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Implement ShmCreatePixmap

This commit is contained in:
Oskari Alaranta 2026-02-21 03:43:06 +02:00
parent 572a0b6bd5
commit 406ea61be0
3 changed files with 40 additions and 4 deletions
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5
xbanan/Base.cpp
View File

@ -1208,7 +1208,7 @@ BAN::ErrorOr<void> handle_packet(Client& client_info, BAN::ConstByteSpan packet)
{
auto& pixmap = object.object.get<Object::Pixmap>();
info.data = pixmap.data.span();
info.data = pixmap.data;
info.w = pixmap.width;
info.h = pixmap.height;
info.depth = pixmap.depth;
@ -2439,7 +2439,8 @@ BAN::ErrorOr<void> handle_packet(Client& client_info, BAN::ConstByteSpan packet)
.depth = request.depth,
.width = request.width,
.height = request.height,
.data = BAN::move(data),
.data = data.span(),
.owned_data = BAN::move(data),
}
}))
));

3
xbanan/Definitions.h
View File

@ -99,7 +99,8 @@ struct Object
CARD8 depth;
CARD32 width;
CARD32 height;
BAN::Vector<uint8_t> data;
BAN::ByteSpan data;
BAN::Vector<uint8_t> owned_data;
};
struct GraphicsContext

36
xbanan/ExtSHM.cpp
View File

@ -104,7 +104,7 @@ static BAN::ErrorOr<void> extension_shm(Client& client_info, BAN::ConstByteSpan
{
auto& pixmap = object.object.get<Object::Pixmap>();
info.data = pixmap.data.span();
info.data = pixmap.data;
info.w = pixmap.width;
info.h = pixmap.height;
info.depth = pixmap.depth;
@ -305,6 +305,40 @@ static BAN::ErrorOr<void> extension_shm(Client& client_info, BAN::ConstByteSpan
break;
}
case X_ShmCreatePixmap:
{
auto request = decode<xShmCreatePixmapReq>(packet).value();
dprintln("ShmCreatePixmap");
dprintln(" depth: {}", request.depth);
dprintln(" pid: {}", request.pid);
dprintln(" drawable: {}", request.drawable);
dprintln(" width: {}", request.width);
dprintln(" height: {}", request.height);
dprintln(" shmseg: {}", request.shmseg);
dprintln(" offset: {}", request.offset);
ASSERT(request.depth == 24 || request.depth == 32);
void* shm_segment = TRY(get_shmseg(request.shmseg));
TRY(client_info.objects.insert(request.pid));
TRY(g_objects.insert(
request.pid,
TRY(BAN::UniqPtr<Object>::create(Object {
.type = Object::Type::Pixmap,
.object = Object::Pixmap {
.depth = request.depth,
.width = request.width,
.height = request.height,
.data = BAN::ByteSpan(static_cast<uint8_t*>(shm_segment) + request.offset, request.width * request.height * 4),
.owned_data = {},
}
}))
));
break;
}
default:
dwarnln("unsupported shm minor opcode {}", packet[1]);
break;