func (video *Video) initGL() {
	log.Print("Initing")
	video.fpsmanager = gfx.NewFramerate()
	video.fpsmanager.SetFramerate(60)

	gl.ClearColor(0.0, 0.0, 0.0, 1.0)
	gl.Enable(gl.CULL_FACE)
	gl.Enable(gl.DEPTH_TEST)

	log.Print("Creating program")
	video.prog = createProgram(vertShaderSrcDef, fragShaderSrcDef)
	log.Print("Attrib loc 1")
	posAttrib := attribLocation(video.prog, "vPosition")
	log.Print("Attrib loc 2")
	texCoordAttr := attribLocation(video.prog, "vTexCoord")
	log.Print("Uniform loc 1")
	paletteLoc := uniformLocation(video.prog, "palette")
	log.Print("Uniform loc 2")
	video.textureUni = uniformLocation(video.prog, "texture")

	log.Print("Gen Texture")
	video.texture = genTexture()
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, video.texture)

	log.Print("TexParam")
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)

	gl.UseProgram(video.prog)
	gl.EnableVertexAttribArray(posAttrib)
	gl.EnableVertexAttribArray(texCoordAttr)

	gl.Uniform3iv(paletteLoc, nes.SPaletteRgb)

	log.Print("VertBO")
	vertVBO := genBuffer()
	checkGLError()
	gl.BindBuffer(gl.ARRAY_BUFFER, vertVBO)
	verts := f32.Bytes(binary.LittleEndian, -1.0, 1.0, -1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, 1.0)
	gl.BufferData(gl.ARRAY_BUFFER, verts, gl.STATIC_DRAW)

	textCoorBuf := genBuffer()
	checkGLError()
	gl.BindBuffer(gl.ARRAY_BUFFER, textCoorBuf)
	texVerts := f32.Bytes(binary.LittleEndian, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0)
	gl.BufferData(gl.ARRAY_BUFFER, texVerts, gl.STATIC_DRAW)

	gl.VertexAttribPointer(posAttrib, 2, gl.FLOAT, false, 0, 0)
	gl.VertexAttribPointer(texCoordAttr, 2, gl.FLOAT, false, 0, 0)
	log.Print("Started")
}
Exemple #2
0
func (v *Video) Init(t <-chan []uint32, n string) chan [2]int {
	v.tick = t
	v.resize = make(chan [2]int)

	if sdl.Init(sdl.INIT_VIDEO|sdl.INIT_JOYSTICK|sdl.INIT_AUDIO) != 0 {
		log.Fatal(sdl.GetError())
	}

	v.screen = sdl.SetVideoMode(512, 480, 32, sdl.OPENGL|sdl.RESIZABLE)

	if v.screen == nil {
		log.Fatal(sdl.GetError())
	}

	sdl.WM_SetCaption(fmt.Sprintf("Fergulator - %s", n), "")

	if gl.Init() != 0 {
		panic(sdl.GetError())
	}

	gl.Enable(gl.TEXTURE_2D)
	v.Reshape(int(v.screen.W), int(v.screen.H))

	v.tex = gl.GenTexture()

	v.fpsmanager = gfx.NewFramerate()
	v.fpsmanager.SetFramerate(70)

	joy = make([]*sdl.Joystick, sdl.NumJoysticks())

	for i := 0; i < sdl.NumJoysticks(); i++ {
		joy[i] = sdl.JoystickOpen(i)

		fmt.Println("-----------------")
		if joy[i] != nil {
			fmt.Printf("Joystick %d\n", i)
			fmt.Println("  Name: ", sdl.JoystickName(0))
			fmt.Println("  Number of Axes: ", joy[i].NumAxes())
			fmt.Println("  Number of Buttons: ", joy[i].NumButtons())
			fmt.Println("  Number of Balls: ", joy[i].NumBalls())
		} else {
			fmt.Println("  Couldn't open Joystick!")
		}
	}

	return v.resize
}
func (video *Video) initGL() {
	video.fpsmanager = gfx.NewFramerate()
	video.fpsmanager.SetFramerate(60)

	gl.ClearColor(0.0, 0.0, 0.0, 1.0)
	gl.Enable(gl.CULL_FACE)
	gl.Enable(gl.DEPTH_TEST)

	video.prog = createProgram(vertShaderSrcDef, fragShaderSrcDef)
	posAttrib := attribLocation(video.prog, "vPosition")
	texCoordAttr := attribLocation(video.prog, "vTexCoord")
	paletteLoc := uniformLocation(video.prog, "palette")
	video.textureUni = uniformLocation(video.prog, "texture")

	video.texture = GenTexture()
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, video.texture)

	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)

	gl.UseProgram(video.prog)
	gl.EnableVertexAttribArray(posAttrib)
	gl.EnableVertexAttribArray(texCoordAttr)

	gl.Uniform3iv(paletteLoc, len(nes.ShaderPalette), nes.ShaderPalette)
	//	gl.Uniform4iv(paletteLoc, len(PaletteRgb), PaletteRgb)

	vertVBO := GenBuffer()
	checkGLError()
	gl.BindBuffer(gl.ARRAY_BUFFER, vertVBO)
	verts := []float32{-1.0, 1.0, -1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, 1.0}
	gl.BufferData(gl.ARRAY_BUFFER, len(verts)*4, gl.Void(&verts[0]), gl.STATIC_DRAW)

	textCoorBuf := GenBuffer()
	checkGLError()
	gl.BindBuffer(gl.ARRAY_BUFFER, textCoorBuf)
	texVerts := []float32{0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0}
	gl.BufferData(gl.ARRAY_BUFFER, len(texVerts)*4, gl.Void(&texVerts[0]), gl.STATIC_DRAW)

	gl.VertexAttribPointer(posAttrib, 2, gl.FLOAT, false, 0, 0)
	gl.VertexAttribPointer(texCoordAttr, 2, gl.FLOAT, false, 0, 0)

	log.Printf("OPENGL INITIALIZED.......")

}
Exemple #4
0
func (v *Video) Init(t <-chan []uint32, n string) {
	v.videoTick = t

	if sdl.Init(sdl.INIT_VIDEO|sdl.INIT_JOYSTICK|sdl.INIT_AUDIO) != 0 {
		log.Fatal(sdl.GetError())
	}

	v.screen = sdl.SetVideoMode(512, 480, 32,
		sdl.OPENGL|sdl.RESIZABLE|sdl.GL_DOUBLEBUFFER)
	if v.screen == nil {
		log.Fatal(sdl.GetError())
	}

	sdl.WM_SetCaption(fmt.Sprintf("Fergulator - %s", n), "")

	v.initGL()
	v.Reshape(int(v.screen.W), int(v.screen.H))

	v.fpsmanager = gfx.NewFramerate()
	v.fpsmanager.SetFramerate(60)

	return
}