/*
=======================================
生成 DX8 图形离屏表面
=======================================
*/
CR_API iGFX2_DX8S*
create_dx8_bitmap (
__CR_IN__ iGFX2_DX8M* device,
__CR_IN__ sD3D8_TEXR* texture,
__CR_IN__ bool_t dynamic
)
{
iGFX2_DX8S* rett;
/* 必须是 2D 贴图 */
if (texture->face != 1)
return (NULL);
/* 生成对象并设置图片参数 */
rett = struct_new(iGFX2_DX8S);
if (rett == NULL)
return (NULL);
if (!image_set(&rett->__back__, NULL, (leng_t)(-1L), 0, 0,
texture->info.Width, texture->info.Height,
image_d3d_to_crh(texture->info.Format), FALSE, 8)) {
rect_set_wh(&rett->__back__.clip_win, 0, 0,
texture->info.Width, texture->info.Height);
struct_cpy(&rett->__back__.position, &rett->__back__.clip_win, sRECT);
}
/* 返回生成的对象 */
rett->__vptr__ = &s_bitmap_vtbl;
rett->m_flags = dynamic ? D3DLOCK_DISCARD : 0;
rett->m_device = device;
rett->m_texture = texture;
return (rett);
}
void image_map(image* i, vec4(*f)(vec4)) {
for (int x = 0; x < i->width; x++)
for (int y = 0; y < i->height; y++) {
image_set(i, x, y, f(image_get(i, x, y)));
}
}
