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Unified Diff: third_party/go/src/golang.org/x/mobile/example/basic/main.go

Issue 1275153002: Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Remove golang.org/x/mobile Created 5 years, 4 months ago
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Index: third_party/go/src/golang.org/x/mobile/example/basic/main.go
diff --git a/third_party/go/src/golang.org/x/mobile/example/basic/main.go b/third_party/go/src/golang.org/x/mobile/example/basic/main.go
deleted file mode 100644
index e945d3609fffdef69a60a83bcf6332c83ebaf9ed..0000000000000000000000000000000000000000
--- a/third_party/go/src/golang.org/x/mobile/example/basic/main.go
+++ /dev/null
@@ -1,120 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// An app that draws a green triangle on a red background.
-package main
-
-import (
- "encoding/binary"
- "log"
-
- "golang.org/x/mobile/app"
- "golang.org/x/mobile/app/debug"
- "golang.org/x/mobile/event"
- "golang.org/x/mobile/f32"
- "golang.org/x/mobile/geom"
- "golang.org/x/mobile/gl"
- "golang.org/x/mobile/gl/glutil"
-)
-
-var (
- program gl.Program
- position gl.Attrib
- offset gl.Uniform
- color gl.Uniform
- buf gl.Buffer
-
- green float32
- touchLoc geom.Point
-)
-
-func main() {
- app.Run(app.Callbacks{
- Start: start,
- Stop: stop,
- Draw: draw,
- Touch: touch,
- })
-}
-
-func start() {
- var err error
- program, err = glutil.CreateProgram(vertexShader, fragmentShader)
- if err != nil {
- log.Printf("error creating GL program: %v", err)
- return
- }
-
- buf = gl.GenBuffer()
- gl.BindBuffer(gl.ARRAY_BUFFER, buf)
- gl.BufferData(gl.ARRAY_BUFFER, gl.STATIC_DRAW, triangleData)
-
- position = gl.GetAttribLocation(program, "position")
- color = gl.GetUniformLocation(program, "color")
- offset = gl.GetUniformLocation(program, "offset")
- touchLoc = geom.Point{geom.Width / 2, geom.Height / 2}
-
- // TODO(crawshaw): the debug package needs to put GL state init here
-}
-
-func stop() {
- gl.DeleteProgram(program)
- gl.DeleteBuffer(buf)
-}
-
-func touch(t event.Touch) {
- touchLoc = t.Loc
-}
-
-func draw() {
- gl.ClearColor(1, 0, 0, 1)
- gl.Clear(gl.COLOR_BUFFER_BIT)
-
- gl.UseProgram(program)
-
- green += 0.01
- if green > 1 {
- green = 0
- }
- gl.Uniform4f(color, 0, green, 0, 1)
-
- gl.Uniform2f(offset, float32(touchLoc.X/geom.Width), float32(touchLoc.Y/geom.Height))
-
- gl.BindBuffer(gl.ARRAY_BUFFER, buf)
- gl.EnableVertexAttribArray(position)
- gl.VertexAttribPointer(position, coordsPerVertex, gl.FLOAT, false, 0, 0)
- gl.DrawArrays(gl.TRIANGLES, 0, vertexCount)
- gl.DisableVertexAttribArray(position)
-
- debug.DrawFPS()
-}
-
-var triangleData = f32.Bytes(binary.LittleEndian,
- 0.0, 0.4, 0.0, // top left
- 0.0, 0.0, 0.0, // bottom left
- 0.4, 0.0, 0.0, // bottom right
-)
-
-const (
- coordsPerVertex = 3
- vertexCount = 3
-)
-
-const vertexShader = `#version 100
-uniform vec2 offset;
-
-attribute vec4 position;
-void main() {
- // offset comes in with x/y values between 0 and 1.
- // position bounds are -1 to 1.
- vec4 offset4 = vec4(2.0*offset.x-1.0, 1.0-2.0*offset.y, 0, 0);
- gl_Position = position + offset4;
-}`
-
-const fragmentShader = `#version 100
-precision mediump float;
-uniform vec4 color;
-void main() {
- gl_FragColor = color;
-}`

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