+2006-03-31 Vesa Jaaskelainen <chaac@nic.fi>
+
+ * DISTLIST: Added include/grub/i386/pc/vbeblit.h,
+ include/grub/i386/pc/vbefill.h, video/i386/pc/vbeblit.c,
+ video/i386/pc/vbefill.c.
+
+ * conf/i386-pc.rmk (vbe_mod_SOURCES): Added video/i386/pc/vbeblit.c,
+ video/i386/pc/vbefill.c.
+
+ * include/grub/video.h (grub_video_blit_format): New enum.
+ (grub_video_mode_info): Added new member blit_format.
+ (grub_video_get_blit_format): New function prototype.
+
+ * include/grub/i386/pc/vbe.h (grub_video_vbe_get_video_ptr): New
+ function prototype.
+ (grub_video_vbe_map_rgb): Likewise.
+ (grub_video_vbe_unmap_color): Likewise.
+
+ * include/grub/i386/pc/vbeblit.h: New file.
+
+ * include/grub/i386/pc/vbefill.h: New file.
+
+ * video/video.c (grub_video_get_blit_format): New function.
+ (grub_video_vbe_get_video_ptr): Re-declared as non-static.
+ (grub_video_vbe_map_rgb): Likewise.
+ (grub_video_vbe_unmap_color): Likewise.
+
+ * video/i386/pc/vbe.c (grub_video_vbe_fill_rect): Changed to use more
+ optimized fills.
+ (grub_video_vbe_blit_render_target): Changed to use more optimized
+ blits.
+ (grub_video_vbe_setup): Added detection for optimized settings.
+ (grub_video_vbe_create_render_target): Likewise.
+
+ * video/i386/pc/vbeblit.c: New file.
+
+ * video/i386/pc/vbefill.c: New file.
+
2006-03-30 Vesa Jaaskelainen <chaac@nic.fi>
* font/manager.c (grub_font_get_glyph): Removed font fixup from
include/grub/i386/pc/serial.h
include/grub/i386/pc/time.h
include/grub/i386/pc/vbe.h
+include/grub/i386/pc/vbeblit.h
+include/grub/i386/pc/vbefill.h
include/grub/i386/pc/vga.h
include/grub/i386/pc/util/biosdisk.h
include/grub/ieee1275/ieee1275.h
util/powerpc/ieee1275/misc.c
video/video.c
video/i386/pc/vbe.c
+video/i386/pc/vbeblit.c
+video/i386/pc/vbefill.c
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For vbe.mod.
-vbe_mod_SOURCES = video/i386/pc/vbe.c
-CLEANFILES += vbe.mod mod-vbe.o mod-vbe.c pre-vbe.o vbe_mod-video_i386_pc_vbe.o def-vbe.lst und-vbe.lst
-MOSTLYCLEANFILES += vbe_mod-video_i386_pc_vbe.d
+vbe_mod_SOURCES = video/i386/pc/vbe.c video/i386/pc/vbeblit.c \
+ video/i386/pc/vbefill.c
+CLEANFILES += vbe.mod mod-vbe.o mod-vbe.c pre-vbe.o vbe_mod-video_i386_pc_vbe.o vbe_mod-video_i386_pc_vbeblit.o vbe_mod-video_i386_pc_vbefill.o def-vbe.lst und-vbe.lst
+MOSTLYCLEANFILES += vbe_mod-video_i386_pc_vbe.d vbe_mod-video_i386_pc_vbeblit.d vbe_mod-video_i386_pc_vbefill.d
DEFSYMFILES += def-vbe.lst
UNDSYMFILES += und-vbe.lst
$(LD) $(vbe_mod_LDFLAGS) $(LDFLAGS) -r -d -o $@ $^
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
-pre-vbe.o: vbe_mod-video_i386_pc_vbe.o
+pre-vbe.o: vbe_mod-video_i386_pc_vbe.o vbe_mod-video_i386_pc_vbeblit.o vbe_mod-video_i386_pc_vbefill.o
-rm -f $@
$(LD) $(vbe_mod_LDFLAGS) -r -d -o $@ $^
set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh vbe > $@ || (rm -f $@; exit 1)
+vbe_mod-video_i386_pc_vbeblit.o: video/i386/pc/vbeblit.c
+ $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -c -o $@ $<
+
+vbe_mod-video_i386_pc_vbeblit.d: video/i386/pc/vbeblit.c
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -M $< | sed 's,vbeblit\.o[ :]*,vbe_mod-video_i386_pc_vbeblit.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
+
+-include vbe_mod-video_i386_pc_vbeblit.d
+
+CLEANFILES += cmd-vbe_mod-video_i386_pc_vbeblit.lst fs-vbe_mod-video_i386_pc_vbeblit.lst
+COMMANDFILES += cmd-vbe_mod-video_i386_pc_vbeblit.lst
+FSFILES += fs-vbe_mod-video_i386_pc_vbeblit.lst
+
+cmd-vbe_mod-video_i386_pc_vbeblit.lst: video/i386/pc/vbeblit.c gencmdlist.sh
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh vbe > $@ || (rm -f $@; exit 1)
+
+fs-vbe_mod-video_i386_pc_vbeblit.lst: video/i386/pc/vbeblit.c genfslist.sh
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh vbe > $@ || (rm -f $@; exit 1)
+
+
+vbe_mod-video_i386_pc_vbefill.o: video/i386/pc/vbefill.c
+ $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -c -o $@ $<
+
+vbe_mod-video_i386_pc_vbefill.d: video/i386/pc/vbefill.c
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -M $< | sed 's,vbefill\.o[ :]*,vbe_mod-video_i386_pc_vbefill.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
+
+-include vbe_mod-video_i386_pc_vbefill.d
+
+CLEANFILES += cmd-vbe_mod-video_i386_pc_vbefill.lst fs-vbe_mod-video_i386_pc_vbefill.lst
+COMMANDFILES += cmd-vbe_mod-video_i386_pc_vbefill.lst
+FSFILES += fs-vbe_mod-video_i386_pc_vbefill.lst
+
+cmd-vbe_mod-video_i386_pc_vbefill.lst: video/i386/pc/vbefill.c gencmdlist.sh
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh vbe > $@ || (rm -f $@; exit 1)
+
+fs-vbe_mod-video_i386_pc_vbefill.lst: video/i386/pc/vbefill.c genfslist.sh
+ set -e; $(CC) -Ivideo/i386/pc -I$(srcdir)/video/i386/pc $(CPPFLAGS) $(CFLAGS) $(vbe_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh vbe > $@ || (rm -f $@; exit 1)
+
+
vbe_mod_CFLAGS = $(COMMON_CFLAGS)
vbe_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For vbe.mod.
-vbe_mod_SOURCES = video/i386/pc/vbe.c
+vbe_mod_SOURCES = video/i386/pc/vbe.c video/i386/pc/vbeblit.c \
+ video/i386/pc/vbefill.c
vbe_mod_CFLAGS = $(COMMON_CFLAGS)
vbe_mod_LDFLAGS = $(COMMON_LDFLAGS)
/*
* GRUB -- GRand Unified Bootloader
- * Copyright (C) 2005 Free Software Foundation, Inc.
+ * Copyright (C) 2005,2006 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <grub/symbol.h>
#include <grub/types.h>
#include <grub/err.h>
+#include <grub/video.h>
/* Default video mode to be used. */
#define GRUB_VBE_DEFAULT_VIDEO_MODE 0x101
grub_err_t grub_vbe_get_video_mode_info (grub_uint32_t mode,
struct grub_vbe_mode_info_block *mode_info);
+/* VBE module internal prototypes (should not be used from elsewhere). */
+grub_uint8_t * grub_video_vbe_get_video_ptr (struct grub_video_render_target *source,
+ grub_uint32_t x,
+ grub_uint32_t y);
+
+grub_video_color_t grub_video_vbe_map_rgb (grub_uint8_t red,
+ grub_uint8_t green,
+ grub_uint8_t blue);
+
+void grub_video_vbe_unmap_color (struct grub_video_render_target * source,
+ grub_video_color_t color, grub_uint8_t *red,
+ grub_uint8_t *green, grub_uint8_t *blue,
+ grub_uint8_t *alpha);
+
#endif /* ! GRUB_VBE_MACHINE_HEADER */
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2006 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_VBEBLIT_MACHINE_HEADER
+#define GRUB_VBEBLIT_MACHINE_HEADER 1
+
+void
+grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+void
+grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+void
+grub_video_i386_vbeblit_index_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+
+void
+grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+void
+grub_video_i386_vbeblit_R8G8B8_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+void
+grub_video_i386_vbeblit_index_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+void
+grub_video_i386_vbeblit_index_index (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y);
+
+#endif /* ! GRUB_VBEBLIT_MACHINE_HEADER */
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2006 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_VBEFILL_MACHINE_HEADER
+#define GRUB_VBEFILL_MACHINE_HEADER 1
+
+#include <grub/video.h>
+
+void
+grub_video_i386_vbefill_R8G8B8A8 (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height);
+
+void
+grub_video_i386_vbefill_R8G8B8 (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height);
+
+void
+grub_video_i386_vbefill_index (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height);
+
+#endif /* ! GRUB_VBEFILL_MACHINE_HEADER */
#define GRUB_VIDEO_RENDER_TARGET_FRONT_BUFFER ((struct grub_video_render_target *) 0)
#define GRUB_VIDEO_RENDER_TARGET_BACK_BUFFER ((struct grub_video_render_target *) 1)
+/* Defined blitting formats. */
+enum grub_video_blit_format
+ {
+ /* Follow exactly field & mask information. */
+ GRUB_VIDEO_BLIT_FORMAT_RGBA,
+ /* Make optimization assumption. */
+ GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8,
+ /* Follow exactly field & mask information. */
+ GRUB_VIDEO_BLIT_FORMAT_RGB,
+ /* Make optimization assumption. */
+ GRUB_VIDEO_BLIT_FORMAT_R8G8B8,
+ /* When needed, decode color or just use value as is. */
+ GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR
+ };
+
struct grub_video_mode_info
{
/* Width of the screen. */
/* In index color mode, number of colors. In RGB mode this is 256. */
unsigned int number_of_colors;
+ /* Optimization hint how binary data is coded. */
+ enum grub_video_blit_format blit_format;
+
/* How many bits are reserved for red color. */
unsigned int red_mask_size;
grub_err_t EXPORT_FUNC(grub_video_get_info) (struct grub_video_mode_info *mode_info);
+enum grub_video_blit_format EXPORT_FUNC(grub_video_get_blit_format) (struct grub_video_mode_info *mode_info);
+
grub_err_t EXPORT_FUNC(grub_video_set_palette) (unsigned int start,
unsigned int count,
struct grub_video_palette_data *palette_data);
#include <grub/err.h>
#include <grub/machine/memory.h>
#include <grub/machine/vbe.h>
+#include <grub/machine/vbeblit.h>
+#include <grub/machine/vbefill.h>
#include <grub/types.h>
#include <grub/dl.h>
#include <grub/misc.h>
static grub_uint32_t mode_in_use = 0x55aa;
static grub_uint16_t *mode_list;
-static grub_video_color_t
-grub_video_vbe_map_rgb (grub_uint8_t red, grub_uint8_t green, grub_uint8_t blue);
-
static grub_video_color_t
grub_video_vbe_map_rgba (grub_uint8_t red, grub_uint8_t green,
grub_uint8_t blue, grub_uint8_t alpha);
-static void
-grub_video_vbe_unmap_color (struct grub_video_render_target * source,
- grub_video_color_t color,
- grub_uint8_t *red, grub_uint8_t *green,
- grub_uint8_t *blue, grub_uint8_t *alpha);
-
-
static void *
real2pm (grub_vbe_farptr_t ptr)
{
return GRUB_ERR_NONE;
}
-static grub_uint8_t *
+grub_uint8_t *
grub_video_vbe_get_video_ptr (struct grub_video_render_target *source,
grub_uint32_t x, grub_uint32_t y)
{
render_target->mode_info.blue_field_pos = active_mode_info.blue_field_position;
render_target->mode_info.reserved_mask_size = active_mode_info.rsvd_mask_size;
render_target->mode_info.reserved_field_pos = active_mode_info.rsvd_field_position;
+
+ render_target->mode_info.blit_format = grub_video_get_blit_format (&render_target->mode_info);
/* Reset viewport to match new mode. */
render_target->viewport.x = 0;
return 0;
}
-static grub_video_color_t
+grub_video_color_t
grub_video_vbe_map_rgb (grub_uint8_t red, grub_uint8_t green,
grub_uint8_t blue)
{
}
}
-static void
+void
grub_video_vbe_unmap_color (struct grub_video_render_target * source,
grub_video_color_t color,
grub_uint8_t *red, grub_uint8_t *green,
x += render_target->viewport.x;
y += render_target->viewport.y;
- /* Fill area. */
+ /* Try to figure out more optimized version. */
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
+ {
+ grub_video_i386_vbefill_R8G8B8A8 (render_target, color, x, y,
+ width, height);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
+ {
+ grub_video_i386_vbefill_R8G8B8 (render_target, color, x, y,
+ width, height);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
+ {
+ grub_video_i386_vbefill_index (render_target, color, x, y,
+ width, height);
+ return GRUB_ERR_NONE;
+ }
+
+ /* Use backup method to fill area. */
for (j = 0; j < height; j++)
for (i = 0; i < width; i++)
grub_video_vbe_draw_pixel (x+i, y+j, color);
x += render_target->viewport.x;
y += render_target->viewport.y;
- /* Render. */
+ /* Try to figure out more optimized version. */
+ if (source->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
+ {
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
+ {
+ grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
+ {
+ grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
+ {
+ grub_video_i386_vbeblit_index_R8G8B8A8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+ }
+
+ if (source->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
+ {
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
+ {
+ grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
+ {
+ grub_video_i386_vbeblit_R8G8B8_R8G8B8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
+ {
+ grub_video_i386_vbeblit_index_R8G8B8 (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+ }
+
+ if (source->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
+ {
+ if (render_target->mode_info.blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
+ {
+ grub_video_i386_vbeblit_index_index (render_target, source,
+ x, y, width, height,
+ offset_x, offset_y);
+ return GRUB_ERR_NONE;
+ }
+ }
+
+ /* Use backup method to render. */
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
target->mode_info.reserved_mask_size = 8;
target->mode_info.reserved_field_pos = 24;
+ target->mode_info.blit_format = grub_video_get_blit_format (&target->mode_info);
+
/* Calculate size needed for the data. */
size = (width * target->mode_info.bytes_per_pixel) * height;
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2006 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <grub/err.h>
+#include <grub/machine/memory.h>
+#include <grub/machine/vbe.h>
+#include <grub/machine/vbeblit.h>
+#include <grub/types.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/font.h>
+#include <grub/mm.h>
+#include <grub/video.h>
+
+void
+grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ grub_uint32_t color;
+ int i;
+ int j;
+ grub_uint32_t *srcptr;
+ grub_uint32_t *dstptr;
+ unsigned int sr;
+ unsigned int sg;
+ unsigned int sb;
+ unsigned int a;
+ unsigned int dr;
+ unsigned int dg;
+ unsigned int db;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ color = *srcptr++;
+
+ a = color >> 24;
+
+ if (a == 0)
+ {
+ dstptr++;
+ continue;
+ }
+
+ if (a == 255)
+ {
+ *dstptr++ = color;
+ continue;
+ }
+
+ sr = (color >> 0) & 0xFF;
+ sg = (color >> 8) & 0xFF;
+ sb = (color >> 16) & 0xFF;
+
+ color = *dstptr;
+
+ dr = (color >> 0) & 0xFF;
+ dg = (color >> 8) & 0xFF;
+ db = (color >> 16) & 0xFF;
+
+ dr = (dr * (255 - a) + sr * a) / 255;
+ dg = (dg * (255 - a) + sg * a) / 255;
+ db = (db * (255 - a) + sb * a) / 255;
+
+ color = (a << 24) | (db << 16) | (dg << 8) | dr;
+
+ *dstptr++ = color;
+ }
+ }
+}
+
+void
+grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ grub_uint32_t color;
+ int i;
+ int j;
+ grub_uint32_t *srcptr;
+ grub_uint8_t *dstptr;
+ unsigned int sr;
+ unsigned int sg;
+ unsigned int sb;
+ unsigned int a;
+ unsigned int dr;
+ unsigned int dg;
+ unsigned int db;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ color = *srcptr++;
+
+ a = color >> 24;
+
+ if (a == 0)
+ {
+ dstptr += 3;
+ continue;
+ }
+
+ sr = (color >> 0) & 0xFF;
+ sg = (color >> 8) & 0xFF;
+ sb = (color >> 16) & 0xFF;
+
+ if (a == 255)
+ {
+ *dstptr++ = sr;
+ *dstptr++ = sg;
+ *dstptr++ = sb;
+
+ continue;
+ }
+
+ dr = dstptr[0];
+ dg = dstptr[1];
+ db = dstptr[2];
+
+ dr = (dr * (255 - a) + sr * a) / 255;
+ dg = (dg * (255 - a) + sg * a) / 255;
+ db = (db * (255 - a) + sb * a) / 255;
+
+ *dstptr++ = dr;
+ *dstptr++ = dg;
+ *dstptr++ = db;
+ }
+ }
+}
+
+void
+grub_video_i386_vbeblit_index_R8G8B8A8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ grub_uint32_t color;
+ int i;
+ int j;
+ grub_uint32_t *srcptr;
+ grub_uint8_t *dstptr;
+ unsigned int sr;
+ unsigned int sg;
+ unsigned int sb;
+ unsigned int a;
+ unsigned char dr;
+ unsigned char dg;
+ unsigned char db;
+ unsigned char da;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ color = *srcptr++;
+
+ a = color >> 24;
+
+ if (a == 0)
+ {
+ dstptr++;
+ continue;
+ }
+
+ sr = (color >> 0) & 0xFF;
+ sg = (color >> 8) & 0xFF;
+ sb = (color >> 16) & 0xFF;
+
+ if (a == 255)
+ {
+ color = grub_video_vbe_map_rgb(sr, sg, sb);
+ *dstptr++ = color & 0xFF;
+ continue;
+ }
+
+ grub_video_vbe_unmap_color (dst, *dstptr, &dr, &dg, &db, &da);
+
+ dr = (dr * (255 - a) + sr * a) / 255;
+ dg = (dg * (255 - a) + sg * a) / 255;
+ db = (db * (255 - a) + sb * a) / 255;
+
+ color = grub_video_vbe_map_rgb(dr, dg, db);
+
+ *dstptr++ = color & 0xFF;
+ }
+ }
+}
+
+void
+grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ grub_uint32_t color;
+ int i;
+ int j;
+ grub_uint8_t *srcptr;
+ grub_uint32_t *dstptr;
+ unsigned int sr;
+ unsigned int sg;
+ unsigned int sb;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ sr = *srcptr++;
+ sg = *srcptr++;
+ sb = *srcptr++;
+
+ color = 0xFF000000 | (sb << 16) | (sg << 8) | sr;
+
+ *dstptr++ = color;
+ }
+ }
+}
+
+
+void
+grub_video_i386_vbeblit_R8G8B8_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ int i;
+ int j;
+ grub_uint8_t *srcptr;
+ grub_uint8_t *dstptr;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (src,
+ offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst,
+ x,
+ y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ *dstptr ++ = *srcptr++;
+ *dstptr ++ = *srcptr++;
+ *dstptr ++ = *srcptr++;
+ }
+ }
+}
+
+void
+grub_video_i386_vbeblit_index_R8G8B8 (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ grub_uint32_t color;
+ int i;
+ int j;
+ grub_uint8_t *srcptr;
+ grub_uint8_t *dstptr;
+ unsigned int sr;
+ unsigned int sg;
+ unsigned int sb;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ sr = *srcptr++;
+ sg = *srcptr++;
+ sb = *srcptr++;
+
+ color = grub_video_vbe_map_rgb(sr, sg, sb);
+
+ *dstptr++ = color & 0xFF;
+ }
+ }
+}
+
+
+void
+grub_video_i386_vbeblit_index_index (struct grub_video_render_target *dst,
+ struct grub_video_render_target *src,
+ int x, int y, int width, int height,
+ int offset_x, int offset_y)
+{
+ int i;
+ int j;
+ grub_uint8_t *srcptr;
+ grub_uint8_t *dstptr;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ srcptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (src, offset_x,
+ j + offset_y);
+
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ *dstptr++ = *srcptr++;
+ }
+}
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2006 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <grub/err.h>
+#include <grub/machine/memory.h>
+#include <grub/machine/vbe.h>
+#include <grub/machine/vbefill.h>
+#include <grub/types.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/font.h>
+#include <grub/mm.h>
+#include <grub/video.h>
+
+void
+grub_video_i386_vbefill_R8G8B8A8 (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height)
+{
+ int i;
+ int j;
+ grub_uint32_t *dstptr;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ dstptr = (grub_uint32_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ *dstptr++ = color;
+ }
+}
+
+void
+grub_video_i386_vbefill_R8G8B8 (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height)
+{
+ int i;
+ int j;
+ grub_uint8_t *dstptr;
+ grub_uint8_t fillr = (grub_uint8_t)((color >> 0) & 0xFF);
+ grub_uint8_t fillg = (grub_uint8_t)((color >> 8) & 0xFF);
+ grub_uint8_t fillb = (grub_uint8_t)((color >> 16) & 0xFF);
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ {
+ *dstptr++ = fillr;
+ *dstptr++ = fillg;
+ *dstptr++ = fillb;
+ }
+ }
+}
+
+
+void
+grub_video_i386_vbefill_index (struct grub_video_render_target *dst,
+ grub_video_color_t color, int x, int y,
+ int width, int height)
+{
+ int i;
+ int j;
+ grub_uint8_t *dstptr;
+ grub_uint8_t fill = (grub_uint8_t)color & 0xFF;
+
+ /* We do not need to worry about data being out of bounds
+ as we assume that everything has been checked before. */
+
+ for (j = 0; j < height; j++)
+ {
+ dstptr = (grub_uint8_t *)grub_video_vbe_get_video_ptr (dst, x, y + j);
+
+ for (i = 0; i < width; i++)
+ *dstptr++ = fill;
+ }
+}
return grub_video_adapter_active->get_info (mode_info);
}
+enum grub_video_blit_format
+grub_video_get_blit_format (struct grub_video_mode_info *mode_info)
+{
+ /* Check if we have any knwon 32 bit modes. */
+ if (mode_info->bpp == 32)
+ {
+ if ((mode_info->red_mask_size == 8)
+ && (mode_info->red_field_pos == 0)
+ && (mode_info->green_mask_size == 8)
+ && (mode_info->green_field_pos == 8)
+ && (mode_info->blue_mask_size == 8)
+ && (mode_info->blue_field_pos == 16)
+ && (mode_info->reserved_mask_size == 8)
+ && (mode_info->reserved_field_pos == 24))
+ {
+ return GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8;
+ }
+ }
+
+ /* Check if we have any known 24 bit modes. */
+ if (mode_info->bpp == 24)
+ {
+ if ((mode_info->red_mask_size == 8)
+ && (mode_info->red_field_pos == 0)
+ && (mode_info->green_mask_size == 8)
+ && (mode_info->green_field_pos == 8)
+ && (mode_info->blue_mask_size == 8)
+ && (mode_info->blue_field_pos == 16))
+ {
+ return GRUB_VIDEO_BLIT_FORMAT_R8G8B8;
+ }
+ }
+
+ /* If there are more than 8 bits per color, assume RGB(A) mode. */
+ if (mode_info->bpp > 8)
+ {
+ if (mode_info->reserved_mask_size > 0)
+ {
+ return GRUB_VIDEO_BLIT_FORMAT_RGBA;
+ }
+ return GRUB_VIDEO_BLIT_FORMAT_RGB;
+ }
+
+ /* Assume as indexcolor mode. */
+ return GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR;
+}
+
grub_err_t
grub_video_set_palette (unsigned int start, unsigned int count,
struct grub_video_palette_data *palette_data)