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cbgfx: add draw_bitmap

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draw_bitmap renders a bitmap image on screen with position and sizes
scaled relative to the screen. images are scaled up or down by nearest
neighbor interpolation.

BUG=chrome-os-partner:43444
BRANCH=tot
TEST=drew bitmap images on Samus

Change-Id: Ib599acc85b25626a6aed1fa9884ecd8e169bb860
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c910c9cdb7efc53aace067bd081aeefc07556811
Original-Reviewed-on: https://chromium-review.googlesource.com/290302
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Change-Id: Ib599acc85b25626a6aed1fa9884ecd8e169bb860
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295532
Reviewed-on: http://review.coreboot.org/11584
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Daisuke Nojiri
2015-08-03 10:51:38 -07:00
committed by Patrick Georgi
parent 3f66398ef8
commit 09ad206cda
3 changed files with 295 additions and 3 deletions
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36
payloads/libpayload/drivers/video/bitmap.h Normal file
View File

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#ifndef __BITMAP_H__
#define __BITMAP_H__
#include <stdint.h>
struct bitmap_file_header {
uint8_t signature[2];
uint32_t file_size;
uint16_t reserved[2];
uint32_t bitmap_offset;
} __attribute__ ((__packed__));
/* Bitmap version 3 */
struct bitmap_header_v3 {
uint32_t header_size;
int32_t width;
int32_t height;
uint16_t planes;
uint16_t bits_per_pixel;
uint32_t compression;
uint32_t size;
int32_t h_res;
int32_t v_res;
uint32_t colors_used;
uint32_t colors_important;
} __attribute__ ((__packed__));
struct bitmap_palette_element_v3 {
uint8_t blue;
uint8_t green;
uint8_t red;
uint8_t reserved;
} __attribute__ ((__packed__));
#endif /* __BITMAP_H__ */