func LoadTexture2D(filename string) {
surface := loadSdlSurface(filename)
defer surface.Free()
W, H := int(surface.W), int(surface.H)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, W, H, 0, gl.RGBA, gl.UNSIGNED_BYTE, surface.Pixels())
}
func (this *FrameBuffer) Resize(width, height int) {
//this.Framebuffer.Bind()
// this.RenderTexture := gl.GenTexture()
this.RenderTexture.Bind(gl.TEXTURE_RECTANGLE)
gl.TexImage2D(gl.TEXTURE_RECTANGLE, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
this.RenderTexture.Unbind(gl.TEXTURE_RECTANGLE)
// depthStencilTexture := gl.GenTexture()
this.DepthTexture.Bind(gl.TEXTURE_RECTANGLE)
gl.TexImage2D(gl.TEXTURE_RECTANGLE, 0, gl.DEPTH24_STENCIL8, width, height, 0, gl.DEPTH_STENCIL, gl.UNSIGNED_INT_24_8, nil)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_WRAP_S, gl.CLAMP)
gl.TexParameteri(gl.TEXTURE_RECTANGLE, gl.TEXTURE_WRAP_T, gl.CLAMP)
this.DepthTexture.Unbind(gl.TEXTURE_RECTANGLE)
}
func LoadTextureCube(filename string) {
surface := loadSdlSurface(filename)
defer surface.Free()
W := surface.W / 4
H := surface.H / 3
top_rect := sdl.Rect{W, 0 * H, W, H}
bottom_rect := sdl.Rect{W, 2 * H, W, H}
left_rect := sdl.Rect{0 * W, H, W, H}
front_rect := sdl.Rect{1 * W, H, W, H}
right_rect := sdl.Rect{2 * W, H, W, H}
back_rect := sdl.Rect{3 * W, H, W, H}
bounds := sdl.Rect{0, 0, W, H}
imageData, _ := sdl.CreateRGBSurface(0, W, H, 32, surface.Format.Rmask, surface.Format.Gmask, surface.Format.Bmask, surface.Format.Amask)
surface.Blit(&top_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Y, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
surface.Blit(&bottom_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
surface.Blit(&left_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_X, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
surface.Blit(&right_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
surface.Blit(&back_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
surface.Blit(&front_rect, imageData, &bounds)
gl.TexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Z, 0, gl.RGBA, int(W), int(H), 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData.Pixels())
}
func NewTextureEmpty(width int, height int, model color.Model) *Texture {
internalFormat, typ, format, target, e := ColorModelToGLTypes(model)
if e != nil {
return nil
}
a := gl.GenTexture()
a.Bind(target)
gl.TexImage2D(target, 0, internalFormat, width, height, 0, typ, format, nil)
t := &Texture{a, false, nil, format, typ, internalFormat, target, width, height}
t.SetWraping(WrapS, ClampToEdge)
t.SetWraping(WrapT, ClampToEdge)
t.SetFiltering(Nearest, Nearest)
ResourceManager.Add(t)
return t
}
func NewTexture2(data interface{}, width int, height int, target gl.GLenum, internalFormat int, typ gl.GLenum, format gl.GLenum) *Texture {
a := gl.GenTexture()
a.Bind(target)
gl.TexImage2D(target, 0, internalFormat, width, height, 0, typ, format, data)
t := &Texture{a, false, data, format, typ, internalFormat, target, width, height}
t.SetWraping(WrapS, ClampToEdge)
t.SetWraping(WrapT, ClampToEdge)
t.SetFiltering(Nearest, Nearest)
//ansi := []float32{0}
//gl.GetFloatv(gl.MAX_TEXTURE_MAX_ANISOTROPY_EXT, ansi)
//gl.TexParameterf(target, gl.TEXTURE_MAX_ANISOTROPY_EXT, ansi[0])
t.PreloadRender() //Forcing texture to go to VRAM and prevent shuttering
t.data = nil
data = nil
ResourceManager.Add(t)
return t
}
func NewTextures(heightMap *gamestate.HeightMap) *Textures {
textures := make([]gl.Texture, 10)
gl.GenTextures(textures)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureGround)
textures[1].Bind(gl.TEXTURE_2D)
helpers.LoadTexture2DWatched("textures/GravelCobbleS.jpg")
gl.GenerateMipmap(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_R, gl.REPEAT)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureCliffs)
textures[2].Bind(gl.TEXTURE_2D)
helpers.LoadTexture2DWatched("textures/Cliffs0149_18_S.png")
gl.GenerateMipmap(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_R, gl.REPEAT)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureColorBand)
textures[3].Bind(gl.TEXTURE_1D)
helpers.LoadTexture1DWatched("textures/gradient.png")
gl.TexParameteri(gl.TEXTURE_1D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_1D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureHeightMap)
textures[4].Bind(gl.TEXTURE_2D)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.R16, heightMap.W, heightMap.H, 0, gl.RED, gl.FLOAT, heightMap.TexturePixels())
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureTree)
textures[5].Bind(gl.TEXTURE_2D)
helpers.LoadTexture2DWatched("textures/palme.png")
gl.GenerateMipmap(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureFireBall)
textures[6].Bind(gl.TEXTURE_2D)
helpers.LoadTexture2DWatched("textures/fireball.png")
gl.GenerateMipmap(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureSkybox)
textures[7].Bind(gl.TEXTURE_CUBE_MAP)
helpers.LoadTextureCubeWatched("textures/Above_The_Sea.jpg")
gl.GenerateMipmap(gl.TEXTURE_CUBE_MAP)
gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
//gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.Enable(gl.TEXTURE_CUBE_MAP_SEAMLESS)
ttf.Init()
defer ttf.Quit()
font, _ := ttf.OpenFont("fonts/Symbola.ttf", 64)
color := sdl.Color{255, 255, 255, 255}
surface, _ := font.RenderUTF8_Blended("Bla", color)
defer surface.Free()
gl.ActiveTexture(gl.TEXTURE0 + constants.TextureFont)
textures[8].Bind(gl.TEXTURE_2D)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int(surface.W), int(surface.H), 0, gl.RGBA, gl.UNSIGNED_BYTE, uintptr(surface.Data()))
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.ActiveTexture(gl.TEXTURE0)
return &Textures{textures}
}
func (v *Video) Render() {
for running {
select {
case buf := <-v.videoTick:
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
v.prog.Use()
gl.ActiveTexture(gl.TEXTURE0)
v.texture.Bind(gl.TEXTURE_2D)
gl.TexImage2D(gl.TEXTURE_2D, 0, 3, 240, 224, 0, gl.RGBA,
gl.UNSIGNED_INT_8_8_8_8, buf)
gl.DrawArrays(gl.TRIANGLES, 0, 6)
if v.screen != nil {
sdl.GL_SwapBuffers()
v.fpsmanager.FramerateDelay()
}
case ev := <-sdl.Events:
switch e := ev.(type) {
case sdl.ResizeEvent:
v.ResizeEvent(int(e.W), int(e.H))
case sdl.QuitEvent:
os.Exit(0)
case sdl.KeyboardEvent:
switch e.Keysym.Sym {
case sdl.K_ESCAPE:
running = false
case sdl.K_r:
// Trigger reset interrupt
if e.Type == sdl.KEYDOWN {
// cpu.RequestInterrupt(InterruptReset)
}
case sdl.K_l:
if e.Type == sdl.KEYDOWN {
nes.LoadGameState()
}
case sdl.K_s:
if e.Type == sdl.KEYDOWN {
nes.SaveGameState()
}
case sdl.K_i:
if e.Type == sdl.KEYDOWN {
nes.AudioEnabled = !nes.AudioEnabled
}
case sdl.K_p:
if e.Type == sdl.KEYDOWN {
nes.TogglePause()
}
case sdl.K_d:
if e.Type == sdl.KEYDOWN {
jsHandler.ReloadFile(debugfile)
}
case sdl.K_m:
if e.Type == sdl.KEYDOWN {
nes.Handler.Handle("debug-mode")
}
case sdl.K_BACKSLASH:
if e.Type == sdl.KEYDOWN {
nes.Pause()
nes.StepFrame()
}
case sdl.K_1:
if e.Type == sdl.KEYDOWN {
v.ResizeEvent(256, 240)
}
case sdl.K_2:
if e.Type == sdl.KEYDOWN {
v.ResizeEvent(512, 480)
}
case sdl.K_3:
if e.Type == sdl.KEYDOWN {
v.ResizeEvent(768, 720)
}
case sdl.K_4:
if e.Type == sdl.KEYDOWN {
v.ResizeEvent(1024, 960)
}
}
switch e.Type {
case sdl.KEYDOWN:
nes.Pads[0].KeyDown(e, 0)
case sdl.KEYUP:
nes.Pads[0].KeyUp(e, 0)
}
}
}
}
}
