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-rw-r--r--kms++/src/dmabufframebuffer.cpp81
-rw-r--r--kms++/src/extframebuffer.cpp66
2 files changed, 81 insertions, 66 deletions
diff --git a/kms++/src/dmabufframebuffer.cpp b/kms++/src/dmabufframebuffer.cpp
new file mode 100644
index 0000000..cdf7a74
--- /dev/null
+++ b/kms++/src/dmabufframebuffer.cpp
@@ -0,0 +1,81 @@
+
+#include <cstring>
+#include <cerrno>
+
+#include <stdexcept>
+#include <sys/mman.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include <kms++/kms++.h>
+
+using namespace std;
+
+namespace kms
+{
+
+DmabufFramebuffer::DmabufFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
+ vector<int> fds, vector<uint32_t> pitches, vector<uint32_t> offsets)
+ : Framebuffer(card, width, height)
+{
+ int r;
+
+ m_format = format;
+
+ const PixelFormatInfo& format_info = get_pixel_format_info(format);
+
+ m_num_planes = format_info.num_planes;
+
+ for (int i = 0; i < format_info.num_planes; ++i) {
+ FramebufferPlane& plane = m_planes[i];
+
+ plane.prime_fd = fds[i];
+
+ r = drmPrimeFDToHandle(card.fd(), fds[i], &plane.handle);
+ if (r)
+ throw invalid_argument(string("drmPrimeFDToHandle: ") + strerror(errno));
+
+ plane.stride = pitches[i];
+ plane.offset = offsets[i];
+ plane.size = plane.stride * height;
+ plane.map = 0;
+ }
+
+ uint32_t id;
+ uint32_t bo_handles[4] = { m_planes[0].handle, m_planes[1].handle, m_planes[2].handle, m_planes[3].handle };
+ r = drmModeAddFB2(card.fd(), width, height, (uint32_t)format,
+ bo_handles, pitches.data(), offsets.data(), &id, 0);
+ if (r)
+ throw invalid_argument(string("drmModeAddFB2 failed: ") + strerror(errno));
+
+ set_id(id);
+}
+
+DmabufFramebuffer::~DmabufFramebuffer()
+{
+ drmModeRmFB(card().fd(), id());
+}
+
+uint8_t* DmabufFramebuffer::map(unsigned plane)
+{
+ FramebufferPlane& p = m_planes[plane];
+
+ if (p.map)
+ return p.map;
+
+ p.map = (uint8_t *)mmap(0, p.size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ p.prime_fd, 0);
+ if (p.map == MAP_FAILED)
+ throw invalid_argument(string("mmap failed: ") + strerror(errno));
+
+ return p.map;
+}
+
+int DmabufFramebuffer::prime_fd(unsigned plane)
+{
+ FramebufferPlane& p = m_planes[plane];
+
+ return p.prime_fd;
+}
+
+}
diff --git a/kms++/src/extframebuffer.cpp b/kms++/src/extframebuffer.cpp
index 12e59b7..28cc138 100644
--- a/kms++/src/extframebuffer.cpp
+++ b/kms++/src/extframebuffer.cpp
@@ -28,7 +28,6 @@ ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, Pixe
FramebufferPlane& plane = m_planes[i];
plane.handle = handles[i];
- plane.prime_fd = 0;
plane.stride = pitches[i];
plane.offset = offsets[i];
@@ -44,74 +43,9 @@ 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,
- vector<int> fds, vector<uint32_t> pitches, vector<uint32_t> offsets)
- : Framebuffer(card, width, height)
-{
- int r;
-
- m_format = format;
-
- const PixelFormatInfo& format_info = get_pixel_format_info(format);
-
- m_num_planes = format_info.num_planes;
-
- for (int i = 0; i < format_info.num_planes; ++i) {
- FramebufferPlane& plane = m_planes[i];
-
- plane.prime_fd = fds[i];
-
- r = drmPrimeFDToHandle(card.fd(), fds[i], &plane.handle);
- if (r)
- throw invalid_argument(string("drmPrimeFDToHandle: ") + strerror(errno));
-
- plane.stride = pitches[i];
- plane.offset = offsets[i];
- plane.size = plane.stride * height;
- plane.map = 0;
- }
-
- uint32_t id;
- uint32_t bo_handles[4] = { m_planes[0].handle, m_planes[1].handle };
- r = drmModeAddFB2(card.fd(), width, height, (uint32_t)format,
- bo_handles, pitches.data(), offsets.data(), &id, 0);
- if (r)
- throw invalid_argument(string("drmModeAddFB2 failed: ") + strerror(errno));
-
- set_id(id);
-}
-
ExtFramebuffer::~ExtFramebuffer()
{
drmModeRmFB(card().fd(), id());
}
-uint8_t* ExtFramebuffer::map(unsigned plane)
-{
- FramebufferPlane& p = m_planes[plane];
-
- if (!p.prime_fd)
- throw invalid_argument("cannot mmap non-dmabuf fb");
-
- if (p.map)
- return p.map;
-
- p.map = (uint8_t *)mmap(0, p.size, PROT_READ | PROT_WRITE, MAP_SHARED,
- p.prime_fd, 0);
- if (p.map == MAP_FAILED)
- throw invalid_argument(string("mmap failed: ") + strerror(errno));
-
- return p.map;
-}
-
-int ExtFramebuffer::prime_fd(unsigned plane)
-{
- FramebufferPlane& p = m_planes[plane];
-
- if (!p.prime_fd)
- throw invalid_argument("no primefb for non-dmabuf fb");
-
- return p.prime_fd;
-}
-
}