gg: make the Sokol based gg the default
Alexander Medvednikov
parent
dd7ebf7fac
commit
6b6c9d6738
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@ -108,10 +108,10 @@ jobs:
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run: ./v build-examples
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# - name: Test vsh
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# run: ./v examples/v_script.vsh
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## - name: Test vid
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## run: |
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## git clone --depth 1 https://github.com/vlang/vid.git
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## cd vid && ../v -o vid .
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- name: Test vid
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run: |
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git clone --depth 1 https://github.com/vlang/vid
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cd vid && ../v -o vid .
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- name: Build V UI examples
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run: |
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git clone --depth 1 https://github.com/vlang/ui
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@ -1,6 +1,6 @@
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module main
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import gg2 as gg
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import gg
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import gx
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import os
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@ -1,10 +1,9 @@
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module main
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import gg
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import freetype
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import gg.ft
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import gx
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import glfw
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import time
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import os
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const (
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win_width = 600
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@ -60,52 +59,46 @@ lines = text.split('\n')
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)
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struct Context {
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struct App {
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mut:
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gg &gg.GG
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ft &freetype.FreeType
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ft &ft.FT
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}
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fn main() {
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glfw.init_glfw()
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mut ctx := &Context{
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gg: gg.new_context(gg.Cfg {
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width: win_width
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height: win_height
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use_ortho: true // This is needed for 2D drawing
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create_window: true
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window_title: 'Empty window'
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//window_user_ptr: ctx
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})
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}
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ctx.gg.window.set_user_ptr(ctx) // TODO remove this when `window_user_ptr:` works
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gg.clear(bg_color)
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// Try to load font
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ctx.ft = freetype.new_context(gg.Cfg{
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width: win_width
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height: win_height
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use_ortho: true
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fn init_gui(mut game App){
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x := ft.new({
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font_size: 13
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scale: 2
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})
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for {
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t := time.ticks()
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gg.clear(bg_color)
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ctx.draw()
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ctx.gg.render()
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println(time.ticks()-t)
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if ctx.gg.window.should_close() {
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ctx.gg.window.destroy()
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return
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}
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font_path: os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')
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}) or { panic(err) }
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game.ft = x
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}
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fn main() {
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mut app := &App{}
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app.gg = gg.new_context({
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width: win_width
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height: win_height
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use_ortho: true // This is needed for 2D drawing
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create_window: true
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window_title: 'Empty window'
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user_data: app
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bg_color: bg_color
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init_fn: init_gui
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frame_fn: frame
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//window_user_ptr: ctx
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})
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app.gg.run()
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}
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fn (mut ctx Context) draw() {
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fn frame(mut app App) {
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app.ft.flush()
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app.gg.begin()
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mut y := 10
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for line in lines {
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ctx.ft.draw_text_def(10,y, line)
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y += 15
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app.ft.draw_text_def(10,y, line)
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y += 30
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}
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app.gg.end()
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}
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@ -8,8 +8,8 @@ import os
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import rand
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import time
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import gx
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import gg2 as gg
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import gg2.ft
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import gg
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import gg.ft
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import sokol.sapp
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const (
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@ -139,7 +139,7 @@ struct Game {
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const ( fpath = os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf') )
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fn init_gui(mut game Game){
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x := ft.new({ font_path: fpath }) or {panic(err)}
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x := ft.new({ font_path: fpath, scale: 2 }) or {panic(err)}
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game.ft = x
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game.font_loaded = true
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}
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@ -184,6 +184,7 @@ fn main() {
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init_fn: init_gui
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frame_fn: frame
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event_fn: on_event
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scale: 2
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)
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game.init_game()
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go game.run() // Run the game loop in a new thread
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@ -155,6 +155,8 @@ FONS_DEF void fonsDrawDebug(FONScontext* s, float x, float y);
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#define FONS_NOTUSED(v) (void)sizeof(v)
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#define FONS_USE_FREETYPE
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#ifdef FONS_USE_FREETYPE
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#include <ft2build.h>
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@ -5,7 +5,7 @@ import gx
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import os
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const (
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default_font_size = 24
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default_font_size = 20
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)
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// TODO remove globals
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/*
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@ -18,14 +18,21 @@ __global g_font_path string
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pub struct FT {
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pub:
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fons &C.FONScontext
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font_normal int
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scale f32 = 1.0
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}
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pub struct Config {
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font_path string
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scale f32 = 1.0
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font_size int
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}
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pub fn new(c Config) ?&FT{
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if c.font_path == '' {
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// Load default font
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}
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if c.font_path == '' || !os.exists(c.font_path) {
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println('failed to load font "$c.font_path"')
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return none
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@ -38,13 +45,14 @@ pub fn new(c Config) ?&FT{
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return &FT{
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fons : fons
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font_normal: C.fonsAddFontMem(fons, 'sans', bytes.data, bytes.len, false)
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scale: c.scale
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}
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}
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pub fn (ft &FT) draw_text(x, y int, text string, cfg gx.TextCfg) {
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ft.fons.set_font(ft.font_normal)
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ft.fons.set_size(2*f32(cfg.size)) // TODO: is this 2* needed?
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ft.fons.set_size(2.0 * ft.scale * f32(cfg.size))
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C.fonsSetAlign(ft.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
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color := C.sfons_rgba(cfg.color.r, cfg.color.g, cfg.color.b, 255)
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C.fonsSetColor(ft.fons, color)
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657
vlib/gg/gg.v
657
vlib/gg/gg.v
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@ -1,553 +1,210 @@
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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module gg
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import stbi
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import glm
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import gl
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import gx
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import os
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import glfw
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import sokol
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import sokol.sapp
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import sokol.sgl
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import sokol.gfx
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pub struct Vec2 {
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type FNvoidptr1 fn(voidptr)
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type FNvoidptr2 fn(voidptr,voidptr)
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type FNFail fn(string,voidptr)
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pub struct Config {
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pub:
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x int
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y int
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}
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pub fn (v Vec2) str() string {
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return 'Vec2{ x: $v.x y: $v.y }'
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}
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pub fn vec2(x, y int) Vec2 {
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res := Vec2 {
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x: x
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y: y
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}
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return res
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}
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pub fn init_gg() {
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glfw.init_glfw()
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gl.init_glad()
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}
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pub struct Cfg {
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pub:
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width int
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height int
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use_ortho bool
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retina bool
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resizable bool
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decorated bool = true
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font_size int
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font_path string
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width int
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height int
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use_ortho bool
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retina bool
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resizable bool
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user_data voidptr
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font_size int
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create_window bool
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window_user_ptr voidptr
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window_title string
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// window_user_ptr voidptr
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window_title string
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always_on_top bool
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scale int
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scale f32 = 1.0
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bg_color gx.Color
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init_fn FNvoidptr1 = voidptr(0)
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frame_fn FNvoidptr1 = voidptr(0)
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event_fn FNvoidptr2 = voidptr(0)
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cleanup_fn FNvoidptr1 = voidptr(0)
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fail_fn FNFail = voidptr(0)
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wait_events bool = false // set this to true for UIs, to save power
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}
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pub type RenderFn fn()
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pub struct GG {
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shader gl.Shader
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// use_ortho bool
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vao u32
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rect_vao u32
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rect_vbo u32
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line_vao u32
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line_vbo u32
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vbo u32
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scale int // retina = 2 , normal = 1
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//pub:
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scale f32 = 1.0// retina = 2 , normal = 1
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pub mut:
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width int
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height int
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window &glfw.Window
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render_fn RenderFn
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width int
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height int
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clear_pass C.sg_pass_action
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window C.sapp_desc
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config Config
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}
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fn gg_init_sokol_window(user_data voidptr) {
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mut g := &GG(user_data)
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desc := C.sg_desc{
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mtl_device: sapp.metal_get_device()
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mtl_renderpass_descriptor_cb: sapp.metal_get_renderpass_descriptor
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mtl_drawable_cb: sapp.metal_get_drawable
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d3d11_device: sapp.d3d11_get_device()
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d3d11_device_context: sapp.d3d11_get_device_context()
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d3d11_render_target_view_cb: sapp.d3d11_get_render_target_view
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d3d11_depth_stencil_view_cb: sapp.d3d11_get_depth_stencil_view
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}
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gfx.setup(&desc)
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sgl_desc := C.sgl_desc_t{}
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sgl.setup(&sgl_desc)
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if g.config.init_fn != voidptr(0) {
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g.config.init_fn( g.config.user_data )
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}
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}
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// fn new_context(width, height int, use_ortho bool, font_size int) *GG {
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pub fn new_context(cfg Cfg) &GG {
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mut window := &glfw.Window(0)
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if cfg.create_window {
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if cfg.resizable {
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glfw.window_hint(C.GLFW_RESIZABLE, 1)
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} else {
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glfw.window_hint(C.GLFW_RESIZABLE, 0)
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}
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if cfg.decorated {
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glfw.window_hint(C.GLFW_DECORATED, 1)
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} else {
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glfw.window_hint(C.GLFW_DECORATED, 0)
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}
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window = glfw.create_window(glfw.WinCfg{
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title: cfg.window_title
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width: cfg.width
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height: cfg.height
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ptr: cfg.window_user_ptr
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always_on_top: cfg.always_on_top
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})
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window.make_context_current()
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init_gg()
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fn gg_frame_fn(user_data voidptr) {
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mut g := &GG(user_data)
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if g.config.frame_fn != voidptr(0) {
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g.config.frame_fn( g.config.user_data )
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}
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shader := gl.new_shader('simple')
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shader.use()
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if cfg.use_ortho {
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projection := glm.ortho(0, f32(cfg.width), f32(cfg.height), 0)
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shader.set_mat4('projection', projection)
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}
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fn gg_event_fn(e &C.sapp_event, user_data voidptr){
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mut g := &GG(user_data)
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if g.config.event_fn != voidptr(0) {
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g.config.event_fn(e, g.config.user_data)
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}
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else {
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// TODO move to function (allow volt functions to return arrays without allocations)
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// i := glm.identity3()
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shader.set_mat4('projection', glm.identity())
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}
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fn gg_cleanup_fn(user_data voidptr){
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mut g := &GG(user_data)
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if g.config.cleanup_fn != voidptr(0) {
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g.config.cleanup_fn(g.config.user_data)
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}
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vao := gl.gen_vertex_array()
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//println('new gg context VAO=$VAO')
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vbo := gl.gen_buffer()
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mut scale := 1
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if cfg.retina {
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scale = 2
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}
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fn gg_fail_fn(msg charptr, user_data voidptr){
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mut g := &GG(user_data)
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vmsg := tos3(msg)
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if g.config.fail_fn != voidptr(0) {
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g.config.fail_fn(vmsg, g.config.user_data)
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}else{
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eprintln('gg error: $vmsg')
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}
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gl.enable(C.GL_SCISSOR_TEST)
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//gl.enable(GL_BLEND)
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//# glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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//println('new gg text context VAO=$VAO')
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//gl.bind_vao(VAO)
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//gl.bind_buffer(GL_ARRAY_BUFFER, VBO)
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//gl.enable_vertex_attrib_array(0)
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//gl.vertex_attrib_pointer(0, 4, GL_FLOAT, false, 4, 0)
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todo_remove_me(cfg, scale)
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return &GG {
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shader: shader
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}
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//
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pub fn new_context(cfg Config) &GG {
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mut g := &GG{
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width: cfg.width
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height: cfg.height
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vao: vao
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vbo: vbo
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window: window
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// /line_vao: gl.gen_vertex_array()
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// /line_vbo: gl.gen_buffer()
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//text_ctx: new_context_text(cfg, scale),
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scale: scale
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// use_ortho: use_ortho
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clear_pass: gfx.create_clear_pass( f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
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f32(cfg.bg_color.b) / 255.0, 1.0)
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scale: cfg.scale //sapp.dpi_scale()// cfg.scale
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config: cfg
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}
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// ctx.init_rect_vao()
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//return ctx
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}
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/*
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pub fn (gg &GG) render_loop() bool {
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for !gg.window.show_close() {
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gg.render_fn()
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gg.window.swap_buffers()
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glfw.wait_events()
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//C.printf('new_context() %p\n', cfg.user_data)
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window := C.sapp_desc{
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user_data: g
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init_userdata_cb: gg_init_sokol_window
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frame_userdata_cb: gg_frame_fn
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event_userdata_cb: gg_event_fn
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fail_userdata_cb: gg_fail_fn
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cleanup_userdata_cb: gg_cleanup_fn
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window_title: cfg.window_title.str
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html5_canvas_name: cfg.window_title.str
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width: cfg.width
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height: cfg.height
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high_dpi: cfg.scale > 1
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}
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}
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*/
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pub fn clear(color gx.Color) {
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gl.clear_color(color.r, color.g, color.b, 255)
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gl.clear()
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//b := sapp.high_dpi()
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//println('scale=$g.scale high_dpi=$b')
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if cfg.use_ortho {}
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else {}
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g.window = window
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return g
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}
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pub fn (gg &GG) render() {
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gg.window.swap_buffers()
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glfw.wait_events()
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}
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pub fn (ctx &GG) draw_triangle(x1, y1, x2, y2, x3, y3 f32, c gx.Color) {
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// println('draw_triangle $x1,$y1 $x2,$y2 $x3,$y3')
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ctx.shader.use()
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ctx.shader.set_color('color', c)
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vertices := [
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x1, y1, 0,
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x2, y2, 0,
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x3, y3, 0,
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] !
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// bind the Vertex Array Object first, then bind and set vertex buffer(s),
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// and then configure vertex attributes(s).
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gl.bind_vao(ctx.vao)
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gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
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gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
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gl.enable_vertex_attrib_array(0)
|
||||
// gl.bind_buffer(GL_ARRAY_BUFFER, uint(0))
|
||||
// You can unbind the VAO afterwards so other VAO calls won't accidentally modify this VAO,
|
||||
// but this rarely happens. Modifying other
|
||||
// VAOs requires a call to glBindVertexArray anyways so we generally don't unbind VAOs
|
||||
// (nor VBOs) when it's not directly necessary.
|
||||
// gl.bind_vertex_array(uint(0))
|
||||
// gl.bind_vertex_array(ctx.VAO)
|
||||
gl.draw_arrays(C.GL_TRIANGLES, 0, 3)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_triangle_tex(x1, y1, x2, y2, x3, y3 f32, c gx.Color) {
|
||||
ctx.shader.use()
|
||||
ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 1)
|
||||
vertices := [
|
||||
x1, y1, 0, 0, 0, 0, 1, 1,
|
||||
x2, y2, 0, 0, 0, 0, 1, 0,
|
||||
x3, y3, 0, 0, 0, 0, 0, 0,
|
||||
] !
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
// position attribute
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
// color attribute
|
||||
gl.vertex_attrib_pointer(1, 3, C.GL_FLOAT, false, 8, 3)
|
||||
gl.enable_vertex_attrib_array(1)
|
||||
// texture attribute
|
||||
gl.vertex_attrib_pointer(2, 2, C.GL_FLOAT, false, 8, 6)
|
||||
gl.enable_vertex_attrib_array(2)
|
||||
// /
|
||||
// gl.draw_arrays(GL_TRIANGLES, 0, 3)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
pub fn (gg &GG) run() {
|
||||
sapp.run(&gg.window)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_rect(x, y, w, h f32, c gx.Color) {
|
||||
// println('gg.draw_rect($x,$y,$w,$h)')
|
||||
// wrong order
|
||||
// // ctx.draw_triangle(x, y, x + w, y, x + w, y + h, c)
|
||||
// // ctx.draw_triangle(x, y, x, y + h, x + w, y + h, c)
|
||||
// good order. counter clockwise
|
||||
// ctx.draw_triangle(x, y, x, y + h, x + w, y + h, c)
|
||||
// ctx.draw_triangle(x, y, x + w, y + h, x + w, y, c)
|
||||
ctx.draw_rect2(x, y, w, h, c)
|
||||
sgl.c4b(c.r, c.g, c.b, 128)
|
||||
sgl.begin_quads()
|
||||
sgl.v2f(x * ctx.scale, y * ctx.scale)
|
||||
sgl.v2f((x + w) * ctx.scale, y * ctx.scale)
|
||||
sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale)
|
||||
sgl.v2f(x * ctx.scale, (y + h) * ctx.scale)
|
||||
sgl.end()
|
||||
}
|
||||
|
||||
// Useful for debugging meshes.
|
||||
pub fn set_mode_wireframe() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_LINE)
|
||||
}
|
||||
pub fn set_mode_point() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_POINT)
|
||||
}
|
||||
pub fn set_mode_fill() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_FILL)
|
||||
}
|
||||
|
||||
/*
|
||||
fn (mut ctx GG) init_rect_vao() {
|
||||
|
||||
ctx.rect_vao = gl.gen_vertex_array()
|
||||
ctx.rect_vbo = gl.gen_buffer()
|
||||
vertices := [
|
||||
x + w, y, 0,
|
||||
x + w, y + h, 0,
|
||||
x, y + h, 0,
|
||||
x, y, 0,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
gl.bind_vao(ctx.rect_vao)
|
||||
gl.set_vbo(ctx.rect_vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
// ///////
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)
|
||||
}
|
||||
*/
|
||||
pub fn (ctx &GG) draw_rect2(x, y, w, h f32, c gx.Color) {
|
||||
C.glDeleteBuffers(1, &ctx.vao)
|
||||
C.glDeleteBuffers(1, &ctx.vbo)
|
||||
ctx.shader.use()
|
||||
ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 0)
|
||||
// 4--1
|
||||
// 3--2
|
||||
$if linux {
|
||||
// y += h
|
||||
}
|
||||
vertices := [
|
||||
x + w, y, 0,
|
||||
x + w, y + h, 0,
|
||||
x, y + h, 0,
|
||||
x, y, 0,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
// ///////
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)// !!! LEAKS
|
||||
// /////
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
// gl.bind_vao(ctx.rect_vao)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
C.glDeleteBuffers(1, &ebo)
|
||||
}
|
||||
|
||||
fn todo_remove_me(cfg Cfg, scale int) {
|
||||
// Can only have text in ortho mode
|
||||
if !cfg.use_ortho {
|
||||
return
|
||||
}
|
||||
width := cfg.width * scale
|
||||
height := cfg.height * scale
|
||||
//font_size := cfg.font_size * scale
|
||||
gl.enable(C.GL_BLEND)
|
||||
//# glBlendFunc(C.GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||||
shader := gl.new_shader('text')
|
||||
shader.use()
|
||||
projection := glm.ortho(0, f32(width), 0, f32(height))// 0 at BOT
|
||||
// projection_new := ortho(0, width, 0, height)// 0 at BOT
|
||||
// projection := gl.ortho(0, width,height,0) // 0 at TOP
|
||||
shader.set_mat4('projection', projection)
|
||||
vao := gl.gen_vertex_array()
|
||||
//println('new gg text context VAO=$VAO')
|
||||
vbo := gl.gen_buffer()
|
||||
gl.bind_vao(vao)
|
||||
gl.bind_buffer(C.GL_ARRAY_BUFFER, vbo)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
gl.vertex_attrib_pointer(0, 4, C.GL_FLOAT, false, 4, 0)
|
||||
}
|
||||
|
||||
fn update() {
|
||||
// # ui__post_empty_event();
|
||||
}
|
||||
|
||||
pub fn post_empty_event() {
|
||||
glfw.post_empty_event()
|
||||
}
|
||||
|
||||
pub fn (c GG) circle(x, y, r int) {
|
||||
}
|
||||
|
||||
fn (c GG) fill_color(color gx.Color) {
|
||||
}
|
||||
|
||||
fn (c GG) fill() {
|
||||
}
|
||||
|
||||
fn (c GG) move_to(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) line_to(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke_width(size int) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke_color(color gx.Color) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke() {
|
||||
}
|
||||
|
||||
fn (c GG) save() {
|
||||
}
|
||||
|
||||
fn (c GG) restore() {
|
||||
}
|
||||
|
||||
fn (c GG) intersect_scissor(x, y, w, h int) {
|
||||
}
|
||||
|
||||
fn (c GG) translate(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) create_font(name, file string) int {
|
||||
return 0
|
||||
}
|
||||
|
||||
fn (c GG) text(x, y int, text string) {
|
||||
}
|
||||
|
||||
fn (c GG) text_box(x, y, max int, text string) {
|
||||
}
|
||||
|
||||
fn (c GG) font_face(f string) {
|
||||
}
|
||||
|
||||
fn (c GG) font_size(size int) {
|
||||
}
|
||||
|
||||
fn (c GG) text_align(a int) {
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) create_image(file string) u32 {
|
||||
return create_image(file)
|
||||
pub fn (gg &GG) draw_empty_rect(x, y, w, h f32, c gx.Color) {
|
||||
sgl.c4b(c.r, c.g, c.b, 128)
|
||||
sgl.begin_line_strip()
|
||||
sgl.v2f(x, y)
|
||||
sgl.v2f(x + w, y)
|
||||
sgl.v2f(x + w, y + h)
|
||||
sgl.v2f(x, y + h)
|
||||
sgl.v2f(x, y)
|
||||
sgl.end()
|
||||
}
|
||||
|
||||
pub fn create_image(file string) u32 {
|
||||
//println('gg create image "$file"')
|
||||
if file.contains('twitch') {
|
||||
return u32(0)// TODO
|
||||
}
|
||||
// println('gg create image "$file"')
|
||||
if !os.exists(file) {
|
||||
println('gg create image no such file "$file"')
|
||||
return u32(0)
|
||||
}
|
||||
texture := gl.gen_texture()
|
||||
img := stbi.load(file)
|
||||
gl.bind_2d_texture(texture)
|
||||
img.tex_image_2d()
|
||||
gl.generate_mipmap(C.GL_TEXTURE_2D)
|
||||
img.free()
|
||||
return texture
|
||||
// img := stbi.load(file)
|
||||
// img.free()
|
||||
return 0 // texture
|
||||
}
|
||||
|
||||
pub fn create_image_from_memory(buf byteptr) u32 {
|
||||
texture := gl.gen_texture()
|
||||
img := stbi.load_from_memory(buf)
|
||||
// TODO copy pasta
|
||||
gl.bind_2d_texture(texture)
|
||||
img.tex_image_2d()
|
||||
gl.generate_mipmap(C.GL_TEXTURE_2D)
|
||||
img.free()
|
||||
return texture
|
||||
// texture := gl.gen_texture()
|
||||
// img := stbi.load_from_memory(buf)
|
||||
// img.free()
|
||||
return 0 // texture
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_line(x, y, x2, y2 f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
vertices := [x, y, x2, y2] !
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINES, 0, 2)
|
||||
pub fn (gg &GG) begin() {
|
||||
sgl.defaults()
|
||||
sgl.matrix_mode_projection()
|
||||
sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_arc(x, y, r, start_angle, end_angle f32, segments int, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
vertices := arc_vertices(x, y, r, start_angle, end_angle, segments)
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINE_STRIP, 0, segments + 1)
|
||||
unsafe { vertices.free() }
|
||||
pub fn (gg &GG) end() {
|
||||
gfx.begin_default_pass(gg.clear_pass, sapp.width(), sapp.height())
|
||||
sgl.draw()
|
||||
gfx.end_pass()
|
||||
gfx.commit()
|
||||
if gg.config.wait_events {
|
||||
wait_events()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_filled_arc(x, y, r, start_angle, end_angle f32, segments int, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
pub fn (ctx &GG) draw_line(x, y, x2, y2 f32, color gx.Color) {}
|
||||
|
||||
fn C.WaitMessage()
|
||||
|
||||
mut vertices := []f32{}
|
||||
vertices << [x, y] !
|
||||
vertices << arc_vertices(x, y, r, start_angle, end_angle, segments)
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_TRIANGLE_FAN, 0, segments + 2)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_circle(x, y, r f32, color gx.Color) {
|
||||
ctx.draw_filled_arc(x, y, r, 0, 360, 24 + int(r / 2), color)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_rounded_rect(x, y, w, h, r f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
mut vertices := []f32{}
|
||||
segments := 6 + int(r / 8)
|
||||
|
||||
// Create a rounded rectangle using a triangle fan mesh.
|
||||
vertices << [x + (w/2.0), y + (h/2.0)] !
|
||||
vertices << arc_vertices(x + w - r, y + h - r, r, 0, 90, segments)
|
||||
vertices << arc_vertices(x + r, y + h - r, r, 90, 180, segments)
|
||||
vertices << arc_vertices(x + r, y + r, r, 180, 270, segments)
|
||||
vertices << arc_vertices(x + w - r, y + r, r, 270, 360, segments)
|
||||
// Finish the loop by going back to the first vertex
|
||||
vertices << [vertices[2], vertices[3]] !
|
||||
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_TRIANGLE_FAN, 0, segments * 4 + 6)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_empty_rounded_rect(x, y, w, h, r f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
mut vertices := []f32{}
|
||||
segments := 6 + int(r / 8)
|
||||
|
||||
vertices << arc_vertices(x + w - r, y + h - r, r, 0, 90, segments)
|
||||
vertices << arc_vertices(x + r, y + h - r, r, 90, 180, segments)
|
||||
vertices << arc_vertices(x + r, y + r, r, 180, 270, segments)
|
||||
vertices << arc_vertices(x + w - r, y + r, r, 270, 360, segments)
|
||||
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINE_STRIP, 0, segments * 4 + 1)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
/*
|
||||
pub fn (c &GG) draw_gray_line(x, y, x2, y2 f32) {
|
||||
c.draw_line(x, y, x2, y2, gx.gray)
|
||||
}
|
||||
|
||||
pub fn (c &GG) draw_vertical(x, y, height int) {
|
||||
c.draw_line(x, y, x, y + height)
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
//ctx.gg.draw_line(center + prev_x, center+prev_y, center + x*10.0, center+y)
|
||||
|
||||
// fn (ctx &GG) draw_image(x, y, w, h f32, img stbi.Image) {
|
||||
pub fn (ctx &GG) draw_image(x, y, w, h f32, tex_id u32) {
|
||||
|
||||
// NB: HACK to ensure same state ... TODO: remove next line
|
||||
ctx.draw_empty_rect(0,0,0,0, gx.white)
|
||||
|
||||
last_array_buffer := 0
|
||||
last_texture := 0
|
||||
C.glGetIntegerv(C.GL_ARRAY_BUFFER_BINDING, &last_array_buffer)
|
||||
C.glGetIntegerv(C.GL_TEXTURE_BINDING_2D, &last_texture)
|
||||
|
||||
// println('DRAW IMAGE $x $y $w $h $tex_id')
|
||||
ctx.shader.use()
|
||||
// ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 1)
|
||||
// 4--1
|
||||
// | |
|
||||
// 3--2
|
||||
vertices := [
|
||||
x + w, y, 0, 1, 0, 0, 1, 1,
|
||||
x + w, y + h, 0, 0, 1, 0, 1, 0,
|
||||
x, y + h, 0, 0, 0, 1, 0, 0,
|
||||
x, y, 0, 1, 1, 0, 0, 1,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
// VAO := gl.gen_vertex_array()
|
||||
// VBO := gl.gen_buffer()
|
||||
C.glEnable(C.GL_TEXTURE_2D)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 8, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
gl.vertex_attrib_pointer(1, 3, C.GL_FLOAT, false, 8, 3)
|
||||
gl.enable_vertex_attrib_array(1)
|
||||
gl.vertex_attrib_pointer(2, 2, C.GL_FLOAT, false, 8, 6)
|
||||
gl.enable_vertex_attrib_array(2)
|
||||
gl.bind_2d_texture(tex_id)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
C.glDisable(C.GL_TEXTURE_2D)
|
||||
// restore state
|
||||
C.glBindBuffer(C.GL_ARRAY_BUFFER, last_array_buffer)
|
||||
C. glBindTexture(C.GL_TEXTURE_2D, last_texture)
|
||||
}
|
||||
|
||||
pub fn (c &GG) draw_empty_rect(x, y, w, h f32, color gx.Color) {
|
||||
c.draw_line(x, y, x + w, y, color)
|
||||
c.draw_line(x, y, x, y + h, color)
|
||||
c.draw_line(x, y + h, x + w, y + h, color)
|
||||
c.draw_line(x + w, y, x + w, y + h, color)
|
||||
}
|
||||
|
||||
pub fn scissor(x, y, w, h f32) {
|
||||
C.glScissor(x, y, w, h)
|
||||
pub fn wait_events() {
|
||||
unsafe {
|
||||
$if macos {
|
||||
# NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny
|
||||
# untilDate:[NSDate distantFuture]
|
||||
# inMode:NSDefaultRunLoopMode
|
||||
# dequeue:YES];
|
||||
# [NSApp sendEvent:event];
|
||||
}
|
||||
$if windows {
|
||||
C.WaitMessage()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
218
vlib/gg2/gg.v
218
vlib/gg2/gg.v
|
|
@ -1,218 +0,0 @@
|
|||
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
|
||||
// Use of this source code is governed by an MIT license
|
||||
// that can be found in the LICENSE file.
|
||||
module gg2
|
||||
|
||||
import gx
|
||||
import os
|
||||
import sokol
|
||||
import sokol.sapp
|
||||
import sokol.sgl
|
||||
import sokol.gfx
|
||||
|
||||
type FNvoidptr1 fn(voidptr)
|
||||
type FNvoidptr2 fn(voidptr,voidptr)
|
||||
type FNFail fn(string,voidptr)
|
||||
|
||||
pub struct Config {
|
||||
pub:
|
||||
width int
|
||||
height int
|
||||
use_ortho bool
|
||||
retina bool
|
||||
resizable bool
|
||||
user_data voidptr
|
||||
font_size int
|
||||
create_window bool
|
||||
// window_user_ptr voidptr
|
||||
window_title string
|
||||
always_on_top bool
|
||||
scale int
|
||||
bg_color gx.Color
|
||||
init_fn FNvoidptr1 = voidptr(0)
|
||||
frame_fn FNvoidptr1 = voidptr(0)
|
||||
event_fn FNvoidptr2 = voidptr(0)
|
||||
cleanup_fn FNvoidptr1 = voidptr(0)
|
||||
fail_fn FNFail = voidptr(0)
|
||||
wait_events bool = false // set this to true for UIs, to save power
|
||||
}
|
||||
|
||||
pub struct GG {
|
||||
scale int // retina = 2 , normal = 1
|
||||
pub mut:
|
||||
width int
|
||||
height int
|
||||
clear_pass C.sg_pass_action
|
||||
window C.sapp_desc
|
||||
config Config
|
||||
}
|
||||
|
||||
fn gg_init_sokol_window(user_data voidptr) {
|
||||
mut g := &GG(user_data)
|
||||
desc := C.sg_desc{
|
||||
mtl_device: sapp.metal_get_device()
|
||||
mtl_renderpass_descriptor_cb: sapp.metal_get_renderpass_descriptor
|
||||
mtl_drawable_cb: sapp.metal_get_drawable
|
||||
d3d11_device: sapp.d3d11_get_device()
|
||||
d3d11_device_context: sapp.d3d11_get_device_context()
|
||||
d3d11_render_target_view_cb: sapp.d3d11_get_render_target_view
|
||||
d3d11_depth_stencil_view_cb: sapp.d3d11_get_depth_stencil_view
|
||||
}
|
||||
gfx.setup(&desc)
|
||||
sgl_desc := C.sgl_desc_t{}
|
||||
sgl.setup(&sgl_desc)
|
||||
if g.config.init_fn != voidptr(0) {
|
||||
g.config.init_fn( g.config.user_data )
|
||||
}
|
||||
}
|
||||
|
||||
fn gg_frame_fn(user_data voidptr) {
|
||||
mut g := &GG(user_data)
|
||||
if g.config.frame_fn != voidptr(0) {
|
||||
g.config.frame_fn( g.config.user_data )
|
||||
}
|
||||
}
|
||||
|
||||
fn gg_event_fn(e &C.sapp_event, user_data voidptr){
|
||||
mut g := &GG(user_data)
|
||||
if g.config.event_fn != voidptr(0) {
|
||||
g.config.event_fn(e, g.config.user_data)
|
||||
}
|
||||
}
|
||||
|
||||
fn gg_cleanup_fn(user_data voidptr){
|
||||
mut g := &GG(user_data)
|
||||
if g.config.cleanup_fn != voidptr(0) {
|
||||
g.config.cleanup_fn(g.config.user_data)
|
||||
}
|
||||
}
|
||||
|
||||
fn gg_fail_fn(msg charptr, user_data voidptr){
|
||||
mut g := &GG(user_data)
|
||||
vmsg := tos3(msg)
|
||||
if g.config.fail_fn != voidptr(0) {
|
||||
g.config.fail_fn(vmsg, g.config.user_data)
|
||||
}else{
|
||||
eprintln('gg error: $vmsg')
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
|
||||
pub fn new_context(cfg Config) &GG {
|
||||
mut g := &GG{
|
||||
width: cfg.width
|
||||
height: cfg.height
|
||||
clear_pass: gfx.create_clear_pass( f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
|
||||
f32(cfg.bg_color.b) / 255.0, 1.0)
|
||||
scale: 1 // scale
|
||||
config: cfg
|
||||
}
|
||||
|
||||
//C.printf('new_context() %p\n', cfg.user_data)
|
||||
window := C.sapp_desc{
|
||||
user_data: g
|
||||
init_userdata_cb: gg_init_sokol_window
|
||||
frame_userdata_cb: gg_frame_fn
|
||||
event_userdata_cb: gg_event_fn
|
||||
fail_userdata_cb: gg_fail_fn
|
||||
cleanup_userdata_cb: gg_cleanup_fn
|
||||
window_title: cfg.window_title.str
|
||||
html5_canvas_name: cfg.window_title.str
|
||||
width: cfg.width
|
||||
height: cfg.height
|
||||
//high_dpi: true
|
||||
}
|
||||
if cfg.use_ortho {}
|
||||
else {}
|
||||
g.window = window
|
||||
return g
|
||||
}
|
||||
|
||||
pub fn (gg &GG) run() {
|
||||
sapp.run(&gg.window)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_rect(x, y, w, h f32, c gx.Color) {
|
||||
sgl.c4b(c.r, c.g, c.b, 128)
|
||||
sgl.begin_quads()
|
||||
sgl.v2f(x, y)
|
||||
sgl.v2f(x + w, y)
|
||||
sgl.v2f(x + w, y + h)
|
||||
sgl.v2f(x, y + h)
|
||||
sgl.end()
|
||||
}
|
||||
|
||||
pub fn draw_rect(x, y, w, h f32, c gx.Color) {
|
||||
sgl.c4b(c.r, c.g, c.b, 128)
|
||||
sgl.begin_quads()
|
||||
sgl.v2f(x, y)
|
||||
sgl.v2f(x + w, y)
|
||||
sgl.v2f(x + w, y + h)
|
||||
sgl.v2f(x, y + h)
|
||||
sgl.end()
|
||||
}
|
||||
|
||||
pub fn (gg &GG) draw_empty_rect(x, y, w, h f32, c gx.Color) {
|
||||
sgl.c4b(c.r, c.g, c.b, 128)
|
||||
sgl.begin_line_strip()
|
||||
sgl.v2f(x, y)
|
||||
sgl.v2f(x + w, y)
|
||||
sgl.v2f(x + w, y + h)
|
||||
sgl.v2f(x, y + h)
|
||||
sgl.v2f(x, y)
|
||||
sgl.end()
|
||||
}
|
||||
|
||||
pub fn create_image(file string) u32 {
|
||||
// println('gg create image "$file"')
|
||||
if !os.exists(file) {
|
||||
println('gg create image no such file "$file"')
|
||||
return u32(0)
|
||||
}
|
||||
// img := stbi.load(file)
|
||||
// img.free()
|
||||
return 0 // texture
|
||||
}
|
||||
|
||||
pub fn create_image_from_memory(buf byteptr) u32 {
|
||||
// texture := gl.gen_texture()
|
||||
// img := stbi.load_from_memory(buf)
|
||||
// img.free()
|
||||
return 0 // texture
|
||||
}
|
||||
|
||||
pub fn (gg &GG) begin() {
|
||||
sgl.defaults()
|
||||
sgl.matrix_mode_projection()
|
||||
sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
|
||||
}
|
||||
|
||||
pub fn (gg &GG) end() {
|
||||
gfx.begin_default_pass(gg.clear_pass, sapp.width(), sapp.height())
|
||||
sgl.draw()
|
||||
gfx.end_pass()
|
||||
gfx.commit()
|
||||
if gg.config.wait_events {
|
||||
wait_events()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_line(x, y, x2, y2 f32, color gx.Color) {}
|
||||
|
||||
fn C.WaitMessage()
|
||||
|
||||
pub fn wait_events() {
|
||||
unsafe {
|
||||
$if macos {
|
||||
# NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny
|
||||
# untilDate:[NSDate distantFuture]
|
||||
# inMode:NSDefaultRunLoopMode
|
||||
# dequeue:YES];
|
||||
# [NSApp sendEvent:event];
|
||||
}
|
||||
$if windows {
|
||||
C.WaitMessage()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,553 @@
|
|||
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
|
||||
// Use of this source code is governed by an MIT license
|
||||
// that can be found in the LICENSE file.
|
||||
|
||||
module gg
|
||||
|
||||
import stbi
|
||||
import glm
|
||||
import gl
|
||||
import gx
|
||||
import os
|
||||
import glfw
|
||||
|
||||
pub struct Vec2 {
|
||||
pub:
|
||||
x int
|
||||
y int
|
||||
}
|
||||
|
||||
pub fn (v Vec2) str() string {
|
||||
return 'Vec2{ x: $v.x y: $v.y }'
|
||||
}
|
||||
|
||||
pub fn vec2(x, y int) Vec2 {
|
||||
res := Vec2 {
|
||||
x: x
|
||||
y: y
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
pub fn init_gg() {
|
||||
glfw.init_glfw()
|
||||
gl.init_glad()
|
||||
}
|
||||
|
||||
|
||||
pub struct Cfg {
|
||||
pub:
|
||||
width int
|
||||
height int
|
||||
use_ortho bool
|
||||
retina bool
|
||||
resizable bool
|
||||
decorated bool = true
|
||||
|
||||
font_size int
|
||||
font_path string
|
||||
create_window bool
|
||||
window_user_ptr voidptr
|
||||
window_title string
|
||||
always_on_top bool
|
||||
scale int
|
||||
}
|
||||
|
||||
pub type RenderFn fn()
|
||||
pub struct GG {
|
||||
shader gl.Shader
|
||||
// use_ortho bool
|
||||
vao u32
|
||||
rect_vao u32
|
||||
rect_vbo u32
|
||||
line_vao u32
|
||||
line_vbo u32
|
||||
vbo u32
|
||||
scale int // retina = 2 , normal = 1
|
||||
//pub:
|
||||
pub mut:
|
||||
width int
|
||||
height int
|
||||
window &glfw.Window
|
||||
render_fn RenderFn
|
||||
}
|
||||
|
||||
|
||||
// fn new_context(width, height int, use_ortho bool, font_size int) *GG {
|
||||
pub fn new_context(cfg Cfg) &GG {
|
||||
mut window := &glfw.Window(0)
|
||||
if cfg.create_window {
|
||||
if cfg.resizable {
|
||||
glfw.window_hint(C.GLFW_RESIZABLE, 1)
|
||||
} else {
|
||||
glfw.window_hint(C.GLFW_RESIZABLE, 0)
|
||||
}
|
||||
if cfg.decorated {
|
||||
glfw.window_hint(C.GLFW_DECORATED, 1)
|
||||
} else {
|
||||
glfw.window_hint(C.GLFW_DECORATED, 0)
|
||||
}
|
||||
window = glfw.create_window(glfw.WinCfg{
|
||||
title: cfg.window_title
|
||||
width: cfg.width
|
||||
height: cfg.height
|
||||
ptr: cfg.window_user_ptr
|
||||
always_on_top: cfg.always_on_top
|
||||
})
|
||||
window.make_context_current()
|
||||
init_gg()
|
||||
}
|
||||
shader := gl.new_shader('simple')
|
||||
shader.use()
|
||||
if cfg.use_ortho {
|
||||
projection := glm.ortho(0, f32(cfg.width), f32(cfg.height), 0)
|
||||
shader.set_mat4('projection', projection)
|
||||
}
|
||||
else {
|
||||
// TODO move to function (allow volt functions to return arrays without allocations)
|
||||
// i := glm.identity3()
|
||||
shader.set_mat4('projection', glm.identity())
|
||||
}
|
||||
vao := gl.gen_vertex_array()
|
||||
//println('new gg context VAO=$VAO')
|
||||
vbo := gl.gen_buffer()
|
||||
mut scale := 1
|
||||
if cfg.retina {
|
||||
scale = 2
|
||||
}
|
||||
gl.enable(C.GL_SCISSOR_TEST)
|
||||
//gl.enable(GL_BLEND)
|
||||
//# glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||||
//println('new gg text context VAO=$VAO')
|
||||
//gl.bind_vao(VAO)
|
||||
//gl.bind_buffer(GL_ARRAY_BUFFER, VBO)
|
||||
//gl.enable_vertex_attrib_array(0)
|
||||
//gl.vertex_attrib_pointer(0, 4, GL_FLOAT, false, 4, 0)
|
||||
todo_remove_me(cfg, scale)
|
||||
return &GG {
|
||||
shader: shader
|
||||
width: cfg.width
|
||||
height: cfg.height
|
||||
vao: vao
|
||||
vbo: vbo
|
||||
window: window
|
||||
|
||||
// /line_vao: gl.gen_vertex_array()
|
||||
// /line_vbo: gl.gen_buffer()
|
||||
//text_ctx: new_context_text(cfg, scale),
|
||||
scale: scale
|
||||
// use_ortho: use_ortho
|
||||
}
|
||||
|
||||
// ctx.init_rect_vao()
|
||||
//return ctx
|
||||
}
|
||||
|
||||
/*
|
||||
pub fn (gg &GG) render_loop() bool {
|
||||
for !gg.window.show_close() {
|
||||
gg.render_fn()
|
||||
gg.window.swap_buffers()
|
||||
glfw.wait_events()
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
pub fn clear(color gx.Color) {
|
||||
gl.clear_color(color.r, color.g, color.b, 255)
|
||||
gl.clear()
|
||||
}
|
||||
|
||||
pub fn (gg &GG) render() {
|
||||
gg.window.swap_buffers()
|
||||
glfw.wait_events()
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_triangle(x1, y1, x2, y2, x3, y3 f32, c gx.Color) {
|
||||
// println('draw_triangle $x1,$y1 $x2,$y2 $x3,$y3')
|
||||
ctx.shader.use()
|
||||
ctx.shader.set_color('color', c)
|
||||
vertices := [
|
||||
x1, y1, 0,
|
||||
x2, y2, 0,
|
||||
x3, y3, 0,
|
||||
] !
|
||||
// bind the Vertex Array Object first, then bind and set vertex buffer(s),
|
||||
// and then configure vertex attributes(s).
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
// gl.bind_buffer(GL_ARRAY_BUFFER, uint(0))
|
||||
// You can unbind the VAO afterwards so other VAO calls won't accidentally modify this VAO,
|
||||
// but this rarely happens. Modifying other
|
||||
// VAOs requires a call to glBindVertexArray anyways so we generally don't unbind VAOs
|
||||
// (nor VBOs) when it's not directly necessary.
|
||||
// gl.bind_vertex_array(uint(0))
|
||||
// gl.bind_vertex_array(ctx.VAO)
|
||||
gl.draw_arrays(C.GL_TRIANGLES, 0, 3)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_triangle_tex(x1, y1, x2, y2, x3, y3 f32, c gx.Color) {
|
||||
ctx.shader.use()
|
||||
ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 1)
|
||||
vertices := [
|
||||
x1, y1, 0, 0, 0, 0, 1, 1,
|
||||
x2, y2, 0, 0, 0, 0, 1, 0,
|
||||
x3, y3, 0, 0, 0, 0, 0, 0,
|
||||
] !
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
// position attribute
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
// color attribute
|
||||
gl.vertex_attrib_pointer(1, 3, C.GL_FLOAT, false, 8, 3)
|
||||
gl.enable_vertex_attrib_array(1)
|
||||
// texture attribute
|
||||
gl.vertex_attrib_pointer(2, 2, C.GL_FLOAT, false, 8, 6)
|
||||
gl.enable_vertex_attrib_array(2)
|
||||
// /
|
||||
// gl.draw_arrays(GL_TRIANGLES, 0, 3)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_rect(x, y, w, h f32, c gx.Color) {
|
||||
// println('gg.draw_rect($x,$y,$w,$h)')
|
||||
// wrong order
|
||||
// // ctx.draw_triangle(x, y, x + w, y, x + w, y + h, c)
|
||||
// // ctx.draw_triangle(x, y, x, y + h, x + w, y + h, c)
|
||||
// good order. counter clockwise
|
||||
// ctx.draw_triangle(x, y, x, y + h, x + w, y + h, c)
|
||||
// ctx.draw_triangle(x, y, x + w, y + h, x + w, y, c)
|
||||
ctx.draw_rect2(x, y, w, h, c)
|
||||
}
|
||||
|
||||
// Useful for debugging meshes.
|
||||
pub fn set_mode_wireframe() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_LINE)
|
||||
}
|
||||
pub fn set_mode_point() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_POINT)
|
||||
}
|
||||
pub fn set_mode_fill() {
|
||||
C.glPolygonMode(C.GL_FRONT_AND_BACK, C.GL_FILL)
|
||||
}
|
||||
|
||||
/*
|
||||
fn (mut ctx GG) init_rect_vao() {
|
||||
|
||||
ctx.rect_vao = gl.gen_vertex_array()
|
||||
ctx.rect_vbo = gl.gen_buffer()
|
||||
vertices := [
|
||||
x + w, y, 0,
|
||||
x + w, y + h, 0,
|
||||
x, y + h, 0,
|
||||
x, y, 0,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
gl.bind_vao(ctx.rect_vao)
|
||||
gl.set_vbo(ctx.rect_vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
// ///////
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)
|
||||
}
|
||||
*/
|
||||
pub fn (ctx &GG) draw_rect2(x, y, w, h f32, c gx.Color) {
|
||||
C.glDeleteBuffers(1, &ctx.vao)
|
||||
C.glDeleteBuffers(1, &ctx.vbo)
|
||||
ctx.shader.use()
|
||||
ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 0)
|
||||
// 4--1
|
||||
// 3--2
|
||||
$if linux {
|
||||
// y += h
|
||||
}
|
||||
vertices := [
|
||||
x + w, y, 0,
|
||||
x + w, y + h, 0,
|
||||
x, y + h, 0,
|
||||
x, y, 0,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
// ///////
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)// !!! LEAKS
|
||||
// /////
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 3, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
// gl.bind_vao(ctx.rect_vao)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
C.glDeleteBuffers(1, &ebo)
|
||||
}
|
||||
|
||||
fn todo_remove_me(cfg Cfg, scale int) {
|
||||
// Can only have text in ortho mode
|
||||
if !cfg.use_ortho {
|
||||
return
|
||||
}
|
||||
width := cfg.width * scale
|
||||
height := cfg.height * scale
|
||||
//font_size := cfg.font_size * scale
|
||||
gl.enable(C.GL_BLEND)
|
||||
//# glBlendFunc(C.GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||||
shader := gl.new_shader('text')
|
||||
shader.use()
|
||||
projection := glm.ortho(0, f32(width), 0, f32(height))// 0 at BOT
|
||||
// projection_new := ortho(0, width, 0, height)// 0 at BOT
|
||||
// projection := gl.ortho(0, width,height,0) // 0 at TOP
|
||||
shader.set_mat4('projection', projection)
|
||||
vao := gl.gen_vertex_array()
|
||||
//println('new gg text context VAO=$VAO')
|
||||
vbo := gl.gen_buffer()
|
||||
gl.bind_vao(vao)
|
||||
gl.bind_buffer(C.GL_ARRAY_BUFFER, vbo)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
gl.vertex_attrib_pointer(0, 4, C.GL_FLOAT, false, 4, 0)
|
||||
}
|
||||
|
||||
fn update() {
|
||||
// # ui__post_empty_event();
|
||||
}
|
||||
|
||||
pub fn post_empty_event() {
|
||||
glfw.post_empty_event()
|
||||
}
|
||||
|
||||
pub fn (c GG) circle(x, y, r int) {
|
||||
}
|
||||
|
||||
fn (c GG) fill_color(color gx.Color) {
|
||||
}
|
||||
|
||||
fn (c GG) fill() {
|
||||
}
|
||||
|
||||
fn (c GG) move_to(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) line_to(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke_width(size int) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke_color(color gx.Color) {
|
||||
}
|
||||
|
||||
fn (c GG) stroke() {
|
||||
}
|
||||
|
||||
fn (c GG) save() {
|
||||
}
|
||||
|
||||
fn (c GG) restore() {
|
||||
}
|
||||
|
||||
fn (c GG) intersect_scissor(x, y, w, h int) {
|
||||
}
|
||||
|
||||
fn (c GG) translate(x, y int) {
|
||||
}
|
||||
|
||||
fn (c GG) create_font(name, file string) int {
|
||||
return 0
|
||||
}
|
||||
|
||||
fn (c GG) text(x, y int, text string) {
|
||||
}
|
||||
|
||||
fn (c GG) text_box(x, y, max int, text string) {
|
||||
}
|
||||
|
||||
fn (c GG) font_face(f string) {
|
||||
}
|
||||
|
||||
fn (c GG) font_size(size int) {
|
||||
}
|
||||
|
||||
fn (c GG) text_align(a int) {
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) create_image(file string) u32 {
|
||||
return create_image(file)
|
||||
}
|
||||
|
||||
pub fn create_image(file string) u32 {
|
||||
//println('gg create image "$file"')
|
||||
if file.contains('twitch') {
|
||||
return u32(0)// TODO
|
||||
}
|
||||
if !os.exists(file) {
|
||||
println('gg create image no such file "$file"')
|
||||
return u32(0)
|
||||
}
|
||||
texture := gl.gen_texture()
|
||||
img := stbi.load(file)
|
||||
gl.bind_2d_texture(texture)
|
||||
img.tex_image_2d()
|
||||
gl.generate_mipmap(C.GL_TEXTURE_2D)
|
||||
img.free()
|
||||
return texture
|
||||
}
|
||||
|
||||
pub fn create_image_from_memory(buf byteptr) u32 {
|
||||
texture := gl.gen_texture()
|
||||
img := stbi.load_from_memory(buf)
|
||||
// TODO copy pasta
|
||||
gl.bind_2d_texture(texture)
|
||||
img.tex_image_2d()
|
||||
gl.generate_mipmap(C.GL_TEXTURE_2D)
|
||||
img.free()
|
||||
return texture
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_line(x, y, x2, y2 f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
vertices := [x, y, x2, y2] !
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINES, 0, 2)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_arc(x, y, r, start_angle, end_angle f32, segments int, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
vertices := arc_vertices(x, y, r, start_angle, end_angle, segments)
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINE_STRIP, 0, segments + 1)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_filled_arc(x, y, r, start_angle, end_angle f32, segments int, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
|
||||
|
||||
mut vertices := []f32{}
|
||||
vertices << [x, y] !
|
||||
vertices << arc_vertices(x, y, r, start_angle, end_angle, segments)
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_TRIANGLE_FAN, 0, segments + 2)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_circle(x, y, r f32, color gx.Color) {
|
||||
ctx.draw_filled_arc(x, y, r, 0, 360, 24 + int(r / 2), color)
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_rounded_rect(x, y, w, h, r f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
mut vertices := []f32{}
|
||||
segments := 6 + int(r / 8)
|
||||
|
||||
// Create a rounded rectangle using a triangle fan mesh.
|
||||
vertices << [x + (w/2.0), y + (h/2.0)] !
|
||||
vertices << arc_vertices(x + w - r, y + h - r, r, 0, 90, segments)
|
||||
vertices << arc_vertices(x + r, y + h - r, r, 90, 180, segments)
|
||||
vertices << arc_vertices(x + r, y + r, r, 180, 270, segments)
|
||||
vertices << arc_vertices(x + w - r, y + r, r, 270, 360, segments)
|
||||
// Finish the loop by going back to the first vertex
|
||||
vertices << [vertices[2], vertices[3]] !
|
||||
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_TRIANGLE_FAN, 0, segments * 4 + 6)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
pub fn (ctx &GG) draw_empty_rounded_rect(x, y, w, h, r f32, color gx.Color) {
|
||||
ctx.use_color_shader(color)
|
||||
mut vertices := []f32{}
|
||||
segments := 6 + int(r / 8)
|
||||
|
||||
vertices << arc_vertices(x + w - r, y + h - r, r, 0, 90, segments)
|
||||
vertices << arc_vertices(x + r, y + h - r, r, 90, 180, segments)
|
||||
vertices << arc_vertices(x + r, y + r, r, 180, 270, segments)
|
||||
vertices << arc_vertices(x + w - r, y + r, r, 270, 360, segments)
|
||||
|
||||
ctx.bind_vertices(vertices)
|
||||
gl.draw_arrays(C.GL_LINE_STRIP, 0, segments * 4 + 1)
|
||||
unsafe { vertices.free() }
|
||||
}
|
||||
|
||||
/*
|
||||
pub fn (c &GG) draw_gray_line(x, y, x2, y2 f32) {
|
||||
c.draw_line(x, y, x2, y2, gx.gray)
|
||||
}
|
||||
|
||||
pub fn (c &GG) draw_vertical(x, y, height int) {
|
||||
c.draw_line(x, y, x, y + height)
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
//ctx.gg.draw_line(center + prev_x, center+prev_y, center + x*10.0, center+y)
|
||||
|
||||
// fn (ctx &GG) draw_image(x, y, w, h f32, img stbi.Image) {
|
||||
pub fn (ctx &GG) draw_image(x, y, w, h f32, tex_id u32) {
|
||||
|
||||
// NB: HACK to ensure same state ... TODO: remove next line
|
||||
ctx.draw_empty_rect(0,0,0,0, gx.white)
|
||||
|
||||
last_array_buffer := 0
|
||||
last_texture := 0
|
||||
C.glGetIntegerv(C.GL_ARRAY_BUFFER_BINDING, &last_array_buffer)
|
||||
C.glGetIntegerv(C.GL_TEXTURE_BINDING_2D, &last_texture)
|
||||
|
||||
// println('DRAW IMAGE $x $y $w $h $tex_id')
|
||||
ctx.shader.use()
|
||||
// ctx.shader.set_color('color', c)
|
||||
ctx.shader.set_int('has_texture', 1)
|
||||
// 4--1
|
||||
// | |
|
||||
// 3--2
|
||||
vertices := [
|
||||
x + w, y, 0, 1, 0, 0, 1, 1,
|
||||
x + w, y + h, 0, 0, 1, 0, 1, 0,
|
||||
x, y + h, 0, 0, 0, 1, 0, 0,
|
||||
x, y, 0, 1, 1, 0, 0, 1,
|
||||
] !
|
||||
indices := [
|
||||
0, 1, 3,// first triangle
|
||||
1, 2, 3// second triangle
|
||||
] !
|
||||
// VAO := gl.gen_vertex_array()
|
||||
// VBO := gl.gen_buffer()
|
||||
C.glEnable(C.GL_TEXTURE_2D)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.set_vbo(ctx.vbo, vertices, C.GL_STATIC_DRAW)
|
||||
ebo := gl.gen_buffer()
|
||||
gl.set_ebo(ebo, indices, C.GL_STATIC_DRAW)
|
||||
gl.vertex_attrib_pointer(0, 3, C.GL_FLOAT, false, 8, 0)
|
||||
gl.enable_vertex_attrib_array(0)
|
||||
gl.vertex_attrib_pointer(1, 3, C.GL_FLOAT, false, 8, 3)
|
||||
gl.enable_vertex_attrib_array(1)
|
||||
gl.vertex_attrib_pointer(2, 2, C.GL_FLOAT, false, 8, 6)
|
||||
gl.enable_vertex_attrib_array(2)
|
||||
gl.bind_2d_texture(tex_id)
|
||||
gl.bind_vao(ctx.vao)
|
||||
gl.draw_elements(C.GL_TRIANGLES, 6, C.GL_UNSIGNED_INT, 0)
|
||||
C.glDisable(C.GL_TEXTURE_2D)
|
||||
// restore state
|
||||
C.glBindBuffer(C.GL_ARRAY_BUFFER, last_array_buffer)
|
||||
C. glBindTexture(C.GL_TEXTURE_2D, last_texture)
|
||||
}
|
||||
|
||||
pub fn (c &GG) draw_empty_rect(x, y, w, h f32, color gx.Color) {
|
||||
c.draw_line(x, y, x + w, y, color)
|
||||
c.draw_line(x, y, x, y + h, color)
|
||||
c.draw_line(x, y + h, x + w, y + h, color)
|
||||
c.draw_line(x + w, y, x + w, y + h, color)
|
||||
}
|
||||
|
||||
pub fn scissor(x, y, w, h f32) {
|
||||
C.glScissor(x, y, w, h)
|
||||
}
|
||||
|
|
@ -24,6 +24,5 @@ pub const (
|
|||
|
||||
#include "ft2build.h"
|
||||
|
||||
#define FONS_USE_FREETYPE
|
||||
#define SOKOL_FONTSTASH_IMPL
|
||||
#include "util/sokol_fontstash.h"
|
||||
|
|
|
|||
Loading…
Reference in New Issue