diff options
Diffstat (limited to 'libkms++/extframebuffer.cpp')
| -rw-r--r-- | libkms++/extframebuffer.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libkms++/extframebuffer.cpp b/libkms++/extframebuffer.cpp index 35fead8..2dd2903 100644 --- a/libkms++/extframebuffer.cpp +++ b/libkms++/extframebuffer.cpp @@ -35,6 +35,31 @@ ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, Pixe set_id(id); } +ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format, + int fds[4], uint32_t pitches[4], uint32_t offsets[4]) + : Framebuffer(card, width, height) +{ + int r; + + const PixelFormatInfo& format_info = get_pixel_format_info(format); + + uint32_t handles[4] = { 0 }; + + for (int i = 0; i < format_info.num_planes; ++i) { + r = drmPrimeFDToHandle(card.fd(), fds[i], &handles[i]); + if (r) + throw invalid_argument(string("drmPrimeFDToHandle: ") + strerror(errno)); + } + + uint32_t id; + r = drmModeAddFB2(card.fd(), width, height, (uint32_t)format, + handles, pitches, offsets, &id, 0); + if (r) + throw invalid_argument(string("drmModeAddFB2 failed: ") + strerror(errno)); + + set_id(id); +} + ExtFramebuffer::~ExtFramebuffer() { drmModeRmFB(card().fd(), id()); |