Merge "Draw overlapping rectangles with color modulated." (2bd52dff) · Commits · e / os / android_frameworks_base

tests/HwAccelerationTest/src/com/android/test/hwui/GLDepthTestActivity.java

+87 −38

Original line number	Diff line number	Diff line
		@@ -22,6 +22,8 @@ import android.content.Context;
		import android.content.pm.ConfigurationInfo;
		import android.graphics.Bitmap;
		import android.graphics.BitmapFactory;
		import android.opengl.EGL14;
		import android.opengl.EGLDisplay;
		import android.opengl.GLES20;
		import android.opengl.GLSurfaceView;
		import android.opengl.GLUtils;
		@@ -29,7 +31,7 @@ import android.opengl.Matrix;
		import android.os.Bundle;
		import android.os.SystemClock;
		import android.util.Log;

		import android.view.MotionEvent;

		import java.io.IOException;
		import java.io.InputStream;
		@@ -54,7 +56,8 @@ public class GLDepthTestActivity extends Activity {
		// 2.0-compatible
		// context, and set an OpenGL ES 2.0-compatible renderer.
		mGLSurfaceView.setEGLContextClientVersion(2);
		mGLSurfaceView.setRenderer(new GLES20TriangleRenderer(this));
		mRenderer = new GLES20TriangleRenderer(this);
		mGLSurfaceView.setRenderer(mRenderer);
		} else {
		throw new IllegalStateException("Can't find OGL ES2.0 context");
		}
		@@ -84,7 +87,17 @@ public class GLDepthTestActivity extends Activity {
		mGLSurfaceView.onPause();
		}

		@Override
		public boolean onTouchEvent(MotionEvent event) {
		Log.i("motion", event.toString());
		if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
		mRenderer.toggleDepthTest();
		}
		return true;
		}

		private GLSurfaceView mGLSurfaceView;
		private GLES20TriangleRenderer mRenderer;

		/*
		* Copyright (C) 2009 The Android Open Source Project Licensed under the
		@@ -99,7 +112,9 @@ public class GLDepthTestActivity extends Activity {
		*/

		class GLES20TriangleRenderer implements GLSurfaceView.Renderer {

		private final static int REPEAT_RECTANGLES = 10;
		private boolean mDepthTestEnabled = true;
		private final static int FRAME_REPEAT_TIMES = 1;
		public GLES20TriangleRenderer(Context context) {
		mContext = context;
		mTriangleVertices = ByteBuffer.allocateDirect(mTriangleVerticesData.length
		@@ -107,12 +122,28 @@ public class GLDepthTestActivity extends Activity {
		mTriangleVertices.put(mTriangleVerticesData).position(0);
		}


		public void toggleDepthTest() {
		mDepthTestEnabled = !mDepthTestEnabled;
		Log.v(TAG, "mDepthTestEnabled is " + mDepthTestEnabled);
		}

		public void onDrawFrame(GL10 glUnused) {
		for (int j = 0 ; j < FRAME_REPEAT_TIMES; j ++) {
		// Ignore the passed-in GL10 interface, and use the GLES20
		// class's static methods instead.
		GLES20.glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
		if (mDepthTestEnabled) {
		GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT \| GLES20.GL_COLOR_BUFFER_BIT);
		} else {
		GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
		}
		GLES20.glUseProgram(mProgram);
		if (mDepthTestEnabled) {
		GLES20.glEnable(GLES20.GL_DEPTH_TEST);
		} else {
		GLES20.glDisable(GLES20.GL_DEPTH_TEST);
		}
		checkGlError("glUseProgram");

		GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
		@@ -131,16 +162,21 @@ public class GLDepthTestActivity extends Activity {
		GLES20.glEnableVertexAttribArray(maTextureHandle);
		checkGlError("glEnableVertexAttribArray maTextureHandle");

		long time = SystemClock.uptimeMillis() % 4000L;
		float angle = 0.090f * ((int) time);
		Matrix.setRotateM(mMMatrix, 0, angle, 0, 0, 1.0f);
		for (int i = 0 ; i < REPEAT_RECTANGLES; i ++) {
		float step = ((float)i) / REPEAT_RECTANGLES;
		Matrix.setIdentityM(mMMatrix, 0);
		Matrix.translateM(mMMatrix, 0, 0, step, step / 2);
		Matrix.scaleM(mMMatrix, 0, 2.0f, 1.0f, 1.0f);
		Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, mMMatrix, 0);
		Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0);

		GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, mMVPMatrix, 0);
		GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 3);
		GLES20.glUniform4f(muOverlayHandle, step , step, step , step);
		GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);
		checkGlError("glDrawArrays");
		}
		}
		}

		public void onSurfaceChanged(GL10 glUnused, int width, int height) {
		// Ignore the passed-in GL10 interface, and use the GLES20
		@@ -174,6 +210,12 @@ public class GLDepthTestActivity extends Activity {
		throw new RuntimeException("Could not get attrib location for uMVPMatrix");
		}

		muOverlayHandle = GLES20.glGetUniformLocation(mProgram, "uOverlay");
		checkGlError("glGetUniformLocation uOverlay");
		if (muOverlayHandle == -1) {
		throw new RuntimeException("Could not get attrib location for muOverlayHandle");
		}

		/*
		* Create our texture. This has to be done each time the surface is
		* created.
		@@ -213,6 +255,10 @@ public class GLDepthTestActivity extends Activity {
		bitmap.recycle();

		Matrix.setLookAtM(mVMatrix, 0, 0, 0, -5, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

		EGLDisplay display = EGL14.eglGetCurrentDisplay();
		EGL14.eglSwapInterval(display, 0);

		}

		private int loadShader(int shaderType, String source) {
		@@ -276,9 +322,10 @@ public class GLDepthTestActivity extends Activity {
		private static final int TRIANGLE_VERTICES_DATA_UV_OFFSET = 3;
		private final float[] mTriangleVerticesData = {
		// X, Y, Z, U, V
		-1.0f, -0.5f, 0, -0.5f, 0.0f,
		1.0f, -0.5f, 0, 1.5f, -0.0f,
		0.0f, 1.11803399f, 0, 0.5f, 1.61803399f };
		-1.0f, -1.0f, 0, 0.0f, 0.0f,
		-1.0f, 1.0f, 0, 0.0f, 1.0f,
		1.0f, -1.0f, 0, 1.0f, 0.0f,
		1.0f, 1.0f, 0, 1.0f, 1.0f, };

		private FloatBuffer mTriangleVertices;

		@@ -296,8 +343,9 @@ public class GLDepthTestActivity extends Activity {
		"precision mediump float;\n" +
		"varying vec2 vTextureCoord;\n" +
		"uniform sampler2D sTexture;\n" +
		"uniform vec4 uOverlay;\n" +
		"void main() {\n" +
		" gl_FragColor = texture2D(sTexture, vTextureCoord);\n" +
		" gl_FragColor = texture2D(sTexture, vTextureCoord) * uOverlay;\n" +
		"}\n";

		private float[] mMVPMatrix = new float[16];
		@@ -310,6 +358,7 @@ public class GLDepthTestActivity extends Activity {
		private int muMVPMatrixHandle;
		private int maPositionHandle;
		private int maTextureHandle;
		private int muOverlayHandle;

		private Context mContext;
		private static final String TAG = "GLES20TriangleRenderer";