| /* |
| * Copyright (C) 2019 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. |
| */ |
| package android.gameperformance; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.microedition.khronos.opengles.GL; |
| |
| import android.annotation.NonNull; |
| import android.opengl.GLES20; |
| |
| /** |
| * Tests that verifies maximum fill rate per frame can be used to keep FPS close to the device |
| * refresh rate. It works in two modes, blend disabled and blend enabled. This uses few big simple |
| * quad patches. |
| */ |
| public class FillRateOpenGLTest extends RenderPatchOpenGLTest { |
| private final float[] BLEND_COLOR = new float[] { 1.0f, 1.0f, 1.0f, 0.2f }; |
| |
| private final boolean mTestBlend; |
| |
| public FillRateOpenGLTest(@NonNull GamePerformanceActivity activity, boolean testBlend) { |
| super(activity); |
| mTestBlend = testBlend; |
| } |
| |
| @Override |
| public String getName() { |
| return mTestBlend ? "blend_rate" : "fill_rate"; |
| } |
| |
| @Override |
| public String getUnitName() { |
| return "screens"; |
| } |
| |
| @Override |
| public double getUnitScale() { |
| return 0.2; |
| } |
| |
| @Override |
| public void initUnits(double screens) { |
| final CustomOpenGLView view = getView(); |
| final int pixelRate = (int)Math.round(screens * view.getHeight() * view.getWidth()); |
| final int maxPerPath = view.getHeight() * view.getHeight(); |
| |
| final int patchCount = (int)(pixelRate + maxPerPath -1) / maxPerPath; |
| final float patchDimension = |
| (float)((Math.sqrt(2.0f) * pixelRate / patchCount) / maxPerPath); |
| |
| final List<RenderPatchAnimation> renderPatches = new ArrayList<>(); |
| final RenderPatch renderPatch = new RenderPatch(2 /* triangleCount for quad */, |
| patchDimension, |
| RenderPatch.TESSELLATION_BASE); |
| for (int i = 0; i < patchCount; ++i) { |
| renderPatches.add(new RenderPatchAnimation(renderPatch, getView().getRenderRatio())); |
| } |
| setRenderPatches(renderPatches); |
| } |
| |
| @Override |
| public float[] getColor() { |
| return BLEND_COLOR; |
| } |
| |
| @Override |
| public void onBeforeDraw(GL gl) { |
| if (!mTestBlend) { |
| return; |
| } |
| |
| // Enable blend if needed. |
| GLES20.glEnable(GLES20.GL_BLEND); |
| OpenGLUtils.checkGlError("disableBlend"); |
| GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA); |
| OpenGLUtils.checkGlError("blendFunction"); |
| } |
| } |