xref: /aosp_15_r20/external/libkmsxx/kms++util/src/extcpuframebuffer.cpp (revision f0687c8a10b3e371dbe09214db6664e37c283cca)
1 
2 #include <kms++util/kms++util.h>
3 
4 using namespace std;
5 
6 namespace kms
7 {
ExtCPUFramebuffer(uint32_t width,uint32_t height,PixelFormat format,uint8_t * buffer,uint32_t size,uint32_t pitch,uint32_t offset)8 ExtCPUFramebuffer::ExtCPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format,
9 				     uint8_t* buffer, uint32_t size, uint32_t pitch, uint32_t offset)
10 	: m_width(width), m_height(height), m_format(format)
11 {
12 	const PixelFormatInfo& format_info = get_pixel_format_info(m_format);
13 
14 	m_num_planes = format_info.num_planes;
15 
16 	ASSERT(m_num_planes == 1);
17 
18 	FramebufferPlane& plane = m_planes[0];
19 
20 	plane.stride = pitch;
21 	plane.size = size;
22 	plane.offset = offset;
23 	plane.map = buffer;
24 }
25 
ExtCPUFramebuffer(uint32_t width,uint32_t height,PixelFormat format,uint8_t * buffers[4],uint32_t sizes[4],uint32_t pitches[4],uint32_t offsets[4])26 ExtCPUFramebuffer::ExtCPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format,
27 				     uint8_t* buffers[4], uint32_t sizes[4], uint32_t pitches[4], uint32_t offsets[4])
28 	: m_width(width), m_height(height), m_format(format)
29 {
30 	const PixelFormatInfo& format_info = get_pixel_format_info(m_format);
31 
32 	m_num_planes = format_info.num_planes;
33 
34 	for (unsigned i = 0; i < format_info.num_planes; ++i) {
35 		FramebufferPlane& plane = m_planes[i];
36 
37 		plane.stride = pitches[i];
38 		plane.size = sizes[i];
39 		plane.offset = offsets[i];
40 		plane.map = buffers[i];
41 	}
42 }
43 
~ExtCPUFramebuffer()44 ExtCPUFramebuffer::~ExtCPUFramebuffer()
45 {
46 }
47 
48 } // namespace kms
49