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efi_loader: GOP: Fix 30bpp block transfer support

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Convert pixel values when necessary like we do for 16bpp
framebuffers.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Mark Kettenis 2021-09-25 22:47:39 +02:00 committed by Anatolij Gustschin
parent 2c2653d6f9
commit 79f9defeba
1 changed files with 46 additions and 1 deletions
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47
lib/efi_loader/efi_gop.c
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@ -64,6 +64,27 @@ out:
return EFI_EXIT(ret);
}
static __always_inline struct efi_gop_pixel efi_vid30_to_blt_col(u32 vid)
{
struct efi_gop_pixel blt = {
.reserved = 0,
};
blt.blue = (vid & 0x3ff) >> 2;
vid >>= 10;
blt.green = (vid & 0x3ff) >> 2;
vid >>= 10;
blt.red = (vid & 0x3ff) >> 2;
return blt;
}
static __always_inline u32 efi_blt_col_to_vid30(struct efi_gop_pixel *blt)
{
return (u32)(blt->red << 2) << 20 |
(u32)(blt->green << 2) << 10 |
(u32)(blt->blue << 2);
}
static __always_inline struct efi_gop_pixel efi_vid16_to_blt_col(u16 vid)
{
struct efi_gop_pixel blt = {
@ -191,6 +212,9 @@ static __always_inline efi_status_t gop_blt_int(struct efi_gop *this,
if (vid_bpp == 32)
pix = *(struct efi_gop_pixel *)&fb32[
slineoff + j + sx];
else if (vid_bpp == 30)
pix = efi_vid30_to_blt_col(fb32[
slineoff + j + sx]);
else
pix = efi_vid16_to_blt_col(fb16[
slineoff + j + sx]);
@ -207,6 +231,9 @@ static __always_inline efi_status_t gop_blt_int(struct efi_gop *this,
case EFI_BLT_VIDEO_TO_VIDEO:
if (vid_bpp == 32)
fb32[dlineoff + j + dx] = *(u32 *)&pix;
else if (vid_bpp == 30)
fb32[dlineoff + j + dx] =
efi_blt_col_to_vid30(&pix);
else
fb16[dlineoff + j + dx] =
efi_blt_col_to_vid16(&pix);
@ -231,7 +258,10 @@ static efi_uintn_t gop_get_bpp(struct efi_gop *this)
#else
case LCD_COLOR32:
#endif
vid_bpp = 32;
if (gopobj->info.pixel_format == EFI_GOT_BGRA8)
vid_bpp = 32;
else
vid_bpp = 30;
break;
#ifdef CONFIG_DM_VIDEO
case VIDEO_BPP16:
@ -277,6 +307,17 @@ static efi_status_t gop_blt_buf_to_vid16(struct efi_gop *this,
dy, width, height, delta, 16);
}
static efi_status_t gop_blt_buf_to_vid30(struct efi_gop *this,
struct efi_gop_pixel *buffer,
u32 foo, efi_uintn_t sx,
efi_uintn_t sy, efi_uintn_t dx,
efi_uintn_t dy, efi_uintn_t width,
efi_uintn_t height, efi_uintn_t delta)
{
return gop_blt_int(this, buffer, EFI_BLT_BUFFER_TO_VIDEO, sx, sy, dx,
dy, width, height, delta, 30);
}
static efi_status_t gop_blt_buf_to_vid32(struct efi_gop *this,
struct efi_gop_pixel *buffer,
u32 foo, efi_uintn_t sx,
@ -394,6 +435,10 @@ efi_status_t EFIAPI gop_blt(struct efi_gop *this, struct efi_gop_pixel *buffer,
ret = gop_blt_buf_to_vid32(this, buffer, operation, sx,
sy, dx, dy, width, height,
delta);
else if (vid_bpp == 30)
ret = gop_blt_buf_to_vid30(this, buffer, operation, sx,
sy, dx, dy, width, height,
delta);
else
ret = gop_blt_buf_to_vid16(this, buffer, operation, sx,
sy, dx, dy, width, height,