diff options
| author | Mark Kettenis <kettenis@openbsd.org> | 2021-09-25 22:47:39 +0200 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2021-10-09 18:50:31 +0200 |
| commit | 79f9defeba7069fe3501086be54ba1aa3a821e07 (patch) | |
| tree | 0b2a9515ab3040e633dbcd06376cb2db798a2d7b /lib | |
| parent | 2c2653d6f98eef645420f170869181710955a166 (diff) | |
efi_loader: GOP: Fix 30bpp block transfer support
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_gop.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c index 5033a2c9e30..7683a34a965 100644 --- a/lib/efi_loader/efi_gop.c +++ b/lib/efi_loader/efi_gop.c @@ -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, |