hikiko

	; vi:filetype=nasm:
	bits 16
	; DOS loads COM programs at offset 100h (256) of the program segment
	; therefore we need to let the assembler know, that everything should
	; start from address 100h
	org 100h

	; video bios (10h) call 00h: set video mode
	; ah: 00h, al: video mode number
	mov ax, 13h	; mode 13h (320x200 8bpp)

hikiko

test.com: test.asm

%.com: %.asm
	nasm -o $@ -f bin $<

.PHONY: clean
clean:
	rm -f test.com

hikiko

extern crate sdl2;
extern crate gl;
extern crate image;

use sdl2::video::GLProfile;
use gl::types::*;
use image::GenericImageView;

static WIN_W : u32 = 800;
static WIN_H : u32 = 800;

hikiko

	;32bit x86 code
	[bits 32]
	[section .text]

	global _start

_start:

	;linux specific
	;interrupt 80hex for system calls

hikiko

obj = helloworld.o
bin = helloworld

$(bin): $(obj)
	ld -m elf_i386 -o $@ $(obj)

%.o: %.asm
	nasm -o $@ -f elf32 $<

.PHONY: clean

hikiko

[require]
fbsize 800 600

[vertex shader passthrough]

[fragment shader]
#version 450
float checkerboard(in vec2 uv)
{
    vec2 pos = floor(uv);

hikiko

[require]
fbsize 800 600

[vertex shader passthrough]

[fragment shader]
#version 450

layout(location = 0) out vec4 out_color;

hikiko

[require]
fbsize 800 600

[vertex shader passthrough]

[fragment shader]
#version 450

layout(location = 0) out vec4 out_color;

hikiko

[require]
vulkan 1.1.3
fbsize 800 600

[vertex shader passthrough]

[fragment shader]
#version 450

#define T 0.001 //threshold

hikiko

[require]
vulkan 1.1.3

[vertex shader passthrough]

[fragment shader]
#version 430

layout(location = 0) out vec4 out_color;