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-rw-r--r--kms++/inc/kms++/dmabufframebuffer.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/kms++/inc/kms++/dmabufframebuffer.h b/kms++/inc/kms++/dmabufframebuffer.h
new file mode 100644
index 0000000..494aa97
--- /dev/null
+++ b/kms++/inc/kms++/dmabufframebuffer.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "framebuffer.h"
+#include "pixelformats.h"
+#include <vector>
+
+namespace kms
+{
+
+class DmabufFramebuffer : public Framebuffer
+{
+public:
+ DmabufFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
+ std::vector<int> fds, std::vector<uint32_t> pitches, std::vector<uint32_t> offsets);
+ virtual ~DmabufFramebuffer();
+
+ uint32_t width() const { return Framebuffer::width(); }
+ uint32_t height() const { return Framebuffer::height(); }
+
+ PixelFormat format() const { return m_format; }
+ unsigned num_planes() const { return m_num_planes; }
+
+ uint32_t handle(unsigned plane) const { return m_planes[plane].handle; }
+ uint32_t stride(unsigned plane) const { return m_planes[plane].stride; }
+ uint32_t size(unsigned plane) const { return m_planes[plane].size; }
+ uint32_t offset(unsigned plane) const { return m_planes[plane].offset; }
+ uint8_t* map(unsigned plane);
+ int prime_fd(unsigned plane);
+
+private:
+ struct FramebufferPlane {
+ uint32_t handle;
+ int prime_fd;
+ uint32_t size;
+ uint32_t stride;
+ uint32_t offset;
+ uint8_t *map;
+ };
+
+ unsigned m_num_planes;
+ struct FramebufferPlane m_planes[4];
+
+ PixelFormat m_format;
+};
+
+}