1 files changed, 51 insertions, 0 deletions
diff --git a/kms++/inc/kms++/dmabufframebuffer.h b/kms++/inc/kms++/dmabufframebuffer.h
new file mode 100644
index 0000000..73c6d21
--- /dev/null
+++ b/kms++/inc/kms++/dmabufframebuffer.h
@@ -0,0 +1,51 @@
+#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);
+	~DmabufFramebuffer() override;
+
+	uint32_t width() const override { return Framebuffer::width(); }
+	uint32_t height() const override { return Framebuffer::height(); }
+
+	PixelFormat format() const override { return m_format; }
+	unsigned num_planes() const override { return m_num_planes; }
+
+	uint32_t handle(unsigned plane) const { return m_planes[plane].handle; }
+	uint32_t stride(unsigned plane) const override { return m_planes[plane].stride; }
+	uint32_t size(unsigned plane) const override { return m_planes[plane].size; }
+	uint32_t offset(unsigned plane) const override { return m_planes[plane].offset; }
+	uint8_t* map(unsigned plane) override;
+	int prime_fd(unsigned plane) override;
+
+	void begin_cpu_access(CpuAccess access) override;
+	void end_cpu_access() override;
+
+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;
+
+	uint32_t m_sync_flags = 0;
+};
+
+}