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FB test: add stripes to detect line-shift bugs

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ref #983
This commit is contained in:
Martin Stein 2013-12-02 11:54:56 +01:00 committed by Norman Feske
parent 576b9389cb
commit d57319bbcb
1 changed files with 17 additions and 12 deletions
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29
os/src/test/framebuffer/main.cc
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@ -41,7 +41,8 @@ int main()
PERR("pixel format not supported");
return -1;
}
unsigned const fb_size = (unsigned)(mode.width() * mode.height() * fb_bpp);
size_t const fb_size = (unsigned)(mode.width() * mode.height() * fb_bpp);
addr_t const stripe_width = mode.width() / 4;
while (1) {
enum {
BLACK = 0x0,
@ -50,30 +51,34 @@ int main()
RED = 0xf800,
WHITE = 0xffff,
};
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(uint16_t volatile *)(fb_base + o) = BLACK;
PINF("black");
PINF("black & white stripes");
addr_t stripe_o = 0;
bool stripe = 0;
for (addr_t o = 0; o < fb_size; o += fb_bpp) {
stripe_o++;
if (stripe_o == stripe_width) {
stripe_o = 0;
stripe = !stripe;
}
*(uint16_t volatile *)(fb_base + o) = stripe ? BLACK : WHITE;
}
timer.msleep(2000);
PINF("blue");
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(uint16_t volatile *)(fb_base + o) = BLUE;
PINF("blue");
timer.msleep(2000);
PINF("green");
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(uint16_t volatile *)(fb_base + o) = GREEN;
PINF("green");
timer.msleep(2000);
PINF("red");
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(uint16_t volatile *)(fb_base + o) = RED;
PINF("red");
timer.msleep(2000);
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(uint16_t volatile *)(fb_base + o) = WHITE;
PINF("white");
timer.msleep(2000);
PINF("all colors mixed");
unsigned i = 0;
for (addr_t o = 0; o < fb_size; o += fb_bpp, i++)
*(uint16_t volatile *)(fb_base + o) = i;
PINF("all");
timer.msleep(2000);
}
return 0;