79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2018 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 <filament/IndexBuffer.h>
|
|
#include <filament/RenderableManager.h>
|
|
#include <filament/Scene.h>
|
|
#include <filament/VertexBuffer.h>
|
|
#include <filament/View.h>
|
|
|
|
#include <filamentapp/FilamentApp.h>
|
|
|
|
#include <utils/EntityManager.h>
|
|
|
|
using namespace filament;
|
|
|
|
struct App {
|
|
VertexBuffer* vb;
|
|
IndexBuffer* ib;
|
|
Camera* cam;
|
|
utils::Entity renderable;
|
|
};
|
|
|
|
static const filament::math::float2 TRIANGLE_VERTICES[3] = { {1, 0}, {-0.5, 0.866}, {-0.5, -0.866} };
|
|
static constexpr uint16_t TRIANGLE_INDICES[3] = { 0, 1, 2 };
|
|
|
|
int main(int argc, char** argv) {
|
|
Config config;
|
|
config.title = "viewtest";
|
|
config.backend = Engine::Backend::VULKAN;
|
|
|
|
App app;
|
|
auto setup = [&app](Engine* engine, View* view, Scene* scene) {
|
|
view->setClearColor({0, 0, 1, 1});
|
|
view->setViewport({100, 100, 512, 512});
|
|
app.vb = VertexBuffer::Builder()
|
|
.vertexCount(3).bufferCount(1)
|
|
.attribute(VertexAttribute::POSITION, 0, VertexBuffer::AttributeType::FLOAT2, 0, 8)
|
|
.build(*engine);
|
|
app.vb->setBufferAt(*engine, 0,
|
|
VertexBuffer::BufferDescriptor(TRIANGLE_VERTICES, 24, nullptr));
|
|
app.ib = IndexBuffer::Builder()
|
|
.indexCount(3).bufferType(IndexBuffer::IndexType::USHORT)
|
|
.build(*engine);
|
|
app.ib->setBuffer(*engine, IndexBuffer::BufferDescriptor(TRIANGLE_INDICES, 6, nullptr));
|
|
app.renderable = utils::EntityManager::get().create();
|
|
RenderableManager::Builder(1)
|
|
.boundingBox({{ -1, -1, -1 }, { 1, 1, 1 }})
|
|
.geometry(0, RenderableManager::PrimitiveType::TRIANGLES, app.vb, app.ib, 0, 3)
|
|
.build(*engine, app.renderable);
|
|
scene->addEntity(app.renderable);
|
|
app.cam = engine->createCamera();
|
|
view->setCamera(app.cam);
|
|
};
|
|
|
|
auto cleanup = [&app](Engine* engine, View*, Scene*) {
|
|
engine->destroy(app.renderable);
|
|
engine->destroy(app.vb);
|
|
engine->destroy(app.ib);
|
|
engine->destroy(app.cam);
|
|
};
|
|
|
|
FilamentApp::get().run(config, setup, cleanup);
|
|
|
|
return 0;
|
|
}
|