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Demacro-ize tile_render in render_scanline_text_base_normal

This commit is contained in:
twinaphex 2014-12-12 00:51:51 +01:00
parent ee1a0377cf
commit ad472bf85f
1 changed files with 156 additions and 2 deletions
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158
video.c
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@ -915,11 +915,151 @@ static void render_scanline_text_base_normal(u32 layer,
if(bg_control & 0x80)
{
tile_render(8bpp, base, normal);
/* color depth: 8bpp
* combine: base
* alpha : normal
*/
/* Render a single scanline of text tiles */
u32 vertical_pixel_offset = (vertical_offset % 8) *
tile_width_8bpp;
u32 vertical_pixel_flip =
((tile_size_8bpp - tile_width_8bpp) -
vertical_pixel_offset) - vertical_pixel_offset;
tile_extra_variables_8bpp();
u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)) +
vertical_pixel_offset;
u32 pixel_run = 256 - (horizontal_offset % 256);
u32 current_tile;
map_base += ((vertical_offset % 256) / 8) * 32;
partial_tile_offset = (horizontal_offset % 8);
if(pixel_run >= end)
{
if(partial_tile_offset)
{
partial_tile_run = 8 - partial_tile_offset;
if(end < partial_tile_run)
{
partial_tile_run = end;
partial_tile_mid_map(base, 8bpp, normal);
return;
}
else
{
end -= partial_tile_run;
partial_tile_right_map(base, 8bpp, normal);
}
}
tile_run = end / 8;
multiple_tile_map(base, 8bpp, normal);
partial_tile_run = end % 8;
if(partial_tile_run)
{
partial_tile_left_map(base, 8bpp, normal);
}
}
else
{
if(partial_tile_offset)
{
partial_tile_run = 8 - partial_tile_offset;
partial_tile_right_map(base, 8bpp, normal);
}
tile_run = (pixel_run - partial_tile_run) / 8;
multiple_tile_map(base, 8bpp, normal);
map_ptr = second_ptr;
end -= pixel_run;
tile_run = end / 8;
multiple_tile_map(base, 8bpp, normal);
partial_tile_run = end % 8;
if(partial_tile_run)
{
partial_tile_left_map(base, 8bpp, normal);
}
}
}
else
{
tile_render(4bpp, base, normal);
/* color depth: 4bpp
* combine: base
* alpha : normal
*/
/* Render a single scanline of text tiles */
u32 vertical_pixel_offset = (vertical_offset % 8) *
tile_width_4bpp;
u32 vertical_pixel_flip =
((tile_size_4bpp - tile_width_4bpp) -
vertical_pixel_offset) - vertical_pixel_offset;
tile_extra_variables_4bpp();
u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)) +
vertical_pixel_offset;
u32 pixel_run = 256 - (horizontal_offset % 256);
u32 current_tile;
map_base += ((vertical_offset % 256) / 8) * 32;
partial_tile_offset = (horizontal_offset % 8);
if(pixel_run >= end)
{
if(partial_tile_offset)
{
partial_tile_run = 8 - partial_tile_offset;
if(end < partial_tile_run)
{
partial_tile_run = end;
partial_tile_mid_map(base, 4bpp, normal);
return;
}
else
{
end -= partial_tile_run;
partial_tile_right_map(base, 4bpp, normal);
}
}
tile_run = end / 8;
multiple_tile_map(base, 4bpp, normal);
partial_tile_run = end % 8;
if(partial_tile_run)
{
partial_tile_left_map(base, 4bpp, normal);
}
}
else
{
if(partial_tile_offset)
{
partial_tile_run = 8 - partial_tile_offset;
partial_tile_right_map(base, 4bpp, normal);
}
tile_run = (pixel_run - partial_tile_run) / 8;
multiple_tile_map(base, 4bpp, normal);
map_ptr = second_ptr;
end -= pixel_run;
tile_run = end / 8;
multiple_tile_map(base, 4bpp, normal);
partial_tile_run = end % 8;
if(partial_tile_run)
{
partial_tile_left_map(base, 4bpp, normal);
}
}
}
}
@ -982,10 +1122,12 @@ static void render_scanline_text_transparent_normal(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, transparent, normal);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, transparent, normal);
}
}
@ -1049,10 +1191,12 @@ static void render_scanline_text_base_color16(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, base, color16);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, base, color16);
}
}
@ -1116,10 +1260,12 @@ static void render_scanline_text_transparent_color16(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, transparent, color16);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, transparent, color16);
}
}
@ -1183,10 +1329,12 @@ static void render_scanline_text_base_color32(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, base, color32);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, base, color32);
}
}
@ -1250,10 +1398,12 @@ static void render_scanline_text_transparent_color32(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, transparent, color32);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, transparent, color32);
}
}
@ -1317,10 +1467,12 @@ static void render_scanline_text_base_alpha(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, base, alpha);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, base, alpha);
}
}
@ -1384,10 +1536,12 @@ static void render_scanline_text_transparent_alpha(u32 layer,
if(bg_control & 0x80)
{
/* Render a single scanline of text tiles */
tile_render(8bpp, transparent, alpha);
}
else
{
/* Render a single scanline of text tiles */
tile_render(4bpp, transparent, alpha);
}
}