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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <jni.h>
#include <math.h>
#include <string>
#include <utility>
#include <SkColor.h>
#include <SkCanvas.h>
#include <SkBitmap.h>
#include <SkSurface.h>
#include <SkTime.h>
#include <GrContextOptions.h>
#include <GrContext.h>
#include <gl/GrGLInterface.h>
#include <GrBackendSurface.h>
#include <gl/GrGLTypes.h>
#include <Skottie.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES3/gl3.h>
#include <android/trace.h>
#include "JavaInputStreamAdaptor.h"
#define STENCIL_BUFFER_SIZE 8
/*#define ATRACE_NAME(name) ScopedTrace ___tracer(name)
// ATRACE_CALL is an ATRACE_NAME that uses the current function name.
#define ATRACE_CALL() ATRACE_NAME(__FUNCTION__)
namespace {
class ScopedTrace {
public:
inline ScopedTrace(const char *name) {
ATrace_beginSection(name);
}
inline ~ScopedTrace() {
ATrace_endSection();
}
};
}*/
//disable atrace
#define ATRACE_NAME(name)
#define ATRACE_CALL()
struct SkottieRunner {
sk_sp<GrContext> mGrContext;
};
extern "C" JNIEXPORT jlong
JNICALL
Java_org_skia_skottie_SkottieRunner_nCreateProxy(JNIEnv *env, jclass clazz) {
sk_sp<const GrGLInterface> glInterface(GrGLCreateNativeInterface());
if (!glInterface.get()) {
return 0;
}
GrContextOptions options;
options.fDisableDistanceFieldPaths = true;
options.fDisableCoverageCountingPaths = true;
sk_sp<GrContext> grContext = GrContext::MakeGL(std::move(glInterface), options);
if (!grContext.get()) {
return 0;
}
SkottieRunner* skottie = new SkottieRunner();
skottie->mGrContext = grContext;
return (jlong) skottie;
}
extern "C" JNIEXPORT void
JNICALL
Java_org_skia_skottie_SkottieRunner_nDeleteProxy(JNIEnv *env, jclass clazz, jlong nativeProxy) {
if (!nativeProxy) {
return;
}
SkottieRunner* skottie = reinterpret_cast<SkottieRunner*>(nativeProxy);
if (skottie->mGrContext) {
skottie->mGrContext->releaseResourcesAndAbandonContext();
skottie->mGrContext.reset();
}
delete skottie;
}
struct SkottieAnimation {
SkottieRunner *mRunner;
std::unique_ptr<SkStream> mStream;
sk_sp<skottie::Animation> mAnimation;
long mTimeBase;
float mDuration; //in milliseconds
};
extern "C" JNIEXPORT jlong
JNICALL
Java_org_skia_skottie_SkottieRunner_00024SkottieAnimationImpl_nCreateProxy(JNIEnv *env, jobject clazz,
jlong runner, jobject is,
jbyteArray storage) {
if (!runner) {
return 0;
}
SkottieRunner *skottieRunner = reinterpret_cast<SkottieRunner*>(runner);
std::unique_ptr<SkStream> stream(CopyJavaInputStream(env, is, storage));
if (!stream.get()) {
// Cannot create a stream
return 0;
}
SkottieAnimation* skottieAnimation = new SkottieAnimation();
skottieAnimation->mRunner = skottieRunner;
skottieAnimation->mStream = std::move(stream);
skottieAnimation->mAnimation = skottie::Animation::Make(skottieAnimation->mStream.get());
skottieAnimation->mTimeBase = 0.0f; // force a time reset
skottieAnimation->mDuration = 1000 * skottieAnimation->mAnimation->duration();
if (!skottieAnimation->mAnimation) {
//failed to load Bodymovin animation
delete skottieAnimation;
return 0;
}
return (jlong) skottieAnimation;
}
extern "C" JNIEXPORT void
JNICALL
Java_org_skia_skottie_SkottieRunner_00024SkottieAnimationImpl_nDeleteProxy(JNIEnv *env, jclass clazz,
jlong nativeProxy) {
if (!nativeProxy) {
return;
}
SkottieAnimation* skottieAnimation = reinterpret_cast<SkottieAnimation*>(nativeProxy);
delete skottieAnimation;
}
extern "C" JNIEXPORT void
JNICALL
Java_org_skia_skottie_SkottieRunner_00024SkottieAnimationImpl_nDrawFrame(JNIEnv *env, jclass clazz,
jlong nativeProxy, jint width,
jint height,
jboolean wideColorGamut,
jfloat progress) {
ATRACE_NAME("SkottieDrawFrame");
if (!nativeProxy) {
return;
}
SkottieAnimation* skottieAnimation = reinterpret_cast<SkottieAnimation*>(nativeProxy);
auto grContext = skottieAnimation->mRunner->mGrContext;
if (!grContext) {
return;
}
SkColorType colorType;
// setup surface for fbo0
GrGLFramebufferInfo fboInfo;
fboInfo.fFBOID = 0;
if (wideColorGamut) {
fboInfo.fFormat = GL_RGBA16F;
colorType = kRGBA_F16_SkColorType;
} else {
fboInfo.fFormat = GL_RGBA8;
colorType = kN32_SkColorType;
}
GrBackendRenderTarget backendRT(width, height, 0, STENCIL_BUFFER_SIZE, fboInfo);
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
sk_sp<SkSurface> renderTarget(SkSurface::MakeFromBackendRenderTarget(
grContext.get(), backendRT, kBottomLeft_GrSurfaceOrigin, colorType,
nullptr, &props));
auto canvas = renderTarget->getCanvas();
canvas->clear(SK_ColorTRANSPARENT);
if (skottieAnimation->mAnimation) {
skottieAnimation->mAnimation->seek(progress);
SkAutoCanvasRestore acr(canvas, true);
SkRect bounds = SkRect::MakeWH(width, height);
skottieAnimation->mAnimation->render(canvas, &bounds);
}
canvas->flush();
}
extern "C" JNIEXPORT jlong
JNICALL
Java_org_skia_skottie_SkottieRunner_00024SkottieAnimationImpl_nGetDuration(JNIEnv *env,
jclass clazz,
jlong nativeProxy) {
if (!nativeProxy) {
return 0;
}
SkottieAnimation* skottieAnimation = reinterpret_cast<SkottieAnimation*>(nativeProxy);
return (jlong) skottieAnimation->mDuration;
}
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