Initial commit

android/filament-android/src/main/cpp/VertexBuffer.cpp

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jni.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <filament/VertexBuffer.h>
+
+#include "CallbackUtils.h"
+#include "NioUtils.h"
+
+using namespace filament;
+using namespace driver;
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_com_google_android_filament_VertexBuffer_nCreateBuilder(JNIEnv *env, jclass type) {
+    return (jlong) new VertexBuffer::Builder();
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_VertexBuffer_nDestroyBuilder(JNIEnv *env, jclass type,
+        jlong nativeBuilder) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    delete builder;
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_VertexBuffer_nBuilderVertexCount(JNIEnv *env, jclass type,
+        jlong nativeBuilder, jint vertexCount) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    builder->vertexCount((uint32_t) vertexCount);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_VertexBuffer_nBuilderBufferCount(JNIEnv *env, jclass type,
+        jlong nativeBuilder, jint bufferCount) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    builder->bufferCount((uint8_t) bufferCount);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_VertexBuffer_nBuilderAttribute(JNIEnv *env, jclass type,
+        jlong nativeBuilder, jint attribute, jint bufferIndex, jint attributeType, jint byteOffset,
+        jint byteStride) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    builder->attribute((VertexAttribute) attribute, (uint8_t) bufferIndex,
+                       (VertexBuffer::AttributeType) attributeType,
+                       (uint32_t) byteOffset, (uint8_t) byteStride);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_VertexBuffer_nBuilderNormalized(JNIEnv *env, jclass type,
+        jlong nativeBuilder, jint attribute) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    builder->normalized((VertexAttribute) attribute);
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_com_google_android_filament_VertexBuffer_nBuilderBuild(JNIEnv *env, jclass type,
+        jlong nativeBuilder, jlong nativeEngine) {
+    VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
+    Engine *engine = (Engine *) nativeEngine;
+    return (jlong) builder->build(*engine);
+}
+
+extern "C" JNIEXPORT jint JNICALL
+Java_com_google_android_filament_VertexBuffer_nGetVertexCount(JNIEnv *env, jclass type,
+        jlong nativeVertexBuffer) {
+    VertexBuffer *vertexBuffer = (VertexBuffer *) nativeVertexBuffer;
+    return (jint) vertexBuffer->getVertexCount();
+}
+
+extern "C" JNIEXPORT jint JNICALL
+Java_com_google_android_filament_VertexBuffer_nSetBufferAt(JNIEnv *env, jclass type,
+        jlong nativeVertexBuffer, jlong nativeEngine, jint bufferIndex,
+        jobject buffer, jint remaining,
+        jint destOffsetInBytes, jint count, jobject handler, jobject runnable) {
+    VertexBuffer *vertexBuffer = (VertexBuffer *) nativeVertexBuffer;
+    Engine *engine = (Engine *) nativeEngine;
+
+    AutoBuffer nioBuffer(env, buffer, count);
+    void* data = nioBuffer.getData();
+    size_t sizeInBytes = nioBuffer.getSize();
+    if (sizeInBytes > (remaining << nioBuffer.getShift())) {
+        // BufferOverflowException
+        return -1;
+    }
+
+    auto* callback = JniBufferCallback::make(engine, env, handler, runnable, std::move(nioBuffer));
+
+    BufferDescriptor desc(data, sizeInBytes, &JniBufferCallback::invoke, callback);
+
+    vertexBuffer->setBufferAt(*engine, (uint8_t) bufferIndex, std::move(desc),
+            (uint32_t) destOffsetInBytes, (uint32_t) sizeInBytes);
+
+    return 0;
+}