Files
filament/android/filament-android/src/main/cpp/VertexBuffer.cpp
2021-05-14 13:35:25 -07:00

133 lines
5.1 KiB
C++

/*
* 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 <math/vec3.h>
#include <math/vec4.h>
#include "common/CallbackUtils.h"
#include "common/NioUtils.h"
using namespace filament;
using namespace filament::math;
using namespace backend;
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_nBuilderEnableBufferObjects(JNIEnv *env, jclass type,
jlong nativeBuilder, jboolean enabled) {
VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
builder->enableBufferObjects(enabled);
}
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, jboolean normalized) {
VertexBuffer::Builder* builder = (VertexBuffer::Builder *) nativeBuilder;
builder->normalized((VertexAttribute) attribute, normalized);
}
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);
return 0;
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_VertexBuffer_nSetBufferObjectAt(JNIEnv *env, jclass type,
jlong nativeVertexBuffer, jlong nativeEngine, jint bufferIndex, jlong nativeBufferObject) {
VertexBuffer *vertexBuffer = (VertexBuffer *) nativeVertexBuffer;
Engine *engine = (Engine *) nativeEngine;
BufferObject *bufferObject = (BufferObject *) nativeBufferObject;
vertexBuffer->setBufferObjectAt(*engine, (uint8_t) bufferIndex, bufferObject);
}