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Bug 732756 - Fix overdrawing of checkerboard. r=kats

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Fix overdrawing of the checkerboard layer by letting layers have a concept of
a display-port, and keeping the root layer's display port in track with
Gecko's.
This commit is contained in:
Chris Lord
2012-03-17 15:08:22 +00:00
parent fddf8e2c64
commit d84dae1cac
10 changed files with 119 additions and 43 deletions
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14
widget/android/AndroidJavaWrappers.cpp
View File

@@ -97,7 +97,7 @@ jmethodID AndroidGeckoLayerClient::jBeginDrawingMethod = 0;
jmethodID AndroidGeckoLayerClient::jEndDrawingMethod = 0;
jmethodID AndroidGeckoLayerClient::jSetFirstPaintViewport = 0;
jmethodID AndroidGeckoLayerClient::jSetPageSize = 0;
jmethodID AndroidGeckoLayerClient::jGetViewTransformMethod = 0;
jmethodID AndroidGeckoLayerClient::jSyncViewportInfoMethod = 0;
jmethodID AndroidGeckoLayerClient::jCreateFrameMethod = 0;
jmethodID AndroidGeckoLayerClient::jActivateProgramMethod = 0;
jmethodID AndroidGeckoLayerClient::jDeactivateProgramMethod = 0;
@@ -274,8 +274,8 @@ AndroidGeckoLayerClient::InitGeckoLayerClientClass(JNIEnv *jEnv)
jEndDrawingMethod = getMethod("endDrawing", "()V");
jSetFirstPaintViewport = getMethod("setFirstPaintViewport", "(FFFFF)V");
jSetPageSize = getMethod("setPageSize", "(FFF)V");
jGetViewTransformMethod = getMethod("getViewTransform",
"()Lorg/mozilla/gecko/gfx/ViewTransform;");
jSyncViewportInfoMethod = getMethod("syncViewportInfo",
"(IIII)Lorg/mozilla/gecko/gfx/ViewTransform;");
jCreateFrameMethod = getMethod("createFrame", "()Lorg/mozilla/gecko/gfx/LayerRenderer$Frame;");
jActivateProgramMethod = getMethod("activateProgram", "()V");
jDeactivateProgramMethod = getMethod("deactivateProgram", "()V");
@@ -707,9 +707,9 @@ AndroidGeckoLayerClient::SetPageSize(float aZoom, float aPageWidth, float aPageH
}
void
AndroidGeckoLayerClient::GetViewTransform(nsIntPoint& aScrollOffset, float& aScaleX, float& aScaleY)
AndroidGeckoLayerClient::SyncViewportInfo(const nsIntRect& aDisplayPort, nsIntPoint& aScrollOffset, float& aScaleX, float& aScaleY)
{
NS_ASSERTION(!isNull(), "GetViewTransform called on null layer client!");
NS_ASSERTION(!isNull(), "SyncViewportInfo called on null layer client!");
JNIEnv *env = GetJNIForThread(); // this is called on the compositor thread
if (!env)
return;
@@ -717,7 +717,9 @@ AndroidGeckoLayerClient::GetViewTransform(nsIntPoint& aScrollOffset, float& aSca
AndroidViewTransform viewTransform;
AndroidBridge::AutoLocalJNIFrame jniFrame(env);
jobject viewTransformJObj = env->CallObjectMethod(wrapped_obj, jGetViewTransformMethod);
jobject viewTransformJObj = env->CallObjectMethod(wrapped_obj, jSyncViewportInfoMethod,
aDisplayPort.x, aDisplayPort.y,
aDisplayPort.width, aDisplayPort.height);
NS_ABORT_IF_FALSE(viewTransformJObj, "No view transform object!");
viewTransform.Init(viewTransformJObj);