diff options
| -rw-r--r-- | core/java/android/view/GLES20Canvas.java | 21 | ||||
| -rw-r--r-- | core/java/android/view/HardwareRenderer.java | 2 | ||||
| -rw-r--r-- | core/jni/android_view_GLES20Canvas.cpp | 10 | ||||
| -rw-r--r-- | docs/html/guide/topics/ui/how-android-draws.jd | 2 | ||||
| -rw-r--r-- | libs/hwui/OpenGLRenderer.cpp | 4 | ||||
| -rw-r--r-- | libs/hwui/OpenGLRenderer.h | 2 | ||||
| -rw-r--r-- | libs/hwui/Properties.h | 5 |
7 files changed, 42 insertions, 4 deletions
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java index c08a402..748ec0c 100644 --- a/core/java/android/view/GLES20Canvas.java +++ b/core/java/android/view/GLES20Canvas.java @@ -189,7 +189,7 @@ class GLES20Canvas extends HardwareCanvas { } private static native int nGetMaximumTextureWidth(); - private static native int nGetMaximumTextureHeight(); + private static native int nGetMaximumTextureHeight(); /////////////////////////////////////////////////////////////////////////// // Setup @@ -268,6 +268,24 @@ class GLES20Canvas extends HardwareCanvas { private static native void nFinish(int renderer); + /** + * Returns the size of the stencil buffer required by the underlying + * implementation. + * + * @return The minimum number of bits the stencil buffer must. Always >= 0. + * + * @hide + */ + public static int getStencilSize() { + return nGetStencilSize(); + } + + private static native int nGetStencilSize(); + + /////////////////////////////////////////////////////////////////////////// + // Functor + /////////////////////////////////////////////////////////////////////////// + @Override public boolean callDrawGLFunction(int drawGLFunction) { return nCallDrawGLFunction(mRenderer, drawGLFunction); @@ -275,7 +293,6 @@ class GLES20Canvas extends HardwareCanvas { private static native boolean nCallDrawGLFunction(int renderer, int drawGLFunction); - /////////////////////////////////////////////////////////////////////////// // Memory /////////////////////////////////////////////////////////////////////////// diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java index 1c9cbbf..e0749de 100644 --- a/core/java/android/view/HardwareRenderer.java +++ b/core/java/android/view/HardwareRenderer.java @@ -1047,7 +1047,7 @@ public abstract class HardwareRenderer { EGL_BLUE_SIZE, 8, EGL_ALPHA_SIZE, 8, EGL_DEPTH_SIZE, 0, - EGL_STENCIL_SIZE, 0, + EGL_STENCIL_SIZE, GLES20Canvas.getStencilSize(), EGL_SURFACE_TYPE, EGL_WINDOW_BIT | (dirtyRegions ? EGL_SWAP_BEHAVIOR_PRESERVED_BIT : 0), EGL_NONE diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp index 6a533c0..32f8780 100644 --- a/core/jni/android_view_GLES20Canvas.cpp +++ b/core/jni/android_view_GLES20Canvas.cpp @@ -188,6 +188,14 @@ static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, renderer->finish(); } +static jint android_view_GLES20Canvas_getStencilSize(JNIEnv* env, jobject clazz) { + return OpenGLRenderer::getStencilSize(); +} + +// ---------------------------------------------------------------------------- +// Functor +// ---------------------------------------------------------------------------- + static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, Functor *functor) { android::uirenderer::Rect dirty; @@ -808,6 +816,8 @@ static JNINativeMethod gMethods[] = { { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, + { "nGetStencilSize", "()I", (void*) android_view_GLES20Canvas_getStencilSize }, + { "nCallDrawGLFunction", "(II)Z", (void*) android_view_GLES20Canvas_callDrawGLFunction }, diff --git a/docs/html/guide/topics/ui/how-android-draws.jd b/docs/html/guide/topics/ui/how-android-draws.jd index 3a57afa..6a8cd86 100644 --- a/docs/html/guide/topics/ui/how-android-draws.jd +++ b/docs/html/guide/topics/ui/how-android-draws.jd @@ -62,7 +62,7 @@ and each View is responsible for drawing itself. <p> The measure pass uses two classes to communicate dimensions. The - {@link android.view.View.MeasureSpec} class is used by Views to tell their parents how they + {@link android.view.ViewGroup.LayoutParams} class is used by Views to tell their parents how they want to be measured and positioned. The base LayoutParams class just describes how big the View wants to be for both width and height. For each dimension, it can specify one of:</p> diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp index cc0e05e..f7d9040 100644 --- a/libs/hwui/OpenGLRenderer.cpp +++ b/libs/hwui/OpenGLRenderer.cpp @@ -127,6 +127,10 @@ OpenGLRenderer::~OpenGLRenderer() { // Setup /////////////////////////////////////////////////////////////////////////////// +uint32_t OpenGLRenderer::getStencilSize() { + return STENCIL_BUFFER_SIZE; +} + void OpenGLRenderer::setViewport(int width, int height) { mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h index ae355bb..d0394af 100644 --- a/libs/hwui/OpenGLRenderer.h +++ b/libs/hwui/OpenGLRenderer.h @@ -141,6 +141,8 @@ public: SkPaint* filterPaint(SkPaint* paint); + ANDROID_API static uint32_t getStencilSize(); + protected: /** * Compose the layer defined in the current snapshot with the layer diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h index 2eae0f1..71fb8da 100644 --- a/libs/hwui/Properties.h +++ b/libs/hwui/Properties.h @@ -37,6 +37,11 @@ // Textures used by layers must have dimensions multiples of this number #define LAYER_SIZE 64 +// Defines the size in bits of the stencil buffer +// Note: We only want 1 bit, but in practice we'll get 8 bits on all GPUs +// for the foreseeable future +#define STENCIL_BUFFER_SIZE 0 + /** * Debug level for app developers. */ |