shithub: cstory

ref: a177f44b8884810adc58ce5d83617ef421fb49aa
dir: /src/Backends/WiiU/Window-Software.cpp/

#include "../Window-Software.h"

#include <stdlib.h>

//#include <coreinit/cache.h>
#include <coreinit/screen.h>

static unsigned char *fake_framebuffer;

//static unsigned char *tv_framebuffer;
static unsigned char *drc_framebuffer;

static size_t framebuffer_width;
static size_t framebuffer_height;

//static uint32_t tv_buffer_size;
static uint32_t drc_buffer_size;

bool WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen)
{
	(void)window_title;
	(void)fullscreen;

	framebuffer_width = screen_width;
	framebuffer_height = screen_height;

	OSScreenInit();

	OSScreenEnableEx(SCREEN_TV, FALSE);
	OSScreenEnableEx(SCREEN_DRC, TRUE);

//	tv_buffer_size = OSScreenGetBufferSizeEx(SCREEN_TV);
	drc_buffer_size = OSScreenGetBufferSizeEx(SCREEN_DRC);

//	tv_framebuffer = (unsigned char*)aligned_alloc(0x100, tv_buffer_size);	// C11 fun
	drc_framebuffer = (unsigned char*)aligned_alloc(0x100, drc_buffer_size);	// C11 fun

//	OSScreenSetBufferEx(SCREEN_TV, tv_framebuffer);
	OSScreenSetBufferEx(SCREEN_DRC, drc_framebuffer);

	fake_framebuffer = (unsigned char*)malloc(framebuffer_width * framebuffer_height * 3);

	return true;
}

void WindowBackend_Software_DestroyWindow(void)
{
	free(fake_framebuffer);
	free(drc_framebuffer);
//	free(tv_framebuffer);
	OSScreenShutdown();
}

unsigned char* WindowBackend_Software_GetFramebuffer(size_t *pitch)
{
	*pitch = framebuffer_width * 3;

	return fake_framebuffer;
}

void WindowBackend_Software_Display(void)
{
	const size_t line_size = (drc_buffer_size / 480) / 2;

	static bool flipflop;

	const unsigned char *in_pointer = fake_framebuffer;

	for (size_t y = 0; y < framebuffer_height; ++y)
	{
		unsigned char *out_pointer = &drc_framebuffer[line_size * y];

		if (!flipflop)
			out_pointer += drc_buffer_size / 2;

		out_pointer += ((854 - framebuffer_width) * 4) / 2;
		out_pointer += ((480 - framebuffer_height) * line_size) / 2;

		for (size_t x = 0; x < framebuffer_width; ++x)
		{
			*out_pointer++ = *in_pointer++;
			*out_pointer++ = *in_pointer++;
			*out_pointer++ = *in_pointer++;
			*out_pointer++ = 0;
		}
	}

	flipflop = !flipflop;

//	DCFlushRange(tv_framebuffer, tv_buffer_size);
//	DCFlushRange(drc_framebuffer, drc_buffer_size);

//	OSScreenFlipBuffersEx(SCREEN_TV);
	OSScreenFlipBuffersEx(SCREEN_DRC);
}

void WindowBackend_Software_HandleWindowResize(unsigned int width, unsigned int height)
{
	(void)width;
	(void)height;
}