1 files changed, 42 insertions, 0 deletions
diff --git a/kms++util/extcpuframebuffer.h b/kms++util/extcpuframebuffer.h
new file mode 100644
index 0000000..172841f
--- /dev/null
+++ b/kms++util/extcpuframebuffer.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include "kms++.h"
+
+namespace kms
+{
+
+class ExtCPUFramebuffer : public IMappedFramebuffer
+{
+public:
+	ExtCPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format,
+			  uint8_t* buffer, uint32_t pitch);
+	ExtCPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format,
+			  uint8_t* buffers[4], uint32_t pitches[4]);
+	virtual ~ExtCPUFramebuffer();
+
+	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 0; }
+	uint8_t* map(unsigned plane) { return m_planes[plane].map; }
+
+private:
+	struct FramebufferPlane {
+		uint32_t size;
+		uint32_t stride;
+		uint8_t *map;
+	};
+
+	uint32_t m_width;
+	uint32_t m_height;
+	PixelFormat m_format;
+
+	unsigned m_num_planes;
+	struct FramebufferPlane m_planes[4];
+};
+}