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Commit 625dd56a authored by Stan Iliev's avatar Stan Iliev
Browse files

Fix recent apps in system UI for Skia pipeline

Enable HW Bitmaps for Skia pipeline just enough to make
recent apps list working by adding support for BitmapShader.
Drawing HW bitmaps in a canvas is also supported.

Test: recent apps work, HWUI unit tests pass, CTS tests pass.
bug: 38136140
Change-Id: Ibd06c859c86dc213310d5ce5272497e1882d0cc6
Merged-In: Ibd06c859c86dc213310d5ce5272497e1882d0cc6
parent 7cf5f74f
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+6 −3
Original line number Diff line number Diff line
@@ -60,14 +60,17 @@ static void Shader_safeUnref(JNIEnv* env, jobject o, jlong shaderHandle) {
static jlong BitmapShader_constructor(JNIEnv* env, jobject o, jlong matrixPtr, jobject jbitmap,
        jint tileModeX, jint tileModeY) {
    const SkMatrix* matrix = reinterpret_cast<const SkMatrix*>(matrixPtr);
    SkBitmap bitmap;
    sk_sp<SkImage> image;
    if (jbitmap) {
        // Only pass a valid SkBitmap object to the constructor if the Bitmap exists. Otherwise,
        // we'll pass an empty SkBitmap to avoid crashing/excepting for compatibility.
        android::bitmap::toBitmap(env, jbitmap).getSkBitmapForShaders(&bitmap);
        image = android::bitmap::toBitmap(env, jbitmap).makeImage(nullptr);
    }

    sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode);
    if (!image.get()) {
        SkBitmap bitmap;
        image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode);
    }
    sk_sp<SkShader> baseShader = image->makeShader(
            (SkShader::TileMode)tileModeX, (SkShader::TileMode)tileModeY);

+38 −3
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@
#include "Bitmap.h"

#include "Caches.h"
#include "pipeline/skia/SkiaOpenGLPipeline.h"
#include "renderthread/EglManager.h"
#include "renderthread/RenderThread.h"
#include "renderthread/RenderProxy.h"
@@ -34,11 +35,15 @@
#include <private/gui/ComposerService.h>
#include <binder/IServiceManager.h>
#include <ui/PixelFormat.h>
#include <GrTexture.h>

#include <SkCanvas.h>
#include <SkImagePriv.h>

namespace android {

Mutex Bitmap::gLock;

static bool computeAllocationSize(size_t rowBytes, int height, size_t* size) {
    int32_t rowBytes32 = SkToS32(rowBytes);
    int64_t bigSize = (int64_t) height * rowBytes32;
@@ -317,8 +322,7 @@ sk_sp<Bitmap> Bitmap::createFrom(sp<GraphicBuffer> graphicBuffer) {
        return nullptr;
    }
    SkImageInfo info = SkImageInfo::Make(graphicBuffer->getWidth(), graphicBuffer->getHeight(),
            kRGBA_8888_SkColorType, kPremul_SkAlphaType,
            SkColorSpace::MakeSRGB());
            kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());
    return sk_sp<Bitmap>(new Bitmap(graphicBuffer.get(), info));
}

@@ -393,6 +397,7 @@ Bitmap::Bitmap(GraphicBuffer* buffer, const SkImageInfo& info)
    mPixelStorage.hardware.buffer = buffer;
    buffer->incStrong(buffer);
    mRowBytes = bytesPerPixel(buffer->getPixelFormat()) * buffer->getStride();
    setImmutable(); // HW bitmaps are always immutable
}

Bitmap::~Bitmap() {
@@ -486,7 +491,13 @@ void Bitmap::setAlphaType(SkAlphaType alphaType) {
void Bitmap::getSkBitmap(SkBitmap* outBitmap) {
    outBitmap->setHasHardwareMipMap(mHasHardwareMipMap);
    if (isHardware()) {
        if (uirenderer::Properties::isSkiaEnabled()) {
            // TODO: add color correctness for Skia pipeline - pass null color space for now
            outBitmap->allocPixels(SkImageInfo::Make(info().width(), info().height(),
                    info().colorType(), info().alphaType(), nullptr));
        } else {
            outBitmap->allocPixels(info());
        }
        uirenderer::renderthread::RenderProxy::copyGraphicBufferInto(graphicBuffer(), outBitmap);
        return;
    }
@@ -512,4 +523,28 @@ GraphicBuffer* Bitmap::graphicBuffer() {
    return nullptr;
}

sk_sp<SkImage> Bitmap::makeImage(const uirenderer::renderthread::RenderThread* renderThread) {
    AutoMutex _lock(gLock); //TODO: implement lock free solution
    auto image = mImage;
    //TODO: use new API SkImage::isValid() instead of SkImage::getTexture()->getContext()
    if (!image.get() || (image->getTexture() && nullptr == image->getTexture()->getContext())) {
        if (isHardware() && uirenderer::RenderPipelineType::SkiaGL
                == uirenderer::Properties::getRenderPipelineType()) {
            //TODO: add Vulkan support
            if (renderThread) {
                image = uirenderer::skiapipeline::SkiaOpenGLPipeline::makeTextureImage(
                        *renderThread, this);
            } else {
                image = uirenderer::renderthread::RenderProxy::makeTextureImage(this);
            }
        } else {
            SkBitmap skiaBitmap;
            getSkBitmapForShaders(&skiaBitmap);
            image = SkMakeImageFromRasterBitmap(skiaBitmap, kNever_SkCopyPixelsMode);
        }
        mImage = image;
    }
    return image;
}

} // namespace android
+12 −0
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@
#include <SkPixelRef.h>
#include <cutils/compiler.h>
#include <ui/GraphicBuffer.h>
#include <utils/Mutex.h>
#include <SkImage.h>

namespace android {

@@ -111,6 +113,13 @@ public:
    }

    GraphicBuffer* graphicBuffer();

    // makeImage creates or returns a cached SkImage. Can be invoked from UI or render thread.
    // If invoked on the render thread, then RenderThread* argument is required.
    // If not invoked on the render thread, then RenderThread* must be nullptr.
    // makeImage is wrapping a gralloc buffer with an EGLImage and is passing a texture to Skia.
    // This is a temporary implementation until Skia can wrap the gralloc buffer in a SkImage.
    sk_sp<SkImage> makeImage(const uirenderer::renderthread::RenderThread*);
protected:
    virtual bool onNewLockPixels(LockRec* rec) override;
    virtual void onUnlockPixels() override { };
@@ -145,6 +154,9 @@ private:
            GraphicBuffer* buffer;
        } hardware;
    } mPixelStorage;

    sk_sp<SkImage> mImage;
    static Mutex gLock;
};

} //namespace android
 No newline at end of file
+83 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@

#include <cutils/properties.h>
#include <strings.h>
#include <SkImagePriv.h>
#include <gl/GrGLTypes.h>

using namespace android::uirenderer::renderthread;

@@ -197,6 +199,87 @@ void SkiaOpenGLPipeline::invokeFunctor(const RenderThread& thread, Functor* func
    }
}

static void deleteImageTexture(void* context) {
     EGLImageKHR EGLimage = reinterpret_cast<EGLImageKHR>(context);
     if (EGLimage != EGL_NO_IMAGE_KHR) {
        EGLDisplay display = eglGetCurrentDisplay();
        if (EGL_NO_DISPLAY == display) {
            display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
        }
        eglDestroyImageKHR(display, EGLimage);
     }
}

sk_sp<SkImage> SkiaOpenGLPipeline::makeTextureImage(
        const uirenderer::renderthread::RenderThread& renderThread, Bitmap* bitmap) {
    renderThread.eglManager().initialize();

    GraphicBuffer* buffer = bitmap->graphicBuffer();
    EGLDisplay display = eglGetCurrentDisplay();
    if (EGL_NO_DISPLAY == display) {
        display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    }
    LOG_ALWAYS_FATAL_IF(!bitmap->isHardware(),
                "Texture image requires a HW bitmap.");
    // We use an EGLImage to access the content of the GraphicBuffer
    // The EGL image is later bound to a 2D texture
    EGLClientBuffer clientBuffer = (EGLClientBuffer) buffer->getNativeBuffer();
    EGLint imageAttrs[] = { EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE };
    EGLImageKHR EGLimage = eglCreateImageKHR(display, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
            clientBuffer, imageAttrs);
    if (EGLimage == EGL_NO_IMAGE_KHR) {
        ALOGW("Could not create EGL image, err =%s",
                uirenderer::renderthread::EglManager::eglErrorString());
        return nullptr;
    }

    GLuint textureId = 0;
    glGenTextures(1, &textureId);
    glBindTexture(GL_TEXTURE_EXTERNAL_OES, textureId);
    glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, EGLimage);

    GLenum status = GL_NO_ERROR;
    while ((status = glGetError()) != GL_NO_ERROR) {
        ALOGW("glEGLImageTargetTexture2DOES failed (%#x)", status);
        eglDestroyImageKHR(display, EGLimage);
        return nullptr;
    }

    sk_sp<GrContext> grContext = sk_ref_sp(renderThread.getGrContext());
    grContext->resetContext();

    GrGLTextureInfo textureInfo;
    textureInfo.fTarget = GL_TEXTURE_EXTERNAL_OES;
    textureInfo.fID = textureId;

    GrBackendTextureDesc textureDescription;
    textureDescription.fWidth = bitmap->info().width();
    textureDescription.fHeight = bitmap->info().height();
    textureDescription.fOrigin = kTopLeft_GrSurfaceOrigin;
    textureDescription.fTextureHandle = reinterpret_cast<GrBackendObject>(&textureInfo);
    PixelFormat format = buffer->getPixelFormat();
    switch (format) {
    case PIXEL_FORMAT_RGBA_8888:
        textureDescription.fConfig = kRGBA_8888_GrPixelConfig;
        break;
    case PIXEL_FORMAT_RGBA_FP16:
        textureDescription.fConfig = kRGBA_half_GrPixelConfig;
        break;
    default:
        eglDestroyImageKHR(display, EGLimage);
        return nullptr;
    }

    // TODO: add color correctness - pass null color space for now
    sk_sp<SkImage> image = SkImage::MakeFromTexture(grContext.get(), textureDescription,
                bitmap->info().alphaType(), nullptr, deleteImageTexture, EGLimage);
    if (!image.get()) {
        eglDestroyImageKHR(display, EGLimage);
        return nullptr;
    }
    return image;
}

} /* namespace skiapipeline */
} /* namespace uirenderer */
} /* namespace android */
+2 −0
Original line number Diff line number Diff line
@@ -46,6 +46,8 @@ public:
    bool isContextReady() override;

    static void invokeFunctor(const renderthread::RenderThread& thread, Functor* functor);
    static sk_sp<SkImage> makeTextureImage(
            const uirenderer::renderthread::RenderThread& renderThread, Bitmap* bitmap);

private:
    renderthread::EglManager& mEglManager;
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