diff options
Diffstat (limited to 'payloads/libpayload/drivers/video')
| -rw-r--r-- | payloads/libpayload/drivers/video/graphics.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/payloads/libpayload/drivers/video/graphics.c b/payloads/libpayload/drivers/video/graphics.c index d4eaa09997..49563267a9 100644 --- a/payloads/libpayload/drivers/video/graphics.c +++ b/payloads/libpayload/drivers/video/graphics.c @@ -106,7 +106,8 @@ static int within_box(const struct vector *v, const struct rect *bound) return -1; } -static inline uint32_t calculate_color(const struct rgb_color *rgb) +static inline uint32_t calculate_color(const struct rgb_color *rgb, + uint8_t invert) { uint32_t color = 0; color |= (rgb->red >> (8 - fbinfo->red_mask_size)) @@ -115,6 +116,8 @@ static inline uint32_t calculate_color(const struct rgb_color *rgb) << fbinfo->green_mask_pos; color |= (rgb->blue >> (8 - fbinfo->blue_mask_size)) << fbinfo->blue_mask_pos; + if (invert) + color ^= 0xffffffff; return color; } @@ -180,7 +183,7 @@ int draw_box(const struct rect *box, const struct rgb_color *rgb) struct vector top_left; struct vector size; struct vector p, t; - const uint32_t color = calculate_color(rgb); + const uint32_t color = calculate_color(rgb, 0); const struct scale top_left_s = { .x = { .n = box->offset.x, .d = CANVAS_SCALE, }, .y = { .n = box->offset.y, .d = CANVAS_SCALE, } @@ -230,7 +233,7 @@ int clear_screen(const struct rgb_color *rgb) return CBGFX_ERROR_INIT; struct vector p; - uint32_t color = calculate_color(rgb); + uint32_t color = calculate_color(rgb, 0); const int bpp = fbinfo->bits_per_pixel; const int bpl = fbinfo->bytes_per_line; @@ -269,7 +272,8 @@ static int draw_bitmap_v3(const struct vector *top_left, const struct vector *dim_org, const struct bitmap_header_v3 *header, const struct bitmap_palette_element_v3 *pal, - const uint8_t *pixel_array) + const uint8_t *pixel_array, + uint8_t invert) { const int bpp = header->bits_per_pixel; int32_t dir; @@ -361,7 +365,7 @@ static int draw_bitmap_v3(const struct vector *top_left, pal[c01].blue, pal[c11].blue, &tx, &ty), }; - set_pixel(&p, calculate_color(&rgb)); + set_pixel(&p, calculate_color(&rgb, invert)); } } @@ -552,8 +556,8 @@ static int check_boundary(const struct vector *top_left, } int draw_bitmap(const void *bitmap, size_t size, - const struct scale *pos_rel, uint8_t pivot, - const struct scale *dim_rel) + const struct scale *pos_rel, const struct scale *dim_rel, + uint32_t flags) { struct bitmap_header_v3 header; const struct bitmap_palette_element_v3 *palette; @@ -561,6 +565,8 @@ int draw_bitmap(const void *bitmap, size_t size, struct vector top_left, dim, dim_org; struct scale scale; int rv; + const uint8_t pivot = flags & PIVOT_MASK; + const uint8_t invert = (flags & INVERT_COLORS) >> INVERT_SHIFT; if (cbgfx_init()) return CBGFX_ERROR_INIT; @@ -594,7 +600,7 @@ int draw_bitmap(const void *bitmap, size_t size, } return draw_bitmap_v3(&top_left, &scale, &dim, &dim_org, - &header, palette, pixel_array); + &header, palette, pixel_array, invert); } int draw_bitmap_direct(const void *bitmap, size_t size, @@ -629,7 +635,7 @@ int draw_bitmap_direct(const void *bitmap, size_t size, } return draw_bitmap_v3(top_left, &scale, &dim, &dim, - &header, palette, pixel_array); + &header, palette, pixel_array, 0); } int get_bitmap_dimension(const void *bitmap, size_t sz, struct scale *dim_rel) |