Merge "Update launcher2 with vertex shader and single draw method for icons."
diff --git a/res/raw/allapps.rs b/res/raw/allapps.rs
index 6f0046e..edbbcd8 100644
--- a/res/raw/allapps.rs
+++ b/res/raw/allapps.rs
@@ -250,40 +250,6 @@
     g_PosPage = clampf(g_PosPage, -0.49, g_PosMax + 0.49);
 }
 
-int positionStrip(float row, float column, int isTop, float p, int isText)
-{
-    float mat1[16];
-    float x = 0.5f * (column - 1.5f);
-    float scale = 72.f * 3 / getWidth();
-
-    if (isTop) {
-        matrixLoadTranslate(mat1, x, 0.8f, 0.f);
-        matrixScale(mat1, scale, scale, 1.f);
-    } else {
-        matrixLoadTranslate(mat1, x, -0.9f, 0.f);
-        matrixScale(mat1, scale, -scale, 1.f);
-    }
-    matrixTranslate(mat1, 0, p * 2, 0.f);
-    matrixRotate(mat1, -p * 50, 1, 0, 0);
-    vpLoadModelMatrix(mat1);
-
-    float soff = -(row * 1.4);
-    if (isTop) {
-        matrixLoadScale(mat1, 1.f, -0.85f, 1.f);
-        if (isText) {
-            matrixScale(mat1, 1.f, 2.f, 1.f);
-        }
-        matrixTranslate(mat1, 0, soff - 0.97f, 0);
-    } else {
-        matrixLoadScale(mat1, 1.f, 0.85f, 1.f);
-        if (isText) {
-            matrixScale(mat1, 1.f, 2.f, 1.f);
-        }
-        matrixTranslate(mat1, 0, soff - 0.45f, 0);
-    }
-    vpLoadTextureMatrix(mat1);
-    return -soff * 10.f;
-}
 
 void
 draw_home_button()
@@ -306,16 +272,16 @@
     float rowFrac = rowOffset - intRowOffset;
     float colWidth = getWidth() / 4;
     float rowHeight = colWidth + 25.f;
-    float yoff = h - ((h - (rowHeight * 4.f)) / 2);
-
-    yoff -= 110;
+    float yoff = 0.5f * h + 1.5f * rowHeight;
 
     int row, col;
-    int iconNum = intRowOffset * 4;
-    float ymax = yoff;
-    float ymin = yoff - (3 * rowHeight) - 70;
+    int iconNum = (intRowOffset - 5) * 4;
 
-    for (row = 0; row < 5; row++) {
+    bindProgramVertex(NAMED_PVCurve);
+
+    storeF(ALLOC_VP_CONSTANTS, 4, p);
+
+    for (row = -5; row < 15; row++) {
         float y = yoff - ((-rowFrac + row) * rowHeight);
 
         for (col=0; col < 4; col++) {
@@ -324,103 +290,26 @@
             }
 
             if (iconNum >= 0) {
-                float x = colWidth * col - ((128 - colWidth) / 2);
+                float x = colWidth * col + (colWidth / 2);
 
-                if ((y >= ymin) && (y <= ymax)) {
-                    setColor(1.f, 1.f, 1.f, 1.f);
-                    if (state->selectedIconIndex == iconNum && !p) {
-                        bindTexture(NAMED_PFTexNearest, 0, state->selectedIconTexture);
-                        drawSpriteScreenspace(x, y, 0, 128, 128);
-                    }
+                storeF(ALLOC_VP_CONSTANTS, 0, 74.f);
+                storeF(ALLOC_VP_CONSTANTS, 1, 74.f);
+                storeF(ALLOC_VP_CONSTANTS, 2, x);
+                storeF(ALLOC_VP_CONSTANTS, 3, y);
+                bindTexture(NAMED_PFTexMip, 0, loadI32(ALLOC_ICON_IDS, iconNum));
+                drawSimpleMesh(NAMED_SMCell);
 
-                    bindTexture(NAMED_PFTexNearest, 0, loadI32(ALLOC_ICON_IDS, iconNum));
-                    if (!p) {
-                        drawSpriteScreenspace(x, y, 0, 128, 128);
-                    } else {
-                        float px = ((x + 64) - (getWidth() / 2)) / (getWidth() / 2);
-                        float py = ((y + 64) - (getHeight() / 2)) / (getWidth() / 2);
-                        float d = 64.f / (getWidth() / 2);
-                        px *= p + 1;
-                        py *= p + 1;
-                        drawQuadTexCoords(px - d, py - d, -p, 0, 1,
-                                          px - d, py + d, -p, 0, 0,
-                                          px + d, py + d, -p, 1, 0,
-                                          px + d, py - d, -p, 1, 1);
-                    }
-                }
-
-                float y2 = y - 44;
-                if ((y2 >= ymin) && (y2 <= ymax)) {
-                    float a = maxf(0, 1.f - p * 5.f);
-                    setColor(1.f, 1.f, 1.f, a);
-                    bindTexture(NAMED_PFTexNearest, 0, loadI32(ALLOC_LABEL_IDS, iconNum));
-                    drawSpriteScreenspace(x, y - 44, 0,
-                               params->bubbleBitmapWidth, params->bubbleBitmapHeight);
-                }
+                storeF(ALLOC_VP_CONSTANTS, 0, 128.f);
+                storeF(ALLOC_VP_CONSTANTS, 1, 64.f);
+                storeF(ALLOC_VP_CONSTANTS, 3, y - 64.f);
+                bindTexture(NAMED_PFTexMip, 0, loadI32(ALLOC_LABEL_IDS, iconNum));
+                drawSimpleMesh(NAMED_SMCell);
             }
             iconNum++;
         }
     }
 }
 
-void drawStrip(float row, float column, int isTop, int iconNum, float p)
-{
-    if (iconNum < 0) return;
-    int offset = positionStrip(row, column, isTop, p, 0);
-    bindTexture(NAMED_PFTexMip, 0, loadI32(ALLOC_ICON_IDS, iconNum));
-    if (offset < -20) return;
-    offset = clamp(offset, 0, 199 - 20);
-    drawSimpleMeshRange(NAMED_SMMesh, offset * 6, 20 * 6);
-
-    if (isTop) {
-        offset = positionStrip(row - 0.72f, column, isTop, p, 1);
-    } else {
-        offset = positionStrip(row + 0.73f, column, isTop, p, 1);
-    }
-    if (offset < -20) return;
-    if (offset > 200) return;
-    bindTexture(NAMED_PFTexMip, 0, loadI32(ALLOC_LABEL_IDS, iconNum));
-    offset = clamp(offset, 0, 199 - 20);
-    drawSimpleMeshRange(NAMED_SMMesh, offset * 6, 20 * 6);
-    //drawSimpleMesh(NAMED_SMMesh);
-}
-
-void drawTop(float rowOffset, float p)
-{
-    int row, col;
-    int iconNum = 0;
-    for (row = 0; row < rowOffset; row++) {
-        for (col=0; col < 4; col++) {
-            if (iconNum >= state->iconCount) {
-                return;
-            }
-            drawStrip(rowOffset - row, col, 1, iconNum, p);
-            iconNum++;
-        }
-    }
-}
-
-void drawBottom(float rowOffset, float p)
-{
-    float pos = -1.f;
-    int intRowOffset = rowOffset;
-    pos -= rowOffset - intRowOffset;
-
-    int row, col;
-    int iconNum = (intRowOffset + 3) * 4;
-    while (1) {
-        for (col=0; col < 4; col++) {
-            if (iconNum >= state->iconCount) {
-                return;
-            }
-            if (pos > -1) {
-                drawStrip(pos, col, 0, iconNum, p);
-            }
-            iconNum++;
-        }
-        pos += 1.f;
-    }
-}
 
 int
 main(int launchID)
@@ -483,29 +372,12 @@
     //debugF("    draw g_PosPage", g_PosPage);
 
     // Draw the icons ========================================
-
-    //bindProgramFragment(NAMED_PFColor);
-    //positionStrip(1, 0, 0);
-    //drawSimpleMesh(NAMED_SMMesh);
-
     bindProgramFragment(NAMED_PFTexMip);
-
-
-    drawTop(g_PosPage, 1-g_Zoom);
-    drawBottom(g_PosPage, 1-g_Zoom);
-
-    {
-        float mat1[16];
-        matrixLoadIdentity(mat1);
-        vpLoadModelMatrix(mat1);
-        vpLoadTextureMatrix(mat1);
-    }
+    drawFrontGrid(g_PosPage, 1-g_Zoom);
 
     bindProgramFragment(NAMED_PFTexNearest);
-    drawFrontGrid(g_PosPage, 1-g_Zoom);
     draw_home_button();
 
-
     // This is a WAR to do a rendering pass without drawing during init to
     // force the driver to preload and compile its shaders.
     // Without this the first animation does not appear due to the time it
diff --git a/src/com/android/launcher2/AllAppsView.java b/src/com/android/launcher2/AllAppsView.java
index 1d21da8..2057276 100644
--- a/src/com/android/launcher2/AllAppsView.java
+++ b/src/com/android/launcher2/AllAppsView.java
@@ -128,6 +128,7 @@
         public static final int ALLOC_STATE = 1;
         public static final int ALLOC_ICON_IDS = 3;
         public static final int ALLOC_LABEL_IDS = 4;
+        public static final int ALLOC_VP_CONSTANTS = 5;
 
         public static final int COLUMNS_PER_PAGE = 4;
         public static final int ROWS_PER_PAGE = 4;
@@ -575,15 +576,18 @@
                 && mCurrentIconIndex >= 0 && mCurrentIconIndex < mAllAppsList.size()) {
             ApplicationInfo app = mAllAppsList.get(mCurrentIconIndex);
 
+            Bitmap bmp = app.iconBitmap;
+            final int w = bmp.getWidth();
+            final int h = bmp.getHeight();
+
             // We don't really have an accurate location to use.  This will do.
-            int screenX = mMotionDownRawX - (mDefines.ICON_WIDTH_PX / 2);
-            int screenY = mMotionDownRawY - mDefines.ICON_HEIGHT_PX;
+            int screenX = mMotionDownRawX - (w / 2);
+            int screenY = mMotionDownRawY - h;
 
             int left = (mDefines.ICON_TEXTURE_WIDTH_PX - mDefines.ICON_WIDTH_PX) / 2;
             int top = (mDefines.ICON_TEXTURE_HEIGHT_PX - mDefines.ICON_HEIGHT_PX) / 2;
-            mDragController.startDrag(app.iconBitmap, screenX, screenY,
-                    left, top, mDefines.ICON_WIDTH_PX, mDefines.ICON_HEIGHT_PX,
-                    this, app, DragController.DRAG_ACTION_COPY);
+            mDragController.startDrag(bmp, screenX, screenY,
+                    0, 0, w, h, this, app, DragController.DRAG_ACTION_COPY);
 
             mLauncher.closeAllApps(true);
         }
@@ -783,10 +787,12 @@
         private ProgramFragment mPFTexNearest;
         private ProgramVertex mPV;
         private ProgramVertex mPVOrtho;
+        private ProgramVertex mPVCurve;
         private SimpleMesh mMesh;
-        private SimpleMesh mMesh2;
         private ProgramVertex.MatrixAllocation mPVA;
 
+        private Allocation mUniformAlloc;
+
         private Allocation mHomeButtonNormal;
         private Allocation mHomeButtonFocused;
         private Allocation mHomeButtonPressed;
@@ -869,49 +875,27 @@
             initProgramVertex();
             initProgramFragment();
             initProgramStore();
-            initMesh();
+            //initMesh();
             initGl();
             initData();
             initTouchState();
             initRs();
         }
 
-        public void initMesh() {
-            SimpleMesh.TriangleMeshBuilder tm = new SimpleMesh.TriangleMeshBuilder(mRS, 3,
-                SimpleMesh.TriangleMeshBuilder.TEXTURE_0 | SimpleMesh.TriangleMeshBuilder.COLOR);
+        public void initMesh2() {
+            SimpleMesh.TriangleMeshBuilder tm = new SimpleMesh.TriangleMeshBuilder(mRS, 2, 0);
 
-            float y = 0;
-            float z = 0;
-            for (int ct=0; ct < 200; ct++) {
-                float angle = 0;
-                float maxAngle = 3.14f * 0.16f;
-                float l = 1.f;
-
-                l = 1 - ((ct-5) * 0.10f);
-                if (ct > 7) {
-                    angle = maxAngle * (ct - 7) * 0.2f;
-                    angle = Math.min(angle, maxAngle);
-                }
-                l = Math.max(0.4f, l);
-                l = Math.min(1.0f, l);
-
-                y += 0.1f * Math.cos(angle);
-                z += 0.1f * Math.sin(angle);
-
-                float t = 0.1f * ct;
-                float ds = 0.08f;
-                tm.setColor(l, l, l, 0.99f);
-                tm.setTexture(ds, t);
-                tm.addVertex(-0.5f, y, z);
-                tm.setTexture(1 - ds, t);
-                tm.addVertex(0.5f, y, z);
+            for (int ct=0; ct < 16; ct++) {
+                float pos = (1.f / 16.f) * ct;
+                tm.addVertex(0.0f, pos);
+                tm.addVertex(1.0f, pos);
             }
-            for (int ct=0; ct < (200 * 2 - 2); ct+= 2) {
+            for (int ct=0; ct < (16 * 2 - 2); ct+= 2) {
                 tm.addTriangle(ct, ct+1, ct+2);
                 tm.addTriangle(ct+1, ct+3, ct+2);
             }
-            mMesh2 = tm.create();
-            mMesh2.setName("SMMesh");
+            mMesh = tm.create();
+            mMesh.setName("SMCell");
         }
 
         void resize(int w, int h) {
@@ -930,6 +914,72 @@
             mPV.setName("PV");
             mPV.bindAllocation(mPVA);
 
+            Element.Builder eb = new Element.Builder(mRS);
+            eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 2), "ImgSize");
+            eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 4), "Position");
+            Element e = eb.create();
+
+            mUniformAlloc = Allocation.createSized(mRS, e, 1);
+
+            initMesh2();
+            ProgramVertex.ShaderBuilder sb = new ProgramVertex.ShaderBuilder(mRS);
+            String t = new String("void main() {\n" +
+                                  // Animation
+                                  "  float ani = UNI_Position.z;\n" +
+
+                                  "  float scale = (2.0 / 480.0);\n" +
+                                  "  float x = UNI_Position.x + UNI_ImgSize.x * (1.0 - ani) * (ATTRIB_position.x - 0.5);\n" +
+                                  "  float ys= UNI_Position.y + UNI_ImgSize.y * (1.0 - ani) * ATTRIB_position.y;\n" +
+                                  "  float y = 0.0;\n" +
+                                  "  float z = 0.0;\n" +
+                                  "  float lum = 1.0;\n" +
+
+                                  "  float cv = min(ys, 50.0) - 50.0;\n" +
+                                  "  y += cv * 0.681;\n" +  // Roughy 47 degrees
+                                  "  z += -cv * 0.731;\n" +
+                                  "  cv = clamp(ys, 50.0, 120.0) - 120.0;\n" +  // curve range
+                                  "  y += cv * cos(cv * 0.4 / (180.0 / 3.14));\n" +
+                                  "  z += cv * sin(cv * 0.4 / (180.0 / 3.14));\n" +
+
+                                  "  cv = max(ys, 750.0) - 750.0;\n" +
+                                  "  y += cv * 0.681;\n" +
+                                  "  z += cv * 0.731;\n" +
+                                  "  cv = clamp(ys, 680.0, 750.0) - 680.0;\n" +
+                                  "  y += cv * cos(cv * 0.4 / (180.0 / 3.14));\n" +
+                                  "  z += cv * sin(cv * 0.4 / (180.0 / 3.14));\n" +
+
+                                  "  y += clamp(ys, 120.0, 680.0);\n" +
+                                  "  lum += (clamp(ys, 60.0, 115.0) - 115.0) / 100.0;\n" +
+                                  "  lum -= (clamp(ys, 685.0, 740.0) - 685.0) / 100.0;\n" +
+
+                                  "  vec4 pos;\n" +
+                                  "  pos.x = x * scale - 1.0;\n" +
+                                  "  pos.y = y * scale - 1.66;\n" +
+                                  "  pos.z = z * scale;\n" +
+                                  "  pos.w = 1.0;\n" +
+
+                                  "  pos.x *= 1.0 + ani * 4.0;\n" +
+                                  "  pos.y *= 1.0 + ani * 4.0;\n" +
+                                  "  pos.z -= ani * 1.5;\n" +
+                                  "  lum *= 1.0 - ani;\n" +
+
+                                  "  gl_Position = UNI_MVP * pos;\n" +
+                                  "  varColor.rgba = vec4(lum, lum, lum, 1.0);\n" +
+                                  "  varTex0.xy = ATTRIB_position;\n" +
+                                  "  varTex0.y = 1.0 - varTex0.y;\n" +
+                                  "  varTex0.zw = vec2(0.0, 0.0);\n" +
+                                  "}\n");
+            sb.setShader(t);
+            sb.addConstant(mUniformAlloc.getType());
+            sb.addInput(mMesh.getVertexType(0).getElement());
+            mPVCurve = sb.create();
+            mPVCurve.setName("PVCurve");
+            mPVCurve.bindAllocation(mPVA);
+            mPVCurve.bindConstants(mUniformAlloc, 1);
+
+            float tf[] = new float[] {72.f, 72.f, 0.f, 0.f, 120.f, 120.f, 0.f, 0.f};
+            mUniformAlloc.data(tf);
+
             //pva = new ProgramVertex.MatrixAllocation(mRS);
             //pva.setupOrthoWindow(mWidth, mHeight);
             //pvb.setTextureMatrixEnable(true);
@@ -943,7 +993,7 @@
         private void initProgramFragment() {
             Sampler.Builder sb = new Sampler.Builder(mRS);
             sb.setMin(Sampler.Value.LINEAR_MIP_LINEAR);
-            sb.setMag(Sampler.Value.LINEAR);
+            sb.setMag(Sampler.Value.NEAREST);
             sb.setWrapS(Sampler.Value.CLAMP);
             sb.setWrapT(Sampler.Value.CLAMP);
             Sampler linear = sb.create();
@@ -956,7 +1006,7 @@
             //mPFColor = bf.create();
             //mPFColor.setName("PFColor");
 
-            bf.setTexture(ProgramFragment.Builder.EnvMode.REPLACE,
+            bf.setTexture(ProgramFragment.Builder.EnvMode.MODULATE,
                           ProgramFragment.Builder.Format.RGBA, 0);
             mPFTexMip = bf.create();
             mPFTexMip.setName("PFTexMip");
@@ -1034,6 +1084,7 @@
             sb.addDefines(mDefines);
             sb.setType(mParams.mType, "params", Defines.ALLOC_PARAMS);
             sb.setType(mState.mType, "state", Defines.ALLOC_STATE);
+            sb.setType(mUniformAlloc.getType(), "vpConstants", Defines.ALLOC_VP_CONSTANTS);
             mInvokeMove = sb.addInvokable("move");
             mInvokeFling = sb.addInvokable("fling");
             mInvokeMoveTo = sb.addInvokable("moveTo");
@@ -1045,6 +1096,7 @@
             mScript.bindAllocation(mState.mAlloc, Defines.ALLOC_STATE);
             mScript.bindAllocation(mAllocIconIds, Defines.ALLOC_ICON_IDS);
             mScript.bindAllocation(mAllocLabelIds, Defines.ALLOC_LABEL_IDS);
+            mScript.bindAllocation(mUniformAlloc, Defines.ALLOC_VP_CONSTANTS);
 
             mRS.contextBindRootScript(mScript);
         }
@@ -1096,34 +1148,11 @@
             }
         }
 
-        private void frameBitmapAllocMips(Allocation alloc, int w, int h) {
-            int black[] = new int[w > h ? w : h];
-            Allocation.Adapter2D a = alloc.createAdapter2D();
-            int mip = 0;
-            while (w > 1 || h > 1) {
-                a.subData(0, 0, 1, h, black);
-                a.subData(w-1, 0, 1, h, black);
-                a.subData(0, 0, w, 1, black);
-                a.subData(0, h-1, w, 1, black);
-                mip++;
-                w = (w + 1) >> 1;
-                h = (h + 1) >> 1;
-                a.setConstraint(Dimension.LOD, mip);
-            }
-            a.subData(0, 0, 1, 1, black);
-        }
-
         private void createAppIconAllocations(int index, ApplicationInfo item) {
             mIcons[index] = Allocation.createFromBitmap(mRS, item.iconBitmap,
                     Element.RGBA_8888(mRS), true);
-            frameBitmapAllocMips(mIcons[index], item.iconBitmap.getWidth(),
-                    item.iconBitmap.getHeight());
-
             mLabels[index] = Allocation.createFromBitmap(mRS, item.titleBitmap,
                     Element.RGBA_8888(mRS), true);
-            frameBitmapAllocMips(mLabels[index], item.titleBitmap.getWidth(),
-                    item.titleBitmap.getHeight());
-
             mIconIds[index] = mIcons[index].getID();
             mLabelIds[index] = mLabels[index].getID();
         }
diff --git a/src/com/android/launcher2/Utilities.java b/src/com/android/launcher2/Utilities.java
index 55cb509..507096c 100644
--- a/src/com/android/launcher2/Utilities.java
+++ b/src/com/android/launcher2/Utilities.java
@@ -257,7 +257,7 @@
             }
 
             dest.drawColor(0, PorterDuff.Mode.CLEAR);
-            
+
             int[] xy = new int[2];
             Bitmap mask = src.extractAlpha(sBlurPaint, xy);
 
@@ -296,13 +296,13 @@
             if (width > 0 && height > 0) {
                 if (width < bitmapWidth || height < bitmapHeight) {
                     final float ratio = (float) bitmapWidth / bitmapHeight;
-        
+
                     if (bitmapWidth > bitmapHeight) {
                         height = (int) (width / ratio);
                     } else if (bitmapHeight > bitmapWidth) {
                         width = (int) (height * ratio);
                     }
-        
+
                     final Bitmap.Config c = (width == sIconWidth && height == sIconHeight) ?
                             bitmap.getConfig() : Bitmap.Config.ARGB_8888;
                     final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
@@ -339,7 +339,7 @@
         final float density = metrics.density;
 
         sIconWidth = sIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size);
-        sIconTextureWidth = sIconTextureHeight = roundToPow2(sIconWidth);
+        sIconTextureWidth = sIconTextureHeight = sIconWidth + 2;
 
         sBlurPaint.setMaskFilter(new BlurMaskFilter(5 * density, BlurMaskFilter.Blur.NORMAL));
         sGlowColorPressedPaint.setColor(0xffffc300);