More flexible structure for rs benchmark.

Major refactoring to allow adding more benchmarks easily.

Change-Id: I00e7c900b7383498da28cb9ffdc6fff855c5a581
diff --git a/tests/RenderScriptTests/PerfTest/src/com/android/perftest/ui_test.rs b/tests/RenderScriptTests/PerfTest/src/com/android/perftest/ui_test.rs
new file mode 100644
index 0000000..5089092
--- /dev/null
+++ b/tests/RenderScriptTests/PerfTest/src/com/android/perftest/ui_test.rs
@@ -0,0 +1,444 @@
+// 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.perftest)
+
+#include "rs_graphics.rsh"
+#include "shader_def.rsh"
+#include "subtest_def.rsh"
+
+// Parameters for galaxy live wallpaper
+rs_allocation gTSpace;
+rs_allocation gTLight1;
+rs_allocation gTFlares;
+rs_mesh gParticlesMesh;
+
+rs_program_fragment gPFBackground;
+rs_program_fragment gPFStars;
+rs_program_vertex gPVStars;
+rs_program_vertex gPVBkProj;
+rs_program_store gPSLights;
+
+float gXOffset = 0.5f;
+
+#define ELLIPSE_RATIO 0.892f
+#define PI 3.1415f
+#define TWO_PI 6.283f
+#define ELLIPSE_TWIST 0.023333333f
+
+static float angle = 50.f;
+static int gOldWidth;
+static int gOldHeight;
+static int gWidth;
+static int gHeight;
+static float gSpeed[12000];
+static int gGalaxyRadius = 300;
+static rs_allocation gParticlesBuffer;
+
+typedef struct __attribute__((packed, aligned(4))) Particle {
+    uchar4 color;
+    float3 position;
+} Particle_t;
+Particle_t *Particles;
+
+typedef struct VpConsts {
+    rs_matrix4x4 Proj;
+    rs_matrix4x4 MVP;
+} VpConsts_t;
+VpConsts_t *vpConstants;
+// End of parameters for galaxy live wallpaper
+
+rs_program_vertex gProgVertex;
+rs_program_fragment gProgFragmentColor;
+rs_program_fragment gProgFragmentTexture;
+
+rs_program_store gProgStoreBlendAlpha;
+
+rs_allocation gTexOpaque;
+rs_allocation gTexTorus;
+rs_allocation gTexGlobe;
+
+typedef struct ListAllocs_s {
+    rs_allocation item;
+} ListAllocs;
+
+ListAllocs *gTexList100;
+ListAllocs *gSampleTextList100;
+ListAllocs *gListViewText;
+
+rs_mesh gSingleMesh;
+
+rs_font gFontSans;
+
+rs_sampler gLinearClamp;
+
+typedef struct UiTestData_s {
+    int testId;
+    int user1;
+    int user2;
+    int user3;
+} UiTestData;
+UiTestData *gData;
+
+static float gDt = 0;
+
+
+void init() {
+}
+
+static int gRenderSurfaceW;
+static int gRenderSurfaceH;
+
+static void bindProgramVertexOrtho() {
+    // Default vertex shader
+    rsgBindProgramVertex(gProgVertex);
+    // Setup the projection matrix
+    rs_matrix4x4 proj;
+    rsMatrixLoadOrtho(&proj, 0, gRenderSurfaceW, gRenderSurfaceH, 0, -500, 500);
+    rsgProgramVertexLoadProjectionMatrix(&proj);
+}
+
+/**
+  * Methods to draw the galaxy live wall paper
+  */
+static float mapf(float minStart, float minStop, float maxStart, float maxStop, float value) {
+    return maxStart + (maxStart - maxStop) * ((value - minStart) / (minStop - minStart));
+}
+
+/**
+ * Helper function to generate the stars.
+ */
+static float randomGauss() {
+    float x1;
+    float x2;
+    float w = 2.f;
+
+    while (w >= 1.0f) {
+        x1 = rsRand(2.0f) - 1.0f;
+        x2 = rsRand(2.0f) - 1.0f;
+        w = x1 * x1 + x2 * x2;
+    }
+
+    w = sqrt(-2.0f * log(w) / w);
+    return x1 * w;
+}
+
+/**
+ * Generates the properties for a given star.
+ */
+static void createParticle(Particle_t *part, int idx, float scale) {
+    float d = fabs(randomGauss()) * gGalaxyRadius * 0.5f + rsRand(64.0f);
+    float id = d / gGalaxyRadius;
+    float z = randomGauss() * 0.4f * (1.0f - id);
+    float p = -d * ELLIPSE_TWIST;
+
+    if (d < gGalaxyRadius * 0.33f) {
+        part->color.x = (uchar) (220 + id * 35);
+        part->color.y = 220;
+        part->color.z = 220;
+    } else {
+        part->color.x = 180;
+        part->color.y = 180;
+        part->color.z = (uchar) clamp(140.f + id * 115.f, 140.f, 255.f);
+    }
+    // Stash point size * 10 in Alpha
+    part->color.w = (uchar) (rsRand(1.2f, 2.1f) * 60);
+
+    if (d > gGalaxyRadius * 0.15f) {
+        z *= 0.6f * (1.0f - id);
+    } else {
+        z *= 0.72f;
+    }
+
+    // Map to the projection coordinates (viewport.x = -1.0 -> 1.0)
+    d = mapf(-4.0f, gGalaxyRadius + 4.0f, 0.0f, scale, d);
+
+    part->position.x = rsRand(TWO_PI);
+    part->position.y = d;
+    gSpeed[idx] = rsRand(0.0015f, 0.0025f) * (0.5f + (scale / d)) * 0.8f;
+
+    part->position.z = z / 5.0f;
+}
+
+/**
+ * Initialize all the starts, called from Java
+ */
+void initParticles() {
+    Particle_t *part = Particles;
+    float scale = gGalaxyRadius / (gWidth * 0.5f);
+    int count = rsAllocationGetDimX(gParticlesBuffer);
+    for (int i = 0; i < count; i ++) {
+        createParticle(part, i, scale);
+        part++;
+    }
+}
+
+static void drawSpace() {
+    rsgBindProgramFragment(gPFBackground);
+    rsgBindTexture(gPFBackground, 0, gTSpace);
+    rsgDrawQuadTexCoords(
+            0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
+            gWidth, 0.0f, 0.0f, 2.0f, 1.0f,
+            gWidth, gHeight, 0.0f, 2.0f, 0.0f,
+            0.0f, gHeight, 0.0f, 0.0f, 0.0f);
+}
+
+static void drawLights() {
+    rsgBindProgramVertex(gPVBkProj);
+    rsgBindProgramFragment(gPFBackground);
+    rsgBindTexture(gPFBackground, 0, gTLight1);
+
+    float scale = 512.0f / gWidth;
+    float x = -scale - scale * 0.05f;
+    float y = -scale;
+
+    scale *= 2.0f;
+
+    rsgDrawQuad(x, y, 0.0f,
+             x + scale * 1.1f, y, 0.0f,
+             x + scale * 1.1f, y + scale, 0.0f,
+             x, y + scale, 0.0f);
+}
+
+static void drawParticles(float offset) {
+    float a = offset * angle;
+    float absoluteAngle = fabs(a);
+
+    rs_matrix4x4 matrix;
+    rsMatrixLoadTranslate(&matrix, 0.0f, 0.0f, 10.0f - 6.0f * absoluteAngle / 50.0f);
+    if (gHeight > gWidth) {
+        rsMatrixScale(&matrix, 6.6f, 6.0f, 1.0f);
+    } else {
+        rsMatrixScale(&matrix, 12.6f, 12.0f, 1.0f);
+    }
+    rsMatrixRotate(&matrix, absoluteAngle, 1.0f, 0.0f, 0.0f);
+    rsMatrixRotate(&matrix, a, 0.0f, 0.4f, 0.1f);
+    rsMatrixLoad(&vpConstants->MVP, &vpConstants->Proj);
+    rsMatrixMultiply(&vpConstants->MVP, &matrix);
+    rsgAllocationSyncAll(rsGetAllocation(vpConstants));
+
+    rsgBindProgramVertex(gPVStars);
+    rsgBindProgramFragment(gPFStars);
+    rsgBindProgramStore(gPSLights);
+    rsgBindTexture(gPFStars, 0, gTFlares);
+
+    Particle_t *vtx = Particles;
+    int count = rsAllocationGetDimX(gParticlesBuffer);
+    for (int i = 0; i < count; i++) {
+        vtx->position.x = vtx->position.x + gSpeed[i];
+        vtx++;
+    }
+
+    rsgDrawMesh(gParticlesMesh);
+}
+/* end of methods for drawing galaxy */
+
+// Display sample images in a mesh with different texture
+static void displayIcons(int meshMode) {
+    bindProgramVertexOrtho();
+
+    // Fragment shader with texture
+    rsgBindProgramStore(gProgStoreBlendAlpha);
+    rsgBindProgramFragment(gProgFragmentTexture);
+    rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp);
+    rsgBindTexture(gProgFragmentTexture, 0, gTexTorus);
+    rsgDrawQuadTexCoords(
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
+            0.0f, gRenderSurfaceH, 0.0f, 0.0f, 1.0f,
+            gRenderSurfaceW, gRenderSurfaceH, 0.0f, 1.0f, 1.0f,
+            gRenderSurfaceW, 0.0f, 0.0f, 1.0f, 0.0f);
+
+    int meshCount = (int)pow(10.0f, (float)(meshMode + 1));
+
+    float wSize = gRenderSurfaceW/(float)meshCount;
+    float hSize = gRenderSurfaceH/(float)meshCount;
+    rs_matrix4x4 matrix;
+    rsMatrixLoadScale(&matrix, wSize, hSize, 1.0);
+
+    float yPos = 0;
+    float yPad = hSize / 2;
+    float xPad = wSize / 2;
+    for (int y = 0; y < meshCount; y++) {
+        yPos = y * hSize + yPad;
+        float xPos = 0;
+        for (int x = 0; x < meshCount; x++) {
+            xPos = x * wSize + xPad;
+            rs_matrix4x4 transMatrix;
+            rsMatrixLoadTranslate(&transMatrix, xPos, yPos, 0);
+            rsMatrixMultiply(&transMatrix, &matrix);
+            rsgProgramVertexLoadModelMatrix(&transMatrix);
+            int i = (x + y * meshCount) % 100;
+            rsgBindTexture(gProgFragmentTexture, 0, gTexList100[i].item);
+            rsgDrawMesh(gSingleMesh);
+        }
+    }
+}
+
+// Draw meshes in a single page with top left corner coordinates (xStart, yStart)
+static void drawMeshInPage(float xStart, float yStart, int wResolution, int hResolution) {
+    // Draw wResolution * hResolution meshes in one page
+    float wMargin = 100.0f;
+    float hMargin = 100.0f;
+    float xPad = 50.0f;
+    float yPad = 20.0f;
+    float size = 100.0f;  // size of images
+
+    // font info
+    rs_font font = gFontSans;
+    rsgBindFont(font);
+    rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f);
+
+    // Measure text size
+    int left = 0, right = 0, top = 0, bottom = 0;
+    rsgMeasureText(gSampleTextList100[0].item, &left, &right, &top, &bottom);
+    float textHeight = (float)(top - bottom);
+    float textWidth = (float)(right - left);
+
+    rs_matrix4x4 matrix;
+    rsMatrixLoadScale(&matrix, size, size, 1.0);
+
+    for (int y = 0; y < hResolution; y++) {
+        float yPos = yStart + hMargin + y * size + y * yPad;
+        for (int x = 0; x < wResolution; x++) {
+            float xPos = xStart + wMargin + x * size + x * xPad;
+
+            rs_matrix4x4 transMatrix;
+            rsMatrixLoadTranslate(&transMatrix, xPos + size/2, yPos + size/2, 0);
+            rsMatrixMultiply(&transMatrix, &matrix);  // scale the mesh
+            rsgProgramVertexLoadModelMatrix(&transMatrix);
+
+            int i = (y * wResolution + x) % 100;
+            rsgBindTexture(gProgFragmentTexture, 0, gTexList100[i].item);
+            rsgDrawMesh(gSingleMesh);
+            rsgDrawText(gSampleTextList100[i].item, xPos, yPos + size + yPad/2 + textHeight);
+        }
+    }
+}
+
+// Display both images and text as shown in launcher and homepage
+// meshMode will decide how many pages we draw
+// meshMode = 0: draw 3 pages of meshes
+// meshMode = 1: draw 5 pages of meshes
+static void displayImageWithText(int wResolution, int hResolution, int meshMode) {
+    bindProgramVertexOrtho();
+
+    // Fragment shader with texture
+    rsgBindProgramStore(gProgStoreBlendAlpha);
+    rsgBindProgramFragment(gProgFragmentTexture);
+    rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp);
+
+    drawMeshInPage(0, 0, wResolution, hResolution);
+    drawMeshInPage(-1.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    drawMeshInPage(1.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    if (meshMode == 1) {
+        // draw another two pages of meshes
+        drawMeshInPage(-2.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+        drawMeshInPage(2.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    }
+}
+
+// Display a list of text as the list view
+static void displayListView() {
+    // set text color
+    rsgFontColor(0.9f, 0.9f, 0.9f, 1.0f);
+    rsgBindFont(gFontSans);
+
+    // get the size of the list
+    rs_allocation textAlloc;
+    textAlloc = rsGetAllocation(gListViewText);
+    int allocSize = rsAllocationGetDimX(textAlloc);
+
+    int listItemHeight = 80;
+    int yOffset = listItemHeight;
+
+    // set the color for the list divider
+    rsgBindProgramFragment(gProgFragmentColor);
+    rsgProgramFragmentConstantColor(gProgFragmentColor, 1.0, 1.0, 1.0, 1);
+
+    // draw the list with divider
+    for (int i = 0; i < allocSize; i++) {
+        if (yOffset - listItemHeight > gRenderSurfaceH) {
+            break;
+        }
+        rsgDrawRect(0, yOffset - 1, gRenderSurfaceW, yOffset, 0);
+        rsgDrawText(gListViewText[i].item, 20, yOffset - 10);
+        yOffset += listItemHeight;
+    }
+}
+
+static void drawGalaxy() {
+    rsgClearColor(0.f, 0.f, 0.f, 1.f);
+    gParticlesBuffer = rsGetAllocation(Particles);
+    rsgBindProgramFragment(gPFBackground);
+
+    gWidth = rsgGetWidth();
+    gHeight = rsgGetHeight();
+    if ((gWidth != gOldWidth) || (gHeight != gOldHeight)) {
+        initParticles();
+        gOldWidth = gWidth;
+        gOldHeight = gHeight;
+    }
+
+    float offset = mix(-1.0f, 1.0f, gXOffset);
+    drawSpace();
+    drawParticles(offset);
+    drawLights();
+}
+
+// Display images and text with live wallpaper in the background
+static void displayLiveWallPaper(int wResolution, int hResolution) {
+    bindProgramVertexOrtho();
+
+    drawGalaxy();
+
+    rsgBindProgramVertex(gProgVertex);
+    rsgBindProgramStore(gProgStoreBlendAlpha);
+    rsgBindProgramFragment(gProgFragmentTexture);
+    rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp);
+
+    drawMeshInPage(0, 0, wResolution, hResolution);
+    drawMeshInPage(-1.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    drawMeshInPage(1.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    drawMeshInPage(-2.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+    drawMeshInPage(2.0f*gRenderSurfaceW, 0, wResolution, hResolution);
+}
+
+void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32_t y) {
+    TestData *testData = (TestData*)usrData;
+    gRenderSurfaceW = testData->renderSurfaceW;
+    gRenderSurfaceH = testData->renderSurfaceH;
+    gDt = testData->dt;
+
+    gData = (UiTestData*)v_in;
+
+    switch(gData->testId) {
+        case 0:
+            displayIcons(gData->user1);
+            break;
+        case 1:
+            displayImageWithText(gData->user1, gData->user2, gData->user3);
+            break;
+        case 2:
+            displayListView();
+            break;
+        case 3:
+            displayLiveWallPaper(gData->user1, gData->user2);
+            break;
+        default:
+            rsDebug("Wrong test number", 0);
+            break;
+    }
+}