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authorSteve Kondik <steve@cyngn.com>2016-08-01 01:31:00 -0700
committerSteve Kondik <steve@cyngn.com>2016-08-01 13:08:02 -0700
commit534f85743096c2ac853329ab239b204d96efe665 (patch)
tree3d3598675336ffba92d561b13697d1c1802deb1a
parentf5486d6f47d4649b983f5c4f2a6f52706c27fd09 (diff)
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surfaceflinger: Cleanups for blur
* Dynamically load it so no direct linkage or headers are required. Change-Id: I4eba035f527ae4f0fa2485e24a8586145baf0adc
-rw-r--r--services/surfaceflinger/Android.mk6
-rw-r--r--services/surfaceflinger/LayerBlur.cpp93
-rw-r--r--services/surfaceflinger/LayerBlur.h38
3 files changed, 109 insertions, 28 deletions
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 4a6d320..2d907fa 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -129,12 +129,6 @@ ifeq ($(TARGET_USES_QCOM_BSP), true)
ExSurfaceFlinger/ExHWComposer.cpp
endif
-ifeq ($(TARGET_HAVE_UI_BLUR),true)
- LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/ui
- LOCAL_SHARED_LIBRARIES += libuiblur
- LOCAL_CFLAGS += -DUI_BLUR
-endif
-
LOCAL_MODULE := libsurfaceflinger
LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
diff --git a/services/surfaceflinger/LayerBlur.cpp b/services/surfaceflinger/LayerBlur.cpp
index 4f5a72d..a49ff39 100644
--- a/services/surfaceflinger/LayerBlur.cpp
+++ b/services/surfaceflinger/LayerBlur.cpp
@@ -25,6 +25,7 @@
#include <stdint.h>
#include <sys/types.h>
#include <time.h>
+#include <dlfcn.h>
#include <utils/Errors.h>
#include <utils/Log.h>
@@ -90,16 +91,11 @@ static void setupMesh(Mesh& mesh, int width, int height, int viewportHeight) {
texCoords[3] = vec2(1.0f, 1.0f);
}
-
LayerBlur::LayerBlur(SurfaceFlinger* flinger, const sp<Client>& client,
const String8& name, uint32_t w, uint32_t h, uint32_t flags)
- : Layer(flinger, client, name, w, h, flags), mBlurMaskSampling(1), mBlurMaskAlphaThreshold(0.0f)
- ,mLastFrameSequence(0)
+ : Layer(flinger, client, name, w, h, flags), mBlurMaskSampling(1),
+ mBlurMaskAlphaThreshold(0.0f) ,mLastFrameSequence(0)
{
-#ifdef UI_BLUR
- mBlurToken = qtiblur::initBlurToken();
-#endif
-
GLuint texnames[3];
mFlinger->getRenderEngine().genTextures(3, texnames);
mTextureCapture.init(Texture::TEXTURE_2D, texnames[0]);
@@ -108,9 +104,6 @@ LayerBlur::LayerBlur(SurfaceFlinger* flinger, const sp<Client>& client,
}
LayerBlur::~LayerBlur() {
-#ifdef UI_BLUR
- qtiblur::releaseBlurToken(mBlurToken);
-#endif
releaseFbo(mFboCapture);
releaseFbo(mFboMasking);
@@ -168,18 +161,15 @@ void LayerBlur::onDraw(const sp<const DisplayDevice>& hw, const Region& /*clip*/
// blur
size_t outTexWidth = mTextureBlur.getWidth();
size_t outTexHeight = mTextureBlur.getHeight();
-#ifdef UI_BLUR
- if (!qtiblur::blur(mBlurToken,
- s.blur,
+ if (mBlurImpl.blur(s.blur,
mTextureCapture.getTextureName(),
mTextureCapture.getWidth(),
mTextureCapture.getHeight(),
mTextureBlur.getTextureName(),
&outTexWidth,
- &outTexHeight)) {
+ &outTexHeight) != OK) {
return;
}
-#endif
// mTextureBlur now has "Blurred image"
mTextureBlur.setDimensions(outTexWidth, outTexHeight);
@@ -411,6 +401,79 @@ void LayerBlur::ensureFbo(FBO& fbo, int width, int height, int textureName) {
}
}
+// ---------------------------------------------------------------------------
+
+void* LayerBlur::BlurImpl::sLibHandle = NULL;
+
+LayerBlur::BlurImpl::initBlurTokenFn LayerBlur::BlurImpl::initBlurToken = NULL;
+LayerBlur::BlurImpl::releaseBlurTokenFn LayerBlur::BlurImpl::releaseBlurToken = NULL;
+LayerBlur::BlurImpl::blurFn LayerBlur::BlurImpl::doBlur = NULL;
+Mutex LayerBlur::BlurImpl::sLock;
+
+void LayerBlur::BlurImpl::closeBlurImpl() {
+ if (sLibHandle != NULL) {
+ dlclose(sLibHandle);
+ sLibHandle = NULL;
+ }
+}
+
+status_t LayerBlur::BlurImpl::initBlurImpl() {
+ if (sLibHandle != NULL) {
+ return OK;
+ }
+ sLibHandle = dlopen("libuiblur.so", RTLD_NOW);
+ if (sLibHandle == NULL) {
+ return NO_INIT;
+ }
+
+ // happy happy joy joy!
+
+ initBlurToken = (initBlurTokenFn)dlsym(sLibHandle,
+ "_ZN7qtiblur13initBlurTokenEv");
+ releaseBlurToken = (releaseBlurTokenFn)dlsym(sLibHandle,
+ "_ZN7qtiblur16releaseBlurTokenEPv");
+
+ if (sizeof(size_t) == 4) {
+ doBlur = (blurFn)dlsym(sLibHandle,
+ "_ZN7qtiblur4blurEPvijjjjPjS1_");
+ } else if (sizeof(size_t) == 8) {
+ doBlur = (blurFn)dlsym(sLibHandle,
+ "_ZN7qtiblur4blurEPvijmmjPmS1_");
+ }
+
+ if (!initBlurToken || !releaseBlurToken || !doBlur) {
+ ALOGE("dlsym failed for blur impl!: %s", dlerror());
+ closeBlurImpl();
+ return NO_INIT;
+ }
+
+ return OK;
+}
+
+LayerBlur::BlurImpl::BlurImpl() {
+ Mutex::Autolock _l(sLock);
+ if (initBlurImpl() == OK) {
+ mToken = initBlurToken();
+ }
+}
+
+LayerBlur::BlurImpl::~BlurImpl() {
+ Mutex::Autolock _l(sLock);
+ if (mToken != NULL) {
+ releaseBlurToken(mToken);
+ }
+}
+
+status_t LayerBlur::BlurImpl::blur(int level, uint32_t inId, size_t inWidth, size_t inHeight,
+ uint32_t outId, size_t* outWidth, size_t* outHeight) {
+ Mutex::Autolock _l(sLock);
+ if (mToken == NULL) {
+ return NO_INIT;
+ }
+ return doBlur(mToken, level, inId, inWidth, inHeight,
+ outId, outWidth, outHeight) ? OK : NO_INIT;
+}
+
// ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/LayerBlur.h b/services/surfaceflinger/LayerBlur.h
index 251423e..63138c4 100644
--- a/services/surfaceflinger/LayerBlur.h
+++ b/services/surfaceflinger/LayerBlur.h
@@ -20,15 +20,12 @@
#ifndef ANDROID_LAYER_BLUR_H
#define ANDROID_LAYER_BLUR_H
+#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include "Layer.h"
-#ifdef UI_BLUR
-#include "Blur.h" // libuiblur.so
-#endif
-
// ---------------------------------------------------------------------------
namespace android {
@@ -58,9 +55,36 @@ public:
virtual bool setBlurMaskAlphaThreshold(float alpha) { mBlurMaskAlphaThreshold = alpha; return true; }
private:
-#ifdef UI_BLUR
- qtiblur::BLUR_TOKEN mBlurToken;
-#endif
+ class BlurImpl {
+ public:
+
+ BlurImpl();
+ ~BlurImpl();
+
+ status_t blur(int level, uint32_t inId, size_t inWidth, size_t inheight,
+ uint32_t outId, size_t* outWidth, size_t* outHeight);
+
+ protected:
+ static status_t initBlurImpl();
+ static void closeBlurImpl();
+ static void* sLibHandle;
+
+ typedef void* (*initBlurTokenFn)();
+ typedef void* (*releaseBlurTokenFn)(void*);
+ typedef void* (*blurFn)(void*, int, uint32_t, size_t, size_t, uint32_t, size_t*, size_t*);
+
+ static initBlurTokenFn initBlurToken;
+ static releaseBlurTokenFn releaseBlurToken;
+ static blurFn doBlur;
+
+ static Mutex sLock;
+
+ private:
+ void* mToken;
+ };
+
+ BlurImpl mBlurImpl;
+
wp<Layer> mBlurMaskLayer;
int32_t mBlurMaskSampling;
float mBlurMaskAlphaThreshold;