wined3d: Use the format info to calculate compressed surface size in IWineD3DBaseSurfaceImpl_SetFormat().

This commit is contained in:
Henri Verbeet 2009-06-11 10:24:30 +02:00 committed by Alexandre Julliard
parent e255f971e4
commit da12ac05a4
1 changed files with 9 additions and 8 deletions

View File

@ -521,14 +521,15 @@ HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetFormat(IWineD3DSurface *iface, WINED3D
TRACE("(%p) : Setting texture format to (%d,%s)\n", This, format, debug_d3dformat(format));
if (format == WINED3DFMT_UNKNOWN) {
This->resource.size = 0;
} else if (format == WINED3DFMT_DXT1) {
/* DXT1 is half byte per pixel */
This->resource.size = ((max(This->pow2Width, 4) * format_desc->byte_count) * max(This->pow2Height, 4)) >> 1;
} else if (format == WINED3DFMT_DXT2 || format == WINED3DFMT_DXT3 ||
format == WINED3DFMT_DXT4 || format == WINED3DFMT_DXT5) {
This->resource.size = ((max(This->pow2Width, 4) * format_desc->byte_count) * max(This->pow2Height, 4));
} else {
}
else if (format_desc->Flags & WINED3DFMT_FLAG_COMPRESSED)
{
UINT row_block_count = (This->pow2Width + format_desc->block_width - 1) / format_desc->block_width;
UINT row_count = (This->pow2Height + format_desc->block_height - 1) / format_desc->block_height;
This->resource.size = row_count * row_block_count * format_desc->block_byte_count;
}
else
{
unsigned char alignment = This->resource.wineD3DDevice->surface_alignment;
This->resource.size = ((This->pow2Width * format_desc->byte_count) + alignment - 1) & ~(alignment - 1);
This->resource.size *= This->pow2Height;