d031df2719
Fixes a display bug seenby ajacoutot@, ok jsg@ and kettenis@. newer X.Org (2.99.917 or master) version cause corruption on older machines (X40, i965), probably caused by a bug in our kernel, under investigation by kettenis@.
148 lines
2.9 KiB
C
148 lines
2.9 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/Xutil.h> /* for XDestroyImage */
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#include <pixman.h> /* for pixman blt functions */
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#include "test.h"
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static const XPoint points[]= {
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/* top */
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{ 0, 0},
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{ 1, 0},
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{ 2, 0},
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{ 3, 0},
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{ 4, 0},
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{ 5, 0},
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{ 6, 0},
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{ 7, 0},
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{ 8, 0},
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/* right */
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{ 8, 1},
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{ 8, 2},
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{ 8, 3},
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{ 8, 4},
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{ 8, 5},
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{ 8, 6},
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{ 8, 7},
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{ 8, 8},
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/* bottom */
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{ 7, 8},
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{ 6, 8},
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{ 5, 8},
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{ 4, 8},
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{ 3, 8},
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{ 2, 8},
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{ 1, 8},
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{ 0, 8},
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/* left */
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{ 0, 7},
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{ 0, 6},
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{ 0, 5},
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{ 0, 4},
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{ 0, 3},
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{ 0, 2},
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{ 0, 1},
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{ 0, 0} /* and origin again for luck */
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};
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#define NUM_POINTS (sizeof(points)/sizeof(points[0]))
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static void clear(struct test_display *dpy, struct test_target *tt)
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{
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XRenderColor render_color = {0};
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XRenderFillRectangle(dpy->dpy, PictOpClear, tt->picture, &render_color,
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0, 0, tt->width, tt->height);
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}
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static void draw_line(struct test_display *dpy, struct test_target *tt,
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int alu, int width, int style, int cap,
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const XPoint *p1, const XPoint *p2,
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int dx, int dy)
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{
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XGCValues val;
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GC gc;
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val.function = GXcopy;
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val.foreground = WhitePixel(dpy->dpy, 0);
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val.line_width = width;
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val.line_style = style;
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val.cap_style = cap;
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gc = XCreateGC(dpy->dpy, tt->draw,
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GCForeground |
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GCFunction |
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GCLineWidth |
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GCLineStyle |
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GCCapStyle,
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&val);
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XDrawLine(dpy->dpy, tt->draw, gc,
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p1->x + dx, p1->y + dy,
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p2->x + dx, p2->y + dy);
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XFreeGC(dpy->dpy, gc);
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}
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static void line_tests(struct test *t, enum target target)
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{
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char buf[1024];
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struct test_target out, ref;
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int a, b, alu, lw, style, cap;
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printf("Testing drawing of single line segments (%s): ",
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test_target_name(target));
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fflush(stdout);
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test_target_create_render(&t->out, target, &out);
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test_target_create_render(&t->ref, target, &ref);
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style = LineSolid;
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for (alu = 0; alu < 16; alu++) {
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for (cap = CapNotLast; cap <= CapProjecting; cap++) {
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for (lw = 0; lw <= 4; lw++) {
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for (a = 0; a < NUM_POINTS; a++) {
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for (b = 0; b < NUM_POINTS; b++) {
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sprintf(buf,
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"p1=(%d, %d), p2=(%d, %d), width=%d, cap=%d, alu=%d",
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points[a].x, points[a].y,
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points[b].x, points[b].y,
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lw, cap, alu);
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clear(&t->out, &out);
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clear(&t->ref, &ref);
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draw_line(&t->out, &out, alu, lw, style, cap,
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&points[a], &points[b], 64, 64);
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draw_line(&t->ref, &ref, alu, lw, style, cap,
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&points[a], &points[b], 64, 64);
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test_compare(t,
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out.draw, out.format,
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ref.draw, ref.format,
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0, 0, out.width, out.height,
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buf);
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}
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}
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}
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}
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}
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test_target_destroy_render(&t->out, &out);
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test_target_destroy_render(&t->ref, &ref);
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printf("\n");
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}
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int main(int argc, char **argv)
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{
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struct test test;
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enum target t;
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test_init(&test, argc, argv);
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for (t = TARGET_FIRST; t <= TARGET_LAST; t++)
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line_tests(&test, t);
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return 0;
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}
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