Hardware Composer new and refactored test cases

Change-Id: Iabf46fc5d75891f917e06a257470a0e3f2bd3c95
diff --git a/opengl/tests/hwc/hwcRects.cpp b/opengl/tests/hwc/hwcRects.cpp
new file mode 100644
index 0000000..c93124e
--- /dev/null
+++ b/opengl/tests/hwc/hwcRects.cpp
@@ -0,0 +1,575 @@
+/*
+ * 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.
+ */
+
+/*
+ * Hardware Composer Rectangles
+ *
+ * Synopsis
+ *   hwcRects [options] (graphicFormat displayFrame [attributes],)...
+ *     options:
+ *       -D #.## - End of test delay
+ *       -v Verbose");
+ *
+ *      graphic formats:
+ *        RGBA8888 (reference frame default)
+ *        RGBX8888
+ *        RGB888
+ *        RGB565
+ *        BGRA8888
+ *        RGBA5551
+ *        RGBA4444
+ *        YV12
+ *
+ *      displayFrame
+ *        [left, top, right, bottom]
+ *
+ *      attributes:
+ *        transform: none | fliph | flipv | rot90 | rot180 | rot270
+ *        blend: none | premult | coverage
+ *        color: [0.##, 0.##, 0.##]
+ *        alpha: 0.##
+ *        sourceDim: [width, height]
+ *        sourceCrop: [left, top, right, bottom]
+ *
+ *      Example:
+ *        # White YV12 rectangle, with overlapping turquoise
+ *        #  RGBA8888 rectangle at 30%% (alpha: 0.7) transparency
+ *        hwcRects -v -D 30.0 \
+ *          YV12 [50, 80, 200, 300] transform: none \
+ *            color: [1.0, 0.5, 0.5], \
+ *          RGBA8888 [100, 150, 300, 400] blend: coverage \
+ *            color: [0.251, 0.878, 0.816] alpha: 0.7 \
+ *            sourceDim: [50, 60] sourceCrop: [5, 8, 12, 15]
+ *
+ * Description
+ *   Constructs a Hardware Composer (HWC) list of frames from
+ *   command-line specified parameters.  Then sends it to the HWC
+ *   be rendered.  The intended purpose of this tool is as a means to
+ *   reproduce and succinctly specify an observed HWC operation, with
+ *   no need to modify/compile a program.
+ *
+ *   The command-line syntax consists of a few standard command-line
+ *   options and then a description of one or more frames.  The frame
+ *   descriptions are separated from one another via a comma.  The
+ *   beginning of a frame description requires the specification
+ *   of the graphic format and then the display frame rectangle where
+ *   the frame will be displayed.  The display frame rectangle is
+ *   specified as follows, with the right and bottom coordinates being
+ *   exclusive values:
+ *
+ *     [left, top, right, bottom]
+ *    
+ *   After these two required parameters each frame description can
+ *   specify 1 or more optional attributes.  The name of each optional
+ *   attribute is preceded by a colon.  The current implementation
+ *   then requires white space after the colon and then the value of
+ *   the attribute is specified.  See the synopsis section above for
+ *   a list of attributes and the format of their expected value.
+ */
+
+#include <algorithm>
+#include <assert.h>
+#include <cerrno>
+#include <cmath>
+#include <cstdlib>
+#include <ctime>
+#include <istream>
+#include <libgen.h>
+#include <list>
+#include <sched.h>
+#include <sstream>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/GraphicBuffer.h>
+#include <ui/EGLUtils.h>
+
+#define LOG_TAG "hwcColorEquivTest"
+#include <utils/Log.h>
+#include <testUtil.h>
+
+#include <hardware/hwcomposer.h>
+
+#include <glTestLib.h>
+#include <hwc/hwcTestLib.h>
+
+using namespace std;
+using namespace android;
+
+// Defaults
+const bool defaultVerbose = false;
+const float defaultEndDelay = 2.0; // Default delay after rendering graphics
+
+const uint32_t   defaultFormat = HAL_PIXEL_FORMAT_RGBA_8888;
+const int32_t    defaultTransform = 0;
+const uint32_t   defaultBlend = HWC_BLENDING_NONE;
+const ColorFract defaultColor(0.5, 0.5, 0.5);
+const float      defaultAlpha = 1.0; // Opaque
+const HwcTestDim defaultSourceDim(1, 1);
+const struct hwc_rect defaultSourceCrop = {0, 0, 1, 1};
+const struct hwc_rect defaultDisplayFrame = {0, 0, 100, 100};
+
+// Defines
+#define MAXCMD               200
+#define CMD_STOP_FRAMEWORK   "stop 2>&1"
+#define CMD_START_FRAMEWORK  "start 2>&1"
+
+// Macros
+#define NUMA(a) (sizeof(a) / sizeof(a [0])) // Num elements in an array
+
+// Local types
+class Rectangle {
+public:
+    Rectangle() : format(defaultFormat), transform(defaultTransform),
+                  blend(defaultBlend), color(defaultColor),
+                  alpha(defaultAlpha), sourceDim(defaultSourceDim),
+                  sourceCrop(defaultSourceCrop),
+                  displayFrame(defaultDisplayFrame) {};
+
+    uint32_t     format;
+    uint32_t     transform;
+    int32_t      blend;
+    ColorFract   color;
+    float        alpha;
+    HwcTestDim   sourceDim;
+    struct hwc_rect   sourceCrop;
+    struct hwc_rect   displayFrame;
+
+    sp<GraphicBuffer> texture;
+};
+
+// Globals
+list<Rectangle> rectangle;
+static const int texUsage = GraphicBuffer::USAGE_HW_TEXTURE |
+        GraphicBuffer::USAGE_SW_WRITE_RARELY;
+static hwc_composer_device_t *hwcDevice;
+static EGLDisplay dpy;
+static EGLSurface surface;
+static EGLint width, height;
+
+// Function prototypes
+static Rectangle parseRect(string rectStr);
+void init(void);
+void printSyntax(const char *cmd);
+
+// Command-line option settings
+static bool verbose = defaultVerbose;
+static float endDelay = defaultEndDelay;
+
+/*
+ * Main
+ *
+ * Performs the following high-level sequence of operations:
+ *
+ *   1. Parse command-line options
+ *
+ *   2. Stop framework
+ *
+ *   3. Initialization
+ *
+ *   4. Parse frame descriptions
+ *
+ *   5. Create HWC list from frame descriptions
+ *
+ *   6. Have HWC render the list description of the frames
+ *
+ *   7. Delay for amount of time given by endDelay
+ *
+ *   8. Start framework
+ */
+int
+main(int argc, char *argv[])
+{
+    int     rv, opt;
+    char   *chptr;
+    bool    error;
+    string  str;
+    char cmd[MAXCMD];
+
+    // Parse command line arguments
+    while ((opt = getopt(argc, argv, "D:v?h")) != -1) {
+        switch (opt) {
+          case 'D': // End of test delay
+            endDelay = strtod(optarg, &chptr);
+            if ((*chptr != '\0') || (endDelay < 0.0)) {
+                testPrintE("Invalid command-line specified end of test delay "
+                           "of: %s", optarg);
+                exit(1);
+            }
+            break;
+
+          case 'v': // Verbose
+            verbose = true;
+            break;
+
+          case 'h': // Help
+          case '?':
+          default:
+            printSyntax(basename(argv[0]));
+            exit(((optopt == 0) || (optopt == '?')) ? 0 : 2);
+        }
+    }
+
+    // Stop framework
+    rv = snprintf(cmd, sizeof(cmd), "%s", CMD_STOP_FRAMEWORK);
+    if (rv >= (signed) sizeof(cmd) - 1) {
+        testPrintE("Command too long for: %s", CMD_STOP_FRAMEWORK);
+        exit(3);
+    }
+    testExecCmd(cmd);
+    testDelay(1.0); // TODO - needs means to query whether asyncronous stop
+                    // framework operation has completed.  For now, just wait
+                    // a long time.
+
+    init();
+
+    // Parse rectangle descriptions
+    int numOpen = 0; // Current number of unmatched <[
+    string rectDesc(""); // String description of a single rectangle
+    while (optind < argc) {
+        string argNext = string(argv[optind++]);
+
+        if (rectDesc.length()) { rectDesc += ' '; }
+        rectDesc += argNext;
+
+        // Count number of opening <[ and matching >]
+        // At this point not worried about an opening character being
+        // matched by it's corresponding closing character.  For example,
+        // "<1.0, 2.0]" is incorrect because the opening < should be matched
+        // with a closing >, instead of the closing ].  Such errors are
+        // detected when the actual value is parsed.
+        for (unsigned int n1 = 0; n1 < argNext.length(); n1++) {
+            switch(argNext[n1]) {
+              case '[':
+              case '<':
+                numOpen++;
+                break;
+
+              case ']':
+              case '>':
+                numOpen--;
+                break;
+            }
+
+            // Error anytime there is more closing then opening characters
+            if (numOpen < 0) {
+                testPrintI("Mismatched number of opening <[ with "
+                           "closing >] in: %s", rectDesc.c_str());
+                exit(4);
+            }
+        }
+
+        // Description of a rectangle is complete when all opening
+        // <[ are closed with >] and the string ends with a comma or
+        // there are no more args.
+        if ((numOpen == 0) && rectDesc.length()
+            && ((rectDesc[rectDesc.length() - 1] == ',')
+                || (optind == argc))) {
+            // Remove trailing comma if it is present
+            if (rectDesc[rectDesc.length() - 1] == ',') {
+                rectDesc.erase(rectDesc.length() - 1);
+            }
+
+            // Parse string description of rectangle
+            Rectangle rect = parseRect(rectDesc);
+
+            // Add to the list of rectangles
+            rectangle.push_back(rect);
+
+            // Prepare for description of another rectangle
+            rectDesc = string("");
+        }
+    }
+
+    // Create list of frames
+    hwc_layer_list_t *list;
+    list = hwcTestCreateLayerList(rectangle.size());
+    if (list == NULL) {
+        testPrintE("hwcTestCreateLayerList failed");
+        exit(5);
+    }
+
+    hwc_layer_t *layer = &list->hwLayers[0];
+    for (std::list<Rectangle>::iterator it = rectangle.begin();
+         it != rectangle.end(); ++it, ++layer) {
+        layer->handle = it->texture->handle;
+        layer->blending = it->blend;
+        layer->transform = it->transform;
+        layer->sourceCrop = it->sourceCrop;
+        layer->displayFrame = it->displayFrame;
+
+        layer->visibleRegionScreen.numRects = 1;
+        layer->visibleRegionScreen.rects = &layer->displayFrame;
+    }
+
+    // Perform prepare operation
+    if (verbose) { testPrintI("Prepare:"); hwcTestDisplayList(list); }
+    hwcDevice->prepare(hwcDevice, list);
+    if (verbose) {
+        testPrintI("Post Prepare:");
+        hwcTestDisplayListPrepareModifiable(list);
+    }
+
+    // Turn off the geometry changed flag
+    list->flags &= ~HWC_GEOMETRY_CHANGED;
+
+    // Perform the set operation(s)
+    if (verbose) {testPrintI("Set:"); }
+    if (verbose) { hwcTestDisplayListHandles(list); }
+    hwcDevice->set(hwcDevice, dpy, surface, list);
+
+    testDelay(endDelay);
+
+    // Start framework
+    rv = snprintf(cmd, sizeof(cmd), "%s", CMD_START_FRAMEWORK);
+    if (rv >= (signed) sizeof(cmd) - 1) {
+        testPrintE("Command too long for: %s", CMD_START_FRAMEWORK);
+        exit(6);
+    }
+    testExecCmd(cmd);
+
+    return 0;
+}
+
+// Parse string description of rectangle and add it to list of rectangles
+// to be rendered.
+static Rectangle parseRect(string rectStr)
+{
+    int rv;
+    string str;
+    bool   error;
+    istringstream in(rectStr);
+    const struct hwcTestGraphicFormat *format;
+    Rectangle rect;
+    struct hwc_rect hwcRect;
+
+    // Graphic Format
+    in >> str;
+    if (!in) {
+        testPrintE("Error parsing format from: %s", rectStr.c_str());
+        exit(20);
+    }
+    format = hwcTestGraphicFormatLookup(str.c_str());
+    if (format == NULL) {
+        testPrintE("Unknown graphic format in: %s", rectStr.c_str());
+        exit(21);
+    }
+    rect.format = format->format;
+
+    // Display Frame
+    rect.displayFrame = hwcTestParseHwcRect(in, error);
+    if (error) {
+        testPrintE("Invalid display frame in: %s", rectStr.c_str());
+        exit(22);
+    }
+
+    // Set default sourceDim and sourceCrop based on size of display frame.
+    // Default is source size equal to the size of the display frame, with
+    // the source crop being the entire size of the source frame.
+    rect.sourceDim = HwcTestDim(rect.displayFrame.right
+                                     - rect.displayFrame.left,
+                                 rect.displayFrame.bottom
+                                     - rect.displayFrame.top);
+    rect.sourceCrop.left = 0;
+    rect.sourceCrop.top = 0;
+    rect.sourceCrop.right = rect.sourceDim.width();
+    rect.sourceCrop.bottom = rect.sourceDim.height();
+
+    // Optional settings
+    while ((in.tellg() < (streampos) in.str().length())
+           && (in.tellg() != (streampos) -1)) {
+        string attrName;
+
+        in >> attrName;
+        if (in.eof()) { break; }
+        if (!in) {
+            testPrintE("Error reading attribute name in: %s",
+                       rectStr.c_str());
+            exit(23);
+        }
+
+        // Transform
+        if (attrName == "transform:") { // Transform
+            string str;
+
+            in >> str;
+            if (str == "none") {
+                rect.transform = 0;
+            } else if (str == "fliph") {
+                rect.transform = HWC_TRANSFORM_FLIP_H;
+            } else if (str == "flipv") {
+                rect.transform = HWC_TRANSFORM_FLIP_V;
+            } else if (str == "rot90") {
+                rect.transform = HWC_TRANSFORM_ROT_90;
+            } else if (str == "rot180") {
+                rect.transform = HWC_TRANSFORM_ROT_180;
+            } else if (str == "rot270") {
+                rect.transform = HWC_TRANSFORM_ROT_270;
+            } else {
+                testPrintE("Unknown transform of \"%s\" in: %s", str.c_str(),
+                           rectStr.c_str());
+                exit(24);
+            }
+        } else if (attrName == "blend:") { // Blend
+            string str;
+
+            in >> str;
+            if (str == string("none")) {
+                rect.blend = HWC_BLENDING_NONE;
+            } else if (str == "premult") {
+                rect.blend = HWC_BLENDING_PREMULT;
+            } else if (str == "coverage") {
+                rect.blend = HWC_BLENDING_COVERAGE;
+            } else {
+                testPrintE("Unknown blend of \"%s\" in: %s", str.c_str(),
+                           rectStr.c_str());
+                exit(25);
+            }
+        } else if (attrName == "color:") { // Color
+            rect.color = hwcTestParseColor(in, error);
+            if (error) {
+                testPrintE("Error parsing color in: %s", rectStr.c_str());
+                exit(26);
+            }
+        } else if (attrName == "alpha:") { // Alpha
+            in >> rect.alpha;
+            if (!in) {
+                testPrintE("Error parsing value for alpha attribute in: %s",
+                           rectStr.c_str());
+                exit(27);
+            }
+        } else if (attrName == "sourceDim:") { // Source Dimension
+           rect.sourceDim = hwcTestParseDim(in, error);
+            if (error) {
+                testPrintE("Error parsing source dimenision in: %s",
+                           rectStr.c_str());
+                exit(28);
+            }
+        } else if (attrName == "sourceCrop:") { // Source Crop
+            rect.sourceCrop = hwcTestParseHwcRect(in, error);
+            if (error) {
+                testPrintE("Error parsing source crop in: %s",
+                           rectStr.c_str());
+                exit(29);
+            }
+        } else { // Unknown attribute
+            testPrintE("Unknown attribute of \"%s\" in: %s", attrName.c_str(),
+                       rectStr.c_str());
+            exit(30);
+        }
+    }
+
+    // Validate
+    if (((uint32_t) rect.sourceCrop.left >= rect.sourceDim.width())
+        || ((uint32_t) rect.sourceCrop.right > rect.sourceDim.width())
+        || ((uint32_t) rect.sourceCrop.top >= rect.sourceDim.height())
+        || ((uint32_t) rect.sourceCrop.bottom > rect.sourceDim.height())) {
+        testPrintE("Invalid source crop in: %s", rectStr.c_str());
+        exit(31);
+    }
+    if ((rect.displayFrame.left >= width)
+        || (rect.displayFrame.right > width)
+        || (rect.displayFrame.top >= height)
+        || (rect.displayFrame.bottom > height)) {
+        testPrintE("Invalid display frame in: %s", rectStr.c_str());
+        exit(32);
+    }
+    if ((rect.alpha < 0.0) || (rect.alpha > 1.0)) {
+        testPrintE("Invalid alpha in: %s", rectStr.c_str());
+        exit(33);
+    }
+
+    // Create source texture
+    rect.texture = new GraphicBuffer(rect.sourceDim.width(),
+                                     rect.sourceDim.height(),
+                                     rect.format, texUsage);
+    if ((rv = rect.texture->initCheck()) != NO_ERROR) {
+        testPrintE("source texture initCheck failed, rv: %i", rv);
+        testPrintE("  %s", rectStr.c_str());
+
+    }
+
+    // Fill with uniform color
+    hwcTestFillColor(rect.texture.get(), rect.color, rect.alpha);
+    if (verbose) {
+        testPrintI("    buf: %p handle: %p format: %s width: %u height: %u "
+                   "color: %s alpha: %f",
+                   rect.texture.get(), rect.texture->handle, format->desc,
+                   rect.sourceDim.width(), rect.sourceDim.height(),
+                   string(rect.color).c_str(), rect.alpha);
+    }
+
+    return rect;
+}
+
+void init(void)
+{
+    // Seed pseudo random number generator
+    // Needed so that the pad areas of frames are filled with a deterministic
+    // pseudo random value.
+    srand48(0);
+
+    hwcTestInitDisplay(verbose, &dpy, &surface, &width, &height);
+
+    hwcTestOpenHwc(&hwcDevice);
+}
+
+void printSyntax(const char *cmd)
+{
+    testPrintE("  %s [options] (graphicFormat displayFrame [attributes],)...",
+               cmd);
+    testPrintE("    options:");
+    testPrintE("      -D End of test delay");
+    testPrintE("      -v Verbose");
+    testPrintE("");
+    testPrintE("    graphic formats:");
+    for (unsigned int n1 = 0; n1 < NUMA(hwcTestGraphicFormat); n1++) {
+        testPrintE("      %s", hwcTestGraphicFormat[n1].desc);
+    }
+    testPrintE("");
+    testPrintE("    displayFrame");
+    testPrintE("      [left, top, right, bottom]");
+    testPrintE("");
+    testPrintE("    attributes:");
+    testPrintE("      transform: none | fliph | flipv | rot90 | rot180 "
+               " | rot270");
+    testPrintE("      blend: none | premult | coverage");
+    testPrintE("      color: [0.##, 0.##, 0.##]");
+    testPrintE("      alpha: 0.##");
+    testPrintE("      sourceDim: [width, height]");
+    testPrintE("      sourceCrop: [left, top, right, bottom]");
+    testPrintE("");
+    testPrintE("    Example:");
+    testPrintE("      # White YV12 rectangle, with overlapping turquoise ");
+    testPrintE("      #  RGBA8888 rectangle at 30%% (alpha: 0.7) transparency");
+    testPrintE("      %s -v -D 30.0 \\", cmd);
+    testPrintE("        YV12 [50, 80, 200, 300] transform: none \\");
+    testPrintE("          color: [1.0, 0.5, 0.5], \\");
+    testPrintE("        RGBA8888 [100, 150, 300, 400] blend: coverage \\");
+    testPrintE("          color: [0.251, 0.878, 0.816] alpha: 0.7 \\");
+    testPrintE("          sourceDim: [50, 60] sourceCrop: [5, 8, 12, 15]");
+}