From 86186b1cbbd531843b13f592924da0e774149f29 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Sun, 7 Feb 2016 10:27:47 +0200
Subject: add MappedBuffer & co

---
 libkmstest/mappedbuffer.h | 95 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 libkmstest/mappedbuffer.h

(limited to 'libkmstest/mappedbuffer.h')

diff --git a/libkmstest/mappedbuffer.h b/libkmstest/mappedbuffer.h
new file mode 100644
index 0000000..7c1215c
--- /dev/null
+++ b/libkmstest/mappedbuffer.h
@@ -0,0 +1,95 @@
+#pragma once
+
+#include "kms++.h"
+
+namespace kms
+{
+
+class MappedBuffer {
+public:
+	MappedBuffer()
+	{
+	}
+
+	virtual ~MappedBuffer()
+	{
+	}
+
+	virtual uint32_t width() const = 0;
+	virtual uint32_t height() const = 0;
+
+	virtual PixelFormat format() const = 0;
+	virtual unsigned num_planes() const = 0;
+
+	virtual uint32_t stride(unsigned plane) const = 0;
+	virtual uint32_t size(unsigned plane) const = 0;
+	virtual uint32_t offset(unsigned plane) const = 0;
+	virtual uint8_t* map(unsigned plane) = 0;
+};
+
+class MappedDumbBuffer : public MappedBuffer {
+public:
+	MappedDumbBuffer(DumbFramebuffer& dumbfb)
+		: m_fb(dumbfb)
+	{
+
+	}
+
+	virtual ~MappedDumbBuffer()
+	{
+
+	}
+
+	uint32_t width() const { return m_fb.width(); }
+	uint32_t height() const { return m_fb.height(); }
+
+	PixelFormat format() const { return m_fb.format(); }
+	unsigned num_planes() const { return m_fb.num_planes(); }
+
+	uint32_t stride(unsigned plane) const { return m_fb.stride(plane); }
+	uint32_t size(unsigned plane) const { return m_fb.size(plane); }
+	uint32_t offset(unsigned plane) const { return m_fb.offset(plane); }
+	uint8_t* map(unsigned plane) { return m_fb.map(plane); }
+
+private:
+	DumbFramebuffer& m_fb;
+};
+
+class MappedCPUBuffer : public MappedBuffer {
+public:
+	MappedCPUBuffer(uint32_t width, uint32_t height, PixelFormat format);
+
+	virtual ~MappedCPUBuffer();
+
+	MappedCPUBuffer(const MappedCPUBuffer& other) = delete;
+	MappedCPUBuffer& operator=(const MappedCPUBuffer& other) = delete;
+
+	uint32_t width() const { return m_width; }
+	uint32_t height() const { return m_height; }
+
+	PixelFormat format() const { return m_format; }
+	unsigned num_planes() const { return m_num_planes; }
+
+	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) { return m_planes[plane].map; }
+
+
+private:
+	struct FramebufferPlane {
+		uint32_t size;
+		uint32_t stride;
+		uint32_t offset;
+		uint8_t *map;
+	};
+
+	uint32_t m_width;
+	uint32_t m_height;
+	PixelFormat m_format;
+
+	unsigned m_num_planes;
+	struct FramebufferPlane m_planes[4];
+};
+
+}
-- 
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