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authorMark Kettenis <kettenis@openbsd.org>2021-09-25 22:47:39 +0200
committerAnatolij Gustschin <agust@denx.de>2021-10-09 18:50:31 +0200
commit79f9defeba7069fe3501086be54ba1aa3a821e07 (patch)
tree0b2a9515ab3040e633dbcd06376cb2db798a2d7b /lib/efi_loader/efi_gop.c
parent2c2653d6f98eef645420f170869181710955a166 (diff)
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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/efi_loader/efi_gop.c')
-rw-r--r--lib/efi_loader/efi_gop.c47
1 files changed, 46 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index 5033a2c9e3..7683a34a96 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,