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lib: Export calculate_logo_coordinates for external use

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Expose calculate_logo_coordinates() by moving its declaration to
bootsplash.h and removing the static qualifier in render_bmp.c.

This allows other parts of the codebase, such as the upcoming text
rendering logic, to reuse the existing logo positioning math to
calculate destination coordinates based on alignment settings.

Change-Id: I8f8b767b093d6bc2befefdc55fe2effa38b95752
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91154
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Subrata Banik 2026-02-09 23:40:27 +05:30
commit 5aeda3e7bb
2 changed files with 10 additions and 1 deletions
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9
src/include/bootsplash.h
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@ -141,6 +141,15 @@ struct logo_config {
uint8_t logo_bottom_margin;
};
/*
* Calculates the destination coordinates for the logo based on both horizontal and
* vertical alignment settings.
*/
struct logo_coordinates calculate_logo_coordinates(
uint32_t horizontal_resolution, uint32_t vertical_resolution,
uint32_t logo_width, uint32_t logo_height,
enum fw_splash_horizontal_alignment halignment,
enum fw_splash_vertical_alignment valignment);
void render_logo_to_framebuffer(struct logo_config *config);
void load_and_convert_bmp_to_blt(uintptr_t *logo, size_t *logo_size,
uintptr_t *blt, size_t *blt_size, uint32_t *pixel_height, uint32_t *pixel_width,

2
src/lib/render_bmp.c
View file

@ -487,7 +487,7 @@ void convert_bmp_to_blt(uintptr_t logo, size_t logo_size,
* Returning `struct logo_coordinates` that contains the calculated x and y coordinates
* for rendering the logo.
*/
static struct logo_coordinates calculate_logo_coordinates(
struct logo_coordinates calculate_logo_coordinates(
uint32_t horizontal_resolution, uint32_t vertical_resolution,
uint32_t logo_width, uint32_t logo_height,
enum fw_splash_horizontal_alignment halignment,