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Bug 717283 - Use tiles on-demand. r=pcwalton, snorp

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Instead of tying the tile-buffer in MultiTileLayer directly to the back-buffer
of the page, make sure rendering is always aligned to the tile grid and use
tiles on-demand. This makes better use of tiles when panning/zooming, and opens
up the route for further optimisations.
This commit is contained in:
Chris Lord
2012-01-24 15:39:53 +00:00
parent 88b2a113c8
commit 0438500908
13 changed files with 655 additions and 319 deletions
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15
widget/android/AndroidJavaWrappers.h
View File

@@ -161,8 +161,9 @@ public:
jobject LockBuffer();
unsigned char *LockBufferBits();
void UnlockBuffer();
void BeginDrawing(int aWidth, int aHeight);
void EndDrawing(const nsIntRect &aRect, const nsAString &aMetadata, bool aHasDirectTexture);
void GetRenderOffset(nsIntPoint &aOffset);
bool BeginDrawing(int aWidth, int aHeight, int aTileWidth, int aTileHeight, const nsAString &aMetadata, bool aHasDirectTexture);
void EndDrawing(const nsIntRect &aRect);
private:
static jclass jGeckoSoftwareLayerClientClass;
@@ -170,6 +171,7 @@ private:
static jmethodID jUnlockBufferMethod;
protected:
static jmethodID jGetRenderOffsetMethod;
static jmethodID jBeginDrawingMethod;
static jmethodID jEndDrawingMethod;
};
@@ -434,6 +436,7 @@ public:
int64_t Time() { return mTime; }
const nsIntPoint& P0() { return mP0; }
const nsIntPoint& P1() { return mP1; }
const nsIntPoint& P2() { return mP2; }
double Alpha() { return mAlpha; }
double Beta() { return mBeta; }
double Gamma() { return mGamma; }
@@ -464,6 +467,7 @@ protected:
int64_t mTime;
nsIntPoint mP0;
nsIntPoint mP1;
nsIntPoint mP2;
nsIntRect mRect;
int mFlags, mMetaState;
int mKeyCode, mUnicodeChar;
@@ -480,6 +484,7 @@ protected:
void ReadP0Field(JNIEnv *jenv);
void ReadP1Field(JNIEnv *jenv);
void ReadP2Field(JNIEnv *jenv);
void ReadRectField(JNIEnv *jenv);
void ReadCharactersField(JNIEnv *jenv);
void ReadCharactersExtraField(JNIEnv *jenv);
@@ -490,6 +495,7 @@ protected:
static jfieldID jTimeField;
static jfieldID jP0Field;
static jfieldID jP1Field;
static jfieldID jP2Field;
static jfieldID jAlphaField;
static jfieldID jBetaField;
static jfieldID jGammaField;
@@ -539,9 +545,8 @@ public:
ACTIVITY_START = 17,
BROADCAST = 19,
VIEWPORT = 20,
TILE_SIZE = 21,
VISITED = 22,
NETWORK_CHANGED = 23,
VISITED = 21,
NETWORK_CHANGED = 22,
dummy_java_enum_list_end
};