First draft of fbo in renderscript.
Updating samples and benchmark
Change-Id: I469bf8b842fca72b59475c8fa024c12cf0e14954
diff --git a/tests/RenderScriptTests/FBOTest/Android.mk b/tests/RenderScriptTests/FBOTest/Android.mk
new file mode 100644
index 0000000..55525c4
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/Android.mk
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2008 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.
+#
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-renderscript-files-under, src)
+
+LOCAL_PACKAGE_NAME := FBOTest
+
+include $(BUILD_PACKAGE)
+
+endif
diff --git a/tests/RenderScriptTests/FBOTest/AndroidManifest.xml b/tests/RenderScriptTests/FBOTest/AndroidManifest.xml
new file mode 100644
index 0000000..c2e0cc6
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/AndroidManifest.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.fbotest">
+ <application android:label="_FBOTest">
+ <activity android:name="FBOTest"
+ android:theme="@android:style/Theme.Black.NoTitleBar">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+</manifest>
diff --git a/tests/RenderScriptTests/FBOTest/res/drawable/robot.png b/tests/RenderScriptTests/FBOTest/res/drawable/robot.png
new file mode 100644
index 0000000..f7353fd
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/res/drawable/robot.png
Binary files differ
diff --git a/tests/RenderScriptTests/FBOTest/res/raw/robot.a3d b/tests/RenderScriptTests/FBOTest/res/raw/robot.a3d
new file mode 100644
index 0000000..f48895c
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/res/raw/robot.a3d
Binary files differ
diff --git a/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTest.java b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTest.java
new file mode 100644
index 0000000..79d60124
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTest.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2008 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 com.android.fbotest;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+
+import android.app.Activity;
+import android.content.res.Configuration;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.provider.Settings.System;
+import android.util.Config;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.MenuInflater;
+import android.view.Window;
+import android.widget.Button;
+import android.widget.ListView;
+import android.net.Uri;
+
+import java.lang.Runtime;
+
+public class FBOTest extends Activity {
+
+ private FBOTestView mView;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ // Create our Preview view and set it as the content of our
+ // Activity
+ mView = new FBOTestView(this);
+ setContentView(mView);
+ }
+
+ @Override
+ protected void onResume() {
+ // Ideally a game should implement onResume() and onPause()
+ // to take appropriate action when the activity looses focus
+ super.onResume();
+ mView.resume();
+ }
+
+ @Override
+ protected void onPause() {
+ // Ideally a game should implement onResume() and onPause()
+ // to take appropriate action when the activity looses focus
+ super.onPause();
+ mView.pause();
+ }
+}
+
diff --git a/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestRS.java b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestRS.java
new file mode 100644
index 0000000..9e30c4b5
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestRS.java
@@ -0,0 +1,205 @@
+/*
+ * 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.
+ */
+
+package com.android.fbotest;
+
+import java.io.Writer;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+import android.renderscript.Element.DataType;
+import android.renderscript.Element.DataKind;
+import android.renderscript.ProgramStore.DepthFunc;
+import android.renderscript.Type.Builder;
+import android.util.Log;
+
+
+public class FBOTestRS {
+
+ public FBOTestRS() {
+ }
+
+ public void init(RenderScriptGL rs, Resources res) {
+ mRS = rs;
+ mRes = res;
+ initRS();
+ }
+
+ public void surfaceChanged() {
+ mRS.getWidth();
+ mRS.getHeight();
+ }
+
+ private Resources mRes;
+ private RenderScriptGL mRS;
+ private Sampler mSampler;
+ private ProgramStore mPSBackground;
+ private ProgramFragment mPFBackground;
+ private ProgramVertex mPVBackground;
+ private ProgramVertexFixedFunction.Constants mPVA;
+
+ private Allocation mGridImage;
+ private Allocation mOffscreen;
+ private Allocation mOffscreenDepth;
+ private Allocation mAllocPV;
+
+ private Font mItalic;
+ private Allocation mTextAlloc;
+
+ private ScriptField_MeshInfo mMeshes;
+ private ScriptC_fbotest mScript;
+
+
+ public void onActionDown(float x, float y) {
+ mScript.invoke_onActionDown(x, y);
+ }
+
+ public void onActionScale(float scale) {
+ mScript.invoke_onActionScale(scale);
+ }
+
+ public void onActionMove(float x, float y) {
+ mScript.invoke_onActionMove(x, y);
+ }
+
+ private void initPFS() {
+ ProgramStore.Builder b = new ProgramStore.Builder(mRS);
+
+ b.setDepthFunc(ProgramStore.DepthFunc.LESS);
+ b.setDitherEnabled(false);
+ b.setDepthMaskEnabled(true);
+ mPSBackground = b.create();
+
+ mScript.set_gPFSBackground(mPSBackground);
+ }
+
+ private void initPF() {
+ Sampler.Builder bs = new Sampler.Builder(mRS);
+ bs.setMinification(Sampler.Value.LINEAR);
+ bs.setMagnification(Sampler.Value.LINEAR);
+ bs.setWrapS(Sampler.Value.CLAMP);
+ bs.setWrapT(Sampler.Value.CLAMP);
+ mSampler = bs.create();
+
+ ProgramFragmentFixedFunction.Builder b = new ProgramFragmentFixedFunction.Builder(mRS);
+ b.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE,
+ ProgramFragmentFixedFunction.Builder.Format.RGBA, 0);
+ mPFBackground = b.create();
+ mPFBackground.bindSampler(mSampler, 0);
+
+ mScript.set_gPFBackground(mPFBackground);
+ }
+
+ private void initPV() {
+ ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS);
+ mPVBackground = pvb.create();
+
+ mPVA = new ProgramVertexFixedFunction.Constants(mRS);
+ ((ProgramVertexFixedFunction)mPVBackground).bindConstants(mPVA);
+
+ mScript.set_gPVBackground(mPVBackground);
+ }
+
+ private void loadImage() {
+ mGridImage = Allocation.createFromBitmapResource(mRS, mRes, R.drawable.robot,
+ Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE,
+ Allocation.USAGE_GRAPHICS_TEXTURE);
+ mScript.set_gTGrid(mGridImage);
+ }
+
+ private void initTextAllocation(String fileName) {
+ String allocString = "Displaying file: " + fileName;
+ mTextAlloc = Allocation.createFromString(mRS, allocString, Allocation.USAGE_SCRIPT);
+ mScript.set_gTextAlloc(mTextAlloc);
+ }
+
+ private void initMeshes(FileA3D model) {
+ int numEntries = model.getIndexEntryCount();
+ int numMeshes = 0;
+ for (int i = 0; i < numEntries; i ++) {
+ FileA3D.IndexEntry entry = model.getIndexEntry(i);
+ if (entry != null && entry.getEntryType() == FileA3D.EntryType.MESH) {
+ numMeshes ++;
+ }
+ }
+
+ if (numMeshes > 0) {
+ mMeshes = new ScriptField_MeshInfo(mRS, numMeshes);
+
+ for (int i = 0; i < numEntries; i ++) {
+ FileA3D.IndexEntry entry = model.getIndexEntry(i);
+ if (entry != null && entry.getEntryType() == FileA3D.EntryType.MESH) {
+ Mesh mesh = entry.getMesh();
+ mMeshes.set_mMesh(i, mesh, false);
+ mMeshes.set_mNumIndexSets(i, mesh.getPrimitiveCount(), false);
+ }
+ }
+ mMeshes.copyAll();
+ } else {
+ throw new RSRuntimeException("No valid meshes in file");
+ }
+
+ mScript.bind_gMeshes(mMeshes);
+ mScript.invoke_updateMeshInfo();
+ }
+
+ public void loadA3DFile(String path) {
+ FileA3D model = FileA3D.createFromFile(mRS, path);
+ initMeshes(model);
+ initTextAllocation(path);
+ }
+
+ private void initRS() {
+
+ mScript = new ScriptC_fbotest(mRS, mRes, R.raw.fbotest);
+
+ initPFS();
+ initPF();
+ initPV();
+
+ loadImage();
+
+ Type.Builder b = new Type.Builder(mRS, Element.RGBA_8888(mRS));
+ b.setX(512).setY(512);
+ mOffscreen = Allocation.createTyped(mRS,
+ b.create(),
+ Allocation.USAGE_GRAPHICS_TEXTURE |
+ Allocation.USAGE_GRAPHICS_RENDER_TARGET);
+ mScript.set_gOffscreen(mOffscreen);
+
+ b = new Type.Builder(mRS,
+ Element.createPixel(mRS, DataType.UNSIGNED_16,
+ DataKind.PIXEL_DEPTH));
+ b.setX(512).setY(512);
+ mOffscreenDepth = Allocation.createTyped(mRS,
+ b.create(),
+ Allocation.USAGE_GRAPHICS_RENDER_TARGET);
+ mScript.set_gOffscreenDepth(mOffscreenDepth);
+
+ FileA3D model = FileA3D.createFromResource(mRS, mRes, R.raw.robot);
+ initMeshes(model);
+
+ mItalic = Font.create(mRS, mRes, "serif", Font.Style.ITALIC, 8);
+ mScript.set_gItalic(mItalic);
+
+ initTextAllocation("R.raw.robot");
+
+ mRS.bindRootScript(mScript);
+ }
+}
+
+
+
diff --git a/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestView.java b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestView.java
new file mode 100644
index 0000000..c9598ee
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/FBOTestView.java
@@ -0,0 +1,144 @@
+/*
+ * 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.
+ */
+
+package com.android.fbotest;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScriptGL;
+
+import android.content.Context;
+import android.view.MotionEvent;
+import android.view.SurfaceHolder;
+import android.view.ScaleGestureDetector;
+import android.util.Log;
+
+public class FBOTestView extends RSSurfaceView {
+
+ private RenderScriptGL mRS;
+ private FBOTestRS mRender;
+
+ private ScaleGestureDetector mScaleDetector;
+
+ private static final int INVALID_POINTER_ID = -1;
+ private int mActivePointerId = INVALID_POINTER_ID;
+
+ public FBOTestView(Context context) {
+ super(context);
+ ensureRenderScript();
+ mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
+ }
+
+ private void ensureRenderScript() {
+ if (mRS == null) {
+ RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+ sc.setDepth(16, 24);
+ mRS = createRenderScriptGL(sc);
+ mRender = new FBOTestRS();
+ mRender.init(mRS, getResources());
+ }
+ }
+
+ @Override
+ protected void onAttachedToWindow() {
+ super.onAttachedToWindow();
+ ensureRenderScript();
+ }
+
+ @Override
+ public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+ super.surfaceChanged(holder, format, w, h);
+ mRender.surfaceChanged();
+ }
+
+ @Override
+ protected void onDetachedFromWindow() {
+ mRender = null;
+ if (mRS != null) {
+ mRS = null;
+ destroyRenderScriptGL();
+ }
+ }
+
+ public void loadA3DFile(String path) {
+ mRender.loadA3DFile(path);
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent ev) {
+ mScaleDetector.onTouchEvent(ev);
+
+ boolean ret = false;
+ float x = ev.getX();
+ float y = ev.getY();
+
+ final int action = ev.getAction();
+
+ switch (action & MotionEvent.ACTION_MASK) {
+ case MotionEvent.ACTION_DOWN: {
+ mRender.onActionDown(x, y);
+ mActivePointerId = ev.getPointerId(0);
+ ret = true;
+ break;
+ }
+ case MotionEvent.ACTION_MOVE: {
+ if (!mScaleDetector.isInProgress()) {
+ mRender.onActionMove(x, y);
+ }
+ mRender.onActionDown(x, y);
+ ret = true;
+ break;
+ }
+
+ case MotionEvent.ACTION_UP: {
+ mActivePointerId = INVALID_POINTER_ID;
+ break;
+ }
+
+ case MotionEvent.ACTION_CANCEL: {
+ mActivePointerId = INVALID_POINTER_ID;
+ break;
+ }
+
+ case MotionEvent.ACTION_POINTER_UP: {
+ final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
+ >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
+ final int pointerId = ev.getPointerId(pointerIndex);
+ if (pointerId == mActivePointerId) {
+ // This was our active pointer going up. Choose a new
+ // active pointer and adjust accordingly.
+ final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
+ x = ev.getX(newPointerIndex);
+ y = ev.getY(newPointerIndex);
+ mRender.onActionDown(x, y);
+ mActivePointerId = ev.getPointerId(newPointerIndex);
+ }
+ break;
+ }
+ }
+
+ return ret;
+ }
+
+ private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener {
+ @Override
+ public boolean onScale(ScaleGestureDetector detector) {
+ mRender.onActionScale(detector.getScaleFactor());
+ return true;
+ }
+ }
+}
+
+
diff --git a/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/fbotest.rs b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/fbotest.rs
new file mode 100644
index 0000000..31dd3e9
--- /dev/null
+++ b/tests/RenderScriptTests/FBOTest/src/com/android/fbotest/fbotest.rs
@@ -0,0 +1,221 @@
+// 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.fbotest)
+
+#include "rs_graphics.rsh"
+
+rs_program_vertex gPVBackground;
+rs_program_fragment gPFBackground;
+
+rs_allocation gTGrid;
+
+rs_program_store gPFSBackground;
+
+rs_font gItalic;
+rs_allocation gTextAlloc;
+
+rs_allocation gOffscreen;
+rs_allocation gOffscreenDepth;
+
+typedef struct MeshInfo {
+ rs_mesh mMesh;
+ int mNumIndexSets;
+ float3 bBoxMin;
+ float3 bBoxMax;
+} MeshInfo_t;
+
+MeshInfo_t *gMeshes;
+
+static float3 gLookAt;
+
+static float gRotateX;
+static float gRotateY;
+static float gZoom;
+
+static float gLastX;
+static float gLastY;
+
+void onActionDown(float x, float y) {
+ gLastX = x;
+ gLastY = y;
+}
+
+void onActionScale(float scale) {
+
+ gZoom *= 1.0f / scale;
+ gZoom = max(0.1f, min(gZoom, 500.0f));
+}
+
+void onActionMove(float x, float y) {
+ float dx = gLastX - x;
+ float dy = gLastY - y;
+
+ if (fabs(dy) <= 2.0f) {
+ dy = 0.0f;
+ }
+ if (fabs(dx) <= 2.0f) {
+ dx = 0.0f;
+ }
+
+ gRotateY -= dx;
+ if (gRotateY > 360) {
+ gRotateY -= 360;
+ }
+ if (gRotateY < 0) {
+ gRotateY += 360;
+ }
+
+ gRotateX -= dy;
+ gRotateX = min(gRotateX, 80.0f);
+ gRotateX = max(gRotateX, -80.0f);
+
+ gLastX = x;
+ gLastY = y;
+}
+
+void init() {
+ gRotateX = 0.0f;
+ gRotateY = 0.0f;
+ gZoom = 50.0f;
+ gLookAt = 0.0f;
+}
+
+void updateMeshInfo() {
+ rs_allocation allMeshes = rsGetAllocation(gMeshes);
+ int size = rsAllocationGetDimX(allMeshes);
+ gLookAt = 0.0f;
+ float minX, minY, minZ, maxX, maxY, maxZ;
+ for (int i = 0; i < size; i++) {
+ MeshInfo_t *info = (MeshInfo_t*)rsGetElementAt(allMeshes, i);
+ rsgMeshComputeBoundingBox(info->mMesh,
+ &minX, &minY, &minZ,
+ &maxX, &maxY, &maxZ);
+ info->bBoxMin = (minX, minY, minZ);
+ info->bBoxMax = (maxX, maxY, maxZ);
+ gLookAt += (info->bBoxMin + info->bBoxMax)*0.5f;
+ }
+ gLookAt = gLookAt / (float)size;
+}
+
+static void renderAllMeshes() {
+ rs_allocation allMeshes = rsGetAllocation(gMeshes);
+ int size = rsAllocationGetDimX(allMeshes);
+ gLookAt = 0.0f;
+ float minX, minY, minZ, maxX, maxY, maxZ;
+ for (int i = 0; i < size; i++) {
+ MeshInfo_t *info = (MeshInfo_t*)rsGetElementAt(allMeshes, i);
+ rsgDrawMesh(info->mMesh);
+ }
+}
+
+static void drawDescription() {
+ uint width = rsgGetWidth();
+ uint height = rsgGetHeight();
+ int left = 0, right = 0, top = 0, bottom = 0;
+
+ rsgBindFont(gItalic);
+
+ rsgMeasureText(gTextAlloc, &left, &right, &top, &bottom);
+ rsgDrawText(gTextAlloc, 2 -left, height - 2 + bottom);
+}
+
+static void renderOffscreen(bool useDepth) {
+
+ rsgBindColorTarget(gOffscreen, 0);
+ if (useDepth) {
+ rsgBindDepthTarget(gOffscreenDepth);
+ rsgClearDepth(1.0f);
+ } else {
+ rsgClearDepthTarget();
+ }
+ rsgClearColor(0.8f, 0.8f, 0.8f, 1.0f);
+
+ rsgBindProgramVertex(gPVBackground);
+ rs_matrix4x4 proj;
+ float aspect = (float)rsAllocationGetDimX(gOffscreen) / (float)rsAllocationGetDimY(gOffscreen);
+ rsMatrixLoadPerspective(&proj, 30.0f, aspect, 1.0f, 100.0f);
+ rsgProgramVertexLoadProjectionMatrix(&proj);
+
+ rsgBindProgramFragment(gPFBackground);
+ rsgBindProgramStore(gPFSBackground);
+ rsgBindTexture(gPFBackground, 0, gTGrid);
+
+ rs_matrix4x4 matrix;
+ rsMatrixLoadIdentity(&matrix);
+ // Position our models on the screen
+ rsMatrixTranslate(&matrix, gLookAt.x, gLookAt.y, gLookAt.z - gZoom);
+ rsMatrixRotate(&matrix, gRotateX, 1.0f, 0.0f, 0.0f);
+ rsMatrixRotate(&matrix, gRotateY, 0.0f, 1.0f, 0.0f);
+ rsgProgramVertexLoadModelMatrix(&matrix);
+
+ renderAllMeshes();
+
+ // Render into the frambuffer
+ rsgClearAllRenderTargets();
+}
+
+static void drawOffscreenResult(int posX, int posY) {
+ // display the result
+ rs_matrix4x4 proj, matrix;
+ rsMatrixLoadOrtho(&proj, 0, rsgGetWidth(), rsgGetHeight(), 0, -500, 500);
+ rsgProgramVertexLoadProjectionMatrix(&proj);
+ rsMatrixLoadIdentity(&matrix);
+ rsgProgramVertexLoadModelMatrix(&matrix);
+ rsgBindTexture(gPFBackground, 0, gOffscreen);
+ float startX = posX, startY = posY;
+ float width = 256, height = 256;
+ rsgDrawQuadTexCoords(startX, startY, 0, 0, 1,
+ startX, startY + height, 0, 0, 0,
+ startX + width, startY + height, 0, 1, 0,
+ startX + width, startY, 0, 1, 1);
+}
+
+int root(int launchID) {
+
+ rsgClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+ rsgClearDepth(1.0f);
+
+ renderOffscreen(true);
+ drawOffscreenResult(0, 0);
+
+ renderOffscreen(false);
+ drawOffscreenResult(0, 256);
+
+ 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, gTGrid);
+
+ rs_matrix4x4 matrix;
+ rsMatrixLoadIdentity(&matrix);
+ // Position our models on the screen
+ rsMatrixTranslate(&matrix, gLookAt.x, gLookAt.y, gLookAt.z - gZoom);
+ rsMatrixRotate(&matrix, gRotateX, 1.0f, 0.0f, 0.0f);
+ rsMatrixRotate(&matrix, gRotateY, 0.0f, 1.0f, 0.0f);
+ rsgProgramVertexLoadModelMatrix(&matrix);
+
+ renderAllMeshes();
+
+ drawDescription();
+
+ return 0;
+}
