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/*
* 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>
#define LOG_TAG "hwcRectsTest"
#include <utils/Log.h>
#include <testUtil.h>
#include <hardware/hwcomposer.h>
#include <glTestLib.h>
#include "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_1_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];
testSetLogCatTag(LOG_TAG);
// 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_display_contents_1_t *list;
list = hwcTestCreateLayerList(rectangle.size());
if (list == NULL) {
testPrintE("hwcTestCreateLayerList failed");
exit(5);
}
hwc_layer_1_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, 1, &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); }
list->dpy = dpy;
list->sur = surface;
hwcDevice->set(hwcDevice, 1, &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]");
}