fusee: use pre-rendered splash screen instead of bmp

This commit is contained in:
Michael Scire
2021-01-01 16:26:00 -08:00
committed by SciresM
parent 4b09b5d5ce
commit dcfd01cf59
4 changed files with 55 additions and 54 deletions

View File

@@ -23,7 +23,7 @@
#define u8 uint8_t
#define u32 uint32_t
#include "splash_screen_bmp.h"
#include "splash_screen_bin.h"
#undef u8
#undef u32
@@ -36,7 +36,7 @@ static void render_bmp(const uint32_t *bmp_data, uint32_t *framebuffer, uint32_t
framebuffer[x + (y * SPLASH_SCREEN_STRIDE)] = bmp_data[(bmp_height + bmp_pos_y - 1 - y) * bmp_width + x - bmp_pos_x];
}
}
/* Re-initialize the frame buffer. */
console_display(framebuffer);
}
@@ -47,51 +47,55 @@ void splash_screen_wait_delay(void) {
}
void display_splash_screen_bmp(const char *custom_splash_path, void *fb_address) {
uint8_t *splash_screen = (uint8_t *)splash_screen_bmp;
uint8_t *splash_screen = (uint8_t *)splash_screen_bin;
/* Try to load an external custom splash screen. */
if ((custom_splash_path != NULL) && (custom_splash_path[0] != '\x00')) {
if (!read_from_file(splash_screen, splash_screen_bmp_size, custom_splash_path)) {
if (!read_from_file(splash_screen, splash_screen_bin_size, custom_splash_path)) {
fatal_error("Failed to read custom splash screen from %s!\n", custom_splash_path);
}
}
/* Check for 'BM' magic. */
if ((splash_screen[0] == 'B') && (splash_screen[1] == 'M')) {
/* Extract BMP parameters. */
uint32_t bmp_size = (splash_screen[0x02] | (splash_screen[0x03] << 8) | (splash_screen[0x04] << 16) | (splash_screen[0x05] << 24));
uint32_t bmp_offset = (splash_screen[0x0A] | (splash_screen[0x0B] << 8) | (splash_screen[0x0C] << 16) | (splash_screen[0x0D] << 24));
uint32_t bmp_width = (splash_screen[0x12] | (splash_screen[0x13] << 8) | (splash_screen[0x14] << 16) | (splash_screen[0x15] << 24));
uint32_t bmp_height = (splash_screen[0x16] | (splash_screen[0x17] << 8) | (splash_screen[0x18] << 16) | (splash_screen[0x19] << 24));
uint16_t bmp_bpp = (splash_screen[0x1C] | (splash_screen[0x1D] << 8));
uint32_t bmp_data_size = (splash_screen[0x22] | (splash_screen[0x23] << 8) | (splash_screen[0x24] << 16) | (splash_screen[0x25] << 24));
/* Data size can be wrong or set to 0. In that case, we calculate it instead. */
if (!bmp_data_size || (bmp_data_size >= bmp_size))
bmp_data_size = (bmp_size - bmp_offset);
/* Only accept images up to 720x1280 resolution and with 32 BPP. */
if ((bmp_width > SPLASH_SCREEN_WIDTH_MAX) || (bmp_height > SPLASH_SCREEN_HEIGHT_MAX)) {
fatal_error("Invalid splash screen dimensions!\n");
} else if (bmp_bpp != SPLASH_SCREEN_BPP) {
fatal_error("Invalid splash screen color depth!\n");
} else if (bmp_data_size > SPLASH_SCREEN_SIZE_MAX) {
fatal_error("Splash screen data size is too big!\n");
/* Check for 'BM' magic. */
if ((splash_screen[0] == 'B') && (splash_screen[1] == 'M')) {
/* Extract BMP parameters. */
uint32_t bmp_size = (splash_screen[0x02] | (splash_screen[0x03] << 8) | (splash_screen[0x04] << 16) | (splash_screen[0x05] << 24));
uint32_t bmp_offset = (splash_screen[0x0A] | (splash_screen[0x0B] << 8) | (splash_screen[0x0C] << 16) | (splash_screen[0x0D] << 24));
uint32_t bmp_width = (splash_screen[0x12] | (splash_screen[0x13] << 8) | (splash_screen[0x14] << 16) | (splash_screen[0x15] << 24));
uint32_t bmp_height = (splash_screen[0x16] | (splash_screen[0x17] << 8) | (splash_screen[0x18] << 16) | (splash_screen[0x19] << 24));
uint16_t bmp_bpp = (splash_screen[0x1C] | (splash_screen[0x1D] << 8));
uint32_t bmp_data_size = (splash_screen[0x22] | (splash_screen[0x23] << 8) | (splash_screen[0x24] << 16) | (splash_screen[0x25] << 24));
/* Data size can be wrong or set to 0. In that case, we calculate it instead. */
if (!bmp_data_size || (bmp_data_size >= bmp_size))
bmp_data_size = (bmp_size - bmp_offset);
/* Only accept images up to 720x1280 resolution and with 32 BPP. */
if ((bmp_width > SPLASH_SCREEN_WIDTH_MAX) || (bmp_height > SPLASH_SCREEN_HEIGHT_MAX)) {
fatal_error("Invalid splash screen dimensions!\n");
} else if (bmp_bpp != SPLASH_SCREEN_BPP) {
fatal_error("Invalid splash screen color depth!\n");
} else if (bmp_data_size > SPLASH_SCREEN_SIZE_MAX) {
fatal_error("Splash screen data size is too big!\n");
}
/* Calculate screen positions. */
uint32_t bmp_pos_x = ((SPLASH_SCREEN_WIDTH_MAX - bmp_width) / 2);
uint32_t bmp_pos_y = ((SPLASH_SCREEN_HEIGHT_MAX - bmp_height) / 2);
/* Advance to data. */
splash_screen += bmp_offset;
/* Render the BMP. */
render_bmp((uint32_t *)splash_screen, (uint32_t *)fb_address, bmp_width, bmp_height, bmp_pos_x, bmp_pos_y);
} else {
fatal_error("Invalid splash screen format!\n");
}
/* Calculate screen positions. */
uint32_t bmp_pos_x = ((SPLASH_SCREEN_WIDTH_MAX - bmp_width) / 2);
uint32_t bmp_pos_y = ((SPLASH_SCREEN_HEIGHT_MAX - bmp_height) / 2);
/* Advance to data. */
splash_screen += bmp_offset;
/* Render the BMP. */
render_bmp((uint32_t *)splash_screen, (uint32_t *)fb_address, bmp_width, bmp_height, bmp_pos_x, bmp_pos_y);
} else {
fatal_error("Invalid splash screen format!\n");
/* Copy the pre-rendered framebuffer. */
memcpy(fb_address, splash_screen, splash_screen_bin_size);
console_display(fb_address);
}
/* Note the time we started displaying the splash. */
g_splash_start_time = get_time_us();
}