Method SaveScreenshot

Source/SysPSP/Graphics/GraphicsContext.cpp:481–523

Save current visible screen as PNG From Shazz/71M - thanks guys!

// From Shazz/71M - thanks guys!
//*****************************************************************************
void IGraphicsContext::SaveScreenshot( const char* filename, s32 x, s32 y, u32 width, u32 height )
{
	void * buffer;
	int bufferwidth;
	int pixelformat;
	int unknown = 0;

	sceDisplayWaitVblankStart();  // if framebuf was set with PSP_DISPLAY_SETBUF_NEXTFRAME, wait until it is changed
	sceDisplayGetFrameBuf( &buffer, &bufferwidth, &pixelformat, unknown );

	ETextureFormat		texture_format;
	u32					bpp;

	switch( pixelformat )
	{
	case PSP_DISPLAY_PIXEL_FORMAT_565:
		texture_format = TexFmt_5650;
		bpp = 2;
		break;
	case PSP_DISPLAY_PIXEL_FORMAT_5551:
		texture_format = TexFmt_5551;
		bpp = 2;
		break;
	case PSP_DISPLAY_PIXEL_FORMAT_4444:
		texture_format = TexFmt_4444;
		bpp = 2;
		break;
	case PSP_DISPLAY_PIXEL_FORMAT_8888:
		texture_format = TexFmt_8888;
		bpp = 4;
		break;
	default:
		texture_format = TexFmt_8888;
		bpp = 4;
		break;
	}

	u32 pitch( bufferwidth * bpp );

	buffer = reinterpret_cast< u8 * >( buffer ) + (y * pitch) + (x * bpp);

	PngSaveImage( filename, buffer, nullptr, texture_format, pitch, width, height, false );
}

//*****************************************************************************
//