Attachment 24166 Details for Bug 20152 – xorg bitmap size stress testing tool

xorg bitmap size stress testing tool

main.c (text/x-csrc), 5.34 KB, created by martin on 2009-03-23 06:42:37 UTC

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Creator: martin

Created: 2009-03-23 06:42:37 UTC

Size: 5.34 KB

patch

obsolete

>/* Copyright (c) 2009 Martin Olsson
> *
> * Permission is hereby granted, free of charge, to any person obtaining a copy
> * of this software and associated documentation files (the "Software"), to deal
> * in the Software without restriction, including without limitation the rights
> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> * copies of the Software, and to permit persons to whom the Software is
> * furnished to do so, subject to the following conditions:
> *
> * The above copyright notice and this permission notice shall be included in
> * all copies or substantial portions of the Software.
> *
> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> * THE SOFTWARE.
> */
>
>
>/*********************
> * This program is a testing utility designed to stress the graphics driver
> * in order to expose incorrect handling of large bitmaps. 
> *
> *
> *
> * A few useful links:
> *
> * Overview of XRender:
> * http://en.wikipedia.org/wiki/XRender
> *
> * Latest XRender specification:
> * http://cgit.freedesktop.org/xorg/proto/renderproto/plain/renderproto.txt
> *
> * Paper on the design of the XRender extension:
> * http://www.keithp.com/~keithp/talks/usenix2000/render.html
> */
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <stdbool.h>
>#include <time.h>
>
>#include <X11/Xlib.h>
>#include <X11/extensions/Xrender.h>
>
>#define DEFAULT_MAX_SIZE	2002
>
>typedef struct {
>	bool hit_hw_path;
>	bool hit_sw_path;
>	int max_size;
>} command_line_options;
>/* Global variable containing parsed command line parameter info. */
>command_line_options cli_options = { .hit_hw_path = true, .hit_sw_path = true, .max_size = DEFAULT_MAX_SIZE };
>
>void print_usage ()
>{
>	printf ("Usage:\n");
>	printf ("\n");
>	printf ("\t--hw-only\t\ttest app will exercise hardware accelerated executation path only\n");
>	printf ("\t--sw-only\t\ttest app will exercise software rendering executation path only\n");
>	printf ("\t--max-size SIZE\t\ttest app will create bitmaps up to SIZE x SIZE only\n");
>	printf ("\n");
>	printf ("\tNote: by default the test application will hit both HW and SW paths up to a max size of %d x %d.\n", DEFAULT_MAX_SIZE, DEFAULT_MAX_SIZE);
>}
>
>void do_bitmap_size_testing(Display *xdisplay, Window root_window, int bitmap_size)
>{
>	static XRenderColor white = { 0xffff, 0xffff, 0xffff, 0xffff };
>	static XRenderPictFormat *argb32_format = NULL;
>	if (argb32_format == NULL)
>		argb32_format = XRenderFindStandardFormat(xdisplay, PictStandardARGB32);
>
>	fprintf(stderr, "testing bitmap size == %d ... ", bitmap_size);
>	Pixmap pixmap = XCreatePixmap(xdisplay, root_window, /*width=*/bitmap_size, /*height=*/bitmap_size, 32);
>	Picture picture = XRenderCreatePicture(xdisplay, pixmap, argb32_format, 0, NULL);
>	XFreePixmap(xdisplay, pixmap);
>
>	if (cli_options.hit_hw_path) {
>		/* Hit a HW accel path. */
>		XRenderFillRectangle(xdisplay, PictOpSrc, picture, &white, /*x=*/0, /*y=*/0, /*width=*/bitmap_size, /*height=*/bitmap_size);
>	}
>
>	if (cli_options.hit_sw_path) {
>		/* Hit a SW path. */
>		XRenderFillRectangle(xdisplay, PictOpConjointOver, picture, &white, /*x=*/0, /*y=*/0, /*width=*/bitmap_size, /*height=*/bitmap_size);
>	}
>
>	XFlush(xdisplay);
>	fprintf(stderr, "Done\n");
>	XRenderFreePicture(xdisplay, picture);
>}
>
>int main (int argc, char *argv[])
>{
>	/* Parse command line arguments. */
>	argv = &argv[1];
>	argc--;
>	while (argc >= 1) {
>		if (argc >= 1 && strcmp(argv[0], "--hw-only") == 0) {
>			cli_options.hit_sw_path = false;
>			argc--; argv++;
>		} else if (argc >= 1 && strcmp(argv[0], "--sw-only") == 0) {
>			cli_options.hit_hw_path = false;
>			argc--; argv++;
>		} else if (argc >= 2 && strcmp(argv[0], "--max-size") == 0) {
>			cli_options.max_size = atoi(argv[1]);
>			argc--; argc--;	argv++; argv++;
>		} else if (argc >= 1 &&
>			   	((strcmp(argv[0], "--help") == 0) ||
>			  	 (strcmp(argv[0], "--h") == 0) ||
>				 (strcmp(argv[0], "-h") == 0))
>			  ) {
>			print_usage();
>			exit(1);
>		} else {
>			printf ("ERROR: Invalid parameter.\n\n\n");
>			print_usage();
>			exit(1);
>		}
>	}
>	fprintf(stderr, "\n");
>	fprintf(stderr, "%20s: %s\n", "Test HW", cli_options.hit_hw_path?"yes":"no");
>	fprintf(stderr, "%20s: %s\n", "Test SW", cli_options.hit_sw_path?"yes":"no");
>	fprintf(stderr, "%20s: %d\n", "Max bitmap size", cli_options.max_size);
>	fprintf(stderr, "\n");
>
>	/* Create XLib client. */
>	Display *xdisplay = XOpenDisplay(NULL);
>	Window root_window = XRootWindow(xdisplay, DefaultScreen(xdisplay));
>
>	/* Create bigger and bigger XRender bitmaps and draw a solid rectangle to
>	 * each one to make sure that the graphics drivers is hit by each one. */
>	for (int bitmap_size = 10; bitmap_size < cli_options.max_size; bitmap_size = bitmap_size*1.1 + 1)
>		do_bitmap_size_testing(xdisplay, root_window, bitmap_size);
>	/* Finally, also test the exact max_size itself (this is useful for
>	 * determining exactly for which value things start to go wrong). */
>	do_bitmap_size_testing(xdisplay, root_window, cli_options.max_size);
>
>	/* Free XLib client and exit. */
>	fprintf(stderr, "Program Finished.\n");
>	XCloseDisplay(xdisplay);
>
>	return 0;
>}
>

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