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// Copyright (C) 2011 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.
#pragma version(1)
#pragma rs java_package_name(com.android.scenegraph)
#include "rs_graphics.rsh"
#include "transform_def.rsh"
rs_program_vertex gPVBackground;
rs_program_fragment gPFBackground;
rs_allocation gRobotTex;
rs_mesh gRobotMesh;
rs_program_store gPFSBackground;
rs_allocation gDummyAlloc;
rs_script gRenderLoop;
bool gInitialized = false;
float gRotate;
void init() {
gRotate = 0.0f;
}
static int pos = 50;
static float gRotateY = 120.0f;
static float3 gLookAt = 0;
static float gZoom = 50.0f;
static void displayLoading() {
if (rsIsObject(gRobotTex) && rsIsObject(gRobotMesh)) {
rsgBindProgramVertex(gPVBackground);
rs_matrix4x4 proj;
float aspect = (float)rsgGetWidth() / (float)rsgGetHeight();
rsMatrixLoadPerspective(&proj, 30.0f, aspect, 1.0f, 100.0f);
rsgProgramVertexLoadProjectionMatrix(&proj);
rsgBindProgramFragment(gPFBackground);
rsgBindProgramStore(gPFSBackground);
rsgBindTexture(gPFBackground, 0, gRobotTex);
rs_matrix4x4 matrix;
rsMatrixLoadIdentity(&matrix);
// Position our models on the screen
gRotateY += rsGetDt()*100;
rsMatrixTranslate(&matrix, 0, 0, -gZoom);
rsMatrixRotate(&matrix, 20.0f, 1.0f, 0.0f, 0.0f);
rsMatrixRotate(&matrix, gRotateY, 0.0f, 1.0f, 0.0f);
rsMatrixScale(&matrix, 0.2f, 0.2f, 0.2f);
rsgProgramVertexLoadModelMatrix(&matrix);
rsgDrawMesh(gRobotMesh);
}
uint width = rsgGetWidth();
uint height = rsgGetHeight();
int left = 0, right = 0, top = 0, bottom = 0;
const char* text = "Initializing...";
rsgMeasureText(text, &left, &right, &top, &bottom);
int centeredPos = width / 2 - (right - left) / 2;
rsgDrawText(text, centeredPos, height / 2 + height / 10);
}
int root(void) {
rs_allocation nullAlloc;
if (!gInitialized) {
rsgClearColor(1.0f, 1.0f, 1.0f, 1.0f);
rsgClearDepth(1.0f);
displayLoading();
return 30;
}
rsForEach(gRenderLoop, gDummyAlloc, nullAlloc);
return 10;
}
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