnx, GLESv2), GLESv2 );

            }

            }

        }

        }

    }

    }
@@ -222,13 +216,21 @@ void Loader::init_api(void* dso, 
    }

    }

}

}





void *Loader::load_driver(const char* driver_absolute_path,

void *Loader::load_driver(const char* kind, const char *tag,

        egl_connection_t* cnx, uint32_t mask)

        egl_connection_t* cnx, uint32_t mask)

{

{

    char driver_absolute_path[PATH_MAX];

    const char* const search1 = "/vendor/lib/egl/lib%s_%s.so";

    const char* const search2 = "/system/lib/egl/lib%s_%s.so";



    snprintf(driver_absolute_path, PATH_MAX, search1, kind, tag);

    if (access(driver_absolute_path, R_OK)) {

        snprintf(driver_absolute_path, PATH_MAX, search2, kind, tag);

        if (access(driver_absolute_path, R_OK)) {

        if (access(driver_absolute_path, R_OK)) {

            // this happens often, we don't want to log an error

            // this happens often, we don't want to log an error

            return 0;

            return 0;

        }

        }

    }





    void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL);

    void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL);

    if (dso == 0) {

    if (dso == 0) {

opengl/libs/EGL/Loader.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -74,7 +74,7 @@ public: 
    

    

private:

private:

    Loader();

    Loader();

    void *load_driver(const char* driver, egl_connection_t* cnx, uint32_t mask);

    void *load_driver(const char* kind, const char *tag, egl_connection_t* cnx, uint32_t mask);





    static __attribute__((noinline))

    static __attribute__((noinline))

    void init_api(void* dso, 

    void init_api(void* dso,