Move EGLConfig selection to RenderEngine

Bug: 12230666
Change-Id: I8d1111a7e0fd9d9e2525e6a80da8ce46d7dd085d
Signed-off-by: Jesse Hall <jessehall@google.com>
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 9d94c87..ec64390 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -318,128 +318,6 @@
     postMessageAsync(new MessageDestroyGLTexture(getRenderEngine(), texture));
 }
 
-status_t SurfaceFlinger::selectConfigForAttribute(
-        EGLDisplay dpy,
-        EGLint const* attrs,
-        EGLint attribute, EGLint wanted,
-        EGLConfig* outConfig)
-{
-    EGLConfig config = NULL;
-    EGLint numConfigs = -1, n=0;
-    eglGetConfigs(dpy, NULL, 0, &numConfigs);
-    EGLConfig* const configs = new EGLConfig[numConfigs];
-    eglChooseConfig(dpy, attrs, configs, numConfigs, &n);
-
-    if (n) {
-        if (attribute != EGL_NONE) {
-            for (int i=0 ; i<n ; i++) {
-                EGLint value = 0;
-                eglGetConfigAttrib(dpy, configs[i], attribute, &value);
-                if (wanted == value) {
-                    *outConfig = configs[i];
-                    delete [] configs;
-                    return NO_ERROR;
-                }
-            }
-        } else {
-            // just pick the first one
-            *outConfig = configs[0];
-            delete [] configs;
-            return NO_ERROR;
-        }
-    }
-    delete [] configs;
-    return NAME_NOT_FOUND;
-}
-
-class EGLAttributeVector {
-    struct Attribute;
-    class Adder;
-    friend class Adder;
-    KeyedVector<Attribute, EGLint> mList;
-    struct Attribute {
-        Attribute() {};
-        Attribute(EGLint v) : v(v) { }
-        EGLint v;
-        bool operator < (const Attribute& other) const {
-            // this places EGL_NONE at the end
-            EGLint lhs(v);
-            EGLint rhs(other.v);
-            if (lhs == EGL_NONE) lhs = 0x7FFFFFFF;
-            if (rhs == EGL_NONE) rhs = 0x7FFFFFFF;
-            return lhs < rhs;
-        }
-    };
-    class Adder {
-        friend class EGLAttributeVector;
-        EGLAttributeVector& v;
-        EGLint attribute;
-        Adder(EGLAttributeVector& v, EGLint attribute)
-            : v(v), attribute(attribute) {
-        }
-    public:
-        void operator = (EGLint value) {
-            if (attribute != EGL_NONE) {
-                v.mList.add(attribute, value);
-            }
-        }
-        operator EGLint () const { return v.mList[attribute]; }
-    };
-public:
-    EGLAttributeVector() {
-        mList.add(EGL_NONE, EGL_NONE);
-    }
-    void remove(EGLint attribute) {
-        if (attribute != EGL_NONE) {
-            mList.removeItem(attribute);
-        }
-    }
-    Adder operator [] (EGLint attribute) {
-        return Adder(*this, attribute);
-    }
-    EGLint operator [] (EGLint attribute) const {
-       return mList[attribute];
-    }
-    // cast-operator to (EGLint const*)
-    operator EGLint const* () const { return &mList.keyAt(0).v; }
-};
-
-status_t SurfaceFlinger::selectEGLConfig(EGLDisplay display, EGLint nativeVisualId,
-    EGLint renderableType, EGLConfig* config) {
-    // select our EGLConfig. It must support EGL_RECORDABLE_ANDROID if
-    // it is to be used with WIFI displays
-    status_t err;
-    EGLint wantedAttribute;
-    EGLint wantedAttributeValue;
-
-    EGLAttributeVector attribs;
-    if (renderableType) {
-        attribs[EGL_RENDERABLE_TYPE]            = renderableType;
-        attribs[EGL_RECORDABLE_ANDROID]         = EGL_TRUE;
-        attribs[EGL_SURFACE_TYPE]               = EGL_WINDOW_BIT|EGL_PBUFFER_BIT;
-        attribs[EGL_FRAMEBUFFER_TARGET_ANDROID] = EGL_TRUE;
-        attribs[EGL_RED_SIZE]                   = 8;
-        attribs[EGL_GREEN_SIZE]                 = 8;
-        attribs[EGL_BLUE_SIZE]                  = 8;
-        wantedAttribute                         = EGL_NONE;
-        wantedAttributeValue                    = EGL_NONE;
-
-    } else {
-        // if no renderable type specified, fallback to a simplified query
-        wantedAttribute                         = EGL_NATIVE_VISUAL_ID;
-        wantedAttributeValue                    = nativeVisualId;
-    }
-
-    err = selectConfigForAttribute(display, attribs, wantedAttribute,
-        wantedAttributeValue, config);
-    if (err == NO_ERROR) {
-        EGLint caveat;
-        if (eglGetConfigAttrib(display, *config, EGL_CONFIG_CAVEAT, &caveat))
-            ALOGW_IF(caveat == EGL_SLOW_CONFIG, "EGL_SLOW_CONFIG selected!");
-    }
-    return err;
-}
-
 class DispSyncSource : public VSyncSource, private DispSync::Callback {
 public:
     DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync) :
@@ -521,51 +399,12 @@
     mHwc = new HWComposer(this,
             *static_cast<HWComposer::EventHandler *>(this));
 
-    // First try to get an ES2 config
-    err = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(), EGL_OPENGL_ES2_BIT,
-            &mEGLConfig);
-
-    if (err != NO_ERROR) {
-        // If ES2 fails, try ES1
-        err = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(),
-                EGL_OPENGL_ES_BIT, &mEGLConfig);
-    }
-
-    if (err != NO_ERROR) {
-        // still didn't work, probably because we're on the emulator...
-        // try a simplified query
-        ALOGW("no suitable EGLConfig found, trying a simpler query");
-        err = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(), 0, &mEGLConfig);
-    }
-
-    if (err != NO_ERROR) {
-        // this EGL is too lame for android
-        LOG_ALWAYS_FATAL("no suitable EGLConfig found, giving up");
-    }
-
-    // print some debugging info
-    EGLint r,g,b,a;
-    eglGetConfigAttrib(mEGLDisplay, mEGLConfig, EGL_RED_SIZE,   &r);
-    eglGetConfigAttrib(mEGLDisplay, mEGLConfig, EGL_GREEN_SIZE, &g);
-    eglGetConfigAttrib(mEGLDisplay, mEGLConfig, EGL_BLUE_SIZE,  &b);
-    eglGetConfigAttrib(mEGLDisplay, mEGLConfig, EGL_ALPHA_SIZE, &a);
-    ALOGI("EGL informations:");
-    ALOGI("vendor    : %s", eglQueryString(mEGLDisplay, EGL_VENDOR));
-    ALOGI("version   : %s", eglQueryString(mEGLDisplay, EGL_VERSION));
-    ALOGI("extensions: %s", eglQueryString(mEGLDisplay, EGL_EXTENSIONS));
-    ALOGI("Client API: %s", eglQueryString(mEGLDisplay, EGL_CLIENT_APIS)?:"Not Supported");
-    ALOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, mEGLConfig);
-
     // get a RenderEngine for the given display / config (can't fail)
-    mRenderEngine = RenderEngine::create(mEGLDisplay, mEGLConfig);
+    mRenderEngine = RenderEngine::create(mEGLDisplay, mHwc->getVisualID());
 
     // retrieve the EGL context that was selected/created
     mEGLContext = mRenderEngine->getEGLContext();
 
-    // figure out which format we got
-    eglGetConfigAttrib(mEGLDisplay, mEGLConfig,
-            EGL_NATIVE_VISUAL_ID, &mEGLNativeVisualId);
-
     LOG_ALWAYS_FATAL_IF(mEGLContext == EGL_NO_CONTEXT,
             "couldn't create EGLContext");
 
@@ -584,7 +423,7 @@
             sp<DisplayDevice> hw = new DisplayDevice(this,
                     type, allocateHwcDisplayId(type), isSecure, token,
                     fbs, bq,
-                    mEGLConfig);
+                    mRenderEngine->getEGLConfig());
             if (i > DisplayDevice::DISPLAY_PRIMARY) {
                 // FIXME: currently we don't get blank/unblank requests
                 // for displays other than the main display, so we always
@@ -1347,7 +1186,8 @@
                     if (dispSurface != NULL) {
                         sp<DisplayDevice> hw = new DisplayDevice(this,
                                 state.type, hwcDisplayId, state.isSecure,
-                                display, dispSurface, producer, mEGLConfig);
+                                display, dispSurface, producer,
+                                mRenderEngine->getEGLConfig());
                         hw->setLayerStack(state.layerStack);
                         hw->setProjection(state.orientation,
                                 state.viewport, state.frame);
@@ -2544,7 +2384,6 @@
             "  refresh-rate              : %f fps\n"
             "  x-dpi                     : %f\n"
             "  y-dpi                     : %f\n"
-            "  EGL_NATIVE_VISUAL_ID      : %d\n"
             "  gpu_to_cpu_unsupported    : %d\n"
             ,
             mLastSwapBufferTime/1000.0,
@@ -2553,7 +2392,6 @@
             1e9 / hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY),
             hwc.getDpiX(HWC_DISPLAY_PRIMARY),
             hwc.getDpiY(HWC_DISPLAY_PRIMARY),
-            mEGLNativeVisualId,
             !mGpuToCpuSupported);
 
     result.appendFormat("  eglSwapBuffers time: %f us\n",