1 files changed, 221 insertions, 0 deletions
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;
+}