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// SPDX-License-Identifier: GPL-2.0+
/*
* efi_selftest_bitblt
*
* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* Test the block image transfer in the graphical output protocol.
* An animated submarine is shown.
*/
#include <efi_selftest.h>
#define WIDTH 200
#define HEIGHT 120
#define DEPTH 60
static const struct efi_gop_pixel BLACK = { 0, 0, 0, 0};
static const struct efi_gop_pixel RED = { 0, 0, 255, 0};
static const struct efi_gop_pixel ORANGE = { 0, 128, 255, 0};
static const struct efi_gop_pixel YELLOW = { 0, 255, 255, 0};
static const struct efi_gop_pixel GREEN = { 0, 255, 0, 0};
static const struct efi_gop_pixel DARK_BLUE = {128, 0, 0, 0};
static const struct efi_gop_pixel LIGHT_BLUE = {255, 192, 192, 0};
static struct efi_boot_services *boottime;
static efi_guid_t efi_gop_guid = EFI_GOP_GUID;
static struct efi_gop *gop;
static struct efi_gop_pixel *bitmap;
static struct efi_event *event;
static efi_uintn_t xpos;
static void ellipse(efi_uintn_t x, efi_uintn_t y,
efi_uintn_t x0, efi_uintn_t y0,
efi_uintn_t x1, efi_uintn_t y1,
const struct efi_gop_pixel col, struct efi_gop_pixel *pix)
{
efi_uintn_t xm = x0 + x1;
efi_uintn_t ym = y0 + y1;
efi_uintn_t dx = x1 - x0 + 1;
efi_uintn_t dy = y1 - y0 + 1;
if (dy * dy * (2 * x - xm) * (2 * x - xm) +
dx * dx * (2 * y - ym) * (2 * y - ym) <= dx * dx * dy * dy)
*pix = col;
}
static void rectangle(efi_uintn_t x, efi_uintn_t y,
efi_uintn_t x0, efi_uintn_t y0,
efi_uintn_t x1, efi_uintn_t y1,
const struct efi_gop_pixel col, struct efi_gop_pixel *pix)
{
if (x >= x0 && y >= y0 && x <= x1 && y <= y1)
*pix = col;
}
/*
* Notification function, copies image to video.
* The position is incremented in each call.
*
* @event notified event
* @context pointer to the notification count
*/
static void EFIAPI notify(struct efi_event *event, void *context)
{
efi_uintn_t *pos = context;
efi_uintn_t dx, sx, width;
if (!pos)
return;
/* Increment position */
*pos += 5;
if (*pos >= WIDTH + gop->mode->info->width)
*pos = 0;
width = WIDTH;
dx = *pos - WIDTH;
sx = 0;
if (*pos >= gop->mode->info->width) {
width = WIDTH + gop->mode->info->width - *pos;
} else if (*pos < WIDTH) {
dx = 0;
sx = WIDTH - *pos;
width = *pos;
}
/* Copy image to video */
gop->blt(gop, bitmap, EFI_BLT_BUFFER_TO_VIDEO, sx, 0, dx, DEPTH,
width, HEIGHT, WIDTH * sizeof(struct efi_gop_pixel));
}
/*
* Setup unit test.
*
* @handle: handle of the loaded image
* @systable: system table
* @return: EFI_ST_SUCCESS for success
*/
static int setup(const efi_handle_t handle,
const struct efi_system_table *systable)
{
efi_status_t ret;
struct efi_gop_pixel pix;
efi_uintn_t x, y;
boottime = systable->boottime;
/* Create event */
ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL,
TPL_CALLBACK, notify, (void *)&xpos,
&event);
if (ret != EFI_SUCCESS) {
efi_st_error("could not create event\n");
return EFI_ST_FAILURE;
}
/* Get graphical output protocol */
ret = boottime->locate_protocol(&efi_gop_guid, NULL, (void **)&gop);
if (ret != EFI_SUCCESS) {
gop = NULL;
efi_st_printf("Graphical output protocol is not available.\n");
return EFI_ST_SUCCESS;
}
/* Prepare image of submarine */
ret = boottime->allocate_pool(EFI_LOADER_DATA,
sizeof(struct efi_gop_pixel) *
WIDTH * HEIGHT, (void **)&bitmap);
if (ret != EFI_SUCCESS) {
efi_st_error("Out of memory\n");
return EFI_ST_FAILURE;
}
for (y = 0; y < HEIGHT; ++y) {
for (x = 0; x < WIDTH; ++x) {
pix = DARK_BLUE;
/* Propeller */
ellipse(x, y, 35, 55, 43, 75, BLACK, &pix);
ellipse(x, y, 36, 56, 42, 74, LIGHT_BLUE, &pix);
ellipse(x, y, 35, 75, 43, 95, BLACK, &pix);
ellipse(x, y, 36, 76, 42, 94, LIGHT_BLUE, &pix);
/* Shaft */
rectangle(x, y, 35, 73, 100, 77, BLACK, &pix);
/* Periscope */
ellipse(x, y, 120, 10, 160, 50, BLACK, &pix);
ellipse(x, y, 121, 11, 159, 59, YELLOW, &pix);
ellipse(x, y, 130, 20, 150, 40, BLACK, &pix);
ellipse(x, y, 131, 21, 149, 49, DARK_BLUE, &pix);
rectangle(x, y, 135, 10, 160, 50, DARK_BLUE, &pix);
ellipse(x, y, 132, 10, 138, 20, BLACK, &pix);
ellipse(x, y, 133, 11, 139, 19, RED, &pix);
/* Rudder */
ellipse(x, y, 45, 40, 75, 70, BLACK, &pix);
ellipse(x, y, 46, 41, 74, 69, ORANGE, &pix);
ellipse(x, y, 45, 80, 75, 109, BLACK, &pix);
ellipse(x, y, 46, 81, 74, 108, RED, &pix);
/* Bridge */
ellipse(x, y, 100, 30, 120, 50, BLACK, &pix);
ellipse(x, y, 101, 31, 119, 49, GREEN, &pix);
ellipse(x, y, 140, 30, 160, 50, BLACK, &pix);
ellipse(x, y, 141, 31, 159, 49, GREEN, &pix);
rectangle(x, y, 110, 30, 150, 50, BLACK, &pix);
rectangle(x, y, 110, 31, 150, 50, GREEN, &pix);
/* Hull */
ellipse(x, y, 50, 40, 199, 109, BLACK, &pix);
ellipse(x, y, 51, 41, 198, 108, LIGHT_BLUE, &pix);
/* Port holes */
ellipse(x, y, 79, 57, 109, 82, BLACK, &pix);
ellipse(x, y, 80, 58, 108, 81, LIGHT_BLUE, &pix);
ellipse(x, y, 83, 61, 105, 78, BLACK, &pix);
ellipse(x, y, 84, 62, 104, 77, YELLOW, &pix);
/*
* This port hole is created by copying
* ellipse(x, y, 119, 57, 149, 82, BLACK, &pix);
* ellipse(x, y, 120, 58, 148, 81, LIGHT_BLUE, &pix);
* ellipse(x, y, 123, 61, 145, 78, BLACK, &pix);
* ellipse(x, y, 124, 62, 144, 77, YELLOW, &pix);
*/
ellipse(x, y, 159, 57, 189, 82, BLACK, &pix);
ellipse(x, y, 160, 58, 188, 81, LIGHT_BLUE, &pix);
ellipse(x, y, 163, 61, 185, 78, BLACK, &pix);
ellipse(x, y, 164, 62, 184, 77, YELLOW, &pix);
bitmap[WIDTH * y + x] = pix;
}
}
return EFI_ST_SUCCESS;
}
/*
* Tear down unit test.
*
* @return: EFI_ST_SUCCESS for success
*/
static int teardown(void)
{
efi_status_t ret;
if (bitmap) {
ret = boottime->free_pool(bitmap);
if (ret != EFI_SUCCESS) {
efi_st_error("FreePool failed\n");
return EFI_ST_FAILURE;
}
}
if (event) {
ret = boottime->close_event(event);
event = NULL;
if (ret != EFI_SUCCESS) {
efi_st_error("could not close event\n");
return EFI_ST_FAILURE;
}
}
return EFI_ST_SUCCESS;
}
/*
* Execute unit test.
*
* @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
u32 max_mode;
efi_status_t ret;
struct efi_gop_mode_info *info;
if (!gop)
return EFI_ST_SUCCESS;
if (!gop->mode) {
efi_st_error("EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE missing\n");
return EFI_ST_FAILURE;
}
info = gop->mode->info;
max_mode = gop->mode->max_mode;
if (!max_mode) {
efi_st_error("No graphical mode available\n");
return EFI_ST_FAILURE;
}
/* Fill background */
ret = gop->blt(gop, bitmap, EFI_BLT_VIDEO_FILL, 0, 0, 0, 0,
info->width, info->height, 0);
if (ret != EFI_SUCCESS) {
efi_st_error("EFI_BLT_VIDEO_FILL failed\n");
return EFI_ST_FAILURE;
}
/* Copy image to video */
ret = gop->blt(gop, bitmap, EFI_BLT_BUFFER_TO_VIDEO, 0, 0, 0, DEPTH,
WIDTH, HEIGHT, 0);
if (ret != EFI_SUCCESS) {
efi_st_error("EFI_BLT_BUFFER_TO_VIDEO failed\n");
return EFI_ST_FAILURE;
}
/* Copy left port hole */
ret = gop->blt(gop, bitmap, EFI_BLT_VIDEO_TO_VIDEO,
79, 57 + DEPTH, 119, 57 + DEPTH,
31, 26, 0);
if (ret != EFI_SUCCESS) {
efi_st_error("EFI_BLT_VIDEO_TO_VIDEO failed\n");
return EFI_ST_FAILURE;
}
/* Copy port holes back to buffer */
ret = gop->blt(gop, bitmap, EFI_BLT_VIDEO_TO_BLT_BUFFER,
94, 57 + DEPTH, 94, 57,
90, 26, WIDTH * sizeof(struct efi_gop_pixel));
if (ret != EFI_SUCCESS) {
efi_st_error("EFI_BLT_VIDEO_TO_BLT_BUFFER failed\n");
return EFI_ST_FAILURE;
}
/* Set 250ms timer */
xpos = WIDTH;
ret = boottime->set_timer(event, EFI_TIMER_PERIODIC, 250000);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not set timer\n");
return EFI_ST_FAILURE;
}
con_out->set_cursor_position(con_out, 0, 0);
con_out->set_attribute(con_out, EFI_WHITE | EFI_BACKGROUND_BLUE);
efi_st_printf("The submarine should have three yellow port holes.\n");
efi_st_printf("Press any key to continue");
efi_st_get_key();
con_out->set_attribute(con_out, EFI_LIGHTGRAY);
efi_st_printf("\n");
return EFI_ST_SUCCESS;
}
EFI_UNIT_TEST(bitblt) = {
.name = "block image transfer",
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
.setup = setup,
.execute = execute,
.teardown = teardown,
.on_request = true,
};