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")
}
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.......")
}
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
}