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2008-09-07 Vesa Jääskeläinen <chaac@nic.fi>

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Based on patch created by Colin D Bennett <colin@gibibit.com>.
	Adds optimization support for BGR based modes.

	* include/grub/i386/pc/vbeblit.h (grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8) Removed.
	(grub_video_i386_vbeblit_R8G8B8X8_R8G8B8X8): Likewise.
	(grub_video_i386_vbeblit_R8G8B8_R8G8B8A8): Likewise.
	(grub_video_i386_vbeblit_R8G8B8_R8G8B8X8): Likewise.
	(grub_video_i386_vbeblit_index_R8G8B8A8): Likewise.
	(grub_video_i386_vbeblit_index_R8G8B8X8): 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_replace_directN): Added.
	(grub_video_i386_vbeblit_replace_BGRX8888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_BGRX8888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_BGR888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_BGR888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_RGBX8888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_RGB888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_index_RGBX8888): Likewise.	
	(grub_video_i386_vbeblit_replace_index_RGB888): Likewise.
	(grub_video_i386_vbeblit_blend_BGRA8888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_BGR888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_RGBA8888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_RGB888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_index_RGBA8888): Likewise.

	* include/grub/i386/pc/vbefill.h (grub_video_i386_vbefill_R8G8B8A8) Removed.
	(grub_video_i386_vbefill_R8G8B8): Likewise.
	(grub_video_i386_vbefill_index): Likewise.
	(grub_video_i386_vbefill_direct32): Added.
	(grub_video_i386_vbefill_direct24): Likewise.
	(grub_video_i386_vbefill_direct16): Likewise.
	(grub_video_i386_vbefill_direct8): Likewise.

	* include/grub/video.h (grub_video_blit_format): Removed 
	GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8, GRUB_VIDEO_BLIT_FORMAT_R8G8B8.
	(grub_video_blit_format): Added GRUB_VIDEO_BLIT_FORMAT_RGBA_8888,
	GRUB_VIDEO_BLIT_FORMAT_BGRA_8888, GRUB_VIDEO_BLIT_FORMAT_RGB_888,
	GRUB_VIDEO_BLIT_FORMAT_BGR_888, GRUB_VIDEO_BLIT_FORMAT_RGB_565,
	GRUB_VIDEO_BLIT_FORMAT_BGR_565.
	
	* video/video.c (grub_video_get_blit_format): Updated to use new
	blit formats.  Added handling for 16 bit color modes.
	
	* video/i386/pc/vbe.c (grub_video_vbe_fill_rect): Updated to use new 
	fillers.
	(common_blitter): Updated to use new blitters.

	* video/i386/pc/vbeblit.c (grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8):
	Removed.
	(grub_video_i386_vbeblit_R8G8B8X8_R8G8B8X8): Likewise.
	(grub_video_i386_vbeblit_R8G8B8_R8G8B8A8): Likewise.
	(grub_video_i386_vbeblit_R8G8B8_R8G8B8X8): Likewise.
	(grub_video_i386_vbeblit_index_R8G8B8A8): Likewise.
	(grub_video_i386_vbeblit_index_R8G8B8X8): 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_replace_directN): Added.
	(grub_video_i386_vbeblit_replace_BGRX8888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_BGRX8888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_BGR888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_BGR888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_RGBX8888_RGB888): Likewise.
	(grub_video_i386_vbeblit_replace_RGB888_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_index_RGBX8888): Likewise.
	(grub_video_i386_vbeblit_replace_index_RGB888): Likewise.
	(grub_video_i386_vbeblit_blend_BGRA8888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_BGR888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_RGBA8888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_RGB888_RGBA8888): Likewise.
	(grub_video_i386_vbeblit_blend_index_RGBA8888): Likewise.
	
	* video/i386/pc/vbefill.c (grub_video_i386_vbefill_R8G8B8A8): Removed.
	(grub_video_i386_vbefill_R8G8B8): Likewise.
	(grub_video_i386_vbefill_index): Likewise.
	(grub_video_i386_vbefill_direct32): Added.
	(grub_video_i386_vbefill_direct24): Likewise.
	(grub_video_i386_vbefill_direct16): Likewise.
	(grub_video_i386_vbefill_direct8): Likewise.
	
	* video/readers/jpeg.c (grub_jpeg_decode_sos): Adapt to new blitter
	types.
	
	* video/readers/tga.c (grub_video_reader_tga): Adapt to new blitter
	types.
	
	* video/readers/png.c (grub_png_decode_image_header): Adapt to new
	blitter types.
	
	* video/bitmap.c (grub_video_bitmap_create): Adapt to new blitter
	types.
This commit is contained in:
chaac 2008-09-07 15:55:58 +00:00
parent e8a83df664
commit 0ea85a3787
12 changed files with 1274 additions and 683 deletions
Download patch file Download diff file Expand all files Collapse all files

411
video/i386/pc/vbe.c
View file

@ -217,7 +217,7 @@ grub_vbe_set_video_mode (grub_uint32_t mode,
case 8: framebuffer.bytes_per_pixel = 1; break;
default:
grub_vbe_bios_set_mode (old_mode, 0);
return grub_error (GRUB_ERR_BAD_DEVICE,
return grub_error (GRUB_ERR_BAD_DEVICE,
"cannot set VBE mode %x",
mode);
break;
@ -231,9 +231,9 @@ grub_vbe_set_video_mode (grub_uint32_t mode,
/* Make sure that the BIOS can reach the palette. */
grub_memcpy (palette, vga_colors, sizeof (vga_colors));
status = grub_vbe_bios_set_palette_data (sizeof (vga_colors)
/ sizeof (struct grub_vbe_palette_data),
0,
status = grub_vbe_bios_set_palette_data (sizeof (vga_colors)
/ sizeof (struct grub_vbe_palette_data),
0,
palette);
/* Just ignore the status. */
@ -413,7 +413,7 @@ grub_video_vbe_setup (unsigned int width, unsigned int height,
unsigned int i;
/* Decode depth from mode_type. If it is zero, then autodetect. */
depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
>> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
/* Walk thru mode list and try to find matching mode. */
@ -490,7 +490,7 @@ grub_video_vbe_setup (unsigned int width, unsigned int height,
/* Try to initialize best mode found. */
if (best_mode != 0)
{
/* If this fails, then we have mode selection heuristics problem,
/* If this fails, then we have mode selection heuristics problem,
or adapter failure. */
grub_vbe_set_video_mode (best_mode, &active_mode_info);
if (grub_errno != GRUB_ERR_NONE)
@ -538,8 +538,8 @@ grub_video_vbe_setup (unsigned int width, unsigned int height,
render_target->data = framebuffer.ptr;
/* Copy default palette to initialize emulated palette. */
for (i = 0;
i < (sizeof (vga_colors)
for (i = 0;
i < (sizeof (vga_colors)
/ sizeof (struct grub_vbe_palette_data));
i++)
{
@ -560,7 +560,7 @@ static grub_err_t
grub_video_vbe_get_info (struct grub_video_mode_info *mode_info)
{
/* Copy mode info from active render target. */
grub_memcpy (mode_info, &render_target->mode_info,
grub_memcpy (mode_info, &render_target->mode_info,
sizeof (struct grub_video_mode_info));
return GRUB_ERR_NONE;
@ -575,9 +575,9 @@ grub_video_vbe_set_palette (unsigned int start, unsigned int count,
if (framebuffer.index_color_mode)
{
/* TODO: Implement setting indexed color mode palette to hardware. */
//status = grub_vbe_bios_set_palette_data (sizeof (vga_colors)
// / sizeof (struct grub_vbe_palette_data),
// 0,
//status = grub_vbe_bios_set_palette_data (sizeof (vga_colors)
// / sizeof (struct grub_vbe_palette_data),
// 0,
// palette);
}
@ -646,6 +646,7 @@ grub_video_vbe_get_viewport (unsigned int *x, unsigned int *y,
return GRUB_ERR_NONE;
}
/* Maps color name to target optimized color format. */
static grub_video_color_t
grub_video_vbe_map_color (grub_uint32_t color_name)
{
@ -671,11 +672,12 @@ grub_video_vbe_map_color (grub_uint32_t color_name)
return 0;
}
/* Maps RGB to target optimized color format. */
grub_video_color_t
grub_video_vbe_map_rgb (grub_uint8_t red, grub_uint8_t green,
grub_uint8_t blue)
{
if ((render_target->mode_info.mode_type
if ((render_target->mode_info.mode_type
& GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) != 0)
{
int minindex = 0;
@ -728,11 +730,12 @@ grub_video_vbe_map_rgb (grub_uint8_t red, grub_uint8_t green,
}
/* Maps RGBA to target optimized color format. */
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)
{
if ((render_target->mode_info.mode_type
if ((render_target->mode_info.mode_type
& GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) != 0)
/* No alpha available in index color modes, just use
same value as in only RGB modes. */
@ -755,6 +758,7 @@ grub_video_vbe_map_rgba (grub_uint8_t red, grub_uint8_t green,
}
}
/* Splits target optimized format to components. */
grub_err_t grub_video_vbe_unmap_color (grub_video_color_t color,
grub_uint8_t *red, grub_uint8_t *green,
grub_uint8_t *blue, grub_uint8_t *alpha)
@ -765,10 +769,11 @@ grub_err_t grub_video_vbe_unmap_color (grub_video_color_t color,
target_info.data = render_target->data;
grub_video_vbe_unmap_color_int (&target_info, color, red, green, blue, alpha);
return GRUB_ERR_NONE;
}
/* Splits color in source format to components. */
void
grub_video_vbe_unmap_color_int (struct grub_video_i386_vbeblit_info * source,
grub_video_color_t color,
@ -778,7 +783,7 @@ grub_video_vbe_unmap_color_int (struct grub_video_i386_vbeblit_info * source,
struct grub_video_mode_info *mode_info;
mode_info = source->mode_info;
if ((mode_info->mode_type
if ((mode_info->mode_type
& GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) != 0)
{
/* If we have an out-of-bounds color, return transparent black. */
@ -875,25 +880,42 @@ grub_video_vbe_fill_rect (grub_video_color_t color, int x, int y,
target.mode_info = &render_target->mode_info;
target.data = render_target->data;
/* Try to figure out more optimized version. */
if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
/* Try to figure out more optimized version. Note that color is already
mapped to target format so we can make assumptions based on that. */
if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbefill_R8G8B8A8 (&target, color, x, y,
grub_video_i386_vbefill_direct32 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
else if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
grub_video_i386_vbefill_R8G8B8 (&target, color, x, y,
width, height);
grub_video_i386_vbefill_direct32 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
else if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
grub_video_i386_vbefill_index (&target, color, x, y,
width, height);
grub_video_i386_vbefill_direct24 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
else if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_565)
{
grub_video_i386_vbefill_direct16 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
else if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGR_565)
{
grub_video_i386_vbefill_direct16 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
else if (target.mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbefill_direct8 (&target, color, x, y,
width, height);
return GRUB_ERR_NONE;
}
@ -965,15 +987,15 @@ grub_video_vbe_blit_glyph (struct grub_font_glyph * glyph,
/* Draw glyph. */
for (j = 0; j < height; j++)
for (i = 0; i < width; i++)
if ((glyph->bitmap[((i + x_offset) / 8)
+ (j + y_offset) * (charwidth / 8)]
if ((glyph->bitmap[((i + x_offset) / 8)
+ (j + y_offset) * (charwidth / 8)]
& (1 << ((charwidth - (i + x_offset) - 1) % 8))))
set_pixel (&target, x+i, y+j, color);
return GRUB_ERR_NONE;
}
/* NOTE: This function assumes that given coordinates are within bounds of
/* NOTE: This function assumes that given coordinates are within bounds of
handled data. */
static void
common_blitter (struct grub_video_i386_vbeblit_info *target,
@ -985,146 +1007,193 @@ common_blitter (struct grub_video_i386_vbeblit_info *target,
if (oper == GRUB_VIDEO_BLIT_REPLACE)
{
/* Try to figure out more optimized version for replace operator. */
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
grub_video_i386_vbeblit_R8G8B8X8_R8G8B8X8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
grub_video_i386_vbeblit_R8G8B8_R8G8B8X8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_R8G8B8X8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
grub_video_i386_vbeblit_R8G8B8_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_index (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
grub_video_i386_vbeblit_replace_directN (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbeblit_replace_BGRX8888_RGBX8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGR_888)
{
grub_video_i386_vbeblit_replace_BGR888_RGBX8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
grub_video_i386_vbeblit_replace_RGB888_RGBX8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_replace_index_RGBX8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
else if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbeblit_replace_BGRX8888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
grub_video_i386_vbeblit_replace_RGBX8888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGR_888)
{
grub_video_i386_vbeblit_replace_BGR888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
grub_video_i386_vbeblit_replace_directN (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_replace_index_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
else if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbeblit_replace_directN (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
else if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_replace_directN (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
/* No optimized replace operator found, use default (slow) blitter. */
grub_video_i386_vbeblit_replace (target, source, x, y, width, height,
offset_x, offset_y);
offset_x, offset_y);
}
else
{
/* Try to figure out more optimized blend operator. */
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbeblit_blend_BGRA8888_RGBA8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
grub_video_i386_vbeblit_blend_RGBA8888_RGBA8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGR_888)
{
grub_video_i386_vbeblit_blend_BGR888_RGBA8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
grub_video_i386_vbeblit_blend_RGB888_RGBA8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_blend_index_RGBA8888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
else if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
/* Note: There is really no alpha information here, so blend is
changed to replace. */
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_R8G8B8A8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8A8)
{
grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_R8G8B8)
{
grub_video_i386_vbeblit_R8G8B8_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_R8G8B8 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (source->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_index_index (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGRA_8888)
{
grub_video_i386_vbeblit_replace_BGRX8888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGBA_8888)
{
grub_video_i386_vbeblit_replace_RGBX8888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_BGR_888)
{
grub_video_i386_vbeblit_replace_BGR888_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_RGB_888)
{
grub_video_i386_vbeblit_replace_directN (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
else if (target->mode_info->blit_format == GRUB_VIDEO_BLIT_FORMAT_INDEXCOLOR)
{
grub_video_i386_vbeblit_replace_index_RGB888 (target, source,
x, y, width, height,
offset_x, offset_y);
return;
}
}
/* No optimized blend operation found, use default (slow) blitter. */
grub_video_i386_vbeblit_blend (target, source, x, y, width, height,
offset_x, offset_y);
offset_x, offset_y);
}
}
@ -1148,10 +1217,10 @@ grub_video_vbe_blit_bitmap (struct grub_video_bitmap *bitmap,
return GRUB_ERR_NONE;
if ((y + (int)bitmap->mode_info.height) < 0)
return GRUB_ERR_NONE;
if ((offset_x >= (int)bitmap->mode_info.width)
if ((offset_x >= (int)bitmap->mode_info.width)
|| (offset_x + (int)width < 0))
return GRUB_ERR_NONE;
if ((offset_y >= (int)bitmap->mode_info.height)
if ((offset_y >= (int)bitmap->mode_info.height)
|| (offset_y + (int)height < 0))
return GRUB_ERR_NONE;
@ -1239,10 +1308,10 @@ grub_video_vbe_blit_render_target (struct grub_video_render_target *source,
return GRUB_ERR_NONE;
if ((y + (int)source->mode_info.height) < 0)
return GRUB_ERR_NONE;
if ((offset_x >= (int)source->mode_info.width)
if ((offset_x >= (int)source->mode_info.width)
|| (offset_x + (int)width < 0))
return GRUB_ERR_NONE;
if ((offset_y >= (int)source->mode_info.height)
if ((offset_y >= (int)source->mode_info.height)
|| (offset_y + (int)height < 0))
return GRUB_ERR_NONE;
@ -1304,7 +1373,7 @@ grub_video_vbe_blit_render_target (struct grub_video_render_target *source,
target_info.data = render_target->data;
/* Do actual blitting. */
common_blitter (&target_info, &source_info, oper, x, y, width, height,
common_blitter (&target_info, &source_info, oper, x, y, width, height,
offset_x, offset_y);
return GRUB_ERR_NONE;
@ -1350,7 +1419,7 @@ grub_video_vbe_scroll (grub_video_color_t color, int dx, int dy)
}
/* 2. Check if there is need to copy data. */
if ((grub_abs (dx) < render_target->viewport.width)
if ((grub_abs (dx) < render_target->viewport.width)
&& (grub_abs (dy) < render_target->viewport.height))
{
/* 3. Move data in render target. */
@ -1389,7 +1458,7 @@ grub_video_vbe_scroll (grub_video_color_t color, int dx, int dy)
/* 4b. Fill left & right parts. */
if (dx > 0)
grub_video_vbe_fill_rect (color, 0, 0,
grub_video_vbe_fill_rect (color, 0, 0,
dx, render_target->viewport.height);
else if (dx < 0)
{
@ -1403,7 +1472,7 @@ grub_video_vbe_scroll (grub_video_color_t color, int dx, int dy)
return GRUB_ERR_NONE;
}
static grub_err_t
static grub_err_t
grub_video_vbe_swap_buffers (void)
{
/* TODO: Implement buffer swapping. */
@ -1445,7 +1514,7 @@ grub_video_vbe_create_render_target (struct grub_video_render_target **result,
/* Setup render target format. */
target->mode_info.width = width;
target->mode_info.height = height;
target->mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB
target->mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB
| GRUB_VIDEO_MODE_TYPE_ALPHA;
target->mode_info.bpp = 32;
target->mode_info.bytes_per_pixel = 4;
@ -1513,11 +1582,11 @@ grub_video_vbe_set_active_render_target (struct grub_video_render_target *target
}
if (target == GRUB_VIDEO_RENDER_TARGET_BACK_BUFFER)
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"double buffering not implemented yet.");
if (! target->data)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"invalid render target given.");
render_target = target;
@ -1529,7 +1598,7 @@ static grub_err_t
grub_video_vbe_get_active_render_target (struct grub_video_render_target **target)
{
*target = render_target;
return GRUB_ERR_NONE;
}