ad2a06edba
* include/grub/bitmap.h: New file. * include/grub/i386/pc/vbeutil.h: Likewise. * video/bitmap.c: Likewise. * video/readers/tga.c: Likewise. * video/i386/pc/vbeutil.c: Likewise. * commands/videotest.c: Code cleanup and updated to reflect to new video API. * term/gfxterm.c: Likewise. * video/video.c: Likewise. * conf/i386-pc.rmk (pkgdata_MODULES): Added tga.mod and bitmap.mod. (vbe_mod_SOURCES): Added video/i386/pc/vbeutil.c. (bitmap_mod_SOURCES): New entry. (bitmap_mod_CFLAGS): Likewise. (bitmap_mod_LDFLAGS): Likewise. (tga_mod_SOURCES): Likewise. (tga_mod_CFLAGS): Likewise. (tga_mod_LDFLAGS): Likewise. * include/grub/video.h (grub_video_blit_operators): New enum type. (grub_video_render_target): Changed as forward declaration and moved actual definition to be video driver specific. (grub_video_adapter.blit_bitmap): Added blitting operator. (grub_video_adapter.blit_render_target): Likewise. (grub_video_blit_bitmap): Likewise. (grub_video_blit_render_target): Likewise. * include/grub/i386/pc/vbe.h (grub_video_render_target): Added driver specific render target definition. (grub_video_vbe_map_rgba): Added driver internal helper. (grub_video_vbe_unmap_color): Updated to use grub_video_i386_vbeblit_info. (grub_video_vbe_get_video_ptr): Likewise. * include/grub/i386/pc/vbeblit.h (grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8): Updated to use grub_video_i386_vbeblit_info. (grub_video_i386_vbeblit_R8G8B8_R8G8B8A8): Likewise. (grub_video_i386_vbeblit_index_R8G8B8A8): Likewise. (grub_video_i386_vbeblit_R8G8B8A8_R8G8B8): Likewise. (grub_video_i386_vbeblit_R8G8B8_R8G8B8): Likewise. (grub_video_i386_vbeblit_index_R8G8B8): Likewise. (grub_video_i386_vbeblit_index_index): Likewise. (grub_video_i386_vbeblit_R8G8B8X8_R8G8B8X8): New blitter function. (grub_video_i386_vbeblit_R8G8B8_R8G8B8X8): Likewise. (grub_video_i386_vbeblit_index_R8G8B8X8): Likewise. (grub_video_i386_vbeblit_blend): Added generic blitter for blend operator. (grub_video_i386_vbeblit_replace): Added generic blitter for replace operator. * video/i386/pc/vbeblit.c: Updated to reflect changes on include/grub/i386/pc/vbeblit.h. * include/grub/i386/pc/vbefill.h (grub_video_i386_vbefill_R8G8B8A8): Updated to use grub_video_i386_vbeblit_info. (grub_video_i386_vbefill_R8G8B8): Likewise. (grub_video_i386_vbefill_index): Likewise. (grub_video_i386_vbefill): Added generic filler. * video/i386/pc/vbefill.c: Updated to reflect changes on include/grub/i386/pc/vbefill.h. * video/i386/pc/vbe.c (grub_video_vbe_get_video_ptr): Updated to use grub_video_i386_vbeblit_info. (grub_video_vbe_unmap_color): Likewise. (grub_video_vbe_blit_glyph): Likewise. (grub_video_vbe_scroll): Likewise. (grub_video_vbe_draw_pixel): Removed function. (grub_video_vbe_get_pixel): Likewise. (grub_video_vbe_fill_rect): Moved all blitters to vbefill.c and updated code to use it. (common_blitter): Added common blitter for render target and bitmap. (grub_video_vbe_blit_bitmap): Updated to use common_blitter. (grub_video_vbe_blit_render_target): Likewise.
551 lines
16 KiB
C
551 lines
16 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* SPECIAL NOTES!
|
|
|
|
Please note following when reading the code below:
|
|
|
|
- In this driver we assume that every memory can be accessed by same memory
|
|
bus. If there are different address spaces do not use this code as a base
|
|
code for other archs.
|
|
|
|
- Every function in this code assumes that bounds checking has been done in
|
|
previous phase and they are opted out in here. */
|
|
|
|
#include <grub/machine/vbe.h>
|
|
#include <grub/machine/vbeblit.h>
|
|
#include <grub/machine/vbeutil.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/types.h>
|
|
#include <grub/video.h>
|
|
|
|
void
|
|
grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint32_t *)get_data_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_R8G8B8X8_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int j;
|
|
grub_uint32_t *srcptr;
|
|
grub_uint32_t *dstptr;
|
|
int pitch;
|
|
|
|
pitch = src->mode_info->bytes_per_pixel;
|
|
|
|
/* 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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint32_t *)get_data_ptr (dst, x, y + j);
|
|
|
|
grub_memmove (dstptr, srcptr, width * pitch);
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_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_R8G8B8_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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;
|
|
|
|
/* 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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
|
|
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
color = *srcptr++;
|
|
|
|
sr = (color >> 0) & 0xFF;
|
|
sg = (color >> 8) & 0xFF;
|
|
sb = (color >> 16) & 0xFF;
|
|
|
|
*dstptr++ = sr;
|
|
*dstptr++ = sg;
|
|
*dstptr++ = sb;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_index_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_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_index_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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;
|
|
|
|
/* 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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
|
|
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
color = *srcptr++;
|
|
|
|
sr = (color >> 0) & 0xFF;
|
|
sg = (color >> 8) & 0xFF;
|
|
sb = (color >> 16) & 0xFF;
|
|
|
|
color = grub_video_vbe_map_rgb(sr, sg, sb);
|
|
*dstptr++ = color & 0xFF;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint32_t *)get_data_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_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int j;
|
|
grub_uint8_t *srcptr;
|
|
grub_uint8_t *dstptr;
|
|
int pitch;
|
|
|
|
pitch = src->mode_info->bytes_per_pixel;
|
|
|
|
/* 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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
|
|
|
|
grub_memmove (dstptr, srcptr, width * pitch);
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_index_R8G8B8 (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_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_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int j;
|
|
grub_uint8_t *srcptr;
|
|
grub_uint8_t *dstptr;
|
|
int pitch;
|
|
|
|
pitch = src->mode_info->bytes_per_pixel;
|
|
|
|
/* 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 *)get_data_ptr (src, offset_x, j + offset_y);
|
|
dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
|
|
|
|
grub_memmove (dstptr, srcptr, width * pitch);
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_blend (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
/* 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++)
|
|
{
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
grub_uint8_t src_red;
|
|
grub_uint8_t src_green;
|
|
grub_uint8_t src_blue;
|
|
grub_uint8_t src_alpha;
|
|
grub_uint8_t dst_red;
|
|
grub_uint8_t dst_green;
|
|
grub_uint8_t dst_blue;
|
|
grub_uint8_t dst_alpha;
|
|
grub_video_color_t src_color;
|
|
grub_video_color_t dst_color;
|
|
|
|
src_color = get_pixel (src, i + offset_x, j + offset_y);
|
|
grub_video_vbe_unmap_color (src, src_color, &src_red, &src_green,
|
|
&src_blue, &src_alpha);
|
|
|
|
if (src_alpha == 0)
|
|
continue;
|
|
|
|
if (src_alpha == 255)
|
|
{
|
|
dst_color = grub_video_vbe_map_rgba (src_red, src_green,
|
|
src_blue, src_alpha);
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
continue;
|
|
}
|
|
|
|
dst_color = get_pixel (dst, x + i, y + j);
|
|
|
|
grub_video_vbe_unmap_color (dst, dst_color, &dst_red,
|
|
&dst_green, &dst_blue, &dst_alpha);
|
|
|
|
dst_red = (((src_red * src_alpha)
|
|
+ (dst_red * (255 - src_alpha))) / 255);
|
|
dst_green = (((src_green * src_alpha)
|
|
+ (dst_green * (255 - src_alpha))) / 255);
|
|
dst_blue = (((src_blue * src_alpha)
|
|
+ (dst_blue * (255 - src_alpha))) / 255);
|
|
|
|
dst_alpha = src_alpha;
|
|
dst_color = grub_video_vbe_map_rgba (dst_red, dst_green, dst_blue,
|
|
dst_alpha);
|
|
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_replace (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int i;
|
|
int j;
|
|
grub_uint8_t src_red;
|
|
grub_uint8_t src_green;
|
|
grub_uint8_t src_blue;
|
|
grub_uint8_t src_alpha;
|
|
grub_video_color_t src_color;
|
|
grub_video_color_t dst_color;
|
|
|
|
/* 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++)
|
|
{
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
src_color = get_pixel (src, i + offset_x, j + offset_y);
|
|
grub_video_vbe_unmap_color (src, src_color, &src_red, &src_green,
|
|
&src_blue, &src_alpha);
|
|
|
|
dst_color = grub_video_vbe_map_rgba (src_red, src_green,
|
|
src_blue, src_alpha);
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
}
|
|
}
|
|
}
|